diff --git a/public/resources/mapbox-gl.css b/public/resources/mapbox-gl.css
index 7f1cb3e..797956c 100644
--- a/public/resources/mapbox-gl.css
+++ b/public/resources/mapbox-gl.css
@@ -21,13 +21,13 @@
 .mapboxgl-ctrl-top-left,
 .mapboxgl-ctrl-top-right,
 .mapboxgl-ctrl-bottom-left,
-.mapboxgl-ctrl-bottom-right  { position:absolute; }
+.mapboxgl-ctrl-bottom-right  { position:absolute; pointer-events:none; z-index:2; }
 .mapboxgl-ctrl-top-left      { top:0; left:0; }
 .mapboxgl-ctrl-top-right     { top:0; right:0; }
 .mapboxgl-ctrl-bottom-left   { bottom:0; left:0; }
 .mapboxgl-ctrl-bottom-right  { right:0; bottom:0; }
 
-.mapboxgl-ctrl { clear:both; }
+.mapboxgl-ctrl { clear:both; pointer-events:auto }
 .mapboxgl-ctrl-top-left .mapboxgl-ctrl { margin:10px 0 0 10px; float:left; }
 .mapboxgl-ctrl-top-right .mapboxgl-ctrl{ margin:10px 10px 0 0; float:right; }
 .mapboxgl-ctrl-bottom-left .mapboxgl-ctrl { margin:0 0 10px 10px; float:left; }
@@ -65,7 +65,7 @@
     background-color: rgba(0,0,0,0.05);
 }
 .mapboxgl-ctrl-icon,
-.mapboxgl-ctrl-icon > div.arrow {
+.mapboxgl-ctrl-icon > span.arrow {
     speak: none;
     -webkit-font-smoothing: antialiased;
     -moz-osx-font-smoothing: grayscale;
@@ -80,15 +80,16 @@
 }
 .mapboxgl-ctrl-icon.mapboxgl-ctrl-geolocate  {
     padding: 5px;
-    background-image: url("data:image/svg+xml;charset=utf8,%3Csvg%20viewBox%3D%270%200%2020%2020%27%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%3E%3Cpath%20style%3D%27fill%3A%23333333%3B%27%20d%3D%27M13%2C7%20L10.5%2C11.75%20L10.25%2C10%20z%20M13.888%2C6.112%20C13.615%2C5.84%2013.382%2C6.076%2012.5%2C6.5%20C10.14%2C7.634%206%2C10%206%2C10%20L9.5%2C10.5%20L10%2C14%20C10%2C14%2012.366%2C9.86%2013.5%2C7.5%20C13.924%2C6.617%2014.16%2C6.385%2013.888%2C6.112%27%2F%3E%3C%2Fsvg%3E");
+    background-image: url("data:image/svg+xml;base64,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");
 }
 
-.mapboxgl-ctrl-icon.mapboxgl-ctrl-compass > div.arrow {
+.mapboxgl-ctrl-icon.mapboxgl-ctrl-compass > span.arrow {
     width: 20px;
     height: 20px;
     margin: 5px;
     background-image: url("data:image/svg+xml;charset=utf8,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20viewBox%3D%270%200%2020%2020%27%3E%0A%09%3Cpolygon%20fill%3D%27%23333333%27%20points%3D%276%2C9%2010%2C1%2014%2C9%27%2F%3E%0A%09%3Cpolygon%20fill%3D%27%23CCCCCC%27%20points%3D%276%2C11%2010%2C19%2014%2C11%20%27%2F%3E%0A%3C%2Fsvg%3E");
     background-repeat: no-repeat;
+    display: inline-block;
 }
 
 .mapboxgl-ctrl.mapboxgl-ctrl-attrib {
@@ -109,6 +110,16 @@
     margin-left: 2px;
 }
 
+.mapboxgl-ctrl-scale {
+    background-color: rgba(255,255,255,0.75);
+    font-size: 10px;
+    border-width: medium 2px 2px;
+    border-style: none solid solid;
+    border-color: #333;
+    padding: 0 5px;
+    color: #333;
+}
+
 .mapboxgl-popup {
     position: absolute;
     top: 0;
diff --git a/public/resources/mapbox-gl.js b/public/resources/mapbox-gl.js
index 9fd4bf3..b15da5f 100644
--- a/public/resources/mapbox-gl.js
+++ b/public/resources/mapbox-gl.js
@@ -1,406 +1,440 @@
 (function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.mapboxgl = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
-"use strict";function Bucket(e){if(this.zoom=e.zoom,this.overscaling=e.overscaling,this.layer=e.layer,this.childLayers=e.childLayers,this.type=this.layer.type,this.features=[],this.id=this.layer.id,this.index=e.index,this.sourceLayer=this.layer.sourceLayer,this.sourceLayerIndex=e.sourceLayerIndex,this.minZoom=this.layer.minzoom,this.maxZoom=this.layer.maxzoom,this.paintAttributes=createPaintAttributes(this),e.arrays){var t=this.childLayers;this.bufferGroups=util.mapObject(e.arrays,function(r,a){return r.map(function(r){var i=util.mapObject(r,function(t,r){return util.mapObject(t,function(t,i){var n=e.arrayTypes[a][r][i],o=n.members.length&&"vertices"===n.members[0].name?Buffer.BufferType.ELEMENT:Buffer.BufferType.VERTEX;return new Buffer(t,n,o)})});i.vaos={},i.layout.element2&&(i.secondVaos={});for(var n=0;n<t.length;n++){var o=t[n].id;i.vaos[o]=new VertexArrayObject,i.layout.element2&&(i.secondVaos[o]=new VertexArrayObject)}return i})})}}function createElementBufferType(e){return new StructArrayType({members:[{type:Buffer.ELEMENT_ATTRIBUTE_TYPE,name:"vertices",components:e||3}]})}function createPaintAttributes(e){var t={};for(var r in e.programInterfaces){for(var a=t[r]={},i=0;i<e.childLayers.length;i++){var n=e.childLayers[i];a[n.id]={attributes:[],uniforms:[],defines:[],vertexPragmas:{define:{},initialize:{}},fragmentPragmas:{define:{},initialize:{}}}}var o=e.programInterfaces[r];if(o.paintAttributes)for(var u="{precision}",s="{type}",l=0;l<o.paintAttributes.length;l++){var f=o.paintAttributes[l];f.multiplier=f.multiplier||1;for(var c=0;c<e.childLayers.length;c++){var m,p=e.childLayers[c],y=a[p.id],h=f.name,v=f.name.slice(2);if(y.fragmentPragmas.initialize[v]="",p.isPaintValueFeatureConstant(f.paintProperty))y.uniforms.push(f),y.fragmentPragmas.define[v]=y.vertexPragmas.define[v]=["uniform",u,s,h].join(" ")+";",y.fragmentPragmas.initialize[v]=y.vertexPragmas.initialize[v]=[u,s,v,"=",h].join(" ")+";\n";else if(p.isPaintValueZoomConstant(f.paintProperty)){y.attributes.push(util.extend({},f,{name:h})),m=["varying",u,s,v].join(" ")+";\n";var g=[y.fragmentPragmas.define[v],"attribute",u,s,h].join(" ")+";\n";y.fragmentPragmas.define[v]=m,y.vertexPragmas.define[v]=m+g,y.vertexPragmas.initialize[v]=[v,"=",h,"/",f.multiplier.toFixed(1)].join(" ")+";\n"}else{for(var d="u_"+h.slice(2)+"_t",b=p.getPaintValueStopZoomLevels(f.paintProperty),T=0;T<b.length&&b[T]<e.zoom;)T++;for(var x=Math.max(0,Math.min(b.length-4,T-2)),B=[],A=0;4>A;A++)B.push(b[Math.min(x+A,b.length-1)]);m=["varying",u,s,v].join(" ")+";\n",y.vertexPragmas.define[v]=m+["uniform","lowp","float",d].join(" ")+";\n",y.fragmentPragmas.define[v]=m,y.uniforms.push(util.extend({},f,{name:d,getValue:createGetUniform(f,x),components:1}));var E=f.components;if(1===E)y.attributes.push(util.extend({},f,{getValue:createFunctionGetValue(f,B),isFunction:!0,components:4*E})),y.vertexPragmas.define[v]+=["attribute",u,"vec4",h].join(" ")+";\n",y.vertexPragmas.initialize[v]=[v,"=","evaluate_zoom_function_1("+h+", "+d+")","/",f.multiplier.toFixed(1)].join(" ")+";\n";else{for(var _=[],P=0;4>P;P++)_.push(h+P),y.attributes.push(util.extend({},f,{getValue:createFunctionGetValue(f,[B[P]]),isFunction:!0,name:h+P})),y.vertexPragmas.define[v]+=["attribute",u,s,h+P].join(" ")+";\n";y.vertexPragmas.initialize[v]=[v," = ","evaluate_zoom_function_4("+_.join(", ")+", "+d+")","/",f.multiplier.toFixed(1)].join(" ")+";\n"}}}}}return t}function createFunctionGetValue(e,t){return function(r,a,i){if(1===t.length)return e.getValue(r,util.extend({},a,{zoom:t[0]}),i);for(var n=[],o=0;o<t.length;o++){var u=t[o];n.push(e.getValue(r,util.extend({},a,{zoom:u}),i)[0])}return n}}function createGetUniform(e,t){return function(r,a){var i=r.getPaintInterpolationT(e.paintProperty,a.zoom);return[Math.max(0,Math.min(4,i-t))]}}var featureFilter=require("feature-filter"),Buffer=require("./buffer"),util=require("../util/util"),StructArrayType=require("../util/struct_array"),VertexArrayObject=require("../render/vertex_array_object");module.exports=Bucket,Bucket.create=function(e){var t={fill:require("./bucket/fill_bucket"),line:require("./bucket/line_bucket"),circle:require("./bucket/circle_bucket"),symbol:require("./bucket/symbol_bucket")};return new t[e.layer.type](e)},Bucket.EXTENT=8192,Bucket.MAX_VERTEX_ARRAY_LENGTH=Math.pow(2,16)-1,Bucket.prototype.populateBuffers=function(){this.createArrays(),this.recalculateStyleLayers();for(var e=0;e<this.features.length;e++)this.addFeature(this.features[e]);this.trimArrays()},Bucket.prototype.prepareArrayGroup=function(e,t){var r=this.arrayGroups[e],a=r.length&&r[r.length-1];if(!a||a.layout.vertex.length+t>Bucket.MAX_VERTEX_ARRAY_LENGTH){var i=this.arrayTypes[e],n=i.layout.vertex,o=i.layout.element,u=i.layout.element2;a={index:r.length,layout:{},paint:{}},a.layout.vertex=new n,o&&(a.layout.element=new o),u&&(a.layout.element2=new u);for(var s=0;s<this.childLayers.length;s++){var l=this.childLayers[s].id,f=i.paint[l];a.paint[l]=new f}r.push(a)}return a},Bucket.prototype.createArrays=function(){this.arrayGroups={},this.arrayTypes={};for(var e in this.programInterfaces){var t=this.programInterfaces[e],r=this.arrayTypes[e]={layout:{},paint:{}};if(this.arrayGroups[e]=[],t.vertexBuffer){var a=new StructArrayType({members:this.programInterfaces[e].layoutAttributes,alignment:Buffer.VERTEX_ATTRIBUTE_ALIGNMENT});r.layout.vertex=a;var i=this.paintAttributes[e];for(var n in i){var o=new StructArrayType({members:i[n].attributes,alignment:Buffer.VERTEX_ATTRIBUTE_ALIGNMENT});r.paint[n]=o}}if(t.elementBuffer){var u=createElementBufferType(t.elementBufferComponents);r.layout.element=u}if(t.elementBuffer2){var s=createElementBufferType(t.elementBuffer2Components);r.layout.element2=s}}},Bucket.prototype.destroy=function(e){for(var t in this.bufferGroups)for(var r=this.bufferGroups[t],a=0;a<r.length;a++){var i=r[a];for(var n in i.paint)i.paint[n].destroy(e);for(var o in i.layout)i.layout[o].destroy(e);for(var u in i.vaos)i.vaos[u].destroy(e);for(var s in i.secondVaos)i.secondVaos[s].destroy(e)}},Bucket.prototype.trimArrays=function(){for(var e in this.arrayGroups){var t=this.arrayGroups[e];for(var r in t.paint)t.paint[r].trim();for(var a in t.layout)t.layout[a].trim()}},Bucket.prototype.setUniforms=function(e,t,r,a,i){for(var n=this.paintAttributes[t][a.id].uniforms,o=0;o<n.length;o++){var u=n[o],s=r[u.name];e["uniform"+u.components+"fv"](s,u.getValue(a,i))}},Bucket.prototype.serialize=function(){return{layerId:this.layer.id,zoom:this.zoom,arrays:util.mapObject(this.arrayGroups,function(e){return e.map(function(e){return util.mapObject(e,function(e){return util.mapObject(e,function(e){return e.serialize()})})})}),arrayTypes:util.mapObject(this.arrayTypes,function(e){return util.mapObject(e,function(e){return util.mapObject(e,function(e){return e.serialize()})})}),childLayerIds:this.childLayers.map(function(e){return e.id})}},Bucket.prototype.createFilter=function(){this.filter||(this.filter=featureFilter(this.layer.filter))};var FAKE_ZOOM_HISTORY={lastIntegerZoom:1/0,lastIntegerZoomTime:0,lastZoom:0};Bucket.prototype.recalculateStyleLayers=function(){for(var e=0;e<this.childLayers.length;e++)this.childLayers[e].recalculate(this.zoom,FAKE_ZOOM_HISTORY)},Bucket.prototype.populatePaintArrays=function(e,t,r,a,i){for(var n=0;n<this.childLayers.length;n++)for(var o=this.childLayers[n],u=this.arrayGroups[e],s=a.index;s<u.length;s++){var l=u[s],f=l.layout.vertex.length,c=l.paint[o.id];c.resize(f);for(var m=this.paintAttributes[e][o.id].attributes,p=0;p<m.length;p++)for(var y=m[p],h=y.getValue(o,t,r),v=y.multiplier||1,g=y.components||1,d=s===a.index?i:0,b=d;f>b;b++)for(var T=c.get(b),x=0;g>x;x++){var B=g>1?y.name+x:y.name;T[B]=h[x]*v}}};
-},{"../render/vertex_array_object":28,"../util/struct_array":106,"../util/util":108,"./bucket/circle_bucket":2,"./bucket/fill_bucket":3,"./bucket/line_bucket":4,"./bucket/symbol_bucket":5,"./buffer":6,"feature-filter":123}],2:[function(require,module,exports){
-"use strict";function CircleBucket(){Bucket.apply(this,arguments)}var Bucket=require("../bucket"),util=require("../../util/util"),loadGeometry=require("../load_geometry"),EXTENT=Bucket.EXTENT;module.exports=CircleBucket,CircleBucket.prototype=util.inherit(Bucket,{}),CircleBucket.prototype.addCircleVertex=function(e,t,r,i,a){return e.emplaceBack(2*t+(i+1)/2,2*r+(a+1)/2)},CircleBucket.prototype.programInterfaces={circle:{vertexBuffer:!0,elementBuffer:!0,layoutAttributes:[{name:"a_pos",components:2,type:"Int16"}],paintAttributes:[{name:"a_color",components:4,type:"Uint8",getValue:function(e,t,r){return e.getPaintValue("circle-color",t,r)},multiplier:255,paintProperty:"circle-color"},{name:"a_radius",components:1,type:"Uint16",isLayerConstant:!1,getValue:function(e,t,r){return[e.getPaintValue("circle-radius",t,r)]},multiplier:10,paintProperty:"circle-radius"},{name:"a_blur",components:1,type:"Uint16",isLayerConstant:!1,getValue:function(e,t,r){return[e.getPaintValue("circle-blur",t,r)]},multiplier:10,paintProperty:"circle-blur"},{name:"a_opacity",components:1,type:"Uint16",isLayerConstant:!1,getValue:function(e,t,r){return[e.getPaintValue("circle-opacity",t,r)]},multiplier:255,paintProperty:"circle-opacity"}]}},CircleBucket.prototype.addFeature=function(e){for(var t={zoom:this.zoom},r=loadGeometry(e),i=this.prepareArrayGroup("circle",0),a=i.layout.vertex.length,c=0;c<r.length;c++)for(var l=0;l<r[c].length;l++){var o=r[c][l].x,n=r[c][l].y;if(!(0>o||o>=EXTENT||0>n||n>=EXTENT)){var u=this.prepareArrayGroup("circle",4),p=u.layout.vertex,s=this.addCircleVertex(p,o,n,-1,-1);this.addCircleVertex(p,o,n,1,-1),this.addCircleVertex(p,o,n,1,1),this.addCircleVertex(p,o,n,-1,1),u.layout.element.emplaceBack(s,s+1,s+2),u.layout.element.emplaceBack(s,s+3,s+2)}}this.populatePaintArrays("circle",t,e.properties,i,a)};
-},{"../../util/util":108,"../bucket":1,"../load_geometry":8}],3:[function(require,module,exports){
-"use strict";function FillBucket(){Bucket.apply(this,arguments)}var Bucket=require("../bucket"),util=require("../../util/util"),loadGeometry=require("../load_geometry"),earcut=require("earcut"),classifyRings=require("../../util/classify_rings"),EARCUT_MAX_RINGS=500;module.exports=FillBucket,FillBucket.prototype=util.inherit(Bucket,{}),FillBucket.prototype.programInterfaces={fill:{vertexBuffer:!0,elementBuffer:!0,elementBufferComponents:1,elementBuffer2:!0,elementBuffer2Components:2,layoutAttributes:[{name:"a_pos",components:2,type:"Int16"}],paintAttributes:[{name:"a_color",components:4,type:"Uint8",getValue:function(e,t,l){return e.getPaintValue("fill-color",t,l)},multiplier:255,paintProperty:"fill-color"},{name:"a_outline_color",components:4,type:"Uint8",getValue:function(e,t,l){return e.getPaintValue("fill-outline-color",t,l)},multiplier:255,paintProperty:"fill-outline-color"},{name:"a_opacity",components:1,type:"Uint8",getValue:function(e,t,l){return[e.getPaintValue("fill-opacity",t,l)]},multiplier:255,paintProperty:"fill-opacity"}]}},FillBucket.prototype.addFeature=function(e){for(var t=loadGeometry(e),l=classifyRings(t,EARCUT_MAX_RINGS),r=this.prepareArrayGroup("fill",0),o=r.layout.vertex.length,i=0;i<l.length;i++)this.addPolygon(l[i]);this.populatePaintArrays("fill",{zoom:this.zoom},e.properties,r,o)},FillBucket.prototype.addPolygon=function(e){for(var t=0,l=0;l<e.length;l++)t+=e[l].length;for(var r=this.prepareArrayGroup("fill",t),o=[],i=[],n=r.layout.vertex.length,a=0;a<e.length;a++){var u=e[a];a>0&&i.push(o.length/2);for(var p=0;p<u.length;p++){var c=u[p],f=r.layout.vertex.emplaceBack(c.x,c.y);p>=1&&r.layout.element2.emplaceBack(f-1,f),o.push(c.x),o.push(c.y)}}for(var y=earcut(o,i),s=0;s<y.length;s++)r.layout.element.emplaceBack(y[s]+n)};
-},{"../../util/classify_rings":97,"../../util/util":108,"../bucket":1,"../load_geometry":8,"earcut":122}],4:[function(require,module,exports){
-"use strict";function LineBucket(){Bucket.apply(this,arguments)}var Bucket=require("../bucket"),util=require("../../util/util"),loadGeometry=require("../load_geometry"),EXTENT=Bucket.EXTENT,EXTRUDE_SCALE=63,COS_HALF_SHARP_CORNER=Math.cos(37.5*(Math.PI/180)),SHARP_CORNER_OFFSET=15,LINE_DISTANCE_BUFFER_BITS=15,LINE_DISTANCE_SCALE=.5,MAX_LINE_DISTANCE=Math.pow(2,LINE_DISTANCE_BUFFER_BITS-1)/LINE_DISTANCE_SCALE;module.exports=LineBucket,LineBucket.prototype=util.inherit(Bucket,{}),LineBucket.prototype.addLineVertex=function(e,t,i,r,s,a,n){return e.emplaceBack(t.x<<1|r,t.y<<1|s,Math.round(EXTRUDE_SCALE*i.x)+128,Math.round(EXTRUDE_SCALE*i.y)+128,(0===a?0:0>a?-1:1)+1|(n*LINE_DISTANCE_SCALE&63)<<2,n*LINE_DISTANCE_SCALE>>6)},LineBucket.prototype.programInterfaces={line:{vertexBuffer:!0,elementBuffer:!0,layoutAttributes:[{name:"a_pos",components:2,type:"Int16"},{name:"a_data",components:4,type:"Uint8"}]}},LineBucket.prototype.addFeature=function(e){for(var t=loadGeometry(e,LINE_DISTANCE_BUFFER_BITS),i=0;i<t.length;i++)this.addLine(t[i],this.layer.layout["line-join"],this.layer.layout["line-cap"],this.layer.layout["line-miter-limit"],this.layer.layout["line-round-limit"])},LineBucket.prototype.addLine=function(e,t,i,r,s){for(var a=e.length;a>2&&e[a-1].equals(e[a-2]);)a--;if(!(e.length<2)){"bevel"===t&&(r=1.05);var n=SHARP_CORNER_OFFSET*(EXTENT/(512*this.overscaling)),d=e[0],h=e[a-1],u=d.equals(h);if(this.prepareArrayGroup("line",10*a),2!==a||!u){this.distance=0;var l,o,c,_,p,E,C,m=i,x=u?"butt":i,y=!0;this.e1=this.e2=this.e3=-1,u&&(l=e[a-2],p=d.sub(l)._unit()._perp());for(var f=0;a>f;f++)if(c=u&&f===a-1?e[1]:e[f+1],!c||!e[f].equals(c)){p&&(_=p),l&&(o=l),l=e[f],p=c?c.sub(l)._unit()._perp():_,_=_||p;var L=_.add(p)._unit(),S=L.x*p.x+L.y*p.y,v=1/S,A=COS_HALF_SHARP_CORNER>S&&o&&c;if(A&&f>0){var B=l.dist(o);if(B>2*n){var N=l.sub(l.sub(o)._mult(n/B)._round());this.distance+=N.dist(o),this.addCurrentVertex(N,this.distance,_.mult(1),0,0,!1),o=N}}var V=o&&c,I=V?t:c?m:x;if(V&&"round"===I&&(s>v?I="miter":2>=v&&(I="fakeround")),"miter"===I&&v>r&&(I="bevel"),"bevel"===I&&(v>2&&(I="flipbevel"),r>v&&(I="miter")),o&&(this.distance+=l.dist(o)),"miter"===I)L._mult(v),this.addCurrentVertex(l,this.distance,L,0,0,!1);else if("flipbevel"===I){if(v>100)L=p.clone();else{var T=_.x*p.y-_.y*p.x>0?-1:1,k=v*_.add(p).mag()/_.sub(p).mag();L._perp()._mult(k*T)}this.addCurrentVertex(l,this.distance,L,0,0,!1),this.addCurrentVertex(l,this.distance,L.mult(-1),0,0,!1)}else if("bevel"===I||"fakeround"===I){var b=_.x*p.y-_.y*p.x>0,R=-Math.sqrt(v*v-1);if(b?(C=0,E=R):(E=0,C=R),y||this.addCurrentVertex(l,this.distance,_,E,C,!1),"fakeround"===I){for(var F,D=Math.floor(8*(.5-(S-.5))),g=0;D>g;g++)F=p.mult((g+1)/(D+1))._add(_)._unit(),this.addPieSliceVertex(l,this.distance,F,b);this.addPieSliceVertex(l,this.distance,L,b);for(var M=D-1;M>=0;M--)F=_.mult((M+1)/(D+1))._add(p)._unit(),this.addPieSliceVertex(l,this.distance,F,b)}c&&this.addCurrentVertex(l,this.distance,p,-E,-C,!1)}else"butt"===I?(y||this.addCurrentVertex(l,this.distance,_,0,0,!1),c&&this.addCurrentVertex(l,this.distance,p,0,0,!1)):"square"===I?(y||(this.addCurrentVertex(l,this.distance,_,1,1,!1),this.e1=this.e2=-1),c&&this.addCurrentVertex(l,this.distance,p,-1,-1,!1)):"round"===I&&(y||(this.addCurrentVertex(l,this.distance,_,0,0,!1),this.addCurrentVertex(l,this.distance,_,1,1,!0),this.e1=this.e2=-1),c&&(this.addCurrentVertex(l,this.distance,p,-1,-1,!0),this.addCurrentVertex(l,this.distance,p,0,0,!1)));if(A&&a-1>f){var P=l.dist(c);if(P>2*n){var q=l.add(c.sub(l)._mult(n/P)._round());this.distance+=q.dist(l),this.addCurrentVertex(q,this.distance,p.mult(1),0,0,!1),l=q}}y=!1}}}},LineBucket.prototype.addCurrentVertex=function(e,t,i,r,s,a){var n,d=a?1:0,h=this.arrayGroups.line[this.arrayGroups.line.length-1].layout,u=h.vertex,l=h.element;n=i.clone(),r&&n._sub(i.perp()._mult(r)),this.e3=this.addLineVertex(u,e,n,d,0,r,t),this.e1>=0&&this.e2>=0&&l.emplaceBack(this.e1,this.e2,this.e3),this.e1=this.e2,this.e2=this.e3,n=i.mult(-1),s&&n._sub(i.perp()._mult(s)),this.e3=this.addLineVertex(u,e,n,d,1,-s,t),this.e1>=0&&this.e2>=0&&l.emplaceBack(this.e1,this.e2,this.e3),this.e1=this.e2,this.e2=this.e3,t>MAX_LINE_DISTANCE/2&&(this.distance=0,this.addCurrentVertex(e,this.distance,i,r,s,a))},LineBucket.prototype.addPieSliceVertex=function(e,t,i,r){var s=r?1:0;i=i.mult(r?-1:1);var a=this.arrayGroups.line[this.arrayGroups.line.length-1].layout,n=a.vertex,d=a.element;this.e3=this.addLineVertex(n,e,i,0,s,0,t),this.e1>=0&&this.e2>=0&&d.emplaceBack(this.e1,this.e2,this.e3),r?this.e2=this.e3:this.e1=this.e3};
-},{"../../util/util":108,"../bucket":1,"../load_geometry":8}],5:[function(require,module,exports){
-"use strict";function SymbolBucket(t){Bucket.apply(this,arguments),this.showCollisionBoxes=t.showCollisionBoxes,this.overscaling=t.overscaling,this.collisionBoxArray=t.collisionBoxArray,this.symbolQuadsArray=t.symbolQuadsArray,this.symbolInstancesArray=t.symbolInstancesArray,this.sdfIcons=t.sdfIcons,this.iconsNeedLinear=t.iconsNeedLinear,this.adjustedTextSize=t.adjustedTextSize,this.adjustedIconSize=t.adjustedIconSize,this.fontstack=t.fontstack}function addVertex(t,e,o,a,i,n,s,r,l,h,c){return t.emplaceBack(e,o,Math.round(64*a),Math.round(64*i),n/4,s/4,10*(h||0),c,10*(r||0),10*Math.min(l||25,25))}var Point=require("point-geometry"),Bucket=require("../bucket"),Anchor=require("../../symbol/anchor"),getAnchors=require("../../symbol/get_anchors"),resolveTokens=require("../../util/token"),Quads=require("../../symbol/quads"),Shaping=require("../../symbol/shaping"),resolveText=require("../../symbol/resolve_text"),mergeLines=require("../../symbol/mergelines"),clipLine=require("../../symbol/clip_line"),util=require("../../util/util"),loadGeometry=require("../load_geometry"),CollisionFeature=require("../../symbol/collision_feature"),shapeText=Shaping.shapeText,shapeIcon=Shaping.shapeIcon,getGlyphQuads=Quads.getGlyphQuads,getIconQuads=Quads.getIconQuads,EXTENT=Bucket.EXTENT;module.exports=SymbolBucket,SymbolBucket.prototype=util.inherit(Bucket,{}),SymbolBucket.prototype.serialize=function(){var t=Bucket.prototype.serialize.apply(this);return t.sdfIcons=this.sdfIcons,t.iconsNeedLinear=this.iconsNeedLinear,t.adjustedTextSize=this.adjustedTextSize,t.adjustedIconSize=this.adjustedIconSize,t.fontstack=this.fontstack,t};var programAttributes=[{name:"a_pos",components:2,type:"Int16"},{name:"a_offset",components:2,type:"Int16"},{name:"a_data1",components:4,type:"Uint8"},{name:"a_data2",components:2,type:"Uint8"}];SymbolBucket.prototype.addCollisionBoxVertex=function(t,e,o,a,i){return t.emplaceBack(e.x,e.y,Math.round(o.x),Math.round(o.y),10*a,10*i)},SymbolBucket.prototype.programInterfaces={glyph:{vertexBuffer:!0,elementBuffer:!0,layoutAttributes:programAttributes},icon:{vertexBuffer:!0,elementBuffer:!0,layoutAttributes:programAttributes},collisionBox:{vertexBuffer:!0,layoutAttributes:[{name:"a_pos",components:2,type:"Int16"},{name:"a_extrude",components:2,type:"Int16"},{name:"a_data",components:2,type:"Uint8"}]}},SymbolBucket.prototype.populateBuffers=function(t,e,o){var a={lastIntegerZoom:1/0,lastIntegerZoomTime:0,lastZoom:0};this.adjustedTextMaxSize=this.layer.getLayoutValue("text-size",{zoom:18,zoomHistory:a}),this.adjustedTextSize=this.layer.getLayoutValue("text-size",{zoom:this.zoom+1,zoomHistory:a}),this.adjustedIconMaxSize=this.layer.getLayoutValue("icon-size",{zoom:18,zoomHistory:a}),this.adjustedIconSize=this.layer.getLayoutValue("icon-size",{zoom:this.zoom+1,zoomHistory:a});var i=512*this.overscaling;this.tilePixelRatio=EXTENT/i,this.compareText={},this.iconsNeedLinear=!1,this.symbolInstancesStartIndex=this.symbolInstancesArray.length;var n=this.layer.layout,s=this.features,r=this.textFeatures,l=.5,h=.5;switch(n["text-anchor"]){case"right":case"top-right":case"bottom-right":l=1;break;case"left":case"top-left":case"bottom-left":l=0}switch(n["text-anchor"]){case"bottom":case"bottom-right":case"bottom-left":h=1;break;case"top":case"top-right":case"top-left":h=0}for(var c="right"===n["text-justify"]?1:"left"===n["text-justify"]?0:.5,x=24,d=n["text-line-height"]*x,y="line"!==n["symbol-placement"]?n["text-max-width"]*x:0,u=n["text-letter-spacing"]*x,m=[n["text-offset"][0]*x,n["text-offset"][1]*x],p=this.fontstack=n["text-font"].join(","),b=[],g=0;g<s.length;g++)b.push(loadGeometry(s[g]));if("line"===n["symbol-placement"]){var I=mergeLines(s,r,b);b=I.geometries,s=I.features,r=I.textFeatures}for(var f,S,B=0;B<s.length;B++)if(b[B]){if(f=r[B]?shapeText(r[B],e[p],y,d,l,h,c,u,m):null,n["icon-image"]){var v=resolveTokens(s[B].properties,n["icon-image"]),A=o[v];S=shapeIcon(A,n),A&&(void 0===this.sdfIcons?this.sdfIcons=A.sdf:this.sdfIcons!==A.sdf&&util.warnOnce("Style sheet warning: Cannot mix SDF and non-SDF icons in one buffer"),1!==A.pixelRatio?this.iconsNeedLinear=!0:0===n["icon-rotate"]&&this.layer.isLayoutValueFeatureConstant("icon-rotate")||(this.iconsNeedLinear=!0))}else S=null;(f||S)&&this.addFeature(b[B],f,S,s[B])}this.symbolInstancesEndIndex=this.symbolInstancesArray.length,this.placeFeatures(t,this.showCollisionBoxes),this.trimArrays()},SymbolBucket.prototype.addFeature=function(t,e,o,a){var i=this.layer.layout,n=24,s=this.adjustedTextSize/n,r=void 0!==this.adjustedTextMaxSize?this.adjustedTextMaxSize:this.adjustedTextSize,l=this.tilePixelRatio*s,h=this.tilePixelRatio*r/n,c=this.tilePixelRatio*this.adjustedIconSize,x=this.tilePixelRatio*i["symbol-spacing"],d=i["symbol-avoid-edges"],y=i["text-padding"]*this.tilePixelRatio,u=i["icon-padding"]*this.tilePixelRatio,m=i["text-max-angle"]/180*Math.PI,p="map"===i["text-rotation-alignment"]&&"line"===i["symbol-placement"],b="map"===i["icon-rotation-alignment"]&&"line"===i["symbol-placement"],g=i["text-allow-overlap"]||i["icon-allow-overlap"]||i["text-ignore-placement"]||i["icon-ignore-placement"],I="line"===i["symbol-placement"],f=x/2;I&&(t=clipLine(t,0,0,EXTENT,EXTENT));for(var S=0;S<t.length;S++){var B,v=t[S];B=I?getAnchors(v,x,m,e,o,n,h,this.overscaling,EXTENT):[new Anchor(v[0].x,v[0].y,0)];for(var A=0,k=B.length;k>A;A++){var T=B[A];if(!(e&&I&&this.anchorIsTooClose(e.text,f,T))){var z=!(T.x<0||T.x>EXTENT||T.y<0||T.y>EXTENT);if(!d||z){var M=z||g;this.addSymbolInstance(T,v,e,o,this.layer,M,this.symbolInstancesArray.length,this.collisionBoxArray,a.index,this.sourceLayerIndex,this.index,l,y,p,c,u,b,{zoom:this.zoom},a.properties)}}}}},SymbolBucket.prototype.anchorIsTooClose=function(t,e,o){var a=this.compareText;if(t in a){for(var i=a[t],n=i.length-1;n>=0;n--)if(o.dist(i[n])<e)return!0}else a[t]=[];return a[t].push(o),!1},SymbolBucket.prototype.placeFeatures=function(t,e){this.recalculateStyleLayers(),this.createArrays();var o=this.layer.layout,a=t.maxScale,i="map"===o["text-rotation-alignment"]&&"line"===o["symbol-placement"],n="map"===o["icon-rotation-alignment"]&&"line"===o["symbol-placement"],s=o["text-allow-overlap"]||o["icon-allow-overlap"]||o["text-ignore-placement"]||o["icon-ignore-placement"];if(s){var r=this.symbolInstancesArray.toArray(this.symbolInstancesStartIndex,this.symbolInstancesEndIndex),l=t.angle,h=Math.sin(l),c=Math.cos(l);this.sortedSymbolInstances=r.sort(function(t,e){var o=h*t.anchorPointX+c*t.anchorPointY|0,a=h*e.anchorPointX+c*e.anchorPointY|0;return o-a||e.index-t.index})}for(var x=this.symbolInstancesStartIndex;x<this.symbolInstancesEndIndex;x++){var d=this.sortedSymbolInstances?this.sortedSymbolInstances[x-this.symbolInstancesStartIndex]:this.symbolInstancesArray.get(x),y={boxStartIndex:d.textBoxStartIndex,boxEndIndex:d.textBoxEndIndex},u={boxStartIndex:d.iconBoxStartIndex,boxEndIndex:d.iconBoxEndIndex},m=!(d.textBoxStartIndex===d.textBoxEndIndex),p=!(d.iconBoxStartIndex===d.iconBoxEndIndex),b=o["text-optional"]||!m,g=o["icon-optional"]||!p,I=m?t.placeCollisionFeature(y,o["text-allow-overlap"],o["symbol-avoid-edges"]):t.minScale,f=p?t.placeCollisionFeature(u,o["icon-allow-overlap"],o["symbol-avoid-edges"]):t.minScale;b||g?!g&&I?I=Math.max(f,I):!b&&f&&(f=Math.max(f,I)):f=I=Math.max(f,I),m&&(t.insertCollisionFeature(y,I,o["text-ignore-placement"]),a>=I&&this.addSymbols("glyph",d.glyphQuadStartIndex,d.glyphQuadEndIndex,I,o["text-keep-upright"],i,t.angle)),p&&(t.insertCollisionFeature(u,f,o["icon-ignore-placement"]),a>=f&&this.addSymbols("icon",d.iconQuadStartIndex,d.iconQuadEndIndex,f,o["icon-keep-upright"],n,t.angle))}e&&this.addToDebugBuffers(t)},SymbolBucket.prototype.addSymbols=function(t,e,o,a,i,n,s){for(var r=this.prepareArrayGroup(t,4*(o-e)),l=r.layout.element,h=r.layout.vertex,c=this.zoom,x=Math.max(Math.log(a)/Math.LN2+c,0),d=e;o>d;d++){var y=this.symbolQuadsArray.get(d).SymbolQuad,u=(y.anchorAngle+s+Math.PI)%(2*Math.PI);if(!(i&&n&&(u<=Math.PI/2||u>3*Math.PI/2))){var m=y.tl,p=y.tr,b=y.bl,g=y.br,I=y.tex,f=y.anchorPoint,S=Math.max(c+Math.log(y.minScale)/Math.LN2,x),B=Math.min(c+Math.log(y.maxScale)/Math.LN2,25);if(!(S>=B)){S===x&&(S=0);var v=Math.round(y.glyphAngle/(2*Math.PI)*256),A=addVertex(h,f.x,f.y,m.x,m.y,I.x,I.y,S,B,x,v);addVertex(h,f.x,f.y,p.x,p.y,I.x+I.w,I.y,S,B,x,v),addVertex(h,f.x,f.y,b.x,b.y,I.x,I.y+I.h,S,B,x,v),addVertex(h,f.x,f.y,g.x,g.y,I.x+I.w,I.y+I.h,S,B,x,v),l.emplaceBack(A,A+1,A+2),l.emplaceBack(A+1,A+2,A+3)}}}},SymbolBucket.prototype.updateIcons=function(t){this.recalculateStyleLayers();var e=this.layer.layout["icon-image"];if(e)for(var o=0;o<this.features.length;o++){var a=resolveTokens(this.features[o].properties,e);a&&(t[a]=!0)}},SymbolBucket.prototype.updateFont=function(t){this.recalculateStyleLayers();var e=this.layer.layout["text-font"],o=t[e]=t[e]||{};this.textFeatures=resolveText(this.features,this.layer.layout,o)},SymbolBucket.prototype.addToDebugBuffers=function(t){for(var e=this.prepareArrayGroup("collisionBox",0),o=e.layout.vertex,a=-t.angle,i=t.yStretch,n=this.symbolInstancesStartIndex;n<this.symbolInstancesEndIndex;n++){var s=this.symbolInstancesArray.get(n);s.textCollisionFeature={boxStartIndex:s.textBoxStartIndex,boxEndIndex:s.textBoxEndIndex},s.iconCollisionFeature={boxStartIndex:s.iconBoxStartIndex,boxEndIndex:s.iconBoxEndIndex};for(var r=0;2>r;r++){var l=s[0===r?"textCollisionFeature":"iconCollisionFeature"];if(l)for(var h=l.boxStartIndex;h<l.boxEndIndex;h++){var c=this.collisionBoxArray.get(h),x=c.anchorPoint,d=new Point(c.x1,c.y1*i)._rotate(a),y=new Point(c.x2,c.y1*i)._rotate(a),u=new Point(c.x1,c.y2*i)._rotate(a),m=new Point(c.x2,c.y2*i)._rotate(a),p=Math.max(0,Math.min(25,this.zoom+Math.log(c.maxScale)/Math.LN2)),b=Math.max(0,Math.min(25,this.zoom+Math.log(c.placementScale)/Math.LN2));this.addCollisionBoxVertex(o,x,d,p,b),this.addCollisionBoxVertex(o,x,y,p,b),this.addCollisionBoxVertex(o,x,y,p,b),this.addCollisionBoxVertex(o,x,m,p,b),this.addCollisionBoxVertex(o,x,m,p,b),this.addCollisionBoxVertex(o,x,u,p,b),this.addCollisionBoxVertex(o,x,u,p,b),this.addCollisionBoxVertex(o,x,d,p,b)}}}},SymbolBucket.prototype.addSymbolInstance=function(t,e,o,a,i,n,s,r,l,h,c,x,d,y,u,m,p,b,g){var I,f,S,B,v,A,k,T;if(o&&(k=n?getGlyphQuads(t,o,x,e,i,y):[],v=new CollisionFeature(r,e,t,l,h,c,o,x,d,y,!1)),I=this.symbolQuadsArray.length,k&&k.length)for(var z=0;z<k.length;z++)this.addSymbolQuad(k[z]);f=this.symbolQuadsArray.length;var M=v?v.boxStartIndex:this.collisionBoxArray.length,E=v?v.boxEndIndex:this.collisionBoxArray.length;a&&(T=n?getIconQuads(t,a,u,e,i,p,o,b,g):[],A=new CollisionFeature(r,e,t,l,h,c,a,u,m,p,!0)),S=this.symbolQuadsArray.length,T&&1===T.length&&this.addSymbolQuad(T[0]),B=this.symbolQuadsArray.length;var C=A?A.boxStartIndex:this.collisionBoxArray.length,P=A?A.boxEndIndex:this.collisionBoxArray.length;return this.symbolInstancesArray.emplaceBack(M,E,C,P,I,f,S,B,t.x,t.y,s)},SymbolBucket.prototype.addSymbolQuad=function(t){return this.symbolQuadsArray.emplaceBack(t.anchorPoint.x,t.anchorPoint.y,t.tl.x,t.tl.y,t.tr.x,t.tr.y,t.bl.x,t.bl.y,t.br.x,t.br.y,t.tex.h,t.tex.w,t.tex.x,t.tex.y,t.anchorAngle,t.glyphAngle,t.maxScale,t.minScale)};
-},{"../../symbol/anchor":58,"../../symbol/clip_line":60,"../../symbol/collision_feature":62,"../../symbol/get_anchors":64,"../../symbol/mergelines":67,"../../symbol/quads":68,"../../symbol/resolve_text":69,"../../symbol/shaping":70,"../../util/token":107,"../../util/util":108,"../bucket":1,"../load_geometry":8,"point-geometry":176}],6:[function(require,module,exports){
-"use strict";function Buffer(t,e,r){this.arrayBuffer=t.arrayBuffer,this.length=t.length,this.attributes=e.members,this.itemSize=e.bytesPerElement,this.type=r,this.arrayType=e}module.exports=Buffer,Buffer.prototype.bind=function(t){var e=t[this.type];this.buffer?t.bindBuffer(e,this.buffer):(this.buffer=t.createBuffer(),t.bindBuffer(e,this.buffer),t.bufferData(e,this.arrayBuffer,t.STATIC_DRAW),this.arrayBuffer=null)};var AttributeType={Int8:"BYTE",Uint8:"UNSIGNED_BYTE",Int16:"SHORT",Uint16:"UNSIGNED_SHORT"};Buffer.prototype.setVertexAttribPointers=function(t,e){for(var r=0;r<this.attributes.length;r++){var f=this.attributes[r],i=e[f.name];void 0!==i&&t.vertexAttribPointer(i,f.components,t[AttributeType[f.type]],!1,this.arrayType.bytesPerElement,f.offset)}},Buffer.prototype.destroy=function(t){this.buffer&&t.deleteBuffer(this.buffer)},Buffer.BufferType={VERTEX:"ARRAY_BUFFER",ELEMENT:"ELEMENT_ARRAY_BUFFER"},Buffer.ELEMENT_ATTRIBUTE_TYPE="Uint16",Buffer.VERTEX_ATTRIBUTE_ALIGNMENT=4;
-},{}],7:[function(require,module,exports){
-"use strict";function FeatureIndex(e,t,r){if(e.grid){var i=e,n=t;e=i.coord,t=i.overscaling,this.grid=new Grid(i.grid),this.featureIndexArray=new FeatureIndexArray(i.featureIndexArray),this.rawTileData=n,this.bucketLayerIDs=i.bucketLayerIDs}else this.grid=new Grid(EXTENT,16,0),this.featureIndexArray=new FeatureIndexArray;this.coord=e,this.overscaling=t,this.x=e.x,this.y=e.y,this.z=e.z-Math.log(t)/Math.LN2,this.setCollisionTile(r)}function translateDistance(e){return Math.sqrt(e[0]*e[0]+e[1]*e[1])}function topDownFeatureComparator(e,t){return t-e}function getLineWidth(e){return e["line-gap-width"]>0?e["line-gap-width"]+2*e["line-width"]:e["line-width"]}function translate(e,t,r,i,n){if(!t[0]&&!t[1])return e;t=Point.convert(t),"viewport"===r&&t._rotate(-i);for(var a=[],o=0;o<e.length;o++){for(var s=e[o],l=[],u=0;u<s.length;u++)l.push(s[u].sub(t._mult(n)));a.push(l)}return a}function offsetLine(e,t){for(var r=[],i=new Point(0,0),n=0;n<e.length;n++){for(var a=e[n],o=[],s=0;s<a.length;s++){var l=a[s-1],u=a[s],c=a[s+1],y=0===s?i:u.sub(l)._unit()._perp(),f=s===a.length-1?i:c.sub(u)._unit()._perp(),h=y._add(f)._unit(),d=h.x*f.x+h.y*f.y;h._mult(1/d),o.push(h._mult(t)._add(u))}r.push(o)}return r}var Point=require("point-geometry"),loadGeometry=require("./load_geometry"),EXTENT=require("./bucket").EXTENT,featureFilter=require("feature-filter"),StructArrayType=require("../util/struct_array"),Grid=require("grid-index"),DictionaryCoder=require("../util/dictionary_coder"),vt=require("vector-tile"),Protobuf=require("pbf"),GeoJSONFeature=require("../util/vectortile_to_geojson"),arraysIntersect=require("../util/util").arraysIntersect,intersection=require("../util/intersection_tests"),multiPolygonIntersectsBufferedMultiPoint=intersection.multiPolygonIntersectsBufferedMultiPoint,multiPolygonIntersectsMultiPolygon=intersection.multiPolygonIntersectsMultiPolygon,multiPolygonIntersectsBufferedMultiLine=intersection.multiPolygonIntersectsBufferedMultiLine,FeatureIndexArray=new StructArrayType({members:[{type:"Uint32",name:"featureIndex"},{type:"Uint16",name:"sourceLayerIndex"},{type:"Uint16",name:"bucketIndex"}]});module.exports=FeatureIndex,FeatureIndex.prototype.insert=function(e,t,r,i){var n=this.featureIndexArray.length;this.featureIndexArray.emplaceBack(t,r,i);for(var a=loadGeometry(e),o=0;o<a.length;o++){for(var s=a[o],l=[1/0,1/0,-(1/0),-(1/0)],u=0;u<s.length;u++){var c=s[u];l[0]=Math.min(l[0],c.x),l[1]=Math.min(l[1],c.y),l[2]=Math.max(l[2],c.x),l[3]=Math.max(l[3],c.y)}this.grid.insert(n,l[0],l[1],l[2],l[3])}},FeatureIndex.prototype.setCollisionTile=function(e){this.collisionTile=e},FeatureIndex.prototype.serialize=function(){var e={coord:this.coord,overscaling:this.overscaling,grid:this.grid.toArrayBuffer(),featureIndexArray:this.featureIndexArray.serialize(),bucketLayerIDs:this.bucketLayerIDs};return{data:e,transferables:[e.grid,e.featureIndexArray.arrayBuffer]}},FeatureIndex.prototype.query=function(e,t){this.vtLayers||(this.vtLayers=new vt.VectorTile(new Protobuf(new Uint8Array(this.rawTileData))).layers,this.sourceLayerCoder=new DictionaryCoder(this.vtLayers?Object.keys(this.vtLayers).sort():["_geojsonTileLayer"]));var r={},i=e.params||{},n=EXTENT/e.tileSize/e.scale,a=featureFilter(i.filter),o=0;for(var s in t){var l=t[s],u=l.paint,c=0;"line"===l.type?c=getLineWidth(u)/2+Math.abs(u["line-offset"])+translateDistance(u["line-translate"]):"fill"===l.type?c=translateDistance(u["fill-translate"]):"circle"===l.type&&(c=u["circle-radius"]+translateDistance(u["circle-translate"])),o=Math.max(o,c*n)}for(var y=e.queryGeometry.map(function(e){return e.map(function(e){return new Point(e.x,e.y)})}),f=1/0,h=1/0,d=-(1/0),g=-(1/0),v=0;v<y.length;v++)for(var p=y[v],x=0;x<p.length;x++){var I=p[x];f=Math.min(f,I.x),h=Math.min(h,I.y),d=Math.max(d,I.x),g=Math.max(g,I.y)}var m=this.grid.query(f-o,h-o,d+o,g+o);m.sort(topDownFeatureComparator),this.filterMatching(r,m,this.featureIndexArray,y,a,i.layers,t,e.bearing,n);var M=this.collisionTile.queryRenderedSymbols(f,h,d,g,e.scale);return M.sort(),this.filterMatching(r,M,this.collisionTile.collisionBoxArray,y,a,i.layers,t,e.bearing,n),r},FeatureIndex.prototype.filterMatching=function(e,t,r,i,n,a,o,s,l){for(var u,c=0;c<t.length;c++){var y=t[c];if(y!==u){u=y;var f=r.get(y),h=this.bucketLayerIDs[f.bucketIndex];if(!a||arraysIntersect(a,h)){var d=this.sourceLayerCoder.decode(f.sourceLayerIndex),g=this.vtLayers[d],v=g.feature(f.featureIndex);if(n(v))for(var p=null,x=0;x<h.length;x++){var I=h[x];if(!(a&&a.indexOf(I)<0)){var m=o[I];if(m){var M;if("symbol"!==m.type){p||(p=loadGeometry(v));var L=m.paint;if("line"===m.type){M=translate(i,L["line-translate"],L["line-translate-anchor"],s,l);var b=getLineWidth(L)/2*l;if(L["line-offset"]&&(p=offsetLine(p,L["line-offset"]*l)),!multiPolygonIntersectsBufferedMultiLine(M,p,b))continue}else if("fill"===m.type){if(M=translate(i,L["fill-translate"],L["fill-translate-anchor"],s,l),!multiPolygonIntersectsMultiPolygon(M,p))continue}else if("circle"===m.type){M=translate(i,L["circle-translate"],L["circle-translate-anchor"],s,l);var P=L["circle-radius"]*l;if(!multiPolygonIntersectsBufferedMultiPoint(M,p,P))continue}}var w=new GeoJSONFeature(v,this.z,this.x,this.y);w.layer=m.serialize({includeRefProperties:!0});var T=e[I];void 0===T&&(T=e[I]=[]),T.push(w)}}}}}}};
-},{"../util/dictionary_coder":99,"../util/intersection_tests":103,"../util/struct_array":106,"../util/util":108,"../util/vectortile_to_geojson":109,"./bucket":1,"./load_geometry":8,"feature-filter":123,"grid-index":144,"pbf":174,"point-geometry":176,"vector-tile":186}],8:[function(require,module,exports){
-"use strict";function createBounds(e){return{min:-1*Math.pow(2,e-1),max:Math.pow(2,e-1)-1}}var util=require("../util/util"),EXTENT=require("./bucket").EXTENT,boundsLookup={15:createBounds(15),16:createBounds(16)};module.exports=function(e,t){for(var r=boundsLookup[t||16],o=EXTENT/e.extent,u=e.loadGeometry(),n=0;n<u.length;n++)for(var a=u[n],i=0;i<a.length;i++){var d=a[i];d.x=Math.round(d.x*o),d.y=Math.round(d.y*o),(d.x<r.min||d.x>r.max||d.y<r.min||d.y>r.max)&&util.warnOnce("Geometry exceeds allowed extent, reduce your vector tile buffer size")}return u};
-},{"../util/util":108,"./bucket":1}],9:[function(require,module,exports){
-"use strict";function Coordinate(o,t,n){this.column=o,this.row=t,this.zoom=n}module.exports=Coordinate,Coordinate.prototype={clone:function(){return new Coordinate(this.column,this.row,this.zoom)},zoomTo:function(o){return this.clone()._zoomTo(o)},sub:function(o){return this.clone()._sub(o)},_zoomTo:function(o){var t=Math.pow(2,o-this.zoom);return this.column*=t,this.row*=t,this.zoom=o,this},_sub:function(o){return o=o.zoomTo(this.zoom),this.column-=o.column,this.row-=o.row,this}};
-},{}],10:[function(require,module,exports){
-"use strict";function LngLat(t,n){if(isNaN(t)||isNaN(n))throw new Error("Invalid LngLat object: ("+t+", "+n+")");if(this.lng=+t,this.lat=+n,this.lat>90||this.lat<-90)throw new Error("Invalid LngLat latitude value: must be between -90 and 90")}module.exports=LngLat;var wrap=require("../util/util").wrap;LngLat.prototype.wrap=function(){return new LngLat(wrap(this.lng,-180,180),this.lat)},LngLat.prototype.toArray=function(){return[this.lng,this.lat]},LngLat.prototype.toString=function(){return"LngLat("+this.lng+", "+this.lat+")"},LngLat.convert=function(t){return t instanceof LngLat?t:Array.isArray(t)?new LngLat(t[0],t[1]):t};
-},{"../util/util":108}],11:[function(require,module,exports){
-"use strict";function LngLatBounds(t,n){t&&(n?this.extend(t).extend(n):4===t.length?this.extend([t[0],t[1]]).extend([t[2],t[3]]):this.extend(t[0]).extend(t[1]))}module.exports=LngLatBounds;var LngLat=require("./lng_lat");LngLatBounds.prototype={extend:function(t){var n,e,s=this._sw,i=this._ne;if(t instanceof LngLat)n=t,e=t;else{if(!(t instanceof LngLatBounds))return t?this.extend(LngLat.convert(t)||LngLatBounds.convert(t)):this;if(n=t._sw,e=t._ne,!n||!e)return this}return s||i?(s.lng=Math.min(n.lng,s.lng),s.lat=Math.min(n.lat,s.lat),i.lng=Math.max(e.lng,i.lng),i.lat=Math.max(e.lat,i.lat)):(this._sw=new LngLat(n.lng,n.lat),this._ne=new LngLat(e.lng,e.lat)),this},getCenter:function(){return new LngLat((this._sw.lng+this._ne.lng)/2,(this._sw.lat+this._ne.lat)/2)},getSouthWest:function(){return this._sw},getNorthEast:function(){return this._ne},getNorthWest:function(){return new LngLat(this.getWest(),this.getNorth())},getSouthEast:function(){return new LngLat(this.getEast(),this.getSouth())},getWest:function(){return this._sw.lng},getSouth:function(){return this._sw.lat},getEast:function(){return this._ne.lng},getNorth:function(){return this._ne.lat},toArray:function(){return[this._sw.toArray(),this._ne.toArray()]},toString:function(){return"LngLatBounds("+this._sw.toString()+", "+this._ne.toString()+")"}},LngLatBounds.convert=function(t){return!t||t instanceof LngLatBounds?t:new LngLatBounds(t)};
-},{"./lng_lat":10}],12:[function(require,module,exports){
-"use strict";function Transform(t,i){this.tileSize=512,this._minZoom=t||0,this._maxZoom=i||22,this.latRange=[-85.05113,85.05113],this.width=0,this.height=0,this._center=new LngLat(0,0),this.zoom=0,this.angle=0,this._altitude=1.5,this._pitch=0,this._unmodified=!0}var LngLat=require("./lng_lat"),Point=require("point-geometry"),Coordinate=require("./coordinate"),wrap=require("../util/util").wrap,interp=require("../util/interpolate"),TileCoord=require("../source/tile_coord"),EXTENT=require("../data/bucket").EXTENT,glmatrix=require("gl-matrix"),vec4=glmatrix.vec4,mat4=glmatrix.mat4,mat2=glmatrix.mat2;module.exports=Transform,Transform.prototype={get minZoom(){return this._minZoom},set minZoom(t){this._minZoom!==t&&(this._minZoom=t,this.zoom=Math.max(this.zoom,t))},get maxZoom(){return this._maxZoom},set maxZoom(t){this._maxZoom!==t&&(this._maxZoom=t,this.zoom=Math.min(this.zoom,t))},get worldSize(){return this.tileSize*this.scale},get centerPoint(){return this.size._div(2)},get size(){return new Point(this.width,this.height)},get bearing(){return-this.angle/Math.PI*180},set bearing(t){var i=-wrap(t,-180,180)*Math.PI/180;this.angle!==i&&(this._unmodified=!1,this.angle=i,this._calcMatrices(),this.rotationMatrix=mat2.create(),mat2.rotate(this.rotationMatrix,this.rotationMatrix,this.angle))},get pitch(){return this._pitch/Math.PI*180},set pitch(t){var i=Math.min(60,t)/180*Math.PI;this._pitch!==i&&(this._unmodified=!1,this._pitch=i,this._calcMatrices())},get altitude(){return this._altitude},set altitude(t){var i=Math.max(.75,t);this._altitude!==i&&(this._unmodified=!1,this._altitude=i,this._calcMatrices())},get zoom(){return this._zoom},set zoom(t){var i=Math.min(Math.max(t,this.minZoom),this.maxZoom);this._zoom!==i&&(this._unmodified=!1,this._zoom=i,this.scale=this.zoomScale(i),this.tileZoom=Math.floor(i),this.zoomFraction=i-this.tileZoom,this._calcMatrices(),this._constrain())},get center(){return this._center},set center(t){t.lat===this._center.lat&&t.lng===this._center.lng||(this._unmodified=!1,this._center=t,this._calcMatrices(),this._constrain())},resize:function(t,i){this.width=t,this.height=i,this.pixelsToGLUnits=[2/t,-2/i],this._calcMatrices(),this._constrain()},get unmodified(){return this._unmodified},zoomScale:function(t){return Math.pow(2,t)},scaleZoom:function(t){return Math.log(t)/Math.LN2},project:function(t,i){return new Point(this.lngX(t.lng,i),this.latY(t.lat,i))},unproject:function(t,i){return new LngLat(this.xLng(t.x,i),this.yLat(t.y,i))},get x(){return this.lngX(this.center.lng)},get y(){return this.latY(this.center.lat)},get point(){return new Point(this.x,this.y)},lngX:function(t,i){return(180+t)*(i||this.worldSize)/360},latY:function(t,i){var e=180/Math.PI*Math.log(Math.tan(Math.PI/4+t*Math.PI/360));return(180-e)*(i||this.worldSize)/360},xLng:function(t,i){return 360*t/(i||this.worldSize)-180},yLat:function(t,i){var e=180-360*t/(i||this.worldSize);return 360/Math.PI*Math.atan(Math.exp(e*Math.PI/180))-90},panBy:function(t){var i=this.centerPoint._add(t);this.center=this.pointLocation(i)},setLocationAtPoint:function(t,i){var e=this.locationCoordinate(t),n=this.pointCoordinate(i),o=this.pointCoordinate(this.centerPoint),a=n._sub(e);this._unmodified=!1,this.center=this.coordinateLocation(o._sub(a))},locationPoint:function(t){return this.coordinatePoint(this.locationCoordinate(t))},pointLocation:function(t){return this.coordinateLocation(this.pointCoordinate(t))},locationCoordinate:function(t){var i=this.zoomScale(this.tileZoom)/this.worldSize,e=LngLat.convert(t);return new Coordinate(this.lngX(e.lng)*i,this.latY(e.lat)*i,this.tileZoom)},coordinateLocation:function(t){var i=this.zoomScale(t.zoom);return new LngLat(this.xLng(t.column,i),this.yLat(t.row,i))},pointCoordinate:function(t){var i=0,e=[t.x,t.y,0,1],n=[t.x,t.y,1,1];vec4.transformMat4(e,e,this.pixelMatrixInverse),vec4.transformMat4(n,n,this.pixelMatrixInverse);var o=e[3],a=n[3],h=e[0]/o,r=n[0]/a,s=e[1]/o,c=n[1]/a,l=e[2]/o,u=n[2]/a,m=l===u?0:(i-l)/(u-l),d=this.worldSize/this.zoomScale(this.tileZoom);return new Coordinate(interp(h,r,m)/d,interp(s,c,m)/d,this.tileZoom)},coordinatePoint:function(t){var i=this.worldSize/this.zoomScale(t.zoom),e=[t.column*i,t.row*i,0,1];return vec4.transformMat4(e,e,this.pixelMatrix),new Point(e[0]/e[3],e[1]/e[3])},calculatePosMatrix:function(t,i){void 0===i&&(i=1/0),t instanceof TileCoord&&(t=t.toCoordinate(i));var e=Math.min(t.zoom,i),n=this.worldSize/Math.pow(2,e),o=new Float64Array(16);return mat4.identity(o),mat4.translate(o,o,[t.column*n,t.row*n,0]),mat4.scale(o,o,[n/EXTENT,n/EXTENT,1]),mat4.multiply(o,this.projMatrix,o),new Float32Array(o)},_constrain:function(){if(this.center&&this.width&&this.height&&!this._constraining){this._constraining=!0;var t,i,e,n,o,a,h,r,s=this.size,c=this._unmodified;this.latRange&&(t=this.latY(this.latRange[1]),i=this.latY(this.latRange[0]),o=i-t<s.y?s.y/(i-t):0),this.lngRange&&(e=this.lngX(this.lngRange[0]),n=this.lngX(this.lngRange[1]),a=n-e<s.x?s.x/(n-e):0);var l=Math.max(a||0,o||0);if(l)return this.center=this.unproject(new Point(a?(n+e)/2:this.x,o?(i+t)/2:this.y)),this.zoom+=this.scaleZoom(l),this._unmodified=c,void(this._constraining=!1);if(this.latRange){var u=this.y,m=s.y/2;t>u-m&&(r=t+m),u+m>i&&(r=i-m)}if(this.lngRange){var d=this.x,g=s.x/2;e>d-g&&(h=e+g),d+g>n&&(h=n-g)}void 0===h&&void 0===r||(this.center=this.unproject(new Point(void 0!==h?h:this.x,void 0!==r?r:this.y))),this._unmodified=c,this._constraining=!1}},_calcMatrices:function(){if(this.height){var t=Math.atan(.5/this.altitude),i=Math.sin(t)*this.altitude/Math.sin(Math.PI/2-this._pitch-t),e=Math.cos(Math.PI/2-this._pitch)*i+this.altitude,n=new Float64Array(16);if(mat4.perspective(n,2*Math.atan(this.height/2/this.altitude),this.width/this.height,.1,e),mat4.translate(n,n,[0,0,-this.altitude]),mat4.scale(n,n,[1,-1,1/this.height]),mat4.rotateX(n,n,this._pitch),mat4.rotateZ(n,n,this.angle),mat4.translate(n,n,[-this.x,-this.y,0]),this.projMatrix=n,n=mat4.create(),mat4.scale(n,n,[this.width/2,-this.height/2,1]),mat4.translate(n,n,[1,-1,0]),this.pixelMatrix=mat4.multiply(new Float64Array(16),n,this.projMatrix),n=mat4.invert(new Float64Array(16),this.pixelMatrix),!n)throw new Error("failed to invert matrix");this.pixelMatrixInverse=n}}};
-},{"../data/bucket":1,"../source/tile_coord":36,"../util/interpolate":102,"../util/util":108,"./coordinate":9,"./lng_lat":10,"gl-matrix":134,"point-geometry":176}],13:[function(require,module,exports){
-"use strict";var simplexFont={" 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r,o,u,s,i,x,f,p,h=[];for(r=0,o=l.length;o>r;r++)if(i=simplexFont[l[r]]){for(p=null,u=0,s=i[1].length;s>u;u+=2)-1===i[1][u]&&-1===i[1][u+1]?p=null:(x=n+i[1][u]*e,f=t-i[1][u+1]*e,p&&h.push(p.x,p.y,x,f),p={x:x,y:f});n+=i[0]*e}return h};
-},{}],14:[function(require,module,exports){
-"use strict";var mapboxgl=module.exports={};mapboxgl.version=require("../package.json").version,mapboxgl.Map=require("./ui/map"),mapboxgl.Control=require("./ui/control/control"),mapboxgl.Navigation=require("./ui/control/navigation"),mapboxgl.Geolocate=require("./ui/control/geolocate"),mapboxgl.Attribution=require("./ui/control/attribution"),mapboxgl.Popup=require("./ui/popup"),mapboxgl.Marker=require("./ui/marker"),mapboxgl.GeoJSONSource=require("./source/geojson_source"),mapboxgl.VideoSource=require("./source/video_source"),mapboxgl.ImageSource=require("./source/image_source"),mapboxgl.Style=require("./style/style"),mapboxgl.LngLat=require("./geo/lng_lat"),mapboxgl.LngLatBounds=require("./geo/lng_lat_bounds"),mapboxgl.Point=require("point-geometry"),mapboxgl.Evented=require("./util/evented"),mapboxgl.util=require("./util/util"),mapboxgl.supported=require("./util/browser").supported;var ajax=require("./util/ajax");mapboxgl.util.getJSON=ajax.getJSON,mapboxgl.util.getArrayBuffer=ajax.getArrayBuffer;var config=require("./util/config");mapboxgl.config=config,Object.defineProperty(mapboxgl,"accessToken",{get:function(){return config.ACCESS_TOKEN},set:function(e){config.ACCESS_TOKEN=e}});
-},{"../package.json":195,"./geo/lng_lat":10,"./geo/lng_lat_bounds":11,"./source/geojson_source":29,"./source/image_source":31,"./source/video_source":39,"./style/style":45,"./ui/control/attribution":76,"./ui/control/control":77,"./ui/control/geolocate":78,"./ui/control/navigation":79,"./ui/map":88,"./ui/marker":89,"./ui/popup":90,"./util/ajax":92,"./util/browser":93,"./util/config":98,"./util/evented":100,"./util/util":108,"point-geometry":176}],15:[function(require,module,exports){
-"use strict";module.exports=function(e){for(var n={define:{},initialize:{}},i=0;i<e.length;i++){var o=e[i],t="{precision} "+(1===o.components?"float":"vec"+o.components);n.define[o.name.slice(2)]="uniform "+t+" "+o.name+";\n",n.initialize[o.name.slice(2)]=t+" "+o.name.slice(2)+" = "+o.name+";\n"}return n};
-},{}],16:[function(require,module,exports){
-"use strict";function drawBackground(r,e,i){var t,o=r.gl,a=r.transform,n=i.paint["background-color"],u=i.paint["background-pattern"],l=i.paint["background-opacity"],f=u?r.spriteAtlas.getPosition(u.from,!0):null,s=u?r.spriteAtlas.getPosition(u.to,!0):null;if(r.setDepthSublayer(0),f&&s){if(r.isOpaquePass)return;t=r.useProgram("pattern"),o.uniform1i(t.u_image,0),o.uniform2fv(t.u_pattern_tl_a,f.tl),o.uniform2fv(t.u_pattern_br_a,f.br),o.uniform2fv(t.u_pattern_tl_b,s.tl),o.uniform2fv(t.u_pattern_br_b,s.br),o.uniform1f(t.u_opacity,l),o.uniform1f(t.u_mix,u.t),o.uniform2fv(t.u_pattern_size_a,f.size),o.uniform2fv(t.u_pattern_size_b,s.size),o.uniform1f(t.u_scale_a,u.fromScale),o.uniform1f(t.u_scale_b,u.toScale),o.activeTexture(o.TEXTURE0),r.spriteAtlas.bind(o,!0),r.tileExtentPatternVAO.bind(o,t,r.tileExtentBuffer)}else{if(r.isOpaquePass!==(1===n[3]))return;var _=createUniformPragmas([{name:"u_color",components:4},{name:"u_opacity",components:1}]);t=r.useProgram("fill",[],_,_),o.uniform4fv(t.u_color,n),o.uniform1f(t.u_opacity,l),r.tileExtentVAO.bind(o,t,r.tileExtentBuffer)}o.disable(o.STENCIL_TEST);for(var m=pyramid.coveringTiles(a),c=0;c<m.length;c++){var p=m[c],d=512;if(f&&s){var x={coord:p,tileSize:d};o.uniform1f(t.u_tile_units_to_pixels,1/pixelsToTileUnits(x,1,r.transform.tileZoom));var g=x.tileSize*Math.pow(2,r.transform.tileZoom-x.coord.z),v=g*(x.coord.x+p.w*Math.pow(2,x.coord.z)),b=g*x.coord.y;o.uniform2f(t.u_pixel_coord_upper,v>>16,b>>16),o.uniform2f(t.u_pixel_coord_lower,65535&v,65535&b)}o.uniformMatrix4fv(t.u_matrix,!1,r.transform.calculatePosMatrix(p)),o.drawArrays(o.TRIANGLE_STRIP,0,r.tileExtentBuffer.length)}o.stencilMask(0),o.stencilFunc(o.EQUAL,128,128)}var TilePyramid=require("../source/tile_pyramid"),pyramid=new TilePyramid({tileSize:512}),pixelsToTileUnits=require("../source/pixels_to_tile_units"),createUniformPragmas=require("./create_uniform_pragmas");module.exports=drawBackground;
-},{"../source/pixels_to_tile_units":32,"../source/tile_pyramid":37,"./create_uniform_pragmas":15}],17:[function(require,module,exports){
-"use strict";function drawCircles(r,e,t,a){if(!r.isOpaquePass){var i=r.gl;r.setDepthSublayer(0),r.depthMask(!1),i.disable(i.STENCIL_TEST);for(var s=0;s<a.length;s++){var l=a[s],o=e.getTile(l),n=o.getBucket(t);if(n){var u=n.bufferGroups.circle;if(u){var c=n.paintAttributes.circle[t.id],f=r.useProgram("circle",c.defines,c.vertexPragmas,c.fragmentPragmas);"map"===t.paint["circle-pitch-scale"]?(i.uniform1i(f.u_scale_with_map,!0),i.uniform2f(f.u_extrude_scale,r.transform.pixelsToGLUnits[0]*r.transform.altitude,r.transform.pixelsToGLUnits[1]*r.transform.altitude)):(i.uniform1i(f.u_scale_with_map,!1),i.uniform2fv(f.u_extrude_scale,r.transform.pixelsToGLUnits)),i.uniform1f(f.u_devicepixelratio,browser.devicePixelRatio),i.uniformMatrix4fv(f.u_matrix,!1,r.translatePosMatrix(l.posMatrix,o,t.paint["circle-translate"],t.paint["circle-translate-anchor"])),n.setUniforms(i,"circle",f,t,{zoom:r.transform.zoom});for(var m=0;m<u.length;m++){var p=u[m];p.vaos[t.id].bind(i,f,p.layout.vertex,p.layout.element,p.paint[t.id]),i.drawElements(i.TRIANGLES,3*p.layout.element.length,i.UNSIGNED_SHORT,0)}}}}}}var browser=require("../util/browser");module.exports=drawCircles;
-},{"../util/browser":93}],18:[function(require,module,exports){
-"use strict";function drawCollisionDebug(o,r,e,i){var a=o.gl;a.enable(a.STENCIL_TEST);for(var l=o.useProgram("collisionbox"),t=0;t<i.length;t++){var n=i[t],u=r.getTile(n),f=u.getBucket(e);if(f){var s=f.bufferGroups.collisionBox;if(s&&s.length){var m=s[0];0!==m.layout.vertex.length&&(a.uniformMatrix4fv(l.u_matrix,!1,n.posMatrix),o.enableTileClippingMask(n),o.lineWidth(1),a.uniform1f(l.u_scale,Math.pow(2,o.transform.zoom-u.coord.z)),a.uniform1f(l.u_zoom,10*o.transform.zoom),a.uniform1f(l.u_maxzoom,10*(u.coord.z+1)),m.vaos[e.id].bind(a,l,m.layout.vertex),a.drawArrays(a.LINES,0,m.layout.vertex.length))}}}}module.exports=drawCollisionDebug;
+"use strict";function serializePaintVertexArrays(r,e){var t={};for(var a in r){var n=r[a].paintVertexArray;if(0!==n.length){var i=n.serialize(e),s=n.constructor.serialize();t[a]={array:i,type:s}}}return t}var ProgramConfiguration=require("./program_configuration"),Segment=function(r,e){this.vertexOffset=r,this.primitiveOffset=e,this.vertexLength=0,this.primitiveLength=0},ArrayGroup=function(r,e,t){var a=this;this.globalProperties={zoom:t};var n=r.layoutVertexArrayType;this.layoutVertexArray=new n;var i=r.elementArrayType;i&&(this.elementArray=new i);var s=r.elementArrayType2;s&&(this.elementArray2=new s),this.layerData={};for(var y=0,o=e;y<o.length;y+=1){var l=o[y],h=ProgramConfiguration.createDynamic(r.paintAttributes||[],l,t);a.layerData[l.id]={layer:l,programConfiguration:h,paintVertexArray:new h.PaintVertexArray}}this.segments=[],this.segments2=[]};ArrayGroup.prototype.prepareSegment=function(r){var e=this.segments[this.segments.length-1];return(!e||e.vertexLength+r>ArrayGroup.MAX_VERTEX_ARRAY_LENGTH)&&(e=new Segment(this.layoutVertexArray.length,this.elementArray.length),this.segments.push(e)),e},ArrayGroup.prototype.prepareSegment2=function(r){var e=this.segments2[this.segments2.length-1];return(!e||e.vertexLength+r>ArrayGroup.MAX_VERTEX_ARRAY_LENGTH)&&(e=new Segment(this.layoutVertexArray.length,this.elementArray2.length),this.segments2.push(e)),e},ArrayGroup.prototype.populatePaintArrays=function(r){var e=this;for(var t in this.layerData){var a=e.layerData[t];0!==a.paintVertexArray.bytesPerElement&&a.programConfiguration.populatePaintArray(a.layer,a.paintVertexArray,e.layoutVertexArray.length,e.globalProperties,r)}},ArrayGroup.prototype.isEmpty=function(){return 0===this.layoutVertexArray.length},ArrayGroup.prototype.serialize=function(r){return{layoutVertexArray:this.layoutVertexArray.serialize(r),elementArray:this.elementArray&&this.elementArray.serialize(r),elementArray2:this.elementArray2&&this.elementArray2.serialize(r),paintVertexArrays:serializePaintVertexArrays(this.layerData,r),segments:this.segments,segments2:this.segments2}},ArrayGroup.MAX_VERTEX_ARRAY_LENGTH=Math.pow(2,16)-1,module.exports=ArrayGroup;
+},{"./program_configuration":15}],2:[function(require,module,exports){
+"use strict";var ArrayGroup=require("./array_group"),BufferGroup=require("./buffer_group"),util=require("../util/util"),Bucket=function(r,e){this.zoom=r.zoom,this.overscaling=r.overscaling,this.layers=r.layers,this.index=r.index,r.arrays?this.buffers=new BufferGroup(e,r.layers,r.zoom,r.arrays):this.arrays=new ArrayGroup(e,r.layers,r.zoom)};Bucket.prototype.populate=function(r,e){for(var t=this,i=0,u=r;i<u.length;i+=1){var a=u[i];t.layers[0].filter(a)&&(t.addFeature(a),e.featureIndex.insert(a,t.index))}},Bucket.prototype.isEmpty=function(){return this.arrays.isEmpty()},Bucket.prototype.serialize=function(r){return{zoom:this.zoom,layerIds:this.layers.map(function(r){return r.id}),arrays:this.arrays.serialize(r)}},Bucket.prototype.destroy=function(){this.buffers&&(this.buffers.destroy(),this.buffers=null)},module.exports=Bucket,Bucket.deserialize=function(r,e){if(e){for(var t={},i=0,u=r;i<u.length;i+=1){var a=u[i],o=a.layerIds.map(function(r){return e.getLayer(r)}).filter(Boolean);if(0!==o.length)for(var s=o[0].createBucket(util.extend({layers:o},a)),n=0,f=o;n<f.length;n+=1){var l=f[n];t[l.id]=s}}return t}};
+},{"../util/util":126,"./array_group":1,"./buffer_group":9}],3:[function(require,module,exports){
+"use strict";function addCircleVertex(e,r,t,a,c){e.emplaceBack(2*r+(a+1)/2,2*t+(c+1)/2)}var Bucket=require("../bucket"),createVertexArrayType=require("../vertex_array_type"),createElementArrayType=require("../element_array_type"),loadGeometry=require("../load_geometry"),EXTENT=require("../extent"),circleInterface={layoutVertexArrayType:createVertexArrayType([{name:"a_pos",components:2,type:"Int16"}]),elementArrayType:createElementArrayType(),paintAttributes:[{property:"circle-color",type:"Uint8"},{property:"circle-radius",type:"Uint16",multiplier:10},{property:"circle-blur",type:"Uint16",multiplier:10},{property:"circle-opacity",type:"Uint8",multiplier:255}]},CircleBucket=function(e){function r(r){e.call(this,r,circleInterface)}return e&&(r.__proto__=e),r.prototype=Object.create(e&&e.prototype),r.prototype.constructor=r,r.prototype.addFeature=function(e){for(var r=this.arrays,t=0,a=loadGeometry(e);t<a.length;t+=1)for(var c=a[t],p=0,y=c;p<y.length;p+=1){var i=y[p],l=i.x,o=i.y;if(!(l<0||l>=EXTENT||o<0||o>=EXTENT)){var n=r.prepareSegment(4),u=n.vertexLength;addCircleVertex(r.layoutVertexArray,l,o,-1,-1),addCircleVertex(r.layoutVertexArray,l,o,1,-1),addCircleVertex(r.layoutVertexArray,l,o,1,1),addCircleVertex(r.layoutVertexArray,l,o,-1,1),r.elementArray.emplaceBack(u,u+1,u+2),r.elementArray.emplaceBack(u,u+3,u+2),n.vertexLength+=4,n.primitiveLength+=2}}r.populatePaintArrays(e.properties)},r}(Bucket);module.exports=CircleBucket;
+},{"../bucket":2,"../element_array_type":10,"../extent":11,"../load_geometry":13,"../vertex_array_type":17}],4:[function(require,module,exports){
+"use strict";var Bucket=require("../bucket"),createVertexArrayType=require("../vertex_array_type"),createElementArrayType=require("../element_array_type"),loadGeometry=require("../load_geometry"),earcut=require("earcut"),classifyRings=require("../../util/classify_rings"),EARCUT_MAX_RINGS=500,fillInterface={layoutVertexArrayType:createVertexArrayType([{name:"a_pos",components:2,type:"Int16"}]),elementArrayType:createElementArrayType(3),elementArrayType2:createElementArrayType(2),paintAttributes:[{property:"fill-color",type:"Uint8"},{property:"fill-outline-color",type:"Uint8"},{property:"fill-opacity",type:"Uint8",multiplier:255}]},FillBucket=function(e){function r(r){e.call(this,r,fillInterface)}return e&&(r.__proto__=e),r.prototype=Object.create(e&&e.prototype),r.prototype.constructor=r,r.prototype.addFeature=function(e){for(var r=this.arrays,t=0,a=classifyRings(loadGeometry(e),EARCUT_MAX_RINGS);t<a.length;t+=1){for(var l=a[t],p=0,n=0,y=l;n<y.length;n+=1){var o=y[n];p+=o.length}for(var i=r.prepareSegment(p),c=i.vertexLength,u=[],h=[],s=0,g=l;s<g.length;s+=1){var m=g[s];if(0!==m.length){m!==l[0]&&h.push(u.length/2);var f=r.prepareSegment2(m.length),A=f.vertexLength;r.layoutVertexArray.emplaceBack(m[0].x,m[0].y),r.elementArray2.emplaceBack(A+m.length-1,A),u.push(m[0].x),u.push(m[0].y);for(var v=1;v<m.length;v++)r.layoutVertexArray.emplaceBack(m[v].x,m[v].y),r.elementArray2.emplaceBack(A+v-1,A+v),u.push(m[v].x),u.push(m[v].y);f.vertexLength+=m.length,f.primitiveLength+=m.length}}for(var x=earcut(u,h),_=0;_<x.length;_+=3)r.elementArray.emplaceBack(c+x[_],c+x[_+1],c+x[_+2]);i.vertexLength+=p,i.primitiveLength+=x.length/3}r.populatePaintArrays(e.properties)},r}(Bucket);module.exports=FillBucket;
+},{"../../util/classify_rings":110,"../bucket":2,"../element_array_type":10,"../load_geometry":13,"../vertex_array_type":17,"earcut":131}],5:[function(require,module,exports){
+"use strict";function addVertex(e,r,t,a,n,y,o,i){e.emplaceBack(r,t,2*Math.floor(a*FACTOR)+o,n*FACTOR*2,y*FACTOR*2,Math.round(i))}function isBoundaryEdge(e,r){return e.x===r.x&&(e.x<0||e.x>EXTENT)||e.y===r.y&&(e.y<0||e.y>EXTENT)}var Bucket=require("../bucket"),createVertexArrayType=require("../vertex_array_type"),createElementArrayType=require("../element_array_type"),loadGeometry=require("../load_geometry"),EXTENT=require("../extent"),earcut=require("earcut"),classifyRings=require("../../util/classify_rings"),EARCUT_MAX_RINGS=500,fillExtrusionInterface={layoutVertexArrayType:createVertexArrayType([{name:"a_pos",components:2,type:"Int16"},{name:"a_normal",components:3,type:"Int16"},{name:"a_edgedistance",components:1,type:"Int16"}]),elementArrayType:createElementArrayType(3),paintAttributes:[{property:"fill-extrusion-base",type:"Uint16"},{property:"fill-extrusion-height",type:"Uint16"},{property:"fill-extrusion-color",type:"Uint8"}]},FACTOR=Math.pow(2,13),FillExtrusionBucket=function(e){function r(r){e.call(this,r,fillExtrusionInterface)}return e&&(r.__proto__=e),r.prototype=Object.create(e&&e.prototype),r.prototype.constructor=r,r.prototype.addFeature=function(e){for(var r=this.arrays,t=0,a=classifyRings(loadGeometry(e),EARCUT_MAX_RINGS);t<a.length;t+=1){for(var n=a[t],y=0,o=0,i=n;o<i.length;o+=1){var l=i[o];y+=l.length}for(var p=r.prepareSegment(5*y),u=[],c=[],x=[],s=0,d=n;s<d.length;s+=1){var h=d[s];if(0!==h.length){h!==n[0]&&c.push(u.length/2);for(var m=0,f=0;f<h.length;f++){var A=h[f];if(addVertex(r.layoutVertexArray,A.x,A.y,0,0,1,1,0),x.push(p.vertexLength++),f>=1){var g=h[f-1];if(!isBoundaryEdge(A,g)){var _=A.sub(g)._perp()._unit();addVertex(r.layoutVertexArray,A.x,A.y,_.x,_.y,0,0,m),addVertex(r.layoutVertexArray,A.x,A.y,_.x,_.y,0,1,m),m+=g.dist(A),addVertex(r.layoutVertexArray,g.x,g.y,_.x,_.y,0,0,m),addVertex(r.layoutVertexArray,g.x,g.y,_.x,_.y,0,1,m);var v=p.vertexLength;r.elementArray.emplaceBack(v,v+1,v+2),r.elementArray.emplaceBack(v+1,v+2,v+3),p.vertexLength+=4,p.primitiveLength+=2}}u.push(A.x),u.push(A.y)}}}for(var T=earcut(u,c),E=0;E<T.length;E+=3)r.elementArray.emplaceBack(x[T[E]],x[T[E+1]],x[T[E+2]]);p.primitiveLength+=T.length/3}r.populatePaintArrays(e.properties)},r}(Bucket);module.exports=FillExtrusionBucket;
+},{"../../util/classify_rings":110,"../bucket":2,"../element_array_type":10,"../extent":11,"../load_geometry":13,"../vertex_array_type":17,"earcut":131}],6:[function(require,module,exports){
+"use strict";function addLineVertex(e,t,r,i,a,n,d){e.emplaceBack(t.x<<1|i,t.y<<1|a,Math.round(EXTRUDE_SCALE*r.x)+128,Math.round(EXTRUDE_SCALE*r.y)+128,(0===n?0:n<0?-1:1)+1|(d*LINE_DISTANCE_SCALE&63)<<2,d*LINE_DISTANCE_SCALE>>6)}var Bucket=require("../bucket"),createVertexArrayType=require("../vertex_array_type"),createElementArrayType=require("../element_array_type"),loadGeometry=require("../load_geometry"),EXTENT=require("../extent"),EXTRUDE_SCALE=63,COS_HALF_SHARP_CORNER=Math.cos(37.5*(Math.PI/180)),SHARP_CORNER_OFFSET=15,LINE_DISTANCE_BUFFER_BITS=15,LINE_DISTANCE_SCALE=.5,MAX_LINE_DISTANCE=Math.pow(2,LINE_DISTANCE_BUFFER_BITS-1)/LINE_DISTANCE_SCALE,lineInterface={layoutVertexArrayType:createVertexArrayType([{name:"a_pos",components:2,type:"Int16"},{name:"a_data",components:4,type:"Uint8"}]),paintAttributes:[{property:"line-color",type:"Uint8"}],elementArrayType:createElementArrayType()},LineBucket=function(e){function t(t){e.call(this,t,lineInterface)}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype.addFeature=function(e){for(var t=this,r=this.layers[0].layout,i=r["line-join"],a=r["line-cap"],n=r["line-miter-limit"],d=r["line-round-limit"],s=0,u=loadGeometry(e,LINE_DISTANCE_BUFFER_BITS);s<u.length;s+=1){var l=u[s];t.addLine(l,e.properties,i,a,n,d)}},t.prototype.addLine=function(e,t,r,i,a,n){for(var d=this,s=e.length;s>2&&e[s-1].equals(e[s-2]);)s--;if(!(e.length<2)){"bevel"===r&&(a=1.05);var u=SHARP_CORNER_OFFSET*(EXTENT/(512*this.overscaling)),l=e[0],o=e[s-1],c=l.equals(o),_=this.arrays,h=_.prepareSegment(10*s);if(2!==s||!c){this.distance=0;var p,y,E,m,x,C,A,v=i,f=c?"butt":i,L=!0;this.e1=this.e2=this.e3=-1,c&&(p=e[s-2],x=l.sub(p)._unit()._perp());for(var S=0;S<s;S++)if(E=c&&S===s-1?e[1]:e[S+1],!E||!e[S].equals(E)){x&&(m=x),p&&(y=p),p=e[S],x=E?E.sub(p)._unit()._perp():m,m=m||x;var V=m.add(x)._unit(),T=V.x*x.x+V.y*x.y,I=1/T,N=T<COS_HALF_SHARP_CORNER&&y&&E;if(N&&S>0){var b=p.dist(y);if(b>2*u){var R=p.sub(p.sub(y)._mult(u/b)._round());d.distance+=R.dist(y),d.addCurrentVertex(R,d.distance,m.mult(1),0,0,!1,h),y=R}}var g=y&&E,B=g?r:E?v:f;if(g&&"round"===B&&(I<n?B="miter":I<=2&&(B="fakeround")),"miter"===B&&I>a&&(B="bevel"),"bevel"===B&&(I>2&&(B="flipbevel"),I<a&&(B="miter")),y&&(d.distance+=p.dist(y)),"miter"===B)V._mult(I),d.addCurrentVertex(p,d.distance,V,0,0,!1,h);else if("flipbevel"===B){if(I>100)V=x.clone();else{var F=m.x*x.y-m.y*x.x>0?-1:1,k=I*m.add(x).mag()/m.sub(x).mag();V._perp()._mult(k*F)}d.addCurrentVertex(p,d.distance,V,0,0,!1,h),d.addCurrentVertex(p,d.distance,V.mult(-1),0,0,!1,h)}else if("bevel"===B||"fakeround"===B){var D=m.x*x.y-m.y*x.x>0,q=-Math.sqrt(I*I-1);if(D?(A=0,C=q):(C=0,A=q),L||d.addCurrentVertex(p,d.distance,m,C,A,!1,h),"fakeround"===B){for(var P,M=Math.floor(8*(.5-(T-.5))),O=0;O<M;O++)P=x.mult((O+1)/(M+1))._add(m)._unit(),d.addPieSliceVertex(p,d.distance,P,D,h);d.addPieSliceVertex(p,d.distance,V,D,h);for(var U=M-1;U>=0;U--)P=m.mult((U+1)/(M+1))._add(x)._unit(),d.addPieSliceVertex(p,d.distance,P,D,h)}E&&d.addCurrentVertex(p,d.distance,x,-C,-A,!1,h)}else"butt"===B?(L||d.addCurrentVertex(p,d.distance,m,0,0,!1,h),E&&d.addCurrentVertex(p,d.distance,x,0,0,!1,h)):"square"===B?(L||(d.addCurrentVertex(p,d.distance,m,1,1,!1,h),d.e1=d.e2=-1),E&&d.addCurrentVertex(p,d.distance,x,-1,-1,!1,h)):"round"===B&&(L||(d.addCurrentVertex(p,d.distance,m,0,0,!1,h),d.addCurrentVertex(p,d.distance,m,1,1,!0,h),d.e1=d.e2=-1),E&&(d.addCurrentVertex(p,d.distance,x,-1,-1,!0,h),d.addCurrentVertex(p,d.distance,x,0,0,!1,h)));if(N&&S<s-1){var X=p.dist(E);if(X>2*u){var H=p.add(E.sub(p)._mult(u/X)._round());d.distance+=H.dist(p),d.addCurrentVertex(H,d.distance,x.mult(1),0,0,!1,h),p=H}}L=!1}_.populatePaintArrays(t)}}},t.prototype.addCurrentVertex=function(e,t,r,i,a,n,d){var s,u=n?1:0,l=this.arrays,o=l.layoutVertexArray,c=l.elementArray;s=r.clone(),i&&s._sub(r.perp()._mult(i)),addLineVertex(o,e,s,u,0,i,t),this.e3=d.vertexLength++,this.e1>=0&&this.e2>=0&&(c.emplaceBack(this.e1,this.e2,this.e3),d.primitiveLength++),this.e1=this.e2,this.e2=this.e3,s=r.mult(-1),a&&s._sub(r.perp()._mult(a)),addLineVertex(o,e,s,u,1,-a,t),this.e3=d.vertexLength++,this.e1>=0&&this.e2>=0&&(c.emplaceBack(this.e1,this.e2,this.e3),d.primitiveLength++),this.e1=this.e2,this.e2=this.e3,t>MAX_LINE_DISTANCE/2&&(this.distance=0,this.addCurrentVertex(e,this.distance,r,i,a,n,d))},t.prototype.addPieSliceVertex=function(e,t,r,i,a){var n=i?1:0;r=r.mult(i?-1:1);var d=this.arrays,s=d.layoutVertexArray,u=d.elementArray;addLineVertex(s,e,r,0,n,0,t),this.e3=a.vertexLength++,this.e1>=0&&this.e2>=0&&(u.emplaceBack(this.e1,this.e2,this.e3),a.primitiveLength++),i?this.e2=this.e3:this.e1=this.e3},t}(Bucket);module.exports=LineBucket;
+},{"../bucket":2,"../element_array_type":10,"../extent":11,"../load_geometry":13,"../vertex_array_type":17}],7:[function(require,module,exports){
+"use strict";function addVertex(e,t,o,a,r,n,i,s,l,c,y){e.emplaceBack(t,o,Math.round(64*a),Math.round(64*r),n/4,i/4,10*(c||0),y,10*(s||0),10*Math.min(l||25,25))}function addCollisionBoxVertex(e,t,o,a,r){return e.emplaceBack(t.x,t.y,Math.round(o.x),Math.round(o.y),10*a,10*r)}var Point=require("point-geometry"),ArrayGroup=require("../array_group"),BufferGroup=require("../buffer_group"),createVertexArrayType=require("../vertex_array_type"),createElementArrayType=require("../element_array_type"),EXTENT=require("../extent"),Anchor=require("../../symbol/anchor"),getAnchors=require("../../symbol/get_anchors"),resolveTokens=require("../../util/token"),Quads=require("../../symbol/quads"),Shaping=require("../../symbol/shaping"),resolveText=require("../../symbol/resolve_text"),mergeLines=require("../../symbol/mergelines"),clipLine=require("../../symbol/clip_line"),util=require("../../util/util"),scriptDetection=require("../../util/script_detection"),loadGeometry=require("../load_geometry"),CollisionFeature=require("../../symbol/collision_feature"),findPoleOfInaccessibility=require("../../util/find_pole_of_inaccessibility"),classifyRings=require("../../util/classify_rings"),shapeText=Shaping.shapeText,shapeIcon=Shaping.shapeIcon,WritingMode=Shaping.WritingMode,getGlyphQuads=Quads.getGlyphQuads,getIconQuads=Quads.getIconQuads,elementArrayType=createElementArrayType(),layoutVertexArrayType=createVertexArrayType([{name:"a_pos",components:2,type:"Int16"},{name:"a_offset",components:2,type:"Int16"},{name:"a_texture_pos",components:2,type:"Uint16"},{name:"a_data",components:4,type:"Uint8"}]),symbolInterfaces={glyph:{layoutVertexArrayType:layoutVertexArrayType,elementArrayType:elementArrayType},icon:{layoutVertexArrayType:layoutVertexArrayType,elementArrayType:elementArrayType},collisionBox:{layoutVertexArrayType:createVertexArrayType([{name:"a_pos",components:2,type:"Int16"},{name:"a_extrude",components:2,type:"Int16"},{name:"a_data",components:2,type:"Uint8"}]),elementArrayType:createElementArrayType(2)}},SymbolBucket=function(e){var t=this;if(this.collisionBoxArray=e.collisionBoxArray,this.symbolQuadsArray=e.symbolQuadsArray,this.symbolInstancesArray=e.symbolInstancesArray,this.zoom=e.zoom,this.overscaling=e.overscaling,this.layers=e.layers,this.index=e.index,this.sdfIcons=e.sdfIcons,this.iconsNeedLinear=e.iconsNeedLinear,this.adjustedTextSize=e.adjustedTextSize,this.adjustedIconSize=e.adjustedIconSize,this.fontstack=e.fontstack,e.arrays){this.buffers={};for(var o in e.arrays)e.arrays[o]&&(t.buffers[o]=new BufferGroup(symbolInterfaces[o],e.layers,e.zoom,e.arrays[o]))}};SymbolBucket.prototype.populate=function(e,t){var o=this,a=this.layers[0].layout,r=a["text-field"],n=a["text-font"],i=a["icon-image"],s=r&&n,l=i;if(this.features=[],s||l){for(var c=t.iconDependencies,y=t.glyphDependencies,d=y[n]=y[n]||{},h=0;h<e.length;h++){var x=e[h];if(o.layers[0].filter(x)){var u;s&&(u=resolveText(x,a));var m;if(l&&(m=resolveTokens(x.properties,i)),(u||m)&&(o.features.push({text:u,icon:m,index:h,sourceLayerIndex:x.sourceLayerIndex,geometry:loadGeometry(x),properties:x.properties}),m&&(c[m]=!0),u))for(var p=0;p<u.length;p++)d[u.charCodeAt(p)]=!0}}"line"===a["symbol-placement"]&&(this.features=mergeLines(this.features))}},SymbolBucket.prototype.isEmpty=function(){return this.arrays.icon.isEmpty()&&this.arrays.glyph.isEmpty()&&this.arrays.collisionBox.isEmpty()},SymbolBucket.prototype.serialize=function(e){return{zoom:this.zoom,layerIds:this.layers.map(function(e){return e.id}),sdfIcons:this.sdfIcons,iconsNeedLinear:this.iconsNeedLinear,adjustedTextSize:this.adjustedTextSize,adjustedIconSize:this.adjustedIconSize,fontstack:this.fontstack,arrays:util.mapObject(this.arrays,function(t){return t.isEmpty()?null:t.serialize(e)})}},SymbolBucket.prototype.destroy=function(){this.buffers&&(this.buffers.icon&&this.buffers.icon.destroy(),this.buffers.glyph&&this.buffers.glyph.destroy(),this.buffers.collisionBox&&this.buffers.collisionBox.destroy(),this.buffers=null)},SymbolBucket.prototype.createArrays=function(){var e=this;this.arrays=util.mapObject(symbolInterfaces,function(t){return new ArrayGroup(t,e.layers,e.zoom)})},SymbolBucket.prototype.prepare=function(e,t){var o=this;this.createArrays(),this.adjustedTextMaxSize=this.layers[0].getLayoutValue("text-size",{zoom:18}),this.adjustedTextSize=this.layers[0].getLayoutValue("text-size",{zoom:this.zoom+1}),this.adjustedIconMaxSize=this.layers[0].getLayoutValue("icon-size",{zoom:18}),this.adjustedIconSize=this.layers[0].getLayoutValue("icon-size",{zoom:this.zoom+1});var a=512*this.overscaling;this.tilePixelRatio=EXTENT/a,this.compareText={},this.iconsNeedLinear=!1,this.symbolInstancesStartIndex=this.symbolInstancesArray.length;var r=this.layers[0].layout,n=.5,i=.5;switch(r["text-anchor"]){case"right":case"top-right":case"bottom-right":n=1;break;case"left":case"top-left":case"bottom-left":n=0}switch(r["text-anchor"]){case"bottom":case"bottom-right":case"bottom-left":i=1;break;case"top":case"top-right":case"top-left":i=0}for(var s="right"===r["text-justify"]?1:"left"===r["text-justify"]?0:.5,l=24,c=r["text-line-height"]*l,y="line"!==r["symbol-placement"]?r["text-max-width"]*l:0,d=r["text-letter-spacing"]*l,h=[r["text-offset"][0]*l,r["text-offset"][1]*l],x=this.fontstack=r["text-font"].join(","),u="map"===r["text-rotation-alignment"]&&"line"===r["symbol-placement"],m=0,p=this.features;m<p.length;m+=1){var g,f=p[m];if(f.text){var b=scriptDetection.allowsVerticalWritingMode(f.text);g={},g[WritingMode.horizontal]=shapeText(f.text,e[x],y,c,n,i,s,d,h,l,WritingMode.horizontal),g[WritingMode.vertical]=b&&u&&shapeText(f.text,e[x],y,c,n,i,s,d,h,l,WritingMode.vertical)}else g={};var I;if(f.icon){var S=t[f.icon];I=shapeIcon(S,r),S&&(void 0===o.sdfIcons?o.sdfIcons=S.sdf:o.sdfIcons!==S.sdf&&util.warnOnce("Style sheet warning: Cannot mix SDF and non-SDF icons in one buffer"),1!==S.pixelRatio?o.iconsNeedLinear=!0:0===r["icon-rotate"]&&o.layers[0].isLayoutValueFeatureConstant("icon-rotate")||(o.iconsNeedLinear=!0))}(g[WritingMode.horizontal]||I)&&o.addFeature(f,g,I)}this.symbolInstancesEndIndex=this.symbolInstancesArray.length},SymbolBucket.prototype.addFeature=function(e,t,o){var a=this,r=e.geometry,n=this.layers[0].layout,i=24,s=this.adjustedTextSize/i,l=void 0!==this.adjustedTextMaxSize?this.adjustedTextMaxSize:this.adjustedTextSize,c=this.tilePixelRatio*s,y=this.tilePixelRatio*l/i,d=this.tilePixelRatio*this.adjustedIconSize,h=this.tilePixelRatio*n["symbol-spacing"],x=n["symbol-avoid-edges"],u=n["text-padding"]*this.tilePixelRatio,m=n["icon-padding"]*this.tilePixelRatio,p=n["text-max-angle"]/180*Math.PI,g="map"===n["text-rotation-alignment"]&&"line"===n["symbol-placement"],f="map"===n["icon-rotation-alignment"]&&"line"===n["symbol-placement"],b=n["text-allow-overlap"]||n["icon-allow-overlap"]||n["text-ignore-placement"]||n["icon-ignore-placement"],I=n["symbol-placement"],S="line"===I,v=h/2,A=null;A=S?clipLine(r,0,0,EXTENT,EXTENT):classifyRings(r,0);for(var M=0;M<A.length;M++){var B=null,T=A[M],z=null;S?(z=T,B=getAnchors(z,h,p,t[WritingMode.vertical]||t[WritingMode.horizontal],o,i,y,a.overscaling,EXTENT)):(z=T[0],B=a.findPolygonAnchors(T));for(var k=0,E=B.length;k<E;k++){var P=B[k];if(!(t[WritingMode.horizontal]&&S&&a.anchorIsTooClose(t[WritingMode.horizontal].text,v,P))){var _=!(P.x<0||P.x>EXTENT||P.y<0||P.y>EXTENT);if(!x||_){var w=_||b;a.addSymbolInstance(P,z,t,o,a.layers[0],w,a.symbolInstancesArray.length,a.collisionBoxArray,e.index,e.sourceLayerIndex,a.index,c,u,g,d,m,f,{zoom:a.zoom},e.properties)}}}}},SymbolBucket.prototype.findPolygonAnchors=function(e){var t=e[0];if(0===t.length)return[];if(t.length<3||!util.isClosedPolygon(t))return[new Anchor(t[0].x,t[0].y,0)];var o=null,a=findPoleOfInaccessibility(e,16);return o=[new Anchor(a.x,a.y,0)]},SymbolBucket.prototype.anchorIsTooClose=function(e,t,o){var a=this.compareText;if(e in a){for(var r=a[e],n=r.length-1;n>=0;n--)if(o.dist(r[n])<t)return!0}else a[e]=[];return a[e].push(o),!1},SymbolBucket.prototype.place=function(e,t){var o=this;this.createArrays();var a=this.layers[0].layout,r=e.maxScale,n="map"===a["text-rotation-alignment"]&&"line"===a["symbol-placement"],i="map"===a["icon-rotation-alignment"]&&"line"===a["symbol-placement"],s=a["text-allow-overlap"]||a["icon-allow-overlap"]||a["text-ignore-placement"]||a["icon-ignore-placement"];if(s){var l=this.symbolInstancesArray.toArray(this.symbolInstancesStartIndex,this.symbolInstancesEndIndex),c=e.angle,y=Math.sin(c),d=Math.cos(c);this.sortedSymbolInstances=l.sort(function(e,t){var o=y*e.anchorPointX+d*e.anchorPointY|0,a=y*t.anchorPointX+d*t.anchorPointY|0;return o-a||t.index-e.index})}for(var h=this.symbolInstancesStartIndex;h<this.symbolInstancesEndIndex;h++){var x=o.sortedSymbolInstances?o.sortedSymbolInstances[h-o.symbolInstancesStartIndex]:o.symbolInstancesArray.get(h),u={boxStartIndex:x.textBoxStartIndex,boxEndIndex:x.textBoxEndIndex},m={boxStartIndex:x.iconBoxStartIndex,boxEndIndex:x.iconBoxEndIndex},p=!(x.textBoxStartIndex===x.textBoxEndIndex),g=!(x.iconBoxStartIndex===x.iconBoxEndIndex),f=a["text-optional"]||!p,b=a["icon-optional"]||!g,I=p?e.placeCollisionFeature(u,a["text-allow-overlap"],a["symbol-avoid-edges"]):e.minScale,S=g?e.placeCollisionFeature(m,a["icon-allow-overlap"],a["symbol-avoid-edges"]):e.minScale;f||b?!b&&I?I=Math.max(S,I):!f&&S&&(S=Math.max(S,I)):S=I=Math.max(S,I),p&&(e.insertCollisionFeature(u,I,a["text-ignore-placement"]),I<=r&&o.addSymbols(o.arrays.glyph,x.glyphQuadStartIndex,x.glyphQuadEndIndex,I,a["text-keep-upright"],n,e.angle,x.writingModes)),g&&(e.insertCollisionFeature(m,S,a["icon-ignore-placement"]),S<=r&&o.addSymbols(o.arrays.icon,x.iconQuadStartIndex,x.iconQuadEndIndex,S,a["icon-keep-upright"],i,e.angle))}t&&this.addToDebugBuffers(e)},SymbolBucket.prototype.addSymbols=function(e,t,o,a,r,n,i,s){for(var l=this,c=e.elementArray,y=e.layoutVertexArray,d=this.zoom,h=Math.max(Math.log(a)/Math.LN2+d,0),x=t;x<o;x++){var u=l.symbolQuadsArray.get(x).SymbolQuad,m=(u.anchorAngle+i+Math.PI)%(2*Math.PI);if(s&WritingMode.vertical){if(n&&u.writingMode===WritingMode.vertical){if(r&&n&&m<=5*Math.PI/4||m>7*Math.PI/4)continue}else if(r&&n&&m<=3*Math.PI/4||m>5*Math.PI/4)continue}else if(r&&n&&(m<=Math.PI/2||m>3*Math.PI/2))continue;var p=u.tl,g=u.tr,f=u.bl,b=u.br,I=u.tex,S=u.anchorPoint,v=Math.max(d+Math.log(u.minScale)/Math.LN2,h),A=Math.min(d+Math.log(u.maxScale)/Math.LN2,25);if(!(A<=v)){v===h&&(v=0);var M=Math.round(u.glyphAngle/(2*Math.PI)*256),B=e.prepareSegment(4),T=B.vertexLength;addVertex(y,S.x,S.y,p.x,p.y,I.x,I.y,v,A,h,M),addVertex(y,S.x,S.y,g.x,g.y,I.x+I.w,I.y,v,A,h,M),addVertex(y,S.x,S.y,f.x,f.y,I.x,I.y+I.h,v,A,h,M),addVertex(y,S.x,S.y,b.x,b.y,I.x+I.w,I.y+I.h,v,A,h,M),c.emplaceBack(T,T+1,T+2),c.emplaceBack(T+1,T+2,T+3),B.vertexLength+=4,B.primitiveLength+=2}}},SymbolBucket.prototype.addToDebugBuffers=function(e){for(var t=this,o=this.arrays.collisionBox,a=o.layoutVertexArray,r=o.elementArray,n=-e.angle,i=e.yStretch,s=this.symbolInstancesStartIndex;s<this.symbolInstancesEndIndex;s++){var l=t.symbolInstancesArray.get(s);l.textCollisionFeature={boxStartIndex:l.textBoxStartIndex,boxEndIndex:l.textBoxEndIndex},l.iconCollisionFeature={boxStartIndex:l.iconBoxStartIndex,boxEndIndex:l.iconBoxEndIndex};for(var c=0;c<2;c++){var y=l[0===c?"textCollisionFeature":"iconCollisionFeature"];if(y)for(var d=y.boxStartIndex;d<y.boxEndIndex;d++){var h=t.collisionBoxArray.get(d),x=h.anchorPoint,u=new Point(h.x1,h.y1*i)._rotate(n),m=new Point(h.x2,h.y1*i)._rotate(n),p=new Point(h.x1,h.y2*i)._rotate(n),g=new Point(h.x2,h.y2*i)._rotate(n),f=Math.max(0,Math.min(25,t.zoom+Math.log(h.maxScale)/Math.LN2)),b=Math.max(0,Math.min(25,t.zoom+Math.log(h.placementScale)/Math.LN2)),I=o.prepareSegment(4),S=I.vertexLength;addCollisionBoxVertex(a,x,u,f,b),addCollisionBoxVertex(a,x,m,f,b),addCollisionBoxVertex(a,x,g,f,b),addCollisionBoxVertex(a,x,p,f,b),r.emplaceBack(S,S+1),r.emplaceBack(S+1,S+2),r.emplaceBack(S+2,S+3),r.emplaceBack(S+3,S),I.vertexLength+=4,I.primitiveLength+=4}}}},SymbolBucket.prototype.addSymbolInstance=function(e,t,o,a,r,n,i,s,l,c,y,d,h,x,u,m,p,g,f){var b,I,S,v=this,A=[];for(var M in o){var B=parseInt(M,10);o[B]&&(A=A.concat(n?getGlyphQuads(e,o[B],d,t,r,x,B):[]),b=new CollisionFeature(s,t,e,l,c,y,o[B],d,h,x,!1))}var T=this.symbolQuadsArray.length;if(A&&A.length)for(var z=0;z<A.length;z++)v.addSymbolQuad(A[z]);var k=this.symbolQuadsArray.length,E=b?b.boxStartIndex:this.collisionBoxArray.length,P=b?b.boxEndIndex:this.collisionBoxArray.length;a&&(S=n?getIconQuads(e,a,u,t,r,p,o[WritingMode.horizontal],g,f):[],I=new CollisionFeature(s,t,e,l,c,y,a,u,m,p,!0));var _=this.symbolQuadsArray.length;S&&1===S.length&&this.addSymbolQuad(S[0]);var w=this.symbolQuadsArray.length,L=I?I.boxStartIndex:this.collisionBoxArray.length,Q=I?I.boxEndIndex:this.collisionBoxArray.length;w>SymbolBucket.MAX_QUADS&&util.warnOnce("Too many symbols being rendered in a tile. See https://github.com/mapbox/mapbox-gl-js/issues/2907"),k>SymbolBucket.MAX_QUADS&&util.warnOnce("Too many glyphs being rendered in a tile. See https://github.com/mapbox/mapbox-gl-js/issues/2907");var V=(o[WritingMode.vertical]?WritingMode.vertical:0)|(o[WritingMode.horizontal]?WritingMode.horizontal:0);return this.symbolInstancesArray.emplaceBack(E,P,L,Q,T,k,_,w,e.x,e.y,i,V)},SymbolBucket.prototype.addSymbolQuad=function(e){return this.symbolQuadsArray.emplaceBack(e.anchorPoint.x,e.anchorPoint.y,e.tl.x,e.tl.y,e.tr.x,e.tr.y,e.bl.x,e.bl.y,e.br.x,e.br.y,e.tex.h,e.tex.w,e.tex.x,e.tex.y,e.anchorAngle,e.glyphAngle,e.maxScale,e.minScale,e.writingMode)},SymbolBucket.MAX_QUADS=65535,module.exports=SymbolBucket;
+},{"../../symbol/anchor":72,"../../symbol/clip_line":74,"../../symbol/collision_feature":76,"../../symbol/get_anchors":78,"../../symbol/mergelines":81,"../../symbol/quads":82,"../../symbol/resolve_text":83,"../../symbol/shaping":84,"../../util/classify_rings":110,"../../util/find_pole_of_inaccessibility":116,"../../util/script_detection":123,"../../util/token":125,"../../util/util":126,"../array_group":1,"../buffer_group":9,"../element_array_type":10,"../extent":11,"../load_geometry":13,"../vertex_array_type":17,"point-geometry":194}],8:[function(require,module,exports){
+"use strict";var AttributeType={Int8:"BYTE",Uint8:"UNSIGNED_BYTE",Int16:"SHORT",Uint16:"UNSIGNED_SHORT"},Buffer=function(e,t,r){this.arrayBuffer=e.arrayBuffer,this.length=e.length,this.attributes=t.members,this.itemSize=t.bytesPerElement,this.type=r,this.arrayType=t};Buffer.fromStructArray=function(e,t){return new Buffer(e.serialize(),e.constructor.serialize(),t)},Buffer.prototype.bind=function(e){var t=e[this.type];this.buffer?e.bindBuffer(t,this.buffer):(this.gl=e,this.buffer=e.createBuffer(),e.bindBuffer(t,this.buffer),e.bufferData(t,this.arrayBuffer,e.STATIC_DRAW),this.arrayBuffer=null)},Buffer.prototype.setVertexAttribPointers=function(e,t,r){for(var f=this,i=0;i<this.attributes.length;i++){var u=f.attributes[i],s=t[u.name];void 0!==s&&e.vertexAttribPointer(s,u.components,e[AttributeType[u.type]],!1,f.arrayType.bytesPerElement,u.offset+(f.arrayType.bytesPerElement*r||0))}},Buffer.prototype.destroy=function(){this.buffer&&this.gl.deleteBuffer(this.buffer)},Buffer.BufferType={VERTEX:"ARRAY_BUFFER",ELEMENT:"ELEMENT_ARRAY_BUFFER"},module.exports=Buffer;
+},{}],9:[function(require,module,exports){
+"use strict";var util=require("../util/util"),Buffer=require("./buffer"),ProgramConfiguration=require("./program_configuration"),VertexArrayObject=require("../render/vertex_array_object"),BufferGroup=function(e,r,t,a){var f=this;this.layoutVertexBuffer=new Buffer(a.layoutVertexArray,e.layoutVertexArrayType.serialize(),Buffer.BufferType.VERTEX),a.elementArray&&(this.elementBuffer=new Buffer(a.elementArray,e.elementArrayType.serialize(),Buffer.BufferType.ELEMENT)),a.elementArray2&&(this.elementBuffer2=new Buffer(a.elementArray2,e.elementArrayType2.serialize(),Buffer.BufferType.ELEMENT)),this.layerData={};for(var i=0,n=r;i<n.length;i+=1){var u=n[i],s=a.paintVertexArrays&&a.paintVertexArrays[u.id],o=ProgramConfiguration.createDynamic(e.paintAttributes||[],u,t),y=s?new Buffer(s.array,s.type,Buffer.BufferType.VERTEX):null;f.layerData[u.id]={programConfiguration:o,paintVertexBuffer:y}}this.segments=a.segments,this.segments2=a.segments2;for(var l=0,m=[this.segments,this.segments2];l<m.length;l+=1)for(var B=m[l],h=0,p=B||[];h<p.length;h+=1){var g=p[h];g.vaos=util.mapObject(f.layerData,function(){return new VertexArrayObject})}};BufferGroup.prototype.destroy=function(){var e=this;this.layoutVertexBuffer.destroy(),this.elementBuffer&&this.elementBuffer.destroy(),this.elementBuffer2&&this.elementBuffer2.destroy();for(var r in this.layerData){var t=e.layerData[r].paintVertexBuffer;t&&t.destroy()}for(var a=0,f=[this.segments,this.segments2];a<f.length;a+=1)for(var i=f[a],n=0,u=i||[];n<u.length;n+=1){var s=u[n];for(var o in s.vaos)s.vaos[o].destroy()}},module.exports=BufferGroup;
+},{"../render/vertex_array_object":38,"../util/util":126,"./buffer":8,"./program_configuration":15}],10:[function(require,module,exports){
+"use strict";function createElementArrayType(e){return createStructArrayType({members:[{type:"Uint16",name:"vertices",components:e||3}]})}var createStructArrayType=require("../util/struct_array");module.exports=createElementArrayType;
+},{"../util/struct_array":124}],11:[function(require,module,exports){
+"use strict";module.exports=8192;
+},{}],12:[function(require,module,exports){
+"use strict";function translateDistance(e){return Math.sqrt(e[0]*e[0]+e[1]*e[1])}function topDownFeatureComparator(e,t){return t-e}function getLineWidth(e){return e["line-gap-width"]>0?e["line-gap-width"]+2*e["line-width"]:e["line-width"]}function translate(e,t,r,i,n){if(!t[0]&&!t[1])return e;t=Point.convert(t),"viewport"===r&&t._rotate(-i);for(var a=[],o=0;o<e.length;o++){for(var s=e[o],l=[],u=0;u<s.length;u++)l.push(s[u].sub(t._mult(n)));a.push(l)}return a}function offsetLine(e,t){for(var r=[],i=new Point(0,0),n=0;n<e.length;n++){for(var a=e[n],o=[],s=0;s<a.length;s++){var l=a[s-1],u=a[s],c=a[s+1],y=0===s?i:u.sub(l)._unit()._perp(),f=s===a.length-1?i:c.sub(u)._unit()._perp(),d=y._add(f)._unit(),h=d.x*f.x+d.y*f.y;d._mult(1/h),o.push(d._mult(t)._add(u))}r.push(o)}return r}var Point=require("point-geometry"),loadGeometry=require("./load_geometry"),EXTENT=require("./extent"),featureFilter=require("feature-filter"),createStructArrayType=require("../util/struct_array"),Grid=require("grid-index"),DictionaryCoder=require("../util/dictionary_coder"),vt=require("vector-tile"),Protobuf=require("pbf"),GeoJSONFeature=require("../util/vectortile_to_geojson"),arraysIntersect=require("../util/util").arraysIntersect,intersection=require("../util/intersection_tests"),multiPolygonIntersectsBufferedMultiPoint=intersection.multiPolygonIntersectsBufferedMultiPoint,multiPolygonIntersectsMultiPolygon=intersection.multiPolygonIntersectsMultiPolygon,multiPolygonIntersectsBufferedMultiLine=intersection.multiPolygonIntersectsBufferedMultiLine,FeatureIndexArray=createStructArrayType({members:[{type:"Uint32",name:"featureIndex"},{type:"Uint16",name:"sourceLayerIndex"},{type:"Uint16",name:"bucketIndex"}]}),FeatureIndex=function(e,t,r){if(e.grid){var i=e,n=t;e=i.coord,t=i.overscaling,this.grid=new Grid(i.grid),this.featureIndexArray=new FeatureIndexArray(i.featureIndexArray),this.rawTileData=n,this.bucketLayerIDs=i.bucketLayerIDs}else this.grid=new Grid(EXTENT,16,0),this.featureIndexArray=new FeatureIndexArray;this.coord=e,this.overscaling=t,this.x=e.x,this.y=e.y,this.z=e.z-Math.log(t)/Math.LN2,this.setCollisionTile(r)};FeatureIndex.prototype.insert=function(e,t){var r=this,i=this.featureIndexArray.length;this.featureIndexArray.emplaceBack(e.index,e.sourceLayerIndex,t);for(var n=loadGeometry(e),a=0;a<n.length;a++){for(var o=n[a],s=[1/0,1/0,-(1/0),-(1/0)],l=0;l<o.length;l++){var u=o[l];s[0]=Math.min(s[0],u.x),s[1]=Math.min(s[1],u.y),s[2]=Math.max(s[2],u.x),s[3]=Math.max(s[3],u.y)}r.grid.insert(i,s[0],s[1],s[2],s[3])}},FeatureIndex.prototype.setCollisionTile=function(e){this.collisionTile=e},FeatureIndex.prototype.serialize=function(e){var t=this.grid.toArrayBuffer();return e&&e.push(t),{coord:this.coord,overscaling:this.overscaling,grid:t,featureIndexArray:this.featureIndexArray.serialize(e),bucketLayerIDs:this.bucketLayerIDs}},FeatureIndex.prototype.query=function(e,t){this.vtLayers||(this.vtLayers=new vt.VectorTile(new Protobuf(this.rawTileData)).layers,this.sourceLayerCoder=new DictionaryCoder(this.vtLayers?Object.keys(this.vtLayers).sort():["_geojsonTileLayer"]));var r={},i=e.params||{},n=EXTENT/e.tileSize/e.scale,a=featureFilter(i.filter),o=0;for(var s in t){var l=t[s],u=l.paint,c=0;"line"===l.type?c=getLineWidth(u)/2+Math.abs(u["line-offset"])+translateDistance(u["line-translate"]):"fill"===l.type?c=translateDistance(u["fill-translate"]):"fill-extrusion"===l.type?c=translateDistance(u["fill-extrusion-translate"]):"circle"===l.type&&(c=u["circle-radius"]+translateDistance(u["circle-translate"])),o=Math.max(o,c*n)}for(var y=e.queryGeometry.map(function(e){return e.map(function(e){return new Point(e.x,e.y)})}),f=1/0,d=1/0,h=-(1/0),g=-(1/0),p=0;p<y.length;p++)for(var v=y[p],x=0;x<v.length;x++){var I=v[x];f=Math.min(f,I.x),d=Math.min(d,I.y),h=Math.max(h,I.x),g=Math.max(g,I.y)}var m=this.grid.query(f-o,d-o,h+o,g+o);m.sort(topDownFeatureComparator),this.filterMatching(r,m,this.featureIndexArray,y,a,i.layers,t,e.bearing,n);var L=this.collisionTile.queryRenderedSymbols(y,e.scale);return L.sort(),this.filterMatching(r,L,this.collisionTile.collisionBoxArray,y,a,i.layers,t,e.bearing,n),r},FeatureIndex.prototype.filterMatching=function(e,t,r,i,n,a,o,s,l){for(var u,c=this,y=0;y<t.length;y++){var f=t[y];if(f!==u){u=f;var d=r.get(f),h=c.bucketLayerIDs[d.bucketIndex];if(!a||arraysIntersect(a,h)){var g=c.sourceLayerCoder.decode(d.sourceLayerIndex),p=c.vtLayers[g],v=p.feature(d.featureIndex);if(n(v))for(var x=null,I=0;I<h.length;I++){var m=h[I];if(!(a&&a.indexOf(m)<0)){var L=o[m];if(L){var M;if("symbol"!==L.type){x||(x=loadGeometry(v));var P=L.paint;if("line"===L.type){M=translate(i,P["line-translate"],P["line-translate-anchor"],s,l);var b=getLineWidth(P)/2*l;if(P["line-offset"]&&(x=offsetLine(x,P["line-offset"]*l)),!multiPolygonIntersectsBufferedMultiLine(M,x,b))continue}else if("fill"===L.type||"fill-extrusion"===L.type){var w=L.type;if(M=translate(i,P[w+"-translate"],P[w+"-translate-anchor"],s,l),!multiPolygonIntersectsMultiPolygon(M,x))continue}else if("circle"===L.type){M=translate(i,P["circle-translate"],P["circle-translate-anchor"],s,l);var _=P["circle-radius"]*l;if(!multiPolygonIntersectsBufferedMultiPoint(M,x,_))continue}}var q=new GeoJSONFeature(v,c.z,c.x,c.y);q.layer=L.serialize();var T=e[m];void 0===T&&(T=e[m]=[]),T.push(q)}}}}}}},module.exports=FeatureIndex;
+},{"../util/dictionary_coder":112,"../util/intersection_tests":119,"../util/struct_array":124,"../util/util":126,"../util/vectortile_to_geojson":127,"./extent":11,"./load_geometry":13,"feature-filter":133,"grid-index":154,"pbf":193,"point-geometry":194,"vector-tile":204}],13:[function(require,module,exports){
+"use strict";function createBounds(e){return{min:-1*Math.pow(2,e-1),max:Math.pow(2,e-1)-1}}var util=require("../util/util"),EXTENT=require("./extent"),boundsLookup={15:createBounds(15),16:createBounds(16)};module.exports=function(e,t){for(var r=boundsLookup[t||16],o=EXTENT/e.extent,u=e.loadGeometry(),n=0;n<u.length;n++)for(var a=u[n],i=0;i<a.length;i++){var d=a[i];d.x=Math.round(d.x*o),d.y=Math.round(d.y*o),(d.x<r.min||d.x>r.max||d.y<r.min||d.y>r.max)&&util.warnOnce("Geometry exceeds allowed extent, reduce your vector tile buffer size")}return u};
+},{"../util/util":126,"./extent":11}],14:[function(require,module,exports){
+"use strict";var createStructArrayType=require("../util/struct_array"),PosArray=createStructArrayType({members:[{name:"a_pos",type:"Int16",components:2}]});module.exports=PosArray;
+},{"../util/struct_array":124}],15:[function(require,module,exports){
+"use strict";function getPaintAttributeValue(t,e,r,i){if(!t.zoomStops)return e.getPaintValue(t.property,r,i);var a=t.zoomStops.map(function(a){return e.getPaintValue(t.property,util.extend({},r,{zoom:a}),i)});return 1===a.length?a[0]:a}function normalizePaintAttribute(t,e){var r=t.property.replace(e.type+"-","").replace(/-/g,"_"),i="color"===e._paintSpecifications[t.property].type;return util.extend({name:"a_"+r,components:i?4:1,multiplier:i?255:1},t)}var createVertexArrayType=require("./vertex_array_type"),util=require("../util/util"),ProgramConfiguration=function(){this.attributes=[],this.uniforms=[],this.interpolationUniforms=[],this.pragmas={vertex:{},fragment:{}},this.cacheKey=""};ProgramConfiguration.createDynamic=function(t,e,r){for(var i=new ProgramConfiguration,a=0,n=t;a<n.length;a+=1){var o=n[a],p=normalizePaintAttribute(o,e),u=p.name.slice(2);e.isPaintValueFeatureConstant(p.property)?i.addZoomAttribute(u,p):e.isPaintValueZoomConstant(p.property)?i.addPropertyAttribute(u,p):i.addZoomAndPropertyAttribute(u,p,e,r)}return i.PaintVertexArray=createVertexArrayType(i.attributes),i},ProgramConfiguration.createStatic=function(t){for(var e=new ProgramConfiguration,r=0,i=t;r<i.length;r+=1){var a=i[r];e.addUniform(a,"u_"+a)}return e},ProgramConfiguration.prototype.addUniform=function(t,e){var r=this.getPragmas(t);r.define.push("uniform {precision} {type} "+e+";"),r.initialize.push("{precision} {type} "+t+" = "+e+";"),this.cacheKey+="/u_"+t},ProgramConfiguration.prototype.addZoomAttribute=function(t,e){this.uniforms.push(e),this.addUniform(t,e.name)},ProgramConfiguration.prototype.addPropertyAttribute=function(t,e){var r=this.getPragmas(t);this.attributes.push(e),r.define.push("varying {precision} {type} "+t+";"),r.vertex.define.push("attribute {precision} {type} "+e.name+";"),r.vertex.initialize.push(t+" = "+e.name+" / "+e.multiplier+".0;"),this.cacheKey+="/a_"+t},ProgramConfiguration.prototype.addZoomAndPropertyAttribute=function(t,e,r,i){var a=this,n=this.getPragmas(t);n.define.push("varying {precision} {type} "+t+";");for(var o=0,p=r.getPaintValueStopZoomLevels(e.property);o<p.length&&p[o]<i;)o++;var u=Math.max(0,Math.min(p.length-4,o-2)),s="u_"+t+"_t";n.vertex.define.push("uniform lowp float "+s+";"),this.interpolationUniforms.push({name:s,property:e.property,stopOffset:u});for(var m=[],f=0;f<4;f++)m.push(p[Math.min(u+f,p.length-1)]);var g=[];if(1===e.components)this.attributes.push(util.extend({},e,{components:4,zoomStops:m})),n.vertex.define.push("attribute {precision} vec4 "+e.name+";"),g.push(e.name);else for(var h=0;h<4;h++){var l=e.name+h;g.push(l),a.attributes.push(util.extend({},e,{name:l,zoomStops:[m[h]]})),n.vertex.define.push("attribute {precision} {type} "+l+";")}n.vertex.initialize.push(t+" = evaluate_zoom_function_"+e.components+"(            "+g.join(", ")+", "+s+") / "+e.multiplier+".0;"),this.cacheKey+="/z_"+t},ProgramConfiguration.prototype.getPragmas=function(t){return this.pragmas[t]||(this.pragmas[t]={define:[],initialize:[]},this.pragmas[t].fragment={define:[],initialize:[]},this.pragmas[t].vertex={define:[],initialize:[]}),this.pragmas[t]},ProgramConfiguration.prototype.applyPragmas=function(t,e){var r=this;return t.replace(/#pragma mapbox: ([\w]+) ([\w]+) ([\w]+) ([\w]+)/g,function(t,i,a,n,o){return r.pragmas[o][i].concat(r.pragmas[o][e][i]).join("\n").replace(/{type}/g,n).replace(/{precision}/g,a)})},ProgramConfiguration.prototype.populatePaintArray=function(t,e,r,i,a){var n=e.length;e.resize(r);for(var o=0,p=this.attributes;o<p.length;o+=1)for(var u=p[o],s=getPaintAttributeValue(u,t,i,a),m=n;m<r;m++){var f=e.get(m);if(4===u.components)for(var g=0;g<4;g++)f[u.name+g]=s[g]*u.multiplier;else f[u.name]=s*u.multiplier}},ProgramConfiguration.prototype.setUniforms=function(t,e,r,i){for(var a=0,n=this.uniforms;a<n.length;a+=1){var o=n[a],p=r.getPaintValue(o.property,i);4===o.components?t.uniform4fv(e[o.name],p):t.uniform1f(e[o.name],p)}for(var u=0,s=this.interpolationUniforms;u<s.length;u+=1){var m=s[u],f=r.getPaintInterpolationT(m.property,i);t.uniform1f(e[m.name],Math.max(0,Math.min(4,f-m.stopOffset)))}},module.exports=ProgramConfiguration;
+},{"../util/util":126,"./vertex_array_type":17}],16:[function(require,module,exports){
+"use strict";var createStructArrayType=require("../util/struct_array"),RasterBoundsArray=createStructArrayType({members:[{name:"a_pos",type:"Int16",components:2},{name:"a_texture_pos",type:"Int16",components:2}]});module.exports=RasterBoundsArray;
+},{"../util/struct_array":124}],17:[function(require,module,exports){
+"use strict";function createVertexArrayType(r){return createStructArrayType({members:r,alignment:4})}var createStructArrayType=require("../util/struct_array");module.exports=createVertexArrayType;
+},{"../util/struct_array":124}],18:[function(require,module,exports){
+"use strict";var Coordinate=function(o,t,n){this.column=o,this.row=t,this.zoom=n};Coordinate.prototype.clone=function(){return new Coordinate(this.column,this.row,this.zoom)},Coordinate.prototype.zoomTo=function(o){return this.clone()._zoomTo(o)},Coordinate.prototype.sub=function(o){return this.clone()._sub(o)},Coordinate.prototype._zoomTo=function(o){var t=Math.pow(2,o-this.zoom);return this.column*=t,this.row*=t,this.zoom=o,this},Coordinate.prototype._sub=function(o){return o=o.zoomTo(this.zoom),this.column-=o.column,this.row-=o.row,this},module.exports=Coordinate;
 },{}],19:[function(require,module,exports){
-"use strict";function drawDebug(r,e,a){if(!r.isOpaquePass&&r.options.debug)for(var t=0;t<a.length;t++)drawDebugTile(r,e,a[t])}function drawDebugTile(r,e,a){var t=r.gl;t.disable(t.STENCIL_TEST),r.lineWidth(1*browser.devicePixelRatio);var i=a.posMatrix,u=r.useProgram("debug");t.uniformMatrix4fv(u.u_matrix,!1,i),t.uniform4f(u.u_color,1,0,0,1),r.debugVAO.bind(t,u,r.debugBuffer),t.drawArrays(t.LINE_STRIP,0,r.debugBuffer.length);for(var o=textVertices(a.toString(),50,200,5),f=new r.PosArray,n=0;n<o.length;n+=2)f.emplaceBack(o[n],o[n+1]);var l=new Buffer(f.serialize(),r.PosArray.serialize(),Buffer.BufferType.VERTEX),s=new VertexArrayObject;s.bind(t,u,l),t.uniform4f(u.u_color,1,1,1,1);for(var b=e.getTile(a).tileSize,d=EXTENT/(Math.pow(2,r.transform.zoom-a.z)*b),g=[[-1,-1],[-1,1],[1,-1],[1,1]],m=0;m<g.length;m++){var x=g[m];t.uniformMatrix4fv(u.u_matrix,!1,mat4.translate([],i,[d*x[0],d*x[1],0])),t.drawArrays(t.LINES,0,l.length)}t.uniform4f(u.u_color,0,0,0,1),t.uniformMatrix4fv(u.u_matrix,!1,i),t.drawArrays(t.LINES,0,l.length)}var textVertices=require("../lib/debugtext"),browser=require("../util/browser"),mat4=require("gl-matrix").mat4,EXTENT=require("../data/bucket").EXTENT,Buffer=require("../data/buffer"),VertexArrayObject=require("./vertex_array_object");module.exports=drawDebug;
-},{"../data/bucket":1,"../data/buffer":6,"../lib/debugtext":13,"../util/browser":93,"./vertex_array_object":28,"gl-matrix":134}],20:[function(require,module,exports){
-"use strict";function draw(t,i,e,r){var a=t.gl;a.enable(a.STENCIL_TEST);var l=e.paint["fill-color"],n=e.paint["fill-pattern"],o=e.paint["fill-opacity"],f=e.getPaintProperty("fill-outline-color");if(n?!t.isOpaquePass:t.isOpaquePass===(1===l[3]&&1===o)){t.setDepthSublayer(1);for(var s=0;s<r.length;s++)drawFill(t,i,e,r[s])}if(!t.isOpaquePass&&e.paint["fill-antialias"]){t.lineWidth(2),t.depthMask(!1),(f||!e.paint["fill-pattern"])&&f?t.setDepthSublayer(2):t.setDepthSublayer(0);for(var u=0;u<r.length;u++)drawStroke(t,i,e,r[u])}}function drawFill(t,i,e,r){var a=i.getTile(r),l=a.getBucket(e);if(l){var n=l.bufferGroups.fill;if(n){var o,f=t.gl,s=e.paint["fill-pattern"];if(s)o=t.useProgram("pattern"),setPattern(s,e.paint["fill-opacity"],a,r,t,o),f.activeTexture(f.TEXTURE0),t.spriteAtlas.bind(f,!0);else{var u=l.paintAttributes.fill[e.id];o=t.useProgram("fill",u.defines,u.vertexPragmas,u.fragmentPragmas),l.setUniforms(f,"fill",o,e,{zoom:t.transform.zoom})}f.uniformMatrix4fv(o.u_matrix,!1,t.translatePosMatrix(r.posMatrix,a,e.paint["fill-translate"],e.paint["fill-translate-anchor"])),t.enableTileClippingMask(r);for(var p=0;p<n.length;p++){var m=n[p];m.vaos[e.id].bind(f,o,m.layout.vertex,m.layout.element,m.paint[e.id]),f.drawElements(f.TRIANGLES,m.layout.element.length,f.UNSIGNED_SHORT,0)}}}}function drawStroke(t,i,e,r){var a=i.getTile(r),l=a.getBucket(e);if(l){var n,o=t.gl,f=l.bufferGroups.fill,s=e.paint["fill-pattern"],u=e.paint["fill-opacity"],p=e.getPaintProperty("fill-outline-color");if(s&&!p)n=t.useProgram("outlinepattern"),o.uniform2f(n.u_world,o.drawingBufferWidth,o.drawingBufferHeight);else{var m=l.paintAttributes.fill[e.id];n=t.useProgram("outline",m.defines,m.vertexPragmas,m.fragmentPragmas),o.uniform2f(n.u_world,o.drawingBufferWidth,o.drawingBufferHeight),o.uniform1f(n.u_opacity,u),l.setUniforms(o,"fill",n,e,{zoom:t.transform.zoom})}o.uniformMatrix4fv(n.u_matrix,!1,t.translatePosMatrix(r.posMatrix,a,e.paint["fill-translate"],e.paint["fill-translate-anchor"])),s&&setPattern(s,u,a,r,t,n),t.enableTileClippingMask(r);for(var _=0;_<f.length;_++){var d=f[_];d.secondVaos[e.id].bind(o,n,d.layout.vertex,d.layout.element2,d.paint[e.id]),o.drawElements(o.LINES,2*d.layout.element2.length,o.UNSIGNED_SHORT,0)}}}function setPattern(t,i,e,r,a,l){var n=a.gl,o=a.spriteAtlas.getPosition(t.from,!0),f=a.spriteAtlas.getPosition(t.to,!0);if(o&&f){n.uniform1i(l.u_image,0),n.uniform2fv(l.u_pattern_tl_a,o.tl),n.uniform2fv(l.u_pattern_br_a,o.br),n.uniform2fv(l.u_pattern_tl_b,f.tl),n.uniform2fv(l.u_pattern_br_b,f.br),n.uniform1f(l.u_opacity,i),n.uniform1f(l.u_mix,t.t),n.uniform1f(l.u_tile_units_to_pixels,1/pixelsToTileUnits(e,1,a.transform.tileZoom)),n.uniform2fv(l.u_pattern_size_a,o.size),n.uniform2fv(l.u_pattern_size_b,f.size),n.uniform1f(l.u_scale_a,t.fromScale),n.uniform1f(l.u_scale_b,t.toScale);var s=e.tileSize*Math.pow(2,a.transform.tileZoom-e.coord.z),u=s*(e.coord.x+r.w*Math.pow(2,e.coord.z)),p=s*e.coord.y;n.uniform2f(l.u_pixel_coord_upper,u>>16,p>>16),n.uniform2f(l.u_pixel_coord_lower,65535&u,65535&p),n.activeTexture(n.TEXTURE0),a.spriteAtlas.bind(n,!0)}}var pixelsToTileUnits=require("../source/pixels_to_tile_units");module.exports=draw;
-},{"../source/pixels_to_tile_units":32}],21:[function(require,module,exports){
-"use strict";var browser=require("../util/browser"),mat2=require("gl-matrix").mat2,pixelsToTileUnits=require("../source/pixels_to_tile_units");module.exports=function(i,t,e,a){if(!i.isOpaquePass){i.setDepthSublayer(0),i.depthMask(!1);var r=i.gl;if(r.enable(r.STENCIL_TEST),!(e.paint["line-width"]<=0)){var n=1/browser.devicePixelRatio,o=e.paint["line-blur"]+n,f=e.paint["line-color"],u=i.transform,l=mat2.create();mat2.scale(l,l,[1,Math.cos(u._pitch)]),mat2.rotate(l,l,i.transform.angle);var s,m,_,p,h,g=Math.sqrt(u.height*u.height/4*(1+u.altitude*u.altitude)),d=u.height/2*Math.tan(u._pitch),v=(g+d)/g-1,c=e.paint["line-dasharray"],x=e.paint["line-pattern"];if(c)s=i.useProgram("linesdfpattern"),r.uniform1f(s.u_linewidth,e.paint["line-width"]/2),r.uniform1f(s.u_gapwidth,e.paint["line-gap-width"]/2),r.uniform1f(s.u_antialiasing,n/2),r.uniform1f(s.u_blur,o),r.uniform4fv(s.u_color,f),r.uniform1f(s.u_opacity,e.paint["line-opacity"]),m=i.lineAtlas.getDash(c.from,"round"===e.layout["line-cap"]),_=i.lineAtlas.getDash(c.to,"round"===e.layout["line-cap"]),r.uniform1i(s.u_image,0),r.activeTexture(r.TEXTURE0),i.lineAtlas.bind(r),r.uniform1f(s.u_tex_y_a,m.y),r.uniform1f(s.u_tex_y_b,_.y),r.uniform1f(s.u_mix,c.t),r.uniform1f(s.u_extra,v),r.uniform1f(s.u_offset,-e.paint["line-offset"]),r.uniformMatrix2fv(s.u_antialiasingmatrix,!1,l);else if(x){if(p=i.spriteAtlas.getPosition(x.from,!0),h=i.spriteAtlas.getPosition(x.to,!0),!p||!h)return;s=i.useProgram("linepattern"),r.uniform1i(s.u_image,0),r.activeTexture(r.TEXTURE0),i.spriteAtlas.bind(r,!0),r.uniform1f(s.u_linewidth,e.paint["line-width"]/2),r.uniform1f(s.u_gapwidth,e.paint["line-gap-width"]/2),r.uniform1f(s.u_antialiasing,n/2),r.uniform1f(s.u_blur,o),r.uniform2fv(s.u_pattern_tl_a,p.tl),r.uniform2fv(s.u_pattern_br_a,p.br),r.uniform2fv(s.u_pattern_tl_b,h.tl),r.uniform2fv(s.u_pattern_br_b,h.br),r.uniform1f(s.u_fade,x.t),r.uniform1f(s.u_opacity,e.paint["line-opacity"]),r.uniform1f(s.u_extra,v),r.uniform1f(s.u_offset,-e.paint["line-offset"]),r.uniformMatrix2fv(s.u_antialiasingmatrix,!1,l)}else s=i.useProgram("line"),r.uniform1f(s.u_linewidth,e.paint["line-width"]/2),r.uniform1f(s.u_gapwidth,e.paint["line-gap-width"]/2),r.uniform1f(s.u_antialiasing,n/2),r.uniform1f(s.u_blur,o),r.uniform1f(s.u_extra,v),r.uniform1f(s.u_offset,-e.paint["line-offset"]),r.uniformMatrix2fv(s.u_antialiasingmatrix,!1,l),r.uniform4fv(s.u_color,f),r.uniform1f(s.u_opacity,e.paint["line-opacity"]);for(var T=0;T<a.length;T++){var b=a[T],w=t.getTile(b),y=w.getBucket(e);if(y){var M=y.bufferGroups.line;if(M){i.enableTileClippingMask(b);var S=i.translatePosMatrix(b.posMatrix,w,e.paint["line-translate"],e.paint["line-translate-anchor"]);r.uniformMatrix4fv(s.u_matrix,!1,S);var E=1/pixelsToTileUnits(w,1,i.transform.zoom);if(c){var P=m.width*c.fromScale,U=_.width*c.toScale,A=[1/pixelsToTileUnits(w,P,i.transform.tileZoom),-m.height/2],z=[1/pixelsToTileUnits(w,U,i.transform.tileZoom),-_.height/2],R=i.lineAtlas.width/(256*Math.min(P,U)*browser.devicePixelRatio)/2;r.uniform1f(s.u_ratio,E),r.uniform2fv(s.u_patternscale_a,A),r.uniform2fv(s.u_patternscale_b,z),r.uniform1f(s.u_sdfgamma,R)}else x?(r.uniform1f(s.u_ratio,E),r.uniform2fv(s.u_pattern_size_a,[pixelsToTileUnits(w,p.size[0]*x.fromScale,i.transform.tileZoom),h.size[1]]),r.uniform2fv(s.u_pattern_size_b,[pixelsToTileUnits(w,h.size[0]*x.toScale,i.transform.tileZoom),h.size[1]])):r.uniform1f(s.u_ratio,E);for(var q=0;q<M.length;q++){var D=M[q];D.vaos[e.id].bind(r,s,D.layout.vertex,D.layout.element),r.drawElements(r.TRIANGLES,3*D.layout.element.length,r.UNSIGNED_SHORT,0)}}}}}}};
-},{"../source/pixels_to_tile_units":32,"../util/browser":93,"gl-matrix":134}],22:[function(require,module,exports){
-"use strict";function drawRaster(r,t,a,e){if(!r.isOpaquePass){var i=r.gl;i.enable(i.DEPTH_TEST),r.depthMask(!0),i.depthFunc(i.LESS);for(var n=e.length&&e[0].z,u=0;u<e.length;u++){var o=e[u];r.setDepthSublayer(o.z-n),drawRasterTile(r,t,a,o)}i.depthFunc(i.LEQUAL)}}function drawRasterTile(r,t,a,e){var i=r.gl;i.disable(i.STENCIL_TEST);var n=t.getTile(e),u=r.transform.calculatePosMatrix(e,t.maxzoom),o=r.useProgram("raster");i.uniformMatrix4fv(o.u_matrix,!1,u),i.uniform1f(o.u_brightness_low,a.paint["raster-brightness-min"]),i.uniform1f(o.u_brightness_high,a.paint["raster-brightness-max"]),i.uniform1f(o.u_saturation_factor,saturationFactor(a.paint["raster-saturation"])),i.uniform1f(o.u_contrast_factor,contrastFactor(a.paint["raster-contrast"])),i.uniform3fv(o.u_spin_weights,spinWeights(a.paint["raster-hue-rotate"]));var s,c,f=n.source&&n.source._pyramid.findLoadedParent(e,0,{}),d=getOpacities(n,f,a,r.transform);i.activeTexture(i.TEXTURE0),i.bindTexture(i.TEXTURE_2D,n.texture),i.activeTexture(i.TEXTURE1),f?(i.bindTexture(i.TEXTURE_2D,f.texture),s=Math.pow(2,f.coord.z-n.coord.z),c=[n.coord.x*s%1,n.coord.y*s%1]):(i.bindTexture(i.TEXTURE_2D,n.texture),d[1]=0),i.uniform2fv(o.u_tl_parent,c||[0,0]),i.uniform1f(o.u_scale_parent,s||1),i.uniform1f(o.u_buffer_scale,1),i.uniform1f(o.u_opacity0,d[0]),i.uniform1f(o.u_opacity1,d[1]),i.uniform1i(o.u_image0,0),i.uniform1i(o.u_image1,1);var m=n.boundsBuffer||r.rasterBoundsBuffer,p=n.boundsVAO||r.rasterBoundsVAO;p.bind(i,o,m),i.drawArrays(i.TRIANGLE_STRIP,0,m.length)}function spinWeights(r){r*=Math.PI/180;var t=Math.sin(r),a=Math.cos(r);return[(2*a+1)/3,(-Math.sqrt(3)*t-a+1)/3,(Math.sqrt(3)*t-a+1)/3]}function contrastFactor(r){return r>0?1/(1-r):1+r}function saturationFactor(r){return r>0?1-1/(1.001-r):-r}function getOpacities(r,t,a,e){var i=[1,0],n=a.paint["raster-fade-duration"];if(r.source&&n>0){var u=(new Date).getTime(),o=(u-r.timeAdded)/n,s=t?(u-t.timeAdded)/n:-1,c=r.source._pyramid.coveringZoomLevel(e),f=t?Math.abs(t.coord.z-c)>Math.abs(r.coord.z-c):!1;!t||f?(i[0]=util.clamp(o,0,1),i[1]=1-i[0]):(i[0]=util.clamp(1-s,0,1),i[1]=1-i[0])}var d=a.paint["raster-opacity"];return i[0]*=d,i[1]*=d,i}var util=require("../util/util"),StructArrayType=require("../util/struct_array");module.exports=drawRaster,drawRaster.RasterBoundsArray=new StructArrayType({members:[{name:"a_pos",type:"Int16",components:2},{name:"a_texture_pos",type:"Int16",components:2}]});
-},{"../util/struct_array":106,"../util/util":108}],23:[function(require,module,exports){
-"use strict";function drawSymbols(t,e,i,a){if(!t.isOpaquePass){var o=!(i.layout["text-allow-overlap"]||i.layout["icon-allow-overlap"]||i.layout["text-ignore-placement"]||i.layout["icon-ignore-placement"]),r=t.gl;o?r.disable(r.STENCIL_TEST):r.enable(r.STENCIL_TEST),t.setDepthSublayer(0),t.depthMask(!1),r.disable(r.DEPTH_TEST),drawLayerSymbols(t,e,i,a,!1,i.paint["icon-translate"],i.paint["icon-translate-anchor"],i.layout["icon-rotation-alignment"],i.layout["icon-rotation-alignment"],i.layout["icon-size"],i.paint["icon-halo-width"],i.paint["icon-halo-color"],i.paint["icon-halo-blur"],i.paint["icon-opacity"],i.paint["icon-color"]),drawLayerSymbols(t,e,i,a,!0,i.paint["text-translate"],i.paint["text-translate-anchor"],i.layout["text-rotation-alignment"],i.layout["text-pitch-alignment"],i.layout["text-size"],i.paint["text-halo-width"],i.paint["text-halo-color"],i.paint["text-halo-blur"],i.paint["text-opacity"],i.paint["text-color"]),r.enable(r.DEPTH_TEST),drawCollisionDebug(t,e,i,a)}}function drawLayerSymbols(t,e,i,a,o,r,n,l,u,s,f,m,p,c,d){for(var h=0;h<a.length;h++){var y=e.getTile(a[h]),_=y.getBucket(i);if(_){var x=_.bufferGroups,g=o?x.glyph:x.icon;g.length&&(t.enableTileClippingMask(a[h]),drawSymbol(t,i,a[h].posMatrix,y,_,g,o,o||_.sdfIcons,!o&&_.iconsNeedLinear,o?_.adjustedTextSize:_.adjustedIconSize,_.fontstack,r,n,l,u,s,f,m,p,c,d))}}}function drawSymbol(t,e,i,a,o,r,n,l,u,s,f,m,p,c,d,h,y,_,x,g,T){var b,v,w,S=t.gl,E=t.transform,N="map"===c,I="map"===d,L=n?24:1,R=h/L;if(I?(v=pixelsToTileUnits(a,1,t.transform.zoom)*R,w=1/Math.cos(E._pitch),b=[v,v]):(v=t.transform.altitude*R,w=1,b=[E.pixelsToGLUnits[0]*v,E.pixelsToGLUnits[1]*v]),n||t.style.sprite.loaded()){var z=t.useProgram(l?"sdf":"icon");if(S.uniformMatrix4fv(z.u_matrix,!1,t.translatePosMatrix(i,a,m,p)),S.uniform1i(z.u_rotate_with_map,N),S.uniform1i(z.u_pitch_with_map,I),S.uniform2fv(z.u_extrude_scale,b),S.activeTexture(S.TEXTURE0),S.uniform1i(z.u_texture,0),n){var G=f&&t.glyphSource.getGlyphAtlas(f);if(!G)return;G.updateTexture(S),S.uniform2f(z.u_texsize,G.width/4,G.height/4)}else{var M=t.options.rotating||t.options.zooming,P=1!==R||browser.devicePixelRatio!==t.spriteAtlas.pixelRatio||u,U=I||t.transform.pitch;t.spriteAtlas.bind(S,l||M||P||U),S.uniform2f(z.u_texsize,t.spriteAtlas.width/4,t.spriteAtlas.height/4)}var A=Math.log(h/s)/Math.LN2||0;S.uniform1f(z.u_zoom,10*(t.transform.zoom-A)),S.activeTexture(S.TEXTURE1),t.frameHistory.bind(S),S.uniform1i(z.u_fadetexture,1);var D;if(l){var H=8,C=1.19,k=6,q=.105*L/h/browser.devicePixelRatio;if(y){S.uniform1f(z.u_gamma,(x*C/R/H+q)*w),S.uniform4fv(z.u_color,_),S.uniform1f(z.u_opacity,g),S.uniform1f(z.u_buffer,(k-y/R)/H);for(var O=0;O<r.length;O++)D=r[O],D.vaos[e.id].bind(S,z,D.layout.vertex,D.layout.element),S.drawElements(S.TRIANGLES,3*D.layout.element.length,S.UNSIGNED_SHORT,0)}S.uniform1f(z.u_gamma,q*w),S.uniform4fv(z.u_color,T),S.uniform1f(z.u_opacity,g),S.uniform1f(z.u_buffer,.75),S.uniform1f(z.u_pitch,E.pitch/360*2*Math.PI),S.uniform1f(z.u_bearing,E.bearing/360*2*Math.PI),S.uniform1f(z.u_aspect_ratio,E.width/E.height);for(var j=0;j<r.length;j++)D=r[j],D.vaos[e.id].bind(S,z,D.layout.vertex,D.layout.element),S.drawElements(S.TRIANGLES,3*D.layout.element.length,S.UNSIGNED_SHORT,0)}else{S.uniform1f(z.u_opacity,g);for(var X=0;X<r.length;X++)D=r[X],D.vaos[e.id].bind(S,z,D.layout.vertex,D.layout.element),S.drawElements(S.TRIANGLES,3*D.layout.element.length,S.UNSIGNED_SHORT,0)}}}var browser=require("../util/browser"),drawCollisionDebug=require("./draw_collision_debug"),pixelsToTileUnits=require("../source/pixels_to_tile_units");module.exports=drawSymbols;
-},{"../source/pixels_to_tile_units":32,"../util/browser":93,"./draw_collision_debug":18}],24:[function(require,module,exports){
-"use strict";function FrameHistory(){this.changeTimes=new Float64Array(256),this.changeOpacities=new Uint8Array(256),this.opacities=new Uint8ClampedArray(256),this.array=new Uint8Array(this.opacities.buffer),this.fadeDuration=300,this.previousZoom=0,this.firstFrame=!0}module.exports=FrameHistory,FrameHistory.prototype.record=function(t){var i=Date.now();this.firstFrame&&(i=0,this.firstFrame=!1),t=Math.floor(10*t);var e;if(t<this.previousZoom)for(e=t+1;e<=this.previousZoom;e++)this.changeTimes[e]=i,this.changeOpacities[e]=this.opacities[e];else for(e=t;e>this.previousZoom;e--)this.changeTimes[e]=i,this.changeOpacities[e]=this.opacities[e];for(e=0;256>e;e++){var s=i-this.changeTimes[e],r=s/this.fadeDuration*255;t>=e?this.opacities[e]=this.changeOpacities[e]+r:this.opacities[e]=this.changeOpacities[e]-r}this.changed=!0,this.previousZoom=t},FrameHistory.prototype.bind=function(t){this.texture?(t.bindTexture(t.TEXTURE_2D,this.texture),this.changed&&(t.texSubImage2D(t.TEXTURE_2D,0,0,0,256,1,t.ALPHA,t.UNSIGNED_BYTE,this.array),this.changed=!1)):(this.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.NEAREST),t.texImage2D(t.TEXTURE_2D,0,t.ALPHA,256,1,0,t.ALPHA,t.UNSIGNED_BYTE,this.array))};
-},{}],25:[function(require,module,exports){
-"use strict";function LineAtlas(t,i){this.width=t,this.height=i,this.nextRow=0,this.bytes=4,this.data=new Uint8Array(this.width*this.height*this.bytes),this.positions={}}var util=require("../util/util");module.exports=LineAtlas,LineAtlas.prototype.setSprite=function(t){this.sprite=t},LineAtlas.prototype.getDash=function(t,i){var e=t.join(",")+i;return this.positions[e]||(this.positions[e]=this.addDash(t,i)),this.positions[e]},LineAtlas.prototype.addDash=function(t,i){var e=i?7:0,h=2*e+1,s=128;if(this.nextRow+h>this.height)return util.warnOnce("LineAtlas out of space"),null;for(var a=0,r=0;r<t.length;r++)a+=t[r];for(var n=this.width/a,E=n/2,o=t.length%2===1,T=-e;e>=T;T++)for(var R=this.nextRow+e+T,u=this.width*R,d=o?-t[t.length-1]:0,l=t[0],x=1,A=0;A<this.width;A++){for(;A/n>l;)d=l,l+=t[x],o&&x===t.length-1&&(l+=t[0]),x++;var _,p=Math.abs(A-d*n),g=Math.abs(A-l*n),w=Math.min(p,g),D=x%2===1;if(i){var U=e?T/e*(E+1):0;if(D){var f=E-Math.abs(U);_=Math.sqrt(w*w+f*f)}else _=E-Math.sqrt(w*w+U*U)}else _=(D?1:-1)*w;this.data[3+4*(u+A)]=Math.max(0,Math.min(255,_+s))}var X={y:(this.nextRow+e+.5)/this.height,height:2*e/this.height,width:a};return this.nextRow+=h,this.dirty=!0,X},LineAtlas.prototype.bind=function(t){this.texture?(t.bindTexture(t.TEXTURE_2D,this.texture),this.dirty&&(this.dirty=!1,t.texSubImage2D(t.TEXTURE_2D,0,0,0,this.width,this.height,t.RGBA,t.UNSIGNED_BYTE,this.data))):(this.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.REPEAT),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.REPEAT),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.LINEAR),t.texImage2D(t.TEXTURE_2D,0,t.RGBA,this.width,this.height,0,t.RGBA,t.UNSIGNED_BYTE,this.data))};
-},{"../util/util":108}],26:[function(require,module,exports){
-"use strict";function Painter(e,r){this.gl=e,this.transform=r,this.reusableTextures={},this.preFbos={},this.frameHistory=new FrameHistory,this.setup(),this.numSublayers=TilePyramid.maxUnderzooming+TilePyramid.maxOverzooming+1,this.depthEpsilon=1/Math.pow(2,16),this.lineWidthRange=e.getParameter(e.ALIASED_LINE_WIDTH_RANGE)}var browser=require("../util/browser"),mat4=require("gl-matrix").mat4,FrameHistory=require("./frame_history"),TilePyramid=require("../source/tile_pyramid"),EXTENT=require("../data/bucket").EXTENT,pixelsToTileUnits=require("../source/pixels_to_tile_units"),util=require("../util/util"),StructArrayType=require("../util/struct_array"),Buffer=require("../data/buffer"),VertexArrayObject=require("./vertex_array_object"),RasterBoundsArray=require("./draw_raster").RasterBoundsArray,createUniformPragmas=require("./create_uniform_pragmas");module.exports=Painter,util.extend(Painter.prototype,require("./painter/use_program")),Painter.prototype.resize=function(e,r){var t=this.gl;this.width=e*browser.devicePixelRatio,this.height=r*browser.devicePixelRatio,t.viewport(0,0,this.width,this.height)},Painter.prototype.setup=function(){var e=this.gl;e.verbose=!0,e.enable(e.BLEND),e.blendFunc(e.ONE,e.ONE_MINUS_SRC_ALPHA),e.enable(e.STENCIL_TEST),e.enable(e.DEPTH_TEST),e.depthFunc(e.LEQUAL),this._depthMask=!1,e.depthMask(!1);var r=this.PosArray=new StructArrayType({members:[{name:"a_pos",type:"Int16",components:2}]}),t=new r;t.emplaceBack(0,0),t.emplaceBack(EXTENT,0),t.emplaceBack(0,EXTENT),t.emplaceBack(EXTENT,EXTENT),this.tileExtentBuffer=new Buffer(t.serialize(),r.serialize(),Buffer.BufferType.VERTEX),this.tileExtentVAO=new VertexArrayObject,this.tileExtentPatternVAO=new VertexArrayObject;var i=new r;i.emplaceBack(0,0),i.emplaceBack(EXTENT,0),i.emplaceBack(EXTENT,EXTENT),i.emplaceBack(0,EXTENT),i.emplaceBack(0,0),this.debugBuffer=new Buffer(i.serialize(),r.serialize(),Buffer.BufferType.VERTEX),this.debugVAO=new VertexArrayObject;var s=new RasterBoundsArray;s.emplaceBack(0,0,0,0),s.emplaceBack(EXTENT,0,32767,0),s.emplaceBack(0,EXTENT,0,32767),s.emplaceBack(EXTENT,EXTENT,32767,32767),this.rasterBoundsBuffer=new Buffer(s.serialize(),RasterBoundsArray.serialize(),Buffer.BufferType.VERTEX),this.rasterBoundsVAO=new VertexArrayObject},Painter.prototype.clearColor=function(){var e=this.gl;e.clearColor(0,0,0,0),e.clear(e.COLOR_BUFFER_BIT)},Painter.prototype.clearStencil=function(){var e=this.gl;e.clearStencil(0),e.stencilMask(255),e.clear(e.STENCIL_BUFFER_BIT)},Painter.prototype.clearDepth=function(){var e=this.gl;e.clearDepth(1),this.depthMask(!0),e.clear(e.DEPTH_BUFFER_BIT)},Painter.prototype._renderTileClippingMasks=function(e){var r=this.gl;r.colorMask(!1,!1,!1,!1),this.depthMask(!1),r.disable(r.DEPTH_TEST),r.enable(r.STENCIL_TEST),r.stencilMask(248),r.stencilOp(r.KEEP,r.KEEP,r.REPLACE);var t=1;this._tileClippingMaskIDs={};for(var i=0;i<e.length;i++){var s=e[i],a=this._tileClippingMaskIDs[s.id]=t++<<3;r.stencilFunc(r.ALWAYS,a,248);var n=createUniformPragmas([{name:"u_color",components:4},{name:"u_opacity",components:1}]),l=this.useProgram("fill",[],n,n);r.uniformMatrix4fv(l.u_matrix,!1,s.posMatrix),this.tileExtentVAO.bind(r,l,this.tileExtentBuffer),r.drawArrays(r.TRIANGLE_STRIP,0,this.tileExtentBuffer.length)}r.stencilMask(0),r.colorMask(!0,!0,!0,!0),this.depthMask(!0),r.enable(r.DEPTH_TEST)},Painter.prototype.enableTileClippingMask=function(e){var r=this.gl;r.stencilFunc(r.EQUAL,this._tileClippingMaskIDs[e.id],248)},Painter.prototype.prepareBuffers=function(){},Painter.prototype.bindDefaultFramebuffer=function(){var e=this.gl;e.bindFramebuffer(e.FRAMEBUFFER,null)};var draw={symbol:require("./draw_symbol"),circle:require("./draw_circle"),line:require("./draw_line"),fill:require("./draw_fill"),raster:require("./draw_raster"),background:require("./draw_background"),debug:require("./draw_debug")};Painter.prototype.render=function(e,r){this.style=e,this.options=r,this.lineAtlas=e.lineAtlas,this.spriteAtlas=e.spriteAtlas,this.spriteAtlas.setSprite(e.sprite),this.glyphSource=e.glyphSource,this.frameHistory.record(this.transform.zoom),this.prepareBuffers(),this.clearColor(),this.clearDepth(),this.showOverdrawInspector(r.showOverdrawInspector),this.depthRange=(e._order.length+2)*this.numSublayers*this.depthEpsilon,this.renderPass({isOpaquePass:!0}),this.renderPass({isOpaquePass:!1})},Painter.prototype.renderPass=function(e){var r=this.style._groups,t=e.isOpaquePass;this.currentLayer=t?this.style._order.length:-1;for(var i=0;i<r.length;i++){var s,a=r[t?r.length-1-i:i],n=this.style.sources[a.source],l=[];if(n){for(l=n.getVisibleCoordinates(),s=0;s<l.length;s++)l[s].posMatrix=this.transform.calculatePosMatrix(l[s],n.maxzoom);this.clearStencil(),n.prepare&&n.prepare(),n.isTileClipped&&this._renderTileClippingMasks(l)}for(t?(this._showOverdrawInspector||this.gl.disable(this.gl.BLEND),this.isOpaquePass=!0):(this.gl.enable(this.gl.BLEND),this.isOpaquePass=!1,l.reverse()),s=0;s<a.length;s++){var o=a[t?a.length-1-s:s];this.currentLayer+=t?-1:1,this.renderLayer(this,n,o,l)}n&&draw.debug(this,n,l)}},Painter.prototype.depthMask=function(e){e!==this._depthMask&&(this._depthMask=e,this.gl.depthMask(e))},Painter.prototype.renderLayer=function(e,r,t,i){t.isHidden(this.transform.zoom)||("background"===t.type||i.length)&&(this.id=t.id,draw[t.type](e,r,t,i))},Painter.prototype.setDepthSublayer=function(e){var r=1-((1+this.currentLayer)*this.numSublayers+e)*this.depthEpsilon,t=r-1+this.depthRange;this.gl.depthRange(t,r)},Painter.prototype.translatePosMatrix=function(e,r,t,i){if(!t[0]&&!t[1])return e;if("viewport"===i){var s=Math.sin(-this.transform.angle),a=Math.cos(-this.transform.angle);t=[t[0]*a-t[1]*s,t[0]*s+t[1]*a]}var n=[pixelsToTileUnits(r,t[0],this.transform.zoom),pixelsToTileUnits(r,t[1],this.transform.zoom),0],l=new Float32Array(16);return mat4.translate(l,e,n),l},Painter.prototype.saveTexture=function(e){var r=this.reusableTextures[e.size];r?r.push(e):this.reusableTextures[e.size]=[e]},Painter.prototype.getTexture=function(e){var r=this.reusableTextures[e];return r&&r.length>0?r.pop():null},Painter.prototype.lineWidth=function(e){this.gl.lineWidth(util.clamp(e,this.lineWidthRange[0],this.lineWidthRange[1]))},Painter.prototype.showOverdrawInspector=function(e){if(e||this._showOverdrawInspector){this._showOverdrawInspector=e;var r=this.gl;if(e){r.blendFunc(r.CONSTANT_COLOR,r.ONE);var t=8,i=1/t;r.blendColor(i,i,i,0),r.clearColor(0,0,0,1),r.clear(r.COLOR_BUFFER_BIT)}else r.blendFunc(r.ONE,r.ONE_MINUS_SRC_ALPHA)}};
-},{"../data/bucket":1,"../data/buffer":6,"../source/pixels_to_tile_units":32,"../source/tile_pyramid":37,"../util/browser":93,"../util/struct_array":106,"../util/util":108,"./create_uniform_pragmas":15,"./draw_background":16,"./draw_circle":17,"./draw_debug":19,"./draw_fill":20,"./draw_line":21,"./draw_raster":22,"./draw_symbol":23,"./frame_history":24,"./painter/use_program":27,"./vertex_array_object":28,"gl-matrix":134}],27:[function(require,module,exports){
-"use strict";function applyPragmas(r,e){return r.replace(/#pragma mapbox: ([\w]+) ([\w]+) ([\w]+) ([\w]+)/g,function(r,a,t,i,o){return e[a][o].replace(/{type}/g,i).replace(/{precision}/g,t)})}var util=require("../../util/util"),shaders=require("mapbox-gl-shaders"),utilSource=shaders.util;module.exports._createProgram=function(r,e,a,t){for(var i=this.gl,o=i.createProgram(),c=shaders[r],n="#define MAPBOX_GL_JS;\n",s=0;s<e.length;s++)n+="#define "+e[s]+";\n";var m=i.createShader(i.FRAGMENT_SHADER);i.shaderSource(m,applyPragmas(n+c.fragmentSource,t)),i.compileShader(m),i.attachShader(o,m);var g=i.createShader(i.VERTEX_SHADER);i.shaderSource(g,applyPragmas(n+utilSource+c.vertexSource,a)),i.compileShader(g),i.attachShader(o,g),i.linkProgram(o);for(var u={},h=i.getProgramParameter(o,i.ACTIVE_ATTRIBUTES),d=0;h>d;d++){var l=i.getActiveAttrib(o,d);u[l.name]=i.getAttribLocation(o,l.name)}for(var p={},P=i.getProgramParameter(o,i.ACTIVE_UNIFORMS),S=0;P>S;S++){var f=i.getActiveUniform(o,S);p[f.name]=i.getUniformLocation(o,f.name)}return util.extend({program:o,definition:c,attributes:u,numAttributes:h},u,p)},module.exports._createProgramCached=function(r,e,a,t){this.cache=this.cache||{};var i=JSON.stringify({name:r,defines:e,vertexPragmas:a,fragmentPragmas:t});return this.cache[i]||(this.cache[i]=this._createProgram(r,e,a,t)),this.cache[i]},module.exports.useProgram=function(r,e,a,t){var i=this.gl;e=e||[],this._showOverdrawInspector&&(e=e.concat("OVERDRAW_INSPECTOR"));var o=this._createProgramCached(r,e,a,t),c=this.currentProgram;return c!==o&&(i.useProgram(o.program),this.currentProgram=o),o};
-},{"../../util/util":108,"mapbox-gl-shaders":146}],28:[function(require,module,exports){
-"use strict";function VertexArrayObject(){this.boundProgram=null,this.boundVertexBuffer=null,this.boundVertexBuffer2=null,this.boundElementBuffer=null,this.vao=null}module.exports=VertexArrayObject,VertexArrayObject.prototype.bind=function(e,t,r,i,n){void 0===e.extVertexArrayObject&&(e.extVertexArrayObject=e.getExtension("OES_vertex_array_object"));var o=!this.vao||this.boundProgram!==t||this.boundVertexBuffer!==r||this.boundVertexBuffer2!==n||this.boundElementBuffer!==i;!e.extVertexArrayObject||o?this.freshBind(e,t,r,i,n):e.extVertexArrayObject.bindVertexArrayOES(this.vao)},VertexArrayObject.prototype.freshBind=function(e,t,r,i,n){var o,a=t.numAttributes;if(e.extVertexArrayObject)this.vao&&this.destroy(e),this.vao=e.extVertexArrayObject.createVertexArrayOES(),e.extVertexArrayObject.bindVertexArrayOES(this.vao),o=0,this.boundProgram=t,this.boundVertexBuffer=r,this.boundVertexBuffer2=n,this.boundElementBuffer=i;else{o=e.currentNumAttributes||0;for(var b=a;o>b;b++)e.disableVertexAttribArray(b)}for(var u=o;a>u;u++)e.enableVertexAttribArray(u);r.bind(e),r.setVertexAttribPointers(e,t),n&&(n.bind(e),n.setVertexAttribPointers(e,t)),i&&i.bind(e),e.currentNumAttributes=a},VertexArrayObject.prototype.unbind=function(e){var t=e.extVertexArrayObject;t&&t.bindVertexArrayOES(null)},VertexArrayObject.prototype.destroy=function(e){var t=e.extVertexArrayObject;t&&this.vao&&(t.deleteVertexArrayOES(this.vao),this.vao=null)};
-},{}],29:[function(require,module,exports){
-"use strict";function GeoJSONSource(e){e=e||{},this._data=e.data,void 0!==e.maxzoom&&(this.maxzoom=e.maxzoom);var i=EXTENT/this.tileSize;this.geojsonVtOptions={buffer:(void 0!==e.buffer?e.buffer:128)*i,tolerance:(void 0!==e.tolerance?e.tolerance:.375)*i,extent:EXTENT,maxZoom:this.maxzoom},this.cluster=e.cluster||!1,this.superclusterOptions={maxZoom:Math.min(e.clusterMaxZoom,this.maxzoom-1)||this.maxzoom-1,extent:EXTENT,radius:(e.clusterRadius||50)*i,log:!1},this._pyramid=new TilePyramid({tileSize:this.tileSize,minzoom:this.minzoom,maxzoom:this.maxzoom,reparseOverscaled:!0,load:this._loadTile.bind(this),abort:this._abortTile.bind(this),unload:this._unloadTile.bind(this),add:this._addTile.bind(this),remove:this._removeTile.bind(this),redoPlacement:this._redoTilePlacement.bind(this)})}var util=require("../util/util"),Evented=require("../util/evented"),TilePyramid=require("./tile_pyramid"),Source=require("./source"),urlResolve=require("resolve-url"),EXTENT=require("../data/bucket").EXTENT;module.exports=GeoJSONSource,GeoJSONSource.prototype=util.inherit(Evented,{minzoom:0,maxzoom:18,tileSize:512,_dirty:!0,isTileClipped:!0,setData:function(e){return this._data=e,this._dirty=!0,this.fire("change"),this.map&&this.update(this.map.transform),this},onAdd:function(e){this.map=e},loaded:function(){return this._loaded&&this._pyramid.loaded()},update:function(e){this._dirty&&this._updateData(),this._loaded&&this._pyramid.update(this.used,e)},reload:function(){this._loaded&&this._pyramid.reload()},serialize:function(){return{type:"geojson",data:this._data}},getVisibleCoordinates:Source._getVisibleCoordinates,getTile:Source._getTile,queryRenderedFeatures:Source._queryRenderedVectorFeatures,querySourceFeatures:Source._querySourceFeatures,_updateData:function(){this._dirty=!1;var e={tileSize:this.tileSize,source:this.id,geojsonVtOptions:this.geojsonVtOptions,cluster:this.cluster,superclusterOptions:this.superclusterOptions},i=this._data;"string"==typeof i?e.url="undefined"!=typeof window?urlResolve(window.location.href,i):i:e.data=JSON.stringify(i),this.workerID=this.dispatcher.send("parse geojson",e,function(e){this._loaded=!0,e?this.fire("error",{error:e}):(this._pyramid.reload(),this.fire("change"))}.bind(this))},_loadTile:function(e){var i=e.coord.z>this.maxzoom?Math.pow(2,e.coord.z-this.maxzoom):1,t={uid:e.uid,coord:e.coord,zoom:e.coord.z,maxZoom:this.maxzoom,tileSize:this.tileSize,source:this.id,overscaling:i,angle:this.map.transform.angle,pitch:this.map.transform.pitch,showCollisionBoxes:this.map.showCollisionBoxes};e.workerID=this.dispatcher.send("load geojson tile",t,function(i,t){if(e.unloadVectorData(this.map.painter),!e.aborted){if(i)return void this.fire("tile.error",{tile:e});e.loadVectorData(t,this.map.style),e.redoWhenDone&&(e.redoWhenDone=!1,e.redoPlacement(this)),this.fire("tile.load",{tile:e})}}.bind(this),this.workerID)},_abortTile:function(e){e.aborted=!0},_addTile:function(e){this.fire("tile.add",{tile:e})},_removeTile:function(e){this.fire("tile.remove",{tile:e})},_unloadTile:function(e){e.unloadVectorData(this.map.painter),this.dispatcher.send("remove tile",{uid:e.uid,source:this.id},function(){},e.workerID)},redoPlacement:Source.redoPlacement,_redoTilePlacement:function(e){e.redoPlacement(this)}});
-},{"../data/bucket":1,"../util/evented":100,"../util/util":108,"./source":34,"./tile_pyramid":37,"resolve-url":178}],30:[function(require,module,exports){
-"use strict";function GeoJSONWrapper(e){this.features=e,this.length=e.length,this.extent=EXTENT}function FeatureWrapper(e){if(this.type=e.type,1===e.type){this.rawGeometry=[];for(var t=0;t<e.geometry.length;t++)this.rawGeometry.push([e.geometry[t]])}else this.rawGeometry=e.geometry;this.properties=e.tags,this.extent=EXTENT}var Point=require("point-geometry"),VectorTileFeature=require("vector-tile").VectorTileFeature,EXTENT=require("../data/bucket").EXTENT;module.exports=GeoJSONWrapper,GeoJSONWrapper.prototype.feature=function(e){return new FeatureWrapper(this.features[e])},FeatureWrapper.prototype.loadGeometry=function(){var e=this.rawGeometry;this.geometry=[];for(var t=0;t<e.length;t++){for(var r=e[t],o=[],a=0;a<r.length;a++)o.push(new Point(r[a][0],r[a][1]));this.geometry.push(o)}return this.geometry},FeatureWrapper.prototype.bbox=function(){this.geometry||this.loadGeometry();for(var e=this.geometry,t=1/0,r=-(1/0),o=1/0,a=-(1/0),i=0;i<e.length;i++)for(var p=e[i],h=0;h<p.length;h++){var n=p[h];t=Math.min(t,n.x),r=Math.max(r,n.x),o=Math.min(o,n.y),a=Math.max(a,n.y)}return[t,o,r,a]},FeatureWrapper.prototype.toGeoJSON=VectorTileFeature.prototype.toGeoJSON;
-},{"../data/bucket":1,"point-geometry":176,"vector-tile":186}],31:[function(require,module,exports){
-"use strict";function ImageSource(e){this.url=e.url,this.coordinates=e.coordinates,ajax.getImage(e.url,function(t,r){t||(this.image=r,this.image.addEventListener("load",function(){this.map._rerender()}.bind(this)),this._loaded=!0,this.map&&this.setCoordinates(e.coordinates))}.bind(this))}var util=require("../util/util"),Tile=require("./tile"),TileCoord=require("./tile_coord"),LngLat=require("../geo/lng_lat"),Point=require("point-geometry"),Evented=require("../util/evented"),ajax=require("../util/ajax"),EXTENT=require("../data/bucket").EXTENT,RasterBoundsArray=require("../render/draw_raster").RasterBoundsArray,Buffer=require("../data/buffer"),VertexArrayObject=require("../render/vertex_array_object");module.exports=ImageSource,ImageSource.prototype=util.inherit(Evented,{onAdd:function(e){this.map=e,this.image&&this.setCoordinates(this.coordinates)},setCoordinates:function(e){this.coordinates=e;var t=this.map,r=e.map(function(e){return t.transform.locationCoordinate(LngLat.convert(e)).zoomTo(0)}),i=this.centerCoord=util.getCoordinatesCenter(r);i.column=Math.round(i.column),i.row=Math.round(i.row);var o=r.map(function(e){var t=e.zoomTo(i.zoom);return new Point(Math.round((t.column-i.column)*EXTENT),Math.round((t.row-i.row)*EXTENT))}),a=32767,n=new RasterBoundsArray;return n.emplaceBack(o[0].x,o[0].y,0,0),n.emplaceBack(o[1].x,o[1].y,a,0),n.emplaceBack(o[3].x,o[3].y,0,a),n.emplaceBack(o[2].x,o[2].y,a,a),this.tile=new Tile(new TileCoord(i.zoom,i.column,i.row)),this.tile.buckets={},this.tile.boundsBuffer=new Buffer(n.serialize(),RasterBoundsArray.serialize(),Buffer.BufferType.VERTEX),this.tile.boundsVAO=new VertexArrayObject,this.fire("change"),this},loaded:function(){return this.image&&this.image.complete},update:function(){},reload:function(){},prepare:function(){if(this._loaded&&this.loaded()){var e=this.map.painter,t=e.gl;this.tile.texture?(t.bindTexture(t.TEXTURE_2D,this.tile.texture),t.texSubImage2D(t.TEXTURE_2D,0,0,0,t.RGBA,t.UNSIGNED_BYTE,this.image)):(this.tile.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.tile.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.LINEAR),t.texImage2D(t.TEXTURE_2D,0,t.RGBA,t.RGBA,t.UNSIGNED_BYTE,this.image))}},getVisibleCoordinates:function(){return this.tile?[this.tile.coord]:[]},getTile:function(){return this.tile},serialize:function(){return{type:"image",urls:this.url,coordinates:this.coordinates}}});
-},{"../data/bucket":1,"../data/buffer":6,"../geo/lng_lat":10,"../render/draw_raster":22,"../render/vertex_array_object":28,"../util/ajax":92,"../util/evented":100,"../util/util":108,"./tile":35,"./tile_coord":36,"point-geometry":176}],32:[function(require,module,exports){
-"use strict";var Bucket=require("../data/bucket");module.exports=function(e,t,r){return t*(Bucket.EXTENT/(e.tileSize*Math.pow(2,r-e.coord.z)))};
-},{"../data/bucket":1}],33:[function(require,module,exports){
-"use strict";function RasterTileSource(e){util.extend(this,util.pick(e,["url","scheme","tileSize"])),Source._loadTileJSON.call(this,e)}var util=require("../util/util"),ajax=require("../util/ajax"),Evented=require("../util/evented"),Source=require("./source"),normalizeURL=require("../util/mapbox").normalizeTileURL;module.exports=RasterTileSource,RasterTileSource.prototype=util.inherit(Evented,{minzoom:0,maxzoom:22,roundZoom:!0,scheme:"xyz",tileSize:512,_loaded:!1,onAdd:function(e){this.map=e},loaded:function(){return this._pyramid&&this._pyramid.loaded()},update:function(e){this._pyramid&&this._pyramid.update(this.used,e,this.map.style.rasterFadeDuration)},reload:function(){},serialize:function(){return{type:"raster",url:this.url,tileSize:this.tileSize}},getVisibleCoordinates:Source._getVisibleCoordinates,getTile:Source._getTile,_loadTile:function(e){function t(t,i){if(delete e.request,!e.aborted){if(t)return e.state="errored",void this.fire("tile.error",{tile:e,error:t});var r=this.map.painter.gl;e.texture=this.map.painter.getTexture(i.width),e.texture?(r.bindTexture(r.TEXTURE_2D,e.texture),r.texSubImage2D(r.TEXTURE_2D,0,0,0,r.RGBA,r.UNSIGNED_BYTE,i)):(e.texture=r.createTexture(),r.bindTexture(r.TEXTURE_2D,e.texture),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MIN_FILTER,r.LINEAR_MIPMAP_NEAREST),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MAG_FILTER,r.LINEAR),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_S,r.CLAMP_TO_EDGE),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_T,r.CLAMP_TO_EDGE),r.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!0),r.texImage2D(r.TEXTURE_2D,0,r.RGBA,r.RGBA,r.UNSIGNED_BYTE,i),e.texture.size=i.width),r.generateMipmap(r.TEXTURE_2D),e.timeAdded=(new Date).getTime(),this.map.animationLoop.set(this.style.rasterFadeDuration),e.source=this,e.state="loaded",this.fire("tile.load",{tile:e})}}var i=normalizeURL(e.coord.url(this.tiles,null,this.scheme),this.url,this.tileSize);e.request=ajax.getImage(i,t.bind(this))},_abortTile:function(e){e.aborted=!0,e.request&&(e.request.abort(),delete e.request)},_addTile:function(e){this.fire("tile.add",{tile:e})},_removeTile:function(e){this.fire("tile.remove",{tile:e})},_unloadTile:function(e){e.texture&&this.map.painter.saveTexture(e.texture)}});
-},{"../util/ajax":92,"../util/evented":100,"../util/mapbox":105,"../util/util":108,"./source":34}],34:[function(require,module,exports){
-"use strict";function sortTilesIn(e,r){var i=e.coord,t=r.coord;return i.z-t.z||i.y-t.y||i.w-t.w||i.x-t.x}function mergeRenderedFeatureLayers(e){for(var r=e[0]||{},i=1;i<e.length;i++){var t=e[i];for(var o in t){var s=t[o],a=r[o];if(void 0===a)a=r[o]=s;else for(var n=0;n<s.length;n++)a.push(s[n])}}return r}var util=require("../util/util"),ajax=require("../util/ajax"),browser=require("../util/browser"),TilePyramid=require("./tile_pyramid"),normalizeURL=require("../util/mapbox").normalizeSourceURL,TileCoord=require("./tile_coord");exports._loadTileJSON=function(e){var r=function(e,r){return e?void this.fire("error",{error:e}):(util.extend(this,util.pick(r,["tiles","minzoom","maxzoom","attribution"])),r.vector_layers&&(this.vectorLayers=r.vector_layers,this.vectorLayerIds=this.vectorLayers.map(function(e){return e.id})),this._pyramid=new TilePyramid({tileSize:this.tileSize,minzoom:this.minzoom,maxzoom:this.maxzoom,roundZoom:this.roundZoom,reparseOverscaled:this.reparseOverscaled,load:this._loadTile.bind(this),abort:this._abortTile.bind(this),unload:this._unloadTile.bind(this),add:this._addTile.bind(this),remove:this._removeTile.bind(this),redoPlacement:this._redoTilePlacement?this._redoTilePlacement.bind(this):void 0}),void this.fire("load"))}.bind(this);e.url?ajax.getJSON(normalizeURL(e.url),r):browser.frame(r.bind(this,null,e))},exports.redoPlacement=function(){if(this._pyramid)for(var e=this._pyramid.getIds(),r=0;r<e.length;r++){var i=this._pyramid.getTile(e[r]);this._redoTilePlacement(i)}},exports._getTile=function(e){return this._pyramid.getTile(e.id)},exports._getVisibleCoordinates=function(){return this._pyramid?this._pyramid.getRenderableIds().map(TileCoord.fromID):[]},exports._queryRenderedVectorFeatures=function(e,r,i,t){if(!this._pyramid||!this.map)return[];var o=this._pyramid.tilesIn(e);o.sort(sortTilesIn);for(var s=this.map.style._layers,a=[],n=0;n<o.length;n++){var u=o[n];u.tile.featureIndex&&a.push(u.tile.featureIndex.query({queryGeometry:u.queryGeometry,scale:u.scale,tileSize:u.tile.tileSize,bearing:t,params:r},s))}return mergeRenderedFeatureLayers(a)},exports._querySourceFeatures=function(e){if(!this._pyramid)return[];for(var r=this._pyramid,i=r.getRenderableIds().map(function(e){return r.getTile(e)}),t=[],o={},s=0;s<i.length;s++){var a=i[s],n=new TileCoord(Math.min(a.sourceMaxZoom,a.coord.z),a.coord.x,a.coord.y,0).id;o[n]||(o[n]=!0,a.querySourceFeatures(t,e))}return t},exports.create=function(e){var r={vector:require("./vector_tile_source"),raster:require("./raster_tile_source"),geojson:require("./geojson_source"),video:require("./video_source"),image:require("./image_source")};return exports.is(e)?e:new r[e.type](e)},exports.is=function(e){var r={vector:require("./vector_tile_source"),raster:require("./raster_tile_source"),geojson:require("./geojson_source"),video:require("./video_source"),image:require("./image_source")};for(var i in r)if(e instanceof r[i])return!0;return!1};
-},{"../util/ajax":92,"../util/browser":93,"../util/mapbox":105,"../util/util":108,"./geojson_source":29,"./image_source":31,"./raster_tile_source":33,"./tile_coord":36,"./tile_pyramid":37,"./vector_tile_source":38,"./video_source":39}],35:[function(require,module,exports){
-"use strict";function Tile(e,t,i){this.coord=e,this.uid=util.uniqueId(),this.uses=0,this.tileSize=t,this.sourceMaxZoom=i,this.buckets={},this.state="loading"}function unserializeBuckets(e,t){if(t){for(var i={},s=0;s<e.length;s++){var r=t.getLayer(e[s].layerId);if(r){var o=Bucket.create(util.extend({layer:r,childLayers:e[s].childLayerIds.map(t.getLayer.bind(t)).filter(function(e){return e})},e[s]));i[o.id]=o}}return i}}var util=require("../util/util"),Bucket=require("../data/bucket"),FeatureIndex=require("../data/feature_index"),vt=require("vector-tile"),Protobuf=require("pbf"),GeoJSONFeature=require("../util/vectortile_to_geojson"),featureFilter=require("feature-filter"),CollisionTile=require("../symbol/collision_tile"),CollisionBoxArray=require("../symbol/collision_box"),SymbolInstancesArray=require("../symbol/symbol_instances"),SymbolQuadsArray=require("../symbol/symbol_quads");module.exports=Tile,Tile.prototype={loadVectorData:function(e,t){this.state="loaded",e&&(this.collisionBoxArray=new CollisionBoxArray(e.collisionBoxArray),this.collisionTile=new CollisionTile(e.collisionTile,this.collisionBoxArray),this.symbolInstancesArray=new SymbolInstancesArray(e.symbolInstancesArray),this.symbolQuadsArray=new SymbolQuadsArray(e.symbolQuadsArray),this.featureIndex=new FeatureIndex(e.featureIndex,e.rawTileData,this.collisionTile),this.rawTileData=e.rawTileData,this.buckets=unserializeBuckets(e.buckets,t))},reloadSymbolData:function(e,t,i){if("unloaded"!==this.state){this.collisionTile=new CollisionTile(e.collisionTile,this.collisionBoxArray),this.featureIndex.setCollisionTile(this.collisionTile);for(var s in this.buckets){var r=this.buckets[s];"symbol"===r.type&&(r.destroy(t.gl),delete this.buckets[s])}util.extend(this.buckets,unserializeBuckets(e.buckets,i))}},unloadVectorData:function(e){for(var t in this.buckets){var i=this.buckets[t];i.destroy(e.gl)}this.collisionBoxArray=null,this.symbolQuadsArray=null,this.symbolInstancesArray=null,this.collisionTile=null,this.featureIndex=null,this.rawTileData=null,this.buckets=null,this.state="unloaded"},redoPlacement:function(e){function t(t,i){this.reloadSymbolData(i,e.map.painter,e.map.style),e.fire("tile.load",{tile:this}),this.state="loaded",this.redoWhenDone&&(this.redoPlacement(e),this.redoWhenDone=!1)}return"loaded"!==this.state||"reloading"===this.state?void(this.redoWhenDone=!0):(this.state="reloading",void e.dispatcher.send("redo placement",{uid:this.uid,source:e.id,angle:e.map.transform.angle,pitch:e.map.transform.pitch,showCollisionBoxes:e.map.showCollisionBoxes},t.bind(this),this.workerID))},getBucket:function(e){return this.buckets&&this.buckets[e.ref||e.id]},querySourceFeatures:function(e,t){if(this.rawTileData){this.vtLayers||(this.vtLayers=new vt.VectorTile(new Protobuf(new Uint8Array(this.rawTileData))).layers);var i=this.vtLayers._geojsonTileLayer||this.vtLayers[t.sourceLayer];if(i)for(var s=featureFilter(t.filter),r={z:this.coord.z,x:this.coord.x,y:this.coord.y},o=0;o<i.length;o++){var l=i.feature(o);if(s(l)){var a=new GeoJSONFeature(l,this.coord.z,this.coord.x,this.coord.y);a.tile=r,e.push(a)}}}},isRenderable:function(){return"loaded"===this.state||"reloading"===this.state}};
-},{"../data/bucket":1,"../data/feature_index":7,"../symbol/collision_box":61,"../symbol/collision_tile":63,"../symbol/symbol_instances":72,"../symbol/symbol_quads":73,"../util/util":108,"../util/vectortile_to_geojson":109,"feature-filter":123,"pbf":174,"vector-tile":186}],36:[function(require,module,exports){
-"use strict";function TileCoord(t,i,o,r){isNaN(r)&&(r=0),this.z=+t,this.x=+i,this.y=+o,this.w=+r,r*=2,0>r&&(r=-1*r-1);var e=1<<this.z;this.id=32*(e*e*r+e*this.y+this.x)+this.z,this.posMatrix=null}function getQuadkey(t,i,o){for(var r,e="",n=t;n>0;n--)r=1<<n-1,e+=(i&r?1:0)+(o&r?2:0);return e}function edge(t,i){if(t.row>i.row){var o=t;t=i,i=o}return{x0:t.column,y0:t.row,x1:i.column,y1:i.row,dx:i.column-t.column,dy:i.row-t.row}}function scanSpans(t,i,o,r,e){var n=Math.max(o,Math.floor(i.y0)),h=Math.min(r,Math.ceil(i.y1));if(t.x0===i.x0&&t.y0===i.y0?t.x0+i.dy/t.dy*t.dx<i.x1:t.x1-i.dy/t.dy*t.dx<i.x0){var s=t;t=i,i=s}for(var a=t.dx/t.dy,d=i.dx/i.dy,y=t.dx>0,l=i.dx<0,u=n;h>u;u++){var x=a*Math.max(0,Math.min(t.dy,u+y-t.y0))+t.x0,c=d*Math.max(0,Math.min(i.dy,u+l-i.y0))+i.x0;e(Math.floor(c),Math.ceil(x),u)}}function scanTriangle(t,i,o,r,e,n){var h,s=edge(t,i),a=edge(i,o),d=edge(o,t);s.dy>a.dy&&(h=s,s=a,a=h),s.dy>d.dy&&(h=s,s=d,d=h),a.dy>d.dy&&(h=a,a=d,d=h),s.dy&&scanSpans(d,s,r,e,n),a.dy&&scanSpans(d,a,r,e,n)}var WhooTS=require("whoots-js"),Coordinate=require("../geo/coordinate");module.exports=TileCoord,TileCoord.prototype.toString=function(){return this.z+"/"+this.x+"/"+this.y},TileCoord.prototype.toCoordinate=function(t){var i=Math.min(this.z,t),o=Math.pow(2,i),r=this.y,e=this.x+o*this.w;return new Coordinate(e,r,i)},TileCoord.fromID=function(t){var i=t%32,o=1<<i,r=(t-i)/32,e=r%o,n=(r-e)/o%o,h=Math.floor(r/(o*o));return h%2!==0&&(h=-1*h-1),h/=2,new TileCoord(i,e,n,h)},TileCoord.prototype.url=function(t,i,o){var r=WhooTS.getTileBBox(this.x,this.y,this.z),e=getQuadkey(this.z,this.x,this.y);return t[(this.x+this.y)%t.length].replace("{prefix}",(this.x%16).toString(16)+(this.y%16).toString(16)).replace("{z}",Math.min(this.z,i||this.z)).replace("{x}",this.x).replace("{y}","tms"===o?Math.pow(2,this.z)-this.y-1:this.y).replace("{quadkey}",e).replace("{bbox-epsg-3857}",r)},TileCoord.prototype.parent=function(t){return 0===this.z?null:this.z>t?new TileCoord(this.z-1,this.x,this.y,this.w):new TileCoord(this.z-1,Math.floor(this.x/2),Math.floor(this.y/2),this.w)},TileCoord.prototype.wrapped=function(){return new TileCoord(this.z,this.x,this.y,0)},TileCoord.prototype.children=function(t){if(this.z>=t)return[new TileCoord(this.z+1,this.x,this.y,this.w)];var i=this.z+1,o=2*this.x,r=2*this.y;return[new TileCoord(i,o,r,this.w),new TileCoord(i,o+1,r,this.w),new TileCoord(i,o,r+1,this.w),new TileCoord(i,o+1,r+1,this.w)]},TileCoord.cover=function(t,i,o){function r(t,i,r){var h,s,a;if(r>=0&&e>=r)for(h=t;i>h;h++)s=(h%e+e)%e,a=new TileCoord(o,s,r,Math.floor(h/e)),n[a.id]=a}var e=1<<t,n={};return scanTriangle(i[0],i[1],i[2],0,e,r),scanTriangle(i[2],i[3],i[0],0,e,r),Object.keys(n).map(function(t){return n[t]})};
-},{"../geo/coordinate":9,"whoots-js":194}],37:[function(require,module,exports){
-"use strict";function TilePyramid(e){this.tileSize=e.tileSize,this.minzoom=e.minzoom,this.maxzoom=e.maxzoom,this.roundZoom=e.roundZoom,this.reparseOverscaled=e.reparseOverscaled,this._load=e.load,this._abort=e.abort,this._unload=e.unload,this._add=e.add,this._remove=e.remove,this._redoPlacement=e.redoPlacement,this._tiles={},this._cache=new Cache(0,function(e){return this._unload(e)}.bind(this)),this._isIdRenderable=this._isIdRenderable.bind(this)}function coordinateToTilePoint(e,i,o){var t=o.zoomTo(Math.min(e.z,i));return{x:(t.column-(e.x+e.w*Math.pow(2,e.z)))*EXTENT,y:(t.row-e.y)*EXTENT}}function compareKeyZoom(e,i){return e%32-i%32}var Tile=require("./tile"),TileCoord=require("./tile_coord"),Point=require("point-geometry"),Cache=require("../util/lru_cache"),Coordinate=require("../geo/coordinate"),util=require("../util/util"),EXTENT=require("../data/bucket").EXTENT;module.exports=TilePyramid,TilePyramid.maxOverzooming=10,TilePyramid.maxUnderzooming=3,TilePyramid.prototype={loaded:function(){for(var e in this._tiles){var i=this._tiles[e];if("loaded"!==i.state&&"errored"!==i.state)return!1}return!0},getIds:function(){return Object.keys(this._tiles).map(Number).sort(compareKeyZoom)},getRenderableIds:function(){return this.getIds().filter(this._isIdRenderable)},_isIdRenderable:function(e){return this._tiles[e].isRenderable()&&!this._coveredTiles[e]},reload:function(){this._cache.reset();for(var e in this._tiles){var i=this._tiles[e];"loading"!==i.state&&(i.state="reloading"),this._load(i)}},getTile:function(e){return this._tiles[e]},getZoom:function(e){return e.zoom+Math.log(e.tileSize/this.tileSize)/Math.LN2},coveringZoomLevel:function(e){return(this.roundZoom?Math.round:Math.floor)(this.getZoom(e))},coveringTiles:function(e){var i=this.coveringZoomLevel(e),o=i;if(i<this.minzoom)return[];i>this.maxzoom&&(i=this.maxzoom);var t=e,r=t.locationCoordinate(t.center)._zoomTo(i),a=new Point(r.column-.5,r.row-.5);return TileCoord.cover(i,[t.pointCoordinate(new Point(0,0))._zoomTo(i),t.pointCoordinate(new Point(t.width,0))._zoomTo(i),t.pointCoordinate(new Point(t.width,t.height))._zoomTo(i),t.pointCoordinate(new Point(0,t.height))._zoomTo(i)],this.reparseOverscaled?o:i).sort(function(e,i){return a.dist(e)-a.dist(i)})},findLoadedChildren:function(e,i,o){var t=!1;for(var r in this._tiles){var a=this._tiles[r];if(!(o[r]||!a.isRenderable()||a.coord.z<=e.z||a.coord.z>i)){var n=Math.pow(2,Math.min(a.coord.z,this.maxzoom)-Math.min(e.z,this.maxzoom));if(Math.floor(a.coord.x/n)===e.x&&Math.floor(a.coord.y/n)===e.y)for(o[r]=!0,t=!0;a&&a.coord.z-1>e.z;){var s=a.coord.parent(this.maxzoom).id;a=this._tiles[s],a&&a.isRenderable()&&(delete o[r],o[s]=!0)}}}return t},findLoadedParent:function(e,i,o){for(var t=e.z-1;t>=i;t--){e=e.parent(this.maxzoom);var r=this._tiles[e.id];if(r&&r.isRenderable())return o[e.id]=!0,r;if(this._cache.has(e.id))return this.addTile(e),o[e.id]=!0,this._tiles[e.id]}},updateCacheSize:function(e){var i=Math.ceil(e.width/e.tileSize)+1,o=Math.ceil(e.height/e.tileSize)+1,t=i*o,r=5;this._cache.setMaxSize(Math.floor(t*r))},update:function(e,i,o){var t,r,a;this.updateCacheSize(i);var n=(this.roundZoom?Math.round:Math.floor)(this.getZoom(i)),s=Math.max(n-TilePyramid.maxOverzooming,this.minzoom),d=Math.max(n+TilePyramid.maxUnderzooming,this.minzoom),h={},l=(new Date).getTime();this._coveredTiles={};var m=e?this.coveringTiles(i):[];for(t=0;t<m.length;t++)r=m[t],a=this.addTile(r),h[r.id]=!0,a.isRenderable()||this.findLoadedChildren(r,d,h)||this.findLoadedParent(r,s,h);for(var c={},u=Object.keys(h),f=0;f<u.length;f++){var v=u[f];r=TileCoord.fromID(v),a=this._tiles[v],a&&a.timeAdded>l-(o||0)&&(this.findLoadedChildren(r,d,h)&&(h[v]=!0),this.findLoadedParent(r,s,c))}var _;for(_ in c)h[_]||(this._coveredTiles[_]=!0);for(_ in c)h[_]=!0;var T=util.keysDifference(this._tiles,h);for(t=0;t<T.length;t++)this.removeTile(+T[t]);this.transform=i},addTile:function(e){var i=this._tiles[e.id];if(i)return i;var o=e.wrapped();if(i=this._tiles[o.id],i||(i=this._cache.get(o.id),i&&this._redoPlacement&&this._redoPlacement(i)),!i){var t=e.z,r=t>this.maxzoom?Math.pow(2,t-this.maxzoom):1;i=new Tile(o,this.tileSize*r,this.maxzoom),this._load(i)}return i.uses++,this._tiles[e.id]=i,this._add(i,e),i},removeTile:function(e){var i=this._tiles[e];i&&(i.uses--,delete this._tiles[e],this._remove(i),i.uses>0||(i.isRenderable()?this._cache.add(i.coord.wrapped().id,i):(this._abort(i),this._unload(i))))},clearTiles:function(){for(var e in this._tiles)this.removeTile(e);this._cache.reset()},tilesIn:function(e){for(var i={},o=this.getIds(),t=1/0,r=1/0,a=-(1/0),n=-(1/0),s=e[0].zoom,d=0;d<e.length;d++){var h=e[d];t=Math.min(t,h.column),r=Math.min(r,h.row),a=Math.max(a,h.column),n=Math.max(n,h.row)}for(var l=0;l<o.length;l++){var m=this._tiles[o[l]],c=TileCoord.fromID(o[l]),u=[coordinateToTilePoint(c,m.sourceMaxZoom,new Coordinate(t,r,s)),coordinateToTilePoint(c,m.sourceMaxZoom,new Coordinate(a,n,s))];if(u[0].x<EXTENT&&u[0].y<EXTENT&&u[1].x>=0&&u[1].y>=0){for(var f=[],v=0;v<e.length;v++)f.push(coordinateToTilePoint(c,m.sourceMaxZoom,e[v]));var _=i[m.coord.id];void 0===_&&(_=i[m.coord.id]={tile:m,coord:c,queryGeometry:[],scale:Math.pow(2,this.transform.zoom-m.coord.z)}),_.queryGeometry.push(f)}}var T=[];for(var z in i)T.push(i[z]);return T}};
-},{"../data/bucket":1,"../geo/coordinate":9,"../util/lru_cache":104,"../util/util":108,"./tile":35,"./tile_coord":36,"point-geometry":176}],38:[function(require,module,exports){
-"use strict";function VectorTileSource(e){if(util.extend(this,util.pick(e,["url","scheme","tileSize"])),this._options=util.extend({type:"vector"},e),512!==this.tileSize)throw new Error("vector tile sources must have a tileSize of 512");Source._loadTileJSON.call(this,e)}var util=require("../util/util"),Evented=require("../util/evented"),Source=require("./source"),normalizeURL=require("../util/mapbox").normalizeTileURL;module.exports=VectorTileSource,VectorTileSource.prototype=util.inherit(Evented,{minzoom:0,maxzoom:22,scheme:"xyz",tileSize:512,reparseOverscaled:!0,_loaded:!1,isTileClipped:!0,onAdd:function(e){this.map=e},loaded:function(){return this._pyramid&&this._pyramid.loaded()},update:function(e){this._pyramid&&this._pyramid.update(this.used,e)},reload:function(){this._pyramid&&this._pyramid.reload()},serialize:function(){return util.extend({},this._options)},getVisibleCoordinates:Source._getVisibleCoordinates,getTile:Source._getTile,queryRenderedFeatures:Source._queryRenderedVectorFeatures,querySourceFeatures:Source._querySourceFeatures,_loadTile:function(e){var i=e.coord.z>this.maxzoom?Math.pow(2,e.coord.z-this.maxzoom):1,t={url:normalizeURL(e.coord.url(this.tiles,this.maxzoom,this.scheme),this.url),uid:e.uid,coord:e.coord,zoom:e.coord.z,tileSize:this.tileSize*i,source:this.id,overscaling:i,angle:this.map.transform.angle,pitch:this.map.transform.pitch,showCollisionBoxes:this.map.showCollisionBoxes};e.workerID?(t.rawTileData=e.rawTileData,this.dispatcher.send("reload tile",t,this._tileLoaded.bind(this,e),e.workerID)):e.workerID=this.dispatcher.send("load tile",t,this._tileLoaded.bind(this,e))},_tileLoaded:function(e,i,t){if(!e.aborted){if(i)return e.state="errored",void this.fire("tile.error",{tile:e,error:i});e.loadVectorData(t,this.map.style),e.redoWhenDone&&(e.redoWhenDone=!1,e.redoPlacement(this)),this.fire("tile.load",{tile:e}),this.fire("tile.stats",t.bucketStats)}},_abortTile:function(e){e.aborted=!0,this.dispatcher.send("abort tile",{uid:e.uid,source:this.id},null,e.workerID)},_addTile:function(e){this.fire("tile.add",{tile:e})},_removeTile:function(e){this.fire("tile.remove",{tile:e})},_unloadTile:function(e){e.unloadVectorData(this.map.painter),this.dispatcher.send("remove tile",{uid:e.uid,source:this.id},null,e.workerID)},redoPlacement:Source.redoPlacement,_redoTilePlacement:function(e){e.redoPlacement(this)}});
-},{"../util/evented":100,"../util/mapbox":105,"../util/util":108,"./source":34}],39:[function(require,module,exports){
-"use strict";function VideoSource(e){this.urls=e.urls,this.coordinates=e.coordinates,ajax.getVideo(e.urls,function(t,i){if(!t){this.video=i,this.video.loop=!0;var r;this.video.addEventListener("playing",function(){r=this.map.style.animationLoop.set(1/0),this.map._rerender()}.bind(this)),this.video.addEventListener("pause",function(){this.map.style.animationLoop.cancel(r)}.bind(this)),this._loaded=!0,this.map&&(this.video.play(),this.setCoordinates(e.coordinates))}}.bind(this))}var util=require("../util/util"),Tile=require("./tile"),TileCoord=require("./tile_coord"),LngLat=require("../geo/lng_lat"),Point=require("point-geometry"),Evented=require("../util/evented"),ajax=require("../util/ajax"),EXTENT=require("../data/bucket").EXTENT,RasterBoundsArray=require("../render/draw_raster").RasterBoundsArray,Buffer=require("../data/buffer"),VertexArrayObject=require("../render/vertex_array_object");module.exports=VideoSource,VideoSource.prototype=util.inherit(Evented,{roundZoom:!0,getVideo:function(){return this.video},onAdd:function(e){this.map=e,this.video&&(this.video.play(),this.setCoordinates(this.coordinates))},setCoordinates:function(e){this.coordinates=e;var t=this.map,i=e.map(function(e){return t.transform.locationCoordinate(LngLat.convert(e)).zoomTo(0)}),r=this.centerCoord=util.getCoordinatesCenter(i);r.column=Math.round(r.column),r.row=Math.round(r.row);var o=i.map(function(e){var t=e.zoomTo(r.zoom);return new Point(Math.round((t.column-r.column)*EXTENT),Math.round((t.row-r.row)*EXTENT))}),n=32767,a=new RasterBoundsArray;return a.emplaceBack(o[0].x,o[0].y,0,0),a.emplaceBack(o[1].x,o[1].y,n,0),a.emplaceBack(o[3].x,o[3].y,0,n),a.emplaceBack(o[2].x,o[2].y,n,n),this.tile=new Tile(new TileCoord(r.zoom,r.column,r.row)),this.tile.buckets={},this.tile.boundsBuffer=new Buffer(a.serialize(),RasterBoundsArray.serialize(),Buffer.BufferType.VERTEX),this.tile.boundsVAO=new VertexArrayObject,this.fire("change"),this},loaded:function(){return this.video&&this.video.readyState>=2},update:function(){},reload:function(){},prepare:function(){if(this._loaded&&!(this.video.readyState<2)){var e=this.map.painter.gl;this.tile.texture?(e.bindTexture(e.TEXTURE_2D,this.tile.texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,e.RGBA,e.UNSIGNED_BYTE,this.video)):(this.tile.texture=e.createTexture(),e.bindTexture(e.TEXTURE_2D,this.tile.texture),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.LINEAR),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.LINEAR),e.texImage2D(e.TEXTURE_2D,0,e.RGBA,e.RGBA,e.UNSIGNED_BYTE,this.video)),this._currentTime=this.video.currentTime}},getVisibleCoordinates:function(){return this.tile?[this.tile.coord]:[]},getTile:function(){return this.tile},serialize:function(){return{type:"video",urls:this.urls,coordinates:this.coordinates}}});
-},{"../data/bucket":1,"../data/buffer":6,"../geo/lng_lat":10,"../render/draw_raster":22,"../render/vertex_array_object":28,"../util/ajax":92,"../util/evented":100,"../util/util":108,"./tile":35,"./tile_coord":36,"point-geometry":176}],40:[function(require,module,exports){
-"use strict";function Worker(e){this.self=e,this.actor=new Actor(e,this),this.loading={},this.loaded={},this.geoJSONIndexes={}}function createLayerFamilies(e){var r={};for(var t in e){var i=e[t],a=i.ref||i.id,o=e[a];o.layout&&"none"===o.layout.visibility||(r[a]=r[a]||[],t===a?r[a].unshift(i):r[a].push(i))}return r}var Actor=require("../util/actor"),WorkerTile=require("./worker_tile"),StyleLayer=require("../style/style_layer"),util=require("../util/util"),ajax=require("../util/ajax"),vt=require("vector-tile"),Protobuf=require("pbf"),supercluster=require("supercluster"),geojsonvt=require("geojson-vt"),rewind=require("geojson-rewind"),GeoJSONWrapper=require("./geojson_wrapper"),vtpbf=require("vt-pbf");module.exports=function(e){return new Worker(e)},util.extend(Worker.prototype,{"set layers":function(e){function r(e){var r=StyleLayer.create(e,e.ref&&t.layers[e.ref]);r.updatePaintTransitions({},{transition:!1}),t.layers[r.id]=r}this.layers={};for(var t=this,i=[],a=0;a<e.length;a++){var o=e[a];"fill"!==o.type&&"line"!==o.type&&"circle"!==o.type&&"symbol"!==o.type||(o.ref?i.push(a):r(o))}for(var s=0;s<i.length;s++)r(e[i[s]]);this.layerFamilies=createLayerFamilies(this.layers)},"update layers":function(e){function r(e){var r=a.layers[e.ref];a.layers[e.id]?a.layers[e.id].set(e,r):a.layers[e.id]=StyleLayer.create(e,r),a.layers[e.id].updatePaintTransitions({},{transition:!1})}var t,i,a=this;for(t in e)i=e[t],i.ref&&r(i);for(t in e)i=e[t],i.ref||r(i);this.layerFamilies=createLayerFamilies(this.layers)},"load tile":function(e,r){function t(e,t){return delete this.loading[i][a],e?r(e):(o.data=new vt.VectorTile(new Protobuf(new Uint8Array(t))),o.parse(o.data,this.layerFamilies,this.actor,t,r),this.loaded[i]=this.loaded[i]||{},void(this.loaded[i][a]=o))}var i=e.source,a=e.uid;this.loading[i]||(this.loading[i]={});var o=this.loading[i][a]=new WorkerTile(e);o.xhr=ajax.getArrayBuffer(e.url,t.bind(this))},"reload tile":function(e,r){var t=this.loaded[e.source],i=e.uid;if(t&&t[i]){var a=t[i];a.parse(a.data,this.layerFamilies,this.actor,e.rawTileData,r)}},"abort tile":function(e){var r=this.loading[e.source],t=e.uid;r&&r[t]&&(r[t].xhr.abort(),delete r[t])},"remove tile":function(e){var r=this.loaded[e.source],t=e.uid;r&&r[t]&&delete r[t]},"redo placement":function(e,r){var t=this.loaded[e.source],i=this.loading[e.source],a=e.uid;if(t&&t[a]){var o=t[a],s=o.redoPlacement(e.angle,e.pitch,e.showCollisionBoxes);s.result&&r(null,s.result,s.transferables)}else i&&i[a]&&(i[a].angle=e.angle)},"parse geojson":function(e,r){var t=function(t,i){if(rewind(i,!0),t)return r(t);if("object"!=typeof i)return r(new Error("Input data is not a valid GeoJSON object."));try{this.geoJSONIndexes[e.source]=e.cluster?supercluster(e.superclusterOptions).load(i.features):geojsonvt(i,e.geojsonVtOptions)}catch(t){return r(t)}r(null)}.bind(this);if(e.url)ajax.getJSON(e.url,t);else{if("string"!=typeof e.data)return r(new Error("Input data is not a valid GeoJSON object."));t(null,JSON.parse(e.data))}},"load geojson tile":function(e,r){var t=e.source,i=e.coord;if(!this.geoJSONIndexes[t])return r(null,null);var a=this.geoJSONIndexes[t].getTile(Math.min(i.z,e.maxZoom),i.x,i.y),o=a?new WorkerTile(e):void 0;if(this.loaded[t]=this.loaded[t]||{},this.loaded[t][e.uid]=o,!a)return r(null,null);var s=new GeoJSONWrapper(a.features);s.name="_geojsonTileLayer";var l=vtpbf({layers:{_geojsonTileLayer:s}});0===l.byteOffset&&l.byteLength===l.buffer.byteLength||(l=new Uint8Array(l)),o.parse(s,this.layerFamilies,this.actor,l.buffer,r)}});
-},{"../style/style_layer":48,"../util/actor":91,"../util/ajax":92,"../util/util":108,"./geojson_wrapper":30,"./worker_tile":41,"geojson-rewind":124,"geojson-vt":129,"pbf":174,"supercluster":180,"vector-tile":186,"vt-pbf":190}],41:[function(require,module,exports){
-"use strict";function WorkerTile(e){this.coord=e.coord,this.uid=e.uid,this.zoom=e.zoom,this.tileSize=e.tileSize,this.source=e.source,this.overscaling=e.overscaling,this.angle=e.angle,this.pitch=e.pitch,this.showCollisionBoxes=e.showCollisionBoxes}function isBucketEmpty(e){for(var r in e.arrayGroups)for(var s=e.arrayGroups[r],o=0;o<s.length;o++){var i=s[o];for(var a in i){var t=i[a];for(var n in t)if(t[n].length>0)return!0}}return!1}function serializeBucket(e){return e.serialize()}function getTransferables(e){var r=[];for(var s in e){var o=e[s];for(var i in o.arrayGroups)for(var a=o.arrayGroups[i],t=0;t<a.length;t++){var n=a[t];for(var l in n){var u=n[l];for(var c in u)r.push(u[c].arrayBuffer)}}}return r}function getLayerId(e){return e.id}var FeatureIndex=require("../data/feature_index"),CollisionTile=require("../symbol/collision_tile"),Bucket=require("../data/bucket"),CollisionBoxArray=require("../symbol/collision_box"),DictionaryCoder=require("../util/dictionary_coder"),util=require("../util/util"),SymbolInstancesArray=require("../symbol/symbol_instances"),SymbolQuadsArray=require("../symbol/symbol_quads");module.exports=WorkerTile,WorkerTile.prototype.parse=function(e,r,s,o,i){function a(e,r){for(var s=0;s<e.length;s++){var o=e.feature(s);o.index=s;for(var i in r)r[i].filter(o)&&r[i].features.push(o)}}function t(e){if(e)return i(e);if(L++,2===L){for(var r=k.length-1;r>=0;r--)n(b,k[r]);l()}}function n(e,r){var s=Date.now();r.populateBuffers(f,T,w);var o=Date.now()-s;if("symbol"!==r.type)for(var i=0;i<r.features.length;i++){var a=r.features[i];d.insert(a,a.index,r.sourceLayerIndex,r.index)}r.features=null,v._total+=o,v[r.id]=(v[r.id]||0)+o}function l(){b.status="done",b.redoPlacementAfterDone&&(b.redoPlacement(b.angle,b.pitch,null),b.redoPlacementAfterDone=!1);var e=d.serialize(),r=f.serialize(),s=b.collisionBoxArray.serialize(),a=b.symbolInstancesArray.serialize(),t=b.symbolQuadsArray.serialize(),n=[o].concat(e.transferables).concat(r.transferables),l=B.filter(isBucketEmpty);i(null,{buckets:l.map(serializeBucket),bucketStats:v,featureIndex:e.data,collisionTile:r.data,collisionBoxArray:s,symbolInstancesArray:a,symbolQuadsArray:t,rawTileData:o},getTransferables(l).concat(n))}this.status="parsing",this.data=e,this.collisionBoxArray=new CollisionBoxArray,this.symbolInstancesArray=new SymbolInstancesArray,this.symbolQuadsArray=new SymbolQuadsArray;var u,c,y,h,f=new CollisionTile(this.angle,this.pitch,this.collisionBoxArray),d=new FeatureIndex(this.coord,this.overscaling,f,e.layers),m=new DictionaryCoder(e.layers?Object.keys(e.layers).sort():["_geojsonTileLayer"]),v={_total:0},b=this,p={},g={},x=0;for(var A in r)c=r[A][0],c.source===this.source&&(c.ref||c.minzoom&&this.zoom<c.minzoom||c.maxzoom&&this.zoom>=c.maxzoom||c.layout&&"none"===c.layout.visibility||e.layers&&!e.layers[c.sourceLayer]||(h=Bucket.create({layer:c,index:x++,childLayers:r[A],zoom:this.zoom,overscaling:this.overscaling,showCollisionBoxes:this.showCollisionBoxes,collisionBoxArray:this.collisionBoxArray,symbolQuadsArray:this.symbolQuadsArray,symbolInstancesArray:this.symbolInstancesArray,sourceLayerIndex:m.encode(c.sourceLayer||"_geojsonTileLayer")}),h.createFilter(),p[c.id]=h,e.layers&&(y=c.sourceLayer,g[y]=g[y]||{},g[y][c.id]=h)));if(e.layers)for(y in g)1===c.version&&util.warnOnce('Vector tile source "'+this.source+'" layer "'+y+'" does not use vector tile spec v2 and therefore may have some rendering errors.'),c=e.layers[y],c&&a(c,g[y]);else a(e,p);var B=[],k=this.symbolBuckets=[],z=[];d.bucketLayerIDs={};for(var I in p)h=p[I],0!==h.features.length&&(d.bucketLayerIDs[h.index]=h.childLayers.map(getLayerId),B.push(h),"symbol"===h.type?k.push(h):z.push(h));var w={},T={},L=0;if(k.length>0){for(u=k.length-1;u>=0;u--)k[u].updateIcons(w),k[u].updateFont(T);for(var C in T)T[C]=Object.keys(T[C]).map(Number);w=Object.keys(w),s.send("get glyphs",{uid:this.uid,stacks:T},function(e,r){T=r,t(e)}),w.length?s.send("get icons",{icons:w},function(e,r){w=r,t(e)}):t()}for(u=z.length-1;u>=0;u--)n(this,z[u]);return 0===k.length?l():void 0},WorkerTile.prototype.redoPlacement=function(e,r,s){if("done"!==this.status)return this.redoPlacementAfterDone=!0,this.angle=e,{};for(var o=new CollisionTile(e,r,this.collisionBoxArray),i=this.symbolBuckets,a=i.length-1;a>=0;a--)i[a].placeFeatures(o,s);var t=o.serialize(),n=i.filter(isBucketEmpty);return{result:{buckets:n.map(serializeBucket),collisionTile:t.data},transferables:getTransferables(n).concat(t.transferables)}};
-},{"../data/bucket":1,"../data/feature_index":7,"../symbol/collision_box":61,"../symbol/collision_tile":63,"../symbol/symbol_instances":72,"../symbol/symbol_quads":73,"../util/dictionary_coder":99,"../util/util":108}],42:[function(require,module,exports){
-"use strict";function AnimationLoop(){this.n=0,this.times=[]}module.exports=AnimationLoop,AnimationLoop.prototype.stopped=function(){return this.times=this.times.filter(function(t){return t.time>=(new Date).getTime()}),!this.times.length},AnimationLoop.prototype.set=function(t){return this.times.push({id:this.n,time:t+(new Date).getTime()}),this.n++},AnimationLoop.prototype.cancel=function(t){this.times=this.times.filter(function(i){return i.id!==t})};
-},{}],43:[function(require,module,exports){
-"use strict";function ImageSprite(t){this.base=t,this.retina=browser.devicePixelRatio>1;var i=this.retina?"@2x":"";ajax.getJSON(normalizeURL(t,i,".json"),function(t,i){return t?void this.fire("error",{error:t}):(this.data=i,void(this.img&&this.fire("load")))}.bind(this)),ajax.getImage(normalizeURL(t,i,".png"),function(t,i){if(t)return void this.fire("error",{error:t});for(var e=i.getData(),r=i.data=new Uint8Array(e.length),a=0;a<e.length;a+=4){var o=e[a+3]/255;r[a+0]=e[a+0]*o,r[a+1]=e[a+1]*o,r[a+2]=e[a+2]*o,r[a+3]=e[a+3]}this.img=i,this.data&&this.fire("load")}.bind(this))}function SpritePosition(){}var Evented=require("../util/evented"),ajax=require("../util/ajax"),browser=require("../util/browser"),normalizeURL=require("../util/mapbox").normalizeSpriteURL;module.exports=ImageSprite,ImageSprite.prototype=Object.create(Evented),ImageSprite.prototype.toJSON=function(){return this.base},ImageSprite.prototype.loaded=function(){return!(!this.data||!this.img)},ImageSprite.prototype.resize=function(){if(browser.devicePixelRatio>1!==this.retina){var t=new ImageSprite(this.base);t.on("load",function(){this.img=t.img,this.data=t.data,this.retina=t.retina}.bind(this))}},SpritePosition.prototype={x:0,y:0,width:0,height:0,pixelRatio:1,sdf:!1},ImageSprite.prototype.getSpritePosition=function(t){if(!this.loaded())return new SpritePosition;var i=this.data&&this.data[t];return i&&this.img?i:new SpritePosition};
-},{"../util/ajax":92,"../util/browser":93,"../util/evented":100,"../util/mapbox":105}],44:[function(require,module,exports){
-"use strict";var parseColorString=require("csscolorparser").parseCSSColor,util=require("../util/util"),StyleFunction=require("./style_function"),cache={};module.exports=function r(e){if(StyleFunction.isFunctionDefinition(e))return util.extend({},e,{stops:e.stops.map(function(e){return[e[0],r(e[1])]})});if("string"==typeof e){if(!cache[e]){var t=parseColorString(e);if(!t)throw new Error("Invalid color "+e);cache[e]=[t[0]/255*t[3],t[1]/255*t[3],t[2]/255*t[3],t[3]]}return cache[e]}throw new Error("Invalid color "+e)};
-},{"../util/util":108,"./style_function":47,"csscolorparser":121}],45:[function(require,module,exports){
-"use strict";function Style(e,t,r){this.animationLoop=t||new AnimationLoop,this.dispatcher=new Dispatcher(r||1,this),this.spriteAtlas=new SpriteAtlas(1024,1024),this.lineAtlas=new LineAtlas(256,512),this._layers={},this._order=[],this._groups=[],this.sources={},this.zoomHistory={},util.bindAll(["_forwardSourceEvent","_forwardTileEvent","_forwardLayerEvent","_redoPlacement"],this),this._resetUpdates();var s=function(e,t){if(e)return void this.fire("error",{error:e});if(!validateStyle.emitErrors(this,validateStyle(t))){this._loaded=!0,this.stylesheet=t,this.updateClasses();var r=t.sources;for(var s in r)this.addSource(s,r[s]);t.sprite&&(this.sprite=new ImageSprite(t.sprite),this.sprite.on("load",this.fire.bind(this,"change"))),this.glyphSource=new GlyphSource(t.glyphs),this._resolve(),this.fire("load")}}.bind(this);"string"==typeof e?ajax.getJSON(normalizeURL(e),s):browser.frame(s.bind(this,null,e)),this.on("source.load",function(e){var t=e.source;if(t&&t.vectorLayerIds)for(var r in this._layers){var s=this._layers[r];s.source===t.id&&this._validateLayer(s)}})}var Evented=require("../util/evented"),StyleLayer=require("./style_layer"),ImageSprite=require("./image_sprite"),GlyphSource=require("../symbol/glyph_source"),SpriteAtlas=require("../symbol/sprite_atlas"),LineAtlas=require("../render/line_atlas"),util=require("../util/util"),ajax=require("../util/ajax"),normalizeURL=require("../util/mapbox").normalizeStyleURL,browser=require("../util/browser"),Dispatcher=require("../util/dispatcher"),AnimationLoop=require("./animation_loop"),validateStyle=require("./validate_style"),Source=require("../source/source"),styleSpec=require("./style_spec"),StyleFunction=require("./style_function");module.exports=Style,Style.prototype=util.inherit(Evented,{_loaded:!1,_validateLayer:function(e){var t=this.sources[e.source];e.sourceLayer&&t&&t.vectorLayerIds&&-1===t.vectorLayerIds.indexOf(e.sourceLayer)&&this.fire("error",{error:new Error('Source layer "'+e.sourceLayer+'" does not exist on source "'+t.id+'" as specified by style layer "'+e.id+'"')})},loaded:function(){if(!this._loaded)return!1;if(Object.keys(this._updates.sources).length)return!1;for(var e in this.sources)if(!this.sources[e].loaded())return!1;return!this.sprite||this.sprite.loaded()},_resolve:function(){var e,t;this._layers={},this._order=this.stylesheet.layers.map(function(e){return e.id});for(var r=0;r<this.stylesheet.layers.length;r++)t=this.stylesheet.layers[r],t.ref||(e=StyleLayer.create(t),this._layers[e.id]=e,e.on("error",this._forwardLayerEvent));for(var s=0;s<this.stylesheet.layers.length;s++)if(t=this.stylesheet.layers[s],t.ref){var i=this.getLayer(t.ref);e=StyleLayer.create(t,i),this._layers[e.id]=e,e.on("error",this._forwardLayerEvent)}this._groupLayers(),this._updateWorkerLayers()},_groupLayers:function(){var e;this._groups=[];for(var t=0;t<this._order.length;++t){var r=this._layers[this._order[t]];e&&r.source===e.source||(e=[],e.source=r.source,this._groups.push(e)),e.push(r)}},_updateWorkerLayers:function(e){this.dispatcher.broadcast(e?"update layers":"set layers",this._serializeLayers(e))},_serializeLayers:function(e){e=e||this._order;for(var t=[],r={includeRefProperties:!0},s=0;s<e.length;s++)t.push(this._layers[e[s]].serialize(r));return t},_applyClasses:function(e,t){if(this._loaded){e=e||[],t=t||{transition:!0};var r=this.stylesheet.transition||{},s=this._updates.allPaintProps?this._layers:this._updates.paintProps;for(var i in s){var a=this._layers[i],o=this._updates.paintProps[i];if(this._updates.allPaintProps||o.all)a.updatePaintTransitions(e,t,r,this.animationLoop);else for(var n in o)this._layers[i].updatePaintTransition(n,e,t,r,this.animationLoop)}}},_recalculate:function(e){for(var t in this.sources)this.sources[t].used=!1;this._updateZoomHistory(e),this.rasterFadeDuration=300;for(var r in this._layers){var s=this._layers[r];s.recalculate(e,this.zoomHistory),!s.isHidden(e)&&s.source&&(this.sources[s.source].used=!0)}var i=300;Math.floor(this.z)!==Math.floor(e)&&this.animationLoop.set(i),this.z=e,this.fire("zoom")},_updateZoomHistory:function(e){var t=this.zoomHistory;void 0===t.lastIntegerZoom&&(t.lastIntegerZoom=Math.floor(e),t.lastIntegerZoomTime=0,t.lastZoom=e),Math.floor(t.lastZoom)<Math.floor(e)?(t.lastIntegerZoom=Math.floor(e),t.lastIntegerZoomTime=Date.now()):Math.floor(t.lastZoom)>Math.floor(e)&&(t.lastIntegerZoom=Math.floor(e+1),t.lastIntegerZoomTime=Date.now()),t.lastZoom=e},_checkLoaded:function(){if(!this._loaded)throw new Error("Style is not done loading")},update:function(e,t){if(!this._updates.changed)return this;if(this._updates.allLayers)this._groupLayers(),this._updateWorkerLayers();else{var r=Object.keys(this._updates.layers);r.length&&this._updateWorkerLayers(r)}var s,i=Object.keys(this._updates.sources);for(s=0;s<i.length;s++)this._reloadSource(i[s]);for(s=0;s<this._updates.events.length;s++){var a=this._updates.events[s];this.fire(a[0],a[1])}return this._applyClasses(e,t),this._updates.changed&&this.fire("change"),this._resetUpdates(),this},_resetUpdates:function(){this._updates={events:[],layers:{},sources:{},paintProps:{}}},addSource:function(e,t){if(this._checkLoaded(),void 0!==this.sources[e])throw new Error("There is already a source with this ID");return!Source.is(t)&&this._handleErrors(validateStyle.source,"sources."+e,t)?this:(t=Source.create(t),this.sources[e]=t,t.id=e,t.style=this,t.dispatcher=this.dispatcher,t.on("load",this._forwardSourceEvent).on("error",this._forwardSourceEvent).on("change",this._forwardSourceEvent).on("tile.add",this._forwardTileEvent).on("tile.load",this._forwardTileEvent).on("tile.error",this._forwardTileEvent).on("tile.remove",this._forwardTileEvent).on("tile.stats",this._forwardTileEvent),this._updates.events.push(["source.add",{source:t}]),this._updates.changed=!0,this)},removeSource:function(e){if(this._checkLoaded(),void 0===this.sources[e])throw new Error("There is no source with this ID");var t=this.sources[e];return delete this.sources[e],t.off("load",this._forwardSourceEvent).off("error",this._forwardSourceEvent).off("change",this._forwardSourceEvent).off("tile.add",this._forwardTileEvent).off("tile.load",this._forwardTileEvent).off("tile.error",this._forwardTileEvent).off("tile.remove",this._forwardTileEvent).off("tile.stats",this._forwardTileEvent),this._updates.events.push(["source.remove",{source:t}]),this._updates.changed=!0,this},getSource:function(e){return this.sources[e]},addLayer:function(e,t){if(this._checkLoaded(),!(e instanceof StyleLayer)){if(this._handleErrors(validateStyle.layer,"layers."+e.id,e,!1,{arrayIndex:-1}))return this;var r=e.ref&&this.getLayer(e.ref);e=StyleLayer.create(e,r)}return this._validateLayer(e),e.on("error",this._forwardLayerEvent),this._layers[e.id]=e,this._order.splice(t?this._order.indexOf(t):1/0,0,e.id),this._updates.allLayers=!0,e.source&&(this._updates.sources[e.source]=!0),this._updates.events.push(["layer.add",{layer:e}]),this.updateClasses(e.id)},removeLayer:function(e){this._checkLoaded();var t=this._layers[e];if(void 0===t)throw new Error("There is no layer with this ID");for(var r in this._layers)this._layers[r].ref===e&&this.removeLayer(r);return t.off("error",this._forwardLayerEvent),delete this._layers[e],delete this._updates.layers[e],delete this._updates.paintProps[e],this._order.splice(this._order.indexOf(e),1),this._updates.allLayers=!0,this._updates.events.push(["layer.remove",{layer:t}]),this._updates.changed=!0,this},getLayer:function(e){return this._layers[e]},getReferentLayer:function(e){var t=this.getLayer(e);return t.ref&&(t=this.getLayer(t.ref)),t},setLayerZoomRange:function(e,t,r){this._checkLoaded();var s=this.getReferentLayer(e);return s.minzoom===t&&s.maxzoom===r?this:(null!=t&&(s.minzoom=t),null!=r&&(s.maxzoom=r),this._updateLayer(s))},setFilter:function(e,t){this._checkLoaded();var r=this.getReferentLayer(e);return null!==t&&this._handleErrors(validateStyle.filter,"layers."+r.id+".filter",t)?this:util.deepEqual(r.filter,t)?this:(r.filter=util.clone(t),this._updateLayer(r))},getFilter:function(e){return this.getReferentLayer(e).filter},setLayoutProperty:function(e,t,r){this._checkLoaded();var s=this.getReferentLayer(e);return util.deepEqual(s.getLayoutProperty(t),r)?this:(s.setLayoutProperty(t,r),this._updateLayer(s))},getLayoutProperty:function(e,t){return this.getReferentLayer(e).getLayoutProperty(t)},setPaintProperty:function(e,t,r,s){this._checkLoaded();var i=this.getLayer(e);if(util.deepEqual(i.getPaintProperty(t,s),r))return this;var a=i.isPaintValueFeatureConstant(t);i.setPaintProperty(t,r,s);var o=!(r&&StyleFunction.isFunctionDefinition(r)&&"$zoom"!==r.property&&void 0!==r.property);return o&&a||(this._updates.layers[e]=!0,i.source&&(this._updates.sources[i.source]=!0)),this.updateClasses(e,t)},getPaintProperty:function(e,t,r){return this.getLayer(e).getPaintProperty(t,r)},updateClasses:function(e,t){if(this._updates.changed=!0,e){var r=this._updates.paintProps;r[e]||(r[e]={}),r[e][t||"all"]=!0}else this._updates.allPaintProps=!0;return this},serialize:function(){return util.filterObject({version:this.stylesheet.version,name:this.stylesheet.name,metadata:this.stylesheet.metadata,center:this.stylesheet.center,zoom:this.stylesheet.zoom,bearing:this.stylesheet.bearing,pitch:this.stylesheet.pitch,sprite:this.stylesheet.sprite,glyphs:this.stylesheet.glyphs,transition:this.stylesheet.transition,sources:util.mapObject(this.sources,function(e){return e.serialize()}),layers:this._order.map(function(e){return this._layers[e].serialize()},this)},function(e){return void 0!==e})},_updateLayer:function(e){return this._updates.layers[e.id]=!0,e.source&&(this._updates.sources[e.source]=!0),this._updates.changed=!0,this},_flattenRenderedFeatures:function(e){for(var t=[],r=this._order.length-1;r>=0;r--)for(var s=this._order[r],i=0;i<e.length;i++){var a=e[i][s];if(a)for(var o=0;o<a.length;o++)t.push(a[o])}return t},queryRenderedFeatures:function(e,t,r,s){t&&t.filter&&this._handleErrors(validateStyle.filter,"queryRenderedFeatures.filter",t.filter,!0);var i=[];for(var a in this.sources){var o=this.sources[a];o.queryRenderedFeatures&&i.push(o.queryRenderedFeatures(e,t,r,s))}return this._flattenRenderedFeatures(i)},querySourceFeatures:function(e,t){t&&t.filter&&this._handleErrors(validateStyle.filter,"querySourceFeatures.filter",t.filter,!0);var r=this.getSource(e);return r&&r.querySourceFeatures?r.querySourceFeatures(t):[]},_handleErrors:function(e,t,r,s,i){var a=s?validateStyle.throwErrors:validateStyle.emitErrors,o=e.call(validateStyle,util.extend({key:t,style:this.serialize(),value:r,styleSpec:styleSpec},i));return a.call(validateStyle,this,o)},_remove:function(){this.dispatcher.remove()},_reloadSource:function(e){this.sources[e].reload()},_updateSources:function(e){for(var t in this.sources)this.sources[t].update(e)},_redoPlacement:function(){for(var e in this.sources)this.sources[e].redoPlacement&&this.sources[e].redoPlacement()},_forwardSourceEvent:function(e){this.fire("source."+e.type,util.extend({source:e.target},e))},_forwardTileEvent:function(e){this.fire(e.type,util.extend({source:e.target},e))},_forwardLayerEvent:function(e){this.fire("layer."+e.type,util.extend({layer:{id:e.target.id}},e))},"get sprite json":function(e,t){var r=this.sprite;r.loaded()?t(null,{sprite:r.data,retina:r.retina}):r.on("load",function(){t(null,{sprite:r.data,retina:r.retina})})},"get icons":function(e,t){var r=this.sprite,s=this.spriteAtlas;r.loaded()?(s.setSprite(r),s.addIcons(e.icons,t)):r.on("load",function(){s.setSprite(r),s.addIcons(e.icons,t)})},"get glyphs":function(e,t){function r(e,r,s){e&&console.error(e),a[s]=r,i--,0===i&&t(null,a)}var s=e.stacks,i=Object.keys(s).length,a={};for(var o in s)this.glyphSource.getSimpleGlyphs(o,s[o],e.uid,r)}});
-},{"../render/line_atlas":25,"../source/source":34,"../symbol/glyph_source":66,"../symbol/sprite_atlas":71,"../util/ajax":92,"../util/browser":93,"../util/dispatcher":95,"../util/evented":100,"../util/mapbox":105,"../util/util":108,"./animation_loop":42,"./image_sprite":43,"./style_function":47,"./style_layer":48,"./style_spec":55,"./validate_style":57}],46:[function(require,module,exports){
-"use strict";function StyleDeclaration(t,o){this.value=util.clone(o),this.isFunction=MapboxGLFunction.isFunctionDefinition(o),this.json=JSON.stringify(this.value);var i="color"===t.type?parseColor(this.value):o;if(this.calculate=MapboxGLFunction[t["function"]||"piecewise-constant"](i),this.isFeatureConstant=this.calculate.isFeatureConstant,this.isZoomConstant=this.calculate.isZoomConstant,"piecewise-constant"===t["function"]&&t.transition&&(this.calculate=transitioned(this.calculate)),!this.isFeatureConstant&&!this.isZoomConstant){this.stopZoomLevels=[];for(var e=[],s=this.value.stops,n=0;n<this.value.stops.length;n++){var a=s[n][0].zoom;this.stopZoomLevels.indexOf(a)<0&&(this.stopZoomLevels.push(a),e.push([a,e.length]))}this.calculateInterpolationT=MapboxGLFunction.interpolated({stops:e,base:o.base})}}function transitioned(t){return function(o,i){var e,s,n,a=o.zoom,l=o.zoomHistory,r=o.duration,u=a%1,c=Math.min((Date.now()-l.lastIntegerZoomTime)/r,1),h=1,p=1;return a>l.lastIntegerZoom?(e=u+(1-u)*c,h*=2,s=t({zoom:a-1},i),n=t({zoom:a},i)):(e=1-(1-c)*u,n=t({zoom:a},i),s=t({zoom:a+1},i),h/=2),void 0===s||void 0===n?void 0:{from:s,fromScale:h,to:n,toScale:p,t:e}}}var MapboxGLFunction=require("./style_function"),parseColor=require("./parse_color"),util=require("../util/util");module.exports=StyleDeclaration;
-},{"../util/util":108,"./parse_color":44,"./style_function":47}],47:[function(require,module,exports){
-"use strict";var MapboxGLFunction=require("mapbox-gl-function");exports.interpolated=function(n){var t=MapboxGLFunction.interpolated(n),o=function(n,o){return t(n&&n.zoom,o||{})};return o.isFeatureConstant=t.isFeatureConstant,o.isZoomConstant=t.isZoomConstant,o},exports["piecewise-constant"]=function(n){var t=MapboxGLFunction["piecewise-constant"](n),o=function(n,o){return t(n&&n.zoom,o||{})};return o.isFeatureConstant=t.isFeatureConstant,o.isZoomConstant=t.isZoomConstant,o},exports.isFunctionDefinition=MapboxGLFunction.isFunctionDefinition;
-},{"mapbox-gl-function":145}],48:[function(require,module,exports){
-"use strict";function StyleLayer(t,i){this.set(t,i)}function getDeclarationValue(t){return t.value}var util=require("../util/util"),StyleTransition=require("./style_transition"),StyleDeclaration=require("./style_declaration"),styleSpec=require("./style_spec"),validateStyle=require("./validate_style"),parseColor=require("./parse_color"),Evented=require("../util/evented");module.exports=StyleLayer;var TRANSITION_SUFFIX="-transition";StyleLayer.create=function(t,i){var a={background:require("./style_layer/background_style_layer"),circle:require("./style_layer/circle_style_layer"),fill:require("./style_layer/fill_style_layer"),line:require("./style_layer/line_style_layer"),raster:require("./style_layer/raster_style_layer"),symbol:require("./style_layer/symbol_style_layer")};return new a[(i||t).type](t,i)},StyleLayer.prototype=util.inherit(Evented,{set:function(t,i){this.id=t.id,this.ref=t.ref,this.metadata=t.metadata,this.type=(i||t).type,this.source=(i||t).source,this.sourceLayer=(i||t)["source-layer"],this.minzoom=(i||t).minzoom,this.maxzoom=(i||t).maxzoom,this.filter=(i||t).filter,this.paint={},this.layout={},this._paintSpecifications=styleSpec["paint_"+this.type],this._layoutSpecifications=styleSpec["layout_"+this.type],this._paintTransitions={},this._paintTransitionOptions={},this._paintDeclarations={},this._layoutDeclarations={},this._layoutFunctions={};var a,e;for(var n in t){var r=n.match(/^paint(?:\.(.*))?$/);if(r){var s=r[1]||"";for(a in t[n])this.setPaintProperty(a,t[n][a],s)}}if(this.ref)this._layoutDeclarations=i._layoutDeclarations;else for(e in t.layout)this.setLayoutProperty(e,t.layout[e]);for(a in this._paintSpecifications)this.paint[a]=this.getPaintValue(a);for(e in this._layoutSpecifications)this._updateLayoutValue(e)},setLayoutProperty:function(t,i){if(null==i)delete this._layoutDeclarations[t];else{var a="layers."+this.id+".layout."+t;if(this._handleErrors(validateStyle.layoutProperty,a,t,i))return;this._layoutDeclarations[t]=new StyleDeclaration(this._layoutSpecifications[t],i)}this._updateLayoutValue(t)},getLayoutProperty:function(t){return this._layoutDeclarations[t]&&this._layoutDeclarations[t].value},getLayoutValue:function(t,i,a){var e=this._layoutSpecifications[t],n=this._layoutDeclarations[t];return n?n.calculate(i,a):e["default"]},setPaintProperty:function(t,i,a){var e="layers."+this.id+(a?'["paint.'+a+'"].':".paint.")+t;if(util.endsWith(t,TRANSITION_SUFFIX))if(this._paintTransitionOptions[a||""]||(this._paintTransitionOptions[a||""]={}),null===i||void 0===i)delete this._paintTransitionOptions[a||""][t];else{if(this._handleErrors(validateStyle.paintProperty,e,t,i))return;this._paintTransitionOptions[a||""][t]=i}else if(this._paintDeclarations[a||""]||(this._paintDeclarations[a||""]={}),null===i||void 0===i)delete this._paintDeclarations[a||""][t];else{if(this._handleErrors(validateStyle.paintProperty,e,t,i))return;this._paintDeclarations[a||""][t]=new StyleDeclaration(this._paintSpecifications[t],i)}},getPaintProperty:function(t,i){return i=i||"",util.endsWith(t,TRANSITION_SUFFIX)?this._paintTransitionOptions[i]&&this._paintTransitionOptions[i][t]:this._paintDeclarations[i]&&this._paintDeclarations[i][t]&&this._paintDeclarations[i][t].value},getPaintValue:function(t,i,a){var e=this._paintSpecifications[t],n=this._paintTransitions[t];return n?n.calculate(i,a):"color"===e.type&&e["default"]?parseColor(e["default"]):e["default"]},getPaintValueStopZoomLevels:function(t){var i=this._paintTransitions[t];return i?i.declaration.stopZoomLevels:[]},getPaintInterpolationT:function(t,i){var a=this._paintTransitions[t];return a.declaration.calculateInterpolationT({zoom:i})},isPaintValueFeatureConstant:function(t){var i=this._paintTransitions[t];return i?i.declaration.isFeatureConstant:!0},isLayoutValueFeatureConstant:function(t){var i=this._layoutDeclarations[t];return i?i.isFeatureConstant:!0},isPaintValueZoomConstant:function(t){var i=this._paintTransitions[t];return i?i.declaration.isZoomConstant:!0},isHidden:function(t){return this.minzoom&&t<this.minzoom?!0:this.maxzoom&&t>=this.maxzoom?!0:"none"===this.layout.visibility?!0:0===this.paint[this.type+"-opacity"]},updatePaintTransitions:function(t,i,a,e){for(var n=util.extend({},this._paintDeclarations[""]),r=0;r<t.length;r++)util.extend(n,this._paintDeclarations[t[r]]);var s;for(s in n)this._applyPaintDeclaration(s,n[s],i,a,e);for(s in this._paintTransitions)s in n||this._applyPaintDeclaration(s,null,i,a,e)},updatePaintTransition:function(t,i,a,e,n){for(var r=this._paintDeclarations[""][t],s=0;s<i.length;s++){var o=this._paintDeclarations[i[s]];o&&o[t]&&(r=o[t])}this._applyPaintDeclaration(t,r,a,e,n)},recalculate:function(t,i){for(var a in this._paintTransitions)this.paint[a]=this.getPaintValue(a,{zoom:t,zoomHistory:i});for(var e in this._layoutFunctions)this.layout[e]=this.getLayoutValue(e,{zoom:t,zoomHistory:i})},serialize:function(t){var i={id:this.id,ref:this.ref,metadata:this.metadata,minzoom:this.minzoom,maxzoom:this.maxzoom};for(var a in this._paintDeclarations){var e=""===a?"paint":"paint."+a;i[e]=util.mapObject(this._paintDeclarations[a],getDeclarationValue)}return(!this.ref||t&&t.includeRefProperties)&&util.extend(i,{type:this.type,source:this.source,"source-layer":this.sourceLayer,filter:this.filter,layout:util.mapObject(this._layoutDeclarations,getDeclarationValue)}),util.filterObject(i,function(t,i){return void 0!==t&&!("layout"===i&&!Object.keys(t).length)})},_applyPaintDeclaration:function(t,i,a,e,n){var r=a.transition?this._paintTransitions[t]:void 0,s=this._paintSpecifications[t];if(null!==i&&void 0!==i||(i=new StyleDeclaration(s,s["default"])),!r||r.declaration.json!==i.json){var o=util.extend({duration:300,delay:0},e,this.getPaintProperty(t+TRANSITION_SUFFIX)),l=this._paintTransitions[t]=new StyleTransition(s,i,r,o);l.instant()||(l.loopID=n.set(l.endTime-Date.now())),r&&n.cancel(r.loopID)}},_updateLayoutValue:function(t){var i=this._layoutDeclarations[t];i&&i.isFunction?this._layoutFunctions[t]=!0:(delete this._layoutFunctions[t],this.layout[t]=this.getLayoutValue(t))},_handleErrors:function(t,i,a,e){return validateStyle.emitErrors(this,t.call(validateStyle,{key:i,layerType:this.type,objectKey:a,value:e,styleSpec:styleSpec,style:{glyphs:!0,sprite:!0}}))}});
-},{"../util/evented":100,"../util/util":108,"./parse_color":44,"./style_declaration":46,"./style_layer/background_style_layer":49,"./style_layer/circle_style_layer":50,"./style_layer/fill_style_layer":51,"./style_layer/line_style_layer":52,"./style_layer/raster_style_layer":53,"./style_layer/symbol_style_layer":54,"./style_spec":55,"./style_transition":56,"./validate_style":57}],49:[function(require,module,exports){
-"use strict";function BackgroundStyleLayer(){StyleLayer.apply(this,arguments)}var util=require("../../util/util"),StyleLayer=require("../style_layer");module.exports=BackgroundStyleLayer,BackgroundStyleLayer.prototype=util.inherit(StyleLayer,{});
-},{"../../util/util":108,"../style_layer":48}],50:[function(require,module,exports){
-"use strict";function CircleStyleLayer(){StyleLayer.apply(this,arguments)}var util=require("../../util/util"),StyleLayer=require("../style_layer");module.exports=CircleStyleLayer,CircleStyleLayer.prototype=util.inherit(StyleLayer,{});
-},{"../../util/util":108,"../style_layer":48}],51:[function(require,module,exports){
-"use strict";function FillStyleLayer(){StyleLayer.apply(this,arguments)}var util=require("../../util/util"),StyleLayer=require("../style_layer");FillStyleLayer.prototype=util.inherit(StyleLayer,{getPaintValue:function(t,l,e){return"fill-outline-color"===t&&void 0===this.getPaintProperty("fill-outline-color")?StyleLayer.prototype.getPaintValue.call(this,"fill-color",l,e):StyleLayer.prototype.getPaintValue.call(this,t,l,e)},getPaintValueStopZoomLevels:function(t){return"fill-outline-color"===t&&void 0===this.getPaintProperty("fill-outline-color")?StyleLayer.prototype.getPaintValueStopZoomLevels.call(this,"fill-color"):StyleLayer.prototype.getPaintValueStopZoomLevels.call(this,arguments)},getPaintInterpolationT:function(t,l){return"fill-outline-color"===t&&void 0===this.getPaintProperty("fill-outline-color")?StyleLayer.prototype.getPaintInterpolationT.call(this,"fill-color",l):StyleLayer.prototype.getPaintInterpolationT.call(this,t,l)},isPaintValueFeatureConstant:function(t){return"fill-outline-color"===t&&void 0===this.getPaintProperty("fill-outline-color")?StyleLayer.prototype.isPaintValueFeatureConstant.call(this,"fill-color"):StyleLayer.prototype.isPaintValueFeatureConstant.call(this,t)},isPaintValueZoomConstant:function(t){return"fill-outline-color"===t&&void 0===this.getPaintProperty("fill-outline-color")?StyleLayer.prototype.isPaintValueZoomConstant.call(this,"fill-color"):StyleLayer.prototype.isPaintValueZoomConstant.call(this,t)}}),module.exports=FillStyleLayer;
-},{"../../util/util":108,"../style_layer":48}],52:[function(require,module,exports){
-"use strict";function LineStyleLayer(){StyleLayer.apply(this,arguments)}var util=require("../../util/util"),StyleLayer=require("../style_layer");module.exports=LineStyleLayer,LineStyleLayer.prototype=util.inherit(StyleLayer,{getPaintValue:function(e,t,i){var r=StyleLayer.prototype.getPaintValue.apply(this,arguments);if(r&&"line-dasharray"===e){var l=Math.floor(t.zoom);this._flooredZoom!==l&&(this._flooredZoom=l,this._flooredLineWidth=this.getPaintValue("line-width",t,i)),r.fromScale*=this._flooredLineWidth,r.toScale*=this._flooredLineWidth}return r}});
-},{"../../util/util":108,"../style_layer":48}],53:[function(require,module,exports){
-"use strict";function RasterStyleLayer(){StyleLayer.apply(this,arguments)}var util=require("../../util/util"),StyleLayer=require("../style_layer");module.exports=RasterStyleLayer,RasterStyleLayer.prototype=util.inherit(StyleLayer,{});
-},{"../../util/util":108,"../style_layer":48}],54:[function(require,module,exports){
-"use strict";function SymbolStyleLayer(){StyleLayer.apply(this,arguments)}var util=require("../../util/util"),StyleLayer=require("../style_layer");module.exports=SymbolStyleLayer,SymbolStyleLayer.prototype=util.inherit(StyleLayer,{isHidden:function(){if(StyleLayer.prototype.isHidden.apply(this,arguments))return!0;var t=0===this.paint["text-opacity"]||!this.layout["text-field"],e=0===this.paint["icon-opacity"]||!this.layout["icon-image"];return!(!t||!e)},getLayoutValue:function(t,e,i){return("text-rotation-alignment"!==t||"line"!==this.getLayoutValue("symbol-placement",e,i)||this.getLayoutProperty("text-rotation-alignment"))&&("icon-rotation-alignment"!==t||"line"!==this.getLayoutValue("symbol-placement",e,i)||this.getLayoutProperty("icon-rotation-alignment"))?"text-pitch-alignment"!==t||this.getLayoutProperty("text-pitch-alignment")?StyleLayer.prototype.getLayoutValue.apply(this,arguments):this.getLayoutValue("text-rotation-alignment"):"map"}});
-},{"../../util/util":108,"../style_layer":48}],55:[function(require,module,exports){
-"use strict";module.exports=require("mapbox-gl-style-spec/reference/latest");
-},{"mapbox-gl-style-spec/reference/latest":168}],56:[function(require,module,exports){
-"use strict";function StyleTransition(t,i,e,n){this.declaration=i,this.startTime=this.endTime=(new Date).getTime(),"piecewise-constant"===t["function"]&&t.transition?this.interp=interpZoomTransitioned:this.interp=interpolate[t.type],this.oldTransition=e,this.duration=n.duration||0,this.delay=n.delay||0,this.instant()||(this.endTime=this.startTime+this.duration+this.delay,this.ease=util.easeCubicInOut),e&&e.endTime<=this.startTime&&delete e.oldTransition}function interpZoomTransitioned(t,i,e){return void 0===(t&&t.to)||void 0===(i&&i.to)?void 0:{from:t.to,fromScale:t.toScale,to:i.to,toScale:i.toScale,t:e}}var util=require("../util/util"),interpolate=require("../util/interpolate");module.exports=StyleTransition,StyleTransition.prototype.instant=function(){return!this.oldTransition||!this.interp||0===this.duration&&0===this.delay},StyleTransition.prototype.calculate=function(t,i){var e=this.declaration.calculate(util.extend({},t,{duration:this.duration}),i);if(this.instant())return e;var n=t.time||Date.now();if(n<this.endTime){var a=this.oldTransition.calculate(util.extend({},t,{time:this.startTime}),i),o=this.ease((n-this.startTime-this.delay)/this.duration);e=this.interp(a,e,o)}return e};
-},{"../util/interpolate":102,"../util/util":108}],57:[function(require,module,exports){
-"use strict";module.exports=require("mapbox-gl-style-spec/lib/validate_style.min"),module.exports.emitErrors=function(r,e){if(e&&e.length){for(var o=0;o<e.length;o++)r.fire("error",{error:new Error(e[o].message)});return!0}return!1},module.exports.throwErrors=function(r,e){if(e)for(var o=0;o<e.length;o++)throw new Error(e[o].message)};
-},{"mapbox-gl-style-spec/lib/validate_style.min":167}],58:[function(require,module,exports){
-"use strict";function Anchor(t,e,o,n){this.x=t,this.y=e,this.angle=o,void 0!==n&&(this.segment=n)}var Point=require("point-geometry");module.exports=Anchor,Anchor.prototype=Object.create(Point.prototype),Anchor.prototype.clone=function(){return new Anchor(this.x,this.y,this.angle,this.segment)};
-},{"point-geometry":176}],59:[function(require,module,exports){
-"use strict";function checkMaxAngle(e,t,a,r,n){if(void 0===t.segment)return!0;for(var i=t,s=t.segment+1,f=0;f>-a/2;){if(s--,0>s)return!1;f-=e[s].dist(i),i=e[s]}f+=e[s].dist(e[s+1]),s++;for(var l=[],o=0;a/2>f;){var u=e[s-1],c=e[s],g=e[s+1];if(!g)return!1;var h=u.angleTo(c)-c.angleTo(g);for(h=Math.abs((h+3*Math.PI)%(2*Math.PI)-Math.PI),l.push({distance:f,angleDelta:h}),o+=h;f-l[0].distance>r;)o-=l.shift().angleDelta;if(o>n)return!1;s++,f+=c.dist(g)}return!0}module.exports=checkMaxAngle;
-},{}],60:[function(require,module,exports){
+"use strict";var wrap=require("../util/util").wrap,LngLat=function(t,n){if(isNaN(t)||isNaN(n))throw new Error("Invalid LngLat object: ("+t+", "+n+")");if(this.lng=+t,this.lat=+n,this.lat>90||this.lat<-90)throw new Error("Invalid LngLat latitude value: must be between -90 and 90")};LngLat.prototype.wrap=function(){return new LngLat(wrap(this.lng,-180,180),this.lat)},LngLat.prototype.toArray=function(){return[this.lng,this.lat]},LngLat.prototype.toString=function(){return"LngLat("+this.lng+", "+this.lat+")"},LngLat.convert=function(t){if(t instanceof LngLat)return t;if(t&&t.hasOwnProperty("lng")&&t.hasOwnProperty("lat"))return new LngLat(t.lng,t.lat);if(Array.isArray(t)&&2===t.length)return new LngLat(t[0],t[1]);throw new Error("`LngLatLike` argument must be specified as a LngLat instance, an object {lng: <lng>, lat: <lat>}, or an array of [<lng>, <lat>]")},module.exports=LngLat;
+},{"../util/util":126}],20:[function(require,module,exports){
+"use strict";var LngLat=require("./lng_lat"),LngLatBounds=function(t,n){t&&(n?this.setSouthWest(t).setNorthEast(n):4===t.length?this.setSouthWest([t[0],t[1]]).setNorthEast([t[2],t[3]]):this.setSouthWest(t[0]).setNorthEast(t[1]))};LngLatBounds.prototype.setNorthEast=function(t){return this._ne=LngLat.convert(t),this},LngLatBounds.prototype.setSouthWest=function(t){return this._sw=LngLat.convert(t),this},LngLatBounds.prototype.extend=function(t){var n,e,s=this._sw,o=this._ne;if(t instanceof LngLat)n=t,e=t;else{if(!(t instanceof LngLatBounds))return Array.isArray(t)?t.every(Array.isArray)?this.extend(LngLatBounds.convert(t)):this.extend(LngLat.convert(t)):this;if(n=t._sw,e=t._ne,!n||!e)return this}return s||o?(s.lng=Math.min(n.lng,s.lng),s.lat=Math.min(n.lat,s.lat),o.lng=Math.max(e.lng,o.lng),o.lat=Math.max(e.lat,o.lat)):(this._sw=new LngLat(n.lng,n.lat),this._ne=new LngLat(e.lng,e.lat)),this},LngLatBounds.prototype.getCenter=function(){return new LngLat((this._sw.lng+this._ne.lng)/2,(this._sw.lat+this._ne.lat)/2)},LngLatBounds.prototype.getSouthWest=function(){return this._sw},LngLatBounds.prototype.getNorthEast=function(){return this._ne},LngLatBounds.prototype.getNorthWest=function(){return new LngLat(this.getWest(),this.getNorth())},LngLatBounds.prototype.getSouthEast=function(){return new LngLat(this.getEast(),this.getSouth())},LngLatBounds.prototype.getWest=function(){return this._sw.lng},LngLatBounds.prototype.getSouth=function(){return this._sw.lat},LngLatBounds.prototype.getEast=function(){return this._ne.lng},LngLatBounds.prototype.getNorth=function(){return this._ne.lat},LngLatBounds.prototype.toArray=function(){return[this._sw.toArray(),this._ne.toArray()]},LngLatBounds.prototype.toString=function(){return"LngLatBounds("+this._sw.toString()+", "+this._ne.toString()+")"},LngLatBounds.convert=function(t){return!t||t instanceof LngLatBounds?t:new LngLatBounds(t)},module.exports=LngLatBounds;
+},{"./lng_lat":19}],21:[function(require,module,exports){
+"use strict";var LngLat=require("./lng_lat"),Point=require("point-geometry"),Coordinate=require("./coordinate"),util=require("../util/util"),interp=require("../util/interpolate"),TileCoord=require("../source/tile_coord"),EXTENT=require("../data/extent"),glmatrix=require("gl-matrix"),vec4=glmatrix.vec4,mat4=glmatrix.mat4,mat2=glmatrix.mat2,Transform=function(t,i){this.tileSize=512,this._minZoom=t||0,this._maxZoom=i||22,this.latRange=[-85.05113,85.05113],this.width=0,this.height=0,this._center=new LngLat(0,0),this.zoom=0,this.angle=0,this._altitude=1.5,this._pitch=0,this._unmodified=!0},prototypeAccessors={minZoom:{},maxZoom:{},worldSize:{},centerPoint:{},size:{},bearing:{},pitch:{},altitude:{},zoom:{},center:{},unmodified:{},x:{},y:{},point:{}};prototypeAccessors.minZoom.get=function(){return this._minZoom},prototypeAccessors.minZoom.set=function(t){this._minZoom!==t&&(this._minZoom=t,this.zoom=Math.max(this.zoom,t))},prototypeAccessors.maxZoom.get=function(){return this._maxZoom},prototypeAccessors.maxZoom.set=function(t){this._maxZoom!==t&&(this._maxZoom=t,this.zoom=Math.min(this.zoom,t))},prototypeAccessors.worldSize.get=function(){return this.tileSize*this.scale},prototypeAccessors.centerPoint.get=function(){return this.size._div(2)},prototypeAccessors.size.get=function(){return new Point(this.width,this.height)},prototypeAccessors.bearing.get=function(){return-this.angle/Math.PI*180},prototypeAccessors.bearing.set=function(t){var i=-util.wrap(t,-180,180)*Math.PI/180;this.angle!==i&&(this._unmodified=!1,this.angle=i,this._calcMatrices(),this.rotationMatrix=mat2.create(),mat2.rotate(this.rotationMatrix,this.rotationMatrix,this.angle))},prototypeAccessors.pitch.get=function(){return this._pitch/Math.PI*180},prototypeAccessors.pitch.set=function(t){var i=util.clamp(t,0,60)/180*Math.PI;this._pitch!==i&&(this._unmodified=!1,this._pitch=i,this._calcMatrices())},prototypeAccessors.altitude.get=function(){return this._altitude},prototypeAccessors.altitude.set=function(t){var i=Math.max(.75,t);this._altitude!==i&&(this._unmodified=!1,this._altitude=i,this._calcMatrices())},prototypeAccessors.zoom.get=function(){return this._zoom},prototypeAccessors.zoom.set=function(t){var i=Math.min(Math.max(t,this.minZoom),this.maxZoom);this._zoom!==i&&(this._unmodified=!1,this._zoom=i,this.scale=this.zoomScale(i),this.tileZoom=Math.floor(i),this.zoomFraction=i-this.tileZoom,this._constrain(),this._calcMatrices())},prototypeAccessors.center.get=function(){return this._center},prototypeAccessors.center.set=function(t){t.lat===this._center.lat&&t.lng===this._center.lng||(this._unmodified=!1,this._center=t,this._constrain(),this._calcMatrices())},Transform.prototype.coveringZoomLevel=function(t){return(t.roundZoom?Math.round:Math.floor)(this.zoom+this.scaleZoom(this.tileSize/t.tileSize))},Transform.prototype.coveringTiles=function(t){var i=this.coveringZoomLevel(t),o=i;if(i<t.minzoom)return[];i>t.maxzoom&&(i=t.maxzoom);var e=this,r=e.locationCoordinate(e.center)._zoomTo(i),n=new Point(r.column-.5,r.row-.5);return TileCoord.cover(i,[e.pointCoordinate(new Point(0,0))._zoomTo(i),e.pointCoordinate(new Point(e.width,0))._zoomTo(i),e.pointCoordinate(new Point(e.width,e.height))._zoomTo(i),e.pointCoordinate(new Point(0,e.height))._zoomTo(i)],t.reparseOverscaled?o:i).sort(function(t,i){return n.dist(t)-n.dist(i)})},Transform.prototype.resize=function(t,i){this.width=t,this.height=i,this.pixelsToGLUnits=[2/t,-2/i],this._constrain(),this._calcMatrices()},prototypeAccessors.unmodified.get=function(){return this._unmodified},Transform.prototype.zoomScale=function(t){return Math.pow(2,t)},Transform.prototype.scaleZoom=function(t){return Math.log(t)/Math.LN2},Transform.prototype.project=function(t,i){return new Point(this.lngX(t.lng,i),this.latY(t.lat,i))},Transform.prototype.unproject=function(t,i){return new LngLat(this.xLng(t.x,i),this.yLat(t.y,i))},prototypeAccessors.x.get=function(){return this.lngX(this.center.lng)},prototypeAccessors.y.get=function(){return this.latY(this.center.lat)},prototypeAccessors.point.get=function(){return new Point(this.x,this.y)},Transform.prototype.lngX=function(t,i){return(180+t)*(i||this.worldSize)/360},Transform.prototype.latY=function(t,i){var o=180/Math.PI*Math.log(Math.tan(Math.PI/4+t*Math.PI/360));return(180-o)*(i||this.worldSize)/360},Transform.prototype.xLng=function(t,i){return 360*t/(i||this.worldSize)-180},Transform.prototype.yLat=function(t,i){var o=180-360*t/(i||this.worldSize);return 360/Math.PI*Math.atan(Math.exp(o*Math.PI/180))-90},Transform.prototype.panBy=function(t){var i=this.centerPoint._add(t);this.center=this.pointLocation(i)},Transform.prototype.setLocationAtPoint=function(t,i){var o=this.locationCoordinate(t),e=this.pointCoordinate(i),r=this.pointCoordinate(this.centerPoint),n=e._sub(o);this._unmodified=!1,this.center=this.coordinateLocation(r._sub(n))},Transform.prototype.locationPoint=function(t){return this.coordinatePoint(this.locationCoordinate(t))},Transform.prototype.pointLocation=function(t){return this.coordinateLocation(this.pointCoordinate(t))},Transform.prototype.locationCoordinate=function(t){var i=this.zoomScale(this.tileZoom)/this.worldSize,o=LngLat.convert(t);return new Coordinate(this.lngX(o.lng)*i,this.latY(o.lat)*i,this.tileZoom)},Transform.prototype.coordinateLocation=function(t){var i=this.zoomScale(t.zoom);return new LngLat(this.xLng(t.column,i),this.yLat(t.row,i))},Transform.prototype.pointCoordinate=function(t){var i=0,o=[t.x,t.y,0,1],e=[t.x,t.y,1,1];vec4.transformMat4(o,o,this.pixelMatrixInverse),vec4.transformMat4(e,e,this.pixelMatrixInverse);var r=o[3],n=e[3],s=o[0]/r,a=e[0]/n,h=o[1]/r,c=e[1]/n,m=o[2]/r,l=e[2]/n,p=m===l?0:(i-m)/(l-m),u=this.worldSize/this.zoomScale(this.tileZoom);return new Coordinate(interp(s,a,p)/u,interp(h,c,p)/u,this.tileZoom)},Transform.prototype.coordinatePoint=function(t){var i=this.worldSize/this.zoomScale(t.zoom),o=[t.column*i,t.row*i,0,1];return vec4.transformMat4(o,o,this.pixelMatrix),new Point(o[0]/o[3],o[1]/o[3])},Transform.prototype.calculatePosMatrix=function(t,i){void 0===i&&(i=1/0),t instanceof TileCoord&&(t=t.toCoordinate(i));var o=Math.min(t.zoom,i),e=this.worldSize/Math.pow(2,o),r=new Float64Array(16);return mat4.identity(r),mat4.translate(r,r,[t.column*e,t.row*e,0]),mat4.scale(r,r,[e/EXTENT,e/EXTENT,1]),mat4.multiply(r,this.projMatrix,r),new Float32Array(r)},Transform.prototype._constrain=function(){if(this.center&&this.width&&this.height&&!this._constraining){this._constraining=!0;var t,i,o,e,r,n,s,a,h=this.size,c=this._unmodified;this.latRange&&(t=this.latY(this.latRange[1]),i=this.latY(this.latRange[0]),r=i-t<h.y?h.y/(i-t):0),this.lngRange&&(o=this.lngX(this.lngRange[0]),e=this.lngX(this.lngRange[1]),n=e-o<h.x?h.x/(e-o):0);var m=Math.max(n||0,r||0);if(m)return this.center=this.unproject(new Point(n?(e+o)/2:this.x,r?(i+t)/2:this.y)),this.zoom+=this.scaleZoom(m),this._unmodified=c,void(this._constraining=!1);if(this.latRange){var l=this.y,p=h.y/2;l-p<t&&(a=t+p),l+p>i&&(a=i-p)}if(this.lngRange){var u=this.x,d=h.x/2;u-d<o&&(s=o+d),u+d>e&&(s=e-d)}void 0===s&&void 0===a||(this.center=this.unproject(new Point(void 0!==s?s:this.x,void 0!==a?a:this.y))),this._unmodified=c,this._constraining=!1}},Transform.prototype._calcMatrices=function(){if(this.height){var t=Math.atan(.5/this.altitude),i=Math.sin(t)*this.altitude/Math.sin(Math.PI/2-this._pitch-t),o=Math.cos(Math.PI/2-this._pitch)*i+this.altitude,e=new Float64Array(16);mat4.perspective(e,2*Math.atan(this.height/2/this.altitude),this.width/this.height,.1,o),mat4.translate(e,e,[0,0,-this.altitude]),mat4.scale(e,e,[1,-1,1/this.height]),mat4.rotateX(e,e,this._pitch),mat4.rotateZ(e,e,this.angle),mat4.translate(e,e,[-this.x,-this.y,0]);var r=2*Math.PI*6378137;if(mat4.scale(e,e,[1,1,Math.pow(2,this.zoom)*this.tileSize/(r*Math.abs(Math.cos(this.center.lat*(Math.PI/180)))),1]),this.projMatrix=e,e=mat4.create(),mat4.scale(e,e,[this.width/2,-this.height/2,1]),mat4.translate(e,e,[1,-1,0]),this.pixelMatrix=mat4.multiply(new Float64Array(16),e,this.projMatrix),e=mat4.invert(new Float64Array(16),this.pixelMatrix),!e)throw new Error("failed to invert matrix");this.pixelMatrixInverse=e,e=mat2.create(),mat2.scale(e,e,[1,Math.cos(this._pitch)]),mat2.rotate(e,e,this.angle),this.lineAntialiasingMatrix=e;var n=Math.sqrt(this.height*this.height/4*(1+this.altitude*this.altitude));this.lineStretch=(n+this.height/2*Math.tan(this._pitch))/n-1}},Object.defineProperties(Transform.prototype,prototypeAccessors),module.exports=Transform;
+},{"../data/extent":11,"../source/tile_coord":50,"../util/interpolate":118,"../util/util":126,"./coordinate":18,"./lng_lat":19,"gl-matrix":144,"point-geometry":194}],22:[function(require,module,exports){
+"use strict";var WorkerPool=require("./util/worker_pool"),globalWorkerPool;module.exports=function(){return globalWorkerPool||(globalWorkerPool=new WorkerPool),globalWorkerPool};
+},{"./util/worker_pool":129}],23:[function(require,module,exports){
+"use strict";var simplexFont={" 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,15,3]],e:[18,[3,8,15,8,15,10,14,12,13,13,11,14,8,14,6,13,4,11,3,8,3,6,4,3,6,1,8,0,11,0,13,1,15,3]],f:[12,[10,21,8,21,6,20,5,17,5,0,-1,-1,2,14,9,14]],g:[19,[15,14,15,-2,14,-5,13,-6,11,-7,8,-7,6,-6,-1,-1,15,11,13,13,11,14,8,14,6,13,4,11,3,8,3,6,4,3,6,1,8,0,11,0,13,1,15,3]],h:[19,[4,21,4,0,-1,-1,4,10,7,13,9,14,12,14,14,13,15,10,15,0]],i:[8,[3,21,4,20,5,21,4,22,3,21,-1,-1,4,14,4,0]],j:[10,[5,21,6,20,7,21,6,22,5,21,-1,-1,6,14,6,-3,5,-6,3,-7,1,-7]],k:[17,[4,21,4,0,-1,-1,14,14,4,4,-1,-1,8,8,15,0]],l:[8,[4,21,4,0]],m:[30,[4,14,4,0,-1,-1,4,10,7,13,9,14,12,14,14,13,15,10,15,0,-1,-1,15,10,18,13,20,14,23,14,25,13,26,10,26,0]],n:[19,[4,14,4,0,-1,-1,4,10,7,13,9,14,12,14,14,13,15,10,15,0]],o:[19,[8,14,6,13,4,11,3,8,3,6,4,3,6,1,8,0,11,0,13,1,15,3,16,6,16,8,15,11,13,13,11,14,8,14]],p:[19,[4,14,4,-7,-1,-1,4,11,6,13,8,14,11,14,13,13,15,11,16,8,16,6,15,3,13,1,11,0,8,0,6,1,4,3]],q:[19,[15,14,15,-7,-1,-1,15,11,13,13,11,14,8,14,6,13,4,11,3,8,3,6,4,3,6,1,8,0,11,0,13,1,15,3]],r:[13,[4,14,4,0,-1,-1,4,8,5,11,7,13,9,14,12,14]],s:[17,[14,11,13,13,10,14,7,14,4,13,3,11,4,9,6,8,11,7,13,6,14,4,14,3,13,1,10,0,7,0,4,1,3,3]],t:[12,[5,21,5,4,6,1,8,0,10,0,-1,-1,2,14,9,14]],u:[19,[4,14,4,4,5,1,7,0,10,0,12,1,15,4,-1,-1,15,14,15,0]],v:[16,[2,14,8,0,-1,-1,14,14,8,0]],w:[22,[3,14,7,0,-1,-1,11,14,7,0,-1,-1,11,14,15,0,-1,-1,19,14,15,0]],x:[17,[3,14,14,0,-1,-1,14,14,3,0]],y:[16,[2,14,8,0,-1,-1,14,14,8,0,6,-4,4,-6,2,-7,1,-7]],z:[17,[14,14,3,0,-1,-1,3,14,14,14,-1,-1,3,0,14,0]],"{":[14,[9,25,7,24,6,23,5,21,5,19,6,17,7,16,8,14,8,12,6,10,-1,-1,7,24,6,22,6,20,7,18,8,17,9,15,9,13,8,11,4,9,8,7,9,5,9,3,8,1,7,0,6,-2,6,-4,7,-6,-1,-1,6,8,8,6,8,4,7,2,6,1,5,-1,5,-3,6,-5,7,-6,9,-7]],"|":[8,[4,25,4,-7]],"}":[14,[5,25,7,24,8,23,9,21,9,19,8,17,7,16,6,14,6,12,8,10,-1,-1,7,24,8,22,8,20,7,18,6,17,5,15,5,13,6,11,10,9,6,7,5,5,5,3,6,1,7,0,8,-2,8,-4,7,-6,-1,-1,8,8,6,6,6,4,7,2,8,1,9,-1,9,-3,8,-5,7,-6,5,-7]],"~":[24,[3,6,3,8,4,11,6,12,8,12,10,11,14,8,16,7,18,7,20,8,21,10,-1,-1,3,8,4,10,6,11,8,11,10,10,14,7,16,6,18,6,20,7,21,10,21,12]]};module.exports=function(l,n,t,e){e=e||1;var r,o,u,s,i,x,f,p,h=[];for(r=0,o=l.length;r<o;r++)if(i=simplexFont[l[r]]){for(p=null,u=0,s=i[1].length;u<s;u+=2)i[1][u]===-1&&i[1][u+1]===-1?p=null:(x=n+i[1][u]*e,f=t-i[1][u+1]*e,p&&h.push(p.x,p.y,x,f),p={x:x,y:f});n+=i[0]*e}return h};
+},{}],24:[function(require,module,exports){
+"use strict";var browser=require("./util/browser"),mapboxgl=module.exports={};mapboxgl.version=require("../package.json").version,mapboxgl.workerCount=Math.max(Math.floor(browser.hardwareConcurrency/2),1),mapboxgl.Map=require("./ui/map"),mapboxgl.NavigationControl=require("./ui/control/navigation_control"),mapboxgl.GeolocateControl=require("./ui/control/geolocate_control"),mapboxgl.AttributionControl=require("./ui/control/attribution_control"),mapboxgl.ScaleControl=require("./ui/control/scale_control"),mapboxgl.Popup=require("./ui/popup"),mapboxgl.Marker=require("./ui/marker"),mapboxgl.Style=require("./style/style"),mapboxgl.LngLat=require("./geo/lng_lat"),mapboxgl.LngLatBounds=require("./geo/lng_lat_bounds"),mapboxgl.Point=require("point-geometry"),mapboxgl.Evented=require("./util/evented"),mapboxgl.util=require("./util/util"),mapboxgl.supported=require("./util/browser").supported;var ajax=require("./util/ajax");mapboxgl.util.getJSON=ajax.getJSON,mapboxgl.util.getArrayBuffer=ajax.getArrayBuffer;var config=require("./util/config");mapboxgl.config=config,Object.defineProperty(mapboxgl,"accessToken",{get:function(){return config.ACCESS_TOKEN},set:function(r){config.ACCESS_TOKEN=r}});
+},{"../package.json":214,"./geo/lng_lat":19,"./geo/lng_lat_bounds":20,"./style/style":60,"./ui/control/attribution_control":90,"./ui/control/geolocate_control":91,"./ui/control/navigation_control":92,"./ui/control/scale_control":93,"./ui/map":102,"./ui/marker":103,"./ui/popup":104,"./util/ajax":106,"./util/browser":107,"./util/config":111,"./util/evented":115,"./util/util":126,"point-geometry":194}],25:[function(require,module,exports){
+"use strict";function drawBackground(r,t,e){var a=r.gl,i=r.transform,n=i.tileSize,o=e.paint["background-color"],l=e.paint["background-pattern"],u=e.paint["background-opacity"],f=!l&&1===o[3]&&1===u;if(r.isOpaquePass===f){a.disable(a.STENCIL_TEST),r.setDepthSublayer(0);var s;l?(s=r.useProgram("fillPattern",r.basicFillProgramConfiguration),pattern.prepare(l,r,s),r.tileExtentPatternVAO.bind(a,s,r.tileExtentBuffer)):(s=r.useProgram("fill",r.basicFillProgramConfiguration),a.uniform4fv(s.u_color,o),r.tileExtentVAO.bind(a,s,r.tileExtentBuffer)),a.uniform1f(s.u_opacity,u);for(var c=i.coveringTiles({tileSize:n}),g=0,p=c;g<p.length;g+=1){var d=p[g];l&&pattern.setTile({coord:d,tileSize:n},r,s),a.uniformMatrix4fv(s.u_matrix,!1,r.transform.calculatePosMatrix(d)),a.drawArrays(a.TRIANGLE_STRIP,0,r.tileExtentBuffer.length)}}}var pattern=require("./pattern");module.exports=drawBackground;
+},{"./pattern":37}],26:[function(require,module,exports){
+"use strict";function drawCircles(e,r,t,i){if(!e.isOpaquePass){var a=e.gl;e.setDepthSublayer(0),e.depthMask(!1),a.disable(a.STENCIL_TEST);for(var s=0;s<i.length;s++){var o=i[s],f=r.getTile(o),n=f.getBucket(t);if(n){var l=n.buffers,u=l.layerData[t.id],m=u.programConfiguration,c=e.useProgram("circle",m);m.setUniforms(a,c,t,{zoom:e.transform.zoom}),"map"===t.paint["circle-pitch-scale"]?(a.uniform1i(c.u_scale_with_map,!0),a.uniform2f(c.u_extrude_scale,e.transform.pixelsToGLUnits[0]*e.transform.altitude,e.transform.pixelsToGLUnits[1]*e.transform.altitude)):(a.uniform1i(c.u_scale_with_map,!1),a.uniform2fv(c.u_extrude_scale,e.transform.pixelsToGLUnits)),a.uniform1f(c.u_devicepixelratio,browser.devicePixelRatio),a.uniformMatrix4fv(c.u_matrix,!1,e.translatePosMatrix(o.posMatrix,f,t.paint["circle-translate"],t.paint["circle-translate-anchor"]));for(var p=0,d=l.segments;p<d.length;p+=1){var v=d[p];v.vaos[t.id].bind(a,c,l.layoutVertexBuffer,l.elementBuffer,u.paintVertexBuffer,v.vertexOffset),a.drawElements(a.TRIANGLES,3*v.primitiveLength,a.UNSIGNED_SHORT,3*v.primitiveOffset*2)}}}}}var browser=require("../util/browser");module.exports=drawCircles;
+},{"../util/browser":107}],27:[function(require,module,exports){
+"use strict";function drawCollisionDebug(e,o,r,i){var t=e.gl;t.enable(t.STENCIL_TEST);for(var f=e.useProgram("collisionBox"),l=0;l<i.length;l++){var n=i[l],a=o.getTile(n),s=a.getBucket(r);if(s){var u=s.buffers.collisionBox;if(u){t.uniformMatrix4fv(f.u_matrix,!1,n.posMatrix),e.enableTileClippingMask(n),e.lineWidth(1),t.uniform1f(f.u_scale,Math.pow(2,e.transform.zoom-a.coord.z)),t.uniform1f(f.u_zoom,10*e.transform.zoom),t.uniform1f(f.u_maxzoom,10*(a.coord.z+1));for(var m=0,g=u.segments;m<g.length;m+=1){var v=g[m];v.vaos[r.id].bind(t,f,u.layoutVertexBuffer,u.elementBuffer,null,v.vertexOffset),t.drawElements(t.LINES,2*v.primitiveLength,t.UNSIGNED_SHORT,2*v.primitiveOffset*2)}}}}}module.exports=drawCollisionDebug;
+},{}],28:[function(require,module,exports){
+"use strict";function drawDebug(r,e,t){for(var a=0;a<t.length;a++)drawDebugTile(r,e,t[a])}function drawDebugTile(r,e,t){var a=r.gl;a.disable(a.STENCIL_TEST),r.lineWidth(1*browser.devicePixelRatio);var i=t.posMatrix,u=r.useProgram("debug");a.uniformMatrix4fv(u.u_matrix,!1,i),a.uniform4f(u.u_color,1,0,0,1),r.debugVAO.bind(a,u,r.debugBuffer),a.drawArrays(a.LINE_STRIP,0,r.debugBuffer.length);for(var o=textVertices(t.toString(),50,200,5),f=new PosArray,n=0;n<o.length;n+=2)f.emplaceBack(o[n],o[n+1]);var l=Buffer.fromStructArray(f,Buffer.BufferType.VERTEX),d=new VertexArrayObject;d.bind(a,u,l),a.uniform4f(u.u_color,1,1,1,1);for(var b=e.getTile(t).tileSize,g=EXTENT/(Math.pow(2,r.transform.zoom-t.z)*b),m=[[-1,-1],[-1,1],[1,-1],[1,1]],s=0;s<m.length;s++){var x=m[s];a.uniformMatrix4fv(u.u_matrix,!1,mat4.translate([],i,[g*x[0],g*x[1],0])),a.drawArrays(a.LINES,0,l.length)}a.uniform4f(u.u_color,0,0,0,1),a.uniformMatrix4fv(u.u_matrix,!1,i),a.drawArrays(a.LINES,0,l.length)}var textVertices=require("../lib/debugtext"),browser=require("../util/browser"),mat4=require("gl-matrix").mat4,EXTENT=require("../data/extent"),Buffer=require("../data/buffer"),VertexArrayObject=require("./vertex_array_object"),PosArray=require("../data/pos_array");module.exports=drawDebug;
+},{"../data/buffer":8,"../data/extent":11,"../data/pos_array":14,"../lib/debugtext":23,"../util/browser":107,"./vertex_array_object":38,"gl-matrix":144}],29:[function(require,module,exports){
+"use strict";function drawFill(t,e,r,i){var a=t.gl;a.enable(a.STENCIL_TEST);var l=!r.paint["fill-pattern"]&&r.isPaintValueFeatureConstant("fill-color")&&r.isPaintValueFeatureConstant("fill-opacity")&&1===r.paint["fill-color"][3]&&1===r.paint["fill-opacity"];t.isOpaquePass===l&&(t.setDepthSublayer(1),drawFillTiles(t,e,r,i,drawFillTile)),!t.isOpaquePass&&r.paint["fill-antialias"]&&(t.lineWidth(2),t.depthMask(!1),t.setDepthSublayer(r.getPaintProperty("fill-outline-color")?2:0),drawFillTiles(t,e,r,i,drawStrokeTile))}function drawFillTiles(t,e,r,i,a){for(var l=!0,n=0,o=i;n<o.length;n+=1){var f=o[n],s=e.getTile(f),u=s.getBucket(r);u&&(t.enableTileClippingMask(f),a(t,e,r,s,f,u.buffers,l),l=!1)}}function drawFillTile(t,e,r,i,a,l,n){for(var o=t.gl,f=l.layerData[r.id],s=setFillProgram("fill",r.paint["fill-pattern"],t,f,r,i,a,n),u=0,p=l.segments;u<p.length;u+=1){var g=p[u];g.vaos[r.id].bind(o,s,l.layoutVertexBuffer,l.elementBuffer,f.paintVertexBuffer,g.vertexOffset),o.drawElements(o.TRIANGLES,3*g.primitiveLength,o.UNSIGNED_SHORT,3*g.primitiveOffset*2)}}function drawStrokeTile(t,e,r,i,a,l,n){var o=t.gl,f=l.layerData[r.id],s=r.paint["fill-pattern"]&&!r.getPaintProperty("fill-outline-color"),u=setFillProgram("fillOutline",s,t,f,r,i,a,n);o.uniform2f(u.u_world,o.drawingBufferWidth,o.drawingBufferHeight);for(var p=0,g=l.segments2;p<g.length;p+=1){var m=g[p];m.vaos[r.id].bind(o,u,l.layoutVertexBuffer,l.elementBuffer2,f.paintVertexBuffer,m.vertexOffset),o.drawElements(o.LINES,2*m.primitiveLength,o.UNSIGNED_SHORT,2*m.primitiveOffset*2)}}function setFillProgram(t,e,r,i,a,l,n,o){var f,s=r.currentProgram;return e?(f=r.useProgram(t+"Pattern",i.programConfiguration),(o||f!==s)&&(i.programConfiguration.setUniforms(r.gl,f,a,{zoom:r.transform.zoom}),pattern.prepare(a.paint["fill-pattern"],r,f)),pattern.setTile(l,r,f)):(f=r.useProgram(t,i.programConfiguration),(o||f!==s)&&i.programConfiguration.setUniforms(r.gl,f,a,{zoom:r.transform.zoom})),r.gl.uniformMatrix4fv(f.u_matrix,!1,r.translatePosMatrix(n.posMatrix,l,a.paint["fill-translate"],a.paint["fill-translate-anchor"])),f}var pattern=require("./pattern");module.exports=drawFill;
+},{"./pattern":37}],30:[function(require,module,exports){
+"use strict";function draw(e,t,r,i){if(0!==r.paint["fill-extrusion-opacity"]){var a=e.gl;a.disable(a.STENCIL_TEST),a.enable(a.DEPTH_TEST),e.depthMask(!0);var s=new ExtrusionTexture(a,e,r);s.bindFramebuffer(),a.clearColor(0,0,0,0),a.clear(a.COLOR_BUFFER_BIT|a.DEPTH_BUFFER_BIT);for(var u=0;u<i.length;u++)drawExtrusion(e,t,r,i[u]);s.unbindFramebuffer(),s.renderToMap()}}function ExtrusionTexture(e,t,r){this.gl=e,this.width=t.width,this.height=t.height,this.painter=t,this.layer=r,this.texture=null,this.fbo=null,this.fbos=this.painter.preFbos[this.width]&&this.painter.preFbos[this.width][this.height]}function drawExtrusion(e,t,r,i){if(!e.isOpaquePass){var a=t.getTile(i),s=a.getBucket(r);if(s){var u=s.buffers,f=e.gl,h=r.paint["fill-extrusion-pattern"],n=u.layerData[r.id],o=n.programConfiguration,E=e.useProgram(h?"fillExtrusionPattern":"fillExtrusion",o);o.setUniforms(f,E,r,{zoom:e.transform.zoom}),h&&(pattern.prepare(h,e,E),pattern.setTile(a,e,E),f.uniform1f(E.u_height_factor,-Math.pow(2,i.z)/a.tileSize/8)),e.gl.uniformMatrix4fv(E.u_matrix,!1,e.translatePosMatrix(i.posMatrix,a,r.paint["fill-extrusion-translate"],r.paint["fill-extrusion-translate-anchor"])),setLight(E,e);for(var T=0,l=u.segments;T<l.length;T+=1){var R=l[T];R.vaos[r.id].bind(f,E,u.layoutVertexBuffer,u.elementBuffer,n.paintVertexBuffer,R.vertexOffset),f.drawElements(f.TRIANGLES,3*R.primitiveLength,f.UNSIGNED_SHORT,3*R.primitiveOffset*2)}}}}function setLight(e,t){var r=t.gl,i=t.style.light,a=i.calculated.position,s=[a.x,a.y,a.z],u=mat3.create();"viewport"===i.calculated.anchor&&mat3.fromRotation(u,-t.transform.angle),vec3.transformMat3(s,s,u),r.uniform3fv(e.u_lightpos,s),r.uniform1f(e.u_lightintensity,i.calculated.intensity),r.uniform3fv(e.u_lightcolor,i.calculated.color.slice(0,3))}var mat3=require("gl-matrix").mat3,mat4=require("gl-matrix").mat4,vec3=require("gl-matrix").vec3,Buffer=require("../data/buffer"),VertexArrayObject=require("./vertex_array_object"),PosArray=require("../data/pos_array"),pattern=require("./pattern");module.exports=draw,ExtrusionTexture.prototype.bindFramebuffer=function(){var e=this.gl;if(this.texture=this.painter.getViewportTexture(this.width,this.height),e.activeTexture(e.TEXTURE1),this.texture?e.bindTexture(e.TEXTURE_2D,this.texture):(this.texture=e.createTexture(),e.bindTexture(e.TEXTURE_2D,this.texture),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.LINEAR),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.LINEAR),e.texImage2D(e.TEXTURE_2D,0,e.RGBA,this.width,this.height,0,e.RGBA,e.UNSIGNED_BYTE,null),this.texture.width=this.width,this.texture.height=this.height),this.fbos)this.fbo=this.fbos.pop(),e.bindFramebuffer(e.FRAMEBUFFER,this.fbo),e.framebufferTexture2D(e.FRAMEBUFFER,e.COLOR_ATTACHMENT0,e.TEXTURE_2D,this.texture,0);else{this.fbo=e.createFramebuffer();var t=e.createRenderbuffer(),r=e.createRenderbuffer();e.bindRenderbuffer(e.RENDERBUFFER,t),e.bindRenderbuffer(e.RENDERBUFFER,r),e.renderbufferStorage(e.RENDERBUFFER,e.RGBA4,this.width,this.height),e.renderbufferStorage(e.RENDERBUFFER,e.DEPTH_COMPONENT16,this.width,this.height),e.bindFramebuffer(e.FRAMEBUFFER,this.fbo),e.framebufferRenderbuffer(e.FRAMEBUFFER,e.COLOR_ATTACHMENT0,e.RENDERBUFFER,t),e.framebufferRenderbuffer(e.FRAMEBUFFER,e.DEPTH_ATTACHMENT,e.RENDERBUFFER,r),e.framebufferTexture2D(e.FRAMEBUFFER,e.COLOR_ATTACHMENT0,e.TEXTURE_2D,this.texture,0)}},ExtrusionTexture.prototype.unbindFramebuffer=function(){this.painter.bindDefaultFramebuffer(),this.fbos?this.fbos.push(this.fbo):(this.painter.preFbos[this.width]||(this.painter.preFbos[this.width]={}),this.painter.preFbos[this.width][this.height]=[this.fbo]),this.painter.saveViewportTexture(this.texture)},ExtrusionTexture.prototype.renderToMap=function(){var e=this.gl,t=this.painter,r=t.useProgram("extrusionTexture");e.activeTexture(e.TEXTURE0),e.bindTexture(e.TEXTURE_2D,this.texture),e.uniform1f(r.u_opacity,this.layer.paint["fill-extrusion-opacity"]),e.uniform1i(r.u_texture,1),e.uniformMatrix4fv(r.u_matrix,!1,mat4.ortho(mat4.create(),0,t.width,t.height,0,0,1)),e.disable(e.DEPTH_TEST),e.uniform1i(r.u_xdim,t.width),e.uniform1i(r.u_ydim,t.height);var i=new PosArray;i.emplaceBack(0,0),i.emplaceBack(t.width,0),i.emplaceBack(0,t.height),i.emplaceBack(t.width,t.height);var a=Buffer.fromStructArray(i,Buffer.BufferType.VERTEX),s=new VertexArrayObject;s.bind(e,r,a),e.drawArrays(e.TRIANGLE_STRIP,0,4),e.enable(e.DEPTH_TEST)};
+},{"../data/buffer":8,"../data/pos_array":14,"./pattern":37,"./vertex_array_object":38,"gl-matrix":144}],31:[function(require,module,exports){
+"use strict";function drawLineTile(i,e,t,r,a,n,o,f,l){var u,s,m,_,p=e.gl,g=a.paint["line-dasharray"],d=a.paint["line-pattern"];if(f||l){var v=1/pixelsToTileUnits(t,1,e.transform.tileZoom);if(g){u=e.lineAtlas.getDash(g.from,"round"===a.layout["line-cap"]),s=e.lineAtlas.getDash(g.to,"round"===a.layout["line-cap"]);var c=u.width*g.fromScale,h=s.width*g.toScale;p.uniform2f(i.u_patternscale_a,v/c,-u.height/2),p.uniform2f(i.u_patternscale_b,v/h,-s.height/2),p.uniform1f(i.u_sdfgamma,e.lineAtlas.width/(256*Math.min(c,h)*browser.devicePixelRatio)/2)}else if(d){if(m=e.spriteAtlas.getPosition(d.from,!0),_=e.spriteAtlas.getPosition(d.to,!0),!m||!_)return;p.uniform2f(i.u_pattern_size_a,m.size[0]*d.fromScale/v,_.size[1]),p.uniform2f(i.u_pattern_size_b,_.size[0]*d.toScale/v,_.size[1])}}if(f){d||p.uniform4fv(i.u_color,a.paint["line-color"]),g?(p.uniform1i(i.u_image,0),p.activeTexture(p.TEXTURE0),e.lineAtlas.bind(p),p.uniform1f(i.u_tex_y_a,u.y),p.uniform1f(i.u_tex_y_b,s.y),p.uniform1f(i.u_mix,g.t)):d&&(p.uniform1i(i.u_image,0),p.activeTexture(p.TEXTURE0),e.spriteAtlas.bind(p,!0),p.uniform2fv(i.u_pattern_tl_a,m.tl),p.uniform2fv(i.u_pattern_br_a,m.br),p.uniform2fv(i.u_pattern_tl_b,_.tl),p.uniform2fv(i.u_pattern_br_b,_.br),p.uniform1f(i.u_fade,d.t));var b=1/browser.devicePixelRatio;p.uniform1f(i.u_linewidth,a.paint["line-width"]/2),p.uniform1f(i.u_gapwidth,a.paint["line-gap-width"]/2),p.uniform1f(i.u_antialiasing,b/2),p.uniform1f(i.u_blur,a.paint["line-blur"]+b),p.uniform1f(i.u_opacity,a.paint["line-opacity"]),p.uniformMatrix2fv(i.u_antialiasingmatrix,!1,e.transform.lineAntialiasingMatrix),p.uniform1f(i.u_offset,-a.paint["line-offset"]),p.uniform1f(i.u_extra,e.transform.lineStretch)}e.enableTileClippingMask(n);var x=e.translatePosMatrix(n.posMatrix,t,a.paint["line-translate"],a.paint["line-translate-anchor"]);p.uniformMatrix4fv(i.u_matrix,!1,x),p.uniform1f(i.u_ratio,1/pixelsToTileUnits(t,1,e.transform.zoom));for(var T=0,w=r.segments;T<w.length;T+=1){var y=w[T];y.vaos[a.id].bind(p,i,r.layoutVertexBuffer,r.elementBuffer,o.paintVertexBuffer,y.vertexOffset),p.drawElements(p.TRIANGLES,3*y.primitiveLength,p.UNSIGNED_SHORT,3*y.primitiveOffset*2)}}var browser=require("../util/browser"),pixelsToTileUnits=require("../source/pixels_to_tile_units");module.exports=function(i,e,t,r){if(!i.isOpaquePass){i.setDepthSublayer(0),i.depthMask(!1);var a=i.gl;if(a.enable(a.STENCIL_TEST),!(t.paint["line-width"]<=0))for(var n,o=t.paint["line-dasharray"]?"lineSDF":t.paint["line-pattern"]?"linePattern":"line",f=!0,l=0,u=r;l<u.length;l+=1){var s=u[l],m=e.getTile(s),_=m.getBucket(t);if(_){var p=_.buffers.layerData[t.id],g=i.currentProgram,d=i.useProgram(o,p.programConfiguration),v=f||d!==g,c=n!==m.coord.z;v&&p.programConfiguration.setUniforms(i.gl,d,t,{zoom:i.transform.zoom}),drawLineTile(d,i,m,_.buffers,t,s,p,v,c),n=m.coord.z,f=!1}}}};
+},{"../source/pixels_to_tile_units":44,"../util/browser":107}],32:[function(require,module,exports){
+"use strict";function drawRaster(r,t,a,e){if(!r.isOpaquePass){var i=r.gl;i.enable(i.DEPTH_TEST),r.depthMask(!0),i.depthFunc(i.LESS);for(var o=e.length&&e[0].z,n=0;n<e.length;n++){var u=e[n];r.setDepthSublayer(u.z-o),drawRasterTile(r,t,a,u)}i.depthFunc(i.LEQUAL)}}function drawRasterTile(r,t,a,e){var i=r.gl;i.disable(i.STENCIL_TEST);var o=t.getTile(e),n=r.transform.calculatePosMatrix(e,t.getSource().maxzoom);o.setAnimationLoop(r.style.animationLoop,a.paint["raster-fade-duration"]);var u=r.useProgram("raster");i.uniformMatrix4fv(u.u_matrix,!1,n),i.uniform1f(u.u_brightness_low,a.paint["raster-brightness-min"]),i.uniform1f(u.u_brightness_high,a.paint["raster-brightness-max"]),i.uniform1f(u.u_saturation_factor,saturationFactor(a.paint["raster-saturation"])),i.uniform1f(u.u_contrast_factor,contrastFactor(a.paint["raster-contrast"])),i.uniform3fv(u.u_spin_weights,spinWeights(a.paint["raster-hue-rotate"]));var s,c,f=o.sourceCache&&o.sourceCache.findLoadedParent(e,0,{}),d=getOpacities(o,f,a,r.transform);i.activeTexture(i.TEXTURE0),i.bindTexture(i.TEXTURE_2D,o.texture),i.activeTexture(i.TEXTURE1),f?(i.bindTexture(i.TEXTURE_2D,f.texture),s=Math.pow(2,f.coord.z-o.coord.z),c=[o.coord.x*s%1,o.coord.y*s%1]):i.bindTexture(i.TEXTURE_2D,o.texture),i.uniform2fv(u.u_tl_parent,c||[0,0]),i.uniform1f(u.u_scale_parent,s||1),i.uniform1f(u.u_buffer_scale,1),i.uniform1f(u.u_opacity0,d[0]),i.uniform1f(u.u_opacity1,d[1]),i.uniform1i(u.u_image0,0),i.uniform1i(u.u_image1,1);var m=o.boundsBuffer||r.rasterBoundsBuffer,h=o.boundsVAO||r.rasterBoundsVAO;h.bind(i,u,m),i.drawArrays(i.TRIANGLE_STRIP,0,m.length)}function spinWeights(r){r*=Math.PI/180;var t=Math.sin(r),a=Math.cos(r);return[(2*a+1)/3,(-Math.sqrt(3)*t-a+1)/3,(Math.sqrt(3)*t-a+1)/3]}function contrastFactor(r){return r>0?1/(1-r):1+r}function saturationFactor(r){return r>0?1-1/(1.001-r):-r}function getOpacities(r,t,a,e){var i=[1,0],o=a.paint["raster-fade-duration"];if(r.sourceCache&&o>0){var n=Date.now(),u=(n-r.timeAdded)/o,s=t?(n-t.timeAdded)/o:-1,c=r.sourceCache.getSource(),f=e.coveringZoomLevel({tileSize:c.tileSize,roundZoom:c.roundZoom}),d=!t||Math.abs(t.coord.z-f)>Math.abs(r.coord.z-f);i[0]=util.clamp(d?u:1-s,0,1),i[1]=t?1-i[0]:0}var m=a.paint["raster-opacity"];return i[0]*=m,i[1]*=m,i}var util=require("../util/util");module.exports=drawRaster;
+},{"../util/util":126}],33:[function(require,module,exports){
+"use strict";function drawSymbols(t,e,i,a){if(!t.isOpaquePass){var o=!(i.layout["text-allow-overlap"]||i.layout["icon-allow-overlap"]||i.layout["text-ignore-placement"]||i.layout["icon-ignore-placement"]),r=t.gl;o?r.disable(r.STENCIL_TEST):r.enable(r.STENCIL_TEST),t.setDepthSublayer(0),t.depthMask(!1),drawLayerSymbols(t,e,i,a,!1,i.paint["icon-translate"],i.paint["icon-translate-anchor"],i.layout["icon-rotation-alignment"],i.layout["icon-rotation-alignment"],i.layout["icon-size"],i.paint["icon-halo-width"],i.paint["icon-halo-color"],i.paint["icon-halo-blur"],i.paint["icon-opacity"],i.paint["icon-color"]),drawLayerSymbols(t,e,i,a,!0,i.paint["text-translate"],i.paint["text-translate-anchor"],i.layout["text-rotation-alignment"],i.layout["text-pitch-alignment"],i.layout["text-size"],i.paint["text-halo-width"],i.paint["text-halo-color"],i.paint["text-halo-blur"],i.paint["text-opacity"],i.paint["text-color"]),e.map.showCollisionBoxes&&drawCollisionDebug(t,e,i,a)}}function drawLayerSymbols(t,e,i,a,o,r,l,n,s,u,f,m,p,c,d){if(o||!t.style.sprite||t.style.sprite.loaded()){var h=t.gl,b="map"===n,x="map"===s,g=x;g?h.enable(h.DEPTH_TEST):h.disable(h.DEPTH_TEST);for(var _,y=0,T=a;y<T.length;y+=1){var v=T[y],w=e.getTile(v),S=w.getBucket(i);if(S){var E=o?S.buffers.glyph:S.buffers.icon;if(E&&E.segments.length){var P=o||S.sdfIcons;_||(_=t.useProgram(P?"symbolSDF":"symbolIcon"),setSymbolDrawState(_,t,o,P,b,x,S.fontstack,u,S.iconsNeedLinear,o?S.adjustedTextSize:S.adjustedIconSize,c)),t.enableTileClippingMask(v),h.uniformMatrix4fv(_.u_matrix,!1,t.translatePosMatrix(v.posMatrix,w,r,l)),drawTileSymbols(_,t,i,w,E,o,P,x,u,f,m,p,d)}}}g||h.enable(h.DEPTH_TEST)}}function setSymbolDrawState(t,e,i,a,o,r,l,n,s,u,f){var m=e.gl,p=e.transform;if(m.uniform1i(t.u_rotate_with_map,o),m.uniform1i(t.u_pitch_with_map,r),m.activeTexture(m.TEXTURE0),m.uniform1i(t.u_texture,0),i){var c=l&&e.glyphSource.getGlyphAtlas(l);if(!c)return;c.updateTexture(m),m.uniform2f(t.u_texsize,c.width/4,c.height/4)}else{var d=e.options.rotating||e.options.zooming,h=1!==n||browser.devicePixelRatio!==e.spriteAtlas.pixelRatio||s,b=r||p.pitch;e.spriteAtlas.bind(m,a||d||h||b),m.uniform2f(t.u_texsize,e.spriteAtlas.width/4,e.spriteAtlas.height/4)}m.activeTexture(m.TEXTURE1),e.frameHistory.bind(m),m.uniform1i(t.u_fadetexture,1);var x=Math.log(n/u)/Math.LN2||0;m.uniform1f(t.u_zoom,10*(p.zoom-x)),m.uniform1f(t.u_pitch,p.pitch/360*2*Math.PI),m.uniform1f(t.u_bearing,p.bearing/360*2*Math.PI),m.uniform1f(t.u_aspect_ratio,p.width/p.height),m.uniform1f(t.u_opacity,f)}function drawTileSymbols(t,e,i,a,o,r,l,n,s,u,f,m,p){var c=e.gl,d=e.transform,h=s/(r?24:1);if(n){var b=pixelsToTileUnits(a,h,d.zoom);c.uniform2f(t.u_extrude_scale,b,b)}else{var x=d.altitude*h;c.uniform2f(t.u_extrude_scale,d.pixelsToGLUnits[0]*x,d.pixelsToGLUnits[1]*x)}if(l){var g=h*(n?Math.cos(d._pitch):1);u&&(c.uniform1f(t.u_gamma,(m*blurOffset/sdfPx+gamma)/g),c.uniform4fv(t.u_color,f),c.uniform1f(t.u_buffer,(haloOffset-u/h)/sdfPx),drawSymbolElements(o,i,c,t)),c.uniform1f(t.u_gamma,gamma/g),c.uniform4fv(t.u_color,p),c.uniform1f(t.u_buffer,.75)}drawSymbolElements(o,i,c,t)}function drawSymbolElements(t,e,i,a){for(var o=0,r=t.segments;o<r.length;o+=1){var l=r[o];l.vaos[e.id].bind(i,a,t.layoutVertexBuffer,t.elementBuffer,null,l.vertexOffset),i.drawElements(i.TRIANGLES,3*l.primitiveLength,i.UNSIGNED_SHORT,3*l.primitiveOffset*2)}}var browser=require("../util/browser"),drawCollisionDebug=require("./draw_collision_debug"),pixelsToTileUnits=require("../source/pixels_to_tile_units");module.exports=drawSymbols;var sdfPx=8,blurOffset=1.19,haloOffset=6,gamma=.105/browser.devicePixelRatio;
+},{"../source/pixels_to_tile_units":44,"../util/browser":107,"./draw_collision_debug":27}],34:[function(require,module,exports){
+"use strict";var FrameHistory=function(){this.changeTimes=new Float64Array(256),this.changeOpacities=new Uint8Array(256),this.opacities=new Uint8ClampedArray(256),this.array=new Uint8Array(this.opacities.buffer),this.previousZoom=0,this.firstFrame=!0};FrameHistory.prototype.record=function(e,t,i){var r=this;this.firstFrame&&(e=0,this.firstFrame=!1),t=Math.floor(10*t);var a;if(t<this.previousZoom)for(a=t+1;a<=this.previousZoom;a++)r.changeTimes[a]=e,r.changeOpacities[a]=r.opacities[a];else for(a=t;a>this.previousZoom;a--)r.changeTimes[a]=e,r.changeOpacities[a]=r.opacities[a];for(a=0;a<256;a++){var s=e-r.changeTimes[a],o=255*(i?s/i:1);a<=t?r.opacities[a]=r.changeOpacities[a]+o:r.opacities[a]=r.changeOpacities[a]-o}this.changed=!0,this.previousZoom=t},FrameHistory.prototype.bind=function(e){this.texture?(e.bindTexture(e.TEXTURE_2D,this.texture),this.changed&&(e.texSubImage2D(e.TEXTURE_2D,0,0,0,256,1,e.ALPHA,e.UNSIGNED_BYTE,this.array),this.changed=!1)):(this.texture=e.createTexture(),e.bindTexture(e.TEXTURE_2D,this.texture),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texImage2D(e.TEXTURE_2D,0,e.ALPHA,256,1,0,e.ALPHA,e.UNSIGNED_BYTE,this.array))},module.exports=FrameHistory;
+},{}],35:[function(require,module,exports){
+"use strict";var util=require("../util/util"),LineAtlas=function(t,i){this.width=t,this.height=i,this.nextRow=0,this.bytes=4,this.data=new Uint8Array(this.width*this.height*this.bytes),this.positions={}};LineAtlas.prototype.setSprite=function(t){this.sprite=t},LineAtlas.prototype.getDash=function(t,i){var e=t.join(",")+i;return this.positions[e]||(this.positions[e]=this.addDash(t,i)),this.positions[e]},LineAtlas.prototype.addDash=function(t,i){var e=this,h=i?7:0,s=2*h+1,a=128;if(this.nextRow+s>this.height)return util.warnOnce("LineAtlas out of space"),null;for(var r=0,n=0;n<t.length;n++)r+=t[n];for(var E=this.width/r,o=E/2,T=t.length%2===1,R=-h;R<=h;R++)for(var u=e.nextRow+h+R,d=e.width*u,l=T?-t[t.length-1]:0,x=t[0],A=1,_=0;_<this.width;_++){for(;x<_/E;)l=x,x+=t[A],T&&A===t.length-1&&(x+=t[0]),A++;var p,g=Math.abs(_-l*E),w=Math.abs(_-x*E),D=Math.min(g,w),U=A%2===1;if(i){var f=h?R/h*(o+1):0;if(U){var X=o-Math.abs(f);p=Math.sqrt(D*D+X*X)}else p=o-Math.sqrt(D*D+f*f)}else p=(U?1:-1)*D;e.data[3+4*(d+_)]=Math.max(0,Math.min(255,p+a))}var y={y:(this.nextRow+h+.5)/this.height,height:2*h/this.height,width:r};return this.nextRow+=s,this.dirty=!0,y},LineAtlas.prototype.bind=function(t){this.texture?(t.bindTexture(t.TEXTURE_2D,this.texture),this.dirty&&(this.dirty=!1,t.texSubImage2D(t.TEXTURE_2D,0,0,0,this.width,this.height,t.RGBA,t.UNSIGNED_BYTE,this.data))):(this.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.REPEAT),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.REPEAT),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.LINEAR),t.texImage2D(t.TEXTURE_2D,0,t.RGBA,this.width,this.height,0,t.RGBA,t.UNSIGNED_BYTE,this.data))},module.exports=LineAtlas;
+},{"../util/util":126}],36:[function(require,module,exports){
+"use strict";var browser=require("../util/browser"),mat4=require("gl-matrix").mat4,FrameHistory=require("./frame_history"),SourceCache=require("../source/source_cache"),EXTENT=require("../data/extent"),pixelsToTileUnits=require("../source/pixels_to_tile_units"),util=require("../util/util"),Buffer=require("../data/buffer"),VertexArrayObject=require("./vertex_array_object"),RasterBoundsArray=require("../data/raster_bounds_array"),PosArray=require("../data/pos_array"),ProgramConfiguration=require("../data/program_configuration"),shaders=require("mapbox-gl-shaders"),draw={symbol:require("./draw_symbol"),circle:require("./draw_circle"),line:require("./draw_line"),fill:require("./draw_fill"),"fill-extrusion":require("./draw_fill_extrusion"),raster:require("./draw_raster"),background:require("./draw_background"),debug:require("./draw_debug")},Painter=function(e,r){this.gl=e,this.transform=r,this.reusableTextures={},this.preFbos={},this.frameHistory=new FrameHistory,this.setup(),this.numSublayers=SourceCache.maxUnderzooming+SourceCache.maxOverzooming+1,this.depthEpsilon=1/Math.pow(2,16),this.lineWidthRange=e.getParameter(e.ALIASED_LINE_WIDTH_RANGE),this.basicFillProgramConfiguration=ProgramConfiguration.createStatic(["color","opacity"]),this.emptyProgramConfiguration=new ProgramConfiguration};Painter.prototype.resize=function(e,r){var t=this.gl;this.width=e*browser.devicePixelRatio,this.height=r*browser.devicePixelRatio,t.viewport(0,0,this.width,this.height)},Painter.prototype.setup=function(){var e=this.gl;e.verbose=!0,e.enable(e.BLEND),e.blendFunc(e.ONE,e.ONE_MINUS_SRC_ALPHA),e.enable(e.STENCIL_TEST),e.enable(e.DEPTH_TEST),e.depthFunc(e.LEQUAL),this._depthMask=!1,e.depthMask(!1);var r=new PosArray;r.emplaceBack(0,0),r.emplaceBack(EXTENT,0),r.emplaceBack(0,EXTENT),r.emplaceBack(EXTENT,EXTENT),this.tileExtentBuffer=Buffer.fromStructArray(r,Buffer.BufferType.VERTEX),this.tileExtentVAO=new VertexArrayObject,this.tileExtentPatternVAO=new VertexArrayObject;var t=new PosArray;t.emplaceBack(0,0),t.emplaceBack(EXTENT,0),t.emplaceBack(EXTENT,EXTENT),t.emplaceBack(0,EXTENT),t.emplaceBack(0,0),this.debugBuffer=Buffer.fromStructArray(t,Buffer.BufferType.VERTEX),this.debugVAO=new VertexArrayObject;var a=new RasterBoundsArray;a.emplaceBack(0,0,0,0),a.emplaceBack(EXTENT,0,32767,0),a.emplaceBack(0,EXTENT,0,32767),a.emplaceBack(EXTENT,EXTENT,32767,32767),this.rasterBoundsBuffer=Buffer.fromStructArray(a,Buffer.BufferType.VERTEX),this.rasterBoundsVAO=new VertexArrayObject},Painter.prototype.clearColor=function(){var e=this.gl;e.clearColor(0,0,0,0),e.clear(e.COLOR_BUFFER_BIT)},Painter.prototype.clearStencil=function(){var e=this.gl;e.clearStencil(0),e.stencilMask(255),e.clear(e.STENCIL_BUFFER_BIT)},Painter.prototype.clearDepth=function(){var e=this.gl;e.clearDepth(1),this.depthMask(!0),e.clear(e.DEPTH_BUFFER_BIT)},Painter.prototype._renderTileClippingMasks=function(e){var r=this,t=this.gl;t.colorMask(!1,!1,!1,!1),this.depthMask(!1),t.disable(t.DEPTH_TEST),t.enable(t.STENCIL_TEST),t.stencilMask(248),t.stencilOp(t.KEEP,t.KEEP,t.REPLACE);var a=1;this._tileClippingMaskIDs={};for(var i=0,s=e;i<s.length;i+=1){var o=s[i],n=r._tileClippingMaskIDs[o.id]=a++<<3;t.stencilFunc(t.ALWAYS,n,248);var l=r.useProgram("fill",r.basicFillProgramConfiguration);t.uniformMatrix4fv(l.u_matrix,!1,o.posMatrix),r.tileExtentVAO.bind(t,l,r.tileExtentBuffer),t.drawArrays(t.TRIANGLE_STRIP,0,r.tileExtentBuffer.length)}t.stencilMask(0),t.colorMask(!0,!0,!0,!0),this.depthMask(!0),t.enable(t.DEPTH_TEST)},Painter.prototype.enableTileClippingMask=function(e){var r=this.gl;r.stencilFunc(r.EQUAL,this._tileClippingMaskIDs[e.id],248)},Painter.prototype.prepareBuffers=function(){},Painter.prototype.bindDefaultFramebuffer=function(){var e=this.gl;e.bindFramebuffer(e.FRAMEBUFFER,null)},Painter.prototype.render=function(e,r){if(this.style=e,this.options=r,this.lineAtlas=e.lineAtlas,this.spriteAtlas=e.spriteAtlas,this.spriteAtlas.setSprite(e.sprite),this.glyphSource=e.glyphSource,this.frameHistory.record(Date.now(),this.transform.zoom,e.getTransition().duration),this.prepareBuffers(),this.clearColor(),this.clearDepth(),this.showOverdrawInspector(r.showOverdrawInspector),this.depthRange=(e._order.length+2)*this.numSublayers*this.depthEpsilon,this.isOpaquePass=!0,this.renderPass(),this.isOpaquePass=!1,this.renderPass(),this.options.showTileBoundaries){var t=this.style.sourceCaches[Object.keys(this.style.sourceCaches)[0]];draw.debug(this,t,t.getVisibleCoordinates())}},Painter.prototype.renderPass=function(){var e,r,t=this,a=this.style._order;this.currentLayer=this.isOpaquePass?a.length-1:0;for(var i=0;i<a.length;i++){var s=t.style._layers[a[t.currentLayer]];s.source!==(e&&e.id)&&(e=t.style.sourceCaches[s.source],r=[],e&&(e.prepare&&e.prepare(),t.clearStencil(),r=e.getVisibleCoordinates(),e.getSource().isTileClipped&&t._renderTileClippingMasks(r)),t.isOpaquePass?t._showOverdrawInspector||t.gl.disable(t.gl.BLEND):(t.gl.enable(t.gl.BLEND),r.reverse())),t.renderLayer(t,e,s,r),t.currentLayer+=t.isOpaquePass?-1:1}},Painter.prototype.depthMask=function(e){e!==this._depthMask&&(this._depthMask=e,this.gl.depthMask(e))},Painter.prototype.renderLayer=function(e,r,t,a){t.isHidden(this.transform.zoom)||("background"===t.type||a.length)&&(this.id=t.id,draw[t.type](e,r,t,a))},Painter.prototype.setDepthSublayer=function(e){var r=1-((1+this.currentLayer)*this.numSublayers+e)*this.depthEpsilon,t=r-1+this.depthRange;this.gl.depthRange(t,r)},Painter.prototype.translatePosMatrix=function(e,r,t,a){if(!t[0]&&!t[1])return e;if("viewport"===a){var i=Math.sin(-this.transform.angle),s=Math.cos(-this.transform.angle);t=[t[0]*s-t[1]*i,t[0]*i+t[1]*s]}var o=[pixelsToTileUnits(r,t[0],this.transform.zoom),pixelsToTileUnits(r,t[1],this.transform.zoom),0],n=new Float32Array(16);return mat4.translate(n,e,o),n},Painter.prototype.saveTileTexture=function(e){var r=this.reusableTextures[e.size];r?r.push(e):this.reusableTextures[e.size]=[e]},Painter.prototype.saveViewportTexture=function(e){this.reusableTextures.viewport||(this.reusableTextures.viewport={}),this.reusableTextures.viewport.texture=e},Painter.prototype.getTileTexture=function(e,r){var t=this.reusableTextures[e];if(t){var a=t[r||e];return a&&a.length>0?a.pop():null}},Painter.prototype.getViewportTexture=function(e,r){if(this.reusableTextures.viewport){var t=this.reusableTextures.viewport.texture;return t.width===e&&t.height===r?t:(this.gl.deleteTexture(t),void(this.reusableTextures.viewport.texture=null))}},Painter.prototype.lineWidth=function(e){this.gl.lineWidth(util.clamp(e,this.lineWidthRange[0],this.lineWidthRange[1]))},Painter.prototype.showOverdrawInspector=function(e){if(e||this._showOverdrawInspector){this._showOverdrawInspector=e;var r=this.gl;if(e){r.blendFunc(r.CONSTANT_COLOR,r.ONE);var t=8,a=1/t;r.blendColor(a,a,a,0),r.clearColor(0,0,0,1),r.clear(r.COLOR_BUFFER_BIT)}else r.blendFunc(r.ONE,r.ONE_MINUS_SRC_ALPHA)}},Painter.prototype.createProgram=function(e,r){var t=this.gl,a=t.createProgram(),i=shaders[e],s="#define MAPBOX_GL_JS;\n";this._showOverdrawInspector&&(s+="#define OVERDRAW_INSPECTOR;\n");var o=t.createShader(t.FRAGMENT_SHADER);t.shaderSource(o,r.applyPragmas(s+shaders.prelude.fragmentSource+i.fragmentSource,"fragment")),t.compileShader(o),t.attachShader(a,o);var n=t.createShader(t.VERTEX_SHADER);t.shaderSource(n,r.applyPragmas(s+shaders.prelude.vertexSource+i.vertexSource,"vertex")),t.compileShader(n),t.attachShader(a,n),t.linkProgram(a);for(var l=t.getProgramParameter(a,t.ACTIVE_ATTRIBUTES),u={program:a,numAttributes:l},h=0;h<l;h++){var c=t.getActiveAttrib(a,h);u[c.name]=t.getAttribLocation(a,c.name)}for(var p=t.getProgramParameter(a,t.ACTIVE_UNIFORMS),d=0;d<p;d++){var f=t.getActiveUniform(a,d);u[f.name]=t.getUniformLocation(a,f.name)}return u},Painter.prototype._createProgramCached=function(e,r){this.cache=this.cache||{};var t=""+e+(r.cacheKey||"")+(this._showOverdrawInspector?"/overdraw":"");return this.cache[t]||(this.cache[t]=this.createProgram(e,r)),this.cache[t]},Painter.prototype.useProgram=function(e,r){var t=this.gl,a=this._createProgramCached(e,r||this.emptyProgramConfiguration);return this.currentProgram!==a&&(t.useProgram(a.program),this.currentProgram=a),a},module.exports=Painter;
+},{"../data/buffer":8,"../data/extent":11,"../data/pos_array":14,"../data/program_configuration":15,"../data/raster_bounds_array":16,"../source/pixels_to_tile_units":44,"../source/source_cache":48,"../util/browser":107,"../util/util":126,"./draw_background":25,"./draw_circle":26,"./draw_debug":28,"./draw_fill":29,"./draw_fill_extrusion":30,"./draw_line":31,"./draw_raster":32,"./draw_symbol":33,"./frame_history":34,"./vertex_array_object":38,"gl-matrix":144,"mapbox-gl-shaders":162}],37:[function(require,module,exports){
+"use strict";var pixelsToTileUnits=require("../source/pixels_to_tile_units");exports.prepare=function(r,t,i){var o=t.gl,e=t.spriteAtlas.getPosition(r.from,!0),_=t.spriteAtlas.getPosition(r.to,!0);e&&_&&(o.uniform1i(i.u_image,0),o.uniform2fv(i.u_pattern_tl_a,e.tl),o.uniform2fv(i.u_pattern_br_a,e.br),o.uniform2fv(i.u_pattern_tl_b,_.tl),o.uniform2fv(i.u_pattern_br_b,_.br),o.uniform1f(i.u_mix,r.t),o.uniform2fv(i.u_pattern_size_a,e.size),o.uniform2fv(i.u_pattern_size_b,_.size),o.uniform1f(i.u_scale_a,r.fromScale),o.uniform1f(i.u_scale_b,r.toScale),o.activeTexture(o.TEXTURE0),t.spriteAtlas.bind(o,!0))},exports.setTile=function(r,t,i){var o=t.gl;o.uniform1f(i.u_tile_units_to_pixels,1/pixelsToTileUnits(r,1,t.transform.tileZoom));var e=Math.pow(2,r.coord.z),_=r.tileSize*Math.pow(2,t.transform.tileZoom)/e,u=_*(r.coord.x+r.coord.w*e),n=_*r.coord.y;o.uniform2f(i.u_pixel_coord_upper,u>>16,n>>16),o.uniform2f(i.u_pixel_coord_lower,65535&u,65535&n)};
+},{"../source/pixels_to_tile_units":44}],38:[function(require,module,exports){
+"use strict";var VertexArrayObject=function(){this.boundProgram=null,this.boundVertexBuffer=null,this.boundVertexBuffer2=null,this.boundElementBuffer=null,this.boundVertexOffset=null,this.vao=null};VertexArrayObject.prototype.bind=function(e,t,r,i,n,o){void 0===e.extVertexArrayObject&&(e.extVertexArrayObject=e.getExtension("OES_vertex_array_object"));var s=!this.vao||this.boundProgram!==t||this.boundVertexBuffer!==r||this.boundVertexBuffer2!==n||this.boundElementBuffer!==i||this.boundVertexOffset!==o;!e.extVertexArrayObject||s?(this.freshBind(e,t,r,i,n,o),this.gl=e):e.extVertexArrayObject.bindVertexArrayOES(this.vao)},VertexArrayObject.prototype.freshBind=function(e,t,r,i,n,o){var s,u=t.numAttributes;if(e.extVertexArrayObject)this.vao&&this.destroy(),this.vao=e.extVertexArrayObject.createVertexArrayOES(),e.extVertexArrayObject.bindVertexArrayOES(this.vao),s=0,this.boundProgram=t,this.boundVertexBuffer=r,this.boundVertexBuffer2=n,this.boundElementBuffer=i,this.boundVertexOffset=o;else{s=e.currentNumAttributes||0;for(var b=u;b<s;b++)e.disableVertexAttribArray(b)}for(var a=s;a<u;a++)e.enableVertexAttribArray(a);r.bind(e),r.setVertexAttribPointers(e,t,o),n&&(n.bind(e),n.setVertexAttribPointers(e,t,o)),i&&i.bind(e),e.currentNumAttributes=u},VertexArrayObject.prototype.destroy=function(){this.vao&&(this.gl.extVertexArrayObject.deleteVertexArrayOES(this.vao),this.vao=null)},module.exports=VertexArrayObject;
+},{}],39:[function(require,module,exports){
+"use strict";function resolveURL(t){var e=window.document.createElement("a");return e.href=t,e.href}var Evented=require("../util/evented"),util=require("../util/util"),window=require("../util/window"),EXTENT=require("../data/extent"),GeoJSONSource=function(t){function e(e,o,i,r){var a=this;t.call(this),o=o||{},this.id=e,this.type="geojson",this.minzoom=0,this.maxzoom=18,this.tileSize=512,this.isTileClipped=!0,this.reparseOverscaled=!0,this.dispatcher=i,this._data=o.data,void 0!==o.maxzoom&&(this.maxzoom=o.maxzoom),o.type&&(this.type=o.type);var s=EXTENT/this.tileSize;this.workerOptions=util.extend({source:this.id,cluster:o.cluster||!1,geojsonVtOptions:{buffer:(void 0!==o.buffer?o.buffer:128)*s,tolerance:(void 0!==o.tolerance?o.tolerance:.375)*s,extent:EXTENT,maxZoom:this.maxzoom},superclusterOptions:{maxZoom:Math.min(o.clusterMaxZoom,this.maxzoom-1)||this.maxzoom-1,extent:EXTENT,radius:(o.clusterRadius||50)*s,log:!1}},o.workerOptions),this.setEventedParent(r),this.fire("dataloading",{dataType:"source"}),this._updateWorkerData(function(t){return t?void a.fire("error",{error:t}):(a.fire("data",{dataType:"source"}),void a.fire("source.load"))})}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.onAdd=function(t){this.map=t},e.prototype.setData=function(t){var e=this;return this._data=t,this.fire("dataloading",{dataType:"source"}),this._updateWorkerData(function(t){return t?e.fire("error",{error:t}):void e.fire("data",{dataType:"source"})}),this},e.prototype._updateWorkerData=function(t){var e=this,o=util.extend({},this.workerOptions),i=this._data;"string"==typeof i?o.url=resolveURL(i):o.data=JSON.stringify(i),this.workerID=this.dispatcher.send(this.type+".loadData",o,function(o){e._loaded=!0,t(o)})},e.prototype.loadTile=function(t,e){var o=this,i=t.coord.z>this.maxzoom?Math.pow(2,t.coord.z-this.maxzoom):1,r={type:this.type,uid:t.uid,coord:t.coord,zoom:t.coord.z,maxZoom:this.maxzoom,tileSize:this.tileSize,source:this.id,overscaling:i,angle:this.map.transform.angle,pitch:this.map.transform.pitch,showCollisionBoxes:this.map.showCollisionBoxes};t.workerID=this.dispatcher.send("loadTile",r,function(i,r){if(t.unloadVectorData(),!t.aborted)return i?e(i):(t.loadVectorData(r,o.map.painter),t.redoWhenDone&&(t.redoWhenDone=!1,t.redoPlacement(o)),e(null))},this.workerID)},e.prototype.abortTile=function(t){t.aborted=!0},e.prototype.unloadTile=function(t){t.unloadVectorData(),this.dispatcher.send("removeTile",{uid:t.uid,type:this.type,source:this.id},function(){},t.workerID)},e.prototype.serialize=function(){return{type:this.type,data:this._data}},e}(Evented);module.exports=GeoJSONSource;
+},{"../data/extent":11,"../util/evented":115,"../util/util":126,"../util/window":109}],40:[function(require,module,exports){
+"use strict";var ajax=require("../util/ajax"),rewind=require("geojson-rewind"),GeoJSONWrapper=require("./geojson_wrapper"),vtpbf=require("vt-pbf"),supercluster=require("supercluster"),geojsonvt=require("geojson-vt"),VectorTileWorkerSource=require("./vector_tile_worker_source"),GeoJSONWorkerSource=function(e){function r(r,t,o){e.call(this,r,t),o&&(this.loadGeoJSON=o),this._geoJSONIndexes={}}return e&&(r.__proto__=e),r.prototype=Object.create(e&&e.prototype),r.prototype.constructor=r,r.prototype.loadVectorData=function(e,r){var t=e.source,o=e.coord;if(!this._geoJSONIndexes[t])return r(null,null);var n=this._geoJSONIndexes[t].getTile(Math.min(o.z,e.maxZoom),o.x,o.y);if(!n)return r(null,null);var a=new GeoJSONWrapper(n.features);a.name="_geojsonTileLayer";var u=vtpbf({layers:{_geojsonTileLayer:a}});0===u.byteOffset&&u.byteLength===u.buffer.byteLength||(u=new Uint8Array(u)),a.rawData=u.buffer,r(null,a)},r.prototype.loadData=function(e,r){var t=function(t,o){var n=this;return t?r(t):"object"!=typeof o?r(new Error("Input data is not a valid GeoJSON object.")):(rewind(o,!0),void this._indexData(o,e,function(t,o){return t?r(t):(n._geoJSONIndexes[e.source]=o,void r(null))}))}.bind(this);this.loadGeoJSON(e,t)},r.prototype.loadGeoJSON=function(e,r){if(e.url)ajax.getJSON(e.url,r);else{if("string"!=typeof e.data)return r(new Error("Input data is not a valid GeoJSON object."));try{return r(null,JSON.parse(e.data))}catch(e){return r(new Error("Input data is not a valid GeoJSON object."))}}},r.prototype._indexData=function(e,r,t){try{r.cluster?t(null,supercluster(r.superclusterOptions).load(e.features)):t(null,geojsonvt(e,r.geojsonVtOptions))}catch(e){return t(e)}},r}(VectorTileWorkerSource);module.exports=GeoJSONWorkerSource;
+},{"../util/ajax":106,"./geojson_wrapper":41,"./vector_tile_worker_source":52,"geojson-rewind":135,"geojson-vt":139,"supercluster":198,"vt-pbf":208}],41:[function(require,module,exports){
+"use strict";var Point=require("point-geometry"),VectorTileFeature=require("vector-tile").VectorTileFeature,EXTENT=require("../data/extent"),FeatureWrapper=function(e){var t=this;if(this.type=e.type,1===e.type){this.rawGeometry=[];for(var r=0;r<e.geometry.length;r++)t.rawGeometry.push([e.geometry[r]])}else this.rawGeometry=e.geometry;this.properties=e.tags,this.extent=EXTENT};FeatureWrapper.prototype.loadGeometry=function(){var e=this,t=this.rawGeometry;this.geometry=[];for(var r=0;r<t.length;r++){for(var o=t[r],a=[],i=0;i<o.length;i++)a.push(new Point(o[i][0],o[i][1]));e.geometry.push(a)}return this.geometry},FeatureWrapper.prototype.bbox=function(){this.geometry||this.loadGeometry();for(var e=this.geometry,t=1/0,r=-(1/0),o=1/0,a=-(1/0),i=0;i<e.length;i++)for(var p=e[i],h=0;h<p.length;h++){var n=p[h];t=Math.min(t,n.x),r=Math.max(r,n.x),o=Math.min(o,n.y),a=Math.max(a,n.y)}return[t,o,r,a]},FeatureWrapper.prototype.toGeoJSON=function(){VectorTileFeature.prototype.toGeoJSON.call(this)};var GeoJSONWrapper=function(e){this.features=e,this.length=e.length,this.extent=EXTENT};GeoJSONWrapper.prototype.feature=function(e){return new FeatureWrapper(this.features[e])},module.exports=GeoJSONWrapper;
+},{"../data/extent":11,"point-geometry":194,"vector-tile":204}],42:[function(require,module,exports){
+"use strict";var util=require("../util/util"),window=require("../util/window"),TileCoord=require("./tile_coord"),LngLat=require("../geo/lng_lat"),Point=require("point-geometry"),Evented=require("../util/evented"),ajax=require("../util/ajax"),EXTENT=require("../data/extent"),RasterBoundsArray=require("../data/raster_bounds_array"),Buffer=require("../data/buffer"),VertexArrayObject=require("../render/vertex_array_object"),ImageSource=function(t){function e(e,r,o,i){t.call(this),this.id=e,this.dispatcher=o,this.coordinates=r.coordinates,this.minzoom=0,this.maxzoom=22,this.tileSize=512,this.setEventedParent(i),this.fire("dataloading",{dataType:"source"}),this._load(r)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype._load=function(t){var e=this;this.url=t.url,ajax.getImage(t.url,function(t,r){return t?e.fire("error",{error:t}):(e.image=r,void e._finishLoading())})},e.prototype._finishLoading=function(){this.fire("data",{dataType:"source"}),this.fire("source.load"),this.map&&this.setCoordinates(this.coordinates)},e.prototype.onAdd=function(t){this.map=t,this.image&&this.setCoordinates(this.coordinates)},e.prototype.setCoordinates=function(t){this.coordinates=t;var e=this.map,r=t.map(function(t){return e.transform.locationCoordinate(LngLat.convert(t)).zoomTo(0)}),o=this.centerCoord=util.getCoordinatesCenter(r);return o.column=Math.round(o.column),o.row=Math.round(o.row),this.minzoom=this.maxzoom=o.zoom,this.coord=new TileCoord(o.zoom,o.column,o.row),this._tileCoords=r.map(function(t){var e=t.zoomTo(o.zoom);return new Point(Math.round((e.column-o.column)*EXTENT),Math.round((e.row-o.row)*EXTENT))}),this.fire("data",{dataType:"source"}),this},e.prototype._setTile=function(t){this.tile=t;var e=32767,r=new RasterBoundsArray;r.emplaceBack(this._tileCoords[0].x,this._tileCoords[0].y,0,0),r.emplaceBack(this._tileCoords[1].x,this._tileCoords[1].y,e,0),r.emplaceBack(this._tileCoords[3].x,this._tileCoords[3].y,0,e),r.emplaceBack(this._tileCoords[2].x,this._tileCoords[2].y,e,e),this.tile.buckets={},this.tile.boundsBuffer=Buffer.fromStructArray(r,Buffer.BufferType.VERTEX),this.tile.boundsVAO=new VertexArrayObject},e.prototype.prepare=function(){this.tile&&this.image&&this._prepareImage(this.map.painter.gl,this.image)},e.prototype._prepareImage=function(t,e){"loaded"!==this.tile.state?(this.tile.state="loaded",this.tile.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.tile.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.LINEAR),t.texImage2D(t.TEXTURE_2D,0,t.RGBA,t.RGBA,t.UNSIGNED_BYTE,e)):e instanceof window.HTMLVideoElement&&(t.bindTexture(t.TEXTURE_2D,this.tile.texture),t.texSubImage2D(t.TEXTURE_2D,0,0,0,t.RGBA,t.UNSIGNED_BYTE,e))},e.prototype.loadTile=function(t,e){this.coord&&this.coord.toString()===t.coord.toString()?(this._setTile(t),e(null)):(t.state="errored",e(null))},e.prototype.serialize=function(){return{type:"image",urls:this.url,coordinates:this.coordinates}},e}(Evented);module.exports=ImageSource;
+},{"../data/buffer":8,"../data/extent":11,"../data/raster_bounds_array":16,"../geo/lng_lat":19,"../render/vertex_array_object":38,"../util/ajax":106,"../util/evented":115,"../util/util":126,"../util/window":109,"./tile_coord":50,"point-geometry":194}],43:[function(require,module,exports){
+"use strict";var util=require("../util/util"),ajax=require("../util/ajax"),browser=require("../util/browser"),normalizeURL=require("../util/mapbox").normalizeSourceURL;module.exports=function(r,e){var i=function(r,i){if(r)return e(r);var t=util.pick(i,["tiles","minzoom","maxzoom","attribution"]);i.vector_layers&&(t.vectorLayers=i.vector_layers,t.vectorLayerIds=t.vectorLayers.map(function(r){return r.id})),e(null,t)};r.url?ajax.getJSON(normalizeURL(r.url),i):browser.frame(i.bind(null,null,r))};
+},{"../util/ajax":106,"../util/browser":107,"../util/mapbox":122,"../util/util":126}],44:[function(require,module,exports){
+"use strict";var EXTENT=require("../data/extent");module.exports=function(e,t,r){return t*(EXTENT/(e.tileSize*Math.pow(2,r-e.coord.z)))};
+},{"../data/extent":11}],45:[function(require,module,exports){
+"use strict";function sortTilesIn(e,r){var o=e.coord,t=r.coord;return o.z-t.z||o.y-t.y||o.w-t.w||o.x-t.x}function mergeRenderedFeatureLayers(e){for(var r=e[0]||{},o=1;o<e.length;o++){var t=e[o];for(var n in t){var a=t[n],i=r[n];if(void 0===i)i=r[n]=a;else for(var u=0;u<a.length;u++)i.push(a[u])}}return r}var TileCoord=require("./tile_coord");exports.rendered=function(e,r,o,t,n,a){var i=e.tilesIn(o);i.sort(sortTilesIn);for(var u=[],s=0;s<i.length;s++){var d=i[s];d.tile.featureIndex&&u.push(d.tile.featureIndex.query({queryGeometry:d.queryGeometry,scale:d.scale,tileSize:d.tile.tileSize,bearing:a,params:t},r))}return mergeRenderedFeatureLayers(u)},exports.source=function(e,r){for(var o=e.getRenderableIds().map(function(r){return e.getTileByID(r)}),t=[],n={},a=0;a<o.length;a++){var i=o[a],u=new TileCoord(Math.min(i.sourceMaxZoom,i.coord.z),i.coord.x,i.coord.y,0).id;n[u]||(n[u]=!0,i.querySourceFeatures(t,r))}return t};
+},{"./tile_coord":50}],46:[function(require,module,exports){
+"use strict";var util=require("../util/util"),ajax=require("../util/ajax"),Evented=require("../util/evented"),loadTileJSON=require("./load_tilejson"),normalizeURL=require("../util/mapbox").normalizeTileURL,RasterTileSource=function(e){function t(t,i,r,a){var o=this;e.call(this),this.id=t,this.dispatcher=r,this.minzoom=0,this.maxzoom=22,this.roundZoom=!0,this.scheme="xyz",this.tileSize=512,this._loaded=!1,util.extend(this,util.pick(i,["url","scheme","tileSize"])),this.setEventedParent(a),this.fire("dataloading",{dataType:"source"}),loadTileJSON(i,function(e,t){return e?o.fire("error",e):(util.extend(o,t),o.fire("data",{dataType:"source"}),void o.fire("source.load"))})}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype.onAdd=function(e){this.map=e},t.prototype.serialize=function(){return{type:"raster",url:this.url,tileSize:this.tileSize,tiles:this.tiles}},t.prototype.loadTile=function(e,t){function i(i,r){if(delete e.request,e.aborted)return this.state="unloaded",t(null);if(i)return this.state="errored",t(i);var a=this.map.painter.gl;e.texture=this.map.painter.getTileTexture(r.width),e.texture?(a.bindTexture(a.TEXTURE_2D,e.texture),a.texSubImage2D(a.TEXTURE_2D,0,0,0,a.RGBA,a.UNSIGNED_BYTE,r)):(e.texture=a.createTexture(),a.bindTexture(a.TEXTURE_2D,e.texture),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_MIN_FILTER,a.LINEAR_MIPMAP_NEAREST),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_MAG_FILTER,a.LINEAR),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_WRAP_S,a.CLAMP_TO_EDGE),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_WRAP_T,a.CLAMP_TO_EDGE),a.pixelStorei(a.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!0),a.texImage2D(a.TEXTURE_2D,0,a.RGBA,a.RGBA,a.UNSIGNED_BYTE,r),e.texture.size=r.width),a.generateMipmap(a.TEXTURE_2D),e.state="loaded",t(null)}var r=normalizeURL(e.coord.url(this.tiles,null,this.scheme),this.url,this.tileSize);e.request=ajax.getImage(r,i.bind(this))},t.prototype.abortTile=function(e){e.request&&(e.request.abort(),delete e.request)},t.prototype.unloadTile=function(e){e.texture&&this.map.painter.saveTileTexture(e.texture)},t}(Evented);module.exports=RasterTileSource;
+},{"../util/ajax":106,"../util/evented":115,"../util/mapbox":122,"../util/util":126,"./load_tilejson":43}],47:[function(require,module,exports){
+"use strict";var util=require("../util/util"),sourceTypes={vector:require("../source/vector_tile_source"),raster:require("../source/raster_tile_source"),geojson:require("../source/geojson_source"),video:require("../source/video_source"),image:require("../source/image_source")};exports.create=function(e,r,o,t){if(r=new sourceTypes[r.type](e,r,o,t),r.setEventedParent(t),r.id!==e)throw new Error("Expected Source id to be "+e+" instead of "+r.id);return util.bindAll(["load","abort","unload","serialize","prepare"],r),r},exports.getType=function(e){return sourceTypes[e]},exports.setType=function(e,r){sourceTypes[e]=r};
+},{"../source/geojson_source":39,"../source/image_source":42,"../source/raster_tile_source":46,"../source/vector_tile_source":51,"../source/video_source":53,"../util/util":126}],48:[function(require,module,exports){
+"use strict";function coordinateToTilePoint(e,t,o){var r=o.zoomTo(Math.min(e.z,t));return{x:(r.column-(e.x+e.w*Math.pow(2,e.z)))*EXTENT,y:(r.row-e.y)*EXTENT}}function compareKeyZoom(e,t){return e%32-t%32}var Source=require("./source"),Tile=require("./tile"),Evented=require("../util/evented"),TileCoord=require("./tile_coord"),Cache=require("../util/lru_cache"),Coordinate=require("../geo/coordinate"),util=require("../util/util"),EXTENT=require("../data/extent"),SourceCache=function(e){function t(t,o,r){e.call(this),this.id=t,this.dispatcher=r,this._source=Source.create(t,o,r,this),this.on("source.load",function(){this.map&&this._source.onAdd&&this._source.onAdd(this.map),this._sourceLoaded=!0}),this.on("error",function(){this._sourceErrored=!0}),this.on("data",function(e){this._sourceLoaded&&"source"===e.dataType&&(this.reload(),this.transform&&this.update(this.transform))}),this._tiles={},this._cache=new Cache(0,this.unloadTile.bind(this)),this._isIdRenderable=this._isIdRenderable.bind(this)}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype.onAdd=function(e){this.map=e,this._source&&this._source.onAdd&&this._source.onAdd(e)},t.prototype.loaded=function(){var e=this;if(this._sourceErrored)return!0;if(!this._sourceLoaded)return!1;for(var t in this._tiles){var o=e._tiles[t];if("loaded"!==o.state&&"errored"!==o.state)return!1}return!0},t.prototype.getSource=function(){return this._source},t.prototype.loadTile=function(e,t){return this._source.loadTile(e,t)},t.prototype.unloadTile=function(e){if(this._source.unloadTile)return this._source.unloadTile(e)},t.prototype.abortTile=function(e){if(this._source.abortTile)return this._source.abortTile(e)},t.prototype.serialize=function(){return this._source.serialize()},t.prototype.prepare=function(){if(this._sourceLoaded&&this._source.prepare)return this._source.prepare()},t.prototype.getIds=function(){return Object.keys(this._tiles).map(Number).sort(compareKeyZoom)},t.prototype.getRenderableIds=function(){return this.getIds().filter(this._isIdRenderable)},t.prototype._isIdRenderable=function(e){return this._tiles[e].hasData()&&!this._coveredTiles[e]},t.prototype.reload=function(){var e=this;this._cache.reset();for(var t in this._tiles){var o=e._tiles[t];"loading"!==o.state&&(o.state="reloading"),e.loadTile(e._tiles[t],e._tileLoaded.bind(e,e._tiles[t]))}},t.prototype._tileLoaded=function(e,t){return t?(e.state="errored",void this._source.fire("error",{tile:e,error:t})):(e.sourceCache=this,e.timeAdded=(new Date).getTime(),this._source.fire("data",{tile:e,dataType:"tile"}),void(this.map&&(this.map.painter.tileExtentVAO.vao=null)))},t.prototype.getTile=function(e){return this.getTileByID(e.id)},t.prototype.getTileByID=function(e){return this._tiles[e]},t.prototype.getZoom=function(e){return e.zoom+e.scaleZoom(e.tileSize/this._source.tileSize)},t.prototype.findLoadedChildren=function(e,t,o){var r=this,i=!1;for(var s in this._tiles){var a=r._tiles[s];if(!(o[s]||!a.hasData()||a.coord.z<=e.z||a.coord.z>t)){var n=Math.pow(2,Math.min(a.coord.z,r._source.maxzoom)-Math.min(e.z,r._source.maxzoom));if(Math.floor(a.coord.x/n)===e.x&&Math.floor(a.coord.y/n)===e.y)for(o[s]=!0,i=!0;a&&a.coord.z-1>e.z;){var d=a.coord.parent(r._source.maxzoom).id;a=r._tiles[d],a&&a.hasData()&&(delete o[s],o[d]=!0)}}}return i},t.prototype.findLoadedParent=function(e,t,o){for(var r=this,i=e.z-1;i>=t;i--){e=e.parent(r._source.maxzoom);var s=r._tiles[e.id];if(s&&s.hasData())return o[e.id]=!0,s;if(r._cache.has(e.id))return r.addTile(e),o[e.id]=!0,r._tiles[e.id]}},t.prototype.updateCacheSize=function(e){var t=Math.ceil(e.width/e.tileSize)+1,o=Math.ceil(e.height/e.tileSize)+1,r=t*o,i=5;this._cache.setMaxSize(Math.floor(r*i))},t.prototype.update=function(e){var o=this;if(this._sourceLoaded){var r,i,s;this.updateCacheSize(e);var a=(this._source.roundZoom?Math.round:Math.floor)(this.getZoom(e)),n=Math.max(a-t.maxOverzooming,this._source.minzoom),d=Math.max(a+t.maxUnderzooming,this._source.minzoom),c={};this._coveredTiles={};var h;for(h=this.used?this._source.coord?[this._source.coord]:e.coveringTiles({tileSize:this._source.tileSize,minzoom:this._source.minzoom,maxzoom:this._source.maxzoom,roundZoom:this._source.roundZoom,reparseOverscaled:this._source.reparseOverscaled}):[],r=0;r<h.length;r++)i=h[r],s=o.addTile(i),c[i.id]=!0,s.hasData()||o.findLoadedChildren(i,d,c)||o.findLoadedParent(i,n,c);for(var u={},l=Object.keys(c),p=0;p<l.length;p++){var _=l[p];i=TileCoord.fromID(_),s=o._tiles[_],s&&s.animationLoopEndTime>=Date.now()&&(o.findLoadedChildren(i,d,c)&&(c[_]=!0),o.findLoadedParent(i,n,u))}var m;for(m in u)c[m]||(o._coveredTiles[m]=!0);for(m in u)c[m]=!0;var f=util.keysDifference(this._tiles,c);for(r=0;r<f.length;r++)o.removeTile(+f[r]);this.transform=e}},t.prototype.addTile=function(e){var t=this._tiles[e.id];if(t)return t;var o=e.wrapped();if(t=this._tiles[o.id],t||(t=this._cache.get(o.id),t&&t.redoPlacement(this._source)),!t){var r=e.z,i=r>this._source.maxzoom?Math.pow(2,r-this._source.maxzoom):1;t=new Tile(o,this._source.tileSize*i,this._source.maxzoom),this.loadTile(t,this._tileLoaded.bind(this,t))}return t.uses++,this._tiles[e.id]=t,this._source.fire("dataloading",{tile:t,dataType:"tile"}),t},t.prototype.removeTile=function(e){var t=this._tiles[e];t&&(t.uses--,delete this._tiles[e],this._source.fire("data",{tile:t,dataType:"tile"}),t.uses>0||(t.hasData()?this._cache.add(t.coord.wrapped().id,t):(t.aborted=!0,this.abortTile(t),this.unloadTile(t))))},t.prototype.clearTiles=function(){var e=this;for(var t in this._tiles)e.removeTile(t);this._cache.reset()},t.prototype.tilesIn=function(e){for(var t=this,o={},r=this.getIds(),i=1/0,s=1/0,a=-(1/0),n=-(1/0),d=e[0].zoom,c=0;c<e.length;c++){var h=e[c];i=Math.min(i,h.column),s=Math.min(s,h.row),a=Math.max(a,h.column),n=Math.max(n,h.row)}for(var u=0;u<r.length;u++){var l=t._tiles[r[u]],p=TileCoord.fromID(r[u]),_=[coordinateToTilePoint(p,l.sourceMaxZoom,new Coordinate(i,s,d)),coordinateToTilePoint(p,l.sourceMaxZoom,new Coordinate(a,n,d))];if(_[0].x<EXTENT&&_[0].y<EXTENT&&_[1].x>=0&&_[1].y>=0){for(var m=[],f=0;f<e.length;f++)m.push(coordinateToTilePoint(p,l.sourceMaxZoom,e[f]));var v=o[l.coord.id];void 0===v&&(v=o[l.coord.id]={tile:l,coord:p,queryGeometry:[],scale:Math.pow(2,t.transform.zoom-l.coord.z)}),v.queryGeometry.push(m)}}var T=[];for(var y in o)T.push(o[y]);return T},t.prototype.redoPlacement=function(){for(var e=this,t=this.getIds(),o=0;o<t.length;o++){var r=e.getTileByID(t[o]);r.redoPlacement(e._source)}},t.prototype.getVisibleCoordinates=function(){for(var e=this,t=this.getRenderableIds().map(TileCoord.fromID),o=0,r=t;o<r.length;o+=1){var i=r[o];i.posMatrix=e.transform.calculatePosMatrix(i,e._source.maxzoom)}return t},t}(Evented);SourceCache.maxOverzooming=10,SourceCache.maxUnderzooming=3,module.exports=SourceCache;
+},{"../data/extent":11,"../geo/coordinate":18,"../util/evented":115,"../util/lru_cache":121,"../util/util":126,"./source":47,"./tile":49,"./tile_coord":50}],49:[function(require,module,exports){
+"use strict";var util=require("../util/util"),Bucket=require("../data/bucket"),FeatureIndex=require("../data/feature_index"),vt=require("vector-tile"),Protobuf=require("pbf"),GeoJSONFeature=require("../util/vectortile_to_geojson"),featureFilter=require("feature-filter"),CollisionTile=require("../symbol/collision_tile"),CollisionBoxArray=require("../symbol/collision_box"),SymbolInstancesArray=require("../symbol/symbol_instances"),SymbolQuadsArray=require("../symbol/symbol_quads"),Tile=function(e,t,i){this.coord=e,this.uid=util.uniqueId(),this.uses=0,this.tileSize=t,this.sourceMaxZoom=i,this.buckets={},this.state="loading"};Tile.prototype.setAnimationLoop=function(e,t){this.animationLoopEndTime=t+Date.now(),void 0!==this.animationLoopId&&e.cancel(this.animationLoopId),this.animationLoopId=e.set(t)},Tile.prototype.loadVectorData=function(e,t){this.hasData()&&this.unloadVectorData(t),this.state="loaded",e&&(e.rawTileData&&(this.rawTileData=e.rawTileData),this.collisionBoxArray=new CollisionBoxArray(e.collisionBoxArray),this.collisionTile=new CollisionTile(e.collisionTile,this.collisionBoxArray),this.symbolInstancesArray=new SymbolInstancesArray(e.symbolInstancesArray),this.symbolQuadsArray=new SymbolQuadsArray(e.symbolQuadsArray),this.featureIndex=new FeatureIndex(e.featureIndex,this.rawTileData,this.collisionTile),this.buckets=Bucket.deserialize(e.buckets,t.style))},Tile.prototype.reloadSymbolData=function(e,t){var i=this;if("unloaded"!==this.state){this.collisionTile=new CollisionTile(e.collisionTile,this.collisionBoxArray),this.featureIndex.setCollisionTile(this.collisionTile);for(var o in this.buckets){var s=i.buckets[o];"symbol"===s.type&&(s.destroy(),delete i.buckets[o])}util.extend(this.buckets,Bucket.deserialize(e.buckets,t))}},Tile.prototype.unloadVectorData=function(){var e=this;for(var t in this.buckets)e.buckets[t].destroy();this.buckets={},this.collisionBoxArray=null,this.symbolQuadsArray=null,this.symbolInstancesArray=null,this.collisionTile=null,this.featureIndex=null,this.state="unloaded"},Tile.prototype.redoPlacement=function(e){function t(t,i){this.reloadSymbolData(i,e.map.style),e.fire("data",{tile:this,dataType:"tile"}),e.map&&(e.map.painter.tileExtentVAO.vao=null),this.state="loaded",this.redoWhenDone&&(this.redoPlacement(e),this.redoWhenDone=!1)}if("vector"===e.type||"geojson"===e.type){if("loaded"!==this.state||"reloading"===this.state)return void(this.redoWhenDone=!0);this.state="reloading",e.dispatcher.send("redoPlacement",{type:e.type,uid:this.uid,source:e.id,angle:e.map.transform.angle,pitch:e.map.transform.pitch,showCollisionBoxes:e.map.showCollisionBoxes},t.bind(this),this.workerID)}},Tile.prototype.getBucket=function(e){return this.buckets[e.id]},Tile.prototype.querySourceFeatures=function(e,t){var i=this;if(this.rawTileData){this.vtLayers||(this.vtLayers=new vt.VectorTile(new Protobuf(this.rawTileData)).layers);var o=this.vtLayers._geojsonTileLayer||this.vtLayers[t.sourceLayer];if(o)for(var s=featureFilter(t&&t.filter),r={z:this.coord.z,x:this.coord.x,y:this.coord.y},a=0;a<o.length;a++){var l=o.feature(a);if(s(l)){var n=new GeoJSONFeature(l,i.coord.z,i.coord.x,i.coord.y);n.tile=r,e.push(n)}}}},Tile.prototype.hasData=function(){return"loaded"===this.state||"reloading"===this.state},module.exports=Tile;
+},{"../data/bucket":2,"../data/feature_index":12,"../symbol/collision_box":75,"../symbol/collision_tile":77,"../symbol/symbol_instances":86,"../symbol/symbol_quads":87,"../util/util":126,"../util/vectortile_to_geojson":127,"feature-filter":133,"pbf":193,"vector-tile":204}],50:[function(require,module,exports){
+"use strict";function edge(t,i){if(t.row>i.row){var o=t;t=i,i=o}return{x0:t.column,y0:t.row,x1:i.column,y1:i.row,dx:i.column-t.column,dy:i.row-t.row}}function scanSpans(t,i,o,r,e){var n=Math.max(o,Math.floor(i.y0)),h=Math.min(r,Math.ceil(i.y1));if(t.x0===i.x0&&t.y0===i.y0?t.x0+i.dy/t.dy*t.dx<i.x1:t.x1-i.dy/t.dy*t.dx<i.x0){var s=t;t=i,i=s}for(var a=t.dx/t.dy,d=i.dx/i.dy,y=t.dx>0,l=i.dx<0,u=n;u<h;u++){var x=a*Math.max(0,Math.min(t.dy,u+y-t.y0))+t.x0,c=d*Math.max(0,Math.min(i.dy,u+l-i.y0))+i.x0;e(Math.floor(c),Math.ceil(x),u)}}function scanTriangle(t,i,o,r,e,n){var h,s=edge(t,i),a=edge(i,o),d=edge(o,t);s.dy>a.dy&&(h=s,s=a,a=h),s.dy>d.dy&&(h=s,s=d,d=h),a.dy>d.dy&&(h=a,a=d,d=h),s.dy&&scanSpans(d,s,r,e,n),a.dy&&scanSpans(d,a,r,e,n)}function getQuadkey(t,i,o){for(var r,e="",n=t;n>0;n--)r=1<<n-1,e+=(i&r?1:0)+(o&r?2:0);return e}var WhooTS=require("whoots-js"),Coordinate=require("../geo/coordinate"),TileCoord=function(t,i,o,r){isNaN(r)&&(r=0),this.z=+t,this.x=+i,this.y=+o,this.w=+r,r*=2,r<0&&(r=r*-1-1);var e=1<<this.z;this.id=32*(e*e*r+e*this.y+this.x)+this.z,this.posMatrix=null};TileCoord.prototype.toString=function(){return this.z+"/"+this.x+"/"+this.y},TileCoord.prototype.toCoordinate=function(t){var i=Math.min(this.z,t),o=Math.pow(2,i),r=this.y,e=this.x+o*this.w;return new Coordinate(e,r,i)},TileCoord.prototype.url=function(t,i,o){var r=WhooTS.getTileBBox(this.x,this.y,this.z),e=getQuadkey(this.z,this.x,this.y);return t[(this.x+this.y)%t.length].replace("{prefix}",(this.x%16).toString(16)+(this.y%16).toString(16)).replace("{z}",Math.min(this.z,i||this.z)).replace("{x}",this.x).replace("{y}","tms"===o?Math.pow(2,this.z)-this.y-1:this.y).replace("{quadkey}",e).replace("{bbox-epsg-3857}",r)},TileCoord.prototype.parent=function(t){return 0===this.z?null:this.z>t?new TileCoord(this.z-1,this.x,this.y,this.w):new TileCoord(this.z-1,Math.floor(this.x/2),Math.floor(this.y/2),this.w)},TileCoord.prototype.wrapped=function(){return new TileCoord(this.z,this.x,this.y,0)},TileCoord.prototype.children=function(t){if(this.z>=t)return[new TileCoord(this.z+1,this.x,this.y,this.w)];var i=this.z+1,o=2*this.x,r=2*this.y;return[new TileCoord(i,o,r,this.w),new TileCoord(i,o+1,r,this.w),new TileCoord(i,o,r+1,this.w),new TileCoord(i,o+1,r+1,this.w)]},TileCoord.cover=function(t,i,o){function r(t,i,r){var h,s,a;if(r>=0&&r<=e)for(h=t;h<i;h++)s=(h%e+e)%e,a=new TileCoord(o,s,r,Math.floor(h/e)),n[a.id]=a}var e=1<<t,n={};return scanTriangle(i[0],i[1],i[2],0,e,r),scanTriangle(i[2],i[3],i[0],0,e,r),Object.keys(n).map(function(t){return n[t]})},TileCoord.fromID=function(t){var i=t%32,o=1<<i,r=(t-i)/32,e=r%o,n=(r-e)/o%o,h=Math.floor(r/(o*o));return h%2!==0&&(h=h*-1-1),h/=2,new TileCoord(i,e,n,h)},module.exports=TileCoord;
+},{"../geo/coordinate":18,"whoots-js":213}],51:[function(require,module,exports){
+"use strict";var Evented=require("../util/evented"),util=require("../util/util"),loadTileJSON=require("./load_tilejson"),normalizeURL=require("../util/mapbox").normalizeTileURL,VectorTileSource=function(e){function t(t,i,o,r){var l=this;if(e.call(this),this.id=t,this.dispatcher=o,this.type="vector",this.minzoom=0,this.maxzoom=22,this.scheme="xyz",this.tileSize=512,this.reparseOverscaled=!0,this.isTileClipped=!0,util.extend(this,util.pick(i,["url","scheme","tileSize"])),this._options=util.extend({type:"vector"},i),512!==this.tileSize)throw new Error("vector tile sources must have a tileSize of 512");this.setEventedParent(r),this.fire("dataloading",{dataType:"source"}),loadTileJSON(i,function(e,t){return e?void l.fire("error",e):(util.extend(l,t),l.fire("data",{dataType:"source"}),void l.fire("source.load"))})}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype.onAdd=function(e){this.map=e},t.prototype.serialize=function(){return util.extend({},this._options)},t.prototype.loadTile=function(e,t){function i(i,o){if(!e.aborted){if(i)return t(i);e.loadVectorData(o,this.map.painter),e.redoWhenDone&&(e.redoWhenDone=!1,e.redoPlacement(this)),t(null),e.reloadCallback&&(this.loadTile(e,e.reloadCallback),e.reloadCallback=null)}}var o=e.coord.z>this.maxzoom?Math.pow(2,e.coord.z-this.maxzoom):1,r={url:normalizeURL(e.coord.url(this.tiles,this.maxzoom,this.scheme),this.url),uid:e.uid,coord:e.coord,zoom:e.coord.z,tileSize:this.tileSize*o,type:this.type,source:this.id,overscaling:o,angle:this.map.transform.angle,pitch:this.map.transform.pitch,showCollisionBoxes:this.map.showCollisionBoxes};e.workerID?"loading"===e.state?e.reloadCallback=t:this.dispatcher.send("reloadTile",r,i.bind(this),e.workerID):e.workerID=this.dispatcher.send("loadTile",r,i.bind(this))},t.prototype.abortTile=function(e){this.dispatcher.send("abortTile",{uid:e.uid,type:this.type,source:this.id},null,e.workerID)},t.prototype.unloadTile=function(e){e.unloadVectorData(),this.dispatcher.send("removeTile",{uid:e.uid,type:this.type,source:this.id},null,e.workerID)},t}(Evented);module.exports=VectorTileSource;
+},{"../util/evented":115,"../util/mapbox":122,"../util/util":126,"./load_tilejson":43}],52:[function(require,module,exports){
+"use strict";var ajax=require("../util/ajax"),vt=require("vector-tile"),Protobuf=require("pbf"),WorkerTile=require("./worker_tile"),util=require("../util/util"),VectorTileWorkerSource=function(e,r,o){this.actor=e,this.layerIndex=r,o&&(this.loadVectorData=o),this.loading={},this.loaded={}};VectorTileWorkerSource.prototype.loadTile=function(e,r){function o(e,o){return delete this.loading[t][i],e?r(e):o?(a.vectorTile=o,a.parse(o,this.layerIndex,this.actor,function(e,t,i){return e?r(e):void r(null,util.extend({rawTileData:o.rawData},t),i)}),this.loaded[t]=this.loaded[t]||{},void(this.loaded[t][i]=a)):r(null,null)}var t=e.source,i=e.uid;this.loading[t]||(this.loading[t]={});var a=this.loading[t][i]=new WorkerTile(e);a.abort=this.loadVectorData(e,o.bind(this))},VectorTileWorkerSource.prototype.reloadTile=function(e,r){var o=this.loaded[e.source],t=e.uid;if(o&&o[t]){var i=o[t];i.parse(i.vectorTile,this.layerIndex,this.actor,r)}},VectorTileWorkerSource.prototype.abortTile=function(e){var r=this.loading[e.source],o=e.uid;r&&r[o]&&r[o].abort&&(r[o].abort(),delete r[o])},VectorTileWorkerSource.prototype.removeTile=function(e){var r=this.loaded[e.source],o=e.uid;r&&r[o]&&delete r[o]},VectorTileWorkerSource.prototype.loadVectorData=function(e,r){function o(e,o){if(e)return r(e);var t=new vt.VectorTile(new Protobuf(o));t.rawData=o,r(e,t)}var t=ajax.getArrayBuffer(e.url,o.bind(this));return function(){t.abort()}},VectorTileWorkerSource.prototype.redoPlacement=function(e,r){var o=this.loaded[e.source],t=this.loading[e.source],i=e.uid;if(o&&o[i]){var a=o[i],l=a.redoPlacement(e.angle,e.pitch,e.showCollisionBoxes);l.result&&r(null,l.result,l.transferables)}else t&&t[i]&&(t[i].angle=e.angle)},module.exports=VectorTileWorkerSource;
+},{"../util/ajax":106,"../util/util":126,"./worker_tile":55,"pbf":193,"vector-tile":204}],53:[function(require,module,exports){
+"use strict";var ajax=require("../util/ajax"),ImageSource=require("./image_source"),VideoSource=function(e){function t(t,o,i,r){e.call(this,t,o,i,r),this.roundZoom=!0}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype._load=function(e){var t=this;this.urls=e.urls,ajax.getVideo(e.urls,function(e,o){if(e)return t.fire("error",{error:e});t.video=o,t.video.loop=!0;var i;t.video.addEventListener("playing",function(){i=t.map.style.animationLoop.set(1/0),t.map._rerender()}),t.video.addEventListener("pause",function(){t.map.style.animationLoop.cancel(i)}),t.map&&t.video.play(),t._finishLoading()})},t.prototype.getVideo=function(){return this.video},t.prototype.onAdd=function(e){this.map||(this.map=e,this.video&&(this.video.play(),this.setCoordinates(this.coordinates)))},t.prototype.prepare=function(){!this.tile||this.video.readyState<2||this._prepareImage(this.map.painter.gl,this.video)},t.prototype.serialize=function(){return{type:"video",urls:this.urls,coordinates:this.coordinates}},t}(ImageSource);module.exports=VideoSource;
+},{"../util/ajax":106,"./image_source":42}],54:[function(require,module,exports){
+"use strict";var Actor=require("../util/actor"),StyleLayerIndex=require("../style/style_layer_index"),VectorTileWorkerSource=require("./vector_tile_worker_source"),GeoJSONWorkerSource=require("./geojson_worker_source"),Worker=function(e){var r=this;this.self=e,this.actor=new Actor(e,this),this.layerIndexes={},this.workerSourceTypes={vector:VectorTileWorkerSource,geojson:GeoJSONWorkerSource},this.workerSources={},this.self.registerWorkerSource=function(e,o){if(r.workerSourceTypes[e])throw new Error('Worker source with name "'+e+'" already registered.');r.workerSourceTypes[e]=o}};Worker.prototype.setLayers=function(e,r){this.getLayerIndex(e).replace(r)},Worker.prototype.updateLayers=function(e,r){this.getLayerIndex(e).update(r.layers,r.removedIds,r.symbolOrder)},Worker.prototype.loadTile=function(e,r,o){this.getWorkerSource(e,r.type).loadTile(r,o)},Worker.prototype.reloadTile=function(e,r,o){this.getWorkerSource(e,r.type).reloadTile(r,o)},Worker.prototype.abortTile=function(e,r){this.getWorkerSource(e,r.type).abortTile(r)},Worker.prototype.removeTile=function(e,r){this.getWorkerSource(e,r.type).removeTile(r)},Worker.prototype.redoPlacement=function(e,r,o){this.getWorkerSource(e,r.type).redoPlacement(r,o)},Worker.prototype.loadWorkerSource=function(e,r,o){try{this.self.importScripts(r.url),o()}catch(e){o(e)}},Worker.prototype.getLayerIndex=function(e){var r=this.layerIndexes[e];return r||(r=this.layerIndexes[e]=new StyleLayerIndex),r},Worker.prototype.getWorkerSource=function(e,r){var o=this;if(this.workerSources[e]||(this.workerSources[e]={}),!this.workerSources[e][r]){var t={send:function(r,t,i,s){o.actor.send(r,t,i,s,e)}};this.workerSources[e][r]=new this.workerSourceTypes[r](t,this.getLayerIndex(e))}return this.workerSources[e][r]},module.exports=function(e){return new Worker(e)};
+},{"../style/style_layer_index":68,"../util/actor":105,"./geojson_worker_source":40,"./vector_tile_worker_source":52}],55:[function(require,module,exports){
+"use strict";function serializeBuckets(e,r){return e.filter(function(e){return!e.isEmpty()}).map(function(e){return e.serialize(r)})}var FeatureIndex=require("../data/feature_index"),CollisionTile=require("../symbol/collision_tile"),CollisionBoxArray=require("../symbol/collision_box"),DictionaryCoder=require("../util/dictionary_coder"),util=require("../util/util"),SymbolInstancesArray=require("../symbol/symbol_instances"),SymbolQuadsArray=require("../symbol/symbol_quads"),WorkerTile=function(e){this.coord=e.coord,this.uid=e.uid,this.zoom=e.zoom,this.tileSize=e.tileSize,this.source=e.source,this.overscaling=e.overscaling,this.angle=e.angle,this.pitch=e.pitch,this.showCollisionBoxes=e.showCollisionBoxes};WorkerTile.prototype.parse=function(e,r,o,s){var i=this;e.layers||(e={layers:{_geojsonTileLayer:e}}),this.status="parsing",this.data=e,this.collisionBoxArray=new CollisionBoxArray,this.symbolInstancesArray=new SymbolInstancesArray,this.symbolQuadsArray=new SymbolQuadsArray;var l=new CollisionTile(this.angle,this.pitch,this.collisionBoxArray),t=new DictionaryCoder(Object.keys(e.layers).sort()),a=new FeatureIndex(this.coord,this.overscaling,l,e.layers);a.bucketLayerIDs={};var n={},c=0,u={featureIndex:a,iconDependencies:{},glyphDependencies:{}},y=r.familiesBySource[this.source];for(var m in y){var h=e.layers[m];if(h){1===h.version&&util.warnOnce('Vector tile source "'+i.source+'" layer "'+m+'" does not use vector tile spec v2 and therefore may have some rendering errors.');for(var d=t.encode(m),b=[],f=0;f<h.length;f++){var v=h.feature(f);v.index=f,v.sourceLayerIndex=d,b.push(v)}for(var p=0,g=y[m];p<g.length;p+=1){var A=g[p],z=A[0];if(!(z.minzoom&&i.zoom<z.minzoom||z.maxzoom&&i.zoom>=z.maxzoom||z.layout&&"none"===z.layout.visibility)){for(var x=0,k=A;x<k.length;x+=1){var B=k[x];B.recalculate(i.zoom)}var I=n[z.id]=z.createBucket({index:c,layers:A,zoom:i.zoom,overscaling:i.overscaling,collisionBoxArray:i.collisionBoxArray,symbolQuadsArray:i.symbolQuadsArray,symbolInstancesArray:i.symbolInstancesArray});I.populate(b,u),a.bucketLayerIDs[c]=A.map(function(e){return e.id}),c++}}}}var w=function(){i.status="done",i.redoPlacementAfterDone&&(i.redoPlacement(i.angle,i.pitch,null),i.redoPlacementAfterDone=!1);var e=[];s(null,{buckets:serializeBuckets(util.values(n),e),featureIndex:a.serialize(e),collisionTile:l.serialize(e),collisionBoxArray:i.collisionBoxArray.serialize(),symbolInstancesArray:i.symbolInstancesArray.serialize(),symbolQuadsArray:i.symbolQuadsArray.serialize()},e)};this.symbolBuckets=[];for(var D=r.symbolOrder.length-1;D>=0;D--){var C=n[r.symbolOrder[D]];C&&i.symbolBuckets.push(C)}if(0===this.symbolBuckets.length)return w();var T=0,q=Object.keys(u.iconDependencies),O=util.mapObject(u.glyphDependencies,function(e){return Object.keys(e).map(Number)}),Q=function(e){if(e)return s(e);if(T++,2===T){for(var r=0,o=i.symbolBuckets;r<o.length;r+=1){for(var t=o[r],a=0,n=t.layers;a<n.length;a+=1){var c=n[a];c.recalculate(i.zoom)}t.prepare(O,q),t.place(l,i.showCollisionBoxes)}w()}};Object.keys(O).length?o.send("getGlyphs",{uid:this.uid,stacks:O},function(e,r){O=r,Q(e)}):Q(),q.length?o.send("getIcons",{icons:q},function(e,r){q=r,Q(e)}):Q()},WorkerTile.prototype.redoPlacement=function(e,r,o){var s=this;if("done"!==this.status)return this.redoPlacementAfterDone=!0,this.angle=e,{};for(var i=new CollisionTile(e,r,this.collisionBoxArray),l=0,t=this.symbolBuckets;l<t.length;l+=1){for(var a=t[l],n=0,c=a.layers;n<c.length;n+=1){var u=c[n];u.recalculate(s.zoom)}a.place(i,o)}var y=[];return{result:{buckets:serializeBuckets(this.symbolBuckets,y),collisionTile:i.serialize(y)},transferables:y}},module.exports=WorkerTile;
+},{"../data/feature_index":12,"../symbol/collision_box":75,"../symbol/collision_tile":77,"../symbol/symbol_instances":86,"../symbol/symbol_quads":87,"../util/dictionary_coder":112,"../util/util":126}],56:[function(require,module,exports){
+"use strict";var AnimationLoop=function(){this.n=0,this.times=[]};AnimationLoop.prototype.stopped=function(){return this.times=this.times.filter(function(t){return t.time>=(new Date).getTime()}),!this.times.length},AnimationLoop.prototype.set=function(t){return this.times.push({id:this.n,time:t+(new Date).getTime()}),this.n++},AnimationLoop.prototype.cancel=function(t){this.times=this.times.filter(function(i){return i.id!==t})},module.exports=AnimationLoop;
+},{}],57:[function(require,module,exports){
+"use strict";var Evented=require("../util/evented"),ajax=require("../util/ajax"),browser=require("../util/browser"),normalizeURL=require("../util/mapbox").normalizeSpriteURL,SpritePosition=function(){this.x=0,this.y=0,this.width=0,this.height=0,this.pixelRatio=1,this.sdf=!1},ImageSprite=function(t){function i(i){var e=this;t.call(this),this.base=i,this.retina=browser.devicePixelRatio>1;var a=this.retina?"@2x":"";ajax.getJSON(normalizeURL(i,a,".json"),function(t,i){return t?void e.fire("error",{error:t}):(e.data=i,void(e.imgData&&e.fire("data",{dataType:"style"})))}),ajax.getImage(normalizeURL(i,a,".png"),function(t,i){if(t)return void e.fire("error",{error:t});e.imgData=browser.getImageData(i);for(var a=0;a<e.imgData.length;a+=4){var r=e.imgData[a+3]/255;e.imgData[a+0]*=r,e.imgData[a+1]*=r,e.imgData[a+2]*=r}e.width=i.width,e.data&&e.fire("data",{dataType:"style"})})}return t&&(i.__proto__=t),i.prototype=Object.create(t&&t.prototype),i.prototype.constructor=i,i.prototype.toJSON=function(){return this.base},i.prototype.loaded=function(){return!(!this.data||!this.imgData)},i.prototype.resize=function(){var t=this;if(browser.devicePixelRatio>1!==this.retina){var e=new i(this.base);e.on("data",function(){t.data=e.data,t.imgData=e.imgData,t.width=e.width,t.retina=e.retina})}},i.prototype.getSpritePosition=function(t){if(!this.loaded())return new SpritePosition;var i=this.data&&this.data[t];return i&&this.imgData?i:new SpritePosition},i}(Evented);module.exports=ImageSprite;
+},{"../util/ajax":106,"../util/browser":107,"../util/evented":115,"../util/mapbox":122}],58:[function(require,module,exports){
+"use strict";var styleSpec=require("./style_spec"),util=require("../util/util"),Evented=require("../util/evented"),validateStyle=require("./validate_style"),StyleDeclaration=require("./style_declaration"),StyleTransition=require("./style_transition"),TRANSITION_SUFFIX="-transition",Light=function(t){function i(i){t.call(this),this.properties=["anchor","color","position","intensity"],this._specifications=styleSpec.light,this.set(i)}return t&&(i.__proto__=t),i.prototype=Object.create(t&&t.prototype),i.prototype.constructor=i,i.prototype.set=function(t){var i=this;if(!this._validate(validateStyle.light,t)){this._declarations={},this._transitions={},this._transitionOptions={},this.calculated={},t=util.extend({anchor:this._specifications.anchor.default,color:this._specifications.color.default,position:this._specifications.position.default,intensity:this._specifications.intensity.default},t);for(var e=0,o=this.properties;e<o.length;e+=1){var n=o[e];i._declarations[n]=new StyleDeclaration(i._specifications[n],t[n])}return this}},i.prototype.getLight=function(){return{anchor:this.getLightProperty("anchor"),color:this.getLightProperty("color"),position:this.getLightProperty("position"),intensity:this.getLightProperty("intensity")}},i.prototype.getLightProperty=function(t){return util.endsWith(t,TRANSITION_SUFFIX)?this._transitionOptions[t]:this._declarations[t]&&this._declarations[t].value},i.prototype.getLightValue=function(t,i){if("position"===t){var e=this._transitions[t].calculate(i),o=util.sphericalToCartesian(e);return{x:o[0],y:o[1],z:o[2]}}return this._transitions[t].calculate(i)},i.prototype.setLight=function(t){var i=this;if(!this._validate(validateStyle.light,t))for(var e in t){var o=t[e];util.endsWith(e,TRANSITION_SUFFIX)?i._transitionOptions[e]=o:null===o||void 0===o?delete i._declarations[e]:i._declarations[e]=new StyleDeclaration(i._specifications[e],o)}},i.prototype.recalculate=function(t){var i=this;for(var e in this._declarations)i.calculated[e]=i.getLightValue(e,{zoom:t})},i.prototype._applyLightDeclaration=function(t,i,e,o,n){var r=e.transition?this._transitions[t]:void 0,a=this._specifications[t];if(null!==i&&void 0!==i||(i=new StyleDeclaration(a,a.default)),!r||r.declaration.json!==i.json){var s=util.extend({duration:300,delay:0},o,this.getLightProperty(t+TRANSITION_SUFFIX)),l=this._transitions[t]=new StyleTransition(a,i,r,s);l.instant()||(l.loopID=n.set(l.endTime-Date.now())),r&&n.cancel(r.loopID)}},i.prototype.updateLightTransitions=function(t,i,e){var o,n=this;for(o in this._declarations)n._applyLightDeclaration(o,n._declarations[o],t,i,e)},i.prototype._validate=function(t,i){return validateStyle.emitErrors(this,t.call(validateStyle,util.extend({value:i,style:{glyphs:!0,sprite:!0},styleSpec:styleSpec})))},i}(Evented);module.exports=Light;
+},{"../util/evented":115,"../util/util":126,"./style_declaration":61,"./style_spec":69,"./style_transition":70,"./validate_style":71}],59:[function(require,module,exports){
+"use strict";var parseColorString=require("csscolorparser").parseCSSColor,util=require("../util/util"),MapboxGLFunction=require("mapbox-gl-function"),cache={};module.exports=function r(o){if(o&&MapboxGLFunction.isFunctionDefinition(o))return o.stops?util.extend({},o,{stops:o.stops.map(function(o){return[o[0],r(o[1])]})}):o;if("string"==typeof o){if(!cache[o]){var i=parseColorString(o);if(!i)throw new Error("Invalid color "+o);cache[o]=[i[0]/255*i[3],i[1]/255*i[3],i[2]/255*i[3],i[3]]}return cache[o]}if(Array.isArray(o))return o;throw new Error("Invalid color "+o)};
+},{"../util/util":126,"csscolorparser":130,"mapbox-gl-function":161}],60:[function(require,module,exports){
+"use strict";var Evented=require("../util/evented"),StyleLayer=require("./style_layer"),ImageSprite=require("./image_sprite"),Light=require("./light"),GlyphSource=require("../symbol/glyph_source"),SpriteAtlas=require("../symbol/sprite_atlas"),LineAtlas=require("../render/line_atlas"),util=require("../util/util"),ajax=require("../util/ajax"),mapbox=require("../util/mapbox"),browser=require("../util/browser"),Dispatcher=require("../util/dispatcher"),AnimationLoop=require("./animation_loop"),validateStyle=require("./validate_style"),Source=require("../source/source"),QueryFeatures=require("../source/query_features"),SourceCache=require("../source/source_cache"),styleSpec=require("./style_spec"),MapboxGLFunction=require("mapbox-gl-function"),getWorkerPool=require("../global_worker_pool"),deref=require("mapbox-gl-style-spec/lib/deref"),Style=function(e){function t(t,r,i){var s=this;e.call(this),this.map=r,this.animationLoop=r&&r.animationLoop||new AnimationLoop,this.dispatcher=new Dispatcher(getWorkerPool(),this),this.spriteAtlas=new SpriteAtlas(1024,1024),this.lineAtlas=new LineAtlas(256,512),this._layers={},this._order=[],this.sourceCaches={},this.zoomHistory={},this._loaded=!1,util.bindAll(["_redoPlacement"],this),this._resetUpdates(),i=util.extend({validate:"string"!=typeof t||!mapbox.isMapboxURL(t)},i),this.setEventedParent(r),this.fire("dataloading",{dataType:"style"});var o=function(e,t){if(e)return void s.fire("error",{error:e});if(!i.validate||!validateStyle.emitErrors(s,validateStyle(t))){s._loaded=!0,s.stylesheet=t,s.updateClasses();for(var r in t.sources)s.addSource(r,t.sources[r],i);t.sprite&&(s.sprite=new ImageSprite(t.sprite),s.sprite.setEventedParent(s)),s.glyphSource=new GlyphSource(t.glyphs),s._resolve(),s.fire("data",{dataType:"style"}),s.fire("style.load")}};"string"==typeof t?ajax.getJSON(mapbox.normalizeStyleURL(t),o):browser.frame(o.bind(this,null,t)),this.on("source.load",function(e){var t=e.source;if(t&&t.vectorLayerIds)for(var r in s._layers){var i=s._layers[r];i.source===t.id&&s._validateLayer(i)}})}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype._validateLayer=function(e){var t=this.sourceCaches[e.source];if(e.sourceLayer&&t){var r=t.getSource();r.vectorLayerIds&&r.vectorLayerIds.indexOf(e.sourceLayer)===-1&&this.fire("error",{error:new Error('Source layer "'+e.sourceLayer+'" does not exist on source "'+r.id+'" as specified by style layer "'+e.id+'"')})}},t.prototype.loaded=function(){var e=this;if(!this._loaded)return!1;if(Object.keys(this._updatedSources).length)return!1;for(var t in this.sourceCaches)if(!e.sourceCaches[t].loaded())return!1;return!(this.sprite&&!this.sprite.loaded())},t.prototype._resolve=function(){var e=this,t=deref(this.stylesheet.layers);this._order=t.map(function(e){return e.id}),this._layers={};for(var r=0,i=t;r<i.length;r+=1){var s=i[r];s=StyleLayer.create(s),s.setEventedParent(e,{layer:{id:s.id}}),e._layers[s.id]=s}this.dispatcher.broadcast("setLayers",this._serializeLayers(this._order)),this.light=new Light(this.stylesheet.light)},t.prototype._serializeLayers=function(e){var t=this;return e.map(function(e){return t._layers[e].serialize()})},t.prototype._applyClasses=function(e,t){var r=this;if(this._loaded){e=e||[],t=t||{transition:!0};var i=this.stylesheet.transition||{},s=this._updatedAllPaintProps?this._layers:this._updatedPaintProps;for(var o in s){var a=r._layers[o],n=r._updatedPaintProps[o];if(r._updatedAllPaintProps||n.all)a.updatePaintTransitions(e,t,i,r.animationLoop,r.zoomHistory);else for(var l in n)r._layers[o].updatePaintTransition(l,e,t,i,r.animationLoop,r.zoomHistory)}this.light.updateLightTransitions(t,i,this.animationLoop)}},t.prototype._recalculate=function(e){var t=this;if(this._loaded){for(var r in this.sourceCaches)t.sourceCaches[r].used=!1;this._updateZoomHistory(e);for(var i=0,s=this._order;i<s.length;i+=1){var o=s[i],a=t._layers[o];a.recalculate(e),!a.isHidden(e)&&a.source&&(t.sourceCaches[a.source].used=!0)}this.light.recalculate(e);var n=300;Math.floor(this.z)!==Math.floor(e)&&this.animationLoop.set(n),this.z=e}},t.prototype._updateZoomHistory=function(e){var t=this.zoomHistory;void 0===t.lastIntegerZoom&&(t.lastIntegerZoom=Math.floor(e),t.lastIntegerZoomTime=0,t.lastZoom=e),Math.floor(t.lastZoom)<Math.floor(e)?(t.lastIntegerZoom=Math.floor(e),t.lastIntegerZoomTime=Date.now()):Math.floor(t.lastZoom)>Math.floor(e)&&(t.lastIntegerZoom=Math.floor(e+1),t.lastIntegerZoomTime=Date.now()),t.lastZoom=e},t.prototype._checkLoaded=function(){if(!this._loaded)throw new Error("Style is not done loading")},t.prototype.update=function(e,t){var r=this;if(this._changed){var i=Object.keys(this._updatedLayers),s=Object.keys(this._removedLayers);(i.length||s.length||this._updatedSymbolOrder)&&this._updateWorkerLayers(i,s);for(var o in this._updatedSources)r._reloadSource(o);this._applyClasses(e,t),this._resetUpdates(),this.fire("data",{dataType:"style"})}},t.prototype._updateWorkerLayers=function(e,t){var r=this,i=this._updatedSymbolOrder?this._order.filter(function(e){return"symbol"===r._layers[e].type}):null;this.dispatcher.broadcast("updateLayers",{layers:this._serializeLayers(e),removedIds:t,symbolOrder:i})},t.prototype._resetUpdates=function(){this._changed=!1,this._updatedLayers={},this._removedLayers={},this._updatedSymbolOrder=!1,this._updatedSources={},this._updatedPaintProps={},this._updatedAllPaintProps=!1},t.prototype.addSource=function(e,t,r){if(this._checkLoaded(),void 0!==this.sourceCaches[e])throw new Error("There is already a source with this ID");if(!t.type)throw new Error("The type property must be defined, but the only the following properties were given: "+Object.keys(t)+".");var i=["vector","raster","geojson","video","image"],s=i.indexOf(t.type)>=0;if(!s||!this._validate(validateStyle.source,"sources."+e,t,null,r)){var o=this.sourceCaches[e]=new SourceCache(e,t,this.dispatcher);o.style=this,o.setEventedParent(this,{source:o.getSource()}),o.onAdd&&o.onAdd(this.map),this._changed=!0}},t.prototype.removeSource=function(e){if(this._checkLoaded(),void 0===this.sourceCaches[e])throw new Error("There is no source with this ID");var t=this.sourceCaches[e];delete this.sourceCaches[e],delete this._updatedSources[e],t.setEventedParent(null),t.clearTiles(),t.onRemove&&t.onRemove(this.map),this._changed=!0},t.prototype.getSource=function(e){return this.sourceCaches[e]&&this.sourceCaches[e].getSource()},t.prototype.addLayer=function(e,t,r){this._checkLoaded();var i=e.id;if(!this._validate(validateStyle.layer,"layers."+i,e,{arrayIndex:-1},r)){var s=StyleLayer.create(e);this._validateLayer(s),s.setEventedParent(this,{layer:{id:i}});var o=t?this._order.indexOf(t):this._order.length;this._order.splice(o,0,i),this._layers[i]=s,delete this._removedLayers[i],this._updateLayer(s),"symbol"===s.type&&(this._updatedSymbolOrder=!0),this.updateClasses(i)}},t.prototype.moveLayer=function(e,t){this._checkLoaded(),this._changed=!0;var r=this._layers[e];if(!r)throw new Error("Layer not found: "+e);var i=this._order.indexOf(e);this._order.splice(i,1);var s=t?this._order.indexOf(t):this._order.length;this._order.splice(s,0,e),"symbol"===r.type&&(this._updatedSymbolOrder=!0,r.source&&(this._updatedSources[r.source]=!0))},t.prototype.removeLayer=function(e){this._checkLoaded();var t=this._layers[e];if(!t)throw new Error("Layer not found: "+e);t.setEventedParent(null);var r=this._order.indexOf(e);this._order.splice(r,1),"symbol"===t.type&&(this._updatedSymbolOrder=!0),this._changed=!0,this._removedLayers[e]=!0,delete this._layers[e],delete this._updatedLayers[e],delete this._updatedPaintProps[e]},t.prototype.getLayer=function(e){return this._layers[e]},t.prototype.setLayerZoomRange=function(e,t,r){this._checkLoaded();var i=this.getLayer(e);i.minzoom===t&&i.maxzoom===r||(null!=t&&(i.minzoom=t),null!=r&&(i.maxzoom=r),this._updateLayer(i))},t.prototype.setFilter=function(e,t){this._checkLoaded();var r=this.getLayer(e);null!==t&&this._validate(validateStyle.filter,"layers."+r.id+".filter",t)||util.deepEqual(r.filter,t)||(r.filter=util.clone(t),this._updateLayer(r))},t.prototype.getFilter=function(e){return util.clone(this.getLayer(e).filter)},t.prototype.setLayoutProperty=function(e,t,r){this._checkLoaded();var i=this.getLayer(e);util.deepEqual(i.getLayoutProperty(t),r)||(i.setLayoutProperty(t,r),this._updateLayer(i))},t.prototype.getLayoutProperty=function(e,t){return this.getLayer(e).getLayoutProperty(t)},t.prototype.setPaintProperty=function(e,t,r,i){this._checkLoaded();var s=this.getLayer(e);if(!util.deepEqual(s.getPaintProperty(t,i),r)){var o=s.isPaintValueFeatureConstant(t);s.setPaintProperty(t,r,i);var a=!(r&&MapboxGLFunction.isFunctionDefinition(r)&&"$zoom"!==r.property&&void 0!==r.property);a&&o||this._updateLayer(s),this.updateClasses(e,t)}},t.prototype.getPaintProperty=function(e,t,r){return this.getLayer(e).getPaintProperty(t,r)},t.prototype.getTransition=function(){return util.extend({duration:300,delay:0},this.stylesheet&&this.stylesheet.transition)},t.prototype.updateClasses=function(e,t){if(this._changed=!0,e){var r=this._updatedPaintProps;r[e]||(r[e]={}),r[e][t||"all"]=!0}else this._updatedAllPaintProps=!0},t.prototype.serialize=function(){var e=this;return util.filterObject({version:this.stylesheet.version,name:this.stylesheet.name,metadata:this.stylesheet.metadata,light:this.stylesheet.light,center:this.stylesheet.center,zoom:this.stylesheet.zoom,bearing:this.stylesheet.bearing,pitch:this.stylesheet.pitch,sprite:this.stylesheet.sprite,glyphs:this.stylesheet.glyphs,transition:this.stylesheet.transition,sources:util.mapObject(this.sourceCaches,function(e){return e.serialize()}),layers:this._order.map(function(t){return e._layers[t].serialize()})},function(e){return void 0!==e})},t.prototype._updateLayer=function(e){this._updatedLayers[e.id]=!0,e.source&&(this._updatedSources[e.source]=!0),this._changed=!0},t.prototype._flattenRenderedFeatures=function(e){for(var t=this,r=[],i=this._order.length-1;i>=0;i--)for(var s=t._order[i],o=0,a=e;o<a.length;o+=1){var n=a[o],l=n[s];if(l)for(var h=0,u=l;h<u.length;h+=1){var d=u[h];r.push(d)}}return r},t.prototype.queryRenderedFeatures=function(e,t,r,i){var s=this;t&&t.filter&&this._validate(validateStyle.filter,"queryRenderedFeatures.filter",t.filter);var o={};if(t&&t.layers)for(var a=0,n=t.layers;a<n.length;a+=1){var l=n[a],h=s._layers[l];if(!h)return void s.fire("error",{error:"The layer '"+l+"' does not exist in the map's style and cannot be queried for features."});o[h.source]=!0}var u=[];for(var d in this.sourceCaches)if(!t.layers||o[d]){var p=QueryFeatures.rendered(s.sourceCaches[d],s._layers,e,t,r,i);u.push(p)}return this._flattenRenderedFeatures(u)},t.prototype.querySourceFeatures=function(e,t){t&&t.filter&&this._validate(validateStyle.filter,"querySourceFeatures.filter",t.filter);var r=this.sourceCaches[e];return r?QueryFeatures.source(r,t):[]},t.prototype.addSourceType=function(e,t,r){return Source.getType(e)?r(new Error('A source type called "'+e+'" already exists.')):(Source.setType(e,t),t.workerSourceURL?void this.dispatcher.broadcast("loadWorkerSource",{name:e,url:t.workerSourceURL},r):r(null,null))},t.prototype.getLight=function(){return this.light.getLight()},t.prototype.setLight=function(e,t){this._checkLoaded();var r=this.light.getLight(),i=!1;for(var s in e)if(!util.deepEqual(e[s],r[s])){i=!0;break}if(i){var o=this.stylesheet.transition||{};this.light.setLight(e),this.light.updateLightTransitions(t||{transition:!0},o,this.animationLoop)}},t.prototype._validate=function(e,t,r,i,s){return(!s||s.validate!==!1)&&validateStyle.emitErrors(this,e.call(validateStyle,util.extend({key:t,style:this.serialize(),value:r,styleSpec:styleSpec},i)))},t.prototype._remove=function(){var e=this;for(var t in this.sourceCaches)e.sourceCaches[t].clearTiles();this.dispatcher.remove()},t.prototype._reloadSource=function(e){this.sourceCaches[e].reload()},t.prototype._updateSources=function(e){var t=this;for(var r in this.sourceCaches)t.sourceCaches[r].update(e)},t.prototype._redoPlacement=function(){var e=this;for(var t in this.sourceCaches)e.sourceCaches[t].redoPlacement()},t.prototype.getIcons=function(e,t,r){var i=this,s=function(){i.spriteAtlas.setSprite(i.sprite),i.spriteAtlas.addIcons(t.icons,r)};this.sprite.loaded()?s():this.sprite.on("data",s)},t.prototype.getGlyphs=function(e,t,r){function i(e,t,i){e&&console.error(e),n[i]=t,a--,0===a&&r(null,n)}var s=this,o=t.stacks,a=Object.keys(o).length,n={};for(var l in o)s.glyphSource.getSimpleGlyphs(l,o[l],t.uid,i)},t}(Evented);module.exports=Style;
+},{"../global_worker_pool":22,"../render/line_atlas":35,"../source/query_features":45,"../source/source":47,"../source/source_cache":48,"../symbol/glyph_source":80,"../symbol/sprite_atlas":85,"../util/ajax":106,"../util/browser":107,"../util/dispatcher":113,"../util/evented":115,"../util/mapbox":122,"../util/util":126,"./animation_loop":56,"./image_sprite":57,"./light":58,"./style_layer":62,"./style_spec":69,"./validate_style":71,"mapbox-gl-function":161,"mapbox-gl-style-spec/lib/deref":163}],61:[function(require,module,exports){
+"use strict";var MapboxGLFunction=require("mapbox-gl-function"),parseColor=require("./parse_color"),util=require("../util/util"),StyleDeclaration=function(t,o){var i=this;this.value=util.clone(o),this.isFunction=MapboxGLFunction.isFunctionDefinition(o),this.json=JSON.stringify(this.value),this.minimum=t.minimum,this.isColor="color"===t.type;var n=this.isColor&&this.value?parseColor(this.value):o,s=t.default;if(s&&"color"===t.type&&(s=parseColor(s)),this.function=MapboxGLFunction[t.function||"piecewise-constant"](n,s),this.isFeatureConstant=this.function.isFeatureConstant,this.isZoomConstant=this.function.isZoomConstant,!this.isFeatureConstant&&!this.isZoomConstant){this.stopZoomLevels=[];for(var e=[],a=0,r=this.value.stops;a<r.length;a+=1){var l=r[a],u=l[0].zoom;i.stopZoomLevels.indexOf(u)<0&&(i.stopZoomLevels.push(u),e.push([u,e.length]))}this.functionInterpolationT=MapboxGLFunction.interpolated({stops:e,base:o.base,colorSpace:o.colorSpace})}};StyleDeclaration.prototype.calculate=function(t,o){var i=this.function(t&&t.zoom,o||{});return this.isColor&&i?parseColor(i):void 0!==this.minimum&&i<this.minimum?this.minimum:i},StyleDeclaration.prototype.calculateInterpolationT=function(t,o){return this.functionInterpolationT(t&&t.zoom,o||{})},module.exports=StyleDeclaration;
+},{"../util/util":126,"./parse_color":59,"mapbox-gl-function":161}],62:[function(require,module,exports){
+"use strict";function getDeclarationValue(t){return t.value}var util=require("../util/util"),StyleTransition=require("./style_transition"),StyleDeclaration=require("./style_declaration"),styleSpec=require("./style_spec"),validateStyle=require("./validate_style"),parseColor=require("./parse_color"),Evented=require("../util/evented"),TRANSITION_SUFFIX="-transition",StyleLayer=function(t){function i(i){var a=this;t.call(this),this.id=i.id,this.metadata=i.metadata,this.type=i.type,this.source=i.source,this.sourceLayer=i["source-layer"],this.minzoom=i.minzoom,this.maxzoom=i.maxzoom,this.filter=i.filter,this.paint={},this.layout={},this._paintSpecifications=styleSpec["paint_"+this.type],this._layoutSpecifications=styleSpec["layout_"+this.type],this._paintTransitions={},this._paintTransitionOptions={},this._paintDeclarations={},this._layoutDeclarations={},this._layoutFunctions={};var e,n,o={validate:!1};for(var r in i){var s=r.match(/^paint(?:\.(.*))?$/);if(s){var l=s[1]||"";for(e in i[r])a.setPaintProperty(e,i[r][e],l,o)}}for(n in i.layout)a.setLayoutProperty(n,i.layout[n],o);for(e in this._paintSpecifications)a.paint[e]=a.getPaintValue(e);for(n in this._layoutSpecifications)a._updateLayoutValue(n)}return t&&(i.__proto__=t),i.prototype=Object.create(t&&t.prototype),i.prototype.constructor=i,i.prototype.setLayoutProperty=function(t,i,a){if(null==i)delete this._layoutDeclarations[t];else{var e="layers."+this.id+".layout."+t;if(this._validate(validateStyle.layoutProperty,e,t,i,a))return;this._layoutDeclarations[t]=new StyleDeclaration(this._layoutSpecifications[t],i)}this._updateLayoutValue(t)},i.prototype.getLayoutProperty=function(t){return this._layoutDeclarations[t]&&this._layoutDeclarations[t].value},i.prototype.getLayoutValue=function(t,i,a){var e=this._layoutSpecifications[t],n=this._layoutDeclarations[t];return n?n.calculate(i,a):e.default},i.prototype.setPaintProperty=function(t,i,a,e){var n="layers."+this.id+(a?'["paint.'+a+'"].':".paint.")+t;if(util.endsWith(t,TRANSITION_SUFFIX))if(this._paintTransitionOptions[a||""]||(this._paintTransitionOptions[a||""]={}),null===i||void 0===i)delete this._paintTransitionOptions[a||""][t];else{if(this._validate(validateStyle.paintProperty,n,t,i,e))return;this._paintTransitionOptions[a||""][t]=i}else if(this._paintDeclarations[a||""]||(this._paintDeclarations[a||""]={}),null===i||void 0===i)delete this._paintDeclarations[a||""][t];else{if(this._validate(validateStyle.paintProperty,n,t,i,e))return;this._paintDeclarations[a||""][t]=new StyleDeclaration(this._paintSpecifications[t],i)}},i.prototype.getPaintProperty=function(t,i){return i=i||"",util.endsWith(t,TRANSITION_SUFFIX)?this._paintTransitionOptions[i]&&this._paintTransitionOptions[i][t]:this._paintDeclarations[i]&&this._paintDeclarations[i][t]&&this._paintDeclarations[i][t].value},i.prototype.getPaintValue=function(t,i,a){var e=this._paintSpecifications[t],n=this._paintTransitions[t];return n?n.calculate(i,a):"color"===e.type&&e.default?parseColor(e.default):e.default},i.prototype.getPaintValueStopZoomLevels=function(t){var i=this._paintTransitions[t];return i?i.declaration.stopZoomLevels:[]},i.prototype.getPaintInterpolationT=function(t,i){var a=this._paintTransitions[t];return a.declaration.calculateInterpolationT(i)},i.prototype.isPaintValueFeatureConstant=function(t){var i=this._paintTransitions[t];return!i||i.declaration.isFeatureConstant},i.prototype.isLayoutValueFeatureConstant=function(t){var i=this._layoutDeclarations[t];return!i||i.isFeatureConstant},i.prototype.isPaintValueZoomConstant=function(t){var i=this._paintTransitions[t];return!i||i.declaration.isZoomConstant},i.prototype.isHidden=function(t){return!!(this.minzoom&&t<this.minzoom)||(!!(this.maxzoom&&t>=this.maxzoom)||"none"===this.layout.visibility)},i.prototype.updatePaintTransitions=function(t,i,a,e,n){for(var o=this,r=util.extend({},this._paintDeclarations[""]),s=0;s<t.length;s++)util.extend(r,o._paintDeclarations[t[s]]);var l;for(l in r)o._applyPaintDeclaration(l,r[l],i,a,e,n);for(l in this._paintTransitions)l in r||o._applyPaintDeclaration(l,null,i,a,e,n)},i.prototype.updatePaintTransition=function(t,i,a,e,n,o){for(var r=this,s=this._paintDeclarations[""][t],l=0;l<i.length;l++){var u=r._paintDeclarations[i[l]];u&&u[t]&&(s=u[t])}this._applyPaintDeclaration(t,s,a,e,n,o)},i.prototype.recalculate=function(t){var i=this;for(var a in this._paintTransitions)i.paint[a]=i.getPaintValue(a,{zoom:t});for(var e in this._layoutFunctions)i.layout[e]=i.getLayoutValue(e,{zoom:t})},i.prototype.serialize=function(){var t=this,i={id:this.id,type:this.type,source:this.source,"source-layer":this.sourceLayer,metadata:this.metadata,minzoom:this.minzoom,maxzoom:this.maxzoom,filter:this.filter,layout:util.mapObject(this._layoutDeclarations,getDeclarationValue)};for(var a in this._paintDeclarations){var e=""===a?"paint":"paint."+a;i[e]=util.mapObject(t._paintDeclarations[a],getDeclarationValue)}return util.filterObject(i,function(t,i){return void 0!==t&&!("layout"===i&&!Object.keys(t).length)})},i.prototype._applyPaintDeclaration=function(t,i,a,e,n,o){var r=a.transition?this._paintTransitions[t]:void 0,s=this._paintSpecifications[t];if(null!==i&&void 0!==i||(i=new StyleDeclaration(s,s.default)),!r||r.declaration.json!==i.json){var l=util.extend({duration:300,delay:0},e,this.getPaintProperty(t+TRANSITION_SUFFIX)),u=this._paintTransitions[t]=new StyleTransition(s,i,r,l,o);u.instant()||(u.loopID=n.set(u.endTime-Date.now())),r&&n.cancel(r.loopID)}},i.prototype._updateLayoutValue=function(t){var i=this._layoutDeclarations[t];i&&i.isFunction?this._layoutFunctions[t]=!0:(delete this._layoutFunctions[t],this.layout[t]=this.getLayoutValue(t))},i.prototype._validate=function(t,i,a,e,n){return(!n||n.validate!==!1)&&validateStyle.emitErrors(this,t.call(validateStyle,{key:i,layerType:this.type,objectKey:a,value:e,styleSpec:styleSpec,style:{glyphs:!0,sprite:!0}}))},i}(Evented);module.exports=StyleLayer;var subclasses={circle:require("./style_layer/circle_style_layer"),fill:require("./style_layer/fill_style_layer"),"fill-extrusion":require("./style_layer/fill_extrusion_style_layer"),line:require("./style_layer/line_style_layer"),symbol:require("./style_layer/symbol_style_layer")};StyleLayer.create=function(t){var i=subclasses[t.type]||StyleLayer;return new i(t)};
+},{"../util/evented":115,"../util/util":126,"./parse_color":59,"./style_declaration":61,"./style_layer/circle_style_layer":63,"./style_layer/fill_extrusion_style_layer":64,"./style_layer/fill_style_layer":65,"./style_layer/line_style_layer":66,"./style_layer/symbol_style_layer":67,"./style_spec":69,"./style_transition":70,"./validate_style":71}],63:[function(require,module,exports){
+"use strict";var StyleLayer=require("../style_layer"),CircleBucket=require("../../data/bucket/circle_bucket"),CircleStyleLayer=function(e){function t(){e.apply(this,arguments)}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype.createBucket=function(e){return new CircleBucket(e)},t}(StyleLayer);module.exports=CircleStyleLayer;
+},{"../../data/bucket/circle_bucket":3,"../style_layer":62}],64:[function(require,module,exports){
+"use strict";var StyleLayer=require("../style_layer"),FillExtrusionBucket=require("../../data/bucket/fill_extrusion_bucket"),FillExtrusionStyleLayer=function(t){function e(){t.apply(this,arguments)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.getPaintValue=function(e,r,o){var l=t.prototype.getPaintValue.call(this,e,r,o);return"fill-extrusion-color"===e&&l&&(l[3]=1),l},e.prototype.createBucket=function(t){return new FillExtrusionBucket(t)},e}(StyleLayer);module.exports=FillExtrusionStyleLayer;
+},{"../../data/bucket/fill_extrusion_bucket":5,"../style_layer":62}],65:[function(require,module,exports){
+"use strict";var StyleLayer=require("../style_layer"),FillBucket=require("../../data/bucket/fill_bucket"),FillStyleLayer=function(t){function o(){t.apply(this,arguments)}return t&&(o.__proto__=t),o.prototype=Object.create(t&&t.prototype),o.prototype.constructor=o,o.prototype.getPaintValue=function(o,l,e){return"fill-outline-color"===o&&void 0===this.getPaintProperty("fill-outline-color")?t.prototype.getPaintValue.call(this,"fill-color",l,e):t.prototype.getPaintValue.call(this,o,l,e)},o.prototype.getPaintValueStopZoomLevels=function(o){return"fill-outline-color"===o&&void 0===this.getPaintProperty("fill-outline-color")?t.prototype.getPaintValueStopZoomLevels.call(this,"fill-color"):t.prototype.getPaintValueStopZoomLevels.call(this,o)},o.prototype.getPaintInterpolationT=function(o,l){return"fill-outline-color"===o&&void 0===this.getPaintProperty("fill-outline-color")?t.prototype.getPaintInterpolationT.call(this,"fill-color",l):t.prototype.getPaintInterpolationT.call(this,o,l)},o.prototype.isPaintValueFeatureConstant=function(o){return"fill-outline-color"===o&&void 0===this.getPaintProperty("fill-outline-color")?t.prototype.isPaintValueFeatureConstant.call(this,"fill-color"):t.prototype.isPaintValueFeatureConstant.call(this,o)},o.prototype.isPaintValueZoomConstant=function(o){return"fill-outline-color"===o&&void 0===this.getPaintProperty("fill-outline-color")?t.prototype.isPaintValueZoomConstant.call(this,"fill-color"):t.prototype.isPaintValueZoomConstant.call(this,o)},o.prototype.createBucket=function(t){return new FillBucket(t)},o}(StyleLayer);module.exports=FillStyleLayer;
+},{"../../data/bucket/fill_bucket":4,"../style_layer":62}],66:[function(require,module,exports){
+"use strict";var StyleLayer=require("../style_layer"),LineBucket=require("../../data/bucket/line_bucket"),util=require("../../util/util"),LineStyleLayer=function(e){function t(){e.apply(this,arguments)}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype.getPaintValue=function(t,r,o){var i=e.prototype.getPaintValue.call(this,t,r,o);if(i&&"line-dasharray"===t){var a=this.getPaintValue("line-width",util.extend({},r,{zoom:Math.floor(r.zoom)}),o);i.fromScale*=a,i.toScale*=a}return i},t.prototype.createBucket=function(e){return new LineBucket(e)},t}(StyleLayer);module.exports=LineStyleLayer;
+},{"../../data/bucket/line_bucket":6,"../../util/util":126,"../style_layer":62}],67:[function(require,module,exports){
+"use strict";var StyleLayer=require("../style_layer"),SymbolBucket=require("../../data/bucket/symbol_bucket"),SymbolStyleLayer=function(t){function e(){t.apply(this,arguments)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.getLayoutValue=function(e,o,r){var a=t.prototype.getLayoutValue.call(this,e,o,r);if("auto"!==a)return a;switch(e){case"text-rotation-alignment":case"icon-rotation-alignment":return"line"===this.getLayoutValue("symbol-placement",o,r)?"map":"viewport";case"text-pitch-alignment":return this.getLayoutValue("text-rotation-alignment",o,r);default:return a}},e.prototype.createBucket=function(t){return new SymbolBucket(t)},e}(StyleLayer);module.exports=SymbolStyleLayer;
+},{"../../data/bucket/symbol_bucket":7,"../style_layer":62}],68:[function(require,module,exports){
+"use strict";var StyleLayer=require("./style_layer"),util=require("../util/util"),featureFilter=require("feature-filter"),groupByLayout=require("mapbox-gl-style-spec/lib/group_by_layout"),StyleLayerIndex=function(e){e&&this.replace(e)};StyleLayerIndex.prototype.replace=function(e){var r=this;this.symbolOrder=[];for(var t=0,a=e;t<a.length;t+=1){var i=a[t];"symbol"===i.type&&r.symbolOrder.push(i.id)}this._layers={},this.update(e,[])},StyleLayerIndex.prototype.update=function(e,r,t){for(var a=this,i=0,l=e;i<l.length;i+=1){var y=l[i];a._layers[y.id]=y}for(var o=0,u=r;o<u.length;o+=1){var s=u[o];delete a._layers[s]}t&&(this.symbolOrder=t),this.familiesBySource={};for(var n=groupByLayout(util.values(this._layers)),p=0,f=n;p<f.length;p+=1){var h=f[p];h=h.map(function(e){return e=StyleLayer.create(e),e.updatePaintTransitions({},{transition:!1}),e.filter=featureFilter(e.filter),e});var v=h[0];if(!v.layout||"none"!==v.layout.visibility){var c=v.source||"",d=a.familiesBySource[c];d||(d=a.familiesBySource[c]={});var m=v.sourceLayer||"_geojsonTileLayer",L=d[m];L||(L=d[m]=[]),L.push(h)}}},module.exports=StyleLayerIndex;
+},{"../util/util":126,"./style_layer":62,"feature-filter":133,"mapbox-gl-style-spec/lib/group_by_layout":165}],69:[function(require,module,exports){
+"use strict";module.exports=require("mapbox-gl-style-spec/reference/latest.min");
+},{"mapbox-gl-style-spec/reference/latest.min":188}],70:[function(require,module,exports){
+"use strict";function interpZoomTransitioned(t,i,o){if(void 0!==t&&void 0!==i)return{from:t.to,fromScale:t.toScale,to:i.to,toScale:i.toScale,t:o}}var util=require("../util/util"),interpolate=require("../util/interpolate"),fakeZoomHistory={lastIntegerZoom:0,lastIntegerZoomTime:0,lastZoom:0},StyleTransition=function(t,i,o,e,a){this.declaration=i,this.startTime=this.endTime=(new Date).getTime(),this.oldTransition=o,this.duration=e.duration||0,this.delay=e.delay||0,this.zoomTransitioned="piecewise-constant"===t.function&&t.transition,this.interp=this.zoomTransitioned?interpZoomTransitioned:interpolate[t.type],this.zoomHistory=a||fakeZoomHistory,this.instant()||(this.endTime=this.startTime+this.duration+this.delay),o&&o.endTime<=this.startTime&&delete o.oldTransition};StyleTransition.prototype.instant=function(){return!this.oldTransition||!this.interp||0===this.duration&&0===this.delay},StyleTransition.prototype.calculate=function(t,i,o){var e=this._calculateTargetValue(t,i);if(this.instant())return e;if(o=o||Date.now(),o>=this.endTime)return e;var a=this.oldTransition.calculate(t,i,this.startTime),n=util.easeCubicInOut((o-this.startTime-this.delay)/this.duration);return this.interp(a,e,n)},StyleTransition.prototype._calculateTargetValue=function(t,i){if(!this.zoomTransitioned)return this.declaration.calculate(t,i);var o=t.zoom,e=this.zoomHistory.lastIntegerZoom,a=o>e?2:.5,n=this.declaration.calculate({zoom:o>e?o-1:o+1},i),r=this.declaration.calculate({zoom:o},i),s=Math.min((Date.now()-this.zoomHistory.lastIntegerZoomTime)/this.duration,1),l=Math.abs(o-e),u=interpolate(s,1,l);return void 0!==n&&void 0!==r?{from:n,fromScale:a,to:r,toScale:1,t:u}:void 0},module.exports=StyleTransition;
+},{"../util/interpolate":118,"../util/util":126}],71:[function(require,module,exports){
+"use strict";module.exports=require("mapbox-gl-style-spec/lib/validate_style.min"),module.exports.emitErrors=function(r,e){if(e&&e.length){for(var t=0;t<e.length;t++)r.fire("error",{error:new Error(e[t].message)});return!0}return!1};
+},{"mapbox-gl-style-spec/lib/validate_style.min":187}],72:[function(require,module,exports){
+"use strict";var Point=require("point-geometry"),Anchor=function(t){function o(o,e,n,r){t.call(this,o,e),this.angle=n,void 0!==r&&(this.segment=r)}return t&&(o.__proto__=t),o.prototype=Object.create(t&&t.prototype),o.prototype.constructor=o,o.prototype.clone=function(){return new o(this.x,this.y,this.angle,this.segment)},o}(Point);module.exports=Anchor;
+},{"point-geometry":194}],73:[function(require,module,exports){
+"use strict";function checkMaxAngle(e,t,a,r,n){if(void 0===t.segment)return!0;for(var i=t,s=t.segment+1,f=0;f>-a/2;){if(s--,s<0)return!1;f-=e[s].dist(i),i=e[s]}f+=e[s].dist(e[s+1]),s++;for(var l=[],o=0;f<a/2;){var u=e[s-1],c=e[s],g=e[s+1];if(!g)return!1;var h=u.angleTo(c)-c.angleTo(g);for(h=Math.abs((h+3*Math.PI)%(2*Math.PI)-Math.PI),l.push({distance:f,angleDelta:h}),o+=h;f-l[0].distance>r;)o-=l.shift().angleDelta;if(o>n)return!1;s++,f+=c.dist(g)}return!0}module.exports=checkMaxAngle;
+},{}],74:[function(require,module,exports){
 "use strict";function clipLine(n,x,y,o,e){for(var r=[],t=0;t<n.length;t++)for(var i,u=n[t],d=0;d<u.length-1;d++){var P=u[d],w=u[d+1];P.x<x&&w.x<x||(P.x<x?P=new Point(x,P.y+(w.y-P.y)*((x-P.x)/(w.x-P.x)))._round():w.x<x&&(w=new Point(x,P.y+(w.y-P.y)*((x-P.x)/(w.x-P.x)))._round()),P.y<y&&w.y<y||(P.y<y?P=new Point(P.x+(w.x-P.x)*((y-P.y)/(w.y-P.y)),y)._round():w.y<y&&(w=new Point(P.x+(w.x-P.x)*((y-P.y)/(w.y-P.y)),y)._round()),P.x>=o&&w.x>=o||(P.x>=o?P=new Point(o,P.y+(w.y-P.y)*((o-P.x)/(w.x-P.x)))._round():w.x>=o&&(w=new Point(o,P.y+(w.y-P.y)*((o-P.x)/(w.x-P.x)))._round()),P.y>=e&&w.y>=e||(P.y>=e?P=new Point(P.x+(w.x-P.x)*((e-P.y)/(w.y-P.y)),e)._round():w.y>=e&&(w=new Point(P.x+(w.x-P.x)*((e-P.y)/(w.y-P.y)),e)._round()),i&&P.equals(i[i.length-1])||(i=[P],r.push(i)),i.push(w)))))}return r}var Point=require("point-geometry");module.exports=clipLine;
-},{"point-geometry":176}],61:[function(require,module,exports){
-"use strict";var StructArrayType=require("../util/struct_array"),util=require("../util/util"),Point=require("point-geometry"),CollisionBoxArray=module.exports=new StructArrayType({members:[{type:"Int16",name:"anchorPointX"},{type:"Int16",name:"anchorPointY"},{type:"Int16",name:"x1"},{type:"Int16",name:"y1"},{type:"Int16",name:"x2"},{type:"Int16",name:"y2"},{type:"Float32",name:"maxScale"},{type:"Uint32",name:"featureIndex"},{type:"Uint16",name:"sourceLayerIndex"},{type:"Uint16",name:"bucketIndex"},{type:"Int16",name:"bbox0"},{type:"Int16",name:"bbox1"},{type:"Int16",name:"bbox2"},{type:"Int16",name:"bbox3"},{type:"Float32",name:"placementScale"}]});util.extendAll(CollisionBoxArray.prototype.StructType.prototype,{get anchorPoint(){return new Point(this.anchorPointX,this.anchorPointY)}});
-},{"../util/struct_array":106,"../util/util":108,"point-geometry":176}],62:[function(require,module,exports){
-"use strict";function CollisionFeature(t,e,i,o,s,n,a,l,r,d,u){var h=a.top*l-r,x=a.bottom*l+r,f=a.left*l-r,m=a.right*l+r;if(this.boxStartIndex=t.length,d){var _=x-h,b=m-f;if(_>0)if(_=Math.max(10*l,_),u){var c=e[i.segment+1].sub(e[i.segment])._unit()._mult(b),g=[i.sub(c),i.add(c)];this._addLineCollisionBoxes(t,g,i,0,b,_,o,s,n)}else this._addLineCollisionBoxes(t,e,i,i.segment,b,_,o,s,n)}else t.emplaceBack(i.x,i.y,f,h,m,x,1/0,o,s,n,0,0,0,0,0);this.boxEndIndex=t.length}module.exports=CollisionFeature,CollisionFeature.prototype._addLineCollisionBoxes=function(t,e,i,o,s,n,a,l,r){var d=n/2,u=Math.floor(s/d),h=-n/2,x=this.boxes,f=i,m=o+1,_=h;do{if(m--,0>m)return x;_-=e[m].dist(f),f=e[m]}while(_>-s/2);for(var b=e[m].dist(e[m+1]),c=0;u>c;c++){for(var g=-s/2+c*d;g>_+b;){if(_+=b,m++,m+1>=e.length)return x;b=e[m].dist(e[m+1])}var v=g-_,p=e[m],C=e[m+1],B=C.sub(p)._unit()._mult(v)._add(p)._round(),M=Math.max(Math.abs(g-h)-d/2,0),y=s/2/M;t.emplaceBack(B.x,B.y,-n/2,-n/2,n/2,n/2,y,a,l,r,0,0,0,0,0)}return x};
-},{}],63:[function(require,module,exports){
-"use strict";function CollisionTile(t,i,e){if("object"==typeof t){var r=t;e=i,t=r.angle,i=r.pitch,this.grid=new Grid(r.grid),this.ignoredGrid=new Grid(r.ignoredGrid)}else this.grid=new Grid(EXTENT,12,6),this.ignoredGrid=new Grid(EXTENT,12,0);this.angle=t,this.pitch=i;var a=Math.sin(t),o=Math.cos(t);if(this.rotationMatrix=[o,-a,a,o],this.reverseRotationMatrix=[o,a,-a,o],this.yStretch=1/Math.cos(i/180*Math.PI),this.yStretch=Math.pow(this.yStretch,1.3),this.collisionBoxArray=e,0===e.length){e.emplaceBack();var n=32767;e.emplaceBack(0,0,0,-n,0,n,n,0,0,0,0,0,0,0,0,0),e.emplaceBack(EXTENT,0,0,-n,0,n,n,0,0,0,0,0,0,0,0,0),e.emplaceBack(0,0,-n,0,n,0,n,0,0,0,0,0,0,0,0,0),e.emplaceBack(0,EXTENT,-n,0,n,0,n,0,0,0,0,0,0,0,0,0)}this.tempCollisionBox=e.get(0),this.edges=[e.get(1),e.get(2),e.get(3),e.get(4)]}var Point=require("point-geometry"),EXTENT=require("../data/bucket").EXTENT,Grid=require("grid-index");module.exports=CollisionTile,CollisionTile.prototype.serialize=function(){var t={angle:this.angle,pitch:this.pitch,grid:this.grid.toArrayBuffer(),ignoredGrid:this.ignoredGrid.toArrayBuffer()};return{data:t,transferables:[t.grid,t.ignoredGrid]}},CollisionTile.prototype.minScale=.25,CollisionTile.prototype.maxScale=2,CollisionTile.prototype.placeCollisionFeature=function(t,i,e){for(var r=this.collisionBoxArray,a=this.minScale,o=this.rotationMatrix,n=this.yStretch,l=t.boxStartIndex;l<t.boxEndIndex;l++){var s=r.get(l),h=s.anchorPoint._matMult(o),x=h.x,c=h.y,y=x+s.x1,d=c+s.y1*n,g=x+s.x2,m=c+s.y2*n;if(s.bbox0=y,s.bbox1=d,s.bbox2=g,s.bbox3=m,!i)for(var u=this.grid.query(y,d,g,m),p=0;p<u.length;p++){var S=r.get(u[p]),f=S.anchorPoint._matMult(o);if(a=this.getPlacementScale(a,h,s,f,S),a>=this.maxScale)return a}if(e){var v;if(this.angle){var M=this.reverseRotationMatrix,b=new Point(s.x1,s.y1).matMult(M),T=new Point(s.x2,s.y1).matMult(M),P=new Point(s.x1,s.y2).matMult(M),B=new Point(s.x2,s.y2).matMult(M);v=this.tempCollisionBox,v.anchorPointX=s.anchorPoint.x,v.anchorPointY=s.anchorPoint.y,v.x1=Math.min(b.x,T.x,P.x,B.x),v.y1=Math.min(b.y,T.x,P.x,B.x),v.x2=Math.max(b.x,T.x,P.x,B.x),v.y2=Math.max(b.y,T.x,P.x,B.x),v.maxScale=s.maxScale}else v=s;for(var C=0;C<this.edges.length;C++){var E=this.edges[C];if(a=this.getPlacementScale(a,s.anchorPoint,v,E.anchorPoint,E),a>=this.maxScale)return a}}}return a},CollisionTile.prototype.queryRenderedSymbols=function(t,i,e,r,a){var o={},n=[],l=this.collisionBoxArray,s=this.rotationMatrix,h=new Point(t,i)._matMult(s),x=this.tempCollisionBox;x.anchorX=h.x,x.anchorY=h.y,x.x1=0,x.y1=0,x.x2=e-t,x.y2=r-i,x.maxScale=a,a=x.maxScale;for(var c=[h.x+x.x1/a,h.y+x.y1/a*this.yStretch,h.x+x.x2/a,h.y+x.y2/a*this.yStretch],y=this.grid.query(c[0],c[1],c[2],c[3]),d=this.ignoredGrid.query(c[0],c[1],c[2],c[3]),g=0;g<d.length;g++)y.push(d[g]);for(var m=0;m<y.length;m++){var u=l.get(y[m]),p=u.sourceLayerIndex,S=u.featureIndex;if(void 0===o[p]&&(o[p]={}),!o[p][S]){var f=u.anchorPoint.matMult(s),v=this.getPlacementScale(this.minScale,h,x,f,u);v>=a&&(o[p][S]=!0,n.push(y[m]))}}return n},CollisionTile.prototype.getPlacementScale=function(t,i,e,r,a){var o=i.x-r.x,n=i.y-r.y,l=(a.x1-e.x2)/o,s=(a.x2-e.x1)/o,h=(a.y1-e.y2)*this.yStretch/n,x=(a.y2-e.y1)*this.yStretch/n;(isNaN(l)||isNaN(s))&&(l=s=1),(isNaN(h)||isNaN(x))&&(h=x=1);var c=Math.min(Math.max(l,s),Math.max(h,x)),y=a.maxScale,d=e.maxScale;return c>y&&(c=y),c>d&&(c=d),c>t&&c>=a.placementScale&&(t=c),t},CollisionTile.prototype.insertCollisionFeature=function(t,i,e){for(var r=e?this.ignoredGrid:this.grid,a=this.collisionBoxArray,o=t.boxStartIndex;o<t.boxEndIndex;o++){var n=a.get(o);n.placementScale=i,i<this.maxScale&&r.insert(o,n.bbox0,n.bbox1,n.bbox2,n.bbox3)}};
-},{"../data/bucket":1,"grid-index":144,"point-geometry":176}],64:[function(require,module,exports){
-"use strict";function getAnchors(e,r,t,n,a,l,o,i,h){var c=n?.6*l*o:0,s=Math.max(n?n.right-n.left:0,a?a.right-a.left:0),u=0===e[0].x||e[0].x===h||0===e[0].y||e[0].y===h;r/4>r-s*o&&(r=s*o+r/4);var g=2*l,p=u?r/2*i%r:(s/2+g)*o*i%r;return resample(e,p,r,c,t,s*o,u,!1,h)}function resample(e,r,t,n,a,l,o,i,h){for(var c=l/2,s=0,u=0;u<e.length-1;u++)s+=e[u].dist(e[u+1]);for(var g=0,p=r-t,x=[],f=0;f<e.length-1;f++){for(var v=e[f],m=e[f+1],A=v.dist(m),y=m.angleTo(v);g+A>p+t;){p+=t;var d=(p-g)/A,k=interpolate(v.x,m.x,d),q=interpolate(v.y,m.y,d);if(k>=0&&h>k&&q>=0&&h>q&&p-c>=0&&s>=p+c){var M=new Anchor(k,q,y,f)._round();n&&!checkMaxAngle(e,M,l,n,a)||x.push(M)}}g+=A}return i||x.length||o||(x=resample(e,g/2,t,n,a,l,o,!0,h)),x}var interpolate=require("../util/interpolate"),Anchor=require("../symbol/anchor"),checkMaxAngle=require("./check_max_angle");module.exports=getAnchors;
-},{"../symbol/anchor":58,"../util/interpolate":102,"./check_max_angle":59}],65:[function(require,module,exports){
-"use strict";function GlyphAtlas(t,i){this.width=t,this.height=i,this.bin=new ShelfPack(t,i),this.index={},this.ids={},this.data=new Uint8Array(t*i)}var ShelfPack=require("shelf-pack"),util=require("../util/util");module.exports=GlyphAtlas,GlyphAtlas.prototype.getGlyphs=function(){var t,i,e,h={};for(var r in this.ids)t=r.split("#"),i=t[0],e=t[1],h[i]||(h[i]=[]),h[i].push(e);return h},GlyphAtlas.prototype.getRects=function(){var t,i,e,h={};for(var r in this.ids)t=r.split("#"),i=t[0],e=t[1],h[i]||(h[i]={}),h[i][e]=this.index[r];return h},GlyphAtlas.prototype.addGlyph=function(t,i,e,h){if(!e)return null;var r=i+"#"+e.id;if(this.index[r])return this.ids[r].indexOf(t)<0&&this.ids[r].push(t),this.index[r];if(!e.bitmap)return null;var s=e.width+2*h,a=e.height+2*h,n=1,u=s+2*n,l=a+2*n;u+=4-u%4,l+=4-l%4;var d=this.bin.packOne(u,l);if(d||(this.resize(),d=this.bin.packOne(u,l)),!d)return util.warnOnce("glyph bitmap overflow"),null;this.index[r]=d,this.ids[r]=[t];for(var E=this.data,T=e.bitmap,p=0;a>p;p++)for(var o=this.width*(d.y+p+n)+d.x+n,f=s*p,x=0;s>x;x++)E[o+x]=T[f+x];return this.dirty=!0,d},GlyphAtlas.prototype.resize=function(){var t=this.width,i=this.height;if(!(t>512||i>512)){this.texture&&(this.gl&&this.gl.deleteTexture(this.texture),this.texture=null),this.width*=2,this.height*=2,this.bin.resize(this.width,this.height);for(var e,h,r=new ArrayBuffer(this.width*this.height),s=0;i>s;s++)e=new Uint8Array(this.data.buffer,i*s,t),h=new Uint8Array(r,i*s*2,t),h.set(e);this.data=new Uint8Array(r)}},GlyphAtlas.prototype.bind=function(t){this.gl=t,this.texture?t.bindTexture(t.TEXTURE_2D,this.texture):(this.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),t.texImage2D(t.TEXTURE_2D,0,t.ALPHA,this.width,this.height,0,t.ALPHA,t.UNSIGNED_BYTE,null))},GlyphAtlas.prototype.updateTexture=function(t){this.bind(t),this.dirty&&(t.texSubImage2D(t.TEXTURE_2D,0,0,0,this.width,this.height,t.ALPHA,t.UNSIGNED_BYTE,this.data),this.dirty=!1)};
-},{"../util/util":108,"shelf-pack":179}],66:[function(require,module,exports){
-"use strict";function GlyphSource(t){this.url=t&&normalizeURL(t),this.atlases={},this.stacks={},this.loading={}}function SimpleGlyph(t,e,l){var r=1;this.advance=t.advance,this.left=t.left-l-r,this.top=t.top+l+r,this.rect=e}function glyphUrl(t,e,l,r){return r=r||"abc",l.replace("{s}",r[t.length%r.length]).replace("{fontstack}",t).replace("{range}",e)}var normalizeURL=require("../util/mapbox").normalizeGlyphsURL,getArrayBuffer=require("../util/ajax").getArrayBuffer,Glyphs=require("../util/glyphs"),GlyphAtlas=require("../symbol/glyph_atlas"),Protobuf=require("pbf");module.exports=GlyphSource,GlyphSource.prototype.getSimpleGlyphs=function(t,e,l,r){void 0===this.stacks[t]&&(this.stacks[t]={}),void 0===this.atlases[t]&&(this.atlases[t]=new GlyphAtlas(128,128));for(var s,a={},i=this.stacks[t],h=this.atlases[t],o=3,n={},p=0,u=0;u<e.length;u++){var y=e[u];if(s=Math.floor(y/256),i[s]){var f=i[s].glyphs[y],c=h.addGlyph(l,t,f,o);f&&(a[y]=new SimpleGlyph(f,c,o))}else void 0===n[s]&&(n[s]=[],p++),n[s].push(y)}p||r(void 0,a,t);var g=function(e,s,i){if(!e)for(var u=this.stacks[t][s]=i.stacks[0],y=0;y<n[s].length;y++){var f=n[s][y],c=u.glyphs[f],g=h.addGlyph(l,t,c,o);c&&(a[f]=new SimpleGlyph(c,g,o))}p--,p||r(void 0,a,t)}.bind(this);for(var d in n)this.loadRange(t,d,g)},GlyphSource.prototype.loadRange=function(t,e,l){if(256*e>65535)return l("glyphs > 65535 not supported");void 0===this.loading[t]&&(this.loading[t]={});var r=this.loading[t];if(r[e])r[e].push(l);else{r[e]=[l];var s=256*e+"-"+(256*e+255),a=glyphUrl(t,s,this.url);getArrayBuffer(a,function(t,l){for(var s=!t&&new Glyphs(new Protobuf(new Uint8Array(l))),a=0;a<r[e].length;a++)r[e][a](t,e,s);delete r[e]})}},GlyphSource.prototype.getGlyphAtlas=function(t){return this.atlases[t]};
-},{"../symbol/glyph_atlas":65,"../util/ajax":92,"../util/glyphs":101,"../util/mapbox":105,"pbf":174}],67:[function(require,module,exports){
-"use strict";module.exports=function(e,t,n){function r(r){c.push(e[r]),f.push(n[r]),v.push(t[r]),h++}function u(e,t,n){var r=l[e];return delete l[e],l[t]=r,f[r][0].pop(),f[r][0]=f[r][0].concat(n[0]),r}function i(e,t,n){var r=a[t];return delete a[t],a[e]=r,f[r][0].shift(),f[r][0]=n[0].concat(f[r][0]),r}function o(e,t,n){var r=n?t[0][t[0].length-1]:t[0][0];return e+":"+r.x+":"+r.y}var s,a={},l={},c=[],f=[],v=[],h=0;for(s=0;s<e.length;s++){var p=n[s],d=t[s];if(d){var g=o(d,p),x=o(d,p,!0);if(g in l&&x in a&&l[g]!==a[x]){var m=i(g,x,p),y=u(g,x,f[m]);delete a[g],delete l[x],l[o(d,f[y],!0)]=y,f[m]=null}else g in l?u(g,x,p):x in a?i(g,x,p):(r(s),a[g]=h-1,l[x]=h-1)}else r(s)}return{features:c,textFeatures:v,geometries:f}};
-},{}],68:[function(require,module,exports){
-"use strict";function SymbolQuad(t,e,a,n,i,o,h,l,r,s){this.anchorPoint=t,this.tl=e,this.tr=a,this.bl=n,this.br=i,this.tex=o,this.anchorAngle=h,this.glyphAngle=l,this.minScale=r,this.maxScale=s}function getIconQuads(t,e,a,n,i,o,h,l,r){var s,c,m,u,g=e.image.rect,f=i.layout,x=1,y=e.left-x,P=y+g.w/e.image.pixelRatio,M=e.top-x,d=M+g.h/e.image.pixelRatio;if("none"!==f["icon-text-fit"]&&h){var p=P-y,v=d-M,w=f["text-size"]/24,S=h.left*w,b=h.right*w,I=h.top*w,Q=h.bottom*w,G=b-S,k=Q-I,q=f["icon-text-fit-padding"][0],A=f["icon-text-fit-padding"][1],R=f["icon-text-fit-padding"][2],_=f["icon-text-fit-padding"][3],z="width"===f["icon-text-fit"]?.5*(k-v):0,L="height"===f["icon-text-fit"]?.5*(G-p):0,V="width"===f["icon-text-fit"]||"both"===f["icon-text-fit"]?G:p,j="height"===f["icon-text-fit"]||"both"===f["icon-text-fit"]?k:v;s=new Point(S+L-_,I+z-q),c=new Point(S+L+A+V,I+z-q),m=new Point(S+L+A+V,I+z+R+j),u=new Point(S+L-_,I+z+R+j)}else s=new Point(y,M),c=new Point(P,M),m=new Point(P,d),u=new Point(y,d);var B=i.getLayoutValue("icon-rotate",l,r)*Math.PI/180;if(o){var C=n[t.segment];if(t.y===C.y&&t.x===C.x&&t.segment+1<n.length){var D=n[t.segment+1];B+=Math.atan2(t.y-D.y,t.x-D.x)+Math.PI}else B+=Math.atan2(t.y-C.y,t.x-C.x)}if(B){var E=Math.sin(B),F=Math.cos(B),H=[F,-E,E,F];s=s.matMult(H),c=c.matMult(H),u=u.matMult(H),m=m.matMult(H)}return[new SymbolQuad(new Point(t.x,t.y),s,c,u,m,e.image.rect,0,0,minScale,1/0)]}function getGlyphQuads(t,e,a,n,i,o){for(var h=i.layout["text-rotate"]*Math.PI/180,l=i.layout["text-keep-upright"],r=e.positionedGlyphs,s=[],c=0;c<r.length;c++){var m=r[c],u=m.glyph,g=u.rect;if(g){var f,x=(m.x+u.advance/2)*a,y=minScale;o?(f=[],y=getSegmentGlyphs(f,t,x,n,t.segment,!0),l&&(y=Math.min(y,getSegmentGlyphs(f,t,x,n,t.segment,!1)))):f=[{anchorPoint:new Point(t.x,t.y),offset:0,angle:0,maxScale:1/0,minScale:minScale}];for(var P=m.x+u.left,M=m.y-u.top,d=P+g.w,p=M+g.h,v=new Point(P,M),w=new Point(d,M),S=new Point(P,p),b=new Point(d,p),I=0;I<f.length;I++){var Q=f[I],G=v,k=w,q=S,A=b;if(h){var R=Math.sin(h),_=Math.cos(h),z=[_,-R,R,_];G=G.matMult(z),k=k.matMult(z),q=q.matMult(z),A=A.matMult(z)}var L=Math.max(Q.minScale,y),V=(t.angle+Q.offset+2*Math.PI)%(2*Math.PI),j=(Q.angle+Q.offset+2*Math.PI)%(2*Math.PI);s.push(new SymbolQuad(Q.anchorPoint,G,k,q,A,g,V,j,L,Q.maxScale))}}}return s}function getSegmentGlyphs(t,e,a,n,i,o){var h=!o;0>a&&(o=!o),o&&i++;var l=new Point(e.x,e.y),r=n[i],s=1/0;a=Math.abs(a);for(var c=minScale;;){var m=l.dist(r),u=a/m,g=Math.atan2(r.y-l.y,r.x-l.x);if(o||(g+=Math.PI),t.push({anchorPoint:l,offset:h?Math.PI:0,minScale:u,maxScale:s,angle:(g+2*Math.PI)%(2*Math.PI)}),c>=u)break;for(l=r;l.equals(r);)if(i+=o?1:-1,r=n[i],!r)return u;var f=r.sub(l)._unit();l=l.sub(f._mult(m)),s=u}return c}var Point=require("point-geometry");module.exports={getIconQuads:getIconQuads,getGlyphQuads:getGlyphQuads,SymbolQuad:SymbolQuad};var minScale=.5;
-},{"point-geometry":176}],69:[function(require,module,exports){
-"use strict";function resolveText(e,r,o){for(var t=[],s=0,l=e.length;l>s;s++){var a=resolveTokens(e[s].properties,r["text-field"]);if(a){a=a.toString();var n=r["text-transform"];"uppercase"===n?a=a.toLocaleUpperCase():"lowercase"===n&&(a=a.toLocaleLowerCase());for(var v=0;v<a.length;v++)o[a.charCodeAt(v)]=!0;t[s]=a}else t[s]=null}return t}var resolveTokens=require("../util/token");module.exports=resolveText;
-},{"../util/token":107}],70:[function(require,module,exports){
-"use strict";function PositionedGlyph(t,i,n,e){this.codePoint=t,this.x=i,this.y=n,this.glyph=e}function Shaping(t,i,n,e,o,h){this.positionedGlyphs=t,this.text=i,this.top=n,this.bottom=e,this.left=o,this.right=h}function shapeText(t,i,n,e,o,h,a,s,r){for(var l=[],f=new Shaping(l,t,r[1],r[1],r[0],r[0]),c=-17,p=0,u=c,v=0;v<t.length;v++){var d=t.charCodeAt(v),g=i[d];g&&(l.push(new PositionedGlyph(d,p,u,g)),p+=g.advance+s)}return l.length?(linewrap(f,i,e,n,o,h,a,r),f):!1}function linewrap(t,i,n,e,o,h,a,s){var r=null,l=0,f=0,c=0,p=0,u=t.positionedGlyphs;if(e)for(var v=0;v<u.length;v++){var d=u[v];if(d.x-=l,d.y+=n*c,d.x>e&&null!==r){var g=u[r+1].x;p=Math.max(g,p);for(var x=r+1;v>=x;x++)u[x].y+=n,u[x].x-=g;if(a){var y=r;invisible[u[r].codePoint]&&y--,justifyLine(u,i,f,y,a)}f=r+1,r=null,l+=g,c++}breakable[d.codePoint]&&(r=v)}var b=u[u.length-1],P=b.x+i[b.codePoint].advance;p=Math.max(p,P);var m=(c+1)*n;justifyLine(u,i,f,u.length-1,a),align(u,a,o,h,p,n,c,s),t.top+=-h*m,t.bottom=t.top+m,t.left+=-o*p,t.right=t.left+p}function justifyLine(t,i,n,e,o){for(var h=i[t[e].codePoint].advance,a=(t[e].x+h)*o,s=n;e>=s;s++)t[s].x-=a}function align(t,i,n,e,o,h,a,s){for(var r=(i-n)*o+s[0],l=(-e*(a+1)+.5)*h+s[1],f=0;f<t.length;f++)t[f].x+=r,t[f].y+=l}function shapeIcon(t,i){if(!t||!t.rect)return null;var n=i["icon-offset"][0],e=i["icon-offset"][1],o=n-t.width/2,h=o+t.width,a=e-t.height/2,s=a+t.height;return new PositionedIcon(t,a,s,o,h)}function PositionedIcon(t,i,n,e,o){this.image=t,this.top=i,this.bottom=n,this.left=e,this.right=o}module.exports={shapeText:shapeText,shapeIcon:shapeIcon};var invisible={32:!0,8203:!0},breakable={32:!0,38:!0,43:!0,45:!0,47:!0,173:!0,183:!0,8203:!0,8208:!0,8211:!0};
-},{}],71:[function(require,module,exports){
-"use strict";function SpriteAtlas(t,i){this.width=t,this.height=i,this.bin=new ShelfPack(t,i),this.images={},this.data=!1,this.texture=0,this.filter=0,this.pixelRatio=1,this.dirty=!0}function copyBitmap(t,i,e,h,a,s,r,o,l,p,n){var u,R,f=h*i+e,x=o*s+r;if(n)for(x-=s,R=-1;p>=R;R++,f=((R+p)%p+h)*i+e,x+=s)for(u=-1;l>=u;u++)a[x+u]=t[f+(u+l)%l];else for(R=0;p>R;R++,f+=i,x+=s)for(u=0;l>u;u++)a[x+u]=t[f+u]}function AtlasImage(t,i,e,h,a){this.rect=t,this.width=i,this.height=e,this.sdf=h,this.pixelRatio=a}var ShelfPack=require("shelf-pack"),browser=require("../util/browser"),util=require("../util/util");module.exports=SpriteAtlas,SpriteAtlas.prototype.allocateImage=function(t,i){t/=this.pixelRatio,i/=this.pixelRatio;var e=2,h=t+e+(4-(t+e)%4),a=i+e+(4-(i+e)%4),s=this.bin.packOne(h,a);return s?s:(util.warnOnce("SpriteAtlas out of space."),null)},SpriteAtlas.prototype.getImage=function(t,i){if(this.images[t])return this.images[t];if(!this.sprite)return null;var e=this.sprite.getSpritePosition(t);if(!e.width||!e.height)return null;var h=this.allocateImage(e.width,e.height);if(!h)return null;var a=new AtlasImage(h,e.width/e.pixelRatio,e.height/e.pixelRatio,e.sdf,e.pixelRatio/this.pixelRatio);return this.images[t]=a,this.copy(h,e,i),a},SpriteAtlas.prototype.getPosition=function(t,i){var e=this.getImage(t,i),h=e&&e.rect;if(!h)return null;var a=e.width*e.pixelRatio,s=e.height*e.pixelRatio,r=1;return{size:[e.width,e.height],tl:[(h.x+r)/this.width,(h.y+r)/this.height],br:[(h.x+r+a)/this.width,(h.y+r+s)/this.height]}},SpriteAtlas.prototype.allocate=function(){if(!this.data){var t=Math.floor(this.width*this.pixelRatio),i=Math.floor(this.height*this.pixelRatio);this.data=new Uint32Array(t*i);for(var e=0;e<this.data.length;e++)this.data[e]=0}},SpriteAtlas.prototype.copy=function(t,i,e){if(this.sprite.img.data){var h=new Uint32Array(this.sprite.img.data.buffer);this.allocate();var a=this.data,s=1;copyBitmap(h,this.sprite.img.width,i.x,i.y,a,this.width*this.pixelRatio,(t.x+s)*this.pixelRatio,(t.y+s)*this.pixelRatio,i.width,i.height,e),this.dirty=!0}},SpriteAtlas.prototype.setSprite=function(t){t&&(this.pixelRatio=browser.devicePixelRatio>1?2:1,this.canvas&&(this.canvas.width=this.width*this.pixelRatio,this.canvas.height=this.height*this.pixelRatio)),this.sprite=t},SpriteAtlas.prototype.addIcons=function(t,i){for(var e=0;e<t.length;e++)this.getImage(t[e]);i(null,this.images)},SpriteAtlas.prototype.bind=function(t,i){var e=!1;this.texture?t.bindTexture(t.TEXTURE_2D,this.texture):(this.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),e=!0);var h=i?t.LINEAR:t.NEAREST;h!==this.filter&&(t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,h),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,h),this.filter=h),this.dirty&&(this.allocate(),e?t.texImage2D(t.TEXTURE_2D,0,t.RGBA,this.width*this.pixelRatio,this.height*this.pixelRatio,0,t.RGBA,t.UNSIGNED_BYTE,new Uint8Array(this.data.buffer)):t.texSubImage2D(t.TEXTURE_2D,0,0,0,this.width*this.pixelRatio,this.height*this.pixelRatio,t.RGBA,t.UNSIGNED_BYTE,new Uint8Array(this.data.buffer)),this.dirty=!1)};
-},{"../util/browser":93,"../util/util":108,"shelf-pack":179}],72:[function(require,module,exports){
-"use strict";var StructArrayType=require("../util/struct_array"),util=require("../util/util"),Point=require("point-geometry"),SymbolInstancesArray=module.exports=new StructArrayType({members:[{type:"Uint16",name:"textBoxStartIndex"},{type:"Uint16",name:"textBoxEndIndex"},{type:"Uint16",name:"iconBoxStartIndex"},{type:"Uint16",name:"iconBoxEndIndex"},{type:"Uint16",name:"glyphQuadStartIndex"},{type:"Uint16",name:"glyphQuadEndIndex"},{type:"Uint16",name:"iconQuadStartIndex"},{type:"Uint16",name:"iconQuadEndIndex"},{type:"Int16",name:"anchorPointX"},{type:"Int16",name:"anchorPointY"},{type:"Int8",name:"index"}]});util.extendAll(SymbolInstancesArray.prototype.StructType.prototype,{get anchorPoint(){return new Point(this.anchorPointX,this.anchorPointY)}});
-},{"../util/struct_array":106,"../util/util":108,"point-geometry":176}],73:[function(require,module,exports){
-"use strict";var StructArrayType=require("../util/struct_array"),util=require("../util/util"),Point=require("point-geometry"),SymbolQuad=require("./quads").SymbolQuad,SymbolQuadsArray=module.exports=new StructArrayType({members:[{type:"Int16",name:"anchorPointX"},{type:"Int16",name:"anchorPointY"},{type:"Float32",name:"tlX"},{type:"Float32",name:"tlY"},{type:"Float32",name:"trX"},{type:"Float32",name:"trY"},{type:"Float32",name:"blX"},{type:"Float32",name:"blY"},{type:"Float32",name:"brX"},{type:"Float32",name:"brY"},{type:"Int16",name:"texH"},{type:"Int16",name:"texW"},{type:"Int16",name:"texX"},{type:"Int16",name:"texY"},{type:"Float32",name:"anchorAngle"},{type:"Float32",name:"glyphAngle"},{type:"Float32",name:"maxScale"},{type:"Float32",name:"minScale"}]});util.extendAll(SymbolQuadsArray.prototype.StructType.prototype,{get anchorPoint(){return new Point(this.anchorPointX,this.anchorPointY)},get SymbolQuad(){return new SymbolQuad(this.anchorPoint,new Point(this.tlX,this.tlY),new Point(this.trX,this.trY),new Point(this.blX,this.blY),new Point(this.brX,this.brY),{x:this.texX,y:this.texY,h:this.texH,w:this.texW,height:this.texH,width:this.texW},this.anchorAngle,this.glyphAngle,this.minScale,this.maxScale)}});
-},{"../util/struct_array":106,"../util/util":108,"./quads":68,"point-geometry":176}],74:[function(require,module,exports){
-"use strict";var DOM=require("../util/dom"),Point=require("point-geometry"),handlers={scrollZoom:require("./handler/scroll_zoom"),boxZoom:require("./handler/box_zoom"),dragRotate:require("./handler/drag_rotate"),dragPan:require("./handler/drag_pan"),keyboard:require("./handler/keyboard"),doubleClickZoom:require("./handler/dblclick_zoom"),touchZoomRotate:require("./handler/touch_zoom_rotate")};module.exports=function(e,t){function n(e){h("mouseout",e)}function o(t){e.stop(),E=DOM.mousePos(g,t),h("mousedown",t)}function r(t){var n=e.dragRotate&&e.dragRotate.isActive();p&&!n&&h("contextmenu",p),p=null,h("mouseup",t)}function u(t){if(!(e.dragPan&&e.dragPan.isActive()||e.dragRotate&&e.dragRotate.isActive())){for(var n=t.toElement||t.target;n&&n!==g;)n=n.parentNode;n===g&&h("mousemove",t)}}function a(t){e.stop(),f("touchstart",t),!t.touches||t.touches.length>1||(L?(clearTimeout(L),L=null,h("dblclick",t)):L=setTimeout(l,300))}function i(e){f("touchmove",e)}function c(e){f("touchend",e)}function d(e){f("touchcancel",e)}function l(){L=null}function s(e){var t=DOM.mousePos(g,e);t.equals(E)&&h("click",e)}function v(e){h("dblclick",e),e.preventDefault()}function m(e){p=e,e.preventDefault()}function h(t,n){var o=DOM.mousePos(g,n);return e.fire(t,{lngLat:e.unproject(o),point:o,originalEvent:n})}function f(t,n){var o=DOM.touchPos(g,n),r=o.reduce(function(e,t,n,o){return e.add(t.div(o.length))},new Point(0,0));return e.fire(t,{lngLat:e.unproject(r),point:r,lngLats:o.map(function(t){return e.unproject(t)},this),points:o,originalEvent:n})}var g=e.getCanvasContainer(),p=null,E=null,L=null;for(var b in handlers)e[b]=new handlers[b](e,t),t.interactive&&t[b]&&e[b].enable();g.addEventListener("mouseout",n,!1),g.addEventListener("mousedown",o,!1),g.addEventListener("mouseup",r,!1),g.addEventListener("mousemove",u,!1),g.addEventListener("touchstart",a,!1),g.addEventListener("touchend",c,!1),g.addEventListener("touchmove",i,!1),g.addEventListener("touchcancel",d,!1),g.addEventListener("click",s,!1),g.addEventListener("dblclick",v,!1),g.addEventListener("contextmenu",m,!1)};
-},{"../util/dom":96,"./handler/box_zoom":80,"./handler/dblclick_zoom":81,"./handler/drag_pan":82,"./handler/drag_rotate":83,"./handler/keyboard":84,"./handler/scroll_zoom":85,"./handler/touch_zoom_rotate":86,"point-geometry":176}],75:[function(require,module,exports){
-"use strict";var util=require("../util/util"),interpolate=require("../util/interpolate"),browser=require("../util/browser"),LngLat=require("../geo/lng_lat"),LngLatBounds=require("../geo/lng_lat_bounds"),Point=require("point-geometry"),Camera=module.exports=function(){};util.extend(Camera.prototype,{getCenter:function(){return this.transform.center},setCenter:function(t,i){return this.jumpTo({center:t},i),this},panBy:function(t,i,e){return this.panTo(this.transform.center,util.extend({offset:Point.convert(t).mult(-1)},i),e),this},panTo:function(t,i,e){return this.easeTo(util.extend({center:t},i),e)},getZoom:function(){return this.transform.zoom},setZoom:function(t,i){return this.jumpTo({zoom:t},i),this},zoomTo:function(t,i,e){return this.easeTo(util.extend({zoom:t},i),e)},zoomIn:function(t,i){return this.zoomTo(this.getZoom()+1,t,i),this},zoomOut:function(t,i){return this.zoomTo(this.getZoom()-1,t,i),this},getBearing:function(){return this.transform.bearing},setBearing:function(t,i){return this.jumpTo({bearing:t},i),this},rotateTo:function(t,i,e){return this.easeTo(util.extend({bearing:t},i),e)},resetNorth:function(t,i){return this.rotateTo(0,util.extend({duration:1e3},t),i),this},snapToNorth:function(t,i){return Math.abs(this.getBearing())<this._bearingSnap?this.resetNorth(t,i):this},getPitch:function(){return this.transform.pitch},setPitch:function(t,i){return this.jumpTo({pitch:t},i),this},fitBounds:function(t,i,e){i=util.extend({padding:0,offset:[0,0],maxZoom:1/0},i),t=LngLatBounds.convert(t);var n=Point.convert(i.offset),o=this.transform,r=o.project(t.getNorthWest()),s=o.project(t.getSouthEast()),a=s.sub(r),h=(o.width-2*i.padding-2*Math.abs(n.x))/a.x,u=(o.height-2*i.padding-2*Math.abs(n.y))/a.y;return i.center=o.unproject(r.add(s).div(2)),i.zoom=Math.min(o.scaleZoom(o.scale*Math.min(h,u)),i.maxZoom),i.bearing=0,i.linear?this.easeTo(i,e):this.flyTo(i,e)},jumpTo:function(t,i){this.stop();var e=this.transform,n=!1,o=!1,r=!1;return"zoom"in t&&e.zoom!==+t.zoom&&(n=!0,e.zoom=+t.zoom),"center"in t&&(e.center=LngLat.convert(t.center)),"bearing"in t&&e.bearing!==+t.bearing&&(o=!0,e.bearing=+t.bearing),"pitch"in t&&e.pitch!==+t.pitch&&(r=!0,e.pitch=+t.pitch),this.fire("movestart",i).fire("move",i),n&&this.fire("zoomstart",i).fire("zoom",i).fire("zoomend",i),o&&this.fire("rotate",i),r&&this.fire("pitch",i),this.fire("moveend",i)},easeTo:function(t,i){this.stop(),t=util.extend({offset:[0,0],duration:500,easing:util.ease},t);var e,n,o=this.transform,r=Point.convert(t.offset),s=this.getZoom(),a=this.getBearing(),h=this.getPitch(),u="zoom"in t?+t.zoom:s,c="bearing"in t?this._normalizeBearing(t.bearing,a):a,m="pitch"in t?+t.pitch:h;"center"in t?(e=LngLat.convert(t.center),n=o.centerPoint.add(r)):"around"in t?(e=LngLat.convert(t.around),n=o.locationPoint(e)):(n=o.centerPoint.add(r),e=o.pointLocation(n));var f=o.locationPoint(e);return t.animate===!1&&(t.duration=0),this.zooming=u!==s,this.rotating=a!==c,this.pitching=m!==h,t.noMoveStart||this.fire("movestart",i),this.zooming&&this.fire("zoomstart",i),clearTimeout(this._onEaseEnd),this._ease(function(t){this.zooming&&(o.zoom=interpolate(s,u,t)),this.rotating&&(o.bearing=interpolate(a,c,t)),this.pitching&&(o.pitch=interpolate(h,m,t)),o.setLocationAtPoint(e,f.add(n.sub(f)._mult(t))),this.fire("move",i),this.zooming&&this.fire("zoom",i),this.rotating&&this.fire("rotate",i),this.pitching&&this.fire("pitch",i)},function(){t.delayEndEvents?this._onEaseEnd=setTimeout(this._easeToEnd.bind(this,i),t.delayEndEvents):this._easeToEnd(i)}.bind(this),t),this},_easeToEnd:function(t){this.zooming&&this.fire("zoomend",t),this.fire("moveend",t),this.zooming=!1,this.rotating=!1,this.pitching=!1},flyTo:function(t,i){function e(t){var i=(_*_-M*M+(t?-1:1)*L*L*T*T)/(2*(t?_:M)*L*T);return Math.log(Math.sqrt(i*i+1)-i)}function n(t){return(Math.exp(t)-Math.exp(-t))/2}function o(t){return(Math.exp(t)+Math.exp(-t))/2}function r(t){return n(t)/o(t)}this.stop(),t=util.extend({offset:[0,0],speed:1.2,curve:1.42,easing:util.ease},t);var s=this.transform,a=Point.convert(t.offset),h=this.getZoom(),u=this.getBearing(),c=this.getPitch(),m="center"in t?LngLat.convert(t.center):this.getCenter(),f="zoom"in t?+t.zoom:h,g="bearing"in t?this._normalizeBearing(t.bearing,u):u,l="pitch"in t?+t.pitch:c;Math.abs(s.center.lng)+Math.abs(m.lng)>180&&(s.center.lng>0&&m.lng<0?m.lng+=360:s.center.lng<0&&m.lng>0&&(m.lng-=360));var p=s.zoomScale(f-h),d=s.point,b="center"in t?s.project(m).sub(a.div(p)):d,z=s.worldSize,v=t.curve,M=Math.max(s.width,s.height),_=M/p,T=b.sub(d).mag();if("minZoom"in t){var x=util.clamp(Math.min(t.minZoom,h,f),s.minZoom,s.maxZoom),E=M/s.zoomScale(x-h);v=Math.sqrt(E/T*2)}var L=v*v,P=e(0),Z=function(t){return o(P)/o(P+v*t)},B=function(t){return M*((o(P)*r(P+v*t)-n(P))/L)/T},j=(e(1)-P)/v;if(Math.abs(T)<1e-6){if(Math.abs(M-_)<1e-6)return this.easeTo(t);var q=M>_?-1:1;j=Math.abs(Math.log(_/M))/v,B=function(){return 0},Z=function(t){return Math.exp(q*v*t)}}if("duration"in t)t.duration=+t.duration;else{var w="screenSpeed"in t?+t.screenSpeed/v:+t.speed;t.duration=1e3*j/w}return this.zooming=!0,u!==g&&(this.rotating=!0),c!==l&&(this.pitching=!0),this.fire("movestart",i),this.fire("zoomstart",i),this._ease(function(t){var e=t*j,n=B(e);s.zoom=h+s.scaleZoom(1/Z(e)),s.center=s.unproject(d.add(b.sub(d).mult(n)),z),this.rotating&&(s.bearing=interpolate(u,g,t)),this.pitching&&(s.pitch=interpolate(c,l,t)),this.fire("move",i),this.fire("zoom",i),this.rotating&&this.fire("rotate",i),this.pitching&&this.fire("pitch",i)},function(){this.fire("zoomend",i),this.fire("moveend",i),this.zooming=!1,this.rotating=!1,this.pitching=!1},t),this},isEasing:function(){return!!this._abortFn},stop:function(){return this._abortFn&&(this._abortFn(),this._finishEase()),this},_ease:function(t,i,e){this._finishFn=i,this._abortFn=browser.timed(function(i){t.call(this,e.easing(i)),1===i&&this._finishEase()},e.animate===!1?0:e.duration,this)},_finishEase:function(){delete this._abortFn;var t=this._finishFn;delete this._finishFn,t.call(this)},_normalizeBearing:function(t,i){t=util.wrap(t,-180,180);var e=Math.abs(t-i);return Math.abs(t-360-i)<e&&(t-=360),Math.abs(t+360-i)<e&&(t+=360),t},_updateEasing:function(t,i,e){var n;if(this.ease){var o=this.ease,r=(Date.now()-o.start)/o.duration,s=o.easing(r+.01)-o.easing(r),a=.27/Math.sqrt(s*s+1e-4)*.01,h=Math.sqrt(.0729-a*a);n=util.bezier(a,h,.25,1)}else n=e?util.bezier.apply(util,e):util.ease;return this.ease={start:(new Date).getTime(),to:Math.pow(2,i),duration:t,easing:n},n}});
-},{"../geo/lng_lat":10,"../geo/lng_lat_bounds":11,"../util/browser":93,"../util/interpolate":102,"../util/util":108,"point-geometry":176}],76:[function(require,module,exports){
-"use strict";function Attribution(t){util.setOptions(this,t)}var Control=require("./control"),DOM=require("../../util/dom"),util=require("../../util/util");module.exports=Attribution,Attribution.createAttributionString=function(t){var i=[];for(var n in t){var e=t[n];e.attribution&&i.indexOf(e.attribution)<0&&i.push(e.attribution)}return i.sort(function(t,i){return t.length-i.length}),i=i.filter(function(t,n){for(var e=n+1;e<i.length;e++)if(i[e].indexOf(t)>=0)return!1;return!0}),i.join(" | ")},Attribution.prototype=util.inherit(Control,{options:{position:"bottom-right"},onAdd:function(t){var i="mapboxgl-ctrl-attrib",n=this._container=DOM.create("div",i,t.getContainer());return this._update(),t.on("source.load",this._update.bind(this)),t.on("source.change",this._update.bind(this)),t.on("source.remove",this._update.bind(this)),t.on("moveend",this._updateEditLink.bind(this)),n},_update:function(){this._map.style&&(this._container.innerHTML=Attribution.createAttributionString(this._map.style.sources)),this._editLink=this._container.getElementsByClassName("mapbox-improve-map")[0],this._updateEditLink()},_updateEditLink:function(){if(this._editLink){var t=this._map.getCenter();this._editLink.href="https://www.mapbox.com/map-feedback/#/"+t.lng+"/"+t.lat+"/"+Math.round(this._map.getZoom()+1)}}});
-},{"../../util/dom":96,"../../util/util":108,"./control":77}],77:[function(require,module,exports){
-"use strict";function Control(){}var util=require("../../util/util"),Evented=require("../../util/evented");module.exports=Control,Control.prototype={addTo:function(t){this._map=t;var o=this._container=this.onAdd(t);if(this.options&&this.options.position){var i=this.options.position,e=t._controlCorners[i];o.className+=" mapboxgl-ctrl",-1!==i.indexOf("bottom")?e.insertBefore(o,e.firstChild):e.appendChild(o)}return this},remove:function(){return this._container.parentNode.removeChild(this._container),this.onRemove&&this.onRemove(this._map),this._map=null,this}},util.extend(Control.prototype,Evented);
-},{"../../util/evented":100,"../../util/util":108}],78:[function(require,module,exports){
-"use strict";function Geolocate(t){util.setOptions(this,t)}var Control=require("./control"),browser=require("../../util/browser"),DOM=require("../../util/dom"),util=require("../../util/util");module.exports=Geolocate;var geoOptions={enableHighAccuracy:!1,timeout:6e3};Geolocate.prototype=util.inherit(Control,{options:{position:"top-right"},onAdd:function(t){var i="mapboxgl-ctrl",o=this._container=DOM.create("div",i+"-group",t.getContainer());return browser.supportsGeolocation?(this._container.addEventListener("contextmenu",this._onContextMenu.bind(this)),this._geolocateButton=DOM.create("button",i+"-icon "+i+"-geolocate",this._container),this._geolocateButton.addEventListener("click",this._onClickGeolocate.bind(this)),o):o},_onContextMenu:function(t){t.preventDefault()},_onClickGeolocate:function(){navigator.geolocation.getCurrentPosition(this._success.bind(this),this._error.bind(this),geoOptions),this._timeoutId=setTimeout(this._finish.bind(this),1e4)},_success:function(t){this._map.jumpTo({center:[t.coords.longitude,t.coords.latitude],zoom:17,bearing:0,pitch:0}),this.fire("geolocate",t),this._finish()},_error:function(t){this.fire("error",t),this._finish()},_finish:function(){this._timeoutId&&clearTimeout(this._timeoutId),this._timeoutId=void 0}});
-},{"../../util/browser":93,"../../util/dom":96,"../../util/util":108,"./control":77}],79:[function(require,module,exports){
-"use strict";function Navigation(t){util.setOptions(this,t)}function copyMouseEvent(t){return new MouseEvent(t.type,{button:2,buttons:2,bubbles:!0,cancelable:!0,detail:t.detail,view:t.view,screenX:t.screenX,screenY:t.screenY,clientX:t.clientX,clientY:t.clientY,movementX:t.movementX,movementY:t.movementY,ctrlKey:t.ctrlKey,shiftKey:t.shiftKey,altKey:t.altKey,metaKey:t.metaKey})}var Control=require("./control"),DOM=require("../../util/dom"),util=require("../../util/util");module.exports=Navigation,Navigation.prototype=util.inherit(Control,{options:{position:"top-right"},onAdd:function(t){var o="mapboxgl-ctrl",e=this._container=DOM.create("div",o+"-group",t.getContainer());return this._container.addEventListener("contextmenu",this._onContextMenu.bind(this)),this._zoomInButton=this._createButton(o+"-icon "+o+"-zoom-in",t.zoomIn.bind(t)),this._zoomOutButton=this._createButton(o+"-icon "+o+"-zoom-out",t.zoomOut.bind(t)),this._compass=this._createButton(o+"-icon "+o+"-compass",t.resetNorth.bind(t)),this._compassArrow=DOM.create("div","arrow",this._compass),this._compass.addEventListener("mousedown",this._onCompassDown.bind(this)),this._onCompassMove=this._onCompassMove.bind(this),this._onCompassUp=this._onCompassUp.bind(this),t.on("rotate",this._rotateCompassArrow.bind(this)),this._rotateCompassArrow(),this._el=t.getCanvasContainer(),e},_onContextMenu:function(t){t.preventDefault()},_onCompassDown:function(t){0===t.button&&(DOM.disableDrag(),document.addEventListener("mousemove",this._onCompassMove),document.addEventListener("mouseup",this._onCompassUp),this._el.dispatchEvent(copyMouseEvent(t)),t.stopPropagation())},_onCompassMove:function(t){0===t.button&&(this._el.dispatchEvent(copyMouseEvent(t)),t.stopPropagation())},_onCompassUp:function(t){0===t.button&&(document.removeEventListener("mousemove",this._onCompassMove),document.removeEventListener("mouseup",this._onCompassUp),DOM.enableDrag(),this._el.dispatchEvent(copyMouseEvent(t)),t.stopPropagation())},_createButton:function(t,o){var e=DOM.create("button",t,this._container);return e.addEventListener("click",function(){o()}),e},_rotateCompassArrow:function(){var t="rotate("+this._map.transform.angle*(180/Math.PI)+"deg)";this._compassArrow.style.transform=t}});
-},{"../../util/dom":96,"../../util/util":108,"./control":77}],80:[function(require,module,exports){
-"use strict";function BoxZoomHandler(e){this._map=e,this._el=e.getCanvasContainer(),this._container=e.getContainer(),util.bindHandlers(this)}var DOM=require("../../util/dom"),LngLatBounds=require("../../geo/lng_lat_bounds"),util=require("../../util/util");module.exports=BoxZoomHandler,BoxZoomHandler.prototype={_enabled:!1,_active:!1,isEnabled:function(){return this._enabled},isActive:function(){return this._active},enable:function(){this.isEnabled()||(this._el.addEventListener("mousedown",this._onMouseDown,!1),this._enabled=!0)},disable:function(){this.isEnabled()&&(this._el.removeEventListener("mousedown",this._onMouseDown),this._enabled=!1)},_onMouseDown:function(e){e.shiftKey&&0===e.button&&(document.addEventListener("mousemove",this._onMouseMove,!1),document.addEventListener("keydown",this._onKeyDown,!1),document.addEventListener("mouseup",this._onMouseUp,!1),DOM.disableDrag(),this._startPos=DOM.mousePos(this._el,e),this._active=!0)},_onMouseMove:function(e){var t=this._startPos,o=DOM.mousePos(this._el,e);this._box||(this._box=DOM.create("div","mapboxgl-boxzoom",this._container),this._container.classList.add("mapboxgl-crosshair"),this._fireEvent("boxzoomstart",e));var n=Math.min(t.x,o.x),i=Math.max(t.x,o.x),s=Math.min(t.y,o.y),a=Math.max(t.y,o.y);DOM.setTransform(this._box,"translate("+n+"px,"+s+"px)"),this._box.style.width=i-n+"px",this._box.style.height=a-s+"px"},_onMouseUp:function(e){if(0===e.button){var t=this._startPos,o=DOM.mousePos(this._el,e),n=new LngLatBounds(this._map.unproject(t),this._map.unproject(o));this._finish(),t.x===o.x&&t.y===o.y?this._fireEvent("boxzoomcancel",e):this._map.fitBounds(n,{linear:!0}).fire("boxzoomend",{originalEvent:e,boxZoomBounds:n})}},_onKeyDown:function(e){27===e.keyCode&&(this._finish(),this._fireEvent("boxzoomcancel",e))},_finish:function(){this._active=!1,document.removeEventListener("mousemove",this._onMouseMove,!1),document.removeEventListener("keydown",this._onKeyDown,!1),document.removeEventListener("mouseup",this._onMouseUp,!1),this._container.classList.remove("mapboxgl-crosshair"),this._box&&(this._box.parentNode.removeChild(this._box),this._box=null),DOM.enableDrag()},_fireEvent:function(e,t){return this._map.fire(e,{originalEvent:t})}};
-},{"../../geo/lng_lat_bounds":11,"../../util/dom":96,"../../util/util":108}],81:[function(require,module,exports){
-"use strict";function DoubleClickZoomHandler(i){this._map=i,this._onDblClick=this._onDblClick.bind(this)}module.exports=DoubleClickZoomHandler,DoubleClickZoomHandler.prototype={_enabled:!1,isEnabled:function(){return this._enabled},enable:function(){this.isEnabled()||(this._map.on("dblclick",this._onDblClick),this._enabled=!0)},disable:function(){this.isEnabled()&&(this._map.off("dblclick",this._onDblClick),this._enabled=!1)},_onDblClick:function(i){this._map.zoomTo(this._map.getZoom()+(i.originalEvent.shiftKey?-1:1),{around:i.lngLat},i)}};
+},{"point-geometry":194}],75:[function(require,module,exports){
+"use strict";var createStructArrayType=require("../util/struct_array"),Point=require("point-geometry"),CollisionBoxArray=createStructArrayType({members:[{type:"Int16",name:"anchorPointX"},{type:"Int16",name:"anchorPointY"},{type:"Int16",name:"x1"},{type:"Int16",name:"y1"},{type:"Int16",name:"x2"},{type:"Int16",name:"y2"},{type:"Float32",name:"maxScale"},{type:"Uint32",name:"featureIndex"},{type:"Uint16",name:"sourceLayerIndex"},{type:"Uint16",name:"bucketIndex"},{type:"Int16",name:"bbox0"},{type:"Int16",name:"bbox1"},{type:"Int16",name:"bbox2"},{type:"Int16",name:"bbox3"},{type:"Float32",name:"placementScale"}]});Object.defineProperty(CollisionBoxArray.prototype.StructType.prototype,"anchorPoint",{get:function(){return new Point(this.anchorPointX,this.anchorPointY)}}),module.exports=CollisionBoxArray;
+},{"../util/struct_array":124,"point-geometry":194}],76:[function(require,module,exports){
+"use strict";var CollisionFeature=function(t,e,i,o,s,a,n,r,l,d,u){var h=n.top*r-l,x=n.bottom*r+l,f=n.left*r-l,m=n.right*r+l;if(this.boxStartIndex=t.length,d){var _=x-h,b=m-f;if(_>0)if(_=Math.max(10*r,_),u){var v=e[i.segment+1].sub(e[i.segment])._unit()._mult(b),c=[i.sub(v),i.add(v)];this._addLineCollisionBoxes(t,c,i,0,b,_,o,s,a)}else this._addLineCollisionBoxes(t,e,i,i.segment,b,_,o,s,a)}else t.emplaceBack(i.x,i.y,f,h,m,x,1/0,o,s,a,0,0,0,0,0);this.boxEndIndex=t.length};CollisionFeature.prototype._addLineCollisionBoxes=function(t,e,i,o,s,a,n,r,l){var d=a/2,u=Math.floor(s/d),h=-a/2,x=this.boxes,f=i,m=o+1,_=h;do{if(m--,m<0)return x;_-=e[m].dist(f),f=e[m]}while(_>-s/2);for(var b=e[m].dist(e[m+1]),v=0;v<u;v++){for(var c=-s/2+v*d;_+b<c;){if(_+=b,m++,m+1>=e.length)return x;b=e[m].dist(e[m+1])}var g=c-_,p=e[m],C=e[m+1],B=C.sub(p)._unit()._mult(g)._add(p)._round(),M=Math.max(Math.abs(c-h)-d/2,0),y=s/2/M;t.emplaceBack(B.x,B.y,-a/2,-a/2,a/2,a/2,y,n,r,l,0,0,0,0,0)}return x},module.exports=CollisionFeature;
+},{}],77:[function(require,module,exports){
+"use strict";var Point=require("point-geometry"),EXTENT=require("../data/extent"),Grid=require("grid-index"),intersectionTests=require("../util/intersection_tests"),CollisionTile=function(t,e,i){if("object"==typeof t){var r=t;i=e,t=r.angle,e=r.pitch,this.grid=new Grid(r.grid),this.ignoredGrid=new Grid(r.ignoredGrid)}else this.grid=new Grid(EXTENT,12,6),this.ignoredGrid=new Grid(EXTENT,12,0);this.minScale=.5,this.maxScale=2,this.angle=t,this.pitch=e;var a=Math.sin(t),o=Math.cos(t);if(this.rotationMatrix=[o,-a,a,o],this.reverseRotationMatrix=[o,a,-a,o],this.yStretch=1/Math.cos(e/180*Math.PI),this.yStretch=Math.pow(this.yStretch,1.3),this.collisionBoxArray=i,0===i.length){i.emplaceBack();var n=32767;i.emplaceBack(0,0,0,-n,0,n,n,0,0,0,0,0,0,0,0,0),i.emplaceBack(EXTENT,0,0,-n,0,n,n,0,0,0,0,0,0,0,0,0),i.emplaceBack(0,0,-n,0,n,0,n,0,0,0,0,0,0,0,0,0),i.emplaceBack(0,EXTENT,-n,0,n,0,n,0,0,0,0,0,0,0,0,0)}this.tempCollisionBox=i.get(0),this.edges=[i.get(1),i.get(2),i.get(3),i.get(4)]};CollisionTile.prototype.serialize=function(t){var e=this.grid.toArrayBuffer(),i=this.ignoredGrid.toArrayBuffer();return t&&(t.push(e),t.push(i)),{angle:this.angle,pitch:this.pitch,grid:e,ignoredGrid:i}},CollisionTile.prototype.placeCollisionFeature=function(t,e,i){for(var r=this,a=this.collisionBoxArray,o=this.minScale,n=this.rotationMatrix,l=this.yStretch,h=t.boxStartIndex;h<t.boxEndIndex;h++){var s=a.get(h),x=s.anchorPoint._matMult(n),c=x.x,g=x.y,y=c+s.x1,d=g+s.y1*l,m=c+s.x2,u=g+s.y2*l;if(s.bbox0=y,s.bbox1=d,s.bbox2=m,s.bbox3=u,!e)for(var p=r.grid.query(y,d,m,u),M=0;M<p.length;M++){var f=a.get(p[M]),v=f.anchorPoint._matMult(n);if(o=r.getPlacementScale(o,x,s,v,f),o>=r.maxScale)return o}if(i){var S;if(r.angle){var P=r.reverseRotationMatrix,b=new Point(s.x1,s.y1).matMult(P),T=new Point(s.x2,s.y1).matMult(P),w=new Point(s.x1,s.y2).matMult(P),N=new Point(s.x2,s.y2).matMult(P);S=r.tempCollisionBox,S.anchorPointX=s.anchorPoint.x,S.anchorPointY=s.anchorPoint.y,S.x1=Math.min(b.x,T.x,w.x,N.x),S.y1=Math.min(b.y,T.x,w.x,N.x),S.x2=Math.max(b.x,T.x,w.x,N.x),S.y2=Math.max(b.y,T.x,w.x,N.x),S.maxScale=s.maxScale}else S=s;for(var B=0;B<this.edges.length;B++){var G=r.edges[B];if(o=r.getPlacementScale(o,s.anchorPoint,S,G.anchorPoint,G),o>=r.maxScale)return o}}}return o},CollisionTile.prototype.queryRenderedSymbols=function(t,e){var i={},r=[];if(0===t.length||0===this.grid.length&&0===this.ignoredGrid.length)return r;for(var a=this.collisionBoxArray,o=this.rotationMatrix,n=this.yStretch,l=[],h=1/0,s=1/0,x=-(1/0),c=-(1/0),g=0;g<t.length;g++)for(var y=t[g],d=0;d<y.length;d++){var m=y[d].matMult(o);h=Math.min(h,m.x),s=Math.min(s,m.y),x=Math.max(x,m.x),c=Math.max(c,m.y),l.push(m)}for(var u=this.grid.query(h,s,x,c),p=this.ignoredGrid.query(h,s,x,c),M=0;M<p.length;M++)u.push(p[M]);for(var f=Math.pow(2,Math.ceil(Math.log(e)/Math.LN2*10)/10),v=0;v<u.length;v++){var S=a.get(u[v]),P=S.sourceLayerIndex,b=S.featureIndex;if(void 0===i[P]&&(i[P]={}),!i[P][b]&&!(f<S.placementScale||f>S.maxScale)){var T=S.anchorPoint.matMult(o),w=T.x+S.x1/e,N=T.y+S.y1/e*n,B=T.x+S.x2/e,G=T.y+S.y2/e*n,E=[new Point(w,N),new Point(B,N),new Point(B,G),new Point(w,G)];intersectionTests.polygonIntersectsPolygon(l,E)&&(i[P][b]=!0,r.push(u[v]))}}return r},CollisionTile.prototype.getPlacementScale=function(t,e,i,r,a){var o=e.x-r.x,n=e.y-r.y,l=(a.x1-i.x2)/o,h=(a.x2-i.x1)/o,s=(a.y1-i.y2)*this.yStretch/n,x=(a.y2-i.y1)*this.yStretch/n;(isNaN(l)||isNaN(h))&&(l=h=1),(isNaN(s)||isNaN(x))&&(s=x=1);var c=Math.min(Math.max(l,h),Math.max(s,x)),g=a.maxScale,y=i.maxScale;return c>g&&(c=g),c>y&&(c=y),c>t&&c>=a.placementScale&&(t=c),t},CollisionTile.prototype.insertCollisionFeature=function(t,e,i){for(var r=this,a=i?this.ignoredGrid:this.grid,o=this.collisionBoxArray,n=t.boxStartIndex;n<t.boxEndIndex;n++){var l=o.get(n);l.placementScale=e,e<r.maxScale&&a.insert(n,l.bbox0,l.bbox1,l.bbox2,l.bbox3)}},module.exports=CollisionTile;
+},{"../data/extent":11,"../util/intersection_tests":119,"grid-index":154,"point-geometry":194}],78:[function(require,module,exports){
+"use strict";function getAnchors(e,r,t,n,a,l,o,i,h){var c=n?.6*l*o:0,s=Math.max(n?n.right-n.left:0,a?a.right-a.left:0),u=0===e[0].x||e[0].x===h||0===e[0].y||e[0].y===h;r-s*o<r/4&&(r=s*o+r/4);var g=2*l,p=u?r/2*i%r:(s/2+g)*o*i%r;return resample(e,p,r,c,t,s*o,u,!1,h)}function resample(e,r,t,n,a,l,o,i,h){for(var c=l/2,s=0,u=0;u<e.length-1;u++)s+=e[u].dist(e[u+1]);for(var g=0,p=r-t,x=[],f=0;f<e.length-1;f++){for(var v=e[f],m=e[f+1],A=v.dist(m),y=m.angleTo(v);p+t<g+A;){p+=t;var d=(p-g)/A,k=interpolate(v.x,m.x,d),q=interpolate(v.y,m.y,d);if(k>=0&&k<h&&q>=0&&q<h&&p-c>=0&&p+c<=s){var M=new Anchor(k,q,y,f)._round();n&&!checkMaxAngle(e,M,l,n,a)||x.push(M)}}g+=A}return i||x.length||o||(x=resample(e,g/2,t,n,a,l,o,!0,h)),x}var interpolate=require("../util/interpolate"),Anchor=require("../symbol/anchor"),checkMaxAngle=require("./check_max_angle");module.exports=getAnchors;
+},{"../symbol/anchor":72,"../util/interpolate":118,"./check_max_angle":73}],79:[function(require,module,exports){
+"use strict";var ShelfPack=require("shelf-pack"),util=require("../util/util"),SIZE_GROWTH_RATE=4,DEFAULT_SIZE=128,MAX_SIZE=2048,GlyphAtlas=function(){this.width=DEFAULT_SIZE,this.height=DEFAULT_SIZE,this.bin=new ShelfPack(this.width,this.height),this.index={},this.ids={},this.data=new Uint8Array(this.width*this.height)};GlyphAtlas.prototype.getGlyphs=function(){var t,i,e,h={};for(var r in this.ids)t=r.split("#"),i=t[0],e=t[1],h[i]||(h[i]=[]),h[i].push(e);return h},GlyphAtlas.prototype.getRects=function(){var t,i,e,h=this,r={};for(var s in this.ids)t=s.split("#"),i=t[0],e=t[1],r[i]||(r[i]={}),r[i][e]=h.index[s];return r},GlyphAtlas.prototype.addGlyph=function(t,i,e,h){var r=this;if(!e)return null;var s=i+"#"+e.id;if(this.index[s])return this.ids[s].indexOf(t)<0&&this.ids[s].push(t),this.index[s];if(!e.bitmap)return null;var a=e.width+2*h,n=e.height+2*h,E=1,T=a+2*E,u=n+2*E;T+=4-T%4,u+=4-u%4;var l=this.bin.packOne(T,u);if(l||(this.resize(),l=this.bin.packOne(T,u)),!l)return util.warnOnce("glyph bitmap overflow"),null;this.index[s]=l,this.ids[s]=[t];for(var d=this.data,A=e.bitmap,_=0;_<n;_++)for(var p=r.width*(l.y+_+E)+l.x+E,o=a*_,R=0;R<a;R++)d[p+R]=A[o+R];return this.dirty=!0,l},GlyphAtlas.prototype.resize=function(){var t=this,i=this.width,e=this.height;if(!(i>=MAX_SIZE||e>=MAX_SIZE)){this.texture&&(this.gl&&this.gl.deleteTexture(this.texture),this.texture=null),this.width*=SIZE_GROWTH_RATE,this.height*=SIZE_GROWTH_RATE,this.bin.resize(this.width,this.height);for(var h=new ArrayBuffer(this.width*this.height),r=0;r<e;r++){var s=new Uint8Array(t.data.buffer,e*r,i),a=new Uint8Array(h,e*r*SIZE_GROWTH_RATE,i);a.set(s)}this.data=new Uint8Array(h)}},GlyphAtlas.prototype.bind=function(t){this.gl=t,this.texture?t.bindTexture(t.TEXTURE_2D,this.texture):(this.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),t.texImage2D(t.TEXTURE_2D,0,t.ALPHA,this.width,this.height,0,t.ALPHA,t.UNSIGNED_BYTE,null))},GlyphAtlas.prototype.updateTexture=function(t){this.bind(t),this.dirty&&(t.texSubImage2D(t.TEXTURE_2D,0,0,0,this.width,this.height,t.ALPHA,t.UNSIGNED_BYTE,this.data),this.dirty=!1)},module.exports=GlyphAtlas;
+},{"../util/util":126,"shelf-pack":197}],80:[function(require,module,exports){
+"use strict";function glyphUrl(t,e,a,l){return l=l||"abc",a.replace("{s}",l[t.length%l.length]).replace("{fontstack}",t).replace("{range}",e)}var normalizeURL=require("../util/mapbox").normalizeGlyphsURL,ajax=require("../util/ajax"),verticalizePunctuation=require("../util/verticalize_punctuation"),Glyphs=require("../util/glyphs"),GlyphAtlas=require("../symbol/glyph_atlas"),Protobuf=require("pbf"),SimpleGlyph=function(t,e,a){var l=1;this.advance=t.advance,this.left=t.left-a-l,this.top=t.top+a+l,this.rect=e},GlyphSource=function(t){this.url=t&&normalizeURL(t),this.atlases={},this.stacks={},this.loading={}};GlyphSource.prototype.getSimpleGlyphs=function(t,e,a,l){var i=this;void 0===this.stacks[t]&&(this.stacks[t]={}),void 0===this.atlases[t]&&(this.atlases[t]=new GlyphAtlas);for(var r={},o=this.stacks[t],s=this.atlases[t],n=3,h={},p=0,u=function(e){var l=Math.floor(e/256);if(o[l]){var i=o[l].glyphs[e],u=s.addGlyph(a,t,i,n);i&&(r[e]=new SimpleGlyph(i,u,n))}else void 0===h[l]&&(h[l]=[],p++),h[l].push(e)},c=0;c<e.length;c++){var y=e[c],f=String.fromCharCode(y);u(y),verticalizePunctuation.lookup[f]&&u(verticalizePunctuation.lookup[f].charCodeAt(0))}p||l(void 0,r,t);var v=function(e,o,u){if(!e)for(var c=i.stacks[t][o]=u.stacks[0],y=0;y<h[o].length;y++){var f=h[o][y],v=c.glyphs[f],d=s.addGlyph(a,t,v,n);v&&(r[f]=new SimpleGlyph(v,d,n))}p--,p||l(void 0,r,t)};for(var d in h)i.loadRange(t,d,v)},GlyphSource.prototype.loadRange=function(t,e,a){if(256*e>65535)return a("glyphs > 65535 not supported");void 0===this.loading[t]&&(this.loading[t]={});var l=this.loading[t];if(l[e])l[e].push(a);else{l[e]=[a];var i=256*e+"-"+(256*e+255),r=glyphUrl(t,i,this.url);ajax.getArrayBuffer(r,function(t,a){for(var i=!t&&new Glyphs(new Protobuf(a)),r=0;r<l[e].length;r++)l[e][r](t,e,i);delete l[e]})}},GlyphSource.prototype.getGlyphAtlas=function(t){return this.atlases[t]},module.exports=GlyphSource;
+},{"../symbol/glyph_atlas":79,"../util/ajax":106,"../util/glyphs":117,"../util/mapbox":122,"../util/verticalize_punctuation":128,"pbf":193}],81:[function(require,module,exports){
+"use strict";module.exports=function(e){function t(t){g.push(e[t]),l++}function r(e,t,r){var n=u[e];return delete u[e],u[t]=n,g[n].geometry[0].pop(),g[n].geometry[0]=g[n].geometry[0].concat(r[0]),n}function n(e,t,r){var n=i[t];return delete i[t],i[e]=n,g[n].geometry[0].shift(),g[n].geometry[0]=r[0].concat(g[n].geometry[0]),n}function o(e,t,r){var n=r?t[0][t[0].length-1]:t[0][0];return e+":"+n.x+":"+n.y}for(var i={},u={},g=[],l=0,m=0;m<e.length;m++){var y=e[m],c=y.geometry,f=y.text;if(f){var a=o(f,c),s=o(f,c,!0);if(a in u&&s in i&&u[a]!==i[s]){var v=n(a,s,c),d=r(a,s,g[v].geometry);delete i[a],delete u[s],u[o(f,g[d].geometry,!0)]=d,g[v].geometry=null}else a in u?r(a,s,c):s in i?n(a,s,c):(t(m),i[a]=l-1,u[s]=l-1)}else t(m)}return g.filter(function(e){return e.geometry})};
 },{}],82:[function(require,module,exports){
-"use strict";function DragPanHandler(t){this._map=t,this._el=t.getCanvasContainer(),util.bindHandlers(this)}var DOM=require("../../util/dom"),util=require("../../util/util");module.exports=DragPanHandler;var inertiaLinearity=.3,inertiaEasing=util.bezier(0,0,inertiaLinearity,1),inertiaMaxSpeed=1400,inertiaDeceleration=2500;DragPanHandler.prototype={_enabled:!1,_active:!1,isEnabled:function(){return this._enabled},isActive:function(){return this._active},enable:function(){this.isEnabled()||(this._el.addEventListener("mousedown",this._onDown),this._el.addEventListener("touchstart",this._onDown),this._enabled=!0)},disable:function(){this.isEnabled()&&(this._el.removeEventListener("mousedown",this._onDown),this._el.removeEventListener("touchstart",this._onDown),this._enabled=!1)},_onDown:function(t){this._ignoreEvent(t)||this.isActive()||(t.touches?(document.addEventListener("touchmove",this._onMove),document.addEventListener("touchend",this._onTouchEnd)):(document.addEventListener("mousemove",this._onMove),document.addEventListener("mouseup",this._onMouseUp)),this._active=!1,this._startPos=this._pos=DOM.mousePos(this._el,t),this._inertia=[[Date.now(),this._pos]])},_onMove:function(t){if(!this._ignoreEvent(t)){this.isActive()||(this._active=!0,this._fireEvent("dragstart",t),this._fireEvent("movestart",t));var e=DOM.mousePos(this._el,t),i=this._map;i.stop(),this._drainInertiaBuffer(),this._inertia.push([Date.now(),e]),i.transform.setLocationAtPoint(i.transform.pointLocation(this._pos),e),this._fireEvent("drag",t),this._fireEvent("move",t),this._pos=e,t.preventDefault()}},_onUp:function(t){if(this.isActive()){this._active=!1,this._fireEvent("dragend",t),this._drainInertiaBuffer();var e=function(){this._fireEvent("moveend",t)}.bind(this),i=this._inertia;if(i.length<2)return void e();var n=i[i.length-1],o=i[0],r=n[1].sub(o[1]),s=(n[0]-o[0])/1e3;if(0===s||n[1].equals(o[1]))return void e();var a=r.mult(inertiaLinearity/s),u=a.mag();u>inertiaMaxSpeed&&(u=inertiaMaxSpeed,a._unit()._mult(u));var h=u/(inertiaDeceleration*inertiaLinearity),v=a.mult(-h/2);this._map.panBy(v,{duration:1e3*h,easing:inertiaEasing,noMoveStart:!0},{originalEvent:t})}},_onMouseUp:function(t){this._ignoreEvent(t)||(this._onUp(t),document.removeEventListener("mousemove",this._onMove),document.removeEventListener("mouseup",this._onMouseUp))},_onTouchEnd:function(t){this._ignoreEvent(t)||(this._onUp(t),document.removeEventListener("touchmove",this._onMove),document.removeEventListener("touchend",this._onTouchEnd))},_fireEvent:function(t,e){return this._map.fire(t,{originalEvent:e})},_ignoreEvent:function(t){var e=this._map;if(e.boxZoom&&e.boxZoom.isActive())return!0;if(e.dragRotate&&e.dragRotate.isActive())return!0;if(t.touches)return t.touches.length>1;if(t.ctrlKey)return!0;var i=1,n=0;return"mousemove"===t.type?t.buttons&0===i:t.button!==n},_drainInertiaBuffer:function(){for(var t=this._inertia,e=Date.now(),i=160;t.length>0&&e-t[0][0]>i;)t.shift()}};
-},{"../../util/dom":96,"../../util/util":108}],83:[function(require,module,exports){
-"use strict";function DragRotateHandler(e,t){this._map=e,this._el=e.getCanvasContainer(),this._bearingSnap=t.bearingSnap,util.bindHandlers(this)}var DOM=require("../../util/dom"),Point=require("point-geometry"),util=require("../../util/util");module.exports=DragRotateHandler;var inertiaLinearity=.25,inertiaEasing=util.bezier(0,0,inertiaLinearity,1),inertiaMaxSpeed=180,inertiaDeceleration=720;DragRotateHandler.prototype={_enabled:!1,_active:!1,isEnabled:function(){return this._enabled},isActive:function(){return this._active},enable:function(){this.isEnabled()||(this._el.addEventListener("mousedown",this._onDown),this._enabled=!0)},disable:function(){this.isEnabled()&&(this._el.removeEventListener("mousedown",this._onDown),this._enabled=!1)},_onDown:function(e){if(!this._ignoreEvent(e)&&!this.isActive()){document.addEventListener("mousemove",this._onMove),document.addEventListener("mouseup",this._onUp),this._active=!1,this._inertia=[[Date.now(),this._map.getBearing()]],this._startPos=this._pos=DOM.mousePos(this._el,e),this._center=this._map.transform.centerPoint;var t=this._startPos.sub(this._center),i=t.mag();200>i&&(this._center=this._startPos.add(new Point(-200,0)._rotate(t.angle()))),e.preventDefault()}},_onMove:function(e){if(!this._ignoreEvent(e)){this.isActive()||(this._active=!0,this._fireEvent("rotatestart",e),this._fireEvent("movestart",e));var t=this._map;t.stop();var i=this._pos,n=DOM.mousePos(this._el,e),r=this._center,a=i.sub(r).angleWith(n.sub(r))/Math.PI*180,s=t.getBearing()-a,o=this._inertia,h=o[o.length-1];this._drainInertiaBuffer(),o.push([Date.now(),t._normalizeBearing(s,h[1])]),t.transform.bearing=s,this._fireEvent("rotate",e),this._fireEvent("move",e),this._pos=n}},_onUp:function(e){if(!this._ignoreEvent(e)&&(document.removeEventListener("mousemove",this._onMove),document.removeEventListener("mouseup",this._onUp),this.isActive())){this._active=!1,this._fireEvent("rotateend",e),this._drainInertiaBuffer();var t=this._map,i=t.getBearing(),n=this._inertia,r=function(){Math.abs(i)<this._bearingSnap?t.resetNorth({noMoveStart:!0},{originalEvent:e}):this._fireEvent("moveend",e)}.bind(this);if(n.length<2)return void r();var a=n[0],s=n[n.length-1],o=n[n.length-2],h=t._normalizeBearing(i,o[1]),_=s[1]-a[1],v=0>_?-1:1,u=(s[0]-a[0])/1e3;if(0===_||0===u)return void r();var l=Math.abs(_*(inertiaLinearity/u));l>inertiaMaxSpeed&&(l=inertiaMaxSpeed);var d=l/(inertiaDeceleration*inertiaLinearity),g=v*l*(d/2);h+=g,Math.abs(t._normalizeBearing(h,0))<this._bearingSnap&&(h=t._normalizeBearing(0,h)),t.rotateTo(h,{duration:1e3*d,easing:inertiaEasing,noMoveStart:!0},{originalEvent:e})}},_fireEvent:function(e,t){return this._map.fire(e,{originalEvent:t})},_ignoreEvent:function(e){var t=this._map;if(t.boxZoom&&t.boxZoom.isActive())return!0;if(t.dragPan&&t.dragPan.isActive())return!0;if(e.touches)return e.touches.length>1;var i=e.ctrlKey?1:2,n=e.ctrlKey?0:2;return"mousemove"===e.type?e.buttons&0===i:e.button!==n},_drainInertiaBuffer:function(){for(var e=this._inertia,t=Date.now(),i=160;e.length>0&&t-e[0][0]>i;)e.shift()}};
-},{"../../util/dom":96,"../../util/util":108,"point-geometry":176}],84:[function(require,module,exports){
-"use strict";function KeyboardHandler(e){this._map=e,this._el=e.getCanvasContainer(),this._onKeyDown=this._onKeyDown.bind(this)}module.exports=KeyboardHandler;var panDelta=80,rotateDelta=2,pitchDelta=5;KeyboardHandler.prototype={_enabled:!1,isEnabled:function(){return this._enabled},enable:function(){this.isEnabled()||(this._el.addEventListener("keydown",this._onKeyDown,!1),this._enabled=!0)},disable:function(){this.isEnabled()&&(this._el.removeEventListener("keydown",this._onKeyDown),this._enabled=!1)},_onKeyDown:function(e){if(!(e.altKey||e.ctrlKey||e.metaKey)){var t=this._map,a={originalEvent:e};if(!t.isEasing())switch(e.keyCode){case 61:case 107:case 171:case 187:t.zoomTo(Math.round(t.getZoom())+(e.shiftKey?2:1),a);break;case 189:case 109:case 173:t.zoomTo(Math.round(t.getZoom())-(e.shiftKey?2:1),a);break;case 37:e.shiftKey?t.easeTo({bearing:t.getBearing()-rotateDelta},a):(e.preventDefault(),t.panBy([-panDelta,0],a));break;case 39:e.shiftKey?t.easeTo({bearing:t.getBearing()+rotateDelta},a):(e.preventDefault(),t.panBy([panDelta,0],a));break;case 38:e.shiftKey?t.easeTo({pitch:t.getPitch()+pitchDelta},a):(e.preventDefault(),t.panBy([0,-panDelta],a));break;case 40:e.shiftKey?t.easeTo({pitch:Math.max(t.getPitch()-pitchDelta,0)},a):(e.preventDefault(),t.panBy([0,panDelta],a))}}}};
-},{}],85:[function(require,module,exports){
-"use strict";function ScrollZoomHandler(e){this._map=e,this._el=e.getCanvasContainer(),util.bindHandlers(this)}var DOM=require("../../util/dom"),browser=require("../../util/browser"),util=require("../../util/util");module.exports=ScrollZoomHandler;var ua="undefined"!=typeof navigator?navigator.userAgent.toLowerCase():"",firefox=-1!==ua.indexOf("firefox"),safari=-1!==ua.indexOf("safari")&&-1===ua.indexOf("chrom");ScrollZoomHandler.prototype={_enabled:!1,isEnabled:function(){return this._enabled},enable:function(){this.isEnabled()||(this._el.addEventListener("wheel",this._onWheel,!1),this._el.addEventListener("mousewheel",this._onWheel,!1),this._enabled=!0)},disable:function(){this.isEnabled()&&(this._el.removeEventListener("wheel",this._onWheel),this._el.removeEventListener("mousewheel",this._onWheel),this._enabled=!1)},_onWheel:function(e){var t;"wheel"===e.type?(t=e.deltaY,firefox&&e.deltaMode===window.WheelEvent.DOM_DELTA_PIXEL&&(t/=browser.devicePixelRatio),e.deltaMode===window.WheelEvent.DOM_DELTA_LINE&&(t*=40)):"mousewheel"===e.type&&(t=-e.wheelDeltaY,safari&&(t/=3));var i=browser.now(),o=i-(this._time||0);this._pos=DOM.mousePos(this._el,e),this._time=i,0!==t&&t%4.000244140625===0?(this._type="wheel",t=Math.floor(t/4)):0!==t&&Math.abs(t)<4?this._type="trackpad":o>400?(this._type=null,this._lastValue=t,this._timeout=setTimeout(this._onTimeout,40)):this._type||(this._type=Math.abs(o*t)<200?"trackpad":"wheel",this._timeout&&(clearTimeout(this._timeout),this._timeout=null,t+=this._lastValue)),e.shiftKey&&t&&(t/=4),this._type&&this._zoom(-t,e),e.preventDefault()},_onTimeout:function(){this._type="wheel",this._zoom(-this._lastValue)},_zoom:function(e,t){if(0!==e){var i=this._map,o=2/(1+Math.exp(-Math.abs(e/100)));0>e&&0!==o&&(o=1/o);var s=i.ease?i.ease.to:i.transform.scale,a=i.transform.scaleZoom(s*o);i.zoomTo(a,{duration:0,around:i.unproject(this._pos),delayEndEvents:200},{originalEvent:t})}}};
-},{"../../util/browser":93,"../../util/dom":96,"../../util/util":108}],86:[function(require,module,exports){
-"use strict";function TouchZoomRotateHandler(t){this._map=t,this._el=t.getCanvasContainer(),util.bindHandlers(this)}var DOM=require("../../util/dom"),util=require("../../util/util");module.exports=TouchZoomRotateHandler;var inertiaLinearity=.15,inertiaEasing=util.bezier(0,0,inertiaLinearity,1),inertiaDeceleration=12,inertiaMaxSpeed=2.5,significantScaleThreshold=.15,significantRotateThreshold=4;TouchZoomRotateHandler.prototype={_enabled:!1,isEnabled:function(){return this._enabled},enable:function(){this.isEnabled()||(this._el.addEventListener("touchstart",this._onStart,!1),this._enabled=!0)},disable:function(){this.isEnabled()&&(this._el.removeEventListener("touchstart",this._onStart),this._enabled=!1)},disableRotation:function(){this._rotationDisabled=!0},enableRotation:function(){this._rotationDisabled=!1},_onStart:function(t){if(2===t.touches.length){var e=DOM.mousePos(this._el,t.touches[0]),i=DOM.mousePos(this._el,t.touches[1]);this._startVec=e.sub(i),this._startScale=this._map.transform.scale,this._startBearing=this._map.transform.bearing,this._gestureIntent=void 0,this._inertia=[],document.addEventListener("touchmove",this._onMove,!1),document.addEventListener("touchend",this._onEnd,!1)}},_onMove:function(t){if(2===t.touches.length){var e=DOM.mousePos(this._el,t.touches[0]),i=DOM.mousePos(this._el,t.touches[1]),n=e.add(i).div(2),a=e.sub(i),s=a.mag()/this._startVec.mag(),r=this._rotationDisabled?0:180*a.angleWith(this._startVec)/Math.PI,o=this._map;if(this._gestureIntent){var h={duration:0,around:o.unproject(n)};"rotate"===this._gestureIntent&&(h.bearing=this._startBearing+r),"zoom"!==this._gestureIntent&&"rotate"!==this._gestureIntent||(h.zoom=o.transform.scaleZoom(this._startScale*s)),o.stop(),this._drainInertiaBuffer(),this._inertia.push([Date.now(),s,n]),o.easeTo(h,{originalEvent:t})}else{var u=Math.abs(1-s)>significantScaleThreshold,l=Math.abs(r)>significantRotateThreshold;l?this._gestureIntent="rotate":u&&(this._gestureIntent="zoom"),this._gestureIntent&&(this._startVec=a,this._startScale=o.transform.scale,this._startBearing=o.transform.bearing)}t.preventDefault()}},_onEnd:function(t){document.removeEventListener("touchmove",this._onMove),document.removeEventListener("touchend",this._onEnd),this._drainInertiaBuffer();var e=this._inertia,i=this._map;if(e.length<2)return void i.snapToNorth({},{originalEvent:t});var n=e[e.length-1],a=e[0],s=i.transform.scaleZoom(this._startScale*n[1]),r=i.transform.scaleZoom(this._startScale*a[1]),o=s-r,h=(n[0]-a[0])/1e3,u=n[2];if(0===h||s===r)return void i.snapToNorth({},{originalEvent:t});var l=o*inertiaLinearity/h;Math.abs(l)>inertiaMaxSpeed&&(l=l>0?inertiaMaxSpeed:-inertiaMaxSpeed);var d=1e3*Math.abs(l/(inertiaDeceleration*inertiaLinearity)),_=s+l*d/2e3;0>_&&(_=0),i.easeTo({zoom:_,duration:d,easing:inertiaEasing,around:i.unproject(u)},{originalEvent:t})},_drainInertiaBuffer:function(){for(var t=this._inertia,e=Date.now(),i=160;t.length>2&&e-t[0][0]>i;)t.shift()}};
-},{"../../util/dom":96,"../../util/util":108}],87:[function(require,module,exports){
-"use strict";function Hash(){util.bindAll(["_onHashChange","_updateHash"],this)}module.exports=Hash;var util=require("../util/util");Hash.prototype={addTo:function(t){return this._map=t,window.addEventListener("hashchange",this._onHashChange,!1),this._map.on("moveend",this._updateHash),this},remove:function(){return window.removeEventListener("hashchange",this._onHashChange,!1),this._map.off("moveend",this._updateHash),delete this._map,this},_onHashChange:function(){var t=location.hash.replace("#","").split("/");return t.length>=3?(this._map.jumpTo({center:[+t[2],+t[1]],zoom:+t[0],bearing:+(t[3]||0)}),!0):!1},_updateHash:function(){var t=this._map.getCenter(),e=this._map.getZoom(),a=this._map.getBearing(),h=Math.max(0,Math.ceil(Math.log(e)/Math.LN2)),n="#"+Math.round(100*e)/100+"/"+t.lat.toFixed(h)+"/"+t.lng.toFixed(h)+(a?"/"+Math.round(10*a)/10:"");window.history.replaceState("","",n)}};
-},{"../util/util":108}],88:[function(require,module,exports){
-"use strict";function removeNode(t){t.parentNode&&t.parentNode.removeChild(t)}var Canvas=require("../util/canvas"),util=require("../util/util"),browser=require("../util/browser"),window=require("../util/browser").window,Evented=require("../util/evented"),DOM=require("../util/dom"),Style=require("../style/style"),AnimationLoop=require("../style/animation_loop"),Painter=require("../render/painter"),Transform=require("../geo/transform"),Hash=require("./hash"),bindHandlers=require("./bind_handlers"),Camera=require("./camera"),LngLat=require("../geo/lng_lat"),LngLatBounds=require("../geo/lng_lat_bounds"),Point=require("point-geometry"),Attribution=require("./control/attribution"),defaultMinZoom=0,defaultMaxZoom=20,defaultOptions={center:[0,0],zoom:0,bearing:0,pitch:0,minZoom:defaultMinZoom,maxZoom:defaultMaxZoom,interactive:!0,scrollZoom:!0,boxZoom:!0,dragRotate:!0,dragPan:!0,keyboard:!0,doubleClickZoom:!0,touchZoomRotate:!0,bearingSnap:7,hash:!1,attributionControl:!0,failIfMajorPerformanceCaveat:!1,preserveDrawingBuffer:!1,trackResize:!0,workerCount:Math.max(browser.hardwareConcurrency-1,1)},Map=module.exports=function(t){if(t=util.extend({},defaultOptions,t),t.workerCount<1)throw new Error("workerCount must an integer greater than or equal to 1.");this._interactive=t.interactive,this._failIfMajorPerformanceCaveat=t.failIfMajorPerformanceCaveat,this._preserveDrawingBuffer=t.preserveDrawingBuffer,this._trackResize=t.trackResize,this._workerCount=t.workerCount,this._bearingSnap=t.bearingSnap,"string"==typeof t.container?this._container=document.getElementById(t.container):this._container=t.container,this.animationLoop=new AnimationLoop,this.transform=new Transform(t.minZoom,t.maxZoom),t.maxBounds&&this.setMaxBounds(t.maxBounds),util.bindAll(["_forwardStyleEvent","_forwardSourceEvent","_forwardLayerEvent","_forwardTileEvent","_onStyleLoad","_onStyleChange","_onSourceAdd","_onSourceRemove","_onSourceUpdate","_onWindowOnline","_onWindowResize","onError","_update","_render"],this),this._setupContainer(),this._setupPainter(),this.on("move",this._update.bind(this,!1)),this.on("zoom",this._update.bind(this,!0)),this.on("moveend",function(){this.animationLoop.set(300),this._rerender()}.bind(this)),"undefined"!=typeof window&&(window.addEventListener("online",this._onWindowOnline,!1),window.addEventListener("resize",this._onWindowResize,!1)),bindHandlers(this,t),this._hash=t.hash&&(new Hash).addTo(this),this._hash&&this._hash._onHashChange()||this.jumpTo({center:t.center,zoom:t.zoom,bearing:t.bearing,pitch:t.pitch}),this.stacks={},this._classes=[],this.resize(),t.classes&&this.setClasses(t.classes),t.style&&this.setStyle(t.style),t.attributionControl&&this.addControl(new Attribution(t.attributionControl)),this.on("error",this.onError),this.on("style.error",this.onError),this.on("source.error",this.onError),this.on("tile.error",this.onError),this.on("layer.error",this.onError)};util.extend(Map.prototype,Evented),util.extend(Map.prototype,Camera.prototype),util.extend(Map.prototype,{addControl:function(t){return t.addTo(this),this},addClass:function(t,e){return this._classes.indexOf(t)>=0||""===t?this:(this._classes.push(t),this._classOptions=e,this.style&&this.style.updateClasses(),this._update(!0))},removeClass:function(t,e){var r=this._classes.indexOf(t);return 0>r||""===t?this:(this._classes.splice(r,1),this._classOptions=e,this.style&&this.style.updateClasses(),this._update(!0))},setClasses:function(t,e){for(var r={},o=0;o<t.length;o++)""!==t[o]&&(r[t[o]]=!0);return this._classes=Object.keys(r),this._classOptions=e,this.style&&this.style.updateClasses(),this._update(!0)},hasClass:function(t){return this._classes.indexOf(t)>=0},getClasses:function(){return this._classes},resize:function(){var t=0,e=0;return this._container&&(t=this._container.offsetWidth||400,e=this._container.offsetHeight||300),this._canvas.resize(t,e),this.transform.resize(t,e),this.painter.resize(t,e),this.fire("movestart").fire("move").fire("resize").fire("moveend")},getBounds:function(){var t=new LngLatBounds(this.transform.pointLocation(new Point(0,0)),this.transform.pointLocation(this.transform.size));return(this.transform.angle||this.transform.pitch)&&(t.extend(this.transform.pointLocation(new Point(this.transform.size.x,0))),t.extend(this.transform.pointLocation(new Point(0,this.transform.size.y)))),t},setMaxBounds:function(t){if(t){var e=LngLatBounds.convert(t);this.transform.lngRange=[e.getWest(),e.getEast()],this.transform.latRange=[e.getSouth(),e.getNorth()],this.transform._constrain(),this._update()}else null!==t&&void 0!==t||(this.transform.lngRange=[],this.transform.latRange=[],this._update());return this},setMinZoom:function(t){if(t=null===t||void 0===t?defaultMinZoom:t,t>=defaultMinZoom&&t<=this.transform.maxZoom)return this.transform.minZoom=t,this._update(),this.getZoom()<t&&this.setZoom(t),this;throw new Error("minZoom must be between "+defaultMinZoom+" and the current maxZoom, inclusive")},setMaxZoom:function(t){if(t=null===t||void 0===t?defaultMaxZoom:t,t>=this.transform.minZoom&&defaultMaxZoom>=t)return this.transform.maxZoom=t,this._update(),this.getZoom()>t&&this.setZoom(t),this;throw new Error("maxZoom must be between the current minZoom and "+defaultMaxZoom+", inclusive")},project:function(t){return this.transform.locationPoint(LngLat.convert(t))},unproject:function(t){return this.transform.pointLocation(Point.convert(t))},queryRenderedFeatures:function(t,e){t instanceof Point||Array.isArray(t)||(e=t,t=void 0);var r=this._makeQueryGeometry(t);return this.style.queryRenderedFeatures(r,e,this.transform.zoom,this.transform.angle)},_makeQueryGeometry:function(t){void 0===t&&(t=[Point.convert([0,0]),Point.convert([this.transform.width,this.transform.height])]);var e,r=t instanceof Point||"number"==typeof t[0];if(r){var o=Point.convert(t);e=[o]}else{var i=[Point.convert(t[0]),Point.convert(t[1])];e=[i[0],new Point(i[1].x,i[0].y),i[1],new Point(i[0].x,i[1].y),i[0]]}return e=e.map(function(t){return this.transform.pointCoordinate(t)}.bind(this))},querySourceFeatures:function(t,e){return this.style.querySourceFeatures(t,e)},setStyle:function(t){return this.style&&(this.style.off("load",this._onStyleLoad).off("error",this._forwardStyleEvent).off("change",this._onStyleChange).off("source.add",this._onSourceAdd).off("source.remove",this._onSourceRemove).off("source.load",this._onSourceUpdate).off("source.error",this._forwardSourceEvent).off("source.change",this._onSourceUpdate).off("layer.add",this._forwardLayerEvent).off("layer.remove",this._forwardLayerEvent).off("layer.error",this._forwardLayerEvent).off("tile.add",this._forwardTileEvent).off("tile.remove",this._forwardTileEvent).off("tile.load",this._update).off("tile.error",this._forwardTileEvent).off("tile.stats",this._forwardTileEvent)._remove(),this.off("rotate",this.style._redoPlacement),this.off("pitch",this.style._redoPlacement)),t?(t instanceof Style?this.style=t:this.style=new Style(t,this.animationLoop,this._workerCount),this.style.on("load",this._onStyleLoad).on("error",this._forwardStyleEvent).on("change",this._onStyleChange).on("source.add",this._onSourceAdd).on("source.remove",this._onSourceRemove).on("source.load",this._onSourceUpdate).on("source.error",this._forwardSourceEvent).on("source.change",this._onSourceUpdate).on("layer.add",this._forwardLayerEvent).on("layer.remove",this._forwardLayerEvent).on("layer.error",this._forwardLayerEvent).on("tile.add",this._forwardTileEvent).on("tile.remove",this._forwardTileEvent).on("tile.load",this._update).on("tile.error",this._forwardTileEvent).on("tile.stats",this._forwardTileEvent),this.on("rotate",this.style._redoPlacement),this.on("pitch",this.style._redoPlacement),this):(this.style=null,this)},getStyle:function(){return this.style?this.style.serialize():void 0},addSource:function(t,e){return this.style.addSource(t,e),this._update(!0),this},removeSource:function(t){return this.style.removeSource(t),this._update(!0),this},getSource:function(t){return this.style.getSource(t)},addLayer:function(t,e){return this.style.addLayer(t,e),this._update(!0),this},removeLayer:function(t){return this.style.removeLayer(t),this._update(!0),this},getLayer:function(t){return this.style.getLayer(t)},setFilter:function(t,e){return this.style.setFilter(t,e),this._update(!0),this},setLayerZoomRange:function(t,e,r){return this.style.setLayerZoomRange(t,e,r),this._update(!0),this},getFilter:function(t){return this.style.getFilter(t)},setPaintProperty:function(t,e,r,o){return this.style.setPaintProperty(t,e,r,o),this._update(!0),this},getPaintProperty:function(t,e,r){return this.style.getPaintProperty(t,e,r)},setLayoutProperty:function(t,e,r){return this.style.setLayoutProperty(t,e,r),this._update(!0),this},getLayoutProperty:function(t,e){return this.style.getLayoutProperty(t,e)},getContainer:function(){return this._container},getCanvasContainer:function(){return this._canvasContainer},getCanvas:function(){return this._canvas.getElement()},_setupContainer:function(){var t=this._container;t.classList.add("mapboxgl-map");var e=this._canvasContainer=DOM.create("div","mapboxgl-canvas-container",t);this._interactive&&e.classList.add("mapboxgl-interactive"),this._canvas=new Canvas(this,e);var r=this._controlContainer=DOM.create("div","mapboxgl-control-container",t),o=this._controlCorners={};["top-left","top-right","bottom-left","bottom-right"].forEach(function(t){o[t]=DOM.create("div","mapboxgl-ctrl-"+t,r)})},_setupPainter:function(){var t=this._canvas.getWebGLContext({failIfMajorPerformanceCaveat:this._failIfMajorPerformanceCaveat,preserveDrawingBuffer:this._preserveDrawingBuffer});return t?void(this.painter=new Painter(t,this.transform)):void this.fire("error",{error:new Error("Failed to initialize WebGL")})},_contextLost:function(t){t.preventDefault(),this._frameId&&browser.cancelFrame(this._frameId),this.fire("webglcontextlost",{originalEvent:t})},_contextRestored:function(t){this._setupPainter(),this.resize(),this._update(),this.fire("webglcontextrestored",{originalEvent:t})},loaded:function(){return this._styleDirty||this._sourcesDirty?!1:!(!this.style||!this.style.loaded())},_update:function(t){return this.style?(this._styleDirty=this._styleDirty||t,this._sourcesDirty=!0,this._rerender(),this):this},_render:function(){try{this.style&&this._styleDirty&&(this._styleDirty=!1,this.style.update(this._classes,this._classOptions),this._classOptions=null,this.style._recalculate(this.transform.zoom)),this.style&&this._sourcesDirty&&(this._sourcesDirty=!1,this.style._updateSources(this.transform)),this.painter.render(this.style,{debug:this.showTileBoundaries,showOverdrawInspector:this._showOverdrawInspector,vertices:this.vertices,rotating:this.rotating,zooming:this.zooming}),this.fire("render"),this.loaded()&&!this._loaded&&(this._loaded=!0,this.fire("load")),this._frameId=null,this.animationLoop.stopped()||(this._styleDirty=!0),(this._sourcesDirty||this._repaint||!this.animationLoop.stopped())&&this._rerender()}catch(t){this.fire("error",{error:t})}return this},remove:function(){this._hash&&this._hash.remove(),browser.cancelFrame(this._frameId),this.setStyle(null),"undefined"!=typeof window&&window.removeEventListener("resize",this._onWindowResize,!1),removeNode(this._canvasContainer),removeNode(this._controlContainer),this._container.classList.remove("mapboxgl-map")},onError:function(t){console.error(t.error)},_rerender:function(){this.style&&!this._frameId&&(this._frameId=browser.frame(this._render))},_forwardStyleEvent:function(t){this.fire("style."+t.type,util.extend({style:t.target},t))},_forwardSourceEvent:function(t){this.fire(t.type,util.extend({style:t.target},t))},_forwardLayerEvent:function(t){this.fire(t.type,util.extend({style:t.target},t))},_forwardTileEvent:function(t){this.fire(t.type,util.extend({style:t.target},t))},_onStyleLoad:function(t){this.transform.unmodified&&this.jumpTo(this.style.stylesheet),this.style.update(this._classes,{transition:!1}),this._forwardStyleEvent(t)},_onStyleChange:function(t){this._update(!0),this._forwardStyleEvent(t)},_onSourceAdd:function(t){var e=t.source;e.onAdd&&e.onAdd(this),this._forwardSourceEvent(t)},_onSourceRemove:function(t){var e=t.source;e.onRemove&&e.onRemove(this),this._forwardSourceEvent(t)},_onSourceUpdate:function(t){this._update(),this._forwardSourceEvent(t)},_onWindowOnline:function(){this._update()},_onWindowResize:function(){this._trackResize&&this.stop().resize()._update()}}),util.extendAll(Map.prototype,{_showTileBoundaries:!1,get showTileBoundaries(){return this._showTileBoundaries},set showTileBoundaries(t){this._showTileBoundaries!==t&&(this._showTileBoundaries=t,this._update())},_showCollisionBoxes:!1,get showCollisionBoxes(){return this._showCollisionBoxes},set showCollisionBoxes(t){this._showCollisionBoxes!==t&&(this._showCollisionBoxes=t,this.style._redoPlacement())},_showOverdrawInspector:!1,get showOverdrawInspector(){return this._showOverdrawInspector},set showOverdrawInspector(t){this._showOverdrawInspector!==t&&(this._showOverdrawInspector=t,this._update())},_repaint:!1,get repaint(){return this._repaint},set repaint(t){this._repaint=t,this._update()},_vertices:!1,get vertices(){return this._vertices},set vertices(t){this._vertices=t,this._update()}});
-},{"../geo/lng_lat":10,"../geo/lng_lat_bounds":11,"../geo/transform":12,"../render/painter":26,"../style/animation_loop":42,"../style/style":45,"../util/browser":93,"../util/canvas":94,"../util/dom":96,"../util/evented":100,"../util/util":108,"./bind_handlers":74,"./camera":75,"./control/attribution":76,"./hash":87,"point-geometry":176}],89:[function(require,module,exports){
-"use strict";function Marker(t){t||(t=DOM.create("div")),t.classList.add("mapboxgl-marker"),this._el=t,this._update=this._update.bind(this)}module.exports=Marker;var DOM=require("../util/dom"),LngLat=require("../geo/lng_lat");Marker.prototype={addTo:function(t){return this.remove(),this._map=t,t.getCanvasContainer().appendChild(this._el),t.on("move",this._update),this._update(),this},remove:function(){this._map&&(this._map.off("move",this._update),this._map=null);var t=this._el.parentNode;return t&&t.removeChild(this._el),this},getLngLat:function(){return this._lngLat},setLngLat:function(t){return this._lngLat=LngLat.convert(t),this._update(),this},getElement:function(){return this._el},_update:function(){if(this._map){var t=this._map.project(this._lngLat);DOM.setTransform(this._el,"translate("+t.x+"px,"+t.y+"px)")}}};
-},{"../geo/lng_lat":10,"../util/dom":96}],90:[function(require,module,exports){
-"use strict";function Popup(t){util.setOptions(this,t),util.bindAll(["_update","_onClickClose"],this)}module.exports=Popup;var util=require("../util/util"),Evented=require("../util/evented"),DOM=require("../util/dom"),LngLat=require("../geo/lng_lat");Popup.prototype=util.inherit(Evented,{options:{closeButton:!0,closeOnClick:!0},addTo:function(t){return this._map=t,this._map.on("move",this._update),this.options.closeOnClick&&this._map.on("click",this._onClickClose),this._update(),this},remove:function(){return this._content&&this._content.parentNode&&this._content.parentNode.removeChild(this._content),this._container&&(this._container.parentNode.removeChild(this._container),delete this._container),this._map&&(this._map.off("move",this._update),this._map.off("click",this._onClickClose),delete this._map),this},getLngLat:function(){return this._lngLat},setLngLat:function(t){return this._lngLat=LngLat.convert(t),this._update(),this},setText:function(t){return this.setDOMContent(document.createTextNode(t))},setHTML:function(t){var e,n=document.createDocumentFragment(),i=document.createElement("body");for(i.innerHTML=t;;){if(e=i.firstChild,!e)break;n.appendChild(e)}return this.setDOMContent(n)},setDOMContent:function(t){return this._createContent(),this._content.appendChild(t),this._update(),this},_createContent:function(){this._content&&this._content.parentNode&&this._content.parentNode.removeChild(this._content),this._content=DOM.create("div","mapboxgl-popup-content",this._container),this.options.closeButton&&(this._closeButton=DOM.create("button","mapboxgl-popup-close-button",this._content),this._closeButton.innerHTML="&#215;",this._closeButton.addEventListener("click",this._onClickClose))},_update:function(){if(this._map&&this._lngLat&&this._content){this._container||(this._container=DOM.create("div","mapboxgl-popup",this._map.getContainer()),this._tip=DOM.create("div","mapboxgl-popup-tip",this._container),this._container.appendChild(this._content));var t=this._map.project(this._lngLat).round(),e=this.options.anchor;if(!e){var n=this._container.offsetWidth,i=this._container.offsetHeight;e=t.y<i?["top"]:t.y>this._map.transform.height-i?["bottom"]:[],t.x<n/2?e.push("left"):t.x>this._map.transform.width-n/2&&e.push("right"),e=0===e.length?"bottom":e.join("-")}var o={top:"translate(-50%,0)","top-left":"translate(0,0)","top-right":"translate(-100%,0)",bottom:"translate(-50%,-100%)","bottom-left":"translate(0,-100%)","bottom-right":"translate(-100%,-100%)",left:"translate(0,-50%)",right:"translate(-100%,-50%)"},s=this._container.classList;for(var a in o)s.remove("mapboxgl-popup-anchor-"+a);s.add("mapboxgl-popup-anchor-"+e),DOM.setTransform(this._container,o[e]+" translate("+t.x+"px,"+t.y+"px)")}},_onClickClose:function(){this.remove()}});
-},{"../geo/lng_lat":10,"../util/dom":96,"../util/evented":100,"../util/util":108}],91:[function(require,module,exports){
-"use strict";function Actor(t,e){this.target=t,this.parent=e,this.callbacks={},this.callbackID=0,this.receive=this.receive.bind(this),this.target.addEventListener("message",this.receive,!1)}module.exports=Actor,Actor.prototype.receive=function(t){var e,s=t.data;if("<response>"===s.type)e=this.callbacks[s.id],delete this.callbacks[s.id],e(s.error||null,s.data);else if("undefined"!=typeof s.id){var i=s.id;this.parent[s.type](s.data,function(t,e,s){this.postMessage({type:"<response>",id:String(i),error:t?String(t):null,data:e},s)}.bind(this))}else this.parent[s.type](s.data)},Actor.prototype.send=function(t,e,s,i){var a=null;s&&(this.callbacks[a=this.callbackID++]=s),this.postMessage({type:t,id:String(a),data:e},i)},Actor.prototype.postMessage=function(t,e){this.target.postMessage(t,e)};
-},{}],92:[function(require,module,exports){
-"use strict";function sameOrigin(e){var t=document.createElement("a");return t.href=e,t.protocol===document.location.protocol&&t.host===document.location.host}exports.getJSON=function(e,t){var n=new XMLHttpRequest;return n.open("GET",e,!0),n.setRequestHeader("Accept","application/json"),n.onerror=function(e){t(e)},n.onload=function(){if(n.status>=200&&n.status<300&&n.response){var e;try{e=JSON.parse(n.response)}catch(r){return t(r)}t(null,e)}else t(new Error(n.statusText))},n.send(),n},exports.getArrayBuffer=function(e,t){var n=new XMLHttpRequest;return n.open("GET",e,!0),n.responseType="arraybuffer",n.onerror=function(e){t(e)},n.onload=function(){n.status>=200&&n.status<300&&n.response?t(null,n.response):t(new Error(n.statusText))},n.send(),n},exports.getImage=function(e,t){return exports.getArrayBuffer(e,function(e,n){if(e)return t(e);var r=new Image;r.onload=function(){t(null,r),(window.URL||window.webkitURL).revokeObjectURL(r.src)};var o=new Blob([new Uint8Array(n)],{type:"image/png"});return r.src=(window.URL||window.webkitURL).createObjectURL(o),r.getData=function(){var e=document.createElement("canvas"),t=e.getContext("2d");return e.width=r.width,e.height=r.height,t.drawImage(r,0,0),t.getImageData(0,0,r.width,r.height).data},r})},exports.getVideo=function(e,t){var n=document.createElement("video");n.onloadstart=function(){t(null,n)};for(var r=0;r<e.length;r++){var o=document.createElement("source");sameOrigin(e[r])||(n.crossOrigin="Anonymous"),o.src=e[r],n.appendChild(o)}return n.getData=function(){return n},n};
-},{}],93:[function(require,module,exports){
-"use strict";exports.window=window,module.exports.now=function(){return window.performance&&window.performance.now?window.performance.now.bind(window.performance):Date.now.bind(Date)}();var frame=window.requestAnimationFrame||window.mozRequestAnimationFrame||window.webkitRequestAnimationFrame||window.msRequestAnimationFrame;exports.frame=function(e){return frame(e)};var cancel=window.cancelAnimationFrame||window.mozCancelAnimationFrame||window.webkitCancelAnimationFrame||window.msCancelAnimationFrame;exports.cancelFrame=function(e){cancel(e)},exports.timed=function(e,n,o){function r(i){t||(i=module.exports.now(),i>=a+n?e.call(o,1):(e.call(o,(i-a)/n),exports.frame(r)))}if(!n)return e.call(o,1),null;var t=!1,a=module.exports.now();return exports.frame(r),function(){t=!0}},exports.supported=require("mapbox-gl-supported"),exports.hardwareConcurrency=navigator.hardwareConcurrency||4,Object.defineProperty(exports,"devicePixelRatio",{get:function(){return window.devicePixelRatio}}),exports.supportsWebp=!1;var webpImgTest=document.createElement("img");webpImgTest.onload=function(){exports.supportsWebp=!0},webpImgTest.src="data:image/webp;base64,UklGRh4AAABXRUJQVlA4TBEAAAAvAQAAAAfQ//73v/+BiOh/AAA=",exports.supportsGeolocation=!!navigator.geolocation;
-},{"mapbox-gl-supported":172}],94:[function(require,module,exports){
-"use strict";function Canvas(t,e){this.canvas=document.createElement("canvas"),t&&e&&(this.canvas.style.position="absolute",this.canvas.classList.add("mapboxgl-canvas"),this.canvas.addEventListener("webglcontextlost",t._contextLost.bind(t),!1),this.canvas.addEventListener("webglcontextrestored",t._contextRestored.bind(t),!1),this.canvas.setAttribute("tabindex",0),e.appendChild(this.canvas))}var util=require("../util"),isSupported=require("mapbox-gl-supported");module.exports=Canvas,Canvas.prototype.resize=function(t,e){var s=window.devicePixelRatio||1;this.canvas.width=s*t,this.canvas.height=s*e,this.canvas.style.width=t+"px",this.canvas.style.height=e+"px"},Canvas.prototype.getWebGLContext=function(t){return t=util.extend({},t,isSupported.webGLContextAttributes),this.canvas.getContext("webgl",t)||this.canvas.getContext("experimental-webgl",t)},Canvas.prototype.getElement=function(){return this.canvas};
-},{"../util":108,"mapbox-gl-supported":172}],95:[function(require,module,exports){
-"use strict";function Dispatcher(r,t){this.actors=[],this.currentActor=0;for(var e=0;r>e;e++){var o=new WebWorkify(require("../../source/worker")),s=new Actor(o,t);s.name="Worker "+e,this.actors.push(s)}}var Actor=require("../actor"),WebWorkify=require("webworkify");module.exports=Dispatcher,Dispatcher.prototype={broadcast:function(r,t){for(var e=0;e<this.actors.length;e++)this.actors[e].send(r,t)},send:function(r,t,e,o,s){return("number"!=typeof o||isNaN(o))&&(o=this.currentActor=(this.currentActor+1)%this.actors.length),this.actors[o].send(r,t,e,s),o},remove:function(){for(var r=0;r<this.actors.length;r++)this.actors[r].target.terminate();this.actors=[]}};
-},{"../../source/worker":40,"../actor":91,"webworkify":193}],96:[function(require,module,exports){
-"use strict";function testProp(e){for(var t=0;t<e.length;t++)if(e[t]in docStyle)return e[t]}function suppressClick(e){e.preventDefault(),e.stopPropagation(),window.removeEventListener("click",suppressClick,!0)}var Point=require("point-geometry");exports.create=function(e,t,o){var n=document.createElement(e);return t&&(n.className=t),o&&o.appendChild(n),n};var docStyle=document.documentElement.style,selectProp=testProp(["userSelect","MozUserSelect","WebkitUserSelect","msUserSelect"]),userSelect;exports.disableDrag=function(){selectProp&&(userSelect=docStyle[selectProp],docStyle[selectProp]="none")},exports.enableDrag=function(){selectProp&&(docStyle[selectProp]=userSelect)};var transformProp=testProp(["transform","WebkitTransform"]);exports.setTransform=function(e,t){e.style[transformProp]=t},exports.suppressClick=function(){window.addEventListener("click",suppressClick,!0),window.setTimeout(function(){window.removeEventListener("click",suppressClick,!0)},0)},exports.mousePos=function(e,t){var o=e.getBoundingClientRect();return t=t.touches?t.touches[0]:t,new Point(t.clientX-o.left-e.clientLeft,t.clientY-o.top-e.clientTop)},exports.touchPos=function(e,t){for(var o=e.getBoundingClientRect(),n=[],r=0;r<t.touches.length;r++)n.push(new Point(t.touches[r].clientX-o.left-e.clientLeft,t.touches[r].clientY-o.top-e.clientTop));return n};
-},{"point-geometry":176}],97:[function(require,module,exports){
-"use strict";function compareAreas(e,r){return r.area-e.area}function calculateSignedArea(e){for(var r,a,t=0,u=0,c=e.length,n=c-1;c>u;n=u++)r=e[u],a=e[n],t+=(a.x-r.x)*(r.y+a.y);return t}var quickselect=require("quickselect");module.exports=function(e,r){var a=e.length;if(1>=a)return[e];for(var t,u,c=[],n=0;a>n;n++){var i=calculateSignedArea(e[n]);0!==i&&(e[n].area=Math.abs(i),void 0===u&&(u=0>i),u===0>i?(t&&c.push(t),t=[e[n]]):t.push(e[n]))}if(t&&c.push(t),r>1)for(var l=0;l<c.length;l++)c[l].length<=r||(quickselect(c[l],r,1,c[l].length-1,compareAreas),c[l]=c[l].slice(0,r));return c};
-},{"quickselect":177}],98:[function(require,module,exports){
-"use strict";module.exports={API_URL:"https://api.mapbox.com",REQUIRE_ACCESS_TOKEN:!0};
+"use strict";function SymbolQuad(t,e,a,n,i,o,l,h,r,s,g){this.anchorPoint=t,this.tl=e,this.tr=a,this.bl=n,this.br=i,this.tex=o,this.anchorAngle=l,this.glyphAngle=h,this.minScale=r,this.maxScale=s,this.writingMode=g}function getIconQuads(t,e,a,n,i,o,l,h,r){var s,g,u,c,m=e.image.rect,f=i.layout,x=1,d=e.left-x,P=d+m.w/e.image.pixelRatio,y=e.top-x,M=y+m.h/e.image.pixelRatio;if("none"!==f["icon-text-fit"]&&l){var p=P-d,v=M-y,w=f["text-size"]/24,S=l.left*w,b=l.right*w,I=l.top*w,_=l.bottom*w,Q=b-S,G=_-I,k=f["icon-text-fit-padding"][0],q=f["icon-text-fit-padding"][1],A=f["icon-text-fit-padding"][2],R=f["icon-text-fit-padding"][3],z="width"===f["icon-text-fit"]?.5*(G-v):0,L="height"===f["icon-text-fit"]?.5*(Q-p):0,V="width"===f["icon-text-fit"]||"both"===f["icon-text-fit"]?Q:p,j="height"===f["icon-text-fit"]||"both"===f["icon-text-fit"]?G:v;s=new Point(S+L-R,I+z-k),g=new Point(S+L+q+V,I+z-k),u=new Point(S+L+q+V,I+z+A+j),c=new Point(S+L-R,I+z+A+j)}else s=new Point(d,y),g=new Point(P,y),u=new Point(P,M),c=new Point(d,M);var B=i.getLayoutValue("icon-rotate",h,r)*Math.PI/180;if(o){var C=n[t.segment];if(t.y===C.y&&t.x===C.x&&t.segment+1<n.length){var D=n[t.segment+1];B+=Math.atan2(t.y-D.y,t.x-D.x)+Math.PI}else B+=Math.atan2(t.y-C.y,t.x-C.x)}if(B){var E=Math.sin(B),F=Math.cos(B),H=[F,-E,E,F];s=s.matMult(H),g=g.matMult(H),c=c.matMult(H),u=u.matMult(H)}return[new SymbolQuad(new Point(t.x,t.y),s,g,c,u,e.image.rect,0,0,minScale,1/0)]}function getGlyphQuads(t,e,a,n,i,o){for(var l=i.layout["text-rotate"]*Math.PI/180,h=i.layout["text-keep-upright"],r=e.positionedGlyphs,s=[],g=0;g<r.length;g++){var u=r[g],c=u.glyph;if(c){var m=c.rect;if(m){var f,x=(u.x+c.advance/2)*a,d=minScale;o?(f=[],d=getSegmentGlyphs(f,t,x,n,t.segment,!0),h&&(d=Math.min(d,getSegmentGlyphs(f,t,x,n,t.segment,!1)))):f=[{anchorPoint:new Point(t.x,t.y),offset:0,angle:0,maxScale:1/0,minScale:minScale}];var P=u.x+c.left,y=u.y-c.top,M=P+m.w,p=y+m.h,v=new Point(u.x,c.advance/2),w=new Point(P,y),S=new Point(M,y),b=new Point(P,p),I=new Point(M,p);0!==u.angle&&(w._sub(v)._rotate(u.angle)._add(v),S._sub(v)._rotate(u.angle)._add(v),b._sub(v)._rotate(u.angle)._add(v),I._sub(v)._rotate(u.angle)._add(v));for(var _=0;_<f.length;_++){var Q=f[_],G=w,k=S,q=b,A=I;if(l){var R=Math.sin(l),z=Math.cos(l),L=[z,-R,R,z];G=G.matMult(L),k=k.matMult(L),q=q.matMult(L),A=A.matMult(L)}var V=Math.max(Q.minScale,d),j=(t.angle+Q.offset+2*Math.PI)%(2*Math.PI),B=(Q.angle+Q.offset+2*Math.PI)%(2*Math.PI);s.push(new SymbolQuad(Q.anchorPoint,G,k,q,A,m,j,B,V,Q.maxScale,e.writingMode))}}}}return s}function getSegmentGlyphs(t,e,a,n,i,o){var l=!o;a<0&&(o=!o),o&&i++;var h=new Point(e.x,e.y),r=n[i],s=1/0;a=Math.abs(a);for(var g=minScale;;){var u=h.dist(r),c=a/u,m=Math.atan2(r.y-h.y,r.x-h.x);if(o||(m+=Math.PI),t.push({anchorPoint:h,offset:l?Math.PI:0,minScale:c,maxScale:s,angle:(m+2*Math.PI)%(2*Math.PI)}),c<=g)break;for(h=r;h.equals(r);)if(i+=o?1:-1,r=n[i],!r)return c;var f=r.sub(h)._unit();h=h.sub(f._mult(u)),s=c}return g}var Point=require("point-geometry");module.exports={getIconQuads:getIconQuads,getGlyphQuads:getGlyphQuads,SymbolQuad:SymbolQuad};var minScale=.5;
+},{"point-geometry":194}],83:[function(require,module,exports){
+"use strict";var resolveTokens=require("../util/token");module.exports=function(e,r){var o=resolveTokens(e.properties,r["text-field"]);if(o){o=o.toString();var t=r["text-transform"];return"uppercase"===t?o=o.toLocaleUpperCase():"lowercase"===t&&(o=o.toLocaleLowerCase()),o}};
+},{"../util/token":125}],84:[function(require,module,exports){
+"use strict";function PositionedGlyph(i,t,e,n,o){this.codePoint=i,this.x=t,this.y=e,this.glyph=n||null,this.angle=o}function Shaping(i,t,e,n,o,r,a){this.positionedGlyphs=i,this.text=t,this.top=e,this.bottom=n,this.left=o,this.right=r,this.writingMode=a}function shapeText(i,t,e,n,o,r,a,h,l,s,c){i=i.trim(),c===WritingMode.vertical&&(i=verticalizePunctuation(i));for(var p=[],u=new Shaping(p,i,l[1],l[1],l[0],l[0],c),d=-17,g=0,f=0;f<i.length;f++){var v=i.charCodeAt(f),x=t[v];(x||v===newLine)&&(scriptDetection.charHasUprightVerticalOrientation(v)&&c!==WritingMode.horizontal?(p.push(new PositionedGlyph(v,g,0,x,-Math.PI/2)),x&&(g+=s+h)):(p.push(new PositionedGlyph(v,g,d,x,0)),x&&(g+=x.advance+h)))}return!!p.length&&(linewrap(u,t,n,e,o,r,a,l,scriptDetection.allowsIdeographicBreaking(i),c),u)}function linewrap(i,t,e,n,o,r,a,h,l,s){var c=null,p=0,u=0,d=0,g=0,f=i.positionedGlyphs;if(s===WritingMode.horizontal&&n){if(l){var v=f[f.length-1],x=Math.max(1,Math.ceil(v.x/n));n=v.x/x}for(var w=0;w<f.length;w++){var P=f[w];if(P.x-=p,P.y+=e*d,null!==c&&(P.x>n||f[c].codePoint===newLine)){var y=f[c+1].x;g=Math.max(y,g);for(var b=c+1;b<=w;b++)f[b].y+=e,f[b].x-=y;if(a&&c>u){var M=c;invisible[f[c].codePoint]&&M--,justifyLine(f,t,u,M,a)}u=c+1,c=null,p+=y,d++}(l||breakable[P.codePoint]||scriptDetection.charAllowsIdeographicBreaking(P.codePoint))&&(c=w)}}var m=f[f.length-1],I=m.x+t[m.codePoint].advance;g=Math.max(g,I);var L=(d+1)*e;justifyLine(f,t,u,f.length-1,a),align(f,a,o,r,g,e,d,h),i.top+=-r*L,i.bottom=i.top+L,i.left+=-o*g,i.right=i.left+g}function justifyLine(i,t,e,n,o){for(var r=t[i[n].codePoint].advance,a=(i[n].x+r)*o,h=e;h<=n;h++)i[h].x-=a}function align(i,t,e,n,o,r,a,h){for(var l=(t-e)*o+h[0],s=(-n*(a+1)+.5)*r+h[1],c=0;c<i.length;c++)i[c].x+=l,i[c].y+=s}function shapeIcon(i,t){if(!i||!i.rect)return null;var e=t["icon-offset"][0],n=t["icon-offset"][1],o=e-i.width/2,r=o+i.width,a=n-i.height/2,h=a+i.height;return new PositionedIcon(i,a,h,o,r)}function PositionedIcon(i,t,e,n,o){this.image=i,this.top=t,this.bottom=e,this.left=n,this.right=o}var scriptDetection=require("../util/script_detection"),verticalizePunctuation=require("../util/verticalize_punctuation"),WritingMode={horizontal:1,vertical:2};module.exports={shapeText:shapeText,shapeIcon:shapeIcon,WritingMode:WritingMode};var newLine=10,invisible={32:!0,8203:!0},breakable={32:!0,38:!0,43:!0,45:!0,47:!0,173:!0,183:!0,8203:!0,8208:!0,8211:!0};invisible[newLine]=breakable[newLine]=!0;
+},{"../util/script_detection":123,"../util/verticalize_punctuation":128}],85:[function(require,module,exports){
+"use strict";function copyBitmap(t,i,e,h,a,s,r,o,l,p,n){var u,R,f=h*i+e,x=o*s+r;if(n)for(x-=s,R=-1;R<=p;R++,f=((R+p)%p+h)*i+e,x+=s)for(u=-1;u<=l;u++)a[x+u]=t[f+(u+l)%l];else for(R=0;R<p;R++,f+=i,x+=s)for(u=0;u<l;u++)a[x+u]=t[f+u]}var ShelfPack=require("shelf-pack"),browser=require("../util/browser"),util=require("../util/util"),AtlasImage=function(t,i,e,h,a){this.rect=t,this.width=i,this.height=e,this.sdf=h,this.pixelRatio=a},SpriteAtlas=function(t,i){this.width=t,this.height=i,this.bin=new ShelfPack(t,i),this.images={},this.data=!1,this.texture=0,this.filter=0,this.pixelRatio=1,this.dirty=!0};SpriteAtlas.prototype.allocateImage=function(t,i){t/=this.pixelRatio,i/=this.pixelRatio;var e=2,h=t+e+(4-(t+e)%4),a=i+e+(4-(i+e)%4),s=this.bin.packOne(h,a);return s?s:(util.warnOnce("SpriteAtlas out of space."),null)},SpriteAtlas.prototype.getImage=function(t,i){if(this.images[t])return this.images[t];if(!this.sprite)return null;var e=this.sprite.getSpritePosition(t);if(!e.width||!e.height)return null;var h=this.allocateImage(e.width,e.height);if(!h)return null;var a=new AtlasImage(h,e.width/e.pixelRatio,e.height/e.pixelRatio,e.sdf,e.pixelRatio/this.pixelRatio);return this.images[t]=a,this.copy(h,e,i),a},SpriteAtlas.prototype.getPosition=function(t,i){var e=this.getImage(t,i),h=e&&e.rect;if(!h)return null;var a=e.width*e.pixelRatio,s=e.height*e.pixelRatio,r=1;return{size:[e.width,e.height],tl:[(h.x+r)/this.width,(h.y+r)/this.height],br:[(h.x+r+a)/this.width,(h.y+r+s)/this.height]}},SpriteAtlas.prototype.allocate=function(){var t=this;if(!this.data){var i=Math.floor(this.width*this.pixelRatio),e=Math.floor(this.height*this.pixelRatio);this.data=new Uint32Array(i*e);for(var h=0;h<this.data.length;h++)t.data[h]=0}},SpriteAtlas.prototype.copy=function(t,i,e){if(this.sprite.imgData){var h=new Uint32Array(this.sprite.imgData.buffer);this.allocate();var a=this.data,s=1;copyBitmap(h,this.sprite.width,i.x,i.y,a,this.width*this.pixelRatio,(t.x+s)*this.pixelRatio,(t.y+s)*this.pixelRatio,i.width,i.height,e),this.dirty=!0}},SpriteAtlas.prototype.setSprite=function(t){t&&(this.pixelRatio=browser.devicePixelRatio>1?2:1,this.canvas&&(this.canvas.width=this.width*this.pixelRatio,this.canvas.height=this.height*this.pixelRatio)),this.sprite=t},SpriteAtlas.prototype.addIcons=function(t,i){for(var e=this,h=0;h<t.length;h++)e.getImage(t[h]);i(null,this.images)},SpriteAtlas.prototype.bind=function(t,i){var e=!1;this.texture?t.bindTexture(t.TEXTURE_2D,this.texture):(this.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),e=!0);var h=i?t.LINEAR:t.NEAREST;h!==this.filter&&(t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,h),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,h),this.filter=h),this.dirty&&(this.allocate(),e?t.texImage2D(t.TEXTURE_2D,0,t.RGBA,this.width*this.pixelRatio,this.height*this.pixelRatio,0,t.RGBA,t.UNSIGNED_BYTE,new Uint8Array(this.data.buffer)):t.texSubImage2D(t.TEXTURE_2D,0,0,0,this.width*this.pixelRatio,this.height*this.pixelRatio,t.RGBA,t.UNSIGNED_BYTE,new Uint8Array(this.data.buffer)),this.dirty=!1)},module.exports=SpriteAtlas;
+},{"../util/browser":107,"../util/util":126,"shelf-pack":197}],86:[function(require,module,exports){
+"use strict";var createStructArrayType=require("../util/struct_array"),Point=require("point-geometry"),SymbolInstancesArray=createStructArrayType({members:[{type:"Uint16",name:"textBoxStartIndex"},{type:"Uint16",name:"textBoxEndIndex"},{type:"Uint16",name:"iconBoxStartIndex"},{type:"Uint16",name:"iconBoxEndIndex"},{type:"Uint16",name:"glyphQuadStartIndex"},{type:"Uint16",name:"glyphQuadEndIndex"},{type:"Uint16",name:"iconQuadStartIndex"},{type:"Uint16",name:"iconQuadEndIndex"},{type:"Int16",name:"anchorPointX"},{type:"Int16",name:"anchorPointY"},{type:"Int8",name:"index"},{type:"Uint8",name:"writingModes"}]});Object.defineProperty(SymbolInstancesArray.prototype.StructType.prototype,"anchorPoint",{get:function(){return new Point(this.anchorPointX,this.anchorPointY)}}),module.exports=SymbolInstancesArray;
+},{"../util/struct_array":124,"point-geometry":194}],87:[function(require,module,exports){
+"use strict";var createStructArrayType=require("../util/struct_array"),Point=require("point-geometry"),SymbolQuad=require("./quads").SymbolQuad,SymbolQuadsArray=createStructArrayType({members:[{type:"Int16",name:"anchorPointX"},{type:"Int16",name:"anchorPointY"},{type:"Float32",name:"tlX"},{type:"Float32",name:"tlY"},{type:"Float32",name:"trX"},{type:"Float32",name:"trY"},{type:"Float32",name:"blX"},{type:"Float32",name:"blY"},{type:"Float32",name:"brX"},{type:"Float32",name:"brY"},{type:"Int16",name:"texH"},{type:"Int16",name:"texW"},{type:"Int16",name:"texX"},{type:"Int16",name:"texY"},{type:"Float32",name:"anchorAngle"},{type:"Float32",name:"glyphAngle"},{type:"Float32",name:"maxScale"},{type:"Float32",name:"minScale"},{type:"Uint8",name:"writingMode"}]});Object.defineProperty(SymbolQuadsArray.prototype.StructType.prototype,"anchorPoint",{get:function(){return new Point(this.anchorPointX,this.anchorPointY)}}),Object.defineProperty(SymbolQuadsArray.prototype.StructType.prototype,"SymbolQuad",{get:function(){return new SymbolQuad(this.anchorPoint,new Point(this.tlX,this.tlY),new Point(this.trX,this.trY),new Point(this.blX,this.blY),new Point(this.brX,this.brY),{x:this.texX,y:this.texY,h:this.texH,w:this.texW,height:this.texH,width:this.texW},this.anchorAngle,this.glyphAngle,this.minScale,this.maxScale,this.writingMode)}}),module.exports=SymbolQuadsArray;
+},{"../util/struct_array":124,"./quads":82,"point-geometry":194}],88:[function(require,module,exports){
+"use strict";var DOM=require("../util/dom"),Point=require("point-geometry"),handlers={scrollZoom:require("./handler/scroll_zoom"),boxZoom:require("./handler/box_zoom"),dragRotate:require("./handler/drag_rotate"),dragPan:require("./handler/drag_pan"),keyboard:require("./handler/keyboard"),doubleClickZoom:require("./handler/dblclick_zoom"),touchZoomRotate:require("./handler/touch_zoom_rotate")};module.exports=function(e,t){function n(e){h("mouseout",e)}function o(t){e.stop(),E=DOM.mousePos(g,t),h("mousedown",t)}function r(t){var n=e.dragRotate&&e.dragRotate.isActive();p&&!n&&h("contextmenu",p),p=null,h("mouseup",t)}function u(t){if(!(e.dragPan&&e.dragPan.isActive()||e.dragRotate&&e.dragRotate.isActive())){for(var n=t.toElement||t.target;n&&n!==g;)n=n.parentNode;n===g&&h("mousemove",t)}}function a(t){e.stop(),f("touchstart",t),!t.touches||t.touches.length>1||(L?(clearTimeout(L),L=null,h("dblclick",t)):L=setTimeout(l,300))}function i(e){f("touchmove",e)}function c(e){f("touchend",e)}function d(e){f("touchcancel",e)}function l(){L=null}function s(e){var t=DOM.mousePos(g,e);t.equals(E)&&h("click",e)}function v(e){h("dblclick",e),e.preventDefault()}function m(e){p=e,e.preventDefault()}function h(t,n){var o=DOM.mousePos(g,n);return e.fire(t,{lngLat:e.unproject(o),point:o,originalEvent:n})}function f(t,n){var o=DOM.touchPos(g,n),r=o.reduce(function(e,t,n,o){return e.add(t.div(o.length))},new Point(0,0));return e.fire(t,{lngLat:e.unproject(r),point:r,lngLats:o.map(function(t){return e.unproject(t)},this),points:o,originalEvent:n})}var g=e.getCanvasContainer(),p=null,E=null,L=null;for(var b in handlers)e[b]=new handlers[b](e,t),t.interactive&&t[b]&&e[b].enable();g.addEventListener("mouseout",n,!1),g.addEventListener("mousedown",o,!1),g.addEventListener("mouseup",r,!1),g.addEventListener("mousemove",u,!1),g.addEventListener("touchstart",a,!1),g.addEventListener("touchend",c,!1),g.addEventListener("touchmove",i,!1),g.addEventListener("touchcancel",d,!1),g.addEventListener("click",s,!1),g.addEventListener("dblclick",v,!1),g.addEventListener("contextmenu",m,!1)};
+},{"../util/dom":114,"./handler/box_zoom":94,"./handler/dblclick_zoom":95,"./handler/drag_pan":96,"./handler/drag_rotate":97,"./handler/keyboard":98,"./handler/scroll_zoom":99,"./handler/touch_zoom_rotate":100,"point-geometry":194}],89:[function(require,module,exports){
+"use strict";var util=require("../util/util"),interpolate=require("../util/interpolate"),browser=require("../util/browser"),LngLat=require("../geo/lng_lat"),LngLatBounds=require("../geo/lng_lat_bounds"),Point=require("point-geometry"),Evented=require("../util/evented"),Camera=function(t){function i(i,e){t.call(this),this.transform=i,this._bearingSnap=e.bearingSnap}return t&&(i.__proto__=t),i.prototype=Object.create(t&&t.prototype),i.prototype.constructor=i,i.prototype.getCenter=function(){return this.transform.center},i.prototype.setCenter=function(t,i){return this.jumpTo({center:t},i),this},i.prototype.panBy=function(t,i,e){return this.panTo(this.transform.center,util.extend({offset:Point.convert(t).mult(-1)},i),e),this},i.prototype.panTo=function(t,i,e){return this.easeTo(util.extend({center:t},i),e)},i.prototype.getZoom=function(){return this.transform.zoom},i.prototype.setZoom=function(t,i){return this.jumpTo({zoom:t},i),this},i.prototype.zoomTo=function(t,i,e){return this.easeTo(util.extend({zoom:t},i),e)},i.prototype.zoomIn=function(t,i){return this.zoomTo(this.getZoom()+1,t,i),this},i.prototype.zoomOut=function(t,i){return this.zoomTo(this.getZoom()-1,t,i),this},i.prototype.getBearing=function(){return this.transform.bearing},i.prototype.setBearing=function(t,i){return this.jumpTo({bearing:t},i),this},i.prototype.rotateTo=function(t,i,e){return this.easeTo(util.extend({bearing:t},i),e)},i.prototype.resetNorth=function(t,i){return this.rotateTo(0,util.extend({duration:1e3},t),i),this},i.prototype.snapToNorth=function(t,i){return Math.abs(this.getBearing())<this._bearingSnap?this.resetNorth(t,i):this},i.prototype.getPitch=function(){return this.transform.pitch},i.prototype.setPitch=function(t,i){return this.jumpTo({pitch:t},i),this},i.prototype.fitBounds=function(t,i,e){i=util.extend({padding:0,offset:[0,0],maxZoom:1/0},i),t=LngLatBounds.convert(t);var o=Point.convert(i.offset),n=this.transform,r=n.project(t.getNorthWest()),s=n.project(t.getSouthEast()),a=s.sub(r),h=(n.width-2*i.padding-2*Math.abs(o.x))/a.x,u=(n.height-2*i.padding-2*Math.abs(o.y))/a.y;return i.center=n.unproject(r.add(s).div(2)),i.zoom=Math.min(n.scaleZoom(n.scale*Math.min(h,u)),i.maxZoom),i.bearing=0,i.linear?this.easeTo(i,e):this.flyTo(i,e)},i.prototype.jumpTo=function(t,i){this.stop();var e=this.transform,o=!1,n=!1,r=!1;return"zoom"in t&&e.zoom!==+t.zoom&&(o=!0,e.zoom=+t.zoom),"center"in t&&(e.center=LngLat.convert(t.center)),"bearing"in t&&e.bearing!==+t.bearing&&(n=!0,e.bearing=+t.bearing),"pitch"in t&&e.pitch!==+t.pitch&&(r=!0,e.pitch=+t.pitch),this.fire("movestart",i).fire("move",i),o&&this.fire("zoomstart",i).fire("zoom",i).fire("zoomend",i),n&&this.fire("rotate",i),r&&this.fire("pitch",i),this.fire("moveend",i)},i.prototype.easeTo=function(t,i){var e=this;this.stop(),t=util.extend({offset:[0,0],duration:500,easing:util.ease},t);var o,n,r=this.transform,s=Point.convert(t.offset),a=this.getZoom(),h=this.getBearing(),u=this.getPitch(),p="zoom"in t?+t.zoom:a,c="bearing"in t?this._normalizeBearing(t.bearing,h):h,m="pitch"in t?+t.pitch:u;"center"in t?(o=LngLat.convert(t.center),n=r.centerPoint.add(s)):"around"in t?(o=LngLat.convert(t.around),n=r.locationPoint(o)):(n=r.centerPoint.add(s),o=r.pointLocation(n));var g=r.locationPoint(o);return t.animate===!1&&(t.duration=0),this.zooming=p!==a,this.rotating=h!==c,this.pitching=m!==u,t.smoothEasing&&0!==t.duration&&(t.easing=this._smoothOutEasing(t.duration)),t.noMoveStart||this.fire("movestart",i),this.zooming&&this.fire("zoomstart",i),clearTimeout(this._onEaseEnd),this._ease(function(t){this.zooming&&(r.zoom=interpolate(a,p,t)),this.rotating&&(r.bearing=interpolate(h,c,t)),this.pitching&&(r.pitch=interpolate(u,m,t)),r.setLocationAtPoint(o,g.add(n.sub(g)._mult(t))),this.fire("move",i),this.zooming&&this.fire("zoom",i),this.rotating&&this.fire("rotate",i),this.pitching&&this.fire("pitch",i)},function(){t.delayEndEvents?e._onEaseEnd=setTimeout(e._easeToEnd.bind(e,i),t.delayEndEvents):e._easeToEnd(i)},t),this},i.prototype._easeToEnd=function(t){var i=this.zooming;this.zooming=!1,this.rotating=!1,this.pitching=!1,i&&this.fire("zoomend",t),this.fire("moveend",t)},i.prototype.flyTo=function(t,i){function e(t){var i=(_*_-y*y+(t?-1:1)*x*x*M*M)/(2*(t?_:y)*x*M);return Math.log(Math.sqrt(i*i+1)-i)}function o(t){return(Math.exp(t)-Math.exp(-t))/2}function n(t){return(Math.exp(t)+Math.exp(-t))/2}function r(t){return o(t)/n(t)}this.stop(),t=util.extend({offset:[0,0],speed:1.2,curve:1.42,easing:util.ease},t);var s=this.transform,a=Point.convert(t.offset),h=this.getZoom(),u=this.getBearing(),p=this.getPitch(),c="center"in t?LngLat.convert(t.center):this.getCenter(),m="zoom"in t?+t.zoom:h,g="bearing"in t?this._normalizeBearing(t.bearing,u):u,f="pitch"in t?+t.pitch:p;Math.abs(s.center.lng)+Math.abs(c.lng)>180&&(s.center.lng>0&&c.lng<0?c.lng+=360:s.center.lng<0&&c.lng>0&&(c.lng-=360));var d=s.zoomScale(m-h),l=s.point,v="center"in t?s.project(c).sub(a.div(d)):l,b=s.worldSize,z=t.curve,y=Math.max(s.width,s.height),_=y/d,M=v.sub(l).mag();if("minZoom"in t){var T=util.clamp(Math.min(t.minZoom,h,m),s.minZoom,s.maxZoom),E=y/s.zoomScale(T-h);z=Math.sqrt(E/M*2)}var x=z*z,L=e(0),P=function(t){return n(L)/n(L+z*t)},Z=function(t){return y*((n(L)*r(L+z*t)-o(L))/x)/M},B=(e(1)-L)/z;if(Math.abs(M)<1e-6){if(Math.abs(y-_)<1e-6)return this.easeTo(t);var j=_<y?-1:1;B=Math.abs(Math.log(_/y))/z,Z=function(){return 0},P=function(t){return Math.exp(j*z*t)}}if("duration"in t)t.duration=+t.duration;else{var q="screenSpeed"in t?+t.screenSpeed/z:+t.speed;t.duration=1e3*B/q}return this.zooming=!0,u!==g&&(this.rotating=!0),p!==f&&(this.pitching=!0),this.fire("movestart",i),this.fire("zoomstart",i),this._ease(function(t){var e=t*B,o=Z(e);s.zoom=h+s.scaleZoom(1/P(e)),s.center=s.unproject(l.add(v.sub(l).mult(o)),b),this.rotating&&(s.bearing=interpolate(u,g,t)),this.pitching&&(s.pitch=interpolate(p,f,t)),this.fire("move",i),this.fire("zoom",i),this.rotating&&this.fire("rotate",i),this.pitching&&this.fire("pitch",i)},function(){this.zooming=!1,this.rotating=!1,this.pitching=!1,this.fire("zoomend",i),this.fire("moveend",i)},t),this},i.prototype.isEasing=function(){return!!this._abortFn},i.prototype.stop=function(){return this._abortFn&&(this._abortFn(),this._finishEase()),this},i.prototype._ease=function(t,i,e){this._finishFn=i,this._abortFn=browser.timed(function(i){t.call(this,e.easing(i)),1===i&&this._finishEase()},e.animate===!1?0:e.duration,this)},i.prototype._finishEase=function(){delete this._abortFn;var t=this._finishFn;delete this._finishFn,t.call(this)},i.prototype._normalizeBearing=function(t,i){t=util.wrap(t,-180,180);var e=Math.abs(t-i);return Math.abs(t-360-i)<e&&(t-=360),Math.abs(t+360-i)<e&&(t+=360),t},i.prototype._smoothOutEasing=function(t){var i=util.ease;if(this._prevEase){var e=this._prevEase,o=(Date.now()-e.start)/e.duration,n=e.easing(o+.01)-e.easing(o),r=.27/Math.sqrt(n*n+1e-4)*.01,s=Math.sqrt(.0729-r*r);i=util.bezier(r,s,.25,1)}return this._prevEase={start:(new Date).getTime(),duration:t,easing:i},i},i}(Evented);module.exports=Camera;
+},{"../geo/lng_lat":19,"../geo/lng_lat_bounds":20,"../util/browser":107,"../util/evented":115,"../util/interpolate":118,"../util/util":126,"point-geometry":194}],90:[function(require,module,exports){
+"use strict";var DOM=require("../../util/dom"),util=require("../../util/util"),AttributionControl=function(){util.bindAll(["_updateEditLink","_updateData"],this)};AttributionControl.prototype.getDefaultPosition=function(){return"bottom-right"},AttributionControl.prototype.onAdd=function(t){return this._map=t,this._container=DOM.create("div","mapboxgl-ctrl mapboxgl-ctrl-attrib"),this._updateAttributions(),this._updateEditLink(),this._map.on("data",this._updateData),this._map.on("moveend",this._updateEditLink),this._container},AttributionControl.prototype.onRemove=function(){this._container.parentNode.removeChild(this._container),this._map.off("data",this._updateData),this._map.off("moveend",this._updateEditLink),this._map=void 0},AttributionControl.prototype._updateEditLink=function(){if(this._editLink||(this._editLink=this._container.querySelector(".mapbox-improve-map")),this._editLink){var t=this._map.getCenter();this._editLink.href="https://www.mapbox.com/map-feedback/#/"+t.lng+"/"+t.lat+"/"+Math.round(this._map.getZoom()+1)}},AttributionControl.prototype._updateData=function(t){"source"===t.dataType&&(this._updateAttributions(),this._updateEditLink())},AttributionControl.prototype._updateAttributions=function(){if(this._map.style){var t=[],i=this._map.style.sourceCaches;for(var o in i){var n=i[o].getSource();n.attribution&&t.indexOf(n.attribution)<0&&t.push(n.attribution)}t.sort(function(t,i){return t.length-i.length}),t=t.filter(function(i,o){for(var n=o+1;n<t.length;n++)if(t[n].indexOf(i)>=0)return!1;return!0}),this._container.innerHTML=t.join(" | "),this._editLink=null}},module.exports=AttributionControl;
+},{"../../util/dom":114,"../../util/util":126}],91:[function(require,module,exports){
+"use strict";function checkGeolocationSupport(t){void 0!==supportsGeolocation?t(supportsGeolocation):void 0!==window.navigator.permissions?window.navigator.permissions.query({name:"geolocation"}).then(function(o){supportsGeolocation="denied"!==o.state,t(supportsGeolocation)}):(supportsGeolocation=!!window.navigator.geolocation,t(supportsGeolocation))}var Evented=require("../../util/evented"),DOM=require("../../util/dom"),window=require("../../util/window"),util=require("../../util/util"),geoOptions={enableHighAccuracy:!1,timeout:6e3},className="mapboxgl-ctrl",supportsGeolocation,GeolocateControl=function(t){function o(){t.call(this),util.bindAll(["_onSuccess","_onError","_finish","_setupUI"],this)}return t&&(o.__proto__=t),o.prototype=Object.create(t&&t.prototype),o.prototype.constructor=o,o.prototype.onAdd=function(t){return this._map=t,this._container=DOM.create("div",className+" "+className+"-group"),checkGeolocationSupport(this._setupUI),this._container},o.prototype.onRemove=function(){this._container.parentNode.removeChild(this._container),this._map=void 0},o.prototype._onSuccess=function(t){this._map.jumpTo({center:[t.coords.longitude,t.coords.latitude],zoom:17,bearing:0,pitch:0}),this.fire("geolocate",t),this._finish()},o.prototype._onError=function(t){this.fire("error",t),this._finish()},o.prototype._finish=function(){this._timeoutId&&clearTimeout(this._timeoutId),this._timeoutId=void 0},o.prototype._setupUI=function(t){t!==!1&&(this._container.addEventListener("contextmenu",function(t){return t.preventDefault()}),this._geolocateButton=DOM.create("button",className+"-icon "+className+"-geolocate",this._container),this._geolocateButton.type="button",this._geolocateButton.setAttribute("aria-label","Geolocate"),this._geolocateButton.addEventListener("click",this._onClickGeolocate.bind(this)))},o.prototype._onClickGeolocate=function(){window.navigator.geolocation.getCurrentPosition(this._onSuccess,this._onError,geoOptions),this._timeoutId=setTimeout(this._finish,1e4)},o}(Evented);module.exports=GeolocateControl;
+},{"../../util/dom":114,"../../util/evented":115,"../../util/util":126,"../../util/window":109}],92:[function(require,module,exports){
+"use strict";function copyMouseEvent(t){return new window.MouseEvent(t.type,{button:2,buttons:2,bubbles:!0,cancelable:!0,detail:t.detail,view:t.view,screenX:t.screenX,screenY:t.screenY,clientX:t.clientX,clientY:t.clientY,movementX:t.movementX,movementY:t.movementY,ctrlKey:t.ctrlKey,shiftKey:t.shiftKey,altKey:t.altKey,metaKey:t.metaKey})}var DOM=require("../../util/dom"),window=require("../../util/window"),util=require("../../util/util"),className="mapboxgl-ctrl",NavigationControl=function(){util.bindAll(["_rotateCompassArrow"],this)};NavigationControl.prototype._rotateCompassArrow=function(){var t="rotate("+this._map.transform.angle*(180/Math.PI)+"deg)";this._compassArrow.style.transform=t},NavigationControl.prototype.onAdd=function(t){return this._map=t,this._container=DOM.create("div",className+" "+className+"-group",t.getContainer()),this._container.addEventListener("contextmenu",this._onContextMenu.bind(this)),this._zoomInButton=this._createButton(className+"-icon "+className+"-zoom-in","Zoom In",t.zoomIn.bind(t)),this._zoomOutButton=this._createButton(className+"-icon "+className+"-zoom-out","Zoom Out",t.zoomOut.bind(t)),this._compass=this._createButton(className+"-icon "+className+"-compass","Reset North",t.resetNorth.bind(t)),this._compassArrow=DOM.create("span","arrow",this._compass),this._compass.addEventListener("mousedown",this._onCompassDown.bind(this)),this._onCompassMove=this._onCompassMove.bind(this),this._onCompassUp=this._onCompassUp.bind(this),this._map.on("rotate",this._rotateCompassArrow),this._rotateCompassArrow(),this._container},NavigationControl.prototype.onRemove=function(){this._container.parentNode.removeChild(this._container),this._map.off("rotate",this._rotateCompassArrow),this._map=void 0},NavigationControl.prototype._onContextMenu=function(t){t.preventDefault()},NavigationControl.prototype._onCompassDown=function(t){0===t.button&&(DOM.disableDrag(),window.document.addEventListener("mousemove",this._onCompassMove),window.document.addEventListener("mouseup",this._onCompassUp),this._map.getCanvasContainer().dispatchEvent(copyMouseEvent(t)),t.stopPropagation())},NavigationControl.prototype._onCompassMove=function(t){0===t.button&&(this._map.getCanvasContainer().dispatchEvent(copyMouseEvent(t)),t.stopPropagation())},NavigationControl.prototype._onCompassUp=function(t){0===t.button&&(window.document.removeEventListener("mousemove",this._onCompassMove),window.document.removeEventListener("mouseup",this._onCompassUp),DOM.enableDrag(),this._map.getCanvasContainer().dispatchEvent(copyMouseEvent(t)),t.stopPropagation())},NavigationControl.prototype._createButton=function(t,o,e){var n=DOM.create("button",t,this._container);return n.type="button",n.setAttribute("aria-label",o),n.addEventListener("click",function(){e()}),n},module.exports=NavigationControl;
+},{"../../util/dom":114,"../../util/util":126,"../../util/window":109}],93:[function(require,module,exports){
+"use strict";function updateScale(t,e,o){var n=o&&o.maxWidth||100,i=t._container.clientHeight/2,a=getDistance(t.unproject([0,i]),t.unproject([n,i]));if(o&&"imperial"===o.unit){var r=3.2808*a;if(r>5280){var l=r/5280;setScale(e,n,l,"mi")}else setScale(e,n,r,"ft")}else setScale(e,n,a,"m")}function setScale(t,e,o,n){var i=getRoundNum(o),a=i/o;"m"===n&&i>=1e3&&(i/=1e3,n="km"),t.style.width=e*a+"px",t.innerHTML=i+n}function getDistance(t,e){var o=6371e3,n=Math.PI/180,i=t.lat*n,a=e.lat*n,r=Math.sin(i)*Math.sin(a)+Math.cos(i)*Math.cos(a)*Math.cos((e.lng-t.lng)*n),l=o*Math.acos(Math.min(r,1));return l}function getRoundNum(t){var e=Math.pow(10,(""+Math.floor(t)).length-1),o=t/e;return o=o>=10?10:o>=5?5:o>=3?3:o>=2?2:1,e*o}var DOM=require("../../util/dom"),util=require("../../util/util"),ScaleControl=function(t){this.options=t,util.bindAll(["_onMove"],this)};ScaleControl.prototype.getDefaultPosition=function(){return"bottom-left"},ScaleControl.prototype._onMove=function(){updateScale(this._map,this._container,this.options)},ScaleControl.prototype.onAdd=function(t){return this._map=t,this._container=DOM.create("div","mapboxgl-ctrl mapboxgl-ctrl-scale",t.getContainer()),this._map.on("move",this._onMove),this._onMove(),this._container},ScaleControl.prototype.onRemove=function(){this._container.parentNode.removeChild(this._container),this._map.off("move",this._onMove),this._map=void 0},module.exports=ScaleControl;
+},{"../../util/dom":114,"../../util/util":126}],94:[function(require,module,exports){
+"use strict";var DOM=require("../../util/dom"),LngLatBounds=require("../../geo/lng_lat_bounds"),util=require("../../util/util"),window=require("../../util/window"),BoxZoomHandler=function(o){this._map=o,this._el=o.getCanvasContainer(),this._container=o.getContainer(),util.bindAll(["_onMouseDown","_onMouseMove","_onMouseUp","_onKeyDown"],this)};BoxZoomHandler.prototype.isEnabled=function(){return!!this._enabled},BoxZoomHandler.prototype.isActive=function(){return!!this._active},BoxZoomHandler.prototype.enable=function(){this.isEnabled()||(this._el.addEventListener("mousedown",this._onMouseDown,!1),this._enabled=!0)},BoxZoomHandler.prototype.disable=function(){this.isEnabled()&&(this._el.removeEventListener("mousedown",this._onMouseDown),this._enabled=!1)},BoxZoomHandler.prototype._onMouseDown=function(o){o.shiftKey&&0===o.button&&(window.document.addEventListener("mousemove",this._onMouseMove,!1),window.document.addEventListener("keydown",this._onKeyDown,!1),window.document.addEventListener("mouseup",this._onMouseUp,!1),DOM.disableDrag(),this._startPos=DOM.mousePos(this._el,o),this._active=!0)},BoxZoomHandler.prototype._onMouseMove=function(o){var e=this._startPos,t=DOM.mousePos(this._el,o);this._box||(this._box=DOM.create("div","mapboxgl-boxzoom",this._container),this._container.classList.add("mapboxgl-crosshair"),this._fireEvent("boxzoomstart",o));var n=Math.min(e.x,t.x),i=Math.max(e.x,t.x),s=Math.min(e.y,t.y),r=Math.max(e.y,t.y);DOM.setTransform(this._box,"translate("+n+"px,"+s+"px)"),this._box.style.width=i-n+"px",this._box.style.height=r-s+"px"},BoxZoomHandler.prototype._onMouseUp=function(o){if(0===o.button){var e=this._startPos,t=DOM.mousePos(this._el,o),n=(new LngLatBounds).extend(this._map.unproject(e)).extend(this._map.unproject(t));this._finish(),e.x===t.x&&e.y===t.y?this._fireEvent("boxzoomcancel",o):this._map.fitBounds(n,{linear:!0}).fire("boxzoomend",{originalEvent:o,boxZoomBounds:n})}},BoxZoomHandler.prototype._onKeyDown=function(o){27===o.keyCode&&(this._finish(),this._fireEvent("boxzoomcancel",o))},BoxZoomHandler.prototype._finish=function(){this._active=!1,window.document.removeEventListener("mousemove",this._onMouseMove,!1),window.document.removeEventListener("keydown",this._onKeyDown,!1),window.document.removeEventListener("mouseup",this._onMouseUp,!1),this._container.classList.remove("mapboxgl-crosshair"),this._box&&(this._box.parentNode.removeChild(this._box),this._box=null),DOM.enableDrag()},BoxZoomHandler.prototype._fireEvent=function(o,e){return this._map.fire(o,{originalEvent:e})},module.exports=BoxZoomHandler;
+},{"../../geo/lng_lat_bounds":20,"../../util/dom":114,"../../util/util":126,"../../util/window":109}],95:[function(require,module,exports){
+"use strict";var DoubleClickZoomHandler=function(o){this._map=o,this._onDblClick=this._onDblClick.bind(this)};DoubleClickZoomHandler.prototype.isEnabled=function(){return!!this._enabled},DoubleClickZoomHandler.prototype.enable=function(){this.isEnabled()||(this._map.on("dblclick",this._onDblClick),this._enabled=!0)},DoubleClickZoomHandler.prototype.disable=function(){this.isEnabled()&&(this._map.off("dblclick",this._onDblClick),this._enabled=!1)},DoubleClickZoomHandler.prototype._onDblClick=function(o){this._map.zoomTo(this._map.getZoom()+(o.originalEvent.shiftKey?-1:1),{around:o.lngLat},o)},module.exports=DoubleClickZoomHandler;
+},{}],96:[function(require,module,exports){
+"use strict";var DOM=require("../../util/dom"),util=require("../../util/util"),window=require("../../util/window"),inertiaLinearity=.3,inertiaEasing=util.bezier(0,0,inertiaLinearity,1),inertiaMaxSpeed=1400,inertiaDeceleration=2500,DragPanHandler=function(t){this._map=t,this._el=t.getCanvasContainer(),util.bindAll(["_onDown","_onMove","_onUp","_onTouchEnd","_onMouseUp"],this)};DragPanHandler.prototype.isEnabled=function(){return!!this._enabled},DragPanHandler.prototype.isActive=function(){return!!this._active},DragPanHandler.prototype.enable=function(){this.isEnabled()||(this._el.addEventListener("mousedown",this._onDown),this._el.addEventListener("touchstart",this._onDown),this._enabled=!0)},DragPanHandler.prototype.disable=function(){this.isEnabled()&&(this._el.removeEventListener("mousedown",this._onDown),this._el.removeEventListener("touchstart",this._onDown),this._enabled=!1)},DragPanHandler.prototype._onDown=function(t){this._ignoreEvent(t)||this.isActive()||(t.touches?(window.document.addEventListener("touchmove",this._onMove),window.document.addEventListener("touchend",this._onTouchEnd)):(window.document.addEventListener("mousemove",this._onMove),window.document.addEventListener("mouseup",this._onMouseUp)),this._active=!1,this._startPos=this._pos=DOM.mousePos(this._el,t),this._inertia=[[Date.now(),this._pos]])},DragPanHandler.prototype._onMove=function(t){if(!this._ignoreEvent(t)){this.isActive()||(this._active=!0,this._fireEvent("dragstart",t),this._fireEvent("movestart",t));var e=DOM.mousePos(this._el,t),n=this._map;n.stop(),this._drainInertiaBuffer(),this._inertia.push([Date.now(),e]),n.transform.setLocationAtPoint(n.transform.pointLocation(this._pos),e),this._fireEvent("drag",t),this._fireEvent("move",t),this._pos=e,t.preventDefault()}},DragPanHandler.prototype._onUp=function(t){var e=this;if(this.isActive()){this._active=!1,this._fireEvent("dragend",t),this._drainInertiaBuffer();var n=function(){return e._fireEvent("moveend",t)},i=this._inertia;if(i.length<2)return void n();var o=i[i.length-1],r=i[0],a=o[1].sub(r[1]),s=(o[0]-r[0])/1e3;if(0===s||o[1].equals(r[1]))return void n();var u=a.mult(inertiaLinearity/s),h=u.mag();h>inertiaMaxSpeed&&(h=inertiaMaxSpeed,u._unit()._mult(h));var d=h/(inertiaDeceleration*inertiaLinearity),v=u.mult(-d/2);this._map.panBy(v,{duration:1e3*d,easing:inertiaEasing,noMoveStart:!0},{originalEvent:t})}},DragPanHandler.prototype._onMouseUp=function(t){this._ignoreEvent(t)||(this._onUp(t),window.document.removeEventListener("mousemove",this._onMove),window.document.removeEventListener("mouseup",this._onMouseUp))},DragPanHandler.prototype._onTouchEnd=function(t){this._ignoreEvent(t)||(this._onUp(t),window.document.removeEventListener("touchmove",this._onMove),window.document.removeEventListener("touchend",this._onTouchEnd))},DragPanHandler.prototype._fireEvent=function(t,e){return this._map.fire(t,{originalEvent:e})},DragPanHandler.prototype._ignoreEvent=function(t){var e=this._map;if(e.boxZoom&&e.boxZoom.isActive())return!0;if(e.dragRotate&&e.dragRotate.isActive())return!0;if(t.touches)return t.touches.length>1;if(t.ctrlKey)return!0;var n=1,i=0;return"mousemove"===t.type?t.buttons&0===n:t.button!==i},DragPanHandler.prototype._drainInertiaBuffer=function(){for(var t=this._inertia,e=Date.now(),n=160;t.length>0&&e-t[0][0]>n;)t.shift()},module.exports=DragPanHandler;
+},{"../../util/dom":114,"../../util/util":126,"../../util/window":109}],97:[function(require,module,exports){
+"use strict";var DOM=require("../../util/dom"),util=require("../../util/util"),window=require("../../util/window"),inertiaLinearity=.25,inertiaEasing=util.bezier(0,0,inertiaLinearity,1),inertiaMaxSpeed=180,inertiaDeceleration=720,DragRotateHandler=function(t,e){this._map=t,this._el=t.getCanvasContainer(),this._bearingSnap=e.bearingSnap,this._pitchWithRotate=e.pitchWithRotate!==!1,util.bindAll(["_onDown","_onMove","_onUp"],this)};DragRotateHandler.prototype.isEnabled=function(){return!!this._enabled},DragRotateHandler.prototype.isActive=function(){return!!this._active},DragRotateHandler.prototype.enable=function(){this.isEnabled()||(this._el.addEventListener("mousedown",this._onDown),this._enabled=!0)},DragRotateHandler.prototype.disable=function(){this.isEnabled()&&(this._el.removeEventListener("mousedown",this._onDown),this._enabled=!1)},DragRotateHandler.prototype._onDown=function(t){this._ignoreEvent(t)||this.isActive()||(window.document.addEventListener("mousemove",this._onMove),window.document.addEventListener("mouseup",this._onUp),this._active=!1,this._inertia=[[Date.now(),this._map.getBearing()]],this._startPos=this._pos=DOM.mousePos(this._el,t),this._center=this._map.transform.centerPoint,t.preventDefault())},DragRotateHandler.prototype._onMove=function(t){if(!this._ignoreEvent(t)){this.isActive()||(this._active=!0,this._fireEvent("rotatestart",t),this._fireEvent("movestart",t));var e=this._map;e.stop();var i=this._pos,n=DOM.mousePos(this._el,t),r=.8*(i.x-n.x),a=(i.y-n.y)*-.5,o=e.getBearing()-r,s=e.getPitch()-a,h=this._inertia,_=h[h.length-1];this._drainInertiaBuffer(),h.push([Date.now(),e._normalizeBearing(o,_[1])]),e.transform.bearing=o,this._pitchWithRotate&&(e.transform.pitch=s),this._fireEvent("rotate",t),this._fireEvent("move",t),this._pos=n}},DragRotateHandler.prototype._onUp=function(t){var e=this;if(!this._ignoreEvent(t)&&(window.document.removeEventListener("mousemove",this._onMove),window.document.removeEventListener("mouseup",this._onUp),this.isActive())){this._active=!1,this._fireEvent("rotateend",t),this._drainInertiaBuffer();var i=this._map,n=i.getBearing(),r=this._inertia,a=function(){Math.abs(n)<e._bearingSnap?i.resetNorth({noMoveStart:!0},{originalEvent:t}):e._fireEvent("moveend",t)};if(r.length<2)return void a();var o=r[0],s=r[r.length-1],h=r[r.length-2],_=i._normalizeBearing(n,h[1]),v=s[1]-o[1],u=v<0?-1:1,d=(s[0]-o[0])/1e3;if(0===v||0===d)return void a();var l=Math.abs(v*(inertiaLinearity/d));l>inertiaMaxSpeed&&(l=inertiaMaxSpeed);var p=l/(inertiaDeceleration*inertiaLinearity),g=u*l*(p/2);_+=g,Math.abs(i._normalizeBearing(_,0))<this._bearingSnap&&(_=i._normalizeBearing(0,_)),i.rotateTo(_,{duration:1e3*p,easing:inertiaEasing,noMoveStart:!0},{originalEvent:t})}},DragRotateHandler.prototype._fireEvent=function(t,e){return this._map.fire(t,{originalEvent:e})},DragRotateHandler.prototype._ignoreEvent=function(t){var e=this._map;if(e.boxZoom&&e.boxZoom.isActive())return!0;if(e.dragPan&&e.dragPan.isActive())return!0;if(t.touches)return t.touches.length>1;var i=t.ctrlKey?1:2,n=t.ctrlKey?0:2;return"mousemove"===t.type?t.buttons&0===i:t.button!==n},DragRotateHandler.prototype._drainInertiaBuffer=function(){for(var t=this._inertia,e=Date.now(),i=160;t.length>0&&e-t[0][0]>i;)t.shift()},module.exports=DragRotateHandler;
+},{"../../util/dom":114,"../../util/util":126,"../../util/window":109}],98:[function(require,module,exports){
+"use strict";function easeOut(e){return e*(2-e)}var panStep=100,bearingStep=15,pitchStep=10,KeyboardHandler=function(e){this._map=e,this._el=e.getCanvasContainer(),this._onKeyDown=this._onKeyDown.bind(this)};KeyboardHandler.prototype.isEnabled=function(){return!!this._enabled},KeyboardHandler.prototype.enable=function(){this.isEnabled()||(this._el.addEventListener("keydown",this._onKeyDown,!1),this._enabled=!0)},KeyboardHandler.prototype.disable=function(){this.isEnabled()&&(this._el.removeEventListener("keydown",this._onKeyDown),this._enabled=!1)},KeyboardHandler.prototype._onKeyDown=function(e){if(!(e.altKey||e.ctrlKey||e.metaKey)){var t=0,n=0,a=0,i=0,r=0;switch(e.keyCode){case 61:case 107:case 171:case 187:t=1;break;case 189:case 109:case 173:t=-1;break;case 37:e.shiftKey?n=-1:(e.preventDefault(),i=-1);break;case 39:e.shiftKey?n=1:(e.preventDefault(),i=1);break;case 38:e.shiftKey?a=1:(e.preventDefault(),r=-1);break;case 40:e.shiftKey?a=-1:(r=1,e.preventDefault())}var s=this._map,o=s.getZoom(),d={duration:300,delayEndEvents:500,easing:easeOut,zoom:t?Math.round(o)+t*(e.shiftKey?2:1):o,bearing:s.getBearing()+n*bearingStep,pitch:s.getPitch()+a*pitchStep,offset:[-i*panStep,-r*panStep],center:s.getCenter()};s.easeTo(d,{originalEvent:e})}},module.exports=KeyboardHandler;
 },{}],99:[function(require,module,exports){
-"use strict";function DictionaryCoder(r){this._stringToNumber={},this._numberToString=[];for(var t=0;t<r.length;t++){var o=r[t];this._stringToNumber[o]=t,this._numberToString[t]=o}}module.exports=DictionaryCoder,DictionaryCoder.prototype.encode=function(r){return this._stringToNumber[r]},DictionaryCoder.prototype.decode=function(r){return this._numberToString[r]};
-},{}],100:[function(require,module,exports){
-"use strict";var util=require("./util"),Evented={on:function(t,e){return this._events=this._events||{},this._events[t]=this._events[t]||[],this._events[t].push(e),this},off:function(t,e){if(!t)return delete this._events,this;if(!this.listens(t))return this;if(e){var s=this._events[t].indexOf(e);s>=0&&this._events[t].splice(s,1),this._events[t].length||delete this._events[t]}else delete this._events[t];return this},once:function(t,e){var s=function(i){this.off(t,s),e.call(this,i)}.bind(this);return this.on(t,s),this},fire:function(t,e){if(!this.listens(t))return this;e=util.extend({},e),util.extend(e,{type:t,target:this});for(var s=this._events[t].slice(),i=0;i<s.length;i++)s[i].call(this,e);return this},listens:function(t){return!(!this._events||!this._events[t])}};module.exports=Evented;
-},{"./util":108}],101:[function(require,module,exports){
-"use strict";function Glyphs(a,e){this.stacks=a.readFields(readFontstacks,[],e)}function readFontstacks(a,e,r){if(1===a){var t=r.readMessage(readFontstack,{glyphs:{}});e.push(t)}}function readFontstack(a,e,r){if(1===a)e.name=r.readString();else if(2===a)e.range=r.readString();else if(3===a){var t=r.readMessage(readGlyph,{});e.glyphs[t.id]=t}}function readGlyph(a,e,r){1===a?e.id=r.readVarint():2===a?e.bitmap=r.readBytes():3===a?e.width=r.readVarint():4===a?e.height=r.readVarint():5===a?e.left=r.readSVarint():6===a?e.top=r.readSVarint():7===a&&(e.advance=r.readVarint())}module.exports=Glyphs;
-},{}],102:[function(require,module,exports){
-"use strict";function interpolate(t,e,n){return t*(1-n)+e*n}module.exports=interpolate,interpolate.number=interpolate,interpolate.vec2=function(t,e,n){return[interpolate(t[0],e[0],n),interpolate(t[1],e[1],n)]},interpolate.color=function(t,e,n){return[interpolate(t[0],e[0],n),interpolate(t[1],e[1],n),interpolate(t[2],e[2],n),interpolate(t[3],e[3],n)]},interpolate.array=function(t,e,n){return t.map(function(t,r){return interpolate(t,e[r],n)})};
-},{}],103:[function(require,module,exports){
-"use strict";function multiPolygonIntersectsBufferedMultiPoint(n,t,e){for(var r=0;r<n.length;r++)for(var i=n[r],o=0;o<t.length;o++)for(var u=t[o],l=0;l<u.length;l++){var f=u[l];if(polygonContainsPoint(i,f))return!0;if(pointIntersectsBufferedLine(f,i,e))return!0}return!1}function multiPolygonIntersectsMultiPolygon(n,t){if(1===n.length&&1===n[0].length)return multiPolygonContainsPoint(t,n[0][0]);for(var e=0;e<t.length;e++)for(var r=t[e],i=0;i<r.length;i++)if(multiPolygonContainsPoint(n,r[i]))return!0;for(var o=0;o<n.length;o++){for(var u=n[o],l=0;l<u.length;l++)if(multiPolygonContainsPoint(t,u[l]))return!0;for(var f=0;f<t.length;f++)if(lineIntersectsLine(u,t[f]))return!0}return!1}function multiPolygonIntersectsBufferedMultiLine(n,t,e){for(var r=0;r<t.length;r++)for(var i=t[r],o=0;o<n.length;o++){var u=n[o];if(u.length>=3)for(var l=0;l<i.length;l++)if(polygonContainsPoint(u,i[l]))return!0;if(lineIntersectsBufferedLine(u,i,e))return!0}return!1}function lineIntersectsBufferedLine(n,t,e){if(n.length>1){if(lineIntersectsLine(n,t))return!0;for(var r=0;r<t.length;r++)if(pointIntersectsBufferedLine(t[r],n,e))return!0}for(var i=0;i<n.length;i++)if(pointIntersectsBufferedLine(n[i],t,e))return!0;return!1}function lineIntersectsLine(n,t){for(var e=0;e<n.length-1;e++)for(var r=n[e],i=n[e+1],o=0;o<t.length-1;o++){var u=t[o],l=t[o+1];if(lineSegmentIntersectsLineSegment(r,i,u,l))return!0}return!1}function isCounterClockwise(n,t,e){return(e.y-n.y)*(t.x-n.x)>(t.y-n.y)*(e.x-n.x)}function lineSegmentIntersectsLineSegment(n,t,e,r){return isCounterClockwise(n,e,r)!==isCounterClockwise(t,e,r)&&isCounterClockwise(n,t,e)!==isCounterClockwise(n,t,r)}function pointIntersectsBufferedLine(n,t,e){var r=e*e;if(1===t.length)return n.distSqr(t[0])<r;for(var i=1;i<t.length;i++){var o=t[i-1],u=t[i];if(distToSegmentSquared(n,o,u)<r)return!0}return!1}function distToSegmentSquared(n,t,e){var r=t.distSqr(e);if(0===r)return n.distSqr(t);var i=((n.x-t.x)*(e.x-t.x)+(n.y-t.y)*(e.y-t.y))/r;return 0>i?n.distSqr(t):i>1?n.distSqr(e):n.distSqr(e.sub(t)._mult(i)._add(t))}function multiPolygonContainsPoint(n,t){for(var e,r,i,o=!1,u=0;u<n.length;u++){e=n[u];for(var l=0,f=e.length-1;l<e.length;f=l++)r=e[l],i=e[f],r.y>t.y!=i.y>t.y&&t.x<(i.x-r.x)*(t.y-r.y)/(i.y-r.y)+r.x&&(o=!o)}return o}function polygonContainsPoint(n,t){for(var e=!1,r=0,i=n.length-1;r<n.length;i=r++){var o=n[r],u=n[i];o.y>t.y!=u.y>t.y&&t.x<(u.x-o.x)*(t.y-o.y)/(u.y-o.y)+o.x&&(e=!e)}return e}module.exports={multiPolygonIntersectsBufferedMultiPoint:multiPolygonIntersectsBufferedMultiPoint,multiPolygonIntersectsMultiPolygon:multiPolygonIntersectsMultiPolygon,multiPolygonIntersectsBufferedMultiLine:multiPolygonIntersectsBufferedMultiLine};
-},{}],104:[function(require,module,exports){
-"use strict";function LRUCache(t,e){this.max=t,this.onRemove=e,this.reset()}module.exports=LRUCache,LRUCache.prototype.reset=function(){for(var t in this.data)this.onRemove(this.data[t]);return this.data={},this.order=[],this},LRUCache.prototype.add=function(t,e){if(this.has(t))this.order.splice(this.order.indexOf(t),1),this.data[t]=e,this.order.push(t);else if(this.data[t]=e,this.order.push(t),this.order.length>this.max){var i=this.get(this.order[0]);i&&this.onRemove(i)}return this},LRUCache.prototype.has=function(t){return t in this.data},LRUCache.prototype.keys=function(){return this.order},LRUCache.prototype.get=function(t){if(!this.has(t))return null;var e=this.data[t];return delete this.data[t],this.order.splice(this.order.indexOf(t),1),e},LRUCache.prototype.setMaxSize=function(t){for(this.max=t;this.order.length>this.max;){var e=this.get(this.order[0]);e&&this.onRemove(e)}return this};
-},{}],105:[function(require,module,exports){
-"use strict";function normalizeURL(e,r,o){if(o=o||config.ACCESS_TOKEN,!o&&config.REQUIRE_ACCESS_TOKEN)throw new Error("An API access token is required to use Mapbox GL. See https://www.mapbox.com/developers/api/#access-tokens");if(e=e.replace(/^mapbox:\/\//,config.API_URL+r),e+=-1!==e.indexOf("?")?"&access_token=":"?access_token=",config.REQUIRE_ACCESS_TOKEN){if("s"===o[0])throw new Error("Use a public access token (pk.*) with Mapbox GL JS, not a secret access token (sk.*). See https://www.mapbox.com/developers/api/#access-tokens");e+=o}return e}function formatQuery(e){return e?"?"+e:""}function replaceTempAccessToken(e){return e.access_token&&"tk."===e.access_token.slice(0,3)?util.extend({},e,{access_token:config.ACCESS_TOKEN}):e}var config=require("./config"),browser=require("./browser"),URL=require("url"),util=require("./util");module.exports.normalizeStyleURL=function(e,r){var o=URL.parse(e);return"mapbox:"!==o.protocol?e:normalizeURL("mapbox:/"+o.pathname+formatQuery(o.query),"/styles/v1/",r)},module.exports.normalizeSourceURL=function(e,r){var o=URL.parse(e);return"mapbox:"!==o.protocol?e:normalizeURL(e+".json","/v4/",r)+"&secure"},module.exports.normalizeGlyphsURL=function(e,r){var o=URL.parse(e);if("mapbox:"!==o.protocol)return e;var t=o.pathname.split("/")[1];return normalizeURL("mapbox://"+t+"/{fontstack}/{range}.pbf"+formatQuery(o.query),"/fonts/v1/",r)},module.exports.normalizeSpriteURL=function(e,r,o,t){var a=URL.parse(e);return"mapbox:"!==a.protocol?(a.pathname+=r+o,URL.format(a)):normalizeURL("mapbox:/"+a.pathname+"/sprite"+r+o+formatQuery(a.query),"/styles/v1/",t)},module.exports.normalizeTileURL=function(e,r,o){var t=URL.parse(e,!0);if(!r)return e;var a=URL.parse(r);if("mapbox:"!==a.protocol)return e;var n=browser.supportsWebp?".webp":"$1",s=browser.devicePixelRatio>=2||512===o?"@2x":"";return URL.format({protocol:t.protocol,hostname:t.hostname,pathname:t.pathname.replace(/(\.(?:png|jpg)\d*)/,s+n),query:replaceTempAccessToken(t.query)})};
-},{"./browser":93,"./config":98,"./util":108,"url":117}],106:[function(require,module,exports){
-"use strict";function StructArrayType(t){function e(){Struct.apply(this,arguments)}function r(){StructArray.apply(this,arguments),this.members=e.prototype.members}var i=JSON.stringify(t);if(structArrayTypeCache[i])return structArrayTypeCache[i];void 0===t.alignment&&(t.alignment=1),e.prototype=Object.create(Struct.prototype);var n=0,a=0,s=["Uint8"];return e.prototype.members=t.members.map(function(r){r={name:r.name,type:r.type,components:r.components||1},s.indexOf(r.type)<0&&s.push(r.type);var i=sizeOf(r.type);a=Math.max(a,i),r.offset=n=align(n,Math.max(t.alignment,i));for(var o=0;o<r.components;o++)Object.defineProperty(e.prototype,r.name+(1===r.components?"":o),{get:createGetter(r,o),set:createSetter(r,o)});return n+=i*r.components,r}),e.prototype.alignment=t.alignment,e.prototype.size=align(n,Math.max(a,t.alignment)),r.serialize=serializeStructArrayType,r.prototype=Object.create(StructArray.prototype),r.prototype.StructType=e,r.prototype.bytesPerElement=e.prototype.size,r.prototype.emplaceBack=createEmplaceBack(e.prototype.members,e.prototype.size),r.prototype._usedTypes=s,structArrayTypeCache[i]=r,r}function serializeStructArrayType(){return{members:this.prototype.StructType.prototype.members,alignment:this.prototype.StructType.prototype.alignment,bytesPerElement:this.prototype.bytesPerElement}}function align(t,e){return Math.ceil(t/e)*e}function sizeOf(t){return viewTypes[t].BYTES_PER_ELEMENT}function getArrayViewName(t){return t.toLowerCase()}function createEmplaceBack(t,e){for(var r=[],i=[],n="var i = this.length;\nthis.resize(this.length + 1);\n",a=0;a<t.length;a++){var s=t[a],o=sizeOf(s.type);r.indexOf(o)<0&&(r.push(o),n+="var o"+o.toFixed(0)+" = i * "+(e/o).toFixed(0)+";\n");for(var p=0;p<s.components;p++){var y="v"+i.length,c="o"+o.toFixed(0)+" + "+(s.offset/o+p).toFixed(0);n+="this."+getArrayViewName(s.type)+"["+c+"] = "+y+";\n",i.push(y)}}return n+="return i;",new Function(i,n)}function createMemberComponentString(t,e){var r="this._pos"+sizeOf(t.type).toFixed(0),i=(t.offset/sizeOf(t.type)+e).toFixed(0),n=r+" + "+i;return"this._structArray."+getArrayViewName(t.type)+"["+n+"]"}function createGetter(t,e){return new Function([],"return "+createMemberComponentString(t,e)+";")}function createSetter(t,e){return new Function(["x"],createMemberComponentString(t,e)+" = x;")}function Struct(t,e){this._structArray=t,this._pos1=e*this.size,this._pos2=this._pos1/2,this._pos4=this._pos1/4,this._pos8=this._pos1/8}function StructArray(t){void 0!==t?(this.arrayBuffer=t.arrayBuffer,this.length=t.length,this.capacity=this.arrayBuffer.byteLength/this.bytesPerElement,this._refreshViews()):(this.capacity=-1,this.resize(0))}module.exports=StructArrayType;var viewTypes={Int8:Int8Array,Uint8:Uint8Array,Uint8Clamped:Uint8ClampedArray,Int16:Int16Array,Uint16:Uint16Array,Int32:Int32Array,Uint32:Uint32Array,Float32:Float32Array,Float64:Float64Array},structArrayTypeCache={};StructArray.prototype.DEFAULT_CAPACITY=128,StructArray.prototype.RESIZE_MULTIPLIER=5,StructArray.prototype.serialize=function(){return this.trim(),{length:this.length,arrayBuffer:this.arrayBuffer}},StructArray.prototype.get=function(t){return new this.StructType(this,t)},StructArray.prototype.trim=function(){this.length!==this.capacity&&(this.capacity=this.length,this.arrayBuffer=this.arrayBuffer.slice(0,this.length*this.bytesPerElement),this._refreshViews())},StructArray.prototype.resize=function(t){if(this.length=t,t>this.capacity){this.capacity=Math.max(t,Math.floor(this.capacity*this.RESIZE_MULTIPLIER),this.DEFAULT_CAPACITY),this.arrayBuffer=new ArrayBuffer(this.capacity*this.bytesPerElement);var e=this.uint8;this._refreshViews(),e&&this.uint8.set(e)}},StructArray.prototype._refreshViews=function(){for(var t=0;t<this._usedTypes.length;t++){var e=this._usedTypes[t];this[getArrayViewName(e)]=new viewTypes[e](this.arrayBuffer)}},StructArray.prototype.toArray=function(t,e){for(var r=[],i=t;e>i;i++){var n=this.get(i);r.push(n)}return r};
-},{}],107:[function(require,module,exports){
-"use strict";function resolveTokens(e,n){return n.replace(/{([^{}]+)}/g,function(n,r){return r in e?e[r]:""})}module.exports=resolveTokens;
-},{}],108:[function(require,module,exports){
-"use strict";var UnitBezier=require("unitbezier"),Coordinate=require("../geo/coordinate");exports.easeCubicInOut=function(r){if(0>=r)return 0;if(r>=1)return 1;var n=r*r,t=n*r;return 4*(.5>r?t:3*(r-n)+t-.75)},exports.bezier=function(r,n,t,e){var o=new UnitBezier(r,n,t,e);return function(r){return o.solve(r)}},exports.ease=exports.bezier(.25,.1,.25,1),exports.clamp=function(r,n,t){return Math.min(t,Math.max(n,r))},exports.wrap=function(r,n,t){var e=t-n,o=((r-n)%e+e)%e+n;return o===n?t:o},exports.coalesce=function(){for(var r=0;r<arguments.length;r++){var n=arguments[r];if(null!==n&&void 0!==n)return n}},exports.asyncAll=function(r,n,t){if(!r.length)return t(null,[]);var e=r.length,o=new Array(r.length),i=null;r.forEach(function(r,u){n(r,function(r,n){r&&(i=r),o[u]=n,0===--e&&t(i,o)})})},exports.keysDifference=function(r,n){var t=[];for(var e in r)e in n||t.push(e);return t},exports.extend=function(r){for(var n=1;n<arguments.length;n++){var t=arguments[n];for(var e in t)r[e]=t[e]}return r},exports.extendAll=function(r,n){for(var t in n)Object.defineProperty(r,t,Object.getOwnPropertyDescriptor(n,t));return r},exports.inherit=function(r,n){var t="function"==typeof r?r.prototype:r,e=Object.create(t);return exports.extendAll(e,n),e},exports.pick=function(r,n){for(var t={},e=0;e<n.length;e++){var o=n[e];o in r&&(t[o]=r[o])}return t};var id=1;exports.uniqueId=function(){return id++},exports.debounce=function(r,n){var t,e;return function(){e=arguments,clearTimeout(t),t=setTimeout(function(){r.apply(null,e)},n)}},exports.bindAll=function(r,n){r.forEach(function(r){n[r]=n[r].bind(n)})},exports.bindHandlers=function(r){for(var n in r)"function"==typeof r[n]&&0===n.indexOf("_on")&&(r[n]=r[n].bind(r))},exports.setOptions=function(r,n){r.hasOwnProperty("options")||(r.options=r.options?Object.create(r.options):{});for(var t in n)r.options[t]=n[t];return r.options},exports.getCoordinatesCenter=function(r){for(var n=1/0,t=1/0,e=-(1/0),o=-(1/0),i=0;i<r.length;i++)n=Math.min(n,r[i].column),t=Math.min(t,r[i].row),e=Math.max(e,r[i].column),o=Math.max(o,r[i].row);var u=e-n,a=o-t,f=Math.max(u,a);return new Coordinate((n+e)/2,(t+o)/2,0).zoomTo(Math.floor(-Math.log(f)/Math.LN2))},exports.endsWith=function(r,n){return-1!==r.indexOf(n,r.length-n.length)},exports.startsWith=function(r,n){return 0===r.indexOf(n)},exports.mapObject=function(r,n,t){var e={};for(var o in r)e[o]=n.call(t||this,r[o],o,r);return e},exports.filterObject=function(r,n,t){var e={};for(var o in r)n.call(t||this,r[o],o,r)&&(e[o]=r[o]);return e},exports.deepEqual=function r(n,t){if(Array.isArray(n)){if(!Array.isArray(t)||n.length!==t.length)return!1;for(var e=0;e<n.length;e++)if(!r(n[e],t[e]))return!1;return!0}if("object"==typeof n&&null!==n&&null!==t){if("object"!=typeof t)return!1;var o=Object.keys(n);if(o.length!==Object.keys(t).length)return!1;for(var i in n)if(!r(n[i],t[i]))return!1;return!0}return n===t},exports.clone=function(r){return Array.isArray(r)?r.map(exports.clone):"object"==typeof r?exports.mapObject(r,exports.clone):r},exports.arraysIntersect=function(r,n){for(var t=0;t<r.length;t++)if(n.indexOf(r[t])>=0)return!0;return!1};var warnOnceHistory={};exports.warnOnce=function(r){warnOnceHistory[r]||("undefined"!=typeof console&&console.warn(r),warnOnceHistory[r]=!0)};
-},{"../geo/coordinate":9,"unitbezier":185}],109:[function(require,module,exports){
-"use strict";function Feature(e,t,r,i){this._vectorTileFeature=e,e._z=t,e._x=r,e._y=i,this.properties=e.properties,e._id&&(this.id=e._id)}module.exports=Feature,Feature.prototype={type:"Feature",get geometry(){return void 0===this._geometry&&(this._geometry=this._vectorTileFeature.toGeoJSON(this._vectorTileFeature._x,this._vectorTileFeature._y,this._vectorTileFeature._z).geometry),this._geometry},set geometry(e){this._geometry=e},toJSON:function(){var e={};for(var t in this)"_geometry"!==t&&"_vectorTileFeature"!==t&&"toJSON"!==t&&(e[t]=this[t]);return e}};
+"use strict";var DOM=require("../../util/dom"),util=require("../../util/util"),browser=require("../../util/browser"),window=require("../../util/window"),ua=window.navigator.userAgent.toLowerCase(),firefox=ua.indexOf("firefox")!==-1,safari=ua.indexOf("safari")!==-1&&ua.indexOf("chrom")===-1,ScrollZoomHandler=function(e){this._map=e,this._el=e.getCanvasContainer(),util.bindAll(["_onWheel","_onTimeout"],this)};ScrollZoomHandler.prototype.isEnabled=function(){return!!this._enabled},ScrollZoomHandler.prototype.enable=function(){this.isEnabled()||(this._el.addEventListener("wheel",this._onWheel,!1),this._el.addEventListener("mousewheel",this._onWheel,!1),this._enabled=!0)},ScrollZoomHandler.prototype.disable=function(){this.isEnabled()&&(this._el.removeEventListener("wheel",this._onWheel),this._el.removeEventListener("mousewheel",this._onWheel),this._enabled=!1)},ScrollZoomHandler.prototype._onWheel=function(e){var t;"wheel"===e.type?(t=e.deltaY,firefox&&e.deltaMode===window.WheelEvent.DOM_DELTA_PIXEL&&(t/=browser.devicePixelRatio),e.deltaMode===window.WheelEvent.DOM_DELTA_LINE&&(t*=40)):"mousewheel"===e.type&&(t=-e.wheelDeltaY,safari&&(t/=3));var o=browser.now(),i=o-(this._time||0);this._pos=DOM.mousePos(this._el,e),this._time=o,0!==t&&t%4.000244140625===0?this._type="wheel":0!==t&&Math.abs(t)<4?this._type="trackpad":i>400?(this._type=null,this._lastValue=t,this._timeout=setTimeout(this._onTimeout,40)):this._type||(this._type=Math.abs(i*t)<200?"trackpad":"wheel",this._timeout&&(clearTimeout(this._timeout),this._timeout=null,t+=this._lastValue)),e.shiftKey&&t&&(t/=4),this._type&&this._zoom(-t,e),e.preventDefault()},ScrollZoomHandler.prototype._onTimeout=function(){this._type="wheel",this._zoom(-this._lastValue)},ScrollZoomHandler.prototype._zoom=function(e,t){if(0!==e){var o=this._map,i=2/(1+Math.exp(-Math.abs(e/100)));e<0&&0!==i&&(i=1/i);var l=o.ease?o.ease.to:o.transform.scale,s=o.transform.scaleZoom(l*i);o.zoomTo(s,{duration:"wheel"===this._type?200:0,around:o.unproject(this._pos),delayEndEvents:200,smoothEasing:!0},{originalEvent:t})}},module.exports=ScrollZoomHandler;
+},{"../../util/browser":107,"../../util/dom":114,"../../util/util":126,"../../util/window":109}],100:[function(require,module,exports){
+"use strict";var DOM=require("../../util/dom"),util=require("../../util/util"),window=require("../../util/window"),inertiaLinearity=.15,inertiaEasing=util.bezier(0,0,inertiaLinearity,1),inertiaDeceleration=12,inertiaMaxSpeed=2.5,significantScaleThreshold=.15,significantRotateThreshold=4,TouchZoomRotateHandler=function(t){this._map=t,this._el=t.getCanvasContainer(),util.bindAll(["_onStart","_onMove","_onEnd"],this)};TouchZoomRotateHandler.prototype.isEnabled=function(){return!!this._enabled},TouchZoomRotateHandler.prototype.enable=function(){this.isEnabled()||(this._el.addEventListener("touchstart",this._onStart,!1),this._enabled=!0)},TouchZoomRotateHandler.prototype.disable=function(){this.isEnabled()&&(this._el.removeEventListener("touchstart",this._onStart),this._enabled=!1)},TouchZoomRotateHandler.prototype.disableRotation=function(){this._rotationDisabled=!0},TouchZoomRotateHandler.prototype.enableRotation=function(){this._rotationDisabled=!1},TouchZoomRotateHandler.prototype._onStart=function(t){if(2===t.touches.length){var e=DOM.mousePos(this._el,t.touches[0]),i=DOM.mousePos(this._el,t.touches[1]);this._startVec=e.sub(i),this._startScale=this._map.transform.scale,this._startBearing=this._map.transform.bearing,this._gestureIntent=void 0,this._inertia=[],window.document.addEventListener("touchmove",this._onMove,!1),window.document.addEventListener("touchend",this._onEnd,!1)}},TouchZoomRotateHandler.prototype._onMove=function(t){if(2===t.touches.length){var e=DOM.mousePos(this._el,t.touches[0]),i=DOM.mousePos(this._el,t.touches[1]),o=e.add(i).div(2),n=e.sub(i),a=n.mag()/this._startVec.mag(),r=this._rotationDisabled?0:180*n.angleWith(this._startVec)/Math.PI,s=this._map;if(this._gestureIntent){var h={duration:0,around:s.unproject(o)};"rotate"===this._gestureIntent&&(h.bearing=this._startBearing+r),"zoom"!==this._gestureIntent&&"rotate"!==this._gestureIntent||(h.zoom=s.transform.scaleZoom(this._startScale*a)),s.stop(),this._drainInertiaBuffer(),this._inertia.push([Date.now(),a,o]),s.easeTo(h,{originalEvent:t})}else{var u=Math.abs(1-a)>significantScaleThreshold,l=Math.abs(r)>significantRotateThreshold;l?this._gestureIntent="rotate":u&&(this._gestureIntent="zoom"),this._gestureIntent&&(this._startVec=n,this._startScale=s.transform.scale,this._startBearing=s.transform.bearing)}t.preventDefault()}},TouchZoomRotateHandler.prototype._onEnd=function(t){window.document.removeEventListener("touchmove",this._onMove),window.document.removeEventListener("touchend",this._onEnd),this._drainInertiaBuffer();var e=this._inertia,i=this._map;if(e.length<2)return void i.snapToNorth({},{originalEvent:t});var o=e[e.length-1],n=e[0],a=i.transform.scaleZoom(this._startScale*o[1]),r=i.transform.scaleZoom(this._startScale*n[1]),s=a-r,h=(o[0]-n[0])/1e3,u=o[2];if(0===h||a===r)return void i.snapToNorth({},{originalEvent:t});var l=s*inertiaLinearity/h;Math.abs(l)>inertiaMaxSpeed&&(l=l>0?inertiaMaxSpeed:-inertiaMaxSpeed);var d=1e3*Math.abs(l/(inertiaDeceleration*inertiaLinearity)),c=a+l*d/2e3;c<0&&(c=0),i.easeTo({zoom:c,duration:d,easing:inertiaEasing,around:i.unproject(u)},{originalEvent:t})},TouchZoomRotateHandler.prototype._drainInertiaBuffer=function(){for(var t=this._inertia,e=Date.now(),i=160;t.length>2&&e-t[0][0]>i;)t.shift()},module.exports=TouchZoomRotateHandler;
+},{"../../util/dom":114,"../../util/util":126,"../../util/window":109}],101:[function(require,module,exports){
+"use strict";var util=require("../util/util"),window=require("../util/window"),Hash=function(){util.bindAll(["_onHashChange","_updateHash"],this)};Hash.prototype.addTo=function(t){return this._map=t,window.addEventListener("hashchange",this._onHashChange,!1),this._map.on("moveend",this._updateHash),this},Hash.prototype.remove=function(){return window.removeEventListener("hashchange",this._onHashChange,!1),this._map.off("moveend",this._updateHash),delete this._map,this},Hash.prototype._onHashChange=function(){var t=window.location.hash.replace("#","").split("/");return t.length>=3&&(this._map.jumpTo({center:[+t[2],+t[1]],zoom:+t[0],bearing:+(t[3]||0),pitch:+(t[4]||0)}),!0)},Hash.prototype._updateHash=function(){var t=this._map.getCenter(),e=this._map.getZoom(),a=this._map.getBearing(),h=this._map.getPitch(),i=Math.max(0,Math.ceil(Math.log(e)/Math.LN2)),n="#"+Math.round(100*e)/100+"/"+t.lat.toFixed(i)+"/"+t.lng.toFixed(i);(a||h)&&(n+="/"+Math.round(10*a)/10),h&&(n+="/"+Math.round(h)),window.history.replaceState("","",n)},module.exports=Hash;
+},{"../util/util":126,"../util/window":109}],102:[function(require,module,exports){
+"use strict";function removeNode(t){t.parentNode&&t.parentNode.removeChild(t)}var util=require("../util/util"),browser=require("../util/browser"),window=require("../util/window"),DOM=require("../util/dom"),Style=require("../style/style"),AnimationLoop=require("../style/animation_loop"),Painter=require("../render/painter"),Transform=require("../geo/transform"),Hash=require("./hash"),bindHandlers=require("./bind_handlers"),Camera=require("./camera"),LngLat=require("../geo/lng_lat"),LngLatBounds=require("../geo/lng_lat_bounds"),Point=require("point-geometry"),AttributionControl=require("./control/attribution_control"),isSupported=require("mapbox-gl-supported"),defaultMinZoom=0,defaultMaxZoom=20,defaultOptions={center:[0,0],zoom:0,bearing:0,pitch:0,minZoom:defaultMinZoom,maxZoom:defaultMaxZoom,interactive:!0,scrollZoom:!0,boxZoom:!0,dragRotate:!0,dragPan:!0,keyboard:!0,doubleClickZoom:!0,touchZoomRotate:!0,bearingSnap:7,hash:!1,attributionControl:!0,failIfMajorPerformanceCaveat:!1,preserveDrawingBuffer:!1,trackResize:!0},Map=function(t){function e(e){var o=this;e=util.extend({},defaultOptions,e);var i=new Transform(e.minZoom,e.maxZoom);t.call(this,i,e),this._interactive=e.interactive,this._failIfMajorPerformanceCaveat=e.failIfMajorPerformanceCaveat,this._preserveDrawingBuffer=e.preserveDrawingBuffer,this._trackResize=e.trackResize,this._bearingSnap=e.bearingSnap,"string"==typeof e.container?this._container=window.document.getElementById(e.container):this._container=e.container,this.animationLoop=new AnimationLoop,e.maxBounds&&this.setMaxBounds(e.maxBounds),util.bindAll(["_onWindowOnline","_onWindowResize","_contextLost","_contextRestored","_update","_render"],this),this._setupContainer(),this._setupPainter(),this.on("move",this._update.bind(this,!1)),this.on("zoom",this._update.bind(this,!0)),this.on("moveend",function(){o.animationLoop.set(300),o._rerender()}),"undefined"!=typeof window&&(window.addEventListener("online",this._onWindowOnline,!1),window.addEventListener("resize",this._onWindowResize,!1)),bindHandlers(this,e),this._hash=e.hash&&(new Hash).addTo(this),this._hash&&this._hash._onHashChange()||this.jumpTo({center:e.center,zoom:e.zoom,bearing:e.bearing,pitch:e.pitch}),this._classes=[],this.resize(),e.classes&&this.setClasses(e.classes),e.style&&this.setStyle(e.style),e.attributionControl&&this.addControl(new AttributionControl),this.on("style.load",function(){this.transform.unmodified&&this.jumpTo(this.style.stylesheet),this.style.update(this._classes,{transition:!1})}),this.on("data",function(t){"style"===t.dataType?this._update(!0):this._update()})}t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e;var o={showTileBoundaries:{},showCollisionBoxes:{},showOverdrawInspector:{},repaint:{},vertices:{}};return e.prototype.addControl=function(t,e){void 0===e&&t.getDefaultPosition&&(e=t.getDefaultPosition()),void 0===e&&(e="top-right");var o=t.onAdd(this),i=this._controlPositions[e];return e.indexOf("bottom")!==-1?i.insertBefore(o,i.firstChild):i.appendChild(o),this},e.prototype.removeControl=function(t){return t.onRemove(this),this},e.prototype.addClass=function(t,e){return this._classes.indexOf(t)>=0||""===t?this:(this._classes.push(t),this._classOptions=e,this.style&&this.style.updateClasses(),this._update(!0))},e.prototype.removeClass=function(t,e){var o=this._classes.indexOf(t);return o<0||""===t?this:(this._classes.splice(o,1),this._classOptions=e,this.style&&this.style.updateClasses(),this._update(!0))},e.prototype.setClasses=function(t,e){for(var o={},i=0;i<t.length;i++)""!==t[i]&&(o[t[i]]=!0);return this._classes=Object.keys(o),this._classOptions=e,this.style&&this.style.updateClasses(),this._update(!0)},e.prototype.hasClass=function(t){return this._classes.indexOf(t)>=0},e.prototype.getClasses=function(){return this._classes},e.prototype.resize=function(){var t=this._containerDimensions(),e=t[0],o=t[1];return this._resizeCanvas(e,o),this.transform.resize(e,o),this.painter.resize(e,o),this.fire("movestart").fire("move").fire("resize").fire("moveend")},e.prototype.getBounds=function(){var t=new LngLatBounds(this.transform.pointLocation(new Point(0,this.transform.height)),this.transform.pointLocation(new Point(this.transform.width,0)));return(this.transform.angle||this.transform.pitch)&&(t.extend(this.transform.pointLocation(new Point(this.transform.size.x,0))),t.extend(this.transform.pointLocation(new Point(0,this.transform.size.y)))),t},e.prototype.setMaxBounds=function(t){if(t){var e=LngLatBounds.convert(t);this.transform.lngRange=[e.getWest(),e.getEast()],this.transform.latRange=[e.getSouth(),e.getNorth()],this.transform._constrain(),this._update()}else null!==t&&void 0!==t||(this.transform.lngRange=[],this.transform.latRange=[],this._update());return this},e.prototype.setMinZoom=function(t){if(t=null===t||void 0===t?defaultMinZoom:t,t>=defaultMinZoom&&t<=this.transform.maxZoom)return this.transform.minZoom=t,this._update(),this.getZoom()<t&&this.setZoom(t),this;throw new Error("minZoom must be between "+defaultMinZoom+" and the current maxZoom, inclusive")},e.prototype.getMinZoom=function(){return this.transform.minZoom},e.prototype.setMaxZoom=function(t){if(t=null===t||void 0===t?defaultMaxZoom:t,t>=this.transform.minZoom&&t<=defaultMaxZoom)return this.transform.maxZoom=t,this._update(),this.getZoom()>t&&this.setZoom(t),this;throw new Error("maxZoom must be between the current minZoom and "+defaultMaxZoom+", inclusive")},e.prototype.getMaxZoom=function(){return this.transform.maxZoom},e.prototype.project=function(t){return this.transform.locationPoint(LngLat.convert(t))},e.prototype.unproject=function(t){return this.transform.pointLocation(Point.convert(t))},e.prototype.queryRenderedFeatures=function(){function t(t){return t instanceof Point||Array.isArray(t)}var e,o={};return 2===arguments.length?(e=arguments[0],o=arguments[1]):1===arguments.length&&t(arguments[0])?e=arguments[0]:1===arguments.length&&(o=arguments[0]),this.style.queryRenderedFeatures(this._makeQueryGeometry(e),o,this.transform.zoom,this.transform.angle)},e.prototype._makeQueryGeometry=function(t){var e=this;void 0===t&&(t=[Point.convert([0,0]),Point.convert([this.transform.width,this.transform.height])]);var o,i=t instanceof Point||"number"==typeof t[0];if(i){var s=Point.convert(t);o=[s]}else{var r=[Point.convert(t[0]),Point.convert(t[1])];o=[r[0],new Point(r[1].x,r[0].y),r[1],new Point(r[0].x,r[1].y),r[0]]}return o=o.map(function(t){return e.transform.pointCoordinate(t)})},e.prototype.querySourceFeatures=function(t,e){return this.style.querySourceFeatures(t,e)},e.prototype.setStyle=function(t){return this.style&&(this.style.setEventedParent(null),this.style._remove(),this.off("rotate",this.style._redoPlacement),this.off("pitch",this.style._redoPlacement)),t?(t instanceof Style?this.style=t:this.style=new Style(t,this),this.style.setEventedParent(this,{style:this.style}),this.on("rotate",this.style._redoPlacement),this.on("pitch",this.style._redoPlacement),this):(this.style=null,this)},e.prototype.getStyle=function(){if(this.style)return this.style.serialize()},e.prototype.addSource=function(t,e){return this.style.addSource(t,e),this._update(!0),this},e.prototype.addSourceType=function(t,e,o){return this.style.addSourceType(t,e,o)},e.prototype.removeSource=function(t){return this.style.removeSource(t),this._update(!0),this},e.prototype.getSource=function(t){return this.style.getSource(t)},e.prototype.addLayer=function(t,e){return this.style.addLayer(t,e),this._update(!0),this},e.prototype.moveLayer=function(t,e){return this.style.moveLayer(t,e),this._update(!0),this},e.prototype.removeLayer=function(t){return this.style.removeLayer(t),this._update(!0),this},e.prototype.getLayer=function(t){return this.style.getLayer(t)},e.prototype.setFilter=function(t,e){return this.style.setFilter(t,e),this._update(!0),this},e.prototype.setLayerZoomRange=function(t,e,o){return this.style.setLayerZoomRange(t,e,o),this._update(!0),this},e.prototype.getFilter=function(t){return this.style.getFilter(t)},e.prototype.setPaintProperty=function(t,e,o,i){return this.style.setPaintProperty(t,e,o,i),this._update(!0),this},e.prototype.getPaintProperty=function(t,e,o){return this.style.getPaintProperty(t,e,o)},e.prototype.setLayoutProperty=function(t,e,o){return this.style.setLayoutProperty(t,e,o),this._update(!0),this},e.prototype.getLayoutProperty=function(t,e){return this.style.getLayoutProperty(t,e)},e.prototype.setLight=function(t){return this.style.setLight(t),this._update(!0),this},e.prototype.getLight=function(){return this.style.getLight()},e.prototype.getContainer=function(){return this._container},e.prototype.getCanvasContainer=function(){return this._canvasContainer},e.prototype.getCanvas=function(){return this._canvas},e.prototype._containerDimensions=function(){var t=0,e=0;return this._container&&(t=this._container.offsetWidth||400,e=this._container.offsetHeight||300),[t,e]},e.prototype._setupContainer=function(){var t=this._container;t.classList.add("mapboxgl-map");var e=this._canvasContainer=DOM.create("div","mapboxgl-canvas-container",t);this._interactive&&e.classList.add("mapboxgl-interactive"),this._canvas=DOM.create("canvas","mapboxgl-canvas",e),this._canvas.style.position="absolute",this._canvas.addEventListener("webglcontextlost",this._contextLost,!1),this._canvas.addEventListener("webglcontextrestored",this._contextRestored,!1),this._canvas.setAttribute("tabindex",0);var o=this._containerDimensions();this._resizeCanvas(o[0],o[1]);var i=this._controlContainer=DOM.create("div","mapboxgl-control-container",t),s=this._controlPositions={};["top-left","top-right","bottom-left","bottom-right"].forEach(function(t){s[t]=DOM.create("div","mapboxgl-ctrl-"+t,i)})},e.prototype._resizeCanvas=function(t,e){var o=window.devicePixelRatio||1;this._canvas.width=o*t,this._canvas.height=o*e,this._canvas.style.width=t+"px",this._canvas.style.height=e+"px"},e.prototype._setupPainter=function(){var t=util.extend({failIfMajorPerformanceCaveat:this._failIfMajorPerformanceCaveat,preserveDrawingBuffer:this._preserveDrawingBuffer},isSupported.webGLContextAttributes),e=this._canvas.getContext("webgl",t)||this._canvas.getContext("experimental-webgl",t);return e?void(this.painter=new Painter(e,this.transform)):void this.fire("error",{error:new Error("Failed to initialize WebGL")})},e.prototype._contextLost=function(t){t.preventDefault(),this._frameId&&browser.cancelFrame(this._frameId),this.fire("webglcontextlost",{originalEvent:t})},e.prototype._contextRestored=function(t){this._setupPainter(),this.resize(),this._update(),this.fire("webglcontextrestored",{originalEvent:t})},e.prototype.loaded=function(){return!this._styleDirty&&!this._sourcesDirty&&!(!this.style||!this.style.loaded())},e.prototype._update=function(t){return this.style?(this._styleDirty=this._styleDirty||t,this._sourcesDirty=!0,this._rerender(),this):this},e.prototype._render=function(){return this.style&&this._styleDirty&&(this._styleDirty=!1,this.style.update(this._classes,this._classOptions),this._classOptions=null,this.style._recalculate(this.transform.zoom)),this.style&&this._sourcesDirty&&(this._sourcesDirty=!1,this.style._updateSources(this.transform)),this.painter.render(this.style,{showTileBoundaries:this.showTileBoundaries,showOverdrawInspector:this._showOverdrawInspector,rotating:this.rotating,zooming:this.zooming}),this.fire("render"),this.loaded()&&!this._loaded&&(this._loaded=!0,this.fire("load")),this._frameId=null,this.animationLoop.stopped()||(this._styleDirty=!0),(this._sourcesDirty||this._repaint||this._styleDirty)&&this._rerender(),this},e.prototype.remove=function(){this._hash&&this._hash.remove(),browser.cancelFrame(this._frameId),this.setStyle(null),"undefined"!=typeof window&&window.removeEventListener("resize",this._onWindowResize,!1);var t=this.painter.gl.getExtension("WEBGL_lose_context");t&&t.loseContext(),removeNode(this._canvasContainer),removeNode(this._controlContainer),this._container.classList.remove("mapboxgl-map"),this.fire("remove")},e.prototype._rerender=function(){this.style&&!this._frameId&&(this._frameId=browser.frame(this._render))},e.prototype._onWindowOnline=function(){this._update()},e.prototype._onWindowResize=function(){this._trackResize&&this.stop().resize()._update()},o.showTileBoundaries.get=function(){return!!this._showTileBoundaries},o.showTileBoundaries.set=function(t){this._showTileBoundaries!==t&&(this._showTileBoundaries=t,this._update())},o.showCollisionBoxes.get=function(){return!!this._showCollisionBoxes},o.showCollisionBoxes.set=function(t){this._showCollisionBoxes!==t&&(this._showCollisionBoxes=t,this.style._redoPlacement())},o.showOverdrawInspector.get=function(){return!!this._showOverdrawInspector},o.showOverdrawInspector.set=function(t){this._showOverdrawInspector!==t&&(this._showOverdrawInspector=t,this._update())},o.repaint.get=function(){return!!this._repaint},o.repaint.set=function(t){this._repaint=t,this._update()},o.vertices.get=function(){return!!this._vertices},o.vertices.set=function(t){this._vertices=t,this._update()},Object.defineProperties(e.prototype,o),e}(Camera);module.exports=Map;
+},{"../geo/lng_lat":19,"../geo/lng_lat_bounds":20,"../geo/transform":21,"../render/painter":36,"../style/animation_loop":56,"../style/style":60,"../util/browser":107,"../util/dom":114,"../util/util":126,"../util/window":109,"./bind_handlers":88,"./camera":89,"./control/attribution_control":90,"./hash":101,"mapbox-gl-supported":190,"point-geometry":194}],103:[function(require,module,exports){
+"use strict";var DOM=require("../util/dom"),util=require("../util/util"),LngLat=require("../geo/lng_lat"),Point=require("point-geometry"),Popup=require("./popup"),Marker=function(t,e){this._offset=Point.convert(e&&e.offset||[0,0]),this._update=this._update.bind(this),this._onMapClick=this._onMapClick.bind(this),t||(t=DOM.create("div")),t.classList.add("mapboxgl-marker"),this._element=t,this._popup=null};Marker.prototype.addTo=function(t){return this.remove(),this._map=t,t.getCanvasContainer().appendChild(this._element),t.on("move",this._update),t.on("moveend",this._update),this._update(),this._map.on("click",this._onMapClick),this},Marker.prototype.remove=function(){return this._map&&(this._map.off("click",this._onMapClick),this._map.off("move",this._update),this._map.off("moveend",this._update),this._map=null),DOM.remove(this._element),this._popup&&this._popup.remove(),this},Marker.prototype.getLngLat=function(){return this._lngLat},Marker.prototype.setLngLat=function(t){return this._lngLat=LngLat.convert(t),this._popup&&this._popup.setLngLat(this._lngLat),this._update(),this},Marker.prototype.getElement=function(){return this._element},Marker.prototype.setPopup=function(t){return this._popup&&(this._popup.remove(),this._popup=null),t&&(this._popup=t,this._popup.setLngLat(this._lngLat)),this},Marker.prototype._onMapClick=function(t){var e=t.originalEvent.target,p=this._element;this._popup&&(e===p||p.contains(e))&&this.togglePopup()},Marker.prototype.getPopup=function(){return this._popup},Marker.prototype.togglePopup=function(){var t=this._popup;t&&(t.isOpen()?t.remove():t.addTo(this._map))},Marker.prototype._update=function(t){if(this._map){var e=this._map.project(this._lngLat)._add(this._offset);t&&"moveend"!==t.type||(e=e.round()),DOM.setTransform(this._element,"translate("+e.x+"px,"+e.y+"px)")}},module.exports=Marker;
+},{"../geo/lng_lat":19,"../util/dom":114,"../util/util":126,"./popup":104,"point-geometry":194}],104:[function(require,module,exports){
+"use strict";function normalizeOffset(t){if(t){if("number"==typeof t){var o=Math.round(Math.sqrt(.5*Math.pow(t,2)));return{top:new Point(0,t),"top-left":new Point(o,o),"top-right":new Point(-o,o),bottom:new Point(0,-t),"bottom-left":new Point(o,-o),"bottom-right":new Point(-o,-o),left:new Point(t,0),right:new Point(-t,0)}}if(isPointLike(t)){var e=Point.convert(t);return{top:e,"top-left":e,"top-right":e,bottom:e,"bottom-left":e,"bottom-right":e,left:e,right:e}}return{top:Point.convert(t.top),"top-left":Point.convert(t["top-left"]),"top-right":Point.convert(t["top-right"]),bottom:Point.convert(t.bottom),"bottom-left":Point.convert(t["bottom-left"]),"bottom-right":Point.convert(t["bottom-right"]),left:Point.convert(t.left),right:Point.convert(t.right)}}return normalizeOffset(new Point(0,0))}function isPointLike(t){return t instanceof Point||Array.isArray(t)}var util=require("../util/util"),Evented=require("../util/evented"),DOM=require("../util/dom"),LngLat=require("../geo/lng_lat"),Point=require("point-geometry"),window=require("../util/window"),defaultOptions={closeButton:!0,closeOnClick:!0},Popup=function(t){function o(o){t.call(this),this.options=util.extend(Object.create(defaultOptions),o),util.bindAll(["_update","_onClickClose"],this)}return t&&(o.__proto__=t),o.prototype=Object.create(t&&t.prototype),o.prototype.constructor=o,o.prototype.addTo=function(t){return this._map=t,this._map.on("move",this._update),this.options.closeOnClick&&this._map.on("click",this._onClickClose),this._update(),this},o.prototype.isOpen=function(){return!!this._map},o.prototype.remove=function(){return this._content&&this._content.parentNode&&this._content.parentNode.removeChild(this._content),this._container&&(this._container.parentNode.removeChild(this._container),delete this._container),this._map&&(this._map.off("move",this._update),this._map.off("click",this._onClickClose),delete this._map),this.fire("close"),this},o.prototype.getLngLat=function(){return this._lngLat},o.prototype.setLngLat=function(t){return this._lngLat=LngLat.convert(t),this._update(),this},o.prototype.setText=function(t){return this.setDOMContent(window.document.createTextNode(t))},o.prototype.setHTML=function(t){var o,e=window.document.createDocumentFragment(),n=window.document.createElement("body");for(n.innerHTML=t;;){if(o=n.firstChild,!o)break;e.appendChild(o)}return this.setDOMContent(e)},o.prototype.setDOMContent=function(t){return this._createContent(),this._content.appendChild(t),this._update(),this},o.prototype._createContent=function(){this._content&&this._content.parentNode&&this._content.parentNode.removeChild(this._content),this._content=DOM.create("div","mapboxgl-popup-content",this._container),this.options.closeButton&&(this._closeButton=DOM.create("button","mapboxgl-popup-close-button",this._content),this._closeButton.type="button",this._closeButton.innerHTML="&#215;",this._closeButton.addEventListener("click",this._onClickClose))},o.prototype._update=function(){if(this._map&&this._lngLat&&this._content){this._container||(this._container=DOM.create("div","mapboxgl-popup",this._map.getContainer()),this._tip=DOM.create("div","mapboxgl-popup-tip",this._container),this._container.appendChild(this._content));var t=this.options.anchor,o=normalizeOffset(this.options.offset),e=this._map.project(this._lngLat).round();if(!t){var n=this._container.offsetWidth,i=this._container.offsetHeight;t=e.y+o.bottom.y<i?["top"]:e.y>this._map.transform.height-i?["bottom"]:[],e.x<n/2?t.push("left"):e.x>this._map.transform.width-n/2&&t.push("right"),t=0===t.length?"bottom":t.join("-")}var r=e.add(o[t]),s={top:"translate(-50%,0)","top-left":"translate(0,0)","top-right":"translate(-100%,0)",bottom:"translate(-50%,-100%)","bottom-left":"translate(0,-100%)","bottom-right":"translate(-100%,-100%)",left:"translate(0,-50%)",right:"translate(-100%,-50%)"},p=this._container.classList;for(var a in s)p.remove("mapboxgl-popup-anchor-"+a);p.add("mapboxgl-popup-anchor-"+t),DOM.setTransform(this._container,s[t]+" translate("+r.x+"px,"+r.y+"px)")}},o.prototype._onClickClose=function(){this.remove()},o}(Evented);module.exports=Popup;
+},{"../geo/lng_lat":19,"../util/dom":114,"../util/evented":115,"../util/util":126,"../util/window":109,"point-geometry":194}],105:[function(require,module,exports){
+"use strict";var Actor=function(t,e,a){this.target=t,this.parent=e,this.mapId=a,this.callbacks={},this.callbackID=0,this.receive=this.receive.bind(this),this.target.addEventListener("message",this.receive,!1)};Actor.prototype.send=function(t,e,a,r,s){var i=a?this.mapId+":"+this.callbackID++:null;a&&(this.callbacks[i]=a),this.target.postMessage({targetMapId:s,sourceMapId:this.mapId,type:t,id:String(i),data:e},r)},Actor.prototype.receive=function(t){var e,a=this,r=t.data,s=r.id;if(!r.targetMapId||this.mapId===r.targetMapId){var i=function(t,e,r){a.target.postMessage({sourceMapId:a.mapId,type:"<response>",id:String(s),error:t?String(t):null,data:e},r)};if("<response>"===r.type)e=this.callbacks[r.id],delete this.callbacks[r.id],e&&e(r.error||null,r.data);else if("undefined"!=typeof r.id&&this.parent[r.type])this.parent[r.type](r.sourceMapId,r.data,i);else if("undefined"!=typeof r.id&&this.parent.getWorkerSource){var p=r.type.split("."),d=this.parent.getWorkerSource(r.sourceMapId,p[0]);d[p[1]](r.data,i)}else this.parent[r.type](r.data)}},Actor.prototype.remove=function(){this.target.removeEventListener("message",this.receive,!1)},module.exports=Actor;
+},{}],106:[function(require,module,exports){
+"use strict";function sameOrigin(e){var n=window.document.createElement("a");return n.href=e,n.protocol===window.document.location.protocol&&n.host===window.document.location.host}var window=require("./window");exports.getJSON=function(e,n){var t=new window.XMLHttpRequest;return t.open("GET",e,!0),t.setRequestHeader("Accept","application/json"),t.onerror=function(e){n(e)},t.onload=function(){if(t.status>=200&&t.status<300&&t.response){var e;try{e=JSON.parse(t.response)}catch(e){return n(e)}n(null,e)}else n(new Error(t.statusText))},t.send(),t},exports.getArrayBuffer=function(e,n){var t=new window.XMLHttpRequest;return t.open("GET",e,!0),t.responseType="arraybuffer",t.onerror=function(e){n(e)},t.onload=function(){return 0===t.response.byteLength&&200===t.status?n(new Error("http status 200 returned without content.")):void(t.status>=200&&t.status<300&&t.response?n(null,t.response):n(new Error(t.statusText)))},t.send(),t};var transparentPngUrl="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAC0lEQVQYV2NgAAIAAAUAAarVyFEAAAAASUVORK5CYII=";exports.getImage=function(e,n){return exports.getArrayBuffer(e,function(t,r){if(t)return n(t);var o=new window.Image;o.onload=function(){return n(null,o)},sameOrigin(e)||(o.crossOrigin="Anonymous"),o.src=r.byteLength?e:transparentPngUrl})},exports.getVideo=function(e,n){var t=window.document.createElement("video");t.onloadstart=function(){n(null,t)};for(var r=0;r<e.length;r++){var o=window.document.createElement("source");sameOrigin(e[r])||(t.crossOrigin="Anonymous"),o.src=e[r],t.appendChild(o)}return t};
+},{"./window":109}],107:[function(require,module,exports){
+"use strict";var window=require("./window");module.exports.now=function(){return window.performance&&window.performance.now?window.performance.now.bind(window.performance):Date.now.bind(Date)}();var frame=window.requestAnimationFrame||window.mozRequestAnimationFrame||window.webkitRequestAnimationFrame||window.msRequestAnimationFrame;exports.frame=function(e){return frame(e)};var cancel=window.cancelAnimationFrame||window.mozCancelAnimationFrame||window.webkitCancelAnimationFrame||window.msCancelAnimationFrame;exports.cancelFrame=function(e){cancel(e)},exports.timed=function(e,n,t){function o(i){r||(i=module.exports.now(),i>=a+n?e.call(t,1):(e.call(t,(i-a)/n),exports.frame(o)))}if(!n)return e.call(t,1),null;var r=!1,a=module.exports.now();return exports.frame(o),function(){r=!0}},exports.getImageData=function(e){var n=window.document.createElement("canvas"),t=n.getContext("2d");return n.width=e.width,n.height=e.height,t.drawImage(e,0,0),t.getImageData(0,0,e.width,e.height).data},exports.supported=require("mapbox-gl-supported"),exports.hardwareConcurrency=window.navigator.hardwareConcurrency||4,Object.defineProperty(exports,"devicePixelRatio",{get:function(){return window.devicePixelRatio}}),exports.supportsWebp=!1;var webpImgTest=window.document.createElement("img");webpImgTest.onload=function(){exports.supportsWebp=!0},webpImgTest.src="data:image/webp;base64,UklGRh4AAABXRUJQVlA4TBEAAAAvAQAAAAfQ//73v/+BiOh/AAA=";
+},{"./window":109,"mapbox-gl-supported":190}],108:[function(require,module,exports){
+"use strict";var WebWorkify=require("webworkify"),window=require("../window"),workerURL=window.URL.createObjectURL(new WebWorkify(require("../../source/worker"),{bare:!0}));module.exports=function(){return new window.Worker(workerURL)};
+},{"../../source/worker":54,"../window":109,"webworkify":211}],109:[function(require,module,exports){
+"use strict";module.exports=self;
 },{}],110:[function(require,module,exports){
-"function"==typeof Object.create?module.exports=function(t,e){t.super_=e,t.prototype=Object.create(e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}})}:module.exports=function(t,e){t.super_=e;var o=function(){};o.prototype=e.prototype,t.prototype=new o,t.prototype.constructor=t};
-},{}],111:[function(require,module,exports){
+"use strict";function compareAreas(e,r){return r.area-e.area}var quickselect=require("quickselect"),calculateSignedArea=require("./util").calculateSignedArea;module.exports=function(e,r){var a=e.length;if(a<=1)return[e];for(var t,u,c=[],i=0;i<a;i++){var l=calculateSignedArea(e[i]);0!==l&&(e[i].area=Math.abs(l),void 0===u&&(u=l<0),u===l<0?(t&&c.push(t),t=[e[i]]):t.push(e[i]))}if(t&&c.push(t),r>1)for(var n=0;n<c.length;n++)c[n].length<=r||(quickselect(c[n],r,1,c[n].length-1,compareAreas),c[n]=c[n].slice(0,r));return c};
+},{"./util":126,"quickselect":196}],111:[function(require,module,exports){
+"use strict";module.exports={API_URL:"https://api.mapbox.com",REQUIRE_ACCESS_TOKEN:!0};
+},{}],112:[function(require,module,exports){
+"use strict";var DictionaryCoder=function(r){var t=this;this._stringToNumber={},this._numberToString=[];for(var o=0;o<r.length;o++){var i=r[o];t._stringToNumber[i]=o,t._numberToString[o]=i}};DictionaryCoder.prototype.encode=function(r){return this._stringToNumber[r]},DictionaryCoder.prototype.decode=function(r){return this._numberToString[r]},module.exports=DictionaryCoder;
+},{}],113:[function(require,module,exports){
+"use strict";var util=require("./util"),Actor=require("./actor"),Dispatcher=function(t,r){var o=this;this.workerPool=t,this.actors=[],this.currentActor=0,this.id=util.uniqueId();for(var i=this.workerPool.acquire(this.id),e=0;e<i.length;e++){var s=i[e],c=new Actor(s,r,o.id);c.name="Worker "+e,o.actors.push(c)}};Dispatcher.prototype.broadcast=function(t,r,o){o=o||function(){},util.asyncAll(this.actors,function(o,i){o.send(t,r,i)},o)},Dispatcher.prototype.send=function(t,r,o,i,e){return("number"!=typeof i||isNaN(i))&&(i=this.currentActor=(this.currentActor+1)%this.actors.length),this.actors[i].send(t,r,o,e),i},Dispatcher.prototype.remove=function(){this.actors.forEach(function(t){t.remove()}),this.actors=[],this.workerPool.release(this.id)},module.exports=Dispatcher;
+},{"./actor":105,"./util":126}],114:[function(require,module,exports){
+"use strict";function testProp(e){for(var t=0;t<e.length;t++)if(e[t]in docStyle)return e[t];return e[0]}function suppressClick(e){e.preventDefault(),e.stopPropagation(),window.removeEventListener("click",suppressClick,!0)}var Point=require("point-geometry"),window=require("./window");exports.create=function(e,t,o){var n=window.document.createElement(e);return t&&(n.className=t),o&&o.appendChild(n),n};var docStyle=window.document.documentElement.style,selectProp=testProp(["userSelect","MozUserSelect","WebkitUserSelect","msUserSelect"]),userSelect;exports.disableDrag=function(){selectProp&&(userSelect=docStyle[selectProp],docStyle[selectProp]="none")},exports.enableDrag=function(){selectProp&&(docStyle[selectProp]=userSelect)};var transformProp=testProp(["transform","WebkitTransform"]);exports.setTransform=function(e,t){e.style[transformProp]=t},exports.suppressClick=function(){window.addEventListener("click",suppressClick,!0),window.setTimeout(function(){window.removeEventListener("click",suppressClick,!0)},0)},exports.mousePos=function(e,t){var o=e.getBoundingClientRect();return t=t.touches?t.touches[0]:t,new Point(t.clientX-o.left-e.clientLeft,t.clientY-o.top-e.clientTop)},exports.touchPos=function(e,t){for(var o=e.getBoundingClientRect(),n=[],r="touchend"===t.type?t.changedTouches:t.touches,s=0;s<r.length;s++)n.push(new Point(r[s].clientX-o.left-e.clientLeft,r[s].clientY-o.top-e.clientTop));return n},exports.remove=function(e){e.parentNode&&e.parentNode.removeChild(e)};
+},{"./window":109,"point-geometry":194}],115:[function(require,module,exports){
+"use strict";var util=require("./util"),Evented=function(){};Evented.prototype.on=function(e,t){return this._listeners=this._listeners||{},this._listeners[e]=this._listeners[e]||[],this._listeners[e].push(t),this},Evented.prototype.off=function(e,t){if(this._listeners&&this._listeners[e]){var s=this._listeners[e].indexOf(t);s!==-1&&this._listeners[e].splice(s,1)}return this},Evented.prototype.once=function(e,t){var s=this,n=function(i){s.off(e,n),t.call(s,i)};return this.on(e,n),this},Evented.prototype.fire=function(e,t){var s=this;if(this.listens(e)){t=util.extend({},t,{type:e,target:this});for(var n=this._listeners&&this._listeners[e]?this._listeners[e].slice():[],i=0;i<n.length;i++)n[i].call(s,t);this._eventedParent&&this._eventedParent.fire(e,util.extend({},t,this._eventedParentData))}else util.endsWith(e,"error")&&console.error(t&&t.error||t||"Empty error event");return this},Evented.prototype.listens=function(e){return this._listeners&&this._listeners[e]||this._eventedParent&&this._eventedParent.listens(e)},Evented.prototype.setEventedParent=function(e,t){return this._eventedParent=e,this._eventedParentData=t,this},module.exports=Evented;
+},{"./util":126}],116:[function(require,module,exports){
+"use strict";function compareMax(e,t){return t.max-e.max}function Cell(e,t,n,r){this.p=new Point(e,t),this.h=n,this.d=pointToPolygonDist(this.p,r),this.max=this.d+this.h*Math.SQRT2}function pointToPolygonDist(e,t){for(var n=!1,r=1/0,o=0;o<t.length;o++)for(var l=t[o],i=0,s=l.length,u=s-1;i<s;u=i++){var a=l[i],h=l[u];a.y>e.y!=h.y>e.y&&e.x<(h.x-a.x)*(e.y-a.y)/(h.y-a.y)+a.x&&(n=!n),r=Math.min(r,distToSegmentSquared(e,a,h))}return(n?1:-1)*Math.sqrt(r)}function getCentroidCell(e){for(var t=0,n=0,r=0,o=e[0],l=0,i=o.length,s=i-1;l<i;s=l++){var u=o[l],a=o[s],h=u.x*a.y-a.x*u.y;n+=(u.x+a.x)*h,r+=(u.y+a.y)*h,t+=3*h}return new Cell(n/t,r/t,0,e)}var Queue=require("tinyqueue"),Point=require("point-geometry"),distToSegmentSquared=require("./intersection_tests").distToSegmentSquared;module.exports=function(e,t,n){t=t||1;for(var r,o,l,i,s=e[0],u=0;u<s.length;u++){var a=s[u];(!u||a.x<r)&&(r=a.x),(!u||a.y<o)&&(o=a.y),(!u||a.x>l)&&(l=a.x),(!u||a.y>i)&&(i=a.y)}for(var h=l-r,p=i-o,y=Math.min(h,p),x=y/2,d=new Queue(null,compareMax),g=r;g<l;g+=y)for(var f=o;f<i;f+=y)d.push(new Cell(g+x,f+x,x,e));for(var m=getCentroidCell(e),c=d.length;d.length;){var v=d.pop();v.d>m.d&&(m=v,n&&console.log("found best %d after %d probes",Math.round(1e4*v.d)/1e4,c)),v.max-m.d<=t||(x=v.h/2,d.push(new Cell(v.p.x-x,v.p.y-x,x,e)),d.push(new Cell(v.p.x+x,v.p.y-x,x,e)),d.push(new Cell(v.p.x-x,v.p.y+x,x,e)),d.push(new Cell(v.p.x+x,v.p.y+x,x,e)),c+=4)}return n&&(console.log("num probes: "+c),console.log("best distance: "+m.d)),m.p};
+},{"./intersection_tests":119,"point-geometry":194,"tinyqueue":199}],117:[function(require,module,exports){
+"use strict";function Glyphs(a,e){this.stacks=a.readFields(readFontstacks,[],e)}function readFontstacks(a,e,r){if(1===a){var t=r.readMessage(readFontstack,{glyphs:{}});e.push(t)}}function readFontstack(a,e,r){if(1===a)e.name=r.readString();else if(2===a)e.range=r.readString();else if(3===a){var t=r.readMessage(readGlyph,{});e.glyphs[t.id]=t}}function readGlyph(a,e,r){1===a?e.id=r.readVarint():2===a?e.bitmap=r.readBytes():3===a?e.width=r.readVarint():4===a?e.height=r.readVarint():5===a?e.left=r.readSVarint():6===a?e.top=r.readSVarint():7===a&&(e.advance=r.readVarint())}module.exports=Glyphs;
+},{}],118:[function(require,module,exports){
+"use strict";function interpolate(t,e,n){return t*(1-n)+e*n}module.exports=interpolate,interpolate.number=interpolate,interpolate.vec2=function(t,e,n){return[interpolate(t[0],e[0],n),interpolate(t[1],e[1],n)]},interpolate.color=function(t,e,n){return[interpolate(t[0],e[0],n),interpolate(t[1],e[1],n),interpolate(t[2],e[2],n),interpolate(t[3],e[3],n)]},interpolate.array=function(t,e,n){return t.map(function(t,r){return interpolate(t,e[r],n)})};
+},{}],119:[function(require,module,exports){
+"use strict";function polygonIntersectsPolygon(n,t){for(var e=0;e<n.length;e++)if(polygonContainsPoint(t,n[e]))return!0;for(var r=0;r<t.length;r++)if(polygonContainsPoint(n,t[r]))return!0;return!!lineIntersectsLine(n,t)}function multiPolygonIntersectsBufferedMultiPoint(n,t,e){for(var r=0;r<n.length;r++)for(var o=n[r],i=0;i<t.length;i++)for(var l=t[i],u=0;u<l.length;u++){var s=l[u];if(polygonContainsPoint(o,s))return!0;if(pointIntersectsBufferedLine(s,o,e))return!0}return!1}function multiPolygonIntersectsMultiPolygon(n,t){if(1===n.length&&1===n[0].length)return multiPolygonContainsPoint(t,n[0][0]);for(var e=0;e<t.length;e++)for(var r=t[e],o=0;o<r.length;o++)if(multiPolygonContainsPoint(n,r[o]))return!0;for(var i=0;i<n.length;i++){for(var l=n[i],u=0;u<l.length;u++)if(multiPolygonContainsPoint(t,l[u]))return!0;for(var s=0;s<t.length;s++)if(lineIntersectsLine(l,t[s]))return!0}return!1}function multiPolygonIntersectsBufferedMultiLine(n,t,e){for(var r=0;r<t.length;r++)for(var o=t[r],i=0;i<n.length;i++){var l=n[i];if(l.length>=3)for(var u=0;u<o.length;u++)if(polygonContainsPoint(l,o[u]))return!0;if(lineIntersectsBufferedLine(l,o,e))return!0}return!1}function lineIntersectsBufferedLine(n,t,e){if(n.length>1){if(lineIntersectsLine(n,t))return!0;for(var r=0;r<t.length;r++)if(pointIntersectsBufferedLine(t[r],n,e))return!0}for(var o=0;o<n.length;o++)if(pointIntersectsBufferedLine(n[o],t,e))return!0;return!1}function lineIntersectsLine(n,t){if(0===n.length||0===t.length)return!1;for(var e=0;e<n.length-1;e++)for(var r=n[e],o=n[e+1],i=0;i<t.length-1;i++){var l=t[i],u=t[i+1];if(lineSegmentIntersectsLineSegment(r,o,l,u))return!0}return!1}function lineSegmentIntersectsLineSegment(n,t,e,r){return isCounterClockwise(n,e,r)!==isCounterClockwise(t,e,r)&&isCounterClockwise(n,t,e)!==isCounterClockwise(n,t,r)}function pointIntersectsBufferedLine(n,t,e){var r=e*e;if(1===t.length)return n.distSqr(t[0])<r;for(var o=1;o<t.length;o++){var i=t[o-1],l=t[o];if(distToSegmentSquared(n,i,l)<r)return!0}return!1}function distToSegmentSquared(n,t,e){var r=t.distSqr(e);if(0===r)return n.distSqr(t);var o=((n.x-t.x)*(e.x-t.x)+(n.y-t.y)*(e.y-t.y))/r;return o<0?n.distSqr(t):o>1?n.distSqr(e):n.distSqr(e.sub(t)._mult(o)._add(t))}function multiPolygonContainsPoint(n,t){for(var e,r,o,i=!1,l=0;l<n.length;l++){e=n[l];for(var u=0,s=e.length-1;u<e.length;s=u++)r=e[u],o=e[s],r.y>t.y!=o.y>t.y&&t.x<(o.x-r.x)*(t.y-r.y)/(o.y-r.y)+r.x&&(i=!i)}return i}function polygonContainsPoint(n,t){for(var e=!1,r=0,o=n.length-1;r<n.length;o=r++){var i=n[r],l=n[o];i.y>t.y!=l.y>t.y&&t.x<(l.x-i.x)*(t.y-i.y)/(l.y-i.y)+i.x&&(e=!e)}return e}var isCounterClockwise=require("./util").isCounterClockwise;module.exports={multiPolygonIntersectsBufferedMultiPoint:multiPolygonIntersectsBufferedMultiPoint,multiPolygonIntersectsMultiPolygon:multiPolygonIntersectsMultiPolygon,multiPolygonIntersectsBufferedMultiLine:multiPolygonIntersectsBufferedMultiLine,polygonIntersectsPolygon:polygonIntersectsPolygon,distToSegmentSquared:distToSegmentSquared};
+},{"./util":126}],120:[function(require,module,exports){
+"use strict";module.exports={"Latin-1 Supplement":function(n){return n>=128&&n<=255},"Hangul Jamo":function(n){return n>=4352&&n<=4607},"Unified Canadian Aboriginal Syllabics":function(n){return n>=5120&&n<=5759},"Unified Canadian Aboriginal Syllabics Extended":function(n){return n>=6320&&n<=6399},"General Punctuation":function(n){return n>=8192&&n<=8303},"Letterlike Symbols":function(n){return n>=8448&&n<=8527},"Number Forms":function(n){return n>=8528&&n<=8591},"Miscellaneous Technical":function(n){return n>=8960&&n<=9215},"Control Pictures":function(n){return n>=9216&&n<=9279},"Optical Character Recognition":function(n){return n>=9280&&n<=9311},"Enclosed Alphanumerics":function(n){return n>=9312&&n<=9471},"Geometric Shapes":function(n){return n>=9632&&n<=9727},"Miscellaneous Symbols":function(n){return n>=9728&&n<=9983},"Miscellaneous Symbols and Arrows":function(n){return n>=11008&&n<=11263},"CJK Radicals Supplement":function(n){return n>=11904&&n<=12031},"Kangxi Radicals":function(n){return n>=12032&&n<=12255},"Ideographic Description Characters":function(n){return n>=12272&&n<=12287},"CJK Symbols and Punctuation":function(n){return n>=12288&&n<=12351},Hiragana:function(n){return n>=12352&&n<=12447},Katakana:function(n){return n>=12448&&n<=12543},Bopomofo:function(n){return n>=12544&&n<=12591},"Hangul Compatibility Jamo":function(n){return n>=12592&&n<=12687},Kanbun:function(n){return n>=12688&&n<=12703},"Bopomofo Extended":function(n){return n>=12704&&n<=12735},"CJK Strokes":function(n){return n>=12736&&n<=12783},"Katakana Phonetic Extensions":function(n){return n>=12784&&n<=12799},"Enclosed CJK Letters and Months":function(n){return n>=12800&&n<=13055},"CJK Compatibility":function(n){return n>=13056&&n<=13311},"CJK Unified Ideographs Extension A":function(n){return n>=13312&&n<=19903},"Yijing Hexagram Symbols":function(n){return n>=19904&&n<=19967},"CJK Unified Ideographs":function(n){return n>=19968&&n<=40959},"Yi Syllables":function(n){return n>=40960&&n<=42127},"Yi Radicals":function(n){return n>=42128&&n<=42191},"Hangul Jamo Extended-A":function(n){return n>=43360&&n<=43391},"Hangul Syllables":function(n){return n>=44032&&n<=55215},"Hangul Jamo Extended-B":function(n){return n>=55216&&n<=55295},"Private Use Area":function(n){return n>=57344&&n<=63743},"CJK Compatibility Ideographs":function(n){return n>=63744&&n<=64255},"Vertical Forms":function(n){return n>=65040&&n<=65055},"CJK Compatibility Forms":function(n){return n>=65072&&n<=65103},"Small Form Variants":function(n){return n>=65104&&n<=65135},"Halfwidth and Fullwidth Forms":function(n){return n>=65280&&n<=65519}};
+},{}],121:[function(require,module,exports){
+"use strict";var LRUCache=function(t,e){this.max=t,this.onRemove=e,this.reset()};LRUCache.prototype.reset=function(){var t=this;for(var e in this.data)t.onRemove(t.data[e]);return this.data={},this.order=[],this},LRUCache.prototype.add=function(t,e){if(this.has(t))this.order.splice(this.order.indexOf(t),1),this.data[t]=e,this.order.push(t);else if(this.data[t]=e,this.order.push(t),this.order.length>this.max){var r=this.get(this.order[0]);r&&this.onRemove(r)}return this},LRUCache.prototype.has=function(t){return t in this.data},LRUCache.prototype.keys=function(){return this.order},LRUCache.prototype.get=function(t){if(!this.has(t))return null;var e=this.data[t];return delete this.data[t],this.order.splice(this.order.indexOf(t),1),e},LRUCache.prototype.setMaxSize=function(t){var e=this;for(this.max=t;this.order.length>this.max;){var r=e.get(e.order[0]);r&&e.onRemove(r)}return this},module.exports=LRUCache;
+},{}],122:[function(require,module,exports){
+"use strict";function makeAPIURL(r,e){var t=parseUrl(config.API_URL);if(r.protocol=t.protocol,r.authority=t.authority,!config.REQUIRE_ACCESS_TOKEN)return formatUrl(r);if(e=e||config.ACCESS_TOKEN,!e)throw new Error("An API access token is required to use Mapbox GL. "+help);if("s"===e[0])throw new Error("Use a public access token (pk.*) with Mapbox GL, not a secret access token (sk.*). "+help);return r.params.push("access_token="+e),formatUrl(r)}function isMapboxURL(r){return 0===r.indexOf("mapbox:")}function replaceTempAccessToken(r){for(var e=0;e<r.length;e++)0===r[e].indexOf("access_token=tk.")&&(r[e]="access_token="+config.ACCESS_TOKEN)}function parseUrl(r){var e=r.match(urlRe);return{protocol:e[1],authority:e[2],path:e[3]||"/",params:e[4]?e[4].split("&"):[]}}function formatUrl(r){var e=r.params.length?"?"+r.params.join("&"):"";return r.protocol+"://"+r.authority+r.path+e}var config=require("./config"),browser=require("./browser"),help="See https://www.mapbox.com/developers/api/#access-tokens";exports.isMapboxURL=isMapboxURL,exports.normalizeStyleURL=function(r,e){if(!isMapboxURL(r))return r;var t=parseUrl(r);return t.path="/styles/v1"+t.path,makeAPIURL(t,e)},exports.normalizeGlyphsURL=function(r,e){if(!isMapboxURL(r))return r;var t=parseUrl(r);return t.path="/fonts/v1"+t.path,makeAPIURL(t,e)},exports.normalizeSourceURL=function(r,e){if(!isMapboxURL(r))return r;var t=parseUrl(r);return t.path="/v4/"+t.authority+".json",t.params.push("secure"),makeAPIURL(t,e)},exports.normalizeSpriteURL=function(r,e,t,a){var o=parseUrl(r);return isMapboxURL(r)?(o.path="/styles/v1"+o.path+"/sprite"+e+t,makeAPIURL(o,a)):(o.path+=""+e+t,formatUrl(o))};var imageExtensionRe=/(\.(png|jpg)\d*)(?=$)/;exports.normalizeTileURL=function(r,e,t){if(!e||!isMapboxURL(e))return r;var a=parseUrl(r),o=browser.devicePixelRatio>=2||512===t?"@2x":"",s=browser.supportsWebp?".webp":"$1";return a.path=a.path.replace(imageExtensionRe,""+o+s),replaceTempAccessToken(a.params),formatUrl(a)};var urlRe=/^(\w+):\/\/([^\/?]+)(\/[^?]+)?\??(.+)?/;
+},{"./browser":107,"./config":111}],123:[function(require,module,exports){
+"use strict";var isChar=require("./is_char_in_unicode_block");module.exports.allowsIdeographicBreaking=function(a){for(var i=0,r=a;i<r.length;i+=1){var s=r[i];if(!exports.charAllowsIdeographicBreaking(s.charCodeAt(0)))return!1}return!0},module.exports.allowsVerticalWritingMode=function(a){for(var i=0,r=a;i<r.length;i+=1){var s=r[i];if(exports.charHasUprightVerticalOrientation(s.charCodeAt(0)))return!0}return!1},module.exports.charAllowsIdeographicBreaking=function(a){return!(a<11904)&&(!!isChar["Bopomofo Extended"](a)||(!!isChar.Bopomofo(a)||(!!isChar["CJK Compatibility Forms"](a)||(!!isChar["CJK Compatibility Ideographs"](a)||(!!isChar["CJK Compatibility"](a)||(!!isChar["CJK Radicals Supplement"](a)||(!!isChar["CJK Strokes"](a)||(!!isChar["CJK Symbols and Punctuation"](a)||(!!isChar["CJK Unified Ideographs Extension A"](a)||(!!isChar["CJK Unified Ideographs"](a)||(!!isChar["Enclosed CJK Letters and Months"](a)||(!!isChar["Halfwidth and Fullwidth Forms"](a)||(!!isChar.Hiragana(a)||(!!isChar["Ideographic Description Characters"](a)||(!!isChar["Kangxi Radicals"](a)||(!!isChar["Katakana Phonetic Extensions"](a)||(!!isChar.Katakana(a)||(!!isChar["Vertical Forms"](a)||(!!isChar["Yi Radicals"](a)||!!isChar["Yi Syllables"](a))))))))))))))))))))},exports.charHasUprightVerticalOrientation=function(a){return 746===a||747===a||!(a<4352)&&(!!isChar["Bopomofo Extended"](a)||(!!isChar.Bopomofo(a)||(!(!isChar["CJK Compatibility Forms"](a)||a>=65097&&a<=65103)||(!!isChar["CJK Compatibility Ideographs"](a)||(!!isChar["CJK Compatibility"](a)||(!!isChar["CJK Radicals Supplement"](a)||(!!isChar["CJK Strokes"](a)||(!(!isChar["CJK Symbols and Punctuation"](a)||a>=12296&&a<=12305||a>=12308&&a<=12319||12336===a)||(!!isChar["CJK Unified Ideographs Extension A"](a)||(!!isChar["CJK Unified Ideographs"](a)||(!!isChar["Enclosed CJK Letters and Months"](a)||(!!isChar["Hangul Compatibility Jamo"](a)||(!!isChar["Hangul Jamo Extended-A"](a)||(!!isChar["Hangul Jamo Extended-B"](a)||(!!isChar["Hangul Jamo"](a)||(!!isChar["Hangul Syllables"](a)||(!!isChar.Hiragana(a)||(!!isChar["Ideographic Description Characters"](a)||(!!isChar.Kanbun(a)||(!!isChar["Kangxi Radicals"](a)||(!!isChar["Katakana Phonetic Extensions"](a)||(!(!isChar.Katakana(a)||12540===a)||(!(!isChar["Halfwidth and Fullwidth Forms"](a)||65288===a||65289===a||65293===a||a>=65306&&a<=65310||65339===a||65341===a||65343===a||a>=65371&&a<=65503||65507===a||a>=65512&&a<=65519)||(!(!isChar["Small Form Variants"](a)||a>=65112&&a<=65118||a>=65123&&a<=65126)||(!!isChar["Unified Canadian Aboriginal Syllabics"](a)||(!!isChar["Unified Canadian Aboriginal Syllabics Extended"](a)||(!!isChar["Vertical Forms"](a)||(!!isChar["Yijing Hexagram Symbols"](a)||(!!isChar["Yi Syllables"](a)||!!isChar["Yi Radicals"](a))))))))))))))))))))))))))))))},exports.charHasNeutralVerticalOrientation=function(a){return!(!isChar["Latin-1 Supplement"](a)||167!==a&&169!==a&&174!==a&&177!==a&&188!==a&&189!==a&&190!==a&&215!==a&&247!==a)||(!(!isChar["General Punctuation"](a)||8214!==a&&8224!==a&&8225!==a&&8240!==a&&8241!==a&&8251!==a&&8252!==a&&8258!==a&&8263!==a&&8264!==a&&8265!==a&&8273!==a)||(!!isChar["Letterlike Symbols"](a)||(!!isChar["Number Forms"](a)||(!(!isChar["Miscellaneous Technical"](a)||!(a>=8960&&a<=8967||a>=8972&&a<=8991||a>=8996&&a<=9e3||9003===a||a>=9085&&a<=9114||a>=9150&&a<=9165||9167===a||a>=9169&&a<=9179||a>=9186&&a<=9215))||(!(!isChar["Control Pictures"](a)||9251===a)||(!!isChar["Optical Character Recognition"](a)||(!!isChar["Enclosed Alphanumerics"](a)||(!!isChar["Geometric Shapes"](a)||(!(!isChar["Miscellaneous Symbols"](a)||a>=9754&&a<=9759)||(!(!isChar["Miscellaneous Symbols and Arrows"](a)||!(a>=11026&&a<=11055||a>=11088&&a<=11097||a>=11192&&a<=11243))||(!!isChar["CJK Symbols and Punctuation"](a)||(!!isChar.Katakana(a)||(!!isChar["Private Use Area"](a)||(!!isChar["CJK Compatibility Forms"](a)||(!!isChar["Small Form Variants"](a)||(!!isChar["Halfwidth and Fullwidth Forms"](a)||(8734===a||8756===a||8757===a||a>=9984&&a<=10087||a>=10102&&a<=10131||65532===a||65533===a)))))))))))))))))},exports.charHasRotatedVerticalOrientation=function(a){return!(exports.charHasUprightVerticalOrientation(a)||exports.charHasNeutralVerticalOrientation(a))};
+},{"./is_char_in_unicode_block":120}],124:[function(require,module,exports){
+"use strict";function createStructArrayType(t){var e=JSON.stringify(t);if(structArrayTypeCache[e])return structArrayTypeCache[e];void 0===t.alignment&&(t.alignment=1);var r=0,i=0,n=["Uint8"],a=t.members.map(function(e){n.indexOf(e.type)<0&&n.push(e.type);var a=sizeOf(e.type),o=r=align(r,Math.max(t.alignment,a)),s=e.components||1;return i=Math.max(i,a),r+=a*s,{name:e.name,type:e.type,components:s,offset:o}}),o=align(r,Math.max(i,t.alignment)),s=function(t){function e(){t.apply(this,arguments)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e}(Struct);s.prototype.alignment=t.alignment,s.prototype.size=o;for(var p=0,y=a;p<y.length;p+=1)for(var c=y[p],h=0;h<c.components;h++){var u=c.name+(1===c.components?"":h);Object.defineProperty(s.prototype,u,{get:createGetter(c,h),set:createSetter(c,h)})}var f=function(t){function e(){t.apply(this,arguments)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e}(StructArray);return f.prototype.members=a,f.prototype.StructType=s,f.prototype.bytesPerElement=o,f.prototype.emplaceBack=createEmplaceBack(a,o),f.prototype._usedTypes=n,structArrayTypeCache[e]=f,f}function align(t,e){return Math.ceil(t/e)*e}function sizeOf(t){return viewTypes[t].BYTES_PER_ELEMENT}function getArrayViewName(t){return t.toLowerCase()}function createEmplaceBack(t,e){for(var r=[],i=[],n="var i = this.length;\nthis.resize(this.length + 1);\n",a=0,o=t;a<o.length;a+=1){var s=o[a],p=sizeOf(s.type);r.indexOf(p)<0&&(r.push(p),n+="var o"+p.toFixed(0)+" = i * "+(e/p).toFixed(0)+";\n");for(var y=0;y<s.components;y++){var c="v"+i.length,h="o"+p.toFixed(0)+" + "+(s.offset/p+y).toFixed(0);n+="this."+getArrayViewName(s.type)+"["+h+"] = "+c+";\n",i.push(c)}}return n+="return i;",new Function(i,n)}function createMemberComponentString(t,e){var r="this._pos"+sizeOf(t.type).toFixed(0),i=(t.offset/sizeOf(t.type)+e).toFixed(0),n=r+" + "+i;return"this._structArray."+getArrayViewName(t.type)+"["+n+"]"}function createGetter(t,e){return new Function([],"return "+createMemberComponentString(t,e)+";")}function createSetter(t,e){return new Function(["x"],createMemberComponentString(t,e)+" = x;")}module.exports=createStructArrayType;var viewTypes={Int8:Int8Array,Uint8:Uint8Array,Uint8Clamped:Uint8ClampedArray,Int16:Int16Array,Uint16:Uint16Array,Int32:Int32Array,Uint32:Uint32Array,Float32:Float32Array,Float64:Float64Array},Struct=function(t,e){this._structArray=t,this._pos1=e*this.size,this._pos2=this._pos1/2,this._pos4=this._pos1/4,this._pos8=this._pos1/8},DEFAULT_CAPACITY=128,RESIZE_MULTIPLIER=5,StructArray=function(t){this.isTransferred=!1,void 0!==t?(this.arrayBuffer=t.arrayBuffer,this.length=t.length,this.capacity=this.arrayBuffer.byteLength/this.bytesPerElement,this._refreshViews()):(this.capacity=-1,this.resize(0))};StructArray.serialize=function(){return{members:this.prototype.members,alignment:this.prototype.StructType.prototype.alignment,bytesPerElement:this.prototype.bytesPerElement}},StructArray.prototype.serialize=function(t){return this._trim(),t&&(this.isTransferred=!0,t.push(this.arrayBuffer)),{length:this.length,arrayBuffer:this.arrayBuffer}},StructArray.prototype.get=function(t){return new this.StructType(this,t)},StructArray.prototype._trim=function(){this.length!==this.capacity&&(this.capacity=this.length,this.arrayBuffer=this.arrayBuffer.slice(0,this.length*this.bytesPerElement),this._refreshViews())},StructArray.prototype.resize=function(t){if(this.length=t,t>this.capacity){this.capacity=Math.max(t,Math.floor(this.capacity*RESIZE_MULTIPLIER),DEFAULT_CAPACITY),this.arrayBuffer=new ArrayBuffer(this.capacity*this.bytesPerElement);var e=this.uint8;this._refreshViews(),e&&this.uint8.set(e)}},StructArray.prototype._refreshViews=function(){for(var t=this,e=0,r=this._usedTypes;e<r.length;e+=1){var i=r[e];t[getArrayViewName(i)]=new viewTypes[i](t.arrayBuffer)}},StructArray.prototype.toArray=function(t,e){for(var r=this,i=[],n=t;n<e;n++){var a=r.get(n);i.push(a)}return i};var structArrayTypeCache={};
+},{}],125:[function(require,module,exports){
+"use strict";function resolveTokens(e,n){return n.replace(/{([^{}]+)}/g,function(n,r){return r in e?e[r]:""})}module.exports=resolveTokens;
+},{}],126:[function(require,module,exports){
+"use strict";var UnitBezier=require("unitbezier"),Coordinate=require("../geo/coordinate"),Point=require("point-geometry");exports.easeCubicInOut=function(r){if(r<=0)return 0;if(r>=1)return 1;var e=r*r,n=e*r;return 4*(r<.5?n:3*(r-e)+n-.75)},exports.bezier=function(r,e,n,t){var o=new UnitBezier(r,e,n,t);return function(r){return o.solve(r)}},exports.ease=exports.bezier(.25,.1,.25,1),exports.clamp=function(r,e,n){return Math.min(n,Math.max(e,r))},exports.wrap=function(r,e,n){var t=n-e,o=((r-e)%t+t)%t+e;return o===e?n:o},exports.asyncAll=function(r,e,n){if(!r.length)return n(null,[]);var t=r.length,o=new Array(r.length),a=null;r.forEach(function(r,i){e(r,function(r,e){r&&(a=r),o[i]=e,0===--t&&n(a,o)})})},exports.values=function(r){var e=[];for(var n in r)e.push(r[n]);return e},exports.keysDifference=function(r,e){var n=[];for(var t in r)t in e||n.push(t);return n},exports.extend=function(r,e,n,t){for(var o=arguments,a=1;a<arguments.length;a++){var i=o[a];for(var u in i)r[u]=i[u]}return r},exports.pick=function(r,e){for(var n={},t=0;t<e.length;t++){var o=e[t];o in r&&(n[o]=r[o])}return n};var id=1;exports.uniqueId=function(){return id++},exports.bindAll=function(r,e){r.forEach(function(r){e[r]&&(e[r]=e[r].bind(e))})},exports.getCoordinatesCenter=function(r){for(var e=1/0,n=1/0,t=-(1/0),o=-(1/0),a=0;a<r.length;a++)e=Math.min(e,r[a].column),n=Math.min(n,r[a].row),t=Math.max(t,r[a].column),o=Math.max(o,r[a].row);var i=t-e,u=o-n,s=Math.max(i,u);return new Coordinate((e+t)/2,(n+o)/2,0).zoomTo(Math.floor(-Math.log(s)/Math.LN2))},exports.endsWith=function(r,e){return r.indexOf(e,r.length-e.length)!==-1},exports.mapObject=function(r,e,n){var t=this,o={};for(var a in r)o[a]=e.call(n||t,r[a],a,r);return o},exports.filterObject=function(r,e,n){var t=this,o={};for(var a in r)e.call(n||t,r[a],a,r)&&(o[a]=r[a]);return o},exports.deepEqual=function(r,e){if(Array.isArray(r)){if(!Array.isArray(e)||r.length!==e.length)return!1;for(var n=0;n<r.length;n++)if(!exports.deepEqual(r[n],e[n]))return!1;return!0}if("object"==typeof r&&null!==r&&null!==e){if("object"!=typeof e)return!1;var t=Object.keys(r);if(t.length!==Object.keys(e).length)return!1;for(var o in r)if(!exports.deepEqual(r[o],e[o]))return!1;return!0}return r===e},exports.clone=function(r){return Array.isArray(r)?r.map(exports.clone):"object"==typeof r&&r?exports.mapObject(r,exports.clone):r},exports.arraysIntersect=function(r,e){for(var n=0;n<r.length;n++)if(e.indexOf(r[n])>=0)return!0;return!1};var warnOnceHistory={};exports.warnOnce=function(r){warnOnceHistory[r]||("undefined"!=typeof console&&console.warn(r),warnOnceHistory[r]=!0)},exports.isCounterClockwise=function(r,e,n){return(n.y-r.y)*(e.x-r.x)>(e.y-r.y)*(n.x-r.x)},exports.calculateSignedArea=function(r){for(var e,n,t=0,o=0,a=r.length,i=a-1;o<a;i=o++)e=r[o],n=r[i],t+=(n.x-e.x)*(e.y+n.y);return t},exports.isClosedPolygon=function(r){if(r.length<4)return!1;var e=r[0],n=r[r.length-1];return!(Math.abs(e.x-n.x)>0||Math.abs(e.y-n.y)>0)&&Math.abs(exports.calculateSignedArea(r))>.01},exports.sphericalToCartesian=function(r){var e=r[0],n=r[1],t=r[2];return n+=90,n*=Math.PI/180,t*=Math.PI/180,[e*Math.cos(n)*Math.sin(t),e*Math.sin(n)*Math.sin(t),e*Math.cos(t)]};
+},{"../geo/coordinate":18,"point-geometry":194,"unitbezier":200}],127:[function(require,module,exports){
+"use strict";var Feature=function(e,t,r,o){this.type="Feature",this._vectorTileFeature=e,e._z=t,e._x=r,e._y=o,this.properties=e.properties,null!=e.id&&(this.id=e.id)},prototypeAccessors={geometry:{}};prototypeAccessors.geometry.get=function(){return void 0===this._geometry&&(this._geometry=this._vectorTileFeature.toGeoJSON(this._vectorTileFeature._x,this._vectorTileFeature._y,this._vectorTileFeature._z).geometry),this._geometry},prototypeAccessors.geometry.set=function(e){this._geometry=e},Feature.prototype.toJSON=function(){var e=this,t={geometry:this.geometry};for(var r in this)"_geometry"!==r&&"_vectorTileFeature"!==r&&(t[r]=e[r]);return t},Object.defineProperties(Feature.prototype,prototypeAccessors),module.exports=Feature;
+},{}],128:[function(require,module,exports){
+"use strict";var scriptDetection=require("./script_detection");module.exports=function(t){for(var o="",e=0;e<t.length;e++){var r=t.charCodeAt(e+1)||null,l=t.charCodeAt(e-1)||null,i=(!r||!scriptDetection.charHasRotatedVerticalOrientation(r)||module.exports.lookup[t[e+1]])&&(!l||!scriptDetection.charHasRotatedVerticalOrientation(l)||module.exports.lookup[t[e-1]]);o+=i&&module.exports.lookup[t[e]]?module.exports.lookup[t[e]]:t[e]}return o},module.exports.lookup={"!":"︕","#":"＃",$:"＄","%":"ï¼…","&":"＆","(":"︵",")":"︶","*":"＊","+":"＋",",":"︐","-":"︲",".":"・","/":"／",":":"︓",";":"︔","<":"︿","=":"＝",">":"ï¹€","?":"︖","@":"ï¼ ","[":"﹇","\\":"ï¼¼","]":"﹈","^":"ï¼¾",_:"︳","`":"ï½€","{":"︷","|":"―","}":"︸","~":"～","¢":"ï¿ ","£":"ï¿¡","Â¥":"ï¿¥","¦":"￤","¬":"ï¿¢","¯":"ï¿£","–":"︲","—":"︱","‘":"﹃","’":"﹄","“":"﹁","”":"﹂","…":"︙","‧":"・","â‚©":"￦","、":"︑","。":"︒","〈":"︿","〉":"ï¹€","《":"︽","》":"︾","「":"﹁","」":"﹂","『":"﹃","』":"﹄","【":"︻","】":"︼","〔":"︹","〕":"︺","〖":"︗","〗":"︘","！":"︕","（":"︵","）":"︶","，":"︐","－":"︲","．":"・","：":"︓","ï¼›":"︔","＜":"︿","＞":"ï¹€","？":"︖","ï¼»":"﹇","ï¼½":"﹈","＿":"︳","ï½›":"︷","｜":"―","｝":"︸","｟":"︵","ï½ ":"︶","｡":"︒","ï½¢":"﹁","ï½£":"﹂"};
+},{"./script_detection":123}],129:[function(require,module,exports){
+"use strict";var WebWorker=require("./web_worker"),WorkerPool=function(){this.active={}};WorkerPool.prototype.acquire=function(r){var e=this;if(!this.workers){var o=require("../mapbox-gl").workerCount;for(this.workers=[];this.workers.length<o;)e.workers.push(new WebWorker)}return this.active[r]=!0,this.workers.slice()},WorkerPool.prototype.release=function(r){delete this.active[r],0===Object.keys(this.active).length&&(this.workers.forEach(function(r){r.terminate()}),this.workers=null)},module.exports=WorkerPool;
+},{"../mapbox-gl":24,"./web_worker":108}],130:[function(require,module,exports){
+function clamp_css_byte(e){return e=Math.round(e),e<0?0:e>255?255:e}function clamp_css_float(e){return e<0?0:e>1?1:e}function parse_css_int(e){return clamp_css_byte("%"===e[e.length-1]?parseFloat(e)/100*255:parseInt(e))}function parse_css_float(e){return clamp_css_float("%"===e[e.length-1]?parseFloat(e)/100:parseFloat(e))}function css_hue_to_rgb(e,r,l){return l<0?l+=1:l>1&&(l-=1),6*l<1?e+(r-e)*l*6:2*l<1?r:3*l<2?e+(r-e)*(2/3-l)*6:e}function parseCSSColor(e){var r=e.replace(/ /g,"").toLowerCase();if(r in kCSSColorTable)return kCSSColorTable[r].slice();if("#"===r[0]){if(4===r.length){var l=parseInt(r.substr(1),16);return l>=0&&l<=4095?[(3840&l)>>4|(3840&l)>>8,240&l|(240&l)>>4,15&l|(15&l)<<4,1]:null}if(7===r.length){var l=parseInt(r.substr(1),16);return l>=0&&l<=16777215?[(16711680&l)>>16,(65280&l)>>8,255&l,1]:null}return null}var a=r.indexOf("("),t=r.indexOf(")");if(a!==-1&&t+1===r.length){var n=r.substr(0,a),s=r.substr(a+1,t-(a+1)).split(","),o=1;switch(n){case"rgba":if(4!==s.length)return null;o=parse_css_float(s.pop());case"rgb":return 3!==s.length?null:[parse_css_int(s[0]),parse_css_int(s[1]),parse_css_int(s[2]),o];case"hsla":if(4!==s.length)return null;o=parse_css_float(s.pop());case"hsl":if(3!==s.length)return null;var i=(parseFloat(s[0])%360+360)%360/360,u=parse_css_float(s[1]),g=parse_css_float(s[2]),d=g<=.5?g*(u+1):g+u-g*u,c=2*g-d;return[clamp_css_byte(255*css_hue_to_rgb(c,d,i+1/3)),clamp_css_byte(255*css_hue_to_rgb(c,d,i)),clamp_css_byte(255*css_hue_to_rgb(c,d,i-1/3)),o];default:return null}}return null}var kCSSColorTable={transparent:[0,0,0,0],aliceblue:[240,248,255,1],antiquewhite:[250,235,215,1],aqua:[0,255,255,1],aquamarine:[127,255,212,1],azure:[240,255,255,1],beige:[245,245,220,1],bisque:[255,228,196,1],black:[0,0,0,1],blanchedalmond:[255,235,205,1],blue:[0,0,255,1],blueviolet:[138,43,226,1],brown:[165,42,42,1],burlywood:[222,184,135,1],cadetblue:[95,158,160,1],chartreuse:[127,255,0,1],chocolate:[210,105,30,1],coral:[255,127,80,1],cornflowerblue:[100,149,237,1],cornsilk:[255,248,220,1],crimson:[220,20,60,1],cyan:[0,255,255,1],darkblue:[0,0,139,1],darkcyan:[0,139,139,1],darkgoldenrod:[184,134,11,1],darkgray:[169,169,169,1],darkgreen:[0,100,0,1],darkgrey:[169,169,169,1],darkkhaki:[189,183,107,1],darkmagenta:[139,0,139,1],darkolivegreen:[85,107,47,1],darkorange:[255,140,0,1],darkorchid:[153,50,204,1],darkred:[139,0,0,1],darksalmon:[233,150,122,1],darkseagreen:[143,188,143,1],darkslateblue:[72,61,139,1],darkslategray:[47,79,79,1],darkslategrey:[47,79,79,1],darkturquoise:[0,206,209,1],darkviolet:[148,0,211,1],deeppink:[255,20,147,1],deepskyblue:[0,191,255,1],dimgray:[105,105,105,1],dimgrey:[105,105,105,1],dodgerblue:[30,144,255,1],firebrick:[178,34,34,1],floralwhite:[255,250,240,1],forestgreen:[34,139,34,1],fuchsia:[255,0,255,1],gainsboro:[220,220,220,1],ghostwhite:[248,248,255,1],gold:[255,215,0,1],goldenrod:[218,165,32,1],gray:[128,128,128,1],green:[0,128,0,1],greenyellow:[173,255,47,1],grey:[128,128,128,1],honeydew:[240,255,240,1],hotpink:[255,105,180,1],indianred:[205,92,92,1],indigo:[75,0,130,1],ivory:[255,255,240,1],khaki:[240,230,140,1],lavender:[230,230,250,1],lavenderblush:[255,240,245,1],lawngreen:[124,252,0,1],lemonchiffon:[255,250,205,1],lightblue:[173,216,230,1],lightcoral:[240,128,128,1],lightcyan:[224,255,255,1],lightgoldenrodyellow:[250,250,210,1],lightgray:[211,211,211,1],lightgreen:[144,238,144,1],lightgrey:[211,211,211,1],lightpink:[255,182,193,1],lightsalmon:[255,160,122,1],lightseagreen:[32,178,170,1],lightskyblue:[135,206,250,1],lightslategray:[119,136,153,1],lightslategrey:[119,136,153,1],lightsteelblue:[176,196,222,1],lightyellow:[255,255,224,1],lime:[0,255,0,1],limegreen:[50,205,50,1],linen:[250,240,230,1],magenta:[255,0,255,1],maroon:[128,0,0,1],mediumaquamarine:[102,205,170,1],mediumblue:[0,0,205,1],mediumorchid:[186,85,211,1],mediumpurple:[147,112,219,1],mediumseagreen:[60,179,113,1],mediumslateblue:[123,104,238,1],mediumspringgreen:[0,250,154,1],mediumturquoise:[72,209,204,1],mediumvioletred:[199,21,133,1],midnightblue:[25,25,112,1],mintcream:[245,255,250,1],mistyrose:[255,228,225,1],moccasin:[255,228,181,1],navajowhite:[255,222,173,1],navy:[0,0,128,1],oldlace:[253,245,230,1],olive:[128,128,0,1],olivedrab:[107,142,35,1],orange:[255,165,0,1],orangered:[255,69,0,1],orchid:[218,112,214,1],palegoldenrod:[238,232,170,1],palegreen:[152,251,152,1],paleturquoise:[175,238,238,1],palevioletred:[219,112,147,1],papayawhip:[255,239,213,1],peachpuff:[255,218,185,1],peru:[205,133,63,1],pink:[255,192,203,1],plum:[221,160,221,1],powderblue:[176,224,230,1],purple:[128,0,128,1],rebeccapurple:[102,51,153,1],red:[255,0,0,1],rosybrown:[188,143,143,1],royalblue:[65,105,225,1],saddlebrown:[139,69,19,1],salmon:[250,128,114,1],sandybrown:[244,164,96,1],seagreen:[46,139,87,1],seashell:[255,245,238,1],sienna:[160,82,45,1],silver:[192,192,192,1],skyblue:[135,206,235,1],slateblue:[106,90,205,1],slategray:[112,128,144,1],slategrey:[112,128,144,1],snow:[255,250,250,1],springgreen:[0,255,127,1],steelblue:[70,130,180,1],tan:[210,180,140,1],teal:[0,128,128,1],thistle:[216,191,216,1],tomato:[255,99,71,1],turquoise:[64,224,208,1],violet:[238,130,238,1],wheat:[245,222,179,1],white:[255,255,255,1],whitesmoke:[245,245,245,1],yellow:[255,255,0,1],yellowgreen:[154,205,50,1]};try{exports.parseCSSColor=parseCSSColor}catch(e){}
+},{}],131:[function(require,module,exports){
+"use strict";function earcut(e,n,r){r=r||2;var t=n&&n.length,i=t?n[0]*r:e.length,x=linkedList(e,0,i,r,!0),a=[];if(!x)return a;var o,l,u,s,v,f,y;if(t&&(x=eliminateHoles(e,n,x,r)),e.length>80*r){o=u=e[0],l=s=e[1];for(var d=r;d<i;d+=r)v=e[d],f=e[d+1],v<o&&(o=v),f<l&&(l=f),v>u&&(u=v),f>s&&(s=f);y=Math.max(u-o,s-l)}return earcutLinked(x,a,r,o,l,y),a}function linkedList(e,n,r,t,i){var x,a;if(i===signedArea(e,n,r,t)>0)for(x=n;x<r;x+=t)a=insertNode(x,e[x],e[x+1],a);else for(x=r-t;x>=n;x-=t)a=insertNode(x,e[x],e[x+1],a);return a&&equals(a,a.next)&&(removeNode(a),a=a.next),a}function filterPoints(e,n){if(!e)return e;n||(n=e);var r,t=e;do if(r=!1,t.steiner||!equals(t,t.next)&&0!==area(t.prev,t,t.next))t=t.next;else{if(removeNode(t),t=n=t.prev,t===t.next)return null;r=!0}while(r||t!==n);return n}function earcutLinked(e,n,r,t,i,x,a){if(e){!a&&x&&indexCurve(e,t,i,x);for(var o,l,u=e;e.prev!==e.next;)if(o=e.prev,l=e.next,x?isEarHashed(e,t,i,x):isEar(e))n.push(o.i/r),n.push(e.i/r),n.push(l.i/r),removeNode(e),e=l.next,u=l.next;else if(e=l,e===u){a?1===a?(e=cureLocalIntersections(e,n,r),earcutLinked(e,n,r,t,i,x,2)):2===a&&splitEarcut(e,n,r,t,i,x):earcutLinked(filterPoints(e),n,r,t,i,x,1);break}}}function isEar(e){var n=e.prev,r=e,t=e.next;if(area(n,r,t)>=0)return!1;for(var i=e.next.next;i!==e.prev;){if(pointInTriangle(n.x,n.y,r.x,r.y,t.x,t.y,i.x,i.y)&&area(i.prev,i,i.next)>=0)return!1;i=i.next}return!0}function isEarHashed(e,n,r,t){var i=e.prev,x=e,a=e.next;if(area(i,x,a)>=0)return!1;for(var o=i.x<x.x?i.x<a.x?i.x:a.x:x.x<a.x?x.x:a.x,l=i.y<x.y?i.y<a.y?i.y:a.y:x.y<a.y?x.y:a.y,u=i.x>x.x?i.x>a.x?i.x:a.x:x.x>a.x?x.x:a.x,s=i.y>x.y?i.y>a.y?i.y:a.y:x.y>a.y?x.y:a.y,v=zOrder(o,l,n,r,t),f=zOrder(u,s,n,r,t),y=e.nextZ;y&&y.z<=f;){if(y!==e.prev&&y!==e.next&&pointInTriangle(i.x,i.y,x.x,x.y,a.x,a.y,y.x,y.y)&&area(y.prev,y,y.next)>=0)return!1;y=y.nextZ}for(y=e.prevZ;y&&y.z>=v;){if(y!==e.prev&&y!==e.next&&pointInTriangle(i.x,i.y,x.x,x.y,a.x,a.y,y.x,y.y)&&area(y.prev,y,y.next)>=0)return!1;y=y.prevZ}return!0}function cureLocalIntersections(e,n,r){var t=e;do{var i=t.prev,x=t.next.next;!equals(i,x)&&intersects(i,t,t.next,x)&&locallyInside(i,x)&&locallyInside(x,i)&&(n.push(i.i/r),n.push(t.i/r),n.push(x.i/r),removeNode(t),removeNode(t.next),t=e=x),t=t.next}while(t!==e);return t}function splitEarcut(e,n,r,t,i,x){var a=e;do{for(var o=a.next.next;o!==a.prev;){if(a.i!==o.i&&isValidDiagonal(a,o)){var l=splitPolygon(a,o);return a=filterPoints(a,a.next),l=filterPoints(l,l.next),earcutLinked(a,n,r,t,i,x),void earcutLinked(l,n,r,t,i,x)}o=o.next}a=a.next}while(a!==e)}function eliminateHoles(e,n,r,t){var i,x,a,o,l,u=[];for(i=0,x=n.length;i<x;i++)a=n[i]*t,o=i<x-1?n[i+1]*t:e.length,l=linkedList(e,a,o,t,!1),l===l.next&&(l.steiner=!0),u.push(getLeftmost(l));for(u.sort(compareX),i=0;i<u.length;i++)eliminateHole(u[i],r),r=filterPoints(r,r.next);return r}function compareX(e,n){return e.x-n.x}function eliminateHole(e,n){if(n=findHoleBridge(e,n)){var r=splitPolygon(n,e);filterPoints(r,r.next)}}function findHoleBridge(e,n){var r,t=n,i=e.x,x=e.y,a=-(1/0);do{if(x<=t.y&&x>=t.next.y){var o=t.x+(x-t.y)*(t.next.x-t.x)/(t.next.y-t.y);if(o<=i&&o>a){if(a=o,o===i){if(x===t.y)return t;if(x===t.next.y)return t.next}r=t.x<t.next.x?t:t.next}}t=t.next}while(t!==n);if(!r)return null;if(i===a)return r.prev;var l,u=r,s=r.x,v=r.y,f=1/0;for(t=r.next;t!==u;)i>=t.x&&t.x>=s&&pointInTriangle(x<v?i:a,x,s,v,x<v?a:i,x,t.x,t.y)&&(l=Math.abs(x-t.y)/(i-t.x),(l<f||l===f&&t.x>r.x)&&locallyInside(t,e)&&(r=t,f=l)),t=t.next;return r}function indexCurve(e,n,r,t){var i=e;do null===i.z&&(i.z=zOrder(i.x,i.y,n,r,t)),i.prevZ=i.prev,i.nextZ=i.next,i=i.next;while(i!==e);i.prevZ.nextZ=null,i.prevZ=null,sortLinked(i)}function sortLinked(e){var n,r,t,i,x,a,o,l,u=1;do{for(r=e,e=null,x=null,a=0;r;){for(a++,t=r,o=0,n=0;n<u&&(o++,t=t.nextZ,t);n++);for(l=u;o>0||l>0&&t;)0===o?(i=t,t=t.nextZ,l--):0!==l&&t?r.z<=t.z?(i=r,r=r.nextZ,o--):(i=t,t=t.nextZ,l--):(i=r,r=r.nextZ,o--),x?x.nextZ=i:e=i,i.prevZ=x,x=i;r=t}x.nextZ=null,u*=2}while(a>1);return e}function zOrder(e,n,r,t,i){return e=32767*(e-r)/i,n=32767*(n-t)/i,e=16711935&(e|e<<8),e=252645135&(e|e<<4),e=858993459&(e|e<<2),e=1431655765&(e|e<<1),n=16711935&(n|n<<8),n=252645135&(n|n<<4),n=858993459&(n|n<<2),n=1431655765&(n|n<<1),e|n<<1}function getLeftmost(e){var n=e,r=e;do n.x<r.x&&(r=n),n=n.next;while(n!==e);return r}function pointInTriangle(e,n,r,t,i,x,a,o){return(i-a)*(n-o)-(e-a)*(x-o)>=0&&(e-a)*(t-o)-(r-a)*(n-o)>=0&&(r-a)*(x-o)-(i-a)*(t-o)>=0}function isValidDiagonal(e,n){return e.next.i!==n.i&&e.prev.i!==n.i&&!intersectsPolygon(e,n)&&locallyInside(e,n)&&locallyInside(n,e)&&middleInside(e,n)}function area(e,n,r){return(n.y-e.y)*(r.x-n.x)-(n.x-e.x)*(r.y-n.y)}function equals(e,n){return e.x===n.x&&e.y===n.y}function intersects(e,n,r,t){return!!(equals(e,n)&&equals(r,t)||equals(e,t)&&equals(r,n))||area(e,n,r)>0!=area(e,n,t)>0&&area(r,t,e)>0!=area(r,t,n)>0}function intersectsPolygon(e,n){var r=e;do{if(r.i!==e.i&&r.next.i!==e.i&&r.i!==n.i&&r.next.i!==n.i&&intersects(r,r.next,e,n))return!0;r=r.next}while(r!==e);return!1}function locallyInside(e,n){return area(e.prev,e,e.next)<0?area(e,n,e.next)>=0&&area(e,e.prev,n)>=0:area(e,n,e.prev)<0||area(e,e.next,n)<0}function middleInside(e,n){var r=e,t=!1,i=(e.x+n.x)/2,x=(e.y+n.y)/2;do r.y>x!=r.next.y>x&&i<(r.next.x-r.x)*(x-r.y)/(r.next.y-r.y)+r.x&&(t=!t),r=r.next;while(r!==e);return t}function splitPolygon(e,n){var r=new Node(e.i,e.x,e.y),t=new Node(n.i,n.x,n.y),i=e.next,x=n.prev;return e.next=n,n.prev=e,r.next=i,i.prev=r,t.next=r,r.prev=t,x.next=t,t.prev=x,t}function insertNode(e,n,r,t){var i=new Node(e,n,r);return t?(i.next=t.next,i.prev=t,t.next.prev=i,t.next=i):(i.prev=i,i.next=i),i}function removeNode(e){e.next.prev=e.prev,e.prev.next=e.next,e.prevZ&&(e.prevZ.nextZ=e.nextZ),e.nextZ&&(e.nextZ.prevZ=e.prevZ)}function Node(e,n,r){this.i=e,this.x=n,this.y=r,this.prev=null,this.next=null,this.z=null,this.prevZ=null,this.nextZ=null,this.steiner=!1}function signedArea(e,n,r,t){for(var i=0,x=n,a=r-t;x<r;x+=t)i+=(e[a]-e[x])*(e[x+1]+e[a+1]),a=x;return i}module.exports=earcut,earcut.deviation=function(e,n,r,t){var i=n&&n.length,x=i?n[0]*r:e.length,a=Math.abs(signedArea(e,0,x,r));if(i)for(var o=0,l=n.length;o<l;o++){var u=n[o]*r,s=o<l-1?n[o+1]*r:e.length;a-=Math.abs(signedArea(e,u,s,r))}var v=0;for(o=0;o<t.length;o+=3){var f=t[o]*r,y=t[o+1]*r,d=t[o+2]*r;v+=Math.abs((e[f]-e[d])*(e[y+1]-e[f+1])-(e[f]-e[y])*(e[d+1]-e[f+1]))}return 0===a&&0===v?0:Math.abs((v-a)/a)},earcut.flatten=function(e){for(var n=e[0][0].length,r={vertices:[],holes:[],dimensions:n},t=0,i=0;i<e.length;i++){for(var x=0;x<e[i].length;x++)for(var a=0;a<n;a++)r.vertices.push(e[i][x][a]);i>0&&(t+=e[i-1].length,r.holes.push(t))}return r};
+},{}],132:[function(require,module,exports){
+function sss(r){var e,t,s,n,u,a;switch(typeof r){case"object":if(null===r)return null;if(isArray(r)){for(s="[",t=r.length-1,e=0;e<t;e++)s+=sss(r[e])+",";return t>-1&&(s+=sss(r[e])),s+"]"}for(n=objKeys(r).sort(),t=n.length,s="{",u=n[e=0],a=t>0&&void 0!==r[u];e<t;)a?(s+='"'+u.replace(strReg,strReplace)+'":'+sss(r[u]),u=n[++e],a=e<t&&void 0!==r[u],a&&(s+=",")):(u=n[++e],a=e<t&&void 0!==r[u]);return s+"}";case"undefined":return null;case"string":return'"'+r.replace(strReg,strReplace)+'"';default:return r}}var toString={}.toString,isArray=Array.isArray||function(r){return"[object Array]"===toString.call(r)},objKeys=Object.keys||function(r){var e=[];for(var t in r)r.hasOwnProperty(t)&&e.push(t);return e},strReg=/[\u0000-\u001f"\\]/g,strReplace=function(r){var e=r.charCodeAt(0);switch(e){case 34:return'\\"';case 92:return"\\\\";case 12:return"\\f";case 10:return"\\n";case 13:return"\\r";case 9:return"\\t";case 8:return"\\b";default:return e>15?"\\u00"+e.toString(16):"\\u000"+e.toString(16)}};module.exports=function(r){if(void 0!==r)return""+sss(r)},module.exports.stringSearch=strReg,module.exports.stringReplace=strReplace;
+},{}],133:[function(require,module,exports){
+"use strict";function createFilter(e){return new Function("f","var p = (f && f.properties || {}); return "+compile(e))}function compile(e){if(!e)return"true";var i=e[0];if(e.length<=1)return"any"===i?"false":"true";var n="=="===i?compileComparisonOp(e[1],e[2],"===",!1):"!="===i?compileComparisonOp(e[1],e[2],"!==",!1):"<"===i||">"===i||"<="===i||">="===i?compileComparisonOp(e[1],e[2],i,!0):"any"===i?compileLogicalOp(e.slice(1),"||"):"all"===i?compileLogicalOp(e.slice(1),"&&"):"none"===i?compileNegation(compileLogicalOp(e.slice(1),"||")):"in"===i?compileInOp(e[1],e.slice(2)):"!in"===i?compileNegation(compileInOp(e[1],e.slice(2))):"has"===i?compileHasOp(e[1]):"!has"===i?compileNegation(compileHasOp([e[1]])):"true";return"("+n+")"}function compilePropertyReference(e){return"$type"===e?"f.type":"$id"===e?"f.id":"p["+JSON.stringify(e)+"]"}function compileComparisonOp(e,i,n,r){var o=compilePropertyReference(e),t="$type"===e?types.indexOf(i):JSON.stringify(i);return(r?"typeof "+o+"=== typeof "+t+"&&":"")+o+n+t}function compileLogicalOp(e,i){return e.map(compile).join(i)}function compileInOp(e,i){"$type"===e&&(i=i.map(function(e){return types.indexOf(e)}));var n=JSON.stringify(i.sort(compare)),r=compilePropertyReference(e);return i.length<=200?n+".indexOf("+r+") !== -1":"function(v, a, i, j) {while (i <= j) { var m = (i + j) >> 1;    if (a[m] === v) return true; if (a[m] > v) j = m - 1; else i = m + 1;}return false; }("+r+", "+n+",0,"+(i.length-1)+")"}function compileHasOp(e){return JSON.stringify(e)+" in p"}function compileNegation(e){return"!("+e+")"}function compare(e,i){return e<i?-1:e>i?1:0}module.exports=createFilter;var types=["Unknown","Point","LineString","Polygon"];
+},{}],134:[function(require,module,exports){
+function geometry(r){if("Polygon"===r.type)return polygonArea(r.coordinates);if("MultiPolygon"===r.type){for(var e=0,n=0;n<r.coordinates.length;n++)e+=polygonArea(r.coordinates[n]);return e}return null}function polygonArea(r){var e=0;if(r&&r.length>0){e+=Math.abs(ringArea(r[0]));for(var n=1;n<r.length;n++)e-=Math.abs(ringArea(r[n]))}return e}function ringArea(r){var e=0;if(r.length>2){for(var n,t,o=0;o<r.length-1;o++)n=r[o],t=r[o+1],e+=rad(t[0]-n[0])*(2+Math.sin(rad(n[1]))+Math.sin(rad(t[1])));e=e*wgs84.RADIUS*wgs84.RADIUS/2}return e}function rad(r){return r*Math.PI/180}var wgs84=require("wgs84");module.exports.geometry=geometry,module.exports.ring=ringArea;
+},{"wgs84":212}],135:[function(require,module,exports){
+function rewind(r,e){switch(r&&r.type||null){case"FeatureCollection":return r.features=r.features.map(curryOuter(rewind,e)),r;case"Feature":return r.geometry=rewind(r.geometry,e),r;case"Polygon":case"MultiPolygon":return correct(r,e);default:return r}}function curryOuter(r,e){return function(n){return r(n,e)}}function correct(r,e){return"Polygon"===r.type?r.coordinates=correctRings(r.coordinates,e):"MultiPolygon"===r.type&&(r.coordinates=r.coordinates.map(curryOuter(correctRings,e))),r}function correctRings(r,e){e=!!e,r[0]=wind(r[0],!e);for(var n=1;n<r.length;n++)r[n]=wind(r[n],e);return r}function wind(r,e){return cw(r)===e?r:r.reverse()}function cw(r){return geojsonArea.ring(r)>=0}var geojsonArea=require("geojson-area");module.exports=rewind;
+},{"geojson-area":134}],136:[function(require,module,exports){
+"use strict";function clip(e,r,t,n,u,i,l,s){if(t/=r,n/=r,l>=t&&s<=n)return e;if(l>n||s<t)return null;for(var h=[],p=0;p<e.length;p++){var a,c,o=e[p],f=o.geometry,g=o.type;if(a=o.min[u],c=o.max[u],a>=t&&c<=n)h.push(o);else if(!(a>n||c<t)){var v=1===g?clipPoints(f,t,n,u):clipGeometry(f,t,n,u,i,3===g);v.length&&h.push(createFeature(o.tags,g,v,o.id))}}return h.length?h:null}function clipPoints(e,r,t,n){for(var u=[],i=0;i<e.length;i++){var l=e[i],s=l[n];s>=r&&s<=t&&u.push(l)}return u}function clipGeometry(e,r,t,n,u,i){for(var l=[],s=0;s<e.length;s++){var h,p,a,c=0,o=0,f=null,g=e[s],v=g.area,m=g.dist,w=g.outer,S=g.length,d=[];for(p=0;p<S-1;p++)h=f||g[p],f=g[p+1],c=o||h[n],o=f[n],c<r?o>t?(d.push(u(h,f,r),u(h,f,t)),i||(d=newSlice(l,d,v,m,w))):o>=r&&d.push(u(h,f,r)):c>t?o<r?(d.push(u(h,f,t),u(h,f,r)),i||(d=newSlice(l,d,v,m,w))):o<=t&&d.push(u(h,f,t)):(d.push(h),o<r?(d.push(u(h,f,r)),i||(d=newSlice(l,d,v,m,w))):o>t&&(d.push(u(h,f,t)),i||(d=newSlice(l,d,v,m,w))));h=g[S-1],c=h[n],c>=r&&c<=t&&d.push(h),a=d[d.length-1],i&&a&&(d[0][0]!==a[0]||d[0][1]!==a[1])&&d.push(d[0]),newSlice(l,d,v,m,w)}return l}function newSlice(e,r,t,n,u){return r.length&&(r.area=t,r.dist=n,void 0!==u&&(r.outer=u),e.push(r)),[]}module.exports=clip;var createFeature=require("./feature");
+},{"./feature":138}],137:[function(require,module,exports){
+"use strict";function convert(e,t){var r=[];if("FeatureCollection"===e.type)for(var o=0;o<e.features.length;o++)convertFeature(r,e.features[o],t);else"Feature"===e.type?convertFeature(r,e,t):convertFeature(r,{geometry:e},t);return r}function convertFeature(e,t,r){if(null!==t.geometry){var o,a,i,n,u=t.geometry,c=u.type,l=u.coordinates,s=t.properties,p=t.id;if("Point"===c)e.push(createFeature(s,1,[projectPoint(l)],p));else if("MultiPoint"===c)e.push(createFeature(s,1,project(l),p));else if("LineString"===c)e.push(createFeature(s,2,[project(l,r)],p));else if("MultiLineString"===c||"Polygon"===c){for(i=[],o=0;o<l.length;o++)n=project(l[o],r),"Polygon"===c&&(n.outer=0===o),i.push(n);e.push(createFeature(s,"Polygon"===c?3:2,i,p))}else if("MultiPolygon"===c){for(i=[],o=0;o<l.length;o++)for(a=0;a<l[o].length;a++)n=project(l[o][a],r),n.outer=0===a,i.push(n);e.push(createFeature(s,3,i,p))}else{if("GeometryCollection"!==c)throw new Error("Input data is not a valid GeoJSON object.");for(o=0;o<u.geometries.length;o++)convertFeature(e,{geometry:u.geometries[o],properties:s},r)}}}function project(e,t){for(var r=[],o=0;o<e.length;o++)r.push(projectPoint(e[o]));return t&&(simplify(r,t),calcSize(r)),r}function projectPoint(e){var t=Math.sin(e[1]*Math.PI/180),r=e[0]/360+.5,o=.5-.25*Math.log((1+t)/(1-t))/Math.PI;return o=o<0?0:o>1?1:o,[r,o,0]}function calcSize(e){for(var t,r,o=0,a=0,i=0;i<e.length-1;i++)t=r||e[i],r=e[i+1],o+=t[0]*r[1]-r[0]*t[1],a+=Math.abs(r[0]-t[0])+Math.abs(r[1]-t[1]);e.area=Math.abs(o/2),e.dist=a}module.exports=convert;var simplify=require("./simplify"),createFeature=require("./feature");
+},{"./feature":138,"./simplify":140}],138:[function(require,module,exports){
+"use strict";function createFeature(e,t,a,n){var r={id:n||null,type:t,geometry:a,tags:e||null,min:[1/0,1/0],max:[-(1/0),-(1/0)]};return calcBBox(r),r}function calcBBox(e){var t=e.geometry,a=e.min,n=e.max;if(1===e.type)calcRingBBox(a,n,t);else for(var r=0;r<t.length;r++)calcRingBBox(a,n,t[r]);return e}function calcRingBBox(e,t,a){for(var n,r=0;r<a.length;r++)n=a[r],e[0]=Math.min(n[0],e[0]),t[0]=Math.max(n[0],t[0]),e[1]=Math.min(n[1],e[1]),t[1]=Math.max(n[1],t[1])}module.exports=createFeature;
+},{}],139:[function(require,module,exports){
+"use strict";function geojsonvt(e,t){return new GeoJSONVT(e,t)}function GeoJSONVT(e,t){t=this.options=extend(Object.create(this.options),t);var i=t.debug;i&&console.time("preprocess data");var o=1<<t.maxZoom,n=convert(e,t.tolerance/(o*t.extent));this.tiles={},this.tileCoords=[],i&&(console.timeEnd("preprocess data"),console.log("index: maxZoom: %d, maxPoints: %d",t.indexMaxZoom,t.indexMaxPoints),console.time("generate tiles"),this.stats={},this.total=0),n=wrap(n,t.buffer/t.extent,intersectX),n.length&&this.splitTile(n,0,0,0),i&&(n.length&&console.log("features: %d, points: %d",this.tiles[0].numFeatures,this.tiles[0].numPoints),console.timeEnd("generate tiles"),console.log("tiles generated:",this.total,JSON.stringify(this.stats)))}function toID(e,t,i){return 32*((1<<e)*i+t)+e}function intersectX(e,t,i){return[i,(i-e[0])*(t[1]-e[1])/(t[0]-e[0])+e[1],1]}function intersectY(e,t,i){return[(i-e[1])*(t[0]-e[0])/(t[1]-e[1])+e[0],i,1]}function extend(e,t){for(var i in t)e[i]=t[i];return e}function isClippedSquare(e,t,i){var o=e.source;if(1!==o.length)return!1;var n=o[0];if(3!==n.type||n.geometry.length>1)return!1;var r=n.geometry[0].length;if(5!==r)return!1;for(var s=0;s<r;s++){var l=transform.point(n.geometry[0][s],t,e.z2,e.x,e.y);if(l[0]!==-i&&l[0]!==t+i||l[1]!==-i&&l[1]!==t+i)return!1}return!0}module.exports=geojsonvt;var convert=require("./convert"),transform=require("./transform"),clip=require("./clip"),wrap=require("./wrap"),createTile=require("./tile");GeoJSONVT.prototype.options={maxZoom:14,indexMaxZoom:5,indexMaxPoints:1e5,solidChildren:!1,tolerance:3,extent:4096,buffer:64,debug:0},GeoJSONVT.prototype.splitTile=function(e,t,i,o,n,r,s){for(var l=[e,t,i,o],a=this.options,u=a.debug,c=null;l.length;){o=l.pop(),i=l.pop(),t=l.pop(),e=l.pop();var p=1<<t,d=toID(t,i,o),m=this.tiles[d],f=t===a.maxZoom?0:a.tolerance/(p*a.extent);if(!m&&(u>1&&console.time("creation"),m=this.tiles[d]=createTile(e,p,i,o,f,t===a.maxZoom),this.tileCoords.push({z:t,x:i,y:o}),u)){u>1&&(console.log("tile z%d-%d-%d (features: %d, points: %d, simplified: %d)",t,i,o,m.numFeatures,m.numPoints,m.numSimplified),console.timeEnd("creation"));var h="z"+t;this.stats[h]=(this.stats[h]||0)+1,this.total++}if(m.source=e,n){if(t===a.maxZoom||t===n)continue;var x=1<<n-t;if(i!==Math.floor(r/x)||o!==Math.floor(s/x))continue}else if(t===a.indexMaxZoom||m.numPoints<=a.indexMaxPoints)continue;if(a.solidChildren||!isClippedSquare(m,a.extent,a.buffer)){m.source=null,u>1&&console.time("clipping");var g,v,M,T,b,y,S=.5*a.buffer/a.extent,Z=.5-S,q=.5+S,w=1+S;g=v=M=T=null,b=clip(e,p,i-S,i+q,0,intersectX,m.min[0],m.max[0]),y=clip(e,p,i+Z,i+w,0,intersectX,m.min[0],m.max[0]),b&&(g=clip(b,p,o-S,o+q,1,intersectY,m.min[1],m.max[1]),v=clip(b,p,o+Z,o+w,1,intersectY,m.min[1],m.max[1])),y&&(M=clip(y,p,o-S,o+q,1,intersectY,m.min[1],m.max[1]),T=clip(y,p,o+Z,o+w,1,intersectY,m.min[1],m.max[1])),u>1&&console.timeEnd("clipping"),e.length&&(l.push(g||[],t+1,2*i,2*o),l.push(v||[],t+1,2*i,2*o+1),l.push(M||[],t+1,2*i+1,2*o),l.push(T||[],t+1,2*i+1,2*o+1))}else n&&(c=t)}return c},GeoJSONVT.prototype.getTile=function(e,t,i){var o=this.options,n=o.extent,r=o.debug,s=1<<e;t=(t%s+s)%s;var l=toID(e,t,i);if(this.tiles[l])return transform.tile(this.tiles[l],n);r>1&&console.log("drilling down to z%d-%d-%d",e,t,i);for(var a,u=e,c=t,p=i;!a&&u>0;)u--,c=Math.floor(c/2),p=Math.floor(p/2),a=this.tiles[toID(u,c,p)];if(!a||!a.source)return null;if(r>1&&console.log("found parent tile z%d-%d-%d",u,c,p),isClippedSquare(a,n,o.buffer))return transform.tile(a,n);r>1&&console.time("drilling down");var d=this.splitTile(a.source,u,c,p,e,t,i);if(r>1&&console.timeEnd("drilling down"),null!==d){var m=1<<e-d;l=toID(d,Math.floor(t/m),Math.floor(i/m))}return this.tiles[l]?transform.tile(this.tiles[l],n):null};
+},{"./clip":136,"./convert":137,"./tile":141,"./transform":142,"./wrap":143}],140:[function(require,module,exports){
+"use strict";function simplify(t,i){var e,p,r,s,o=i*i,f=t.length,u=0,n=f-1,g=[];for(t[u][2]=1,t[n][2]=1;n;){for(p=0,e=u+1;e<n;e++)r=getSqSegDist(t[e],t[u],t[n]),r>p&&(s=e,p=r);p>o?(t[s][2]=p,g.push(u),g.push(s),u=s):(n=g.pop(),u=g.pop())}}function getSqSegDist(t,i,e){var p=i[0],r=i[1],s=e[0],o=e[1],f=t[0],u=t[1],n=s-p,g=o-r;if(0!==n||0!==g){var l=((f-p)*n+(u-r)*g)/(n*n+g*g);l>1?(p=s,r=o):l>0&&(p+=n*l,r+=g*l)}return n=f-p,g=u-r,n*n+g*g}module.exports=simplify;
+},{}],141:[function(require,module,exports){
+"use strict";function createTile(e,n,r,i,t,u){for(var a={features:[],numPoints:0,numSimplified:0,numFeatures:0,source:null,x:r,y:i,z2:n,transformed:!1,min:[2,1],max:[-1,0]},m=0;m<e.length;m++){a.numFeatures++,addFeature(a,e[m],t,u);var s=e[m].min,l=e[m].max;s[0]<a.min[0]&&(a.min[0]=s[0]),s[1]<a.min[1]&&(a.min[1]=s[1]),l[0]>a.max[0]&&(a.max[0]=l[0]),l[1]>a.max[1]&&(a.max[1]=l[1])}return a}function addFeature(e,n,r,i){var t,u,a,m,s=n.geometry,l=n.type,o=[],f=r*r;if(1===l)for(t=0;t<s.length;t++)o.push(s[t]),e.numPoints++,e.numSimplified++;else for(t=0;t<s.length;t++)if(a=s[t],i||!(2===l&&a.dist<r||3===l&&a.area<f)){var d=[];for(u=0;u<a.length;u++)m=a[u],(i||m[2]>f)&&(d.push(m),e.numSimplified++),e.numPoints++;3===l&&rewind(d,a.outer),o.push(d)}else e.numPoints+=a.length;if(o.length){var g={geometry:o,type:l,tags:n.tags||null};null!==n.id&&(g.id=n.id),e.features.push(g)}}function rewind(e,n){var r=signedArea(e);r<0===n&&e.reverse()}function signedArea(e){for(var n,r,i=0,t=0,u=e.length,a=u-1;t<u;a=t++)n=e[t],r=e[a],i+=(r[0]-n[0])*(n[1]+r[1]);return i}module.exports=createTile;
+},{}],142:[function(require,module,exports){
+"use strict";function transformTile(r,t){if(r.transformed)return r;var n,e,o,f=r.z2,a=r.x,s=r.y;for(n=0;n<r.features.length;n++){var i=r.features[n],u=i.geometry,m=i.type;if(1===m)for(e=0;e<u.length;e++)u[e]=transformPoint(u[e],t,f,a,s);else for(e=0;e<u.length;e++){var l=u[e];for(o=0;o<l.length;o++)l[o]=transformPoint(l[o],t,f,a,s)}}return r.transformed=!0,r}function transformPoint(r,t,n,e,o){var f=Math.round(t*(r[0]*n-e)),a=Math.round(t*(r[1]*n-o));return[f,a]}exports.tile=transformTile,exports.point=transformPoint;
+},{}],143:[function(require,module,exports){
+"use strict";function wrap(r,e,t){var o=r,a=clip(r,1,-1-e,e,0,t,-1,2),s=clip(r,1,1-e,2+e,0,t,-1,2);return(a||s)&&(o=clip(r,1,-e,1+e,0,t,-1,2)||[],a&&(o=shiftFeatureCoords(a,1).concat(o)),s&&(o=o.concat(shiftFeatureCoords(s,-1)))),o}function shiftFeatureCoords(r,e){for(var t=[],o=0;o<r.length;o++){var a,s=r[o],i=s.type;if(1===i)a=shiftCoords(s.geometry,e);else{a=[];for(var u=0;u<s.geometry.length;u++)a.push(shiftCoords(s.geometry[u],e))}t.push(createFeature(s.tags,i,a,s.id))}return t}function shiftCoords(r,e){var t=[];t.area=r.area,t.dist=r.dist;for(var o=0;o<r.length;o++)t.push([r[o][0]+e,r[o][1],r[o][2]]);return t}var clip=require("./clip"),createFeature=require("./feature");module.exports=wrap;
+},{"./clip":136,"./feature":138}],144:[function(require,module,exports){
+exports.glMatrix=require("./gl-matrix/common.js"),exports.mat2=require("./gl-matrix/mat2.js"),exports.mat2d=require("./gl-matrix/mat2d.js"),exports.mat3=require("./gl-matrix/mat3.js"),exports.mat4=require("./gl-matrix/mat4.js"),exports.quat=require("./gl-matrix/quat.js"),exports.vec2=require("./gl-matrix/vec2.js"),exports.vec3=require("./gl-matrix/vec3.js"),exports.vec4=require("./gl-matrix/vec4.js");
+},{"./gl-matrix/common.js":145,"./gl-matrix/mat2.js":146,"./gl-matrix/mat2d.js":147,"./gl-matrix/mat3.js":148,"./gl-matrix/mat4.js":149,"./gl-matrix/quat.js":150,"./gl-matrix/vec2.js":151,"./gl-matrix/vec3.js":152,"./gl-matrix/vec4.js":153}],145:[function(require,module,exports){
+var glMatrix={};glMatrix.EPSILON=1e-6,glMatrix.ARRAY_TYPE="undefined"!=typeof Float32Array?Float32Array:Array,glMatrix.RANDOM=Math.random,glMatrix.ENABLE_SIMD=!1,glMatrix.SIMD_AVAILABLE=glMatrix.ARRAY_TYPE===Float32Array&&"SIMD"in this,glMatrix.USE_SIMD=glMatrix.ENABLE_SIMD&&glMatrix.SIMD_AVAILABLE,glMatrix.setMatrixArrayType=function(a){glMatrix.ARRAY_TYPE=a};var degree=Math.PI/180;glMatrix.toRadian=function(a){return a*degree},glMatrix.equals=function(a,r){return Math.abs(a-r)<=glMatrix.EPSILON*Math.max(1,Math.abs(a),Math.abs(r))},module.exports=glMatrix;
+},{}],146:[function(require,module,exports){
+var glMatrix=require("./common.js"),mat2={};mat2.create=function(){var t=new glMatrix.ARRAY_TYPE(4);return t[0]=1,t[1]=0,t[2]=0,t[3]=1,t},mat2.clone=function(t){var a=new glMatrix.ARRAY_TYPE(4);return a[0]=t[0],a[1]=t[1],a[2]=t[2],a[3]=t[3],a},mat2.copy=function(t,a){return t[0]=a[0],t[1]=a[1],t[2]=a[2],t[3]=a[3],t},mat2.identity=function(t){return t[0]=1,t[1]=0,t[2]=0,t[3]=1,t},mat2.fromValues=function(t,a,n,r){var u=new glMatrix.ARRAY_TYPE(4);return u[0]=t,u[1]=a,u[2]=n,u[3]=r,u},mat2.set=function(t,a,n,r,u){return t[0]=a,t[1]=n,t[2]=r,t[3]=u,t},mat2.transpose=function(t,a){if(t===a){var n=a[1];t[1]=a[2],t[2]=n}else t[0]=a[0],t[1]=a[2],t[2]=a[1],t[3]=a[3];return t},mat2.invert=function(t,a){var n=a[0],r=a[1],u=a[2],e=a[3],i=n*e-u*r;return i?(i=1/i,t[0]=e*i,t[1]=-r*i,t[2]=-u*i,t[3]=n*i,t):null},mat2.adjoint=function(t,a){var n=a[0];return t[0]=a[3],t[1]=-a[1],t[2]=-a[2],t[3]=n,t},mat2.determinant=function(t){return t[0]*t[3]-t[2]*t[1]},mat2.multiply=function(t,a,n){var r=a[0],u=a[1],e=a[2],i=a[3],m=n[0],o=n[1],c=n[2],M=n[3];return t[0]=r*m+e*o,t[1]=u*m+i*o,t[2]=r*c+e*M,t[3]=u*c+i*M,t},mat2.mul=mat2.multiply,mat2.rotate=function(t,a,n){var r=a[0],u=a[1],e=a[2],i=a[3],m=Math.sin(n),o=Math.cos(n);return t[0]=r*o+e*m,t[1]=u*o+i*m,t[2]=r*-m+e*o,t[3]=u*-m+i*o,t},mat2.scale=function(t,a,n){var r=a[0],u=a[1],e=a[2],i=a[3],m=n[0],o=n[1];return t[0]=r*m,t[1]=u*m,t[2]=e*o,t[3]=i*o,t},mat2.fromRotation=function(t,a){var n=Math.sin(a),r=Math.cos(a);return t[0]=r,t[1]=n,t[2]=-n,t[3]=r,t},mat2.fromScaling=function(t,a){return t[0]=a[0],t[1]=0,t[2]=0,t[3]=a[1],t},mat2.str=function(t){return"mat2("+t[0]+", "+t[1]+", "+t[2]+", "+t[3]+")"},mat2.frob=function(t){return Math.sqrt(Math.pow(t[0],2)+Math.pow(t[1],2)+Math.pow(t[2],2)+Math.pow(t[3],2))},mat2.LDU=function(t,a,n,r){return t[2]=r[2]/r[0],n[0]=r[0],n[1]=r[1],n[3]=r[3]-t[2]*n[1],[t,a,n]},mat2.add=function(t,a,n){return t[0]=a[0]+n[0],t[1]=a[1]+n[1],t[2]=a[2]+n[2],t[3]=a[3]+n[3],t},mat2.subtract=function(t,a,n){return t[0]=a[0]-n[0],t[1]=a[1]-n[1],t[2]=a[2]-n[2],t[3]=a[3]-n[3],t},mat2.sub=mat2.subtract,mat2.exactEquals=function(t,a){return t[0]===a[0]&&t[1]===a[1]&&t[2]===a[2]&&t[3]===a[3]},mat2.equals=function(t,a){var n=t[0],r=t[1],u=t[2],e=t[3],i=a[0],m=a[1],o=a[2],c=a[3];return Math.abs(n-i)<=glMatrix.EPSILON*Math.max(1,Math.abs(n),Math.abs(i))&&Math.abs(r-m)<=glMatrix.EPSILON*Math.max(1,Math.abs(r),Math.abs(m))&&Math.abs(u-o)<=glMatrix.EPSILON*Math.max(1,Math.abs(u),Math.abs(o))&&Math.abs(e-c)<=glMatrix.EPSILON*Math.max(1,Math.abs(e),Math.abs(c))},mat2.multiplyScalar=function(t,a,n){return t[0]=a[0]*n,t[1]=a[1]*n,t[2]=a[2]*n,t[3]=a[3]*n,t},mat2.multiplyScalarAndAdd=function(t,a,n,r){return t[0]=a[0]+n[0]*r,t[1]=a[1]+n[1]*r,t[2]=a[2]+n[2]*r,t[3]=a[3]+n[3]*r,t},module.exports=mat2;
+},{"./common.js":145}],147:[function(require,module,exports){
+var glMatrix=require("./common.js"),mat2d={};mat2d.create=function(){var t=new glMatrix.ARRAY_TYPE(6);return t[0]=1,t[1]=0,t[2]=0,t[3]=1,t[4]=0,t[5]=0,t},mat2d.clone=function(t){var a=new glMatrix.ARRAY_TYPE(6);return a[0]=t[0],a[1]=t[1],a[2]=t[2],a[3]=t[3],a[4]=t[4],a[5]=t[5],a},mat2d.copy=function(t,a){return t[0]=a[0],t[1]=a[1],t[2]=a[2],t[3]=a[3],t[4]=a[4],t[5]=a[5],t},mat2d.identity=function(t){return t[0]=1,t[1]=0,t[2]=0,t[3]=1,t[4]=0,t[5]=0,t},mat2d.fromValues=function(t,a,n,r,u,m){var i=new glMatrix.ARRAY_TYPE(6);return i[0]=t,i[1]=a,i[2]=n,i[3]=r,i[4]=u,i[5]=m,i},mat2d.set=function(t,a,n,r,u,m,i){return t[0]=a,t[1]=n,t[2]=r,t[3]=u,t[4]=m,t[5]=i,t},mat2d.invert=function(t,a){var n=a[0],r=a[1],u=a[2],m=a[3],i=a[4],o=a[5],M=n*m-r*u;return M?(M=1/M,t[0]=m*M,t[1]=-r*M,t[2]=-u*M,t[3]=n*M,t[4]=(u*o-m*i)*M,t[5]=(r*i-n*o)*M,t):null},mat2d.determinant=function(t){return t[0]*t[3]-t[1]*t[2]},mat2d.multiply=function(t,a,n){var r=a[0],u=a[1],m=a[2],i=a[3],o=a[4],M=a[5],e=n[0],d=n[1],c=n[2],s=n[3],h=n[4],l=n[5];return t[0]=r*e+m*d,t[1]=u*e+i*d,t[2]=r*c+m*s,t[3]=u*c+i*s,t[4]=r*h+m*l+o,t[5]=u*h+i*l+M,t},mat2d.mul=mat2d.multiply,mat2d.rotate=function(t,a,n){var r=a[0],u=a[1],m=a[2],i=a[3],o=a[4],M=a[5],e=Math.sin(n),d=Math.cos(n);return t[0]=r*d+m*e,t[1]=u*d+i*e,t[2]=r*-e+m*d,t[3]=u*-e+i*d,t[4]=o,t[5]=M,t},mat2d.scale=function(t,a,n){var r=a[0],u=a[1],m=a[2],i=a[3],o=a[4],M=a[5],e=n[0],d=n[1];return t[0]=r*e,t[1]=u*e,t[2]=m*d,t[3]=i*d,t[4]=o,t[5]=M,t},mat2d.translate=function(t,a,n){var r=a[0],u=a[1],m=a[2],i=a[3],o=a[4],M=a[5],e=n[0],d=n[1];return t[0]=r,t[1]=u,t[2]=m,t[3]=i,t[4]=r*e+m*d+o,t[5]=u*e+i*d+M,t},mat2d.fromRotation=function(t,a){var n=Math.sin(a),r=Math.cos(a);return t[0]=r,t[1]=n,t[2]=-n,t[3]=r,t[4]=0,t[5]=0,t},mat2d.fromScaling=function(t,a){return t[0]=a[0],t[1]=0,t[2]=0,t[3]=a[1],t[4]=0,t[5]=0,t},mat2d.fromTranslation=function(t,a){return t[0]=1,t[1]=0,t[2]=0,t[3]=1,t[4]=a[0],t[5]=a[1],t},mat2d.str=function(t){return"mat2d("+t[0]+", "+t[1]+", "+t[2]+", "+t[3]+", "+t[4]+", "+t[5]+")"},mat2d.frob=function(t){return Math.sqrt(Math.pow(t[0],2)+Math.pow(t[1],2)+Math.pow(t[2],2)+Math.pow(t[3],2)+Math.pow(t[4],2)+Math.pow(t[5],2)+1)},mat2d.add=function(t,a,n){return t[0]=a[0]+n[0],t[1]=a[1]+n[1],t[2]=a[2]+n[2],t[3]=a[3]+n[3],t[4]=a[4]+n[4],t[5]=a[5]+n[5],t},mat2d.subtract=function(t,a,n){return t[0]=a[0]-n[0],t[1]=a[1]-n[1],t[2]=a[2]-n[2],t[3]=a[3]-n[3],t[4]=a[4]-n[4],t[5]=a[5]-n[5],t},mat2d.sub=mat2d.subtract,mat2d.multiplyScalar=function(t,a,n){return t[0]=a[0]*n,t[1]=a[1]*n,t[2]=a[2]*n,t[3]=a[3]*n,t[4]=a[4]*n,t[5]=a[5]*n,t},mat2d.multiplyScalarAndAdd=function(t,a,n,r){return t[0]=a[0]+n[0]*r,t[1]=a[1]+n[1]*r,t[2]=a[2]+n[2]*r,t[3]=a[3]+n[3]*r,t[4]=a[4]+n[4]*r,t[5]=a[5]+n[5]*r,t},mat2d.exactEquals=function(t,a){return t[0]===a[0]&&t[1]===a[1]&&t[2]===a[2]&&t[3]===a[3]&&t[4]===a[4]&&t[5]===a[5]},mat2d.equals=function(t,a){var n=t[0],r=t[1],u=t[2],m=t[3],i=t[4],o=t[5],M=a[0],e=a[1],d=a[2],c=a[3],s=a[4],h=a[5];return Math.abs(n-M)<=glMatrix.EPSILON*Math.max(1,Math.abs(n),Math.abs(M))&&Math.abs(r-e)<=glMatrix.EPSILON*Math.max(1,Math.abs(r),Math.abs(e))&&Math.abs(u-d)<=glMatrix.EPSILON*Math.max(1,Math.abs(u),Math.abs(d))&&Math.abs(m-c)<=glMatrix.EPSILON*Math.max(1,Math.abs(m),Math.abs(c))&&Math.abs(i-s)<=glMatrix.EPSILON*Math.max(1,Math.abs(i),Math.abs(s))&&Math.abs(o-h)<=glMatrix.EPSILON*Math.max(1,Math.abs(o),Math.abs(h))},module.exports=mat2d;
+},{"./common.js":145}],148:[function(require,module,exports){
+var glMatrix=require("./common.js"),mat3={};mat3.create=function(){var t=new glMatrix.ARRAY_TYPE(9);return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=1,t[5]=0,t[6]=0,t[7]=0,t[8]=1,t},mat3.fromMat4=function(t,a){return t[0]=a[0],t[1]=a[1],t[2]=a[2],t[3]=a[4],t[4]=a[5],t[5]=a[6],t[6]=a[8],t[7]=a[9],t[8]=a[10],t},mat3.clone=function(t){var a=new glMatrix.ARRAY_TYPE(9);return a[0]=t[0],a[1]=t[1],a[2]=t[2],a[3]=t[3],a[4]=t[4],a[5]=t[5],a[6]=t[6],a[7]=t[7],a[8]=t[8],a},mat3.copy=function(t,a){return t[0]=a[0],t[1]=a[1],t[2]=a[2],t[3]=a[3],t[4]=a[4],t[5]=a[5],t[6]=a[6],t[7]=a[7],t[8]=a[8],t},mat3.fromValues=function(t,a,r,n,u,M,m,o,i){var e=new glMatrix.ARRAY_TYPE(9);return e[0]=t,e[1]=a,e[2]=r,e[3]=n,e[4]=u,e[5]=M,e[6]=m,e[7]=o,e[8]=i,e},mat3.set=function(t,a,r,n,u,M,m,o,i,e){return t[0]=a,t[1]=r,t[2]=n,t[3]=u,t[4]=M,t[5]=m,t[6]=o,t[7]=i,t[8]=e,t},mat3.identity=function(t){return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=1,t[5]=0,t[6]=0,t[7]=0,t[8]=1,t},mat3.transpose=function(t,a){if(t===a){var r=a[1],n=a[2],u=a[5];t[1]=a[3],t[2]=a[6],t[3]=r,t[5]=a[7],t[6]=n,t[7]=u}else t[0]=a[0],t[1]=a[3],t[2]=a[6],t[3]=a[1],t[4]=a[4],t[5]=a[7],t[6]=a[2],t[7]=a[5],t[8]=a[8];return t},mat3.invert=function(t,a){var r=a[0],n=a[1],u=a[2],M=a[3],m=a[4],o=a[5],i=a[6],e=a[7],h=a[8],s=h*m-o*e,c=-h*M+o*i,l=e*M-m*i,f=r*s+n*c+u*l;return f?(f=1/f,t[0]=s*f,t[1]=(-h*n+u*e)*f,t[2]=(o*n-u*m)*f,t[3]=c*f,t[4]=(h*r-u*i)*f,t[5]=(-o*r+u*M)*f,t[6]=l*f,t[7]=(-e*r+n*i)*f,t[8]=(m*r-n*M)*f,t):null},mat3.adjoint=function(t,a){var r=a[0],n=a[1],u=a[2],M=a[3],m=a[4],o=a[5],i=a[6],e=a[7],h=a[8];return t[0]=m*h-o*e,t[1]=u*e-n*h,t[2]=n*o-u*m,t[3]=o*i-M*h,t[4]=r*h-u*i,t[5]=u*M-r*o,t[6]=M*e-m*i,t[7]=n*i-r*e,t[8]=r*m-n*M,t},mat3.determinant=function(t){var a=t[0],r=t[1],n=t[2],u=t[3],M=t[4],m=t[5],o=t[6],i=t[7],e=t[8];return a*(e*M-m*i)+r*(-e*u+m*o)+n*(i*u-M*o)},mat3.multiply=function(t,a,r){var n=a[0],u=a[1],M=a[2],m=a[3],o=a[4],i=a[5],e=a[6],h=a[7],s=a[8],c=r[0],l=r[1],f=r[2],b=r[3],x=r[4],v=r[5],p=r[6],g=r[7],E=r[8];return t[0]=c*n+l*m+f*e,t[1]=c*u+l*o+f*h,t[2]=c*M+l*i+f*s,t[3]=b*n+x*m+v*e,t[4]=b*u+x*o+v*h,t[5]=b*M+x*i+v*s,t[6]=p*n+g*m+E*e,t[7]=p*u+g*o+E*h,t[8]=p*M+g*i+E*s,t},mat3.mul=mat3.multiply,mat3.translate=function(t,a,r){var n=a[0],u=a[1],M=a[2],m=a[3],o=a[4],i=a[5],e=a[6],h=a[7],s=a[8],c=r[0],l=r[1];return t[0]=n,t[1]=u,t[2]=M,t[3]=m,t[4]=o,t[5]=i,t[6]=c*n+l*m+e,t[7]=c*u+l*o+h,t[8]=c*M+l*i+s,t},mat3.rotate=function(t,a,r){var n=a[0],u=a[1],M=a[2],m=a[3],o=a[4],i=a[5],e=a[6],h=a[7],s=a[8],c=Math.sin(r),l=Math.cos(r);return t[0]=l*n+c*m,t[1]=l*u+c*o,t[2]=l*M+c*i,t[3]=l*m-c*n,t[4]=l*o-c*u,t[5]=l*i-c*M,t[6]=e,t[7]=h,t[8]=s,t},mat3.scale=function(t,a,r){var n=r[0],u=r[1];return t[0]=n*a[0],t[1]=n*a[1],t[2]=n*a[2],t[3]=u*a[3],t[4]=u*a[4],t[5]=u*a[5],t[6]=a[6],t[7]=a[7],t[8]=a[8],t},mat3.fromTranslation=function(t,a){return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=1,t[5]=0,t[6]=a[0],t[7]=a[1],t[8]=1,t},mat3.fromRotation=function(t,a){var r=Math.sin(a),n=Math.cos(a);return t[0]=n,t[1]=r,t[2]=0,t[3]=-r,t[4]=n,t[5]=0,t[6]=0,t[7]=0,t[8]=1,t},mat3.fromScaling=function(t,a){return t[0]=a[0],t[1]=0,t[2]=0,t[3]=0,t[4]=a[1],t[5]=0,t[6]=0,t[7]=0,t[8]=1,t},mat3.fromMat2d=function(t,a){return t[0]=a[0],t[1]=a[1],t[2]=0,t[3]=a[2],t[4]=a[3],t[5]=0,t[6]=a[4],t[7]=a[5],t[8]=1,t},mat3.fromQuat=function(t,a){var r=a[0],n=a[1],u=a[2],M=a[3],m=r+r,o=n+n,i=u+u,e=r*m,h=n*m,s=n*o,c=u*m,l=u*o,f=u*i,b=M*m,x=M*o,v=M*i;return t[0]=1-s-f,t[3]=h-v,t[6]=c+x,t[1]=h+v,t[4]=1-e-f,t[7]=l-b,t[2]=c-x,t[5]=l+b,t[8]=1-e-s,t},mat3.normalFromMat4=function(t,a){var r=a[0],n=a[1],u=a[2],M=a[3],m=a[4],o=a[5],i=a[6],e=a[7],h=a[8],s=a[9],c=a[10],l=a[11],f=a[12],b=a[13],x=a[14],v=a[15],p=r*o-n*m,g=r*i-u*m,E=r*e-M*m,w=n*i-u*o,P=n*e-M*o,S=u*e-M*i,d=h*b-s*f,I=h*x-c*f,L=h*v-l*f,N=s*x-c*b,O=s*v-l*b,A=c*v-l*x,R=p*A-g*O+E*N+w*L-P*I+S*d;return R?(R=1/R,t[0]=(o*A-i*O+e*N)*R,t[1]=(i*L-m*A-e*I)*R,t[2]=(m*O-o*L+e*d)*R,t[3]=(u*O-n*A-M*N)*R,t[4]=(r*A-u*L+M*I)*R,t[5]=(n*L-r*O-M*d)*R,t[6]=(b*S-x*P+v*w)*R,t[7]=(x*E-f*S-v*g)*R,t[8]=(f*P-b*E+v*p)*R,t):null},mat3.str=function(t){return"mat3("+t[0]+", "+t[1]+", "+t[2]+", "+t[3]+", "+t[4]+", "+t[5]+", "+t[6]+", "+t[7]+", "+t[8]+")"},mat3.frob=function(t){return Math.sqrt(Math.pow(t[0],2)+Math.pow(t[1],2)+Math.pow(t[2],2)+Math.pow(t[3],2)+Math.pow(t[4],2)+Math.pow(t[5],2)+Math.pow(t[6],2)+Math.pow(t[7],2)+Math.pow(t[8],2))},mat3.add=function(t,a,r){return t[0]=a[0]+r[0],t[1]=a[1]+r[1],t[2]=a[2]+r[2],t[3]=a[3]+r[3],t[4]=a[4]+r[4],t[5]=a[5]+r[5],t[6]=a[6]+r[6],t[7]=a[7]+r[7],t[8]=a[8]+r[8],t},mat3.subtract=function(t,a,r){return t[0]=a[0]-r[0],t[1]=a[1]-r[1],t[2]=a[2]-r[2],t[3]=a[3]-r[3],t[4]=a[4]-r[4],t[5]=a[5]-r[5],t[6]=a[6]-r[6],t[7]=a[7]-r[7],t[8]=a[8]-r[8],t},mat3.sub=mat3.subtract,mat3.multiplyScalar=function(t,a,r){return t[0]=a[0]*r,t[1]=a[1]*r,t[2]=a[2]*r,t[3]=a[3]*r,t[4]=a[4]*r,t[5]=a[5]*r,t[6]=a[6]*r,t[7]=a[7]*r,t[8]=a[8]*r,t},mat3.multiplyScalarAndAdd=function(t,a,r,n){return t[0]=a[0]+r[0]*n,t[1]=a[1]+r[1]*n,t[2]=a[2]+r[2]*n,t[3]=a[3]+r[3]*n,t[4]=a[4]+r[4]*n,t[5]=a[5]+r[5]*n,t[6]=a[6]+r[6]*n,t[7]=a[7]+r[7]*n,t[8]=a[8]+r[8]*n,t},mat3.exactEquals=function(t,a){return t[0]===a[0]&&t[1]===a[1]&&t[2]===a[2]&&t[3]===a[3]&&t[4]===a[4]&&t[5]===a[5]&&t[6]===a[6]&&t[7]===a[7]&&t[8]===a[8]},mat3.equals=function(t,a){var r=t[0],n=t[1],u=t[2],M=t[3],m=t[4],o=t[5],i=t[6],e=t[7],h=t[8],s=a[0],c=a[1],l=a[2],f=a[3],b=a[4],x=a[5],v=t[6],p=a[7],g=a[8];return Math.abs(r-s)<=glMatrix.EPSILON*Math.max(1,Math.abs(r),Math.abs(s))&&Math.abs(n-c)<=glMatrix.EPSILON*Math.max(1,Math.abs(n),Math.abs(c))&&Math.abs(u-l)<=glMatrix.EPSILON*Math.max(1,Math.abs(u),Math.abs(l))&&Math.abs(M-f)<=glMatrix.EPSILON*Math.max(1,Math.abs(M),Math.abs(f))&&Math.abs(m-b)<=glMatrix.EPSILON*Math.max(1,Math.abs(m),Math.abs(b))&&Math.abs(o-x)<=glMatrix.EPSILON*Math.max(1,Math.abs(o),Math.abs(x))&&Math.abs(i-v)<=glMatrix.EPSILON*Math.max(1,Math.abs(i),Math.abs(v))&&Math.abs(e-p)<=glMatrix.EPSILON*Math.max(1,Math.abs(e),Math.abs(p))&&Math.abs(h-g)<=glMatrix.EPSILON*Math.max(1,Math.abs(h),Math.abs(g))},module.exports=mat3;
+},{"./common.js":145}],149:[function(require,module,exports){
+var glMatrix=require("./common.js"),mat4={scalar:{},SIMD:{}};mat4.create=function(){var a=new glMatrix.ARRAY_TYPE(16);return a[0]=1,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=1,a[6]=0,a[7]=0,a[8]=0,a[9]=0,a[10]=1,a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a},mat4.clone=function(a){var t=new glMatrix.ARRAY_TYPE(16);return t[0]=a[0],t[1]=a[1],t[2]=a[2],t[3]=a[3],t[4]=a[4],t[5]=a[5],t[6]=a[6],t[7]=a[7],t[8]=a[8],t[9]=a[9],t[10]=a[10],t[11]=a[11],t[12]=a[12],t[13]=a[13],t[14]=a[14],t[15]=a[15],t},mat4.copy=function(a,t){return a[0]=t[0],a[1]=t[1],a[2]=t[2],a[3]=t[3],a[4]=t[4],a[5]=t[5],a[6]=t[6],a[7]=t[7],a[8]=t[8],a[9]=t[9],a[10]=t[10],a[11]=t[11],a[12]=t[12],a[13]=t[13],a[14]=t[14],a[15]=t[15],a},mat4.fromValues=function(a,t,l,o,M,S,x,I,D,F,r,s,u,e,m,n){var i=new glMatrix.ARRAY_TYPE(16);return i[0]=a,i[1]=t,i[2]=l,i[3]=o,i[4]=M,i[5]=S,i[6]=x,i[7]=I,i[8]=D,i[9]=F,i[10]=r,i[11]=s,i[12]=u,i[13]=e,i[14]=m,i[15]=n,i},mat4.set=function(a,t,l,o,M,S,x,I,D,F,r,s,u,e,m,n,i){return a[0]=t,a[1]=l,a[2]=o,a[3]=M,a[4]=S,a[5]=x,a[6]=I,a[7]=D,a[8]=F,a[9]=r,a[10]=s,a[11]=u,a[12]=e,a[13]=m,a[14]=n,a[15]=i,a},mat4.identity=function(a){return a[0]=1,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=1,a[6]=0,a[7]=0,a[8]=0,a[9]=0,a[10]=1,a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a},mat4.scalar.transpose=function(a,t){if(a===t){var l=t[1],o=t[2],M=t[3],S=t[6],x=t[7],I=t[11];a[1]=t[4],a[2]=t[8],a[3]=t[12],a[4]=l,a[6]=t[9],a[7]=t[13],a[8]=o,a[9]=S,a[11]=t[14],a[12]=M,a[13]=x,a[14]=I}else a[0]=t[0],a[1]=t[4],a[2]=t[8],a[3]=t[12],a[4]=t[1],a[5]=t[5],a[6]=t[9],a[7]=t[13],a[8]=t[2],a[9]=t[6],a[10]=t[10],a[11]=t[14],a[12]=t[3],a[13]=t[7],a[14]=t[11],a[15]=t[15];return a},mat4.SIMD.transpose=function(a,t){var l,o,M,S,x,I,D,F,r,s;return l=SIMD.Float32x4.load(t,0),o=SIMD.Float32x4.load(t,4),M=SIMD.Float32x4.load(t,8),S=SIMD.Float32x4.load(t,12),x=SIMD.Float32x4.shuffle(l,o,0,1,4,5),I=SIMD.Float32x4.shuffle(M,S,0,1,4,5),D=SIMD.Float32x4.shuffle(x,I,0,2,4,6),F=SIMD.Float32x4.shuffle(x,I,1,3,5,7),SIMD.Float32x4.store(a,0,D),SIMD.Float32x4.store(a,4,F),x=SIMD.Float32x4.shuffle(l,o,2,3,6,7),I=SIMD.Float32x4.shuffle(M,S,2,3,6,7),r=SIMD.Float32x4.shuffle(x,I,0,2,4,6),s=SIMD.Float32x4.shuffle(x,I,1,3,5,7),SIMD.Float32x4.store(a,8,r),SIMD.Float32x4.store(a,12,s),a},mat4.transpose=glMatrix.USE_SIMD?mat4.SIMD.transpose:mat4.scalar.transpose,mat4.scalar.invert=function(a,t){var l=t[0],o=t[1],M=t[2],S=t[3],x=t[4],I=t[5],D=t[6],F=t[7],r=t[8],s=t[9],u=t[10],e=t[11],m=t[12],n=t[13],i=t[14],h=t[15],d=l*I-o*x,z=l*D-M*x,f=l*F-S*x,c=o*D-M*I,b=o*F-S*I,w=M*F-S*D,v=r*n-s*m,p=r*i-u*m,g=r*h-e*m,E=s*i-u*n,P=s*h-e*n,O=u*h-e*i,L=d*O-z*P+f*E+c*g-b*p+w*v;return L?(L=1/L,a[0]=(I*O-D*P+F*E)*L,a[1]=(M*P-o*O-S*E)*L,a[2]=(n*w-i*b+h*c)*L,a[3]=(u*b-s*w-e*c)*L,a[4]=(D*g-x*O-F*p)*L,a[5]=(l*O-M*g+S*p)*L,a[6]=(i*f-m*w-h*z)*L,a[7]=(r*w-u*f+e*z)*L,a[8]=(x*P-I*g+F*v)*L,a[9]=(o*g-l*P-S*v)*L,a[10]=(m*b-n*f+h*d)*L,a[11]=(s*f-r*b-e*d)*L,a[12]=(I*p-x*E-D*v)*L,a[13]=(l*E-o*p+M*v)*L,a[14]=(n*z-m*c-i*d)*L,a[15]=(r*c-s*z+u*d)*L,a):null},mat4.SIMD.invert=function(a,t){var l,o,M,S,x,I,D,F,r,s,u=SIMD.Float32x4.load(t,0),e=SIMD.Float32x4.load(t,4),m=SIMD.Float32x4.load(t,8),n=SIMD.Float32x4.load(t,12);return x=SIMD.Float32x4.shuffle(u,e,0,1,4,5),o=SIMD.Float32x4.shuffle(m,n,0,1,4,5),l=SIMD.Float32x4.shuffle(x,o,0,2,4,6),o=SIMD.Float32x4.shuffle(o,x,1,3,5,7),x=SIMD.Float32x4.shuffle(u,e,2,3,6,7),S=SIMD.Float32x4.shuffle(m,n,2,3,6,7),M=SIMD.Float32x4.shuffle(x,S,0,2,4,6),S=SIMD.Float32x4.shuffle(S,x,1,3,5,7),x=SIMD.Float32x4.mul(M,S),x=SIMD.Float32x4.swizzle(x,1,0,3,2),I=SIMD.Float32x4.mul(o,x),D=SIMD.Float32x4.mul(l,x),x=SIMD.Float32x4.swizzle(x,2,3,0,1),I=SIMD.Float32x4.sub(SIMD.Float32x4.mul(o,x),I),D=SIMD.Float32x4.sub(SIMD.Float32x4.mul(l,x),D),D=SIMD.Float32x4.swizzle(D,2,3,0,1),x=SIMD.Float32x4.mul(o,M),x=SIMD.Float32x4.swizzle(x,1,0,3,2),I=SIMD.Float32x4.add(SIMD.Float32x4.mul(S,x),I),r=SIMD.Float32x4.mul(l,x),x=SIMD.Float32x4.swizzle(x,2,3,0,1),I=SIMD.Float32x4.sub(I,SIMD.Float32x4.mul(S,x)),r=SIMD.Float32x4.sub(SIMD.Float32x4.mul(l,x),r),r=SIMD.Float32x4.swizzle(r,2,3,0,1),x=SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(o,2,3,0,1),S),x=SIMD.Float32x4.swizzle(x,1,0,3,2),M=SIMD.Float32x4.swizzle(M,2,3,0,1),I=SIMD.Float32x4.add(SIMD.Float32x4.mul(M,x),I),F=SIMD.Float32x4.mul(l,x),x=SIMD.Float32x4.swizzle(x,2,3,0,1),I=SIMD.Float32x4.sub(I,SIMD.Float32x4.mul(M,x)),F=SIMD.Float32x4.sub(SIMD.Float32x4.mul(l,x),F),F=SIMD.Float32x4.swizzle(F,2,3,0,1),x=SIMD.Float32x4.mul(l,o),x=SIMD.Float32x4.swizzle(x,1,0,3,2),F=SIMD.Float32x4.add(SIMD.Float32x4.mul(S,x),F),r=SIMD.Float32x4.sub(SIMD.Float32x4.mul(M,x),r),x=SIMD.Float32x4.swizzle(x,2,3,0,1),F=SIMD.Float32x4.sub(SIMD.Float32x4.mul(S,x),F),r=SIMD.Float32x4.sub(r,SIMD.Float32x4.mul(M,x)),x=SIMD.Float32x4.mul(l,S),x=SIMD.Float32x4.swizzle(x,1,0,3,2),D=SIMD.Float32x4.sub(D,SIMD.Float32x4.mul(M,x)),F=SIMD.Float32x4.add(SIMD.Float32x4.mul(o,x),F),x=SIMD.Float32x4.swizzle(x,2,3,0,1),D=SIMD.Float32x4.add(SIMD.Float32x4.mul(M,x),D),F=SIMD.Float32x4.sub(F,SIMD.Float32x4.mul(o,x)),x=SIMD.Float32x4.mul(l,M),x=SIMD.Float32x4.swizzle(x,1,0,3,2),D=SIMD.Float32x4.add(SIMD.Float32x4.mul(S,x),D),r=SIMD.Float32x4.sub(r,SIMD.Float32x4.mul(o,x)),x=SIMD.Float32x4.swizzle(x,2,3,0,1),D=SIMD.Float32x4.sub(D,SIMD.Float32x4.mul(S,x)),r=SIMD.Float32x4.add(SIMD.Float32x4.mul(o,x),r),s=SIMD.Float32x4.mul(l,I),s=SIMD.Float32x4.add(SIMD.Float32x4.swizzle(s,2,3,0,1),s),s=SIMD.Float32x4.add(SIMD.Float32x4.swizzle(s,1,0,3,2),s),x=SIMD.Float32x4.reciprocalApproximation(s),s=SIMD.Float32x4.sub(SIMD.Float32x4.add(x,x),SIMD.Float32x4.mul(s,SIMD.Float32x4.mul(x,x))),(s=SIMD.Float32x4.swizzle(s,0,0,0,0))?(SIMD.Float32x4.store(a,0,SIMD.Float32x4.mul(s,I)),SIMD.Float32x4.store(a,4,SIMD.Float32x4.mul(s,D)),SIMD.Float32x4.store(a,8,SIMD.Float32x4.mul(s,F)),SIMD.Float32x4.store(a,12,SIMD.Float32x4.mul(s,r)),a):null},mat4.invert=glMatrix.USE_SIMD?mat4.SIMD.invert:mat4.scalar.invert,mat4.scalar.adjoint=function(a,t){var l=t[0],o=t[1],M=t[2],S=t[3],x=t[4],I=t[5],D=t[6],F=t[7],r=t[8],s=t[9],u=t[10],e=t[11],m=t[12],n=t[13],i=t[14],h=t[15];return a[0]=I*(u*h-e*i)-s*(D*h-F*i)+n*(D*e-F*u),a[1]=-(o*(u*h-e*i)-s*(M*h-S*i)+n*(M*e-S*u)),a[2]=o*(D*h-F*i)-I*(M*h-S*i)+n*(M*F-S*D),a[3]=-(o*(D*e-F*u)-I*(M*e-S*u)+s*(M*F-S*D)),a[4]=-(x*(u*h-e*i)-r*(D*h-F*i)+m*(D*e-F*u)),a[5]=l*(u*h-e*i)-r*(M*h-S*i)+m*(M*e-S*u),a[6]=-(l*(D*h-F*i)-x*(M*h-S*i)+m*(M*F-S*D)),a[7]=l*(D*e-F*u)-x*(M*e-S*u)+r*(M*F-S*D),a[8]=x*(s*h-e*n)-r*(I*h-F*n)+m*(I*e-F*s),a[9]=-(l*(s*h-e*n)-r*(o*h-S*n)+m*(o*e-S*s)),a[10]=l*(I*h-F*n)-x*(o*h-S*n)+m*(o*F-S*I),a[11]=-(l*(I*e-F*s)-x*(o*e-S*s)+r*(o*F-S*I)),a[12]=-(x*(s*i-u*n)-r*(I*i-D*n)+m*(I*u-D*s)),a[13]=l*(s*i-u*n)-r*(o*i-M*n)+m*(o*u-M*s),a[14]=-(l*(I*i-D*n)-x*(o*i-M*n)+m*(o*D-M*I)),a[15]=l*(I*u-D*s)-x*(o*u-M*s)+r*(o*D-M*I),a},mat4.SIMD.adjoint=function(a,t){var l,o,M,S,x,I,D,F,r,s,u,e,m,l=SIMD.Float32x4.load(t,0),o=SIMD.Float32x4.load(t,4),M=SIMD.Float32x4.load(t,8),S=SIMD.Float32x4.load(t,12);return r=SIMD.Float32x4.shuffle(l,o,0,1,4,5),I=SIMD.Float32x4.shuffle(M,S,0,1,4,5),x=SIMD.Float32x4.shuffle(r,I,0,2,4,6),I=SIMD.Float32x4.shuffle(I,r,1,3,5,7),r=SIMD.Float32x4.shuffle(l,o,2,3,6,7),F=SIMD.Float32x4.shuffle(M,S,2,3,6,7),D=SIMD.Float32x4.shuffle(r,F,0,2,4,6),F=SIMD.Float32x4.shuffle(F,r,1,3,5,7),r=SIMD.Float32x4.mul(D,F),r=SIMD.Float32x4.swizzle(r,1,0,3,2),s=SIMD.Float32x4.mul(I,r),u=SIMD.Float32x4.mul(x,r),r=SIMD.Float32x4.swizzle(r,2,3,0,1),s=SIMD.Float32x4.sub(SIMD.Float32x4.mul(I,r),s),u=SIMD.Float32x4.sub(SIMD.Float32x4.mul(x,r),u),u=SIMD.Float32x4.swizzle(u,2,3,0,1),r=SIMD.Float32x4.mul(I,D),r=SIMD.Float32x4.swizzle(r,1,0,3,2),s=SIMD.Float32x4.add(SIMD.Float32x4.mul(F,r),s),m=SIMD.Float32x4.mul(x,r),r=SIMD.Float32x4.swizzle(r,2,3,0,1),s=SIMD.Float32x4.sub(s,SIMD.Float32x4.mul(F,r)),m=SIMD.Float32x4.sub(SIMD.Float32x4.mul(x,r),m),m=SIMD.Float32x4.swizzle(m,2,3,0,1),r=SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(I,2,3,0,1),F),r=SIMD.Float32x4.swizzle(r,1,0,3,2),D=SIMD.Float32x4.swizzle(D,2,3,0,1),s=SIMD.Float32x4.add(SIMD.Float32x4.mul(D,r),s),e=SIMD.Float32x4.mul(x,r),r=SIMD.Float32x4.swizzle(r,2,3,0,1),s=SIMD.Float32x4.sub(s,SIMD.Float32x4.mul(D,r)),e=SIMD.Float32x4.sub(SIMD.Float32x4.mul(x,r),e),e=SIMD.Float32x4.swizzle(e,2,3,0,1),r=SIMD.Float32x4.mul(x,I),r=SIMD.Float32x4.swizzle(r,1,0,3,2),e=SIMD.Float32x4.add(SIMD.Float32x4.mul(F,r),e),m=SIMD.Float32x4.sub(SIMD.Float32x4.mul(D,r),m),r=SIMD.Float32x4.swizzle(r,2,3,0,1),e=SIMD.Float32x4.sub(SIMD.Float32x4.mul(F,r),e),m=SIMD.Float32x4.sub(m,SIMD.Float32x4.mul(D,r)),r=SIMD.Float32x4.mul(x,F),r=SIMD.Float32x4.swizzle(r,1,0,3,2),u=SIMD.Float32x4.sub(u,SIMD.Float32x4.mul(D,r)),e=SIMD.Float32x4.add(SIMD.Float32x4.mul(I,r),e),r=SIMD.Float32x4.swizzle(r,2,3,0,1),u=SIMD.Float32x4.add(SIMD.Float32x4.mul(D,r),u),e=SIMD.Float32x4.sub(e,SIMD.Float32x4.mul(I,r)),r=SIMD.Float32x4.mul(x,D),r=SIMD.Float32x4.swizzle(r,1,0,3,2),u=SIMD.Float32x4.add(SIMD.Float32x4.mul(F,r),u),m=SIMD.Float32x4.sub(m,SIMD.Float32x4.mul(I,r)),r=SIMD.Float32x4.swizzle(r,2,3,0,1),u=SIMD.Float32x4.sub(u,SIMD.Float32x4.mul(F,r)),m=SIMD.Float32x4.add(SIMD.Float32x4.mul(I,r),m),SIMD.Float32x4.store(a,0,s),SIMD.Float32x4.store(a,4,u),SIMD.Float32x4.store(a,8,e),SIMD.Float32x4.store(a,12,m),a},mat4.adjoint=glMatrix.USE_SIMD?mat4.SIMD.adjoint:mat4.scalar.adjoint,mat4.determinant=function(a){var t=a[0],l=a[1],o=a[2],M=a[3],S=a[4],x=a[5],I=a[6],D=a[7],F=a[8],r=a[9],s=a[10],u=a[11],e=a[12],m=a[13],n=a[14],i=a[15],h=t*x-l*S,d=t*I-o*S,z=t*D-M*S,f=l*I-o*x,c=l*D-M*x,b=o*D-M*I,w=F*m-r*e,v=F*n-s*e,p=F*i-u*e,g=r*n-s*m,E=r*i-u*m,P=s*i-u*n;return h*P-d*E+z*g+f*p-c*v+b*w},mat4.SIMD.multiply=function(a,t,l){var o=SIMD.Float32x4.load(t,0),M=SIMD.Float32x4.load(t,4),S=SIMD.Float32x4.load(t,8),x=SIMD.Float32x4.load(t,12),I=SIMD.Float32x4.load(l,0),D=SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(I,0,0,0,0),o),SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(I,1,1,1,1),M),SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(I,2,2,2,2),S),SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(I,3,3,3,3),x))));SIMD.Float32x4.store(a,0,D);var F=SIMD.Float32x4.load(l,4),r=SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(F,0,0,0,0),o),SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(F,1,1,1,1),M),SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(F,2,2,2,2),S),SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(F,3,3,3,3),x))));SIMD.Float32x4.store(a,4,r);var s=SIMD.Float32x4.load(l,8),u=SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(s,0,0,0,0),o),SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(s,1,1,1,1),M),SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(s,2,2,2,2),S),SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(s,3,3,3,3),x))));SIMD.Float32x4.store(a,8,u);var e=SIMD.Float32x4.load(l,12),m=SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(e,0,0,0,0),o),SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(e,1,1,1,1),M),SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(e,2,2,2,2),S),SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(e,3,3,3,3),x))));return SIMD.Float32x4.store(a,12,m),a},mat4.scalar.multiply=function(a,t,l){var o=t[0],M=t[1],S=t[2],x=t[3],I=t[4],D=t[5],F=t[6],r=t[7],s=t[8],u=t[9],e=t[10],m=t[11],n=t[12],i=t[13],h=t[14],d=t[15],z=l[0],f=l[1],c=l[2],b=l[3];return a[0]=z*o+f*I+c*s+b*n,a[1]=z*M+f*D+c*u+b*i,a[2]=z*S+f*F+c*e+b*h,a[3]=z*x+f*r+c*m+b*d,z=l[4],f=l[5],c=l[6],b=l[7],a[4]=z*o+f*I+c*s+b*n,a[5]=z*M+f*D+c*u+b*i,a[6]=z*S+f*F+c*e+b*h,a[7]=z*x+f*r+c*m+b*d,z=l[8],f=l[9],c=l[10],b=l[11],a[8]=z*o+f*I+c*s+b*n,a[9]=z*M+f*D+c*u+b*i,a[10]=z*S+f*F+c*e+b*h,a[11]=z*x+f*r+c*m+b*d,z=l[12],f=l[13],c=l[14],b=l[15],a[12]=z*o+f*I+c*s+b*n,a[13]=z*M+f*D+c*u+b*i,a[14]=z*S+f*F+c*e+b*h,a[15]=z*x+f*r+c*m+b*d,a},mat4.multiply=glMatrix.USE_SIMD?mat4.SIMD.multiply:mat4.scalar.multiply,mat4.mul=mat4.multiply,mat4.scalar.translate=function(a,t,l){var o,M,S,x,I,D,F,r,s,u,e,m,n=l[0],i=l[1],h=l[2];return t===a?(a[12]=t[0]*n+t[4]*i+t[8]*h+t[12],a[13]=t[1]*n+t[5]*i+t[9]*h+t[13],a[14]=t[2]*n+t[6]*i+t[10]*h+t[14],a[15]=t[3]*n+t[7]*i+t[11]*h+t[15]):(o=t[0],M=t[1],S=t[2],x=t[3],I=t[4],D=t[5],F=t[6],r=t[7],s=t[8],u=t[9],e=t[10],m=t[11],a[0]=o,a[1]=M,a[2]=S,a[3]=x,a[4]=I,a[5]=D,a[6]=F,a[7]=r,a[8]=s,a[9]=u,a[10]=e,a[11]=m,a[12]=o*n+I*i+s*h+t[12],a[13]=M*n+D*i+u*h+t[13],a[14]=S*n+F*i+e*h+t[14],a[15]=x*n+r*i+m*h+t[15]),a},mat4.SIMD.translate=function(a,t,l){var o=SIMD.Float32x4.load(t,0),M=SIMD.Float32x4.load(t,4),S=SIMD.Float32x4.load(t,8),x=SIMD.Float32x4.load(t,12),I=SIMD.Float32x4(l[0],l[1],l[2],0);t!==a&&(a[0]=t[0],a[1]=t[1],a[2]=t[2],a[3]=t[3],a[4]=t[4],a[5]=t[5],a[6]=t[6],a[7]=t[7],a[8]=t[8],a[9]=t[9],a[10]=t[10],a[11]=t[11]),o=SIMD.Float32x4.mul(o,SIMD.Float32x4.swizzle(I,0,0,0,0)),M=SIMD.Float32x4.mul(M,SIMD.Float32x4.swizzle(I,1,1,1,1)),S=SIMD.Float32x4.mul(S,SIMD.Float32x4.swizzle(I,2,2,2,2));var D=SIMD.Float32x4.add(o,SIMD.Float32x4.add(M,SIMD.Float32x4.add(S,x)));return SIMD.Float32x4.store(a,12,D),a},mat4.translate=glMatrix.USE_SIMD?mat4.SIMD.translate:mat4.scalar.translate,mat4.scalar.scale=function(a,t,l){var o=l[0],M=l[1],S=l[2];return a[0]=t[0]*o,a[1]=t[1]*o,a[2]=t[2]*o,a[3]=t[3]*o,a[4]=t[4]*M,a[5]=t[5]*M,a[6]=t[6]*M,a[7]=t[7]*M,a[8]=t[8]*S,a[9]=t[9]*S,a[10]=t[10]*S,a[11]=t[11]*S,a[12]=t[12],a[13]=t[13],a[14]=t[14],a[15]=t[15],a},mat4.SIMD.scale=function(a,t,l){var o,M,S,x=SIMD.Float32x4(l[0],l[1],l[2],0);return o=SIMD.Float32x4.load(t,0),SIMD.Float32x4.store(a,0,SIMD.Float32x4.mul(o,SIMD.Float32x4.swizzle(x,0,0,0,0))),M=SIMD.Float32x4.load(t,4),SIMD.Float32x4.store(a,4,SIMD.Float32x4.mul(M,SIMD.Float32x4.swizzle(x,1,1,1,1))),S=SIMD.Float32x4.load(t,8),SIMD.Float32x4.store(a,8,SIMD.Float32x4.mul(S,SIMD.Float32x4.swizzle(x,2,2,2,2))),a[12]=t[12],a[13]=t[13],a[14]=t[14],a[15]=t[15],a},mat4.scale=glMatrix.USE_SIMD?mat4.SIMD.scale:mat4.scalar.scale,mat4.rotate=function(a,t,l,o){var M,S,x,I,D,F,r,s,u,e,m,n,i,h,d,z,f,c,b,w,v,p,g,E,P=o[0],O=o[1],L=o[2],N=Math.sqrt(P*P+O*O+L*L);return Math.abs(N)<glMatrix.EPSILON?null:(N=1/N,P*=N,O*=N,L*=N,M=Math.sin(l),S=Math.cos(l),x=1-S,I=t[0],D=t[1],F=t[2],r=t[3],s=t[4],u=t[5],e=t[6],m=t[7],n=t[8],i=t[9],h=t[10],d=t[11],z=P*P*x+S,f=O*P*x+L*M,c=L*P*x-O*M,b=P*O*x-L*M,w=O*O*x+S,v=L*O*x+P*M,p=P*L*x+O*M,g=O*L*x-P*M,E=L*L*x+S,a[0]=I*z+s*f+n*c,a[1]=D*z+u*f+i*c,a[2]=F*z+e*f+h*c,a[3]=r*z+m*f+d*c,a[4]=I*b+s*w+n*v,a[5]=D*b+u*w+i*v,a[6]=F*b+e*w+h*v,a[7]=r*b+m*w+d*v,a[8]=I*p+s*g+n*E,a[9]=D*p+u*g+i*E,a[10]=F*p+e*g+h*E,a[11]=r*p+m*g+d*E,t!==a&&(a[12]=t[12],a[13]=t[13],a[14]=t[14],a[15]=t[15]),a)},mat4.scalar.rotateX=function(a,t,l){var o=Math.sin(l),M=Math.cos(l),S=t[4],x=t[5],I=t[6],D=t[7],F=t[8],r=t[9],s=t[10],u=t[11];return t!==a&&(a[0]=t[0],a[1]=t[1],a[2]=t[2],a[3]=t[3],a[12]=t[12],a[13]=t[13],a[14]=t[14],a[15]=t[15]),a[4]=S*M+F*o,a[5]=x*M+r*o,a[6]=I*M+s*o,a[7]=D*M+u*o,a[8]=F*M-S*o,a[9]=r*M-x*o,a[10]=s*M-I*o,a[11]=u*M-D*o,a},mat4.SIMD.rotateX=function(a,t,l){var o=SIMD.Float32x4.splat(Math.sin(l)),M=SIMD.Float32x4.splat(Math.cos(l));t!==a&&(a[0]=t[0],a[1]=t[1],a[2]=t[2],a[3]=t[3],a[12]=t[12],a[13]=t[13],a[14]=t[14],a[15]=t[15]);var S=SIMD.Float32x4.load(t,4),x=SIMD.Float32x4.load(t,8);return SIMD.Float32x4.store(a,4,SIMD.Float32x4.add(SIMD.Float32x4.mul(S,M),SIMD.Float32x4.mul(x,o))),SIMD.Float32x4.store(a,8,SIMD.Float32x4.sub(SIMD.Float32x4.mul(x,M),SIMD.Float32x4.mul(S,o))),a},mat4.rotateX=glMatrix.USE_SIMD?mat4.SIMD.rotateX:mat4.scalar.rotateX,mat4.scalar.rotateY=function(a,t,l){var o=Math.sin(l),M=Math.cos(l),S=t[0],x=t[1],I=t[2],D=t[3],F=t[8],r=t[9],s=t[10],u=t[11];return t!==a&&(a[4]=t[4],a[5]=t[5],a[6]=t[6],a[7]=t[7],a[12]=t[12],a[13]=t[13],a[14]=t[14],a[15]=t[15]),a[0]=S*M-F*o,a[1]=x*M-r*o,a[2]=I*M-s*o,a[3]=D*M-u*o,a[8]=S*o+F*M,a[9]=x*o+r*M,a[10]=I*o+s*M,a[11]=D*o+u*M,a},mat4.SIMD.rotateY=function(a,t,l){var o=SIMD.Float32x4.splat(Math.sin(l)),M=SIMD.Float32x4.splat(Math.cos(l));t!==a&&(a[4]=t[4],a[5]=t[5],a[6]=t[6],a[7]=t[7],a[12]=t[12],a[13]=t[13],a[14]=t[14],a[15]=t[15]);var S=SIMD.Float32x4.load(t,0),x=SIMD.Float32x4.load(t,8);return SIMD.Float32x4.store(a,0,SIMD.Float32x4.sub(SIMD.Float32x4.mul(S,M),SIMD.Float32x4.mul(x,o))),SIMD.Float32x4.store(a,8,SIMD.Float32x4.add(SIMD.Float32x4.mul(S,o),SIMD.Float32x4.mul(x,M))),a},mat4.rotateY=glMatrix.USE_SIMD?mat4.SIMD.rotateY:mat4.scalar.rotateY,mat4.scalar.rotateZ=function(a,t,l){var o=Math.sin(l),M=Math.cos(l),S=t[0],x=t[1],I=t[2],D=t[3],F=t[4],r=t[5],s=t[6],u=t[7];return t!==a&&(a[8]=t[8],a[9]=t[9],a[10]=t[10],a[11]=t[11],a[12]=t[12],a[13]=t[13],a[14]=t[14],a[15]=t[15]),a[0]=S*M+F*o,a[1]=x*M+r*o,a[2]=I*M+s*o,a[3]=D*M+u*o,a[4]=F*M-S*o,a[5]=r*M-x*o,a[6]=s*M-I*o,a[7]=u*M-D*o,a},mat4.SIMD.rotateZ=function(a,t,l){var o=SIMD.Float32x4.splat(Math.sin(l)),M=SIMD.Float32x4.splat(Math.cos(l));t!==a&&(a[8]=t[8],a[9]=t[9],a[10]=t[10],a[11]=t[11],a[12]=t[12],a[13]=t[13],a[14]=t[14],a[15]=t[15]);var S=SIMD.Float32x4.load(t,0),x=SIMD.Float32x4.load(t,4);return SIMD.Float32x4.store(a,0,SIMD.Float32x4.add(SIMD.Float32x4.mul(S,M),SIMD.Float32x4.mul(x,o))),SIMD.Float32x4.store(a,4,SIMD.Float32x4.sub(SIMD.Float32x4.mul(x,M),SIMD.Float32x4.mul(S,o))),a},mat4.rotateZ=glMatrix.USE_SIMD?mat4.SIMD.rotateZ:mat4.scalar.rotateZ,mat4.fromTranslation=function(a,t){return a[0]=1,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=1,a[6]=0,a[7]=0,a[8]=0,a[9]=0,a[10]=1,a[11]=0,a[12]=t[0],a[13]=t[1],a[14]=t[2],a[15]=1,a},mat4.fromScaling=function(a,t){return a[0]=t[0],a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=t[1],a[6]=0,a[7]=0,a[8]=0,a[9]=0,a[10]=t[2],a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a},mat4.fromRotation=function(a,t,l){var o,M,S,x=l[0],I=l[1],D=l[2],F=Math.sqrt(x*x+I*I+D*D);return Math.abs(F)<glMatrix.EPSILON?null:(F=1/F,x*=F,I*=F,D*=F,o=Math.sin(t),M=Math.cos(t),S=1-M,a[0]=x*x*S+M,a[1]=I*x*S+D*o,a[2]=D*x*S-I*o,a[3]=0,a[4]=x*I*S-D*o,a[5]=I*I*S+M,a[6]=D*I*S+x*o,a[7]=0,a[8]=x*D*S+I*o,a[9]=I*D*S-x*o,a[10]=D*D*S+M,a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a)},mat4.fromXRotation=function(a,t){var l=Math.sin(t),o=Math.cos(t);return a[0]=1,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=o,a[6]=l,a[7]=0,a[8]=0,a[9]=-l,a[10]=o,a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a},mat4.fromYRotation=function(a,t){var l=Math.sin(t),o=Math.cos(t);return a[0]=o,a[1]=0,a[2]=-l,a[3]=0,a[4]=0,a[5]=1,a[6]=0,a[7]=0,a[8]=l,a[9]=0,a[10]=o,a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a},mat4.fromZRotation=function(a,t){var l=Math.sin(t),o=Math.cos(t);return a[0]=o,a[1]=l,a[2]=0,a[3]=0,a[4]=-l,a[5]=o,a[6]=0,a[7]=0,a[8]=0,a[9]=0,a[10]=1,a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a},mat4.fromRotationTranslation=function(a,t,l){var o=t[0],M=t[1],S=t[2],x=t[3],I=o+o,D=M+M,F=S+S,r=o*I,s=o*D,u=o*F,e=M*D,m=M*F,n=S*F,i=x*I,h=x*D,d=x*F;return a[0]=1-(e+n),a[1]=s+d,a[2]=u-h,a[3]=0,a[4]=s-d,a[5]=1-(r+n),a[6]=m+i,a[7]=0,a[8]=u+h,a[9]=m-i,a[10]=1-(r+e),a[11]=0,a[12]=l[0],a[13]=l[1],a[14]=l[2],a[15]=1,a},mat4.getTranslation=function(a,t){return a[0]=t[12],a[1]=t[13],a[2]=t[14],a},mat4.getRotation=function(a,t){var l=t[0]+t[5]+t[10],o=0;return l>0?(o=2*Math.sqrt(l+1),a[3]=.25*o,a[0]=(t[6]-t[9])/o,a[1]=(t[8]-t[2])/o,a[2]=(t[1]-t[4])/o):t[0]>t[5]&t[0]>t[10]?(o=2*Math.sqrt(1+t[0]-t[5]-t[10]),a[3]=(t[6]-t[9])/o,a[0]=.25*o,a[1]=(t[1]+t[4])/o,a[2]=(t[8]+t[2])/o):t[5]>t[10]?(o=2*Math.sqrt(1+t[5]-t[0]-t[10]),a[3]=(t[8]-t[2])/o,a[0]=(t[1]+t[4])/o,a[1]=.25*o,a[2]=(t[6]+t[9])/o):(o=2*Math.sqrt(1+t[10]-t[0]-t[5]),a[3]=(t[1]-t[4])/o,a[0]=(t[8]+t[2])/o,a[1]=(t[6]+t[9])/o,a[2]=.25*o),a},mat4.fromRotationTranslationScale=function(a,t,l,o){var M=t[0],S=t[1],x=t[2],I=t[3],D=M+M,F=S+S,r=x+x,s=M*D,u=M*F,e=M*r,m=S*F,n=S*r,i=x*r,h=I*D,d=I*F,z=I*r,f=o[0],c=o[1],b=o[2];return a[0]=(1-(m+i))*f,a[1]=(u+z)*f,a[2]=(e-d)*f,a[3]=0,a[4]=(u-z)*c,a[5]=(1-(s+i))*c,a[6]=(n+h)*c,a[7]=0,a[8]=(e+d)*b,a[9]=(n-h)*b,a[10]=(1-(s+m))*b,a[11]=0,a[12]=l[0],a[13]=l[1],a[14]=l[2],a[15]=1,a},mat4.fromRotationTranslationScaleOrigin=function(a,t,l,o,M){var S=t[0],x=t[1],I=t[2],D=t[3],F=S+S,r=x+x,s=I+I,u=S*F,e=S*r,m=S*s,n=x*r,i=x*s,h=I*s,d=D*F,z=D*r,f=D*s,c=o[0],b=o[1],w=o[2],v=M[0],p=M[1],g=M[2];return a[0]=(1-(n+h))*c,a[1]=(e+f)*c,a[2]=(m-z)*c,a[3]=0,a[4]=(e-f)*b,a[5]=(1-(u+h))*b,a[6]=(i+d)*b,a[7]=0,a[8]=(m+z)*w,a[9]=(i-d)*w,a[10]=(1-(u+n))*w,a[11]=0,a[12]=l[0]+v-(a[0]*v+a[4]*p+a[8]*g),a[13]=l[1]+p-(a[1]*v+a[5]*p+a[9]*g),a[14]=l[2]+g-(a[2]*v+a[6]*p+a[10]*g),a[15]=1,a},mat4.fromQuat=function(a,t){var l=t[0],o=t[1],M=t[2],S=t[3],x=l+l,I=o+o,D=M+M,F=l*x,r=o*x,s=o*I,u=M*x,e=M*I,m=M*D,n=S*x,i=S*I,h=S*D;return a[0]=1-s-m,a[1]=r+h,a[2]=u-i,a[3]=0,a[4]=r-h,a[5]=1-F-m,a[6]=e+n,a[7]=0,a[8]=u+i,a[9]=e-n,a[10]=1-F-s,a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a},mat4.frustum=function(a,t,l,o,M,S,x){var I=1/(l-t),D=1/(M-o),F=1/(S-x);return a[0]=2*S*I,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=2*S*D,a[6]=0,a[7]=0,a[8]=(l+t)*I,a[9]=(M+o)*D,a[10]=(x+S)*F,a[11]=-1,a[12]=0,a[13]=0,a[14]=x*S*2*F,a[15]=0,a},mat4.perspective=function(a,t,l,o,M){var S=1/Math.tan(t/2),x=1/(o-M);return a[0]=S/l,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=S,a[6]=0,a[7]=0,a[8]=0,a[9]=0,a[10]=(M+o)*x,a[11]=-1,a[12]=0,a[13]=0,a[14]=2*M*o*x,a[15]=0,a},mat4.perspectiveFromFieldOfView=function(a,t,l,o){var M=Math.tan(t.upDegrees*Math.PI/180),S=Math.tan(t.downDegrees*Math.PI/180),x=Math.tan(t.leftDegrees*Math.PI/180),I=Math.tan(t.rightDegrees*Math.PI/180),D=2/(x+I),F=2/(M+S);return a[0]=D,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=F,a[6]=0,a[7]=0,a[8]=-((x-I)*D*.5),a[9]=(M-S)*F*.5,a[10]=o/(l-o),a[11]=-1,a[12]=0,a[13]=0,a[14]=o*l/(l-o),a[15]=0,a},mat4.ortho=function(a,t,l,o,M,S,x){var I=1/(t-l),D=1/(o-M),F=1/(S-x);return a[0]=-2*I,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=-2*D,a[6]=0,a[7]=0,a[8]=0,a[9]=0,a[10]=2*F,a[11]=0,a[12]=(t+l)*I,a[13]=(M+o)*D,a[14]=(x+S)*F,a[15]=1,a},mat4.lookAt=function(a,t,l,o){var M,S,x,I,D,F,r,s,u,e,m=t[0],n=t[1],i=t[2],h=o[0],d=o[1],z=o[2],f=l[0],c=l[1],b=l[2];return Math.abs(m-f)<glMatrix.EPSILON&&Math.abs(n-c)<glMatrix.EPSILON&&Math.abs(i-b)<glMatrix.EPSILON?mat4.identity(a):(r=m-f,s=n-c,u=i-b,e=1/Math.sqrt(r*r+s*s+u*u),r*=e,s*=e,u*=e,M=d*u-z*s,S=z*r-h*u,x=h*s-d*r,e=Math.sqrt(M*M+S*S+x*x),e?(e=1/e,M*=e,S*=e,x*=e):(M=0,S=0,x=0),I=s*x-u*S,D=u*M-r*x,F=r*S-s*M,e=Math.sqrt(I*I+D*D+F*F),e?(e=1/e,I*=e,D*=e,F*=e):(I=0,D=0,F=0),a[0]=M,a[1]=I,a[2]=r,a[3]=0,a[4]=S,a[5]=D,a[6]=s,a[7]=0,a[8]=x,a[9]=F,a[10]=u,a[11]=0,a[12]=-(M*m+S*n+x*i),a[13]=-(I*m+D*n+F*i),a[14]=-(r*m+s*n+u*i),a[15]=1,a)},mat4.str=function(a){return"mat4("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+", "+a[4]+", "+a[5]+", "+a[6]+", "+a[7]+", "+a[8]+", "+a[9]+", "+a[10]+", "+a[11]+", "+a[12]+", "+a[13]+", "+a[14]+", "+a[15]+")"},mat4.frob=function(a){return Math.sqrt(Math.pow(a[0],2)+Math.pow(a[1],2)+Math.pow(a[2],2)+Math.pow(a[3],2)+Math.pow(a[4],2)+Math.pow(a[5],2)+Math.pow(a[6],2)+Math.pow(a[7],2)+Math.pow(a[8],2)+Math.pow(a[9],2)+Math.pow(a[10],2)+Math.pow(a[11],2)+Math.pow(a[12],2)+Math.pow(a[13],2)+Math.pow(a[14],2)+Math.pow(a[15],2))},mat4.add=function(a,t,l){return a[0]=t[0]+l[0],a[1]=t[1]+l[1],a[2]=t[2]+l[2],a[3]=t[3]+l[3],a[4]=t[4]+l[4],a[5]=t[5]+l[5],a[6]=t[6]+l[6],a[7]=t[7]+l[7],a[8]=t[8]+l[8],a[9]=t[9]+l[9],a[10]=t[10]+l[10],a[11]=t[11]+l[11],a[12]=t[12]+l[12],a[13]=t[13]+l[13],a[14]=t[14]+l[14],a[15]=t[15]+l[15],a},mat4.subtract=function(a,t,l){return a[0]=t[0]-l[0],a[1]=t[1]-l[1],a[2]=t[2]-l[2],a[3]=t[3]-l[3],a[4]=t[4]-l[4],a[5]=t[5]-l[5],a[6]=t[6]-l[6],a[7]=t[7]-l[7],a[8]=t[8]-l[8],a[9]=t[9]-l[9],a[10]=t[10]-l[10],a[11]=t[11]-l[11],a[12]=t[12]-l[12],a[13]=t[13]-l[13],a[14]=t[14]-l[14],a[15]=t[15]-l[15],a},mat4.sub=mat4.subtract,mat4.multiplyScalar=function(a,t,l){return a[0]=t[0]*l,a[1]=t[1]*l,a[2]=t[2]*l,a[3]=t[3]*l,a[4]=t[4]*l,a[5]=t[5]*l,a[6]=t[6]*l,a[7]=t[7]*l,a[8]=t[8]*l,a[9]=t[9]*l,a[10]=t[10]*l,a[11]=t[11]*l,a[12]=t[12]*l,a[13]=t[13]*l,a[14]=t[14]*l,a[15]=t[15]*l,a},mat4.multiplyScalarAndAdd=function(a,t,l,o){return a[0]=t[0]+l[0]*o,a[1]=t[1]+l[1]*o,a[2]=t[2]+l[2]*o,a[3]=t[3]+l[3]*o,a[4]=t[4]+l[4]*o,a[5]=t[5]+l[5]*o,a[6]=t[6]+l[6]*o,a[7]=t[7]+l[7]*o,a[8]=t[8]+l[8]*o,a[9]=t[9]+l[9]*o,a[10]=t[10]+l[10]*o,a[11]=t[11]+l[11]*o,a[12]=t[12]+l[12]*o,a[13]=t[13]+l[13]*o,a[14]=t[14]+l[14]*o,a[15]=t[15]+l[15]*o,a},mat4.exactEquals=function(a,t){return a[0]===t[0]&&a[1]===t[1]&&a[2]===t[2]&&a[3]===t[3]&&a[4]===t[4]&&a[5]===t[5]&&a[6]===t[6]&&a[7]===t[7]&&a[8]===t[8]&&a[9]===t[9]&&a[10]===t[10]&&a[11]===t[11]&&a[12]===t[12]&&a[13]===t[13]&&a[14]===t[14]&&a[15]===t[15]},mat4.equals=function(a,t){var l=a[0],o=a[1],M=a[2],S=a[3],x=a[4],I=a[5],D=a[6],F=a[7],r=a[8],s=a[9],u=a[10],e=a[11],m=a[12],n=a[13],i=a[14],h=a[15],d=t[0],z=t[1],f=t[2],c=t[3],b=t[4],w=t[5],v=t[6],p=t[7],g=t[8],E=t[9],P=t[10],O=t[11],L=t[12],N=t[13],R=t[14],q=t[15];return Math.abs(l-d)<=glMatrix.EPSILON*Math.max(1,Math.abs(l),Math.abs(d))&&Math.abs(o-z)<=glMatrix.EPSILON*Math.max(1,Math.abs(o),Math.abs(z))&&Math.abs(M-f)<=glMatrix.EPSILON*Math.max(1,Math.abs(M),Math.abs(f))&&Math.abs(S-c)<=glMatrix.EPSILON*Math.max(1,Math.abs(S),Math.abs(c))&&Math.abs(x-b)<=glMatrix.EPSILON*Math.max(1,Math.abs(x),Math.abs(b))&&Math.abs(I-w)<=glMatrix.EPSILON*Math.max(1,Math.abs(I),Math.abs(w))&&Math.abs(D-v)<=glMatrix.EPSILON*Math.max(1,Math.abs(D),Math.abs(v))&&Math.abs(F-p)<=glMatrix.EPSILON*Math.max(1,Math.abs(F),Math.abs(p))&&Math.abs(r-g)<=glMatrix.EPSILON*Math.max(1,Math.abs(r),Math.abs(g))&&Math.abs(s-E)<=glMatrix.EPSILON*Math.max(1,Math.abs(s),Math.abs(E))&&Math.abs(u-P)<=glMatrix.EPSILON*Math.max(1,Math.abs(u),Math.abs(P))&&Math.abs(e-O)<=glMatrix.EPSILON*Math.max(1,Math.abs(e),Math.abs(O))&&Math.abs(m-L)<=glMatrix.EPSILON*Math.max(1,Math.abs(m),Math.abs(L))&&Math.abs(n-N)<=glMatrix.EPSILON*Math.max(1,Math.abs(n),Math.abs(N))&&Math.abs(i-R)<=glMatrix.EPSILON*Math.max(1,Math.abs(i),Math.abs(R))&&Math.abs(h-q)<=glMatrix.EPSILON*Math.max(1,Math.abs(h),Math.abs(q))},module.exports=mat4;
+},{"./common.js":145}],150:[function(require,module,exports){
+var glMatrix=require("./common.js"),mat3=require("./mat3.js"),vec3=require("./vec3.js"),vec4=require("./vec4.js"),quat={};quat.create=function(){var t=new glMatrix.ARRAY_TYPE(4);return t[0]=0,t[1]=0,t[2]=0,t[3]=1,t},quat.rotationTo=function(){var t=vec3.create(),a=vec3.fromValues(1,0,0),e=vec3.fromValues(0,1,0);return function(u,r,n){var c=vec3.dot(r,n);return c<-.999999?(vec3.cross(t,a,r),vec3.length(t)<1e-6&&vec3.cross(t,e,r),vec3.normalize(t,t),quat.setAxisAngle(u,t,Math.PI),u):c>.999999?(u[0]=0,u[1]=0,u[2]=0,u[3]=1,u):(vec3.cross(t,r,n),u[0]=t[0],u[1]=t[1],u[2]=t[2],u[3]=1+c,quat.normalize(u,u))}}(),quat.setAxes=function(){var t=mat3.create();return function(a,e,u,r){return t[0]=u[0],t[3]=u[1],t[6]=u[2],t[1]=r[0],t[4]=r[1],t[7]=r[2],t[2]=-e[0],t[5]=-e[1],t[8]=-e[2],quat.normalize(a,quat.fromMat3(a,t))}}(),quat.clone=vec4.clone,quat.fromValues=vec4.fromValues,quat.copy=vec4.copy,quat.set=vec4.set,quat.identity=function(t){return t[0]=0,t[1]=0,t[2]=0,t[3]=1,t},quat.setAxisAngle=function(t,a,e){e*=.5;var u=Math.sin(e);return t[0]=u*a[0],t[1]=u*a[1],t[2]=u*a[2],t[3]=Math.cos(e),t},quat.getAxisAngle=function(t,a){var e=2*Math.acos(a[3]),u=Math.sin(e/2);return 0!=u?(t[0]=a[0]/u,t[1]=a[1]/u,t[2]=a[2]/u):(t[0]=1,t[1]=0,t[2]=0),e},quat.add=vec4.add,quat.multiply=function(t,a,e){var u=a[0],r=a[1],n=a[2],c=a[3],q=e[0],s=e[1],o=e[2],i=e[3];return t[0]=u*i+c*q+r*o-n*s,t[1]=r*i+c*s+n*q-u*o,t[2]=n*i+c*o+u*s-r*q,t[3]=c*i-u*q-r*s-n*o,t},quat.mul=quat.multiply,quat.scale=vec4.scale,quat.rotateX=function(t,a,e){e*=.5;var u=a[0],r=a[1],n=a[2],c=a[3],q=Math.sin(e),s=Math.cos(e);return t[0]=u*s+c*q,t[1]=r*s+n*q,t[2]=n*s-r*q,t[3]=c*s-u*q,t},quat.rotateY=function(t,a,e){e*=.5;var u=a[0],r=a[1],n=a[2],c=a[3],q=Math.sin(e),s=Math.cos(e);return t[0]=u*s-n*q,t[1]=r*s+c*q,t[2]=n*s+u*q,t[3]=c*s-r*q,t},quat.rotateZ=function(t,a,e){e*=.5;var u=a[0],r=a[1],n=a[2],c=a[3],q=Math.sin(e),s=Math.cos(e);return t[0]=u*s+r*q,t[1]=r*s-u*q,t[2]=n*s+c*q,t[3]=c*s-n*q,t},quat.calculateW=function(t,a){var e=a[0],u=a[1],r=a[2];return t[0]=e,t[1]=u,t[2]=r,t[3]=Math.sqrt(Math.abs(1-e*e-u*u-r*r)),t},quat.dot=vec4.dot,quat.lerp=vec4.lerp,quat.slerp=function(t,a,e,u){var r,n,c,q,s,o=a[0],i=a[1],v=a[2],l=a[3],f=e[0],h=e[1],M=e[2],m=e[3];return n=o*f+i*h+v*M+l*m,n<0&&(n=-n,f=-f,h=-h,M=-M,m=-m),1-n>1e-6?(r=Math.acos(n),c=Math.sin(r),q=Math.sin((1-u)*r)/c,s=Math.sin(u*r)/c):(q=1-u,s=u),t[0]=q*o+s*f,t[1]=q*i+s*h,t[2]=q*v+s*M,t[3]=q*l+s*m,t},quat.sqlerp=function(){var t=quat.create(),a=quat.create();return function(e,u,r,n,c,q){return quat.slerp(t,u,c,q),quat.slerp(a,r,n,q),quat.slerp(e,t,a,2*q*(1-q)),e}}(),quat.invert=function(t,a){var e=a[0],u=a[1],r=a[2],n=a[3],c=e*e+u*u+r*r+n*n,q=c?1/c:0;return t[0]=-e*q,t[1]=-u*q,t[2]=-r*q,t[3]=n*q,t},quat.conjugate=function(t,a){return t[0]=-a[0],t[1]=-a[1],t[2]=-a[2],t[3]=a[3],t},quat.length=vec4.length,quat.len=quat.length,quat.squaredLength=vec4.squaredLength,quat.sqrLen=quat.squaredLength,quat.normalize=vec4.normalize,quat.fromMat3=function(t,a){var e,u=a[0]+a[4]+a[8];if(u>0)e=Math.sqrt(u+1),t[3]=.5*e,e=.5/e,t[0]=(a[5]-a[7])*e,t[1]=(a[6]-a[2])*e,t[2]=(a[1]-a[3])*e;else{var r=0;a[4]>a[0]&&(r=1),a[8]>a[3*r+r]&&(r=2);var n=(r+1)%3,c=(r+2)%3;e=Math.sqrt(a[3*r+r]-a[3*n+n]-a[3*c+c]+1),t[r]=.5*e,e=.5/e,t[3]=(a[3*n+c]-a[3*c+n])*e,t[n]=(a[3*n+r]+a[3*r+n])*e,t[c]=(a[3*c+r]+a[3*r+c])*e}return t},quat.str=function(t){return"quat("+t[0]+", "+t[1]+", "+t[2]+", "+t[3]+")"},quat.exactEquals=vec4.exactEquals,quat.equals=vec4.equals,module.exports=quat;
+},{"./common.js":145,"./mat3.js":148,"./vec3.js":152,"./vec4.js":153}],151:[function(require,module,exports){
+var glMatrix=require("./common.js"),vec2={};vec2.create=function(){var n=new glMatrix.ARRAY_TYPE(2);return n[0]=0,n[1]=0,n},vec2.clone=function(n){var t=new glMatrix.ARRAY_TYPE(2);return t[0]=n[0],t[1]=n[1],t},vec2.fromValues=function(n,t){var r=new glMatrix.ARRAY_TYPE(2);return r[0]=n,r[1]=t,r},vec2.copy=function(n,t){return n[0]=t[0],n[1]=t[1],n},vec2.set=function(n,t,r){return n[0]=t,n[1]=r,n},vec2.add=function(n,t,r){return n[0]=t[0]+r[0],n[1]=t[1]+r[1],n},vec2.subtract=function(n,t,r){return n[0]=t[0]-r[0],n[1]=t[1]-r[1],n},vec2.sub=vec2.subtract,vec2.multiply=function(n,t,r){return n[0]=t[0]*r[0],n[1]=t[1]*r[1],n},vec2.mul=vec2.multiply,vec2.divide=function(n,t,r){return n[0]=t[0]/r[0],n[1]=t[1]/r[1],n},vec2.div=vec2.divide,vec2.ceil=function(n,t){return n[0]=Math.ceil(t[0]),n[1]=Math.ceil(t[1]),n},vec2.floor=function(n,t){return n[0]=Math.floor(t[0]),n[1]=Math.floor(t[1]),n},vec2.min=function(n,t,r){return n[0]=Math.min(t[0],r[0]),n[1]=Math.min(t[1],r[1]),n},vec2.max=function(n,t,r){return n[0]=Math.max(t[0],r[0]),n[1]=Math.max(t[1],r[1]),n},vec2.round=function(n,t){return n[0]=Math.round(t[0]),n[1]=Math.round(t[1]),n},vec2.scale=function(n,t,r){return n[0]=t[0]*r,n[1]=t[1]*r,n},vec2.scaleAndAdd=function(n,t,r,e){return n[0]=t[0]+r[0]*e,n[1]=t[1]+r[1]*e,n},vec2.distance=function(n,t){var r=t[0]-n[0],e=t[1]-n[1];return Math.sqrt(r*r+e*e)},vec2.dist=vec2.distance,vec2.squaredDistance=function(n,t){var r=t[0]-n[0],e=t[1]-n[1];return r*r+e*e},vec2.sqrDist=vec2.squaredDistance,vec2.length=function(n){var t=n[0],r=n[1];return Math.sqrt(t*t+r*r)},vec2.len=vec2.length,vec2.squaredLength=function(n){var t=n[0],r=n[1];return t*t+r*r},vec2.sqrLen=vec2.squaredLength,vec2.negate=function(n,t){return n[0]=-t[0],n[1]=-t[1],n},vec2.inverse=function(n,t){return n[0]=1/t[0],n[1]=1/t[1],n},vec2.normalize=function(n,t){var r=t[0],e=t[1],c=r*r+e*e;return c>0&&(c=1/Math.sqrt(c),n[0]=t[0]*c,n[1]=t[1]*c),n},vec2.dot=function(n,t){return n[0]*t[0]+n[1]*t[1]},vec2.cross=function(n,t,r){var e=t[0]*r[1]-t[1]*r[0];return n[0]=n[1]=0,n[2]=e,n},vec2.lerp=function(n,t,r,e){var c=t[0],a=t[1];return n[0]=c+e*(r[0]-c),n[1]=a+e*(r[1]-a),n},vec2.random=function(n,t){t=t||1;var r=2*glMatrix.RANDOM()*Math.PI;return n[0]=Math.cos(r)*t,n[1]=Math.sin(r)*t,n},vec2.transformMat2=function(n,t,r){var e=t[0],c=t[1];return n[0]=r[0]*e+r[2]*c,n[1]=r[1]*e+r[3]*c,n},vec2.transformMat2d=function(n,t,r){var e=t[0],c=t[1];return n[0]=r[0]*e+r[2]*c+r[4],n[1]=r[1]*e+r[3]*c+r[5],n},vec2.transformMat3=function(n,t,r){var e=t[0],c=t[1];return n[0]=r[0]*e+r[3]*c+r[6],n[1]=r[1]*e+r[4]*c+r[7],n},vec2.transformMat4=function(n,t,r){var e=t[0],c=t[1];return n[0]=r[0]*e+r[4]*c+r[12],n[1]=r[1]*e+r[5]*c+r[13],n},vec2.forEach=function(){var n=vec2.create();return function(t,r,e,c,a,u){var v,i;for(r||(r=2),e||(e=0),i=c?Math.min(c*r+e,t.length):t.length,v=e;v<i;v+=r)n[0]=t[v],n[1]=t[v+1],a(n,n,u),t[v]=n[0],t[v+1]=n[1];return t}}(),vec2.str=function(n){return"vec2("+n[0]+", "+n[1]+")"},vec2.exactEquals=function(n,t){return n[0]===t[0]&&n[1]===t[1]},vec2.equals=function(n,t){var r=n[0],e=n[1],c=t[0],a=t[1];return Math.abs(r-c)<=glMatrix.EPSILON*Math.max(1,Math.abs(r),Math.abs(c))&&Math.abs(e-a)<=glMatrix.EPSILON*Math.max(1,Math.abs(e),Math.abs(a))},module.exports=vec2;
+},{"./common.js":145}],152:[function(require,module,exports){
+var glMatrix=require("./common.js"),vec3={};vec3.create=function(){var t=new glMatrix.ARRAY_TYPE(3);return t[0]=0,t[1]=0,t[2]=0,t},vec3.clone=function(t){var n=new glMatrix.ARRAY_TYPE(3);return n[0]=t[0],n[1]=t[1],n[2]=t[2],n},vec3.fromValues=function(t,n,r){var e=new glMatrix.ARRAY_TYPE(3);return e[0]=t,e[1]=n,e[2]=r,e},vec3.copy=function(t,n){return t[0]=n[0],t[1]=n[1],t[2]=n[2],t},vec3.set=function(t,n,r,e){return t[0]=n,t[1]=r,t[2]=e,t},vec3.add=function(t,n,r){return t[0]=n[0]+r[0],t[1]=n[1]+r[1],t[2]=n[2]+r[2],t},vec3.subtract=function(t,n,r){return t[0]=n[0]-r[0],t[1]=n[1]-r[1],t[2]=n[2]-r[2],t},vec3.sub=vec3.subtract,vec3.multiply=function(t,n,r){return t[0]=n[0]*r[0],t[1]=n[1]*r[1],t[2]=n[2]*r[2],t},vec3.mul=vec3.multiply,vec3.divide=function(t,n,r){return t[0]=n[0]/r[0],t[1]=n[1]/r[1],t[2]=n[2]/r[2],t},vec3.div=vec3.divide,vec3.ceil=function(t,n){return t[0]=Math.ceil(n[0]),t[1]=Math.ceil(n[1]),t[2]=Math.ceil(n[2]),t},vec3.floor=function(t,n){return t[0]=Math.floor(n[0]),t[1]=Math.floor(n[1]),t[2]=Math.floor(n[2]),t},vec3.min=function(t,n,r){return t[0]=Math.min(n[0],r[0]),t[1]=Math.min(n[1],r[1]),t[2]=Math.min(n[2],r[2]),t},vec3.max=function(t,n,r){return t[0]=Math.max(n[0],r[0]),t[1]=Math.max(n[1],r[1]),t[2]=Math.max(n[2],r[2]),t},vec3.round=function(t,n){return t[0]=Math.round(n[0]),t[1]=Math.round(n[1]),t[2]=Math.round(n[2]),t},vec3.scale=function(t,n,r){return t[0]=n[0]*r,t[1]=n[1]*r,t[2]=n[2]*r,t},vec3.scaleAndAdd=function(t,n,r,e){return t[0]=n[0]+r[0]*e,t[1]=n[1]+r[1]*e,t[2]=n[2]+r[2]*e,t},vec3.distance=function(t,n){var r=n[0]-t[0],e=n[1]-t[1],a=n[2]-t[2];return Math.sqrt(r*r+e*e+a*a)},vec3.dist=vec3.distance,vec3.squaredDistance=function(t,n){var r=n[0]-t[0],e=n[1]-t[1],a=n[2]-t[2];return r*r+e*e+a*a},vec3.sqrDist=vec3.squaredDistance,vec3.length=function(t){var n=t[0],r=t[1],e=t[2];return Math.sqrt(n*n+r*r+e*e)},vec3.len=vec3.length,vec3.squaredLength=function(t){var n=t[0],r=t[1],e=t[2];return n*n+r*r+e*e},vec3.sqrLen=vec3.squaredLength,vec3.negate=function(t,n){return t[0]=-n[0],t[1]=-n[1],t[2]=-n[2],t},vec3.inverse=function(t,n){return t[0]=1/n[0],t[1]=1/n[1],t[2]=1/n[2],t},vec3.normalize=function(t,n){var r=n[0],e=n[1],a=n[2],c=r*r+e*e+a*a;return c>0&&(c=1/Math.sqrt(c),t[0]=n[0]*c,t[1]=n[1]*c,t[2]=n[2]*c),t},vec3.dot=function(t,n){return t[0]*n[0]+t[1]*n[1]+t[2]*n[2]},vec3.cross=function(t,n,r){var e=n[0],a=n[1],c=n[2],u=r[0],v=r[1],i=r[2];return t[0]=a*i-c*v,t[1]=c*u-e*i,t[2]=e*v-a*u,t},vec3.lerp=function(t,n,r,e){var a=n[0],c=n[1],u=n[2];return t[0]=a+e*(r[0]-a),t[1]=c+e*(r[1]-c),t[2]=u+e*(r[2]-u),t},vec3.hermite=function(t,n,r,e,a,c){var u=c*c,v=u*(2*c-3)+1,i=u*(c-2)+c,o=u*(c-1),M=u*(3-2*c);return t[0]=n[0]*v+r[0]*i+e[0]*o+a[0]*M,t[1]=n[1]*v+r[1]*i+e[1]*o+a[1]*M,t[2]=n[2]*v+r[2]*i+e[2]*o+a[2]*M,t},vec3.bezier=function(t,n,r,e,a,c){var u=1-c,v=u*u,i=c*c,o=v*u,M=3*c*v,s=3*i*u,h=i*c;return t[0]=n[0]*o+r[0]*M+e[0]*s+a[0]*h,t[1]=n[1]*o+r[1]*M+e[1]*s+a[1]*h,t[2]=n[2]*o+r[2]*M+e[2]*s+a[2]*h,t},vec3.random=function(t,n){n=n||1;var r=2*glMatrix.RANDOM()*Math.PI,e=2*glMatrix.RANDOM()-1,a=Math.sqrt(1-e*e)*n;return t[0]=Math.cos(r)*a,t[1]=Math.sin(r)*a,t[2]=e*n,t},vec3.transformMat4=function(t,n,r){var e=n[0],a=n[1],c=n[2],u=r[3]*e+r[7]*a+r[11]*c+r[15];return u=u||1,t[0]=(r[0]*e+r[4]*a+r[8]*c+r[12])/u,t[1]=(r[1]*e+r[5]*a+r[9]*c+r[13])/u,t[2]=(r[2]*e+r[6]*a+r[10]*c+r[14])/u,t},vec3.transformMat3=function(t,n,r){var e=n[0],a=n[1],c=n[2];return t[0]=e*r[0]+a*r[3]+c*r[6],t[1]=e*r[1]+a*r[4]+c*r[7],t[2]=e*r[2]+a*r[5]+c*r[8],t},vec3.transformQuat=function(t,n,r){var e=n[0],a=n[1],c=n[2],u=r[0],v=r[1],i=r[2],o=r[3],M=o*e+v*c-i*a,s=o*a+i*e-u*c,h=o*c+u*a-v*e,f=-u*e-v*a-i*c;return t[0]=M*o+f*-u+s*-i-h*-v,t[1]=s*o+f*-v+h*-u-M*-i,t[2]=h*o+f*-i+M*-v-s*-u,t},vec3.rotateX=function(t,n,r,e){var a=[],c=[];return a[0]=n[0]-r[0],a[1]=n[1]-r[1],a[2]=n[2]-r[2],c[0]=a[0],c[1]=a[1]*Math.cos(e)-a[2]*Math.sin(e),c[2]=a[1]*Math.sin(e)+a[2]*Math.cos(e),t[0]=c[0]+r[0],t[1]=c[1]+r[1],t[2]=c[2]+r[2],t},vec3.rotateY=function(t,n,r,e){var a=[],c=[];return a[0]=n[0]-r[0],a[1]=n[1]-r[1],a[2]=n[2]-r[2],c[0]=a[2]*Math.sin(e)+a[0]*Math.cos(e),c[1]=a[1],c[2]=a[2]*Math.cos(e)-a[0]*Math.sin(e),t[0]=c[0]+r[0],t[1]=c[1]+r[1],t[2]=c[2]+r[2],t},vec3.rotateZ=function(t,n,r,e){var a=[],c=[];return a[0]=n[0]-r[0],a[1]=n[1]-r[1],a[2]=n[2]-r[2],c[0]=a[0]*Math.cos(e)-a[1]*Math.sin(e),c[1]=a[0]*Math.sin(e)+a[1]*Math.cos(e),c[2]=a[2],t[0]=c[0]+r[0],t[1]=c[1]+r[1],t[2]=c[2]+r[2],t},vec3.forEach=function(){var t=vec3.create();return function(n,r,e,a,c,u){var v,i;for(r||(r=3),e||(e=0),i=a?Math.min(a*r+e,n.length):n.length,v=e;v<i;v+=r)t[0]=n[v],t[1]=n[v+1],t[2]=n[v+2],c(t,t,u),n[v]=t[0],n[v+1]=t[1],n[v+2]=t[2];return n}}(),vec3.angle=function(t,n){var r=vec3.fromValues(t[0],t[1],t[2]),e=vec3.fromValues(n[0],n[1],n[2]);vec3.normalize(r,r),vec3.normalize(e,e);var a=vec3.dot(r,e);return a>1?0:Math.acos(a)},vec3.str=function(t){return"vec3("+t[0]+", "+t[1]+", "+t[2]+")"},vec3.exactEquals=function(t,n){return t[0]===n[0]&&t[1]===n[1]&&t[2]===n[2]},vec3.equals=function(t,n){var r=t[0],e=t[1],a=t[2],c=n[0],u=n[1],v=n[2];return Math.abs(r-c)<=glMatrix.EPSILON*Math.max(1,Math.abs(r),Math.abs(c))&&Math.abs(e-u)<=glMatrix.EPSILON*Math.max(1,Math.abs(e),Math.abs(u))&&Math.abs(a-v)<=glMatrix.EPSILON*Math.max(1,Math.abs(a),Math.abs(v))},module.exports=vec3;
+},{"./common.js":145}],153:[function(require,module,exports){
+var glMatrix=require("./common.js"),vec4={};vec4.create=function(){var t=new glMatrix.ARRAY_TYPE(4);return t[0]=0,t[1]=0,t[2]=0,t[3]=0,t},vec4.clone=function(t){var n=new glMatrix.ARRAY_TYPE(4);return n[0]=t[0],n[1]=t[1],n[2]=t[2],n[3]=t[3],n},vec4.fromValues=function(t,n,e,r){var a=new glMatrix.ARRAY_TYPE(4);return a[0]=t,a[1]=n,a[2]=e,a[3]=r,a},vec4.copy=function(t,n){return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t},vec4.set=function(t,n,e,r,a){return t[0]=n,t[1]=e,t[2]=r,t[3]=a,t},vec4.add=function(t,n,e){return t[0]=n[0]+e[0],t[1]=n[1]+e[1],t[2]=n[2]+e[2],t[3]=n[3]+e[3],t},vec4.subtract=function(t,n,e){return t[0]=n[0]-e[0],t[1]=n[1]-e[1],t[2]=n[2]-e[2],t[3]=n[3]-e[3],t},vec4.sub=vec4.subtract,vec4.multiply=function(t,n,e){return t[0]=n[0]*e[0],t[1]=n[1]*e[1],t[2]=n[2]*e[2],t[3]=n[3]*e[3],t},vec4.mul=vec4.multiply,vec4.divide=function(t,n,e){return t[0]=n[0]/e[0],t[1]=n[1]/e[1],t[2]=n[2]/e[2],t[3]=n[3]/e[3],t},vec4.div=vec4.divide,vec4.ceil=function(t,n){return t[0]=Math.ceil(n[0]),t[1]=Math.ceil(n[1]),t[2]=Math.ceil(n[2]),t[3]=Math.ceil(n[3]),t},vec4.floor=function(t,n){return t[0]=Math.floor(n[0]),t[1]=Math.floor(n[1]),t[2]=Math.floor(n[2]),t[3]=Math.floor(n[3]),t},vec4.min=function(t,n,e){return t[0]=Math.min(n[0],e[0]),t[1]=Math.min(n[1],e[1]),t[2]=Math.min(n[2],e[2]),t[3]=Math.min(n[3],e[3]),t},vec4.max=function(t,n,e){return t[0]=Math.max(n[0],e[0]),t[1]=Math.max(n[1],e[1]),t[2]=Math.max(n[2],e[2]),t[3]=Math.max(n[3],e[3]),t},vec4.round=function(t,n){return t[0]=Math.round(n[0]),t[1]=Math.round(n[1]),t[2]=Math.round(n[2]),t[3]=Math.round(n[3]),t},vec4.scale=function(t,n,e){return t[0]=n[0]*e,t[1]=n[1]*e,t[2]=n[2]*e,t[3]=n[3]*e,t},vec4.scaleAndAdd=function(t,n,e,r){return t[0]=n[0]+e[0]*r,t[1]=n[1]+e[1]*r,t[2]=n[2]+e[2]*r,t[3]=n[3]+e[3]*r,t},vec4.distance=function(t,n){var e=n[0]-t[0],r=n[1]-t[1],a=n[2]-t[2],c=n[3]-t[3];return Math.sqrt(e*e+r*r+a*a+c*c)},vec4.dist=vec4.distance,vec4.squaredDistance=function(t,n){var e=n[0]-t[0],r=n[1]-t[1],a=n[2]-t[2],c=n[3]-t[3];return e*e+r*r+a*a+c*c},vec4.sqrDist=vec4.squaredDistance,vec4.length=function(t){var n=t[0],e=t[1],r=t[2],a=t[3];return Math.sqrt(n*n+e*e+r*r+a*a)},vec4.len=vec4.length,vec4.squaredLength=function(t){var n=t[0],e=t[1],r=t[2],a=t[3];return n*n+e*e+r*r+a*a},vec4.sqrLen=vec4.squaredLength,vec4.negate=function(t,n){return t[0]=-n[0],t[1]=-n[1],t[2]=-n[2],t[3]=-n[3],t},vec4.inverse=function(t,n){return t[0]=1/n[0],t[1]=1/n[1],t[2]=1/n[2],t[3]=1/n[3],t},vec4.normalize=function(t,n){var e=n[0],r=n[1],a=n[2],c=n[3],u=e*e+r*r+a*a+c*c;return u>0&&(u=1/Math.sqrt(u),t[0]=e*u,t[1]=r*u,t[2]=a*u,t[3]=c*u),t},vec4.dot=function(t,n){return t[0]*n[0]+t[1]*n[1]+t[2]*n[2]+t[3]*n[3]},vec4.lerp=function(t,n,e,r){var a=n[0],c=n[1],u=n[2],i=n[3];return t[0]=a+r*(e[0]-a),t[1]=c+r*(e[1]-c),t[2]=u+r*(e[2]-u),t[3]=i+r*(e[3]-i),t},vec4.random=function(t,n){return n=n||1,t[0]=glMatrix.RANDOM(),t[1]=glMatrix.RANDOM(),t[2]=glMatrix.RANDOM(),t[3]=glMatrix.RANDOM(),vec4.normalize(t,t),vec4.scale(t,t,n),t},vec4.transformMat4=function(t,n,e){var r=n[0],a=n[1],c=n[2],u=n[3];return t[0]=e[0]*r+e[4]*a+e[8]*c+e[12]*u,t[1]=e[1]*r+e[5]*a+e[9]*c+e[13]*u,t[2]=e[2]*r+e[6]*a+e[10]*c+e[14]*u,t[3]=e[3]*r+e[7]*a+e[11]*c+e[15]*u,t},vec4.transformQuat=function(t,n,e){var r=n[0],a=n[1],c=n[2],u=e[0],i=e[1],v=e[2],o=e[3],M=o*r+i*c-v*a,h=o*a+v*r-u*c,f=o*c+u*a-i*r,l=-u*r-i*a-v*c;return t[0]=M*o+l*-u+h*-v-f*-i,t[1]=h*o+l*-i+f*-u-M*-v,t[2]=f*o+l*-v+M*-i-h*-u,t[3]=n[3],t},vec4.forEach=function(){var t=vec4.create();return function(n,e,r,a,c,u){var i,v;for(e||(e=4),r||(r=0),v=a?Math.min(a*e+r,n.length):n.length,i=r;i<v;i+=e)t[0]=n[i],t[1]=n[i+1],t[2]=n[i+2],t[3]=n[i+3],c(t,t,u),n[i]=t[0],n[i+1]=t[1],n[i+2]=t[2],n[i+3]=t[3];return n}}(),vec4.str=function(t){return"vec4("+t[0]+", "+t[1]+", "+t[2]+", "+t[3]+")"},vec4.exactEquals=function(t,n){return t[0]===n[0]&&t[1]===n[1]&&t[2]===n[2]&&t[3]===n[3]},vec4.equals=function(t,n){var e=t[0],r=t[1],a=t[2],c=t[3],u=n[0],i=n[1],v=n[2],o=n[3];return Math.abs(e-u)<=glMatrix.EPSILON*Math.max(1,Math.abs(e),Math.abs(u))&&Math.abs(r-i)<=glMatrix.EPSILON*Math.max(1,Math.abs(r),Math.abs(i))&&Math.abs(a-v)<=glMatrix.EPSILON*Math.max(1,Math.abs(a),Math.abs(v))&&Math.abs(c-o)<=glMatrix.EPSILON*Math.max(1,Math.abs(c),Math.abs(o))},module.exports=vec4;
+},{"./common.js":145}],154:[function(require,module,exports){
+"use strict";function GridIndex(t,r,e){var s=this.cells=[];if(t instanceof ArrayBuffer){this.arrayBuffer=t;var i=new Int32Array(this.arrayBuffer);t=i[0],r=i[1],e=i[2],this.d=r+2*e;for(var h=0;h<this.d*this.d;h++){var n=i[NUM_PARAMS+h],o=i[NUM_PARAMS+h+1];s.push(n===o?null:i.subarray(n,o))}var l=i[NUM_PARAMS+s.length],a=i[NUM_PARAMS+s.length+1];this.keys=i.subarray(l,a),this.bboxes=i.subarray(a),this.insert=this._insertReadonly}else{this.d=r+2*e;for(var d=0;d<this.d*this.d;d++)s.push([]);this.keys=[],this.bboxes=[]}this.n=r,this.extent=t,this.padding=e,this.scale=r/t,this.uid=0;var f=e/r*t;this.min=-f,this.max=t+f}module.exports=GridIndex;var NUM_PARAMS=3;GridIndex.prototype.insert=function(t,r,e,s,i){this._forEachCell(r,e,s,i,this._insertCell,this.uid++),this.keys.push(t),this.bboxes.push(r),this.bboxes.push(e),this.bboxes.push(s),this.bboxes.push(i)},GridIndex.prototype._insertReadonly=function(){throw"Cannot insert into a GridIndex created from an ArrayBuffer."},GridIndex.prototype._insertCell=function(t,r,e,s,i,h){this.cells[i].push(h)},GridIndex.prototype.query=function(t,r,e,s){var i=this.min,h=this.max;if(t<=i&&r<=i&&h<=e&&h<=s)return Array.prototype.slice.call(this.keys);var n=[],o={};return this._forEachCell(t,r,e,s,this._queryCell,n,o),n},GridIndex.prototype._queryCell=function(t,r,e,s,i,h,n){var o=this.cells[i];if(null!==o)for(var l=this.keys,a=this.bboxes,d=0;d<o.length;d++){var f=o[d];if(void 0===n[f]){var u=4*f;t<=a[u+2]&&r<=a[u+3]&&e>=a[u+0]&&s>=a[u+1]?(n[f]=!0,h.push(l[f])):n[f]=!1}}},GridIndex.prototype._forEachCell=function(t,r,e,s,i,h,n){for(var o=this._convertToCellCoord(t),l=this._convertToCellCoord(r),a=this._convertToCellCoord(e),d=this._convertToCellCoord(s),f=o;f<=a;f++)for(var u=l;u<=d;u++){var y=this.d*u+f;if(i.call(this,t,r,e,s,y,h,n))return}},GridIndex.prototype._convertToCellCoord=function(t){return Math.max(0,Math.min(this.d-1,Math.floor(t*this.scale)+this.padding))},GridIndex.prototype.toArrayBuffer=function(){if(this.arrayBuffer)return this.arrayBuffer;for(var t=this.cells,r=NUM_PARAMS+this.cells.length+1+1,e=0,s=0;s<this.cells.length;s++)e+=this.cells[s].length;var i=new Int32Array(r+e+this.keys.length+this.bboxes.length);i[0]=this.extent,i[1]=this.n,i[2]=this.padding;for(var h=r,n=0;n<t.length;n++){var o=t[n];i[NUM_PARAMS+n]=h,i.set(o,h),h+=o.length}return i[NUM_PARAMS+t.length]=h,i.set(this.keys,h),h+=this.keys.length,i[NUM_PARAMS+t.length+1]=h,i.set(this.bboxes,h),h+=this.bboxes.length,i.buffer};
+},{}],155:[function(require,module,exports){
+exports.read=function(a,o,t,r,h){var M,p,w=8*h-r-1,f=(1<<w)-1,e=f>>1,i=-7,N=t?h-1:0,n=t?-1:1,s=a[o+N];for(N+=n,M=s&(1<<-i)-1,s>>=-i,i+=w;i>0;M=256*M+a[o+N],N+=n,i-=8);for(p=M&(1<<-i)-1,M>>=-i,i+=r;i>0;p=256*p+a[o+N],N+=n,i-=8);if(0===M)M=1-e;else{if(M===f)return p?NaN:(s?-1:1)*(1/0);p+=Math.pow(2,r),M-=e}return(s?-1:1)*p*Math.pow(2,M-r)},exports.write=function(a,o,t,r,h,M){var p,w,f,e=8*M-h-1,i=(1<<e)-1,N=i>>1,n=23===h?Math.pow(2,-24)-Math.pow(2,-77):0,s=r?0:M-1,u=r?1:-1,l=o<0||0===o&&1/o<0?1:0;for(o=Math.abs(o),isNaN(o)||o===1/0?(w=isNaN(o)?1:0,p=i):(p=Math.floor(Math.log(o)/Math.LN2),o*(f=Math.pow(2,-p))<1&&(p--,f*=2),o+=p+N>=1?n/f:n*Math.pow(2,1-N),o*f>=2&&(p++,f/=2),p+N>=i?(w=0,p=i):p+N>=1?(w=(o*f-1)*Math.pow(2,h),p+=N):(w=o*Math.pow(2,N-1)*Math.pow(2,h),p=0));h>=8;a[t+s]=255&w,s+=u,w/=256,h-=8);for(p=p<<h|w,e+=h;e>0;a[t+s]=255&p,s+=u,p/=256,e-=8);a[t+s-u]|=128*l};
+},{}],156:[function(require,module,exports){
+"use strict";function kdbush(t,i,e,s,n){return new KDBush(t,i,e,s,n)}function KDBush(t,i,e,s,n){i=i||defaultGetX,e=e||defaultGetY,n=n||Array,this.nodeSize=s||64,this.points=t,this.ids=new n(t.length),this.coords=new n(2*t.length);for(var r=0;r<t.length;r++)this.ids[r]=r,this.coords[2*r]=i(t[r]),this.coords[2*r+1]=e(t[r]);sort(this.ids,this.coords,this.nodeSize,0,this.ids.length-1,0)}function defaultGetX(t){return t[0]}function defaultGetY(t){return t[1]}var sort=require("./sort"),range=require("./range"),within=require("./within");module.exports=kdbush,KDBush.prototype={range:function(t,i,e,s){return range(this.ids,this.coords,t,i,e,s,this.nodeSize)},within:function(t,i,e){return within(this.ids,this.coords,t,i,e,this.nodeSize)}};
+},{"./range":157,"./sort":158,"./within":159}],157:[function(require,module,exports){
+"use strict";function range(p,r,s,u,h,e,o){for(var a,t,n=[0,p.length-1,0],f=[];n.length;){var l=n.pop(),v=n.pop(),g=n.pop();if(v-g<=o)for(var i=g;i<=v;i++)a=r[2*i],t=r[2*i+1],a>=s&&a<=h&&t>=u&&t<=e&&f.push(p[i]);else{var c=Math.floor((g+v)/2);a=r[2*c],t=r[2*c+1],a>=s&&a<=h&&t>=u&&t<=e&&f.push(p[c]);var d=(l+1)%2;(0===l?s<=a:u<=t)&&(n.push(g),n.push(c-1),n.push(d)),(0===l?h>=a:e>=t)&&(n.push(c+1),n.push(v),n.push(d))}}return f}module.exports=range;
+},{}],158:[function(require,module,exports){
+"use strict";function sortKD(t,a,o,s,r,e){if(!(r-s<=o)){var f=Math.floor((s+r)/2);select(t,a,f,s,r,e%2),sortKD(t,a,o,s,f-1,e+1),sortKD(t,a,o,f+1,r,e+1)}}function select(t,a,o,s,r,e){for(;r>s;){if(r-s>600){var f=r-s+1,p=o-s+1,w=Math.log(f),m=.5*Math.exp(2*w/3),n=.5*Math.sqrt(w*m*(f-m)/f)*(p-f/2<0?-1:1),c=Math.max(s,Math.floor(o-p*m/f+n)),h=Math.min(r,Math.floor(o+(f-p)*m/f+n));select(t,a,o,c,h,e)}var i=a[2*o+e],l=s,M=r;for(swapItem(t,a,s,o),a[2*r+e]>i&&swapItem(t,a,s,r);l<M;){for(swapItem(t,a,l,M),l++,M--;a[2*l+e]<i;)l++;for(;a[2*M+e]>i;)M--}a[2*s+e]===i?swapItem(t,a,s,M):(M++,swapItem(t,a,M,r)),M<=o&&(s=M+1),o<=M&&(r=M-1)}}function swapItem(t,a,o,s){swap(t,o,s),swap(a,2*o,2*s),swap(a,2*o+1,2*s+1)}function swap(t,a,o){var s=t[a];t[a]=t[o],t[o]=s}module.exports=sortKD;
+},{}],159:[function(require,module,exports){
+"use strict";function within(s,p,r,t,u,h){for(var i=[0,s.length-1,0],o=[],n=u*u;i.length;){var e=i.pop(),a=i.pop(),f=i.pop();if(a-f<=h)for(var v=f;v<=a;v++)sqDist(p[2*v],p[2*v+1],r,t)<=n&&o.push(s[v]);else{var l=Math.floor((f+a)/2),c=p[2*l],q=p[2*l+1];sqDist(c,q,r,t)<=n&&o.push(s[l]);var D=(e+1)%2;(0===e?r-u<=c:t-u<=q)&&(i.push(f),i.push(l-1),i.push(D)),(0===e?r+u>=c:t+u>=q)&&(i.push(l+1),i.push(a),i.push(D))}}return o}function sqDist(s,p,r,t){var u=s-r,h=p-t;return u*u+h*h}module.exports=within;
+},{}],160:[function(require,module,exports){
+function xyz2lab(r){return r>t3?Math.pow(r,1/3):r/t2+t0}function lab2xyz(r){return r>t1?r*r*r:t2*(r-t0)}function xyz2rgb(r){return 255*(r<=.0031308?12.92*r:1.055*Math.pow(r,1/2.4)-.055)}function rgb2xyz(r){return(r/=255)<=.04045?r/12.92:Math.pow((r+.055)/1.055,2.4)}function rgbToLab(r){var t=rgb2xyz(r[0]),a=rgb2xyz(r[1]),n=rgb2xyz(r[2]),b=xyz2lab((.4124564*t+.3575761*a+.1804375*n)/Xn),o=xyz2lab((.2126729*t+.7151522*a+.072175*n)/Yn),g=xyz2lab((.0193339*t+.119192*a+.9503041*n)/Zn);return[116*o-16,500*(b-o),200*(o-g),r[3]]}function labToRgb(r){var t=(r[0]+16)/116,a=isNaN(r[1])?t:t+r[1]/500,n=isNaN(r[2])?t:t-r[2]/200;return t=Yn*lab2xyz(t),a=Xn*lab2xyz(a),n=Zn*lab2xyz(n),[xyz2rgb(3.2404542*a-1.5371385*t-.4985314*n),xyz2rgb(-.969266*a+1.8760108*t+.041556*n),xyz2rgb(.0556434*a-.2040259*t+1.0572252*n),r[3]]}function rgbToHcl(r){var t=rgbToLab(r),a=t[0],n=t[1],b=t[2],o=Math.atan2(b,n)*rad2deg;return[o<0?o+360:o,Math.sqrt(n*n+b*b),a,r[3]]}function hclToRgb(r){var t=r[0]*deg2rad,a=r[1],n=r[2];return labToRgb([n,Math.cos(t)*a,Math.sin(t)*a,r[3]])}var Kn=18,Xn=.95047,Yn=1,Zn=1.08883,t0=4/29,t1=6/29,t2=3*t1*t1,t3=t1*t1*t1,deg2rad=Math.PI/180,rad2deg=180/Math.PI;module.exports={lab:{forward:rgbToLab,reverse:labToRgb},hcl:{forward:rgbToHcl,reverse:hclToRgb}};
+},{}],161:[function(require,module,exports){
+"use strict";function identityFunction(t){return t}function createFunction(t,o){var e;if(isFunctionDefinition(t)){var n,r=t.stops&&"object"==typeof t.stops[0][0],i=r||void 0!==t.property,s=r||!i,a=t.stops&&typeof(r?t.stops[0][0].property:t.stops[0][0]),p=t.type||o||("string"===a?"categorical":"exponential");if("exponential"===p)n=evaluateExponentialFunction;else if("interval"===p)n=evaluateIntervalFunction;else if("categorical"===p)n=evaluateCategoricalFunction;else{if("identity"!==p)throw new Error('Unknown function type "'+p+'"');n=evaluateIdentityFunction}var u;if(t.colorSpace&&"rgb"!==t.colorSpace){if(!colorSpaces[t.colorSpace])throw new Error("Unknown color space: "+t.colorSpace);var c=colorSpaces[t.colorSpace];t=JSON.parse(JSON.stringify(t));for(var l=0;l<t.stops.length;l++)t.stops[l]=[t.stops[l][0],c.forward(t.stops[l][1])];u=c.reverse}else u=identityFunction;if(r){var f={},v=[];for(l=0;l<t.stops.length;l++){var y=t.stops[l];void 0===f[y[0].zoom]&&(f[y[0].zoom]={zoom:y[0].zoom,type:t.type,property:t.property,stops:[]}),f[y[0].zoom].stops.push([y[0].value,y[1]])}for(var F in f)v.push([f[F].zoom,createFunction(f[F])]);e=function(o,e){return u(evaluateExponentialFunction({stops:v,base:t.base},o)(o,e))},e.isFeatureConstant=!1,e.isZoomConstant=!1}else s?(e=function(o){return u(n(t,o))},e.isFeatureConstant=!0,e.isZoomConstant=!1):(e=function(o,e){return u(n(t,e[t.property]))},e.isFeatureConstant=!1,e.isZoomConstant=!0)}else e=function(){return t},e.isFeatureConstant=!0,e.isZoomConstant=!0;return e}function evaluateCategoricalFunction(t,o){for(var e=0;e<t.stops.length;e++)if(o===t.stops[e][0])return t.stops[e][1];return t.stops[0][1]}function evaluateIntervalFunction(t,o){for(var e=0;e<t.stops.length&&!(o<t.stops[e][0]);e++);return t.stops[Math.max(e-1,0)][1]}function evaluateExponentialFunction(t,o){for(var e=void 0!==t.base?t.base:1,n=0;;){if(n>=t.stops.length)break;if(o<=t.stops[n][0])break;n++}return 0===n?t.stops[n][1]:n===t.stops.length?t.stops[n-1][1]:interpolate(o,e,t.stops[n-1][0],t.stops[n][0],t.stops[n-1][1],t.stops[n][1])}function evaluateIdentityFunction(t,o){return o}function interpolate(t,o,e,n,r,i){return"function"==typeof r?function(){var s=r.apply(void 0,arguments),a=i.apply(void 0,arguments);return interpolate(t,o,e,n,s,a)}:r.length?interpolateArray(t,o,e,n,r,i):interpolateNumber(t,o,e,n,r,i)}function interpolateNumber(t,o,e,n,r,i){var s,a=n-e,p=t-e;return s=1===o?p/a:(Math.pow(o,p)-1)/(Math.pow(o,a)-1),r*(1-s)+i*s}function interpolateArray(t,o,e,n,r,i){for(var s=[],a=0;a<r.length;a++)s[a]=interpolateNumber(t,o,e,n,r[a],i[a]);return s}function isFunctionDefinition(t){return"object"==typeof t&&(t.stops||"identity"===t.type)}var colorSpaces=require("./color_spaces");module.exports.isFunctionDefinition=isFunctionDefinition,module.exports.interpolated=function(t){return createFunction(t,"exponential")},module.exports["piecewise-constant"]=function(t){return createFunction(t,"interval")};
+},{"./color_spaces":160}],162:[function(require,module,exports){
+var path=require("path");module.exports={prelude:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nfloat evaluate_zoom_function_1(const vec4 values, const float t) {\n    if (t < 1.0) {\n        return mix(values[0], values[1], t);\n    } else if (t < 2.0) {\n        return mix(values[1], values[2], t - 1.0);\n    } else {\n        return mix(values[2], values[3], t - 2.0);\n    }\n}\nvec4 evaluate_zoom_function_4(const vec4 value0, const vec4 value1, const vec4 value2, const vec4 value3, const float t) {\n    if (t < 1.0) {\n        return mix(value0, value1, t);\n    } else if (t < 2.0) {\n        return mix(value1, value2, t - 1.0);\n    } else {\n        return mix(value2, value3, t - 2.0);\n    }\n}\n\n// The offset depends on how many pixels are between the world origin and the edge of the tile:\n// vec2 offset = mod(pixel_coord, size)\n//\n// At high zoom levels there are a ton of pixels between the world origin and the edge of the tile.\n// The glsl spec only guarantees 16 bits of precision for highp floats. We need more than that.\n//\n// The pixel_coord is passed in as two 16 bit values:\n// pixel_coord_upper = floor(pixel_coord / 2^16)\n// pixel_coord_lower = mod(pixel_coord, 2^16)\n//\n// The offset is calculated in a series of steps that should preserve this precision:\nvec2 get_pattern_pos(const vec2 pixel_coord_upper, const vec2 pixel_coord_lower,\n    const vec2 pattern_size, const float tile_units_to_pixels, const vec2 pos) {\n\n    vec2 offset = mod(mod(mod(pixel_coord_upper, pattern_size) * 256.0, pattern_size) * 256.0 + pixel_coord_lower, pattern_size);\n    return (tile_units_to_pixels * pos + offset) / pattern_size;\n}\n"},circle:{fragmentSource:"#pragma mapbox: define lowp vec4 color\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n\nvarying vec2 v_extrude;\nvarying lowp float v_antialiasblur;\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 color\n    #pragma mapbox: initialize lowp float blur\n    #pragma mapbox: initialize lowp float opacity\n\n    float t = smoothstep(1.0 - max(blur, v_antialiasblur), 1.0, length(v_extrude));\n    gl_FragColor = color * (1.0 - t) * opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"uniform mat4 u_matrix;\nuniform bool u_scale_with_map;\nuniform vec2 u_extrude_scale;\nuniform float u_devicepixelratio;\n\nattribute vec2 a_pos;\n\n#pragma mapbox: define lowp vec4 color\n#pragma mapbox: define mediump float radius\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n\nvarying vec2 v_extrude;\nvarying lowp float v_antialiasblur;\n\nvoid main(void) {\n    #pragma mapbox: initialize lowp vec4 color\n    #pragma mapbox: initialize mediump float radius\n    #pragma mapbox: initialize lowp float blur\n    #pragma mapbox: initialize lowp float opacity\n\n    // unencode the extrusion vector that we snuck into the a_pos vector\n    v_extrude = vec2(mod(a_pos, 2.0) * 2.0 - 1.0);\n\n    vec2 extrude = v_extrude * radius * u_extrude_scale;\n    // multiply a_pos by 0.5, since we had it * 2 in order to sneak\n    // in extrusion data\n    gl_Position = u_matrix * vec4(floor(a_pos * 0.5), 0, 1);\n\n    if (u_scale_with_map) {\n        gl_Position.xy += extrude;\n    } else {\n        gl_Position.xy += extrude * gl_Position.w;\n    }\n\n    // This is a minimum blur distance that serves as a faux-antialiasing for\n    // the circle. since blur is a ratio of the circle's size and the intent is\n    // to keep the blur at roughly 1px, the two are inversely related.\n    v_antialiasblur = 1.0 / u_devicepixelratio / radius;\n}\n"},collisionBox:{fragmentSource:"uniform float u_zoom;\nuniform float u_maxzoom;\n\nvarying float v_max_zoom;\nvarying float v_placement_zoom;\n\nvoid main() {\n\n    float alpha = 0.5;\n\n    gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0) * alpha;\n\n    if (v_placement_zoom > u_zoom) {\n        gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0) * alpha;\n    }\n\n    if (u_zoom >= v_max_zoom) {\n        gl_FragColor = vec4(0.0, 0.0, 0.0, 1.0) * alpha * 0.25;\n    }\n\n    if (v_placement_zoom >= u_maxzoom) {\n        gl_FragColor = vec4(0.0, 0.0, 1.0, 1.0) * alpha * 0.2;\n    }\n}\n",vertexSource:"attribute vec2 a_pos;\nattribute vec2 a_extrude;\nattribute vec2 a_data;\n\nuniform mat4 u_matrix;\nuniform float u_scale;\n\nvarying float v_max_zoom;\nvarying float v_placement_zoom;\n\nvoid main() {\n    gl_Position = u_matrix * vec4(a_pos + a_extrude / u_scale, 0.0, 1.0);\n\n    v_max_zoom = a_data.x;\n    v_placement_zoom = a_data.y;\n}\n"},debug:{fragmentSource:"uniform lowp vec4 u_color;\n\nvoid main() {\n    gl_FragColor = u_color;\n}\n",vertexSource:"attribute vec2 a_pos;\n\nuniform mat4 u_matrix;\n\nvoid main() {\n    gl_Position = u_matrix * vec4(a_pos, step(32767.0, a_pos.x), 1);\n}\n"},fill:{fragmentSource:"#pragma mapbox: define lowp vec4 color\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 color\n    #pragma mapbox: initialize lowp float opacity\n\n    gl_FragColor = color * opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"attribute vec2 a_pos;\n\nuniform mat4 u_matrix;\n\n#pragma mapbox: define lowp vec4 color\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 color\n    #pragma mapbox: initialize lowp float opacity\n\n    gl_Position = u_matrix * vec4(a_pos, 0, 1);\n}\n"},fillOutline:{fragmentSource:"#pragma mapbox: define lowp vec4 outline_color\n#pragma mapbox: define lowp float opacity\n\nvarying vec2 v_pos;\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 outline_color\n    #pragma mapbox: initialize lowp float opacity\n\n    float dist = length(v_pos - gl_FragCoord.xy);\n    float alpha = smoothstep(1.0, 0.0, dist);\n    gl_FragColor = outline_color * (alpha * opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"attribute vec2 a_pos;\n\nuniform mat4 u_matrix;\nuniform vec2 u_world;\n\nvarying vec2 v_pos;\n\n#pragma mapbox: define lowp vec4 outline_color\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 outline_color\n    #pragma mapbox: initialize lowp float opacity\n\n    gl_Position = u_matrix * vec4(a_pos, 0, 1);\n    v_pos = (gl_Position.xy / gl_Position.w + 1.0) / 2.0 * u_world;\n}\n"},fillOutlinePattern:{fragmentSource:"uniform vec2 u_pattern_tl_a;\nuniform vec2 u_pattern_br_a;\nuniform vec2 u_pattern_tl_b;\nuniform vec2 u_pattern_br_b;\nuniform float u_mix;\n\nuniform sampler2D u_image;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\nvarying vec2 v_pos;\n\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n    #pragma mapbox: initialize lowp float opacity\n\n    vec2 imagecoord = mod(v_pos_a, 1.0);\n    vec2 pos = mix(u_pattern_tl_a, u_pattern_br_a, imagecoord);\n    vec4 color1 = texture2D(u_image, pos);\n\n    vec2 imagecoord_b = mod(v_pos_b, 1.0);\n    vec2 pos2 = mix(u_pattern_tl_b, u_pattern_br_b, imagecoord_b);\n    vec4 color2 = texture2D(u_image, pos2);\n\n    // find distance to outline for alpha interpolation\n\n    float dist = length(v_pos - gl_FragCoord.xy);\n    float alpha = smoothstep(1.0, 0.0, dist);\n\n\n    gl_FragColor = mix(color1, color2, u_mix) * alpha * opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"uniform mat4 u_matrix;\nuniform vec2 u_world;\nuniform vec2 u_pattern_size_a;\nuniform vec2 u_pattern_size_b;\nuniform vec2 u_pixel_coord_upper;\nuniform vec2 u_pixel_coord_lower;\nuniform float u_scale_a;\nuniform float u_scale_b;\nuniform float u_tile_units_to_pixels;\n\nattribute vec2 a_pos;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\nvarying vec2 v_pos;\n\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n    #pragma mapbox: initialize lowp float opacity\n\n    gl_Position = u_matrix * vec4(a_pos, 0, 1);\n\n    v_pos_a = get_pattern_pos(u_pixel_coord_upper, u_pixel_coord_lower, u_scale_a * u_pattern_size_a, u_tile_units_to_pixels, a_pos);\n    v_pos_b = get_pattern_pos(u_pixel_coord_upper, u_pixel_coord_lower, u_scale_b * u_pattern_size_b, u_tile_units_to_pixels, a_pos);\n\n    v_pos = (gl_Position.xy / gl_Position.w + 1.0) / 2.0 * u_world;\n}\n"},fillPattern:{fragmentSource:"uniform vec2 u_pattern_tl_a;\nuniform vec2 u_pattern_br_a;\nuniform vec2 u_pattern_tl_b;\nuniform vec2 u_pattern_br_b;\nuniform float u_mix;\n\nuniform sampler2D u_image;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\n\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n    #pragma mapbox: initialize lowp float opacity\n\n    vec2 imagecoord = mod(v_pos_a, 1.0);\n    vec2 pos = mix(u_pattern_tl_a, u_pattern_br_a, imagecoord);\n    vec4 color1 = texture2D(u_image, pos);\n\n    vec2 imagecoord_b = mod(v_pos_b, 1.0);\n    vec2 pos2 = mix(u_pattern_tl_b, u_pattern_br_b, imagecoord_b);\n    vec4 color2 = texture2D(u_image, pos2);\n\n    gl_FragColor = mix(color1, color2, u_mix) * opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"uniform mat4 u_matrix;\nuniform vec2 u_pattern_size_a;\nuniform vec2 u_pattern_size_b;\nuniform vec2 u_pixel_coord_upper;\nuniform vec2 u_pixel_coord_lower;\nuniform float u_scale_a;\nuniform float u_scale_b;\nuniform float u_tile_units_to_pixels;\n\nattribute vec2 a_pos;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\n\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n    #pragma mapbox: initialize lowp float opacity\n\n    gl_Position = u_matrix * vec4(a_pos, 0, 1);\n\n    v_pos_a = get_pattern_pos(u_pixel_coord_upper, u_pixel_coord_lower, u_scale_a * u_pattern_size_a, u_tile_units_to_pixels, a_pos);\n    v_pos_b = get_pattern_pos(u_pixel_coord_upper, u_pixel_coord_lower, u_scale_b * u_pattern_size_b, u_tile_units_to_pixels, a_pos);\n}\n"},fillExtrusion:{fragmentSource:"varying vec4 v_color;\n#pragma mapbox: define lowp float base\n#pragma mapbox: define lowp float height\n#pragma mapbox: define lowp vec4 color\n\nvoid main() {\n    #pragma mapbox: initialize lowp float base\n    #pragma mapbox: initialize lowp float height\n    #pragma mapbox: initialize lowp vec4 color\n\n    gl_FragColor = v_color;\n}\n",vertexSource:"uniform mat4 u_matrix;\nuniform vec3 u_lightcolor;\nuniform lowp vec3 u_lightpos;\nuniform lowp float u_lightintensity;\nuniform lowp vec4 u_outline_color;\n\nattribute vec2 a_pos;\nattribute vec3 a_normal;\nattribute float a_edgedistance;\n\nvarying vec4 v_color;\n\n#pragma mapbox: define lowp float base\n#pragma mapbox: define lowp float height\n\n#pragma mapbox: define lowp vec4 color\n\nvoid main() {\n    #pragma mapbox: initialize lowp float base\n    #pragma mapbox: initialize lowp float height\n    #pragma mapbox: initialize lowp vec4 color\n\n    float ed = a_edgedistance; // use each attrib in order to not trip a VAO assert\n    float t = mod(a_normal.x, 2.0);\n\n    gl_Position = u_matrix * vec4(a_pos, t > 0.0 ? height : base, 1);\n\n#ifdef OUTLINE\n    color = u_outline_color;\n#endif\n\n    // Relative luminance (how dark/bright is the surface color?)\n    float colorvalue = color.r * 0.2126 + color.g * 0.7152 + color.b * 0.0722;\n\n    v_color = vec4(0.0, 0.0, 0.0, 1.0);\n\n    // Add slight ambient lighting so no extrusions are totally black\n    vec4 ambientlight = vec4(0.03, 0.03, 0.03, 1.0);\n    color += ambientlight;\n\n    // Calculate cos(theta), where theta is the angle between surface normal and diffuse light ray\n    float directional = clamp(dot(a_normal / 16384.0, u_lightpos), 0.0, 1.0);\n\n    // Adjust directional so that\n    // the range of values for highlight/shading is narrower\n    // with lower light intensity\n    // and with lighter/brighter surface colors\n    directional = mix((1.0 - u_lightintensity), max((1.0 - colorvalue + u_lightintensity), 1.0), directional);\n\n    // Add gradient along z axis of side surfaces\n    if (a_normal.y != 0.0) {\n        directional *= clamp((t + base) * pow(height / 150.0, 0.5), mix(0.7, 0.98, 1.0 - u_lightintensity), 1.0);\n    }\n\n    // Assign final color based on surface + ambient light color, diffuse light directional, and light color\n    // with lower bounds adjusted to hue of light\n    // so that shading is tinted with the complementary (opposite) color to the light color\n    v_color.r += clamp(color.r * directional * u_lightcolor.r, mix(0.0, 0.3, 1.0 - u_lightcolor.r), 1.0);\n    v_color.g += clamp(color.g * directional * u_lightcolor.g, mix(0.0, 0.3, 1.0 - u_lightcolor.g), 1.0);\n    v_color.b += clamp(color.b * directional * u_lightcolor.b, mix(0.0, 0.3, 1.0 - u_lightcolor.b), 1.0);\n}\n"},fillExtrusionPattern:{fragmentSource:"uniform vec2 u_pattern_tl_a;\nuniform vec2 u_pattern_br_a;\nuniform vec2 u_pattern_tl_b;\nuniform vec2 u_pattern_br_b;\nuniform float u_mix;\n\nuniform sampler2D u_image;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\nvarying vec4 v_lighting;\n\n#pragma mapbox: define lowp float base\n#pragma mapbox: define lowp float height\n\nvoid main() {\n    #pragma mapbox: initialize lowp float base\n    #pragma mapbox: initialize lowp float height\n\n    vec2 imagecoord = mod(v_pos_a, 1.0);\n    vec2 pos = mix(u_pattern_tl_a, u_pattern_br_a, imagecoord);\n    vec4 color1 = texture2D(u_image, pos);\n\n    vec2 imagecoord_b = mod(v_pos_b, 1.0);\n    vec2 pos2 = mix(u_pattern_tl_b, u_pattern_br_b, imagecoord_b);\n    vec4 color2 = texture2D(u_image, pos2);\n\n    vec4 mixedColor = mix(color1, color2, u_mix);\n\n    gl_FragColor = mixedColor * v_lighting;\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"uniform mat4 u_matrix;\nuniform vec2 u_pattern_size_a;\nuniform vec2 u_pattern_size_b;\nuniform vec2 u_pixel_coord_upper;\nuniform vec2 u_pixel_coord_lower;\nuniform float u_scale_a;\nuniform float u_scale_b;\nuniform float u_tile_units_to_pixels;\nuniform float u_height_factor;\n\nuniform vec3 u_lightcolor;\nuniform lowp vec3 u_lightpos;\nuniform lowp float u_lightintensity;\n\nattribute vec2 a_pos;\nattribute vec3 a_normal;\nattribute float a_edgedistance;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\nvarying vec4 v_lighting;\nvarying float v_directional;\n\n#pragma mapbox: define lowp float base\n#pragma mapbox: define lowp float height\n\nvoid main() {\n    #pragma mapbox: initialize lowp float base\n    #pragma mapbox: initialize lowp float height\n\n    float t = mod(a_normal.x, 2.0);\n    float z = t > 0.0 ? height : base;\n\n    gl_Position = u_matrix * vec4(a_pos, z, 1);\n\n    vec2 pos = a_normal.x == 1.0 && a_normal.y == 0.0 && a_normal.z == 16384.0\n        ? a_pos // extrusion top\n        : vec2(a_edgedistance, z * u_height_factor); // extrusion side\n\n    v_pos_a = get_pattern_pos(u_pixel_coord_upper, u_pixel_coord_lower, u_scale_a * u_pattern_size_a, u_tile_units_to_pixels, pos);\n    v_pos_b = get_pattern_pos(u_pixel_coord_upper, u_pixel_coord_lower, u_scale_b * u_pattern_size_b, u_tile_units_to_pixels, pos);\n\n    v_lighting = vec4(0.0, 0.0, 0.0, 1.0);\n    float directional = clamp(dot(a_normal / 16383.0, u_lightpos), 0.0, 1.0);\n    directional = mix((1.0 - u_lightintensity), max((0.5 + u_lightintensity), 1.0), directional);\n\n    if (a_normal.y != 0.0) {\n        directional *= clamp((t + base) * pow(height / 150.0, 0.5), mix(0.7, 0.98, 1.0 - u_lightintensity), 1.0);\n    }\n\n    v_lighting.rgb += clamp(directional * u_lightcolor, mix(vec3(0.0), vec3(0.3), 1.0 - u_lightcolor), vec3(1.0));\n}\n"},extrusionTexture:{fragmentSource:"uniform sampler2D u_texture;\nuniform float u_opacity;\n\nvarying vec2 v_pos;\n\nvoid main() {\n    gl_FragColor = texture2D(u_texture, v_pos) * u_opacity;\n}\n",vertexSource:"uniform mat4 u_matrix;\nuniform int u_xdim;\nuniform int u_ydim;\nattribute vec2 a_pos;\nvarying vec2 v_pos;\n\nvoid main() {\n    gl_Position = u_matrix * vec4(a_pos, 0, 1);\n\n    v_pos.x = a_pos.x / float(u_xdim);\n    v_pos.y = 1.0 - a_pos.y / float(u_ydim);\n}\n"},line:{fragmentSource:"uniform lowp float u_opacity;\nuniform float u_blur;\n\n#pragma mapbox: define lowp vec4 color\n\nvarying vec2 v_linewidth;\nvarying vec2 v_normal;\nvarying float v_gamma_scale;\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 color\n\n    // Calculate the distance of the pixel from the line in pixels.\n    float dist = length(v_normal) * v_linewidth.s;\n\n    // Calculate the antialiasing fade factor. This is either when fading in\n    // the line in case of an offset line (v_linewidth.t) or when fading out\n    // (v_linewidth.s)\n    float blur = u_blur * v_gamma_scale;\n    float alpha = clamp(min(dist - (v_linewidth.t - blur), v_linewidth.s - dist) / blur, 0.0, 1.0);\n\n    gl_FragColor = color * (alpha * u_opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"// floor(127 / 2) == 63.0\n// the maximum allowed miter limit is 2.0 at the moment. the extrude normal is\n// stored in a byte (-128..127). we scale regular normals up to length 63, but\n// there are also \"special\" normals that have a bigger length (of up to 126 in\n// this case).\n// #define scale 63.0\n#define scale 0.015873016\n\nattribute vec2 a_pos;\nattribute vec4 a_data;\n\nuniform mat4 u_matrix;\nuniform mediump float u_ratio;\nuniform mediump float u_linewidth;\nuniform mediump float u_gapwidth;\nuniform mediump float u_antialiasing;\nuniform mediump float u_extra;\nuniform mat2 u_antialiasingmatrix;\nuniform mediump float u_offset;\nuniform mediump float u_blur;\n\nvarying vec2 v_normal;\nvarying vec2 v_linewidth;\nvarying float v_gamma_scale;\n\n#pragma mapbox: define lowp vec4 color\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 color\n\n    vec2 a_extrude = a_data.xy - 128.0;\n    float a_direction = mod(a_data.z, 4.0) - 1.0;\n\n    // We store the texture normals in the most insignificant bit\n    // transform y so that 0 => -1 and 1 => 1\n    // In the texture normal, x is 0 if the normal points straight up/down and 1 if it's a round cap\n    // y is 1 if the normal points up, and -1 if it points down\n    mediump vec2 normal = mod(a_pos, 2.0);\n    normal.y = sign(normal.y - 0.5);\n    v_normal = normal;\n\n    float inset = u_gapwidth + (u_gapwidth > 0.0 ? u_antialiasing : 0.0);\n    float outset = u_gapwidth + u_linewidth * (u_gapwidth > 0.0 ? 2.0 : 1.0) + u_antialiasing;\n\n    // Scale the extrusion vector down to a normal and then up by the line width\n    // of this vertex.\n    mediump vec2 dist = outset * a_extrude * scale;\n\n    // Calculate the offset when drawing a line that is to the side of the actual line.\n    // We do this by creating a vector that points towards the extrude, but rotate\n    // it when we're drawing round end points (a_direction = -1 or 1) since their\n    // extrude vector points in another direction.\n    mediump float u = 0.5 * a_direction;\n    mediump float t = 1.0 - abs(u);\n    mediump vec2 offset = u_offset * a_extrude * scale * normal.y * mat2(t, -u, u, t);\n\n    // Remove the texture normal bit of the position before scaling it with the\n    // model/view matrix.\n    gl_Position = u_matrix * vec4(floor(a_pos * 0.5) + (offset + dist) / u_ratio, 0.0, 1.0);\n\n    // position of y on the screen\n    float y = gl_Position.y / gl_Position.w;\n\n    // how much features are squished in the y direction by the tilt\n    float squish_scale = length(a_extrude) / length(u_antialiasingmatrix * a_extrude);\n\n    // how much features are squished in all directions by the perspectiveness\n    float perspective_scale = 1.0 / (1.0 - min(y * u_extra, 0.9));\n\n    v_linewidth = vec2(outset, inset);\n    v_gamma_scale = perspective_scale * squish_scale;\n}\n"},linePattern:{fragmentSource:"uniform float u_blur;\n\nuniform vec2 u_pattern_size_a;\nuniform vec2 u_pattern_size_b;\nuniform vec2 u_pattern_tl_a;\nuniform vec2 u_pattern_br_a;\nuniform vec2 u_pattern_tl_b;\nuniform vec2 u_pattern_br_b;\nuniform float u_fade;\nuniform float u_opacity;\n\nuniform sampler2D u_image;\n\nvarying vec2 v_normal;\nvarying vec2 v_linewidth;\nvarying float v_linesofar;\nvarying float v_gamma_scale;\n\nvoid main() {\n    // Calculate the distance of the pixel from the line in pixels.\n    float dist = length(v_normal) * v_linewidth.s;\n\n    // Calculate the antialiasing fade factor. This is either when fading in\n    // the line in case of an offset line (v_linewidth.t) or when fading out\n    // (v_linewidth.s)\n    float blur = u_blur * v_gamma_scale;\n    float alpha = clamp(min(dist - (v_linewidth.t - blur), v_linewidth.s - dist) / blur, 0.0, 1.0);\n\n    float x_a = mod(v_linesofar / u_pattern_size_a.x, 1.0);\n    float x_b = mod(v_linesofar / u_pattern_size_b.x, 1.0);\n    float y_a = 0.5 + (v_normal.y * v_linewidth.s / u_pattern_size_a.y);\n    float y_b = 0.5 + (v_normal.y * v_linewidth.s / u_pattern_size_b.y);\n    vec2 pos_a = mix(u_pattern_tl_a, u_pattern_br_a, vec2(x_a, y_a));\n    vec2 pos_b = mix(u_pattern_tl_b, u_pattern_br_b, vec2(x_b, y_b));\n\n    vec4 color = mix(texture2D(u_image, pos_a), texture2D(u_image, pos_b), u_fade);\n\n    alpha *= u_opacity;\n\n    gl_FragColor = color * alpha;\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"// floor(127 / 2) == 63.0\n// the maximum allowed miter limit is 2.0 at the moment. the extrude normal is\n// stored in a byte (-128..127). we scale regular normals up to length 63, but\n// there are also \"special\" normals that have a bigger length (of up to 126 in\n// this case).\n// #define scale 63.0\n#define scale 0.015873016\n\n// We scale the distance before adding it to the buffers so that we can store\n// long distances for long segments. Use this value to unscale the distance.\n#define LINE_DISTANCE_SCALE 2.0\n\nattribute vec2 a_pos;\nattribute vec4 a_data;\n\nuniform mat4 u_matrix;\nuniform mediump float u_ratio;\nuniform mediump float u_linewidth;\nuniform mediump float u_gapwidth;\nuniform mediump float u_antialiasing;\nuniform mediump float u_extra;\nuniform mat2 u_antialiasingmatrix;\nuniform mediump float u_offset;\n\nvarying vec2 v_normal;\nvarying vec2 v_linewidth;\nvarying float v_linesofar;\nvarying float v_gamma_scale;\n\nvoid main() {\n    vec2 a_extrude = a_data.xy - 128.0;\n    float a_direction = mod(a_data.z, 4.0) - 1.0;\n    float a_linesofar = (floor(a_data.z / 4.0) + a_data.w * 64.0) * LINE_DISTANCE_SCALE;\n\n    // We store the texture normals in the most insignificant bit\n    // transform y so that 0 => -1 and 1 => 1\n    // In the texture normal, x is 0 if the normal points straight up/down and 1 if it's a round cap\n    // y is 1 if the normal points up, and -1 if it points down\n    mediump vec2 normal = mod(a_pos, 2.0);\n    normal.y = sign(normal.y - 0.5);\n    v_normal = normal;\n\n    float inset = u_gapwidth + (u_gapwidth > 0.0 ? u_antialiasing : 0.0);\n    float outset = u_gapwidth + u_linewidth * (u_gapwidth > 0.0 ? 2.0 : 1.0) + u_antialiasing;\n\n    // Scale the extrusion vector down to a normal and then up by the line width\n    // of this vertex.\n    mediump vec2 dist = outset * a_extrude * scale;\n\n    // Calculate the offset when drawing a line that is to the side of the actual line.\n    // We do this by creating a vector that points towards the extrude, but rotate\n    // it when we're drawing round end points (a_direction = -1 or 1) since their\n    // extrude vector points in another direction.\n    mediump float u = 0.5 * a_direction;\n    mediump float t = 1.0 - abs(u);\n    mediump vec2 offset = u_offset * a_extrude * scale * normal.y * mat2(t, -u, u, t);\n\n    // Remove the texture normal bit of the position before scaling it with the\n    // model/view matrix.\n    gl_Position = u_matrix * vec4(floor(a_pos * 0.5) + (offset + dist) / u_ratio, 0.0, 1.0);\n    v_linesofar = a_linesofar;\n\n    // position of y on the screen\n    float y = gl_Position.y / gl_Position.w;\n\n    // how much features are squished in the y direction by the tilt\n    float squish_scale = length(a_extrude) / length(u_antialiasingmatrix * a_extrude);\n\n    // how much features are squished in all directions by the perspectiveness\n    float perspective_scale = 1.0 / (1.0 - min(y * u_extra, 0.9));\n\n    v_linewidth = vec2(outset, inset);\n    v_gamma_scale = perspective_scale * squish_scale;\n}\n"},lineSDF:{fragmentSource:"uniform lowp float u_opacity;\n\nuniform float u_blur;\nuniform sampler2D u_image;\nuniform float u_sdfgamma;\nuniform float u_mix;\n\nvarying vec2 v_normal;\nvarying vec2 v_linewidth;\nvarying vec2 v_tex_a;\nvarying vec2 v_tex_b;\nvarying float v_gamma_scale;\n\n#pragma mapbox: define lowp vec4 color\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 color\n\n    // Calculate the distance of the pixel from the line in pixels.\n    float dist = length(v_normal) * v_linewidth.s;\n\n    // Calculate the antialiasing fade factor. This is either when fading in\n    // the line in case of an offset line (v_linewidth.t) or when fading out\n    // (v_linewidth.s)\n    float blur = u_blur * v_gamma_scale;\n    float alpha = clamp(min(dist - (v_linewidth.t - blur), v_linewidth.s - dist) / blur, 0.0, 1.0);\n\n    float sdfdist_a = texture2D(u_image, v_tex_a).a;\n    float sdfdist_b = texture2D(u_image, v_tex_b).a;\n    float sdfdist = mix(sdfdist_a, sdfdist_b, u_mix);\n    alpha *= smoothstep(0.5 - u_sdfgamma, 0.5 + u_sdfgamma, sdfdist);\n\n    gl_FragColor = color * (alpha * u_opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"// floor(127 / 2) == 63.0\n// the maximum allowed miter limit is 2.0 at the moment. the extrude normal is\n// stored in a byte (-128..127). we scale regular normals up to length 63, but\n// there are also \"special\" normals that have a bigger length (of up to 126 in\n// this case).\n// #define scale 63.0\n#define scale 0.015873016\n\n// We scale the distance before adding it to the buffers so that we can store\n// long distances for long segments. Use this value to unscale the distance.\n#define LINE_DISTANCE_SCALE 2.0\n\nattribute vec2 a_pos;\nattribute vec4 a_data;\n\nuniform mat4 u_matrix;\nuniform mediump float u_ratio;\nuniform mediump float u_linewidth;\nuniform mediump float u_gapwidth;\nuniform mediump float u_antialiasing;\nuniform vec2 u_patternscale_a;\nuniform float u_tex_y_a;\nuniform vec2 u_patternscale_b;\nuniform float u_tex_y_b;\nuniform float u_extra;\nuniform mat2 u_antialiasingmatrix;\nuniform mediump float u_offset;\n\nvarying vec2 v_normal;\nvarying vec2 v_linewidth;\nvarying vec2 v_tex_a;\nvarying vec2 v_tex_b;\nvarying float v_gamma_scale;\n\n#pragma mapbox: define lowp vec4 color\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 color\n\n    vec2 a_extrude = a_data.xy - 128.0;\n    float a_direction = mod(a_data.z, 4.0) - 1.0;\n    float a_linesofar = (floor(a_data.z / 4.0) + a_data.w * 64.0) * LINE_DISTANCE_SCALE;\n\n    // We store the texture normals in the most insignificant bit\n    // transform y so that 0 => -1 and 1 => 1\n    // In the texture normal, x is 0 if the normal points straight up/down and 1 if it's a round cap\n    // y is 1 if the normal points up, and -1 if it points down\n    mediump vec2 normal = mod(a_pos, 2.0);\n    normal.y = sign(normal.y - 0.5);\n    v_normal = normal;\n\n    float inset = u_gapwidth + (u_gapwidth > 0.0 ? u_antialiasing : 0.0);\n    float outset = u_gapwidth + u_linewidth * (u_gapwidth > 0.0 ? 2.0 : 1.0) + u_antialiasing;\n\n    // Scale the extrusion vector down to a normal and then up by the line width\n    // of this vertex.\n    mediump vec2 dist = outset * a_extrude * scale;\n\n    // Calculate the offset when drawing a line that is to the side of the actual line.\n    // We do this by creating a vector that points towards the extrude, but rotate\n    // it when we're drawing round end points (a_direction = -1 or 1) since their\n    // extrude vector points in another direction.\n    mediump float u = 0.5 * a_direction;\n    mediump float t = 1.0 - abs(u);\n    mediump vec2 offset = u_offset * a_extrude * scale * normal.y * mat2(t, -u, u, t);\n\n    // Remove the texture normal bit of the position before scaling it with the\n    // model/view matrix.\n    gl_Position = u_matrix * vec4(floor(a_pos * 0.5) + (offset + dist) / u_ratio, 0.0, 1.0);\n\n    v_tex_a = vec2(a_linesofar * u_patternscale_a.x, normal.y * u_patternscale_a.y + u_tex_y_a);\n    v_tex_b = vec2(a_linesofar * u_patternscale_b.x, normal.y * u_patternscale_b.y + u_tex_y_b);\n\n    // position of y on the screen\n    float y = gl_Position.y / gl_Position.w;\n\n    // how much features are squished in the y direction by the tilt\n    float squish_scale = length(a_extrude) / length(u_antialiasingmatrix * a_extrude);\n\n    // how much features are squished in all directions by the perspectiveness\n    float perspective_scale = 1.0 / (1.0 - min(y * u_extra, 0.9));\n\n    v_linewidth = vec2(outset, inset);\n    v_gamma_scale = perspective_scale * squish_scale;\n}\n"},raster:{fragmentSource:"uniform float u_opacity0;\nuniform float u_opacity1;\nuniform sampler2D u_image0;\nuniform sampler2D u_image1;\nvarying vec2 v_pos0;\nvarying vec2 v_pos1;\n\nuniform float u_brightness_low;\nuniform float u_brightness_high;\n\nuniform float u_saturation_factor;\nuniform float u_contrast_factor;\nuniform vec3 u_spin_weights;\n\nvoid main() {\n\n    // read and cross-fade colors from the main and parent tiles\n    vec4 color0 = texture2D(u_image0, v_pos0);\n    vec4 color1 = texture2D(u_image1, v_pos1);\n    vec4 color = color0 * u_opacity0 + color1 * u_opacity1;\n    vec3 rgb = color.rgb;\n\n    // spin\n    rgb = vec3(\n        dot(rgb, u_spin_weights.xyz),\n        dot(rgb, u_spin_weights.zxy),\n        dot(rgb, u_spin_weights.yzx));\n\n    // saturation\n    float average = (color.r + color.g + color.b) / 3.0;\n    rgb += (average - rgb) * u_saturation_factor;\n\n    // contrast\n    rgb = (rgb - 0.5) * u_contrast_factor + 0.5;\n\n    // brightness\n    vec3 u_high_vec = vec3(u_brightness_low, u_brightness_low, u_brightness_low);\n    vec3 u_low_vec = vec3(u_brightness_high, u_brightness_high, u_brightness_high);\n\n    gl_FragColor = vec4(mix(u_high_vec, u_low_vec, rgb), color.a);\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"uniform mat4 u_matrix;\nuniform vec2 u_tl_parent;\nuniform float u_scale_parent;\nuniform float u_buffer_scale;\n\nattribute vec2 a_pos;\nattribute vec2 a_texture_pos;\n\nvarying vec2 v_pos0;\nvarying vec2 v_pos1;\n\nvoid main() {\n    gl_Position = u_matrix * vec4(a_pos, 0, 1);\n    v_pos0 = (((a_texture_pos / 32767.0) - 0.5) / u_buffer_scale ) + 0.5;\n    v_pos1 = (v_pos0 * u_scale_parent) + u_tl_parent;\n}\n"},symbolIcon:{fragmentSource:"uniform sampler2D u_texture;\nuniform sampler2D u_fadetexture;\nuniform lowp float u_opacity;\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\n\nvoid main() {\n    lowp float alpha = texture2D(u_fadetexture, v_fade_tex).a * u_opacity;\n    gl_FragColor = texture2D(u_texture, v_tex) * alpha;\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"attribute vec2 a_pos;\nattribute vec2 a_offset;\nattribute vec2 a_texture_pos;\nattribute vec4 a_data;\n\n\n// matrix is for the vertex position.\nuniform mat4 u_matrix;\n\nuniform mediump float u_zoom;\nuniform bool u_rotate_with_map;\nuniform vec2 u_extrude_scale;\n\nuniform vec2 u_texsize;\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\n\nvoid main() {\n    vec2 a_tex = a_texture_pos.xy;\n    mediump float a_labelminzoom = a_data[0];\n    mediump vec2 a_zoom = a_data.pq;\n    mediump float a_minzoom = a_zoom[0];\n    mediump float a_maxzoom = a_zoom[1];\n\n    // u_zoom is the current zoom level adjusted for the change in font size\n    mediump float z = 2.0 - step(a_minzoom, u_zoom) - (1.0 - step(a_maxzoom, u_zoom));\n\n    vec2 extrude = u_extrude_scale * (a_offset / 64.0);\n    if (u_rotate_with_map) {\n        gl_Position = u_matrix * vec4(a_pos + extrude, 0, 1);\n        gl_Position.z += z * gl_Position.w;\n    } else {\n        gl_Position = u_matrix * vec4(a_pos, 0, 1) + vec4(extrude, 0, 0);\n    }\n\n    v_tex = a_tex / u_texsize;\n    v_fade_tex = vec2(a_labelminzoom / 255.0, 0.0);\n}\n"
+},symbolSDF:{fragmentSource:"uniform sampler2D u_texture;\nuniform sampler2D u_fadetexture;\nuniform lowp vec4 u_color;\nuniform lowp float u_opacity;\nuniform lowp float u_buffer;\nuniform lowp float u_gamma;\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\nvarying float v_gamma_scale;\n\nvoid main() {\n    lowp float dist = texture2D(u_texture, v_tex).a;\n    lowp float fade_alpha = texture2D(u_fadetexture, v_fade_tex).a;\n    lowp float gamma = u_gamma * v_gamma_scale;\n    lowp float alpha = smoothstep(u_buffer - gamma, u_buffer + gamma, dist) * fade_alpha;\n\n    gl_FragColor = u_color * (alpha * u_opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"const float PI = 3.141592653589793;\n\nattribute vec2 a_pos;\nattribute vec2 a_offset;\nattribute vec2 a_texture_pos;\nattribute vec4 a_data;\n\n\n// matrix is for the vertex position.\nuniform mat4 u_matrix;\n\nuniform mediump float u_zoom;\nuniform bool u_rotate_with_map;\nuniform bool u_pitch_with_map;\nuniform mediump float u_pitch;\nuniform mediump float u_bearing;\nuniform mediump float u_aspect_ratio;\nuniform vec2 u_extrude_scale;\n\nuniform vec2 u_texsize;\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\nvarying float v_gamma_scale;\n\nvoid main() {\n    vec2 a_tex = a_texture_pos.xy;\n    mediump float a_labelminzoom = a_data[0];\n    mediump vec2 a_zoom = a_data.pq;\n    mediump float a_minzoom = a_zoom[0];\n    mediump float a_maxzoom = a_zoom[1];\n\n    // u_zoom is the current zoom level adjusted for the change in font size\n    mediump float z = 2.0 - step(a_minzoom, u_zoom) - (1.0 - step(a_maxzoom, u_zoom));\n\n    // pitch-alignment: map\n    // rotation-alignment: map | viewport\n    if (u_pitch_with_map) {\n        lowp float angle = u_rotate_with_map ? (a_data[1] / 256.0 * 2.0 * PI) : u_bearing;\n        lowp float asin = sin(angle);\n        lowp float acos = cos(angle);\n        mat2 RotationMatrix = mat2(acos, asin, -1.0 * asin, acos);\n        vec2 offset = RotationMatrix * a_offset;\n        vec2 extrude = u_extrude_scale * (offset / 64.0);\n        gl_Position = u_matrix * vec4(a_pos + extrude, 0, 1);\n        gl_Position.z += z * gl_Position.w;\n    // pitch-alignment: viewport\n    // rotation-alignment: map\n    } else if (u_rotate_with_map) {\n        // foreshortening factor to apply on pitched maps\n        // as a label goes from horizontal <=> vertical in angle\n        // it goes from 0% foreshortening to up to around 70% foreshortening\n        lowp float pitchfactor = 1.0 - cos(u_pitch * sin(u_pitch * 0.75));\n\n        lowp float lineangle = a_data[1] / 256.0 * 2.0 * PI;\n\n        // use the lineangle to position points a,b along the line\n        // project the points and calculate the label angle in projected space\n        // this calculation allows labels to be rendered unskewed on pitched maps\n        vec4 a = u_matrix * vec4(a_pos, 0, 1);\n        vec4 b = u_matrix * vec4(a_pos + vec2(cos(lineangle),sin(lineangle)), 0, 1);\n        lowp float angle = atan((b[1]/b[3] - a[1]/a[3])/u_aspect_ratio, b[0]/b[3] - a[0]/a[3]);\n        lowp float asin = sin(angle);\n        lowp float acos = cos(angle);\n        mat2 RotationMatrix = mat2(acos, -1.0 * asin, asin, acos);\n\n        vec2 offset = RotationMatrix * (vec2((1.0-pitchfactor)+(pitchfactor*cos(angle*2.0)), 1.0) * a_offset);\n        vec2 extrude = u_extrude_scale * (offset / 64.0);\n        gl_Position = u_matrix * vec4(a_pos, 0, 1) + vec4(extrude, 0, 0);\n        gl_Position.z += z * gl_Position.w;\n    // pitch-alignment: viewport\n    // rotation-alignment: viewport\n    } else {\n        vec2 extrude = u_extrude_scale * (a_offset / 64.0);\n        gl_Position = u_matrix * vec4(a_pos, 0, 1) + vec4(extrude, 0, 0);\n    }\n\n    v_gamma_scale = (gl_Position.w - 0.5);\n\n    v_tex = a_tex / u_texsize;\n    v_fade_tex = vec2(a_labelminzoom / 255.0, 0.0);\n}\n"}};
+},{"path":191}],163:[function(require,module,exports){
+"use strict";function deref(r,e){var t={};for(var f in r)"ref"!==f&&(t[f]=r[f]);return refProperties.forEach(function(r){r in e&&(t[r]=e[r])}),t}var refProperties=require("./util/ref_properties");module.exports=function(r){r=r.slice();var e,t=Object.create(null);for(e=0;e<r.length;e++)t[r[e].id]=r[e];for(e=0;e<r.length;e++)"ref"in r[e]&&(r[e]=deref(r[e],t[r[e].ref]));return r};
+},{"./util/ref_properties":168}],164:[function(require,module,exports){
+"use strict";function ValidationError(r,i){this.message=(r?r+": ":"")+format.apply(format,Array.prototype.slice.call(arguments,2)),null!==i&&void 0!==i&&i.__line__&&(this.line=i.__line__)}var format=require("util").format;module.exports=ValidationError;
+},{"util":203}],165:[function(require,module,exports){
+"use strict";function key(r){return stringify(refProperties.map(function(e){return r[e]}))}var refProperties=require("./util/ref_properties"),stringify=require("fast-stable-stringify");module.exports=function(r){var e,t,i={};for(e=0;e<r.length;e++){t=key(r[e]);var n=i[t];n||(n=i[t]=[]),n.push(r[e])}var s=[];for(t in i)s.push(i[t]);return s};
+},{"./util/ref_properties":168,"fast-stable-stringify":132}],166:[function(require,module,exports){
+"use strict";module.exports=function(r){for(var t=1;t<arguments.length;t++){var e=arguments[t];for(var n in e)r[n]=e[n]}return r};
+},{}],167:[function(require,module,exports){
+"use strict";module.exports=function(n){return n instanceof Number?"number":n instanceof String?"string":n instanceof Boolean?"boolean":Array.isArray(n)?"array":null===n?"null":typeof n};
+},{}],168:[function(require,module,exports){
+"use strict";module.exports=["type","source","source-layer","minzoom","maxzoom","filter","layout"];
+},{}],169:[function(require,module,exports){
+"use strict";module.exports=function(n){return n instanceof Number||n instanceof String||n instanceof Boolean?n.valueOf():n};
+},{}],170:[function(require,module,exports){
+"use strict";var ValidationError=require("../error/validation_error"),getType=require("../util/get_type"),extend=require("../util/extend");module.exports=function(e){var r=require("./validate_function"),t=require("./validate_object"),a={"*":function(){return[]},array:require("./validate_array"),boolean:require("./validate_boolean"),number:require("./validate_number"),color:require("./validate_color"),constants:require("./validate_constants"),enum:require("./validate_enum"),filter:require("./validate_filter"),function:require("./validate_function"),layer:require("./validate_layer"),object:require("./validate_object"),source:require("./validate_source"),string:require("./validate_string")},i=e.value,n=e.valueSpec,u=e.key,o=e.styleSpec,l=e.style;if("string"===getType(i)&&"@"===i[0]){if(o.$version>7)return[new ValidationError(u,i,"constants have been deprecated as of v8")];if(!(i in l.constants))return[new ValidationError(u,i,'constant "%s" not found',i)];e=extend({},e,{value:l.constants[i]})}return n.function&&"object"===getType(i)?r(e):n.type&&a[n.type]?a[n.type](e):t(extend({},e,{valueSpec:n.type?o[n.type]:n}))};
+},{"../error/validation_error":164,"../util/extend":166,"../util/get_type":167,"./validate_array":171,"./validate_boolean":172,"./validate_color":173,"./validate_constants":174,"./validate_enum":175,"./validate_filter":176,"./validate_function":177,"./validate_layer":179,"./validate_number":182,"./validate_object":183,"./validate_source":185,"./validate_string":186}],171:[function(require,module,exports){
+"use strict";var getType=require("../util/get_type"),validate=require("./validate"),ValidationError=require("../error/validation_error");module.exports=function(e){var r=e.value,t=e.valueSpec,a=e.style,n=e.styleSpec,l=e.key,i=e.arrayElementValidator||validate;if("array"!==getType(r))return[new ValidationError(l,r,"array expected, %s found",getType(r))];if(t.length&&r.length!==t.length)return[new ValidationError(l,r,"array length %d expected, length %d found",t.length,r.length)];if(t["min-length"]&&r.length<t["min-length"])return[new ValidationError(l,r,"array length at least %d expected, length %d found",t["min-length"],r.length)];var o={type:t.value};n.$version<7&&(o.function=t.function),"object"===getType(t.value)&&(o=t.value);for(var u=[],d=0;d<r.length;d++)u=u.concat(i({array:r,arrayIndex:d,value:r[d],valueSpec:o,style:a,styleSpec:n,key:l+"["+d+"]"}));return u};
+},{"../error/validation_error":164,"../util/get_type":167,"./validate":170}],172:[function(require,module,exports){
+"use strict";var getType=require("../util/get_type"),ValidationError=require("../error/validation_error");module.exports=function(e){var r=e.value,o=e.key,t=getType(r);return"boolean"!==t?[new ValidationError(o,r,"boolean expected, %s found",t)]:[]};
+},{"../error/validation_error":164,"../util/get_type":167}],173:[function(require,module,exports){
+"use strict";var ValidationError=require("../error/validation_error"),getType=require("../util/get_type"),parseCSSColor=require("csscolorparser").parseCSSColor;module.exports=function(r){var e=r.key,o=r.value,t=getType(o);return"string"!==t?[new ValidationError(e,o,"color expected, %s found",t)]:null===parseCSSColor(o)?[new ValidationError(e,o,'color expected, "%s" found',o)]:[]};
+},{"../error/validation_error":164,"../util/get_type":167,"csscolorparser":130}],174:[function(require,module,exports){
+"use strict";var ValidationError=require("../error/validation_error"),getType=require("../util/get_type");module.exports=function(r){var e=r.key,t=r.value,a=r.styleSpec;if(a.$version>7)return t?[new ValidationError(e,t,"constants have been deprecated as of v8")]:[];var o=getType(t);if("object"!==o)return[new ValidationError(e,t,"object expected, %s found",o)];var n=[];for(var i in t)"@"!==i[0]&&n.push(new ValidationError(e+"."+i,t[i],'constants must start with "@"'));return n};
+},{"../error/validation_error":164,"../util/get_type":167}],175:[function(require,module,exports){
+"use strict";var ValidationError=require("../error/validation_error"),unbundle=require("../util/unbundle_jsonlint");module.exports=function(e){var r=e.key,n=e.value,u=e.valueSpec,o=[];return Array.isArray(u.values)?u.values.indexOf(unbundle(n))===-1&&o.push(new ValidationError(r,n,"expected one of [%s], %s found",u.values.join(", "),n)):Object.keys(u.values).indexOf(unbundle(n))===-1&&o.push(new ValidationError(r,n,"expected one of [%s], %s found",Object.keys(u.values).join(", "),n)),o};
+},{"../error/validation_error":164,"../util/unbundle_jsonlint":169}],176:[function(require,module,exports){
+"use strict";var ValidationError=require("../error/validation_error"),validateEnum=require("./validate_enum"),getType=require("../util/get_type"),unbundle=require("../util/unbundle_jsonlint");module.exports=function e(t){var r,a=t.value,n=t.key,l=t.styleSpec,s=[];if("array"!==getType(a))return[new ValidationError(n,a,"array expected, %s found",getType(a))];if(a.length<1)return[new ValidationError(n,a,"filter array must have at least 1 element")];switch(s=s.concat(validateEnum({key:n+"[0]",value:a[0],valueSpec:l.filter_operator,style:t.style,styleSpec:t.styleSpec})),unbundle(a[0])){case"<":case"<=":case">":case">=":a.length>=2&&"$type"==a[1]&&s.push(new ValidationError(n,a,'"$type" cannot be use with operator "%s"',a[0]));case"==":case"!=":3!=a.length&&s.push(new ValidationError(n,a,'filter array for operator "%s" must have 3 elements',a[0]));case"in":case"!in":a.length>=2&&(r=getType(a[1]),"string"!==r?s.push(new ValidationError(n+"[1]",a[1],"string expected, %s found",r)):"@"===a[1][0]&&s.push(new ValidationError(n+"[1]",a[1],"filter key cannot be a constant")));for(var o=2;o<a.length;o++)r=getType(a[o]),"$type"==a[1]?s=s.concat(validateEnum({key:n+"["+o+"]",value:a[o],valueSpec:l.geometry_type,style:t.style,styleSpec:t.styleSpec})):"string"===r&&"@"===a[o][0]?s.push(new ValidationError(n+"["+o+"]",a[o],"filter value cannot be a constant")):"string"!==r&&"number"!==r&&"boolean"!==r&&s.push(new ValidationError(n+"["+o+"]",a[o],"string, number, or boolean expected, %s found",r));break;case"any":case"all":case"none":for(o=1;o<a.length;o++)s=s.concat(e({key:n+"["+o+"]",value:a[o],style:t.style,styleSpec:t.styleSpec}));break;case"has":case"!has":r=getType(a[1]),2!==a.length?s.push(new ValidationError(n,a,'filter array for "%s" operator must have 2 elements',a[0])):"string"!==r?s.push(new ValidationError(n+"[1]",a[1],"string expected, %s found",r)):"@"===a[1][0]&&s.push(new ValidationError(n+"[1]",a[1],"filter key cannot be a constant"))}return s};
+},{"../error/validation_error":164,"../util/get_type":167,"../util/unbundle_jsonlint":169,"./validate_enum":175}],177:[function(require,module,exports){
+"use strict";var ValidationError=require("../error/validation_error"),getType=require("../util/get_type"),validate=require("./validate"),validateObject=require("./validate_object"),validateArray=require("./validate_array"),validateNumber=require("./validate_number"),unbundle=require("../util/unbundle_jsonlint");module.exports=function(e){function t(e){if("identity"===unbundle(l.type))return[new ValidationError(e.key,e.value,'identity function may not have a "stops" property')];var t=[],a=e.value;return t=t.concat(validateArray({key:e.key,value:a,valueSpec:e.valueSpec,style:e.style,styleSpec:e.styleSpec,arrayElementValidator:r})),"array"===getType(a)&&0===a.length&&t.push(new ValidationError(e.key,a,"array must have at least one stop")),t}function r(e){var t=[],r=e.value,l=e.key;if("array"!==getType(r))return[new ValidationError(l,r,"array expected, %s found",getType(r))];if(2!==r.length)return[new ValidationError(l,r,"array length %d expected, length %d found",2,r.length)];var i=getType(r[0]);if(n||(n=i),i!==n)return[new ValidationError(l,r,"%s stop key type must match previous stop key type %s",i,n)];if("object"===i){if(void 0===r[0].zoom)return[new ValidationError(l,r,"object stop key must have zoom")];if(void 0===r[0].value)return[new ValidationError(l,r,"object stop key must have value")];t=t.concat(validateObject({key:l+"[0]",value:r[0],valueSpec:{zoom:{}},style:e.style,styleSpec:e.styleSpec,objectElementValidators:{zoom:validateNumber,value:a}}))}else t=t.concat((u?validateNumber:a)({key:l+"[0]",value:r[0],valueSpec:{},style:e.style,styleSpec:e.styleSpec}));return t=t.concat(validate({key:l+"[1]",value:r[1],valueSpec:o,style:e.style,styleSpec:e.styleSpec})),"number"===getType(r[0])&&("piecewise-constant"===o.function&&r[0]%1!==0&&t.push(new ValidationError(l+"[0]",r[0],"zoom level for piecewise-constant functions must be an integer")),0!==e.arrayIndex&&r[0]<e.array[e.arrayIndex-1][0]&&t.push(new ValidationError(l+"[0]",r[0],"array stops must appear in ascending order"))),t}function a(e){var t=[],r=getType(e.value);return"number"!==r&&"string"!==r&&"array"!==r&&t.push(new ValidationError(e.key,e.value,"property value must be a number, string or array")),t}var n,o=e.valueSpec,l=e.value,i=void 0!==e.value.property||"object"===n,u=void 0===e.value.property||"object"===n,s=validateObject({key:e.key,value:e.value,valueSpec:e.styleSpec.function,style:e.style,styleSpec:e.styleSpec,objectElementValidators:{stops:t}});return"identity"===unbundle(e.value.type)||e.value.stops||s.push(new ValidationError(e.key,e.value,'missing required property "stops"')),e.styleSpec.$version>=8&&(i&&!e.valueSpec["property-function"]?s.push(new ValidationError(e.key,e.value,"property functions not supported")):u&&!e.valueSpec["zoom-function"]&&s.push(new ValidationError(e.key,e.value,"zoom functions not supported"))),s};
+},{"../error/validation_error":164,"../util/get_type":167,"../util/unbundle_jsonlint":169,"./validate":170,"./validate_array":171,"./validate_number":182,"./validate_object":183}],178:[function(require,module,exports){
+"use strict";var ValidationError=require("../error/validation_error"),validateString=require("./validate_string");module.exports=function(r){var e=r.value,t=r.key,a=validateString(r);return a.length?a:(e.indexOf("{fontstack}")===-1&&a.push(new ValidationError(t,e,'"glyphs" url must include a "{fontstack}" token')),e.indexOf("{range}")===-1&&a.push(new ValidationError(t,e,'"glyphs" url must include a "{range}" token')),a)};
+},{"../error/validation_error":164,"./validate_string":186}],179:[function(require,module,exports){
+"use strict";var ValidationError=require("../error/validation_error"),unbundle=require("../util/unbundle_jsonlint"),validateObject=require("./validate_object"),validateFilter=require("./validate_filter"),validatePaintProperty=require("./validate_paint_property"),validateLayoutProperty=require("./validate_layout_property"),extend=require("../util/extend");module.exports=function(e){var r=[],t=e.value,a=e.key,i=e.style,l=e.styleSpec;t.type||t.ref||r.push(new ValidationError(a,t,'either "type" or "ref" is required'));var o=unbundle(t.type),u=unbundle(t.ref);if(t.id)for(var n=0;n<e.arrayIndex;n++){var s=i.layers[n];unbundle(s.id)===unbundle(t.id)&&r.push(new ValidationError(a,t.id,'duplicate layer id "%s", previously used at line %d',t.id,s.id.__line__))}if("ref"in t){["type","source","source-layer","filter","layout"].forEach(function(e){e in t&&r.push(new ValidationError(a,t[e],'"%s" is prohibited for ref layers',e))});var d;i.layers.forEach(function(e){e.id==u&&(d=e)}),d?d.ref?r.push(new ValidationError(a,t.ref,"ref cannot reference another ref layer")):o=unbundle(d.type):r.push(new ValidationError(a,t.ref,'ref layer "%s" not found',u))}else if("background"!==o)if(t.source){var y=i.sources&&i.sources[t.source];y?"vector"==y.type&&"raster"==o?r.push(new ValidationError(a,t.source,'layer "%s" requires a raster source',t.id)):"raster"==y.type&&"raster"!=o?r.push(new ValidationError(a,t.source,'layer "%s" requires a vector source',t.id)):"vector"!=y.type||t["source-layer"]||r.push(new ValidationError(a,t,'layer "%s" must specify a "source-layer"',t.id)):r.push(new ValidationError(a,t.source,'source "%s" not found',t.source))}else r.push(new ValidationError(a,t,'missing required property "source"'));return r=r.concat(validateObject({key:a,value:t,valueSpec:l.layer,style:e.style,styleSpec:e.styleSpec,objectElementValidators:{filter:validateFilter,layout:function(e){return validateObject({layer:t,key:e.key,value:e.value,style:e.style,styleSpec:e.styleSpec,objectElementValidators:{"*":function(e){return validateLayoutProperty(extend({layerType:o},e))}}})},paint:function(e){return validateObject({layer:t,key:e.key,value:e.value,style:e.style,styleSpec:e.styleSpec,objectElementValidators:{"*":function(e){return validatePaintProperty(extend({layerType:o},e))}}})}}}))};
+},{"../error/validation_error":164,"../util/extend":166,"../util/unbundle_jsonlint":169,"./validate_filter":176,"./validate_layout_property":180,"./validate_object":183,"./validate_paint_property":184}],180:[function(require,module,exports){
+"use strict";var validate=require("./validate"),ValidationError=require("../error/validation_error");module.exports=function(e){var r=e.key,t=e.style,a=e.styleSpec,i=e.value,l=e.objectKey,o=a["layout_"+e.layerType];if(!o)return[];if(e.valueSpec||o[l]){var s=[];return"symbol"===e.layerType&&("icon-image"===l&&t&&!t.sprite?s.push(new ValidationError(r,i,'use of "icon-image" requires a style "sprite" property')):"text-field"===l&&t&&!t.glyphs&&s.push(new ValidationError(r,i,'use of "text-field" requires a style "glyphs" property'))),s.concat(validate({key:e.key,value:i,valueSpec:e.valueSpec||o[l],style:t,styleSpec:a}))}return[new ValidationError(r,i,'unknown property "%s"',l)]};
+},{"../error/validation_error":164,"./validate":170}],181:[function(require,module,exports){
+"use strict";var ValidationError=require("../error/validation_error"),getType=require("../util/get_type"),validate=require("./validate"),validateTypes={enum:require("./validate_enum"),color:require("./validate_color"),array:require("./validate_array"),number:require("./validate_number"),function:require("./validate_function")};module.exports=function(e){var r,t=e.value,a=e.styleSpec,i=a.light,n=e.style,l=[];for(var o in t){var u=o.match(/^(.*)-transition$/);if(u&&i[u[1]]&&i[u[1]].transition){var c=u[1];r=i[c].type,l=l.concat(validate({key:o,value:t[o],valueSpec:a.transition,style:n,styleSpec:a}))}else i[o]?(r=i[o].type,i[o].function&&"object"===getType(t[o])&&(r="function"),l=l.concat(validateTypes[r]({key:o,value:t[o],valueSpec:i[o],style:n,styleSpec:a}))):l=l.concat([new ValidationError(o,t[o],'unknown property "%s"',o)])}return l};
+},{"../error/validation_error":164,"../util/get_type":167,"./validate":170,"./validate_array":171,"./validate_color":173,"./validate_enum":175,"./validate_function":177,"./validate_number":182}],182:[function(require,module,exports){
+"use strict";var getType=require("../util/get_type"),ValidationError=require("../error/validation_error");module.exports=function(e){var r=e.key,i=e.value,m=e.valueSpec,a=getType(i);return"number"!==a?[new ValidationError(r,i,"number expected, %s found",a)]:"minimum"in m&&i<m.minimum?[new ValidationError(r,i,"%s is less than the minimum value %s",i,m.minimum)]:"maximum"in m&&i>m.maximum?[new ValidationError(r,i,"%s is greater than the maximum value %s",i,m.maximum)]:[]};
+},{"../error/validation_error":164,"../util/get_type":167}],183:[function(require,module,exports){
+"use strict";var ValidationError=require("../error/validation_error"),getType=require("../util/get_type"),validate=require("./validate");module.exports=function(e){var r=e.key,t=e.value,i=e.valueSpec,o=e.objectElementValidators||{},a=e.style,l=e.styleSpec,n=[],u=getType(t);if("object"!==u)return[new ValidationError(r,t,"object expected, %s found",u)];for(var d in t){var p=d.split(".")[0],s=i&&(i[p]||i["*"]),c=o[p]||o["*"];s||c?n=n.concat((c||validate)({key:(r?r+".":r)+d,value:t[d],valueSpec:s,style:a,styleSpec:l,object:t,objectKey:d})):""!==r&&1!==r.split(".").length&&n.push(new ValidationError(r,t[d],'unknown property "%s"',d))}for(p in i)i[p].required&&void 0===i[p].default&&void 0===t[p]&&n.push(new ValidationError(r,t,'missing required property "%s"',p));return n};
+},{"../error/validation_error":164,"../util/get_type":167,"./validate":170}],184:[function(require,module,exports){
+"use strict";var validate=require("./validate"),ValidationError=require("../error/validation_error");module.exports=function(e){var r=e.key,a=e.style,t=e.styleSpec,i=e.value,l=e.objectKey,n=t["paint_"+e.layerType];if(!n)return[];var o=l.match(/^(.*)-transition$/);return o&&n[o[1]]&&n[o[1]].transition?validate({key:r,value:i,valueSpec:t.transition,style:a,styleSpec:t}):e.valueSpec||n[l]?validate({key:e.key,value:i,valueSpec:e.valueSpec||n[l],style:a,styleSpec:t}):[new ValidationError(r,i,'unknown property "%s"',l)]};
+},{"../error/validation_error":164,"./validate":170}],185:[function(require,module,exports){
+"use strict";var ValidationError=require("../error/validation_error"),unbundle=require("../util/unbundle_jsonlint"),validateObject=require("./validate_object"),validateEnum=require("./validate_enum");module.exports=function(e){var r=e.value,t=e.key,a=e.styleSpec,l=e.style;if(!r.type)return[new ValidationError(t,r,'"type" is required')];var u=unbundle(r.type);switch(u){case"vector":case"raster":var i=[];if(i=i.concat(validateObject({key:t,value:r,valueSpec:a.source_tile,style:e.style,styleSpec:a})),"url"in r)for(var s in r)["type","url","tileSize"].indexOf(s)<0&&i.push(new ValidationError(t+"."+s,r[s],'a source with a "url" property may not include a "%s" property',s));return i;case"geojson":return validateObject({key:t,value:r,valueSpec:a.source_geojson,style:l,styleSpec:a});case"video":return validateObject({key:t,value:r,valueSpec:a.source_video,style:l,styleSpec:a});case"image":return validateObject({key:t,value:r,valueSpec:a.source_image,style:l,styleSpec:a});default:return validateEnum({key:t+".type",value:r.type,valueSpec:{values:["vector","raster","geojson","video","image"]},style:l,styleSpec:a})}};
+},{"../error/validation_error":164,"../util/unbundle_jsonlint":169,"./validate_enum":175,"./validate_object":183}],186:[function(require,module,exports){
+"use strict";var getType=require("../util/get_type"),ValidationError=require("../error/validation_error");module.exports=function(r){var e=r.value,t=r.key,i=getType(e);return"string"!==i?[new ValidationError(t,e,"string expected, %s found",i)]:[]};
+},{"../error/validation_error":164,"../util/get_type":167}],187:[function(require,module,exports){
+"use strict";function validateStyleMin(e,a){a=a||latestStyleSpec;var t=[];return t=t.concat(validate({key:"",value:e,valueSpec:a.$root,styleSpec:a,style:e,objectElementValidators:{glyphs:validateGlyphsURL}})),a.$version>7&&e.constants&&(t=t.concat(validateConstants({key:"constants",value:e.constants,style:e,styleSpec:a}))),sortErrors(t)}function sortErrors(e){return[].concat(e).sort(function(e,a){return e.line-a.line})}function wrapCleanErrors(e){return function(){return sortErrors(e.apply(this,arguments))}}var validateConstants=require("./validate/validate_constants"),validate=require("./validate/validate"),latestStyleSpec=require("../reference/latest.min"),validateGlyphsURL=require("./validate/validate_glyphs_url");validateStyleMin.source=wrapCleanErrors(require("./validate/validate_source")),validateStyleMin.light=wrapCleanErrors(require("./validate/validate_light")),validateStyleMin.layer=wrapCleanErrors(require("./validate/validate_layer")),validateStyleMin.filter=wrapCleanErrors(require("./validate/validate_filter")),validateStyleMin.paintProperty=wrapCleanErrors(require("./validate/validate_paint_property")),validateStyleMin.layoutProperty=wrapCleanErrors(require("./validate/validate_layout_property")),module.exports=validateStyleMin;
+},{"../reference/latest.min":188,"./validate/validate":170,"./validate/validate_constants":174,"./validate/validate_filter":176,"./validate/validate_glyphs_url":178,"./validate/validate_layer":179,"./validate/validate_layout_property":180,"./validate/validate_light":181,"./validate/validate_paint_property":184,"./validate/validate_source":185}],188:[function(require,module,exports){
+module.exports=require("./v8.min.json");
+},{"./v8.min.json":189}],189:[function(require,module,exports){
+module.exports={"$version":8,"$root":{"version":{"required":true,"type":"enum","values":[8]},"name":{"type":"string"},"metadata":{"type":"*"},"center":{"type":"array","value":"number"},"zoom":{"type":"number"},"bearing":{"type":"number","default":0,"period":360,"units":"degrees"},"pitch":{"type":"number","default":0,"units":"degrees"},"light":{"type":"light"},"sources":{"required":true,"type":"sources"},"sprite":{"type":"string"},"glyphs":{"type":"string"},"transition":{"type":"transition"},"layers":{"required":true,"type":"array","value":"layer"}},"sources":{"*":{"type":"source"}},"source":["source_tile","source_geojson","source_video","source_image"],"source_tile":{"type":{"required":true,"type":"enum","values":{"vector":{},"raster":{}}},"url":{"type":"string"},"tiles":{"type":"array","value":"string"},"minzoom":{"type":"number","default":0},"maxzoom":{"type":"number","default":22},"tileSize":{"type":"number","default":512,"units":"pixels"},"*":{"type":"*"}},"source_geojson":{"type":{"required":true,"type":"enum","values":{"geojson":{}}},"data":{"type":"*"},"maxzoom":{"type":"number","default":18},"buffer":{"type":"number","default":128,"maximum":512,"minimum":0},"tolerance":{"type":"number","default":0.375},"cluster":{"type":"boolean","default":false},"clusterRadius":{"type":"number","default":50,"minimum":0},"clusterMaxZoom":{"type":"number"}},"source_video":{"type":{"required":true,"type":"enum","values":{"video":{}}},"urls":{"required":true,"type":"array","value":"string"},"coordinates":{"required":true,"type":"array","length":4,"value":{"type":"array","length":2,"value":"number"}}},"source_image":{"type":{"required":true,"type":"enum","values":{"image":{}}},"url":{"required":true,"type":"string"},"coordinates":{"required":true,"type":"array","length":4,"value":{"type":"array","length":2,"value":"number"}}},"layer":{"id":{"type":"string","required":true},"type":{"type":"enum","values":{"fill":{},"line":{},"symbol":{},"circle":{},"fill-extrusion":{},"raster":{},"background":{}}},"metadata":{"type":"*"},"ref":{"type":"string"},"source":{"type":"string"},"source-layer":{"type":"string"},"minzoom":{"type":"number","minimum":0,"maximum":22},"maxzoom":{"type":"number","minimum":0,"maximum":22},"filter":{"type":"filter"},"layout":{"type":"layout"},"paint":{"type":"paint"},"paint.*":{"type":"paint"}},"layout":["layout_fill","layout_line","layout_circle","layout_fill-extrusion","layout_symbol","layout_raster","layout_background"],"layout_background":{"visibility":{"type":"enum","function":"piecewise-constant","zoom-function":true,"values":{"visible":{},"none":{}},"default":"visible"}},"layout_fill":{"visibility":{"type":"enum","function":"piecewise-constant","zoom-function":true,"values":{"visible":{},"none":{}},"default":"visible"}},"layout_circle":{"visibility":{"type":"enum","function":"piecewise-constant","zoom-function":true,"values":{"visible":{},"none":{}},"default":"visible"}},"layout_fill-extrusion":{"visibility":{"type":"enum","function":"piecewise-constant","zoom-function":true,"values":{"visible":{},"none":{}},"default":"visible"}},"layout_line":{"line-cap":{"type":"enum","function":"piecewise-constant","zoom-function":true,"property-function":true,"values":{"butt":{},"round":{},"square":{}},"default":"butt"},"line-join":{"type":"enum","function":"piecewise-constant","zoom-function":true,"property-function":true,"values":{"bevel":{},"round":{},"miter":{}},"default":"miter"},"line-miter-limit":{"type":"number","default":2,"function":"interpolated","zoom-function":true,"property-function":true,"requires":[{"line-join":"miter"}]},"line-round-limit":{"type":"number","default":1.05,"function":"interpolated","zoom-function":true,"property-function":true,"requires":[{"line-join":"round"}]},"visibility":{"type":"enum","function":"piecewise-constant","zoom-function":true,"values":{"visible":{},"none":{}},"default":"visible"}},"layout_symbol":{"symbol-placement":{"type":"enum","function":"piecewise-constant","zoom-function":true,"property-function":true,"values":{"point":{},"line":{}},"default":"point"},"symbol-spacing":{"type":"number","default":250,"minimum":1,"function":"interpolated","zoom-function":true,"property-function":true,"units":"pixels","requires":[{"symbol-placement":"line"}]},"symbol-avoid-edges":{"type":"boolean","function":"piecewise-constant","zoom-function":true,"property-function":true,"default":false},"icon-allow-overlap":{"type":"boolean","function":"piecewise-constant","zoom-function":true,"property-function":true,"default":false,"requires":["icon-image"]},"icon-ignore-placement":{"type":"boolean","function":"piecewise-constant","zoom-function":true,"property-function":true,"default":false,"requires":["icon-image"]},"icon-optional":{"type":"boolean","function":"piecewise-constant","zoom-function":true,"property-function":true,"default":false,"requires":["icon-image","text-field"]},"icon-rotation-alignment":{"type":"enum","function":"piecewise-constant","zoom-function":true,"property-f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+"use strict";function Buffer(t){var e;t&&t.length&&(e=t,t=e.length);var r=new Uint8Array(t||0);return e&&r.set(e),r.readUInt32LE=BufferMethods.readUInt32LE,r.writeUInt32LE=BufferMethods.writeUInt32LE,r.readInt32LE=BufferMethods.readInt32LE,r.writeInt32LE=BufferMethods.writeInt32LE,r.readFloatLE=BufferMethods.readFloatLE,r.writeFloatLE=BufferMethods.writeFloatLE,r.readDoubleLE=BufferMethods.readDoubleLE,r.writeDoubleLE=BufferMethods.writeDoubleLE,r.toString=BufferMethods.toString,r.write=BufferMethods.write,r.slice=BufferMethods.slice,r.copy=BufferMethods.copy,r._isBuffer=!0,r}function encodeString(t){for(var e,r,n=t.length,i=[],o=0;o<n;o++){if(e=t.charCodeAt(o),e>55295&&e<57344){if(!r){e>56319||o+1===n?i.push(239,191,189):r=e;continue}if(e<56320){i.push(239,191,189),r=e;continue}e=r-55296<<10|e-56320|65536,r=null}else r&&(i.push(239,191,189),r=null);e<128?i.push(e):e<2048?i.push(e>>6|192,63&e|128):e<65536?i.push(e>>12|224,e>>6&63|128,63&e|128):i.push(e>>18|240,e>>12&63|128,e>>6&63|128,63&e|128)}return i}module.exports=Buffer;var ieee754=require("ieee754"),BufferMethods,lastStr,lastStrEncoded;BufferMethods={readUInt32LE:function(t){return(this[t]|this[t+1]<<8|this[t+2]<<16)+16777216*this[t+3]},writeUInt32LE:function(t,e){this[e]=t,this[e+1]=t>>>8,this[e+2]=t>>>16,this[e+3]=t>>>24},readInt32LE:function(t){return(this[t]|this[t+1]<<8|this[t+2]<<16)+(this[t+3]<<24)},readFloatLE:function(t){return ieee754.read(this,t,!0,23,4)},readDoubleLE:function(t){return ieee754.read(this,t,!0,52,8)},writeFloatLE:function(t,e){return ieee754.write(this,t,e,!0,23,4)},writeDoubleLE:function(t,e){return ieee754.write(this,t,e,!0,52,8)},toString:function(t,e,r){var n="",i="";e=e||0,r=Math.min(this.length,r||this.length);for(var o=e;o<r;o++){var u=this[o];u<=127?(n+=decodeURIComponent(i)+String.fromCharCode(u),i=""):i+="%"+u.toString(16)}return n+=decodeURIComponent(i)},write:function(t,e){for(var r=t===lastStr?lastStrEncoded:encodeString(t),n=0;n<r.length;n++)this[e+n]=r[n]},slice:function(t,e){return this.subarray(t,e)},copy:function(t,e){e=e||0;for(var r=0;r<this.length;r++)t[e+r]=this[r]}},BufferMethods.writeInt32LE=BufferMethods.writeUInt32LE,Buffer.byteLength=function(t){return lastStr=t,lastStrEncoded=encodeString(t),lastStrEncoded.length},Buffer.isBuffer=function(t){return!(!t||!t._isBuffer)};
+},{"ieee754":155}],193:[function(require,module,exports){
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e=0;e<t.length;e++)i.writeVarint(t[e])}function writePackedSVarint(t,i){for(var e=0;e<t.length;e++)i.writeSVarint(t[e])}function writePackedFloat(t,i){for(var e=0;e<t.length;e++)i.writeFloat(t[e])}function writePackedDouble(t,i){for(var e=0;e<t.length;e++)i.writeDouble(t[e])}function writePackedBoolean(t,i){for(var e=0;e<t.length;e++)i.writeBoolean(t[e])}function writePackedFixed32(t,i){for(var e=0;e<t.length;e++)i.writeFixed32(t[e])}function writePackedSFixed32(t,i){for(var e=0;e<t.length;e++)i.writeSFixed32(t[e])}function writePackedFixed64(t,i){for(var e=0;e<t.length;e++)i.writeFixed64(t[e])}function writePackedSFixed64(t,i){for(var e=0;e<t.length;e++)i.writeSFixed64(t[e])}module.exports=Pbf;var Buffer=global.Buffer||require("./buffer");Pbf.Varint=0,Pbf.Fixed64=1,Pbf.Bytes=2,Pbf.Fixed32=5;var SHIFT_LEFT_32=4294967296,SHIFT_RIGHT_32=1/SHIFT_LEFT_32,POW_2_63=Math.pow(2,63);Pbf.prototype={destroy:function(){this.buf=null},readFields:function(t,i,e){for(e=e||this.length;this.pos<e;){var 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i=e[this.pos++],t=127&i,i<128?t:(i=e[this.pos++],t|=(127&i)<<7,i<128?t:(i=e[this.pos++],t|=(127&i)<<14,i<128?t:(i=e[this.pos++],t|=(127&i)<<21,i<128?t:readVarintRemainder(t,this))))},readVarint64:function(){var t=this.pos,i=this.readVarint();if(i<POW_2_63)return i;for(var e=this.pos-2;255===this.buf[e];)e--;e<t&&(e=t),i=0;for(var r=0;r<e-t+1;r++){var s=127&~this.buf[t+r];i+=r<4?s<<7*r:s*Math.pow(2,7*r)}return-i-1},readSVarint:function(){var t=this.readVarint();return t%2===1?(t+1)/-2:t/2},readBoolean:function(){return Boolean(this.readVarint())},readString:function(){var t=this.readVarint()+this.pos,i=this.buf.toString("utf8",this.pos,t);return this.pos=t,i},readBytes:function(){var t=this.readVarint()+this.pos,i=this.buf.slice(this.pos,t);return this.pos=t,i},readPackedVarint:function(){for(var t=this.readVarint()+this.pos,i=[];this.pos<t;)i.push(this.readVarint());return i},readPackedSVarint:function(){for(var t=this.readVarint()+this.pos,i=[];this.pos<t;)i.push(this.readSVarint());return i},readPackedBoolean:function(){for(var t=this.readVarint()+this.pos,i=[];this.pos<t;)i.push(this.readBoolean());return i},readPackedFloat:function(){for(var t=this.readVarint()+this.pos,i=[];this.pos<t;)i.push(this.readFloat());return i},readPackedDouble:function(){for(var t=this.readVarint()+this.pos,i=[];this.pos<t;)i.push(this.readDouble());return i},readPackedFixed32:function(){for(var t=this.readVarint()+this.pos,i=[];this.pos<t;)i.push(this.readFixed32());return i},readPackedSFixed32:function(){for(var t=this.readVarint()+this.pos,i=[];this.pos<t;)i.push(this.readSFixed32());return i},readPackedFixed64:function(){for(var t=this.readVarint()+this.pos,i=[];this.pos<t;)i.push(this.readFixed64());return i},readPackedSFixed64:function(){for(var t=this.readVarint()+this.pos,i=[];this.pos<t;)i.push(this.readSFixed64());return i},skip:function(t){var i=7&t;if(i===Pbf.Varint)for(;this.buf[this.pos++]>127;);else if(i===Pbf.Bytes)this.pos=this.readVarint()+this.pos;else if(i===Pbf.Fixed32)this.pos+=4;else{if(i!==Pbf.Fixed64)throw new Error("Unimplemented type: "+i);this.pos+=8}},writeTag:function(t,i){this.writeVarint(t<<3|i)},realloc:function(t){for(var i=this.length||16;i<this.pos+t;)i*=2;if(i!==this.length){var e=new Buffer(i);this.buf.copy(e),this.buf=e,this.length=i}},finish:function(){return 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r=this.pos-e;r>=128&&reallocForRawMessage(e,r,this),this.pos=e-1,this.writeVarint(r),this.pos+=r},writeMessage:function(t,i,e){this.writeTag(t,Pbf.Bytes),this.writeRawMessage(i,e)},writePackedVarint:function(t,i){this.writeMessage(t,writePackedVarint,i)},writePackedSVarint:function(t,i){this.writeMessage(t,writePackedSVarint,i)},writePackedBoolean:function(t,i){this.writeMessage(t,writePackedBoolean,i)},writePackedFloat:function(t,i){this.writeMessage(t,writePackedFloat,i)},writePackedDouble:function(t,i){this.writeMessage(t,writePackedDouble,i)},writePackedFixed32:function(t,i){this.writeMessage(t,writePackedFixed32,i)},writePackedSFixed32:function(t,i){this.writeMessage(t,writePackedSFixed32,i)},writePackedFixed64:function(t,i){this.writeMessage(t,writePackedFixed64,i)},writePackedSFixed64:function(t,i){this.writeMessage(t,writePackedSFixed64,i)},writeBytesField:function(t,i){this.writeTag(t,Pbf.Bytes),this.writeBytes(i)},writeFixed32Field:function(t,i){this.writeTag(t,Pbf.Fixed32),this.writeFixed32(i)},writeSFixed32Field:function(t,i){this.writeTag(t,Pbf.Fixed32),this.writeSFixed32(i)},writeFixed64Field:function(t,i){this.writeTag(t,Pbf.Fixed64),this.writeFixed64(i)},writeSFixed64Field:function(t,i){this.writeTag(t,Pbf.Fixed64),this.writeSFixed64(i)},writeVarintField:function(t,i){this.writeTag(t,Pbf.Varint),this.writeVarint(i)},writeSVarintField:function(t,i){this.writeTag(t,Pbf.Varint),this.writeSVarint(i)},writeStringField:function(t,i){this.writeTag(t,Pbf.Bytes),this.writeString(i)},writeFloatField:function(t,i){this.writeTag(t,Pbf.Fixed32),this.writeFloat(i)},writeDoubleField:function(t,i){this.writeTag(t,Pbf.Fixed64),this.writeDouble(i)},writeBooleanField:function(t,i){this.writeVarintField(t,Boolean(i))}};
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-"use strict";function Url(){this.protocol=null,this.slashes=null,this.auth=null,this.host=null,this.port=null,this.hostname=null,this.hash=null,this.search=null,this.query=null,this.pathname=null,this.path=null,this.href=null}function urlParse(t,s,e){if(t&&util.isObject(t)&&t instanceof Url)return t;var h=new Url;return h.parse(t,s,e),h}function urlFormat(t){return util.isString(t)&&(t=urlParse(t)),t instanceof Url?t.format():Url.prototype.format.call(t)}function urlResolve(t,s){return urlParse(t,!1,!0).resolve(s)}function urlResolveObject(t,s){return t?urlParse(t,!1,!0).resolveObject(s):s}var punycode=require("punycode"),util=require("./util");exports.parse=urlParse,exports.resolve=urlResolve,exports.resolveObject=urlResolveObject,exports.format=urlFormat,exports.Url=Url;var protocolPattern=/^([a-z0-9.+-]+:)/i,portPattern=/:[0-9]*$/,simplePathPattern=/^(\/\/?(?!\/)[^\?\s]*)(\?[^\s]*)?$/,delims=["<",">",'"',"`"," ","\r","\n","	"],unwise=["{","}","|","\\","^","`"].concat(delims),autoEscape=["'"].concat(unwise),nonHostChars=["%","/","?",";","#"].concat(autoEscape),hostEndingChars=["/","?","#"],hostnameMaxLen=255,hostnamePartPattern=/^[+a-z0-9A-Z_-]{0,63}$/,hostnamePartStart=/^([+a-z0-9A-Z_-]{0,63})(.*)$/,unsafeProtocol={javascript:!0,"javascript:":!0},hostlessProtocol={javascript:!0,"javascript:":!0},slashedProtocol={http:!0,https:!0,ftp:!0,gopher:!0,file:!0,"http:":!0,"https:":!0,"ftp:":!0,"gopher:":!0,"file:":!0},querystring=require("querystring");Url.prototype.parse=function(t,s,e){if(!util.isString(t))throw new TypeError("Parameter 'url' must be a string, not "+typeof t);var h=t.indexOf("?"),r=-1!==h&&h<t.indexOf("#")?"?":"#",a=t.split(r),o=/\\/g;a[0]=a[0].replace(o,"/"),t=a.join(r);var n=t;if(n=n.trim(),!e&&1===t.split("#").length){var i=simplePathPattern.exec(n);if(i)return this.path=n,this.href=n,this.pathname=i[1],i[2]?(this.search=i[2],s?this.query=querystring.parse(this.search.substr(1)):this.query=this.search.substr(1)):s&&(this.search="",this.query={}),this}var l=protocolPattern.exec(n);if(l){l=l[0];var u=l.toLowerCase();this.protocol=u,n=n.substr(l.length)}if(e||l||n.match(/^\/\/[^@\/]+@[^@\/]+/)){var p="//"===n.substr(0,2);!p||l&&hostlessProtocol[l]||(n=n.substr(2),this.slashes=!0)}if(!hostlessProtocol[l]&&(p||l&&!slashedProtocol[l])){for(var c=-1,f=0;f<hostEndingChars.length;f++){var m=n.indexOf(hostEndingChars[f]);-1!==m&&(-1===c||c>m)&&(c=m)}var v,g;g=-1===c?n.lastIndexOf("@"):n.lastIndexOf("@",c),-1!==g&&(v=n.slice(0,g),n=n.slice(g+1),this.auth=decodeURIComponent(v)),c=-1;for(var f=0;f<nonHostChars.length;f++){var m=n.indexOf(nonHostChars[f]);-1!==m&&(-1===c||c>m)&&(c=m)}-1===c&&(c=n.length),this.host=n.slice(0,c),n=n.slice(c),this.parseHost(),this.hostname=this.hostname||"";var y="["===this.hostname[0]&&"]"===this.hostname[this.hostname.length-1];if(!y)for(var P=this.hostname.split(/\./),f=0,d=P.length;d>f;f++){var q=P[f];if(q&&!q.match(hostnamePartPattern)){for(var b="",O=0,j=q.length;j>O;O++)b+=q.charCodeAt(O)>127?"x":q[O];if(!b.match(hostnamePartPattern)){var x=P.slice(0,f),U=P.slice(f+1),C=q.match(hostnamePartStart);C&&(x.push(C[1]),U.unshift(C[2])),U.length&&(n="/"+U.join(".")+n),this.hostname=x.join(".");break}}}this.hostname.length>hostnameMaxLen?this.hostname="":this.hostname=this.hostname.toLowerCase(),y||(this.hostname=punycode.toASCII(this.hostname));var A=this.port?":"+this.port:"",w=this.hostname||"";this.host=w+A,this.href+=this.host,y&&(this.hostname=this.hostname.substr(1,this.hostname.length-2),"/"!==n[0]&&(n="/"+n))}if(!unsafeProtocol[u])for(var f=0,d=autoEscape.length;d>f;f++){var E=autoEscape[f];if(-1!==n.indexOf(E)){var I=encodeURIComponent(E);I===E&&(I=escape(E)),n=n.split(E).join(I)}}var R=n.indexOf("#");-1!==R&&(this.hash=n.substr(R),n=n.slice(0,R));var S=n.indexOf("?");if(-1!==S?(this.search=n.substr(S),this.query=n.substr(S+1),s&&(this.query=querystring.parse(this.query)),n=n.slice(0,S)):s&&(this.search="",this.query={}),n&&(this.pathname=n),slashedProtocol[u]&&this.hostname&&!this.pathname&&(this.pathname="/"),this.pathname||this.search){var A=this.pathname||"",k=this.search||"";this.path=A+k}return this.href=this.format(),this},Url.prototype.format=function(){var t=this.auth||"";t&&(t=encodeURIComponent(t),t=t.replace(/%3A/i,":"),t+="@");var s=this.protocol||"",e=this.pathname||"",h=this.hash||"",r=!1,a="";this.host?r=t+this.host:this.hostname&&(r=t+(-1===this.hostname.indexOf(":")?this.hostname:"["+this.hostname+"]"),this.port&&(r+=":"+this.port)),this.query&&util.isObject(this.query)&&Object.keys(this.query).length&&(a=querystring.stringify(this.query));var o=this.search||a&&"?"+a||"";return s&&":"!==s.substr(-1)&&(s+=":"),this.slashes||(!s||slashedProtocol[s])&&r!==!1?(r="//"+(r||""),e&&"/"!==e.charAt(0)&&(e="/"+e)):r||(r=""),h&&"#"!==h.charAt(0)&&(h="#"+h),o&&"?"!==o.charAt(0)&&(o="?"+o),e=e.replace(/[?#]/g,function(t){return encodeURIComponent(t)}),o=o.replace("#","%23"),s+r+e+o+h},Url.prototype.resolve=function(t){return this.resolveObject(urlParse(t,!1,!0)).format()},Url.prototype.resolveObject=function(t){if(util.isString(t)){var s=new Url;s.parse(t,!1,!0),t=s}for(var e=new Url,h=Object.keys(this),r=0;r<h.length;r++){var a=h[r];e[a]=this[a]}if(e.hash=t.hash,""===t.href)return e.href=e.format(),e;if(t.slashes&&!t.protocol){for(var o=Object.keys(t),n=0;n<o.length;n++){var i=o[n];"protocol"!==i&&(e[i]=t[i])}return slashedProtocol[e.protocol]&&e.hostname&&!e.pathname&&(e.path=e.pathname="/"),e.href=e.format(),e}if(t.protocol&&t.protocol!==e.protocol){if(!slashedProtocol[t.protocol]){for(var l=Object.keys(t),u=0;u<l.length;u++){var p=l[u];e[p]=t[p]}return e.href=e.format(),e}if(e.protocol=t.protocol,t.host||hostlessProtocol[t.protocol])e.pathname=t.pathname;else{for(var c=(t.pathname||"").split("/");c.length&&!(t.host=c.shift()););t.host||(t.host=""),t.hostname||(t.hostname=""),""!==c[0]&&c.unshift(""),c.length<2&&c.unshift(""),e.pathname=c.join("/")}if(e.search=t.search,e.query=t.query,e.host=t.host||"",e.auth=t.auth,e.hostname=t.hostname||t.host,e.port=t.port,e.pathname||e.search){var f=e.pathname||"",m=e.search||"";e.path=f+m}return e.slashes=e.slashes||t.slashes,e.href=e.format(),e}var v=e.pathname&&"/"===e.pathname.charAt(0),g=t.host||t.pathname&&"/"===t.pathname.charAt(0),y=g||v||e.host&&t.pathname,P=y,d=e.pathname&&e.pathname.split("/")||[],c=t.pathname&&t.pathname.split("/")||[],q=e.protocol&&!slashedProtocol[e.protocol];if(q&&(e.hostname="",e.port=null,e.host&&(""===d[0]?d[0]=e.host:d.unshift(e.host)),e.host="",t.protocol&&(t.hostname=null,t.port=null,t.host&&(""===c[0]?c[0]=t.host:c.unshift(t.host)),t.host=null),y=y&&(""===c[0]||""===d[0])),g)e.host=t.host||""===t.host?t.host:e.host,e.hostname=t.hostname||""===t.hostname?t.hostname:e.hostname,e.search=t.search,e.query=t.query,d=c;else if(c.length)d||(d=[]),d.pop(),d=d.concat(c),e.search=t.search,e.query=t.query;else if(!util.isNullOrUndefined(t.search)){if(q){e.hostname=e.host=d.shift();var b=e.host&&e.host.indexOf("@")>0?e.host.split("@"):!1;b&&(e.auth=b.shift(),e.host=e.hostname=b.shift())}return e.search=t.search,e.query=t.query,util.isNull(e.pathname)&&util.isNull(e.search)||(e.path=(e.pathname?e.pathname:"")+(e.search?e.search:"")),e.href=e.format(),e}if(!d.length)return e.pathname=null,e.search?e.path="/"+e.search:e.path=null,e.href=e.format(),e;for(var O=d.slice(-1)[0],j=(e.host||t.host||d.length>1)&&("."===O||".."===O)||""===O,x=0,U=d.length;U>=0;U--)O=d[U],"."===O?d.splice(U,1):".."===O?(d.splice(U,1),x++):x&&(d.splice(U,1),x--);if(!y&&!P)for(;x--;x)d.unshift("..");!y||""===d[0]||d[0]&&"/"===d[0].charAt(0)||d.unshift(""),j&&"/"!==d.join("/").substr(-1)&&d.push("");var C=""===d[0]||d[0]&&"/"===d[0].charAt(0);if(q){e.hostname=e.host=C?"":d.length?d.shift():"";var b=e.host&&e.host.indexOf("@")>0?e.host.split("@"):!1;b&&(e.auth=b.shift(),e.host=e.hostname=b.shift())}return y=y||e.host&&d.length,y&&!C&&d.unshift(""),d.length?e.pathname=d.join("/"):(e.pathname=null,e.path=null),util.isNull(e.pathname)&&util.isNull(e.search)||(e.path=(e.pathname?e.pathname:"")+(e.search?e.search:"")),e.auth=t.auth||e.auth,e.slashes=e.slashes||t.slashes,e.href=e.format(),e},Url.prototype.parseHost=function(){var t=this.host,s=portPattern.exec(t);s&&(s=s[0],":"!==s&&(this.port=s.substr(1)),t=t.substr(0,t.length-s.length)),t&&(this.hostname=t)};
-},{"./util":118,"punycode":113,"querystring":116}],118:[function(require,module,exports){
-"use strict";module.exports={isString:function(n){return"string"==typeof n},isObject:function(n){return"object"==typeof n&&null!==n},isNull:function(n){return null===n},isNullOrUndefined:function(n){return null==n}};
-},{}],119:[function(require,module,exports){
+},{"./buffer":192}],194:[function(require,module,exports){
+"use strict";function Point(t,n){this.x=t,this.y=n}module.exports=Point,Point.prototype={clone:function(){return new Point(this.x,this.y)},add:function(t){return this.clone()._add(t)},sub:function(t){return this.clone()._sub(t)},mult:function(t){return this.clone()._mult(t)},div:function(t){return this.clone()._div(t)},rotate:function(t){return this.clone()._rotate(t)},matMult:function(t){return this.clone()._matMult(t)},unit:function(){return this.clone()._unit()},perp:function(){return this.clone()._perp()},round:function(){return this.clone()._round()},mag:function(){return Math.sqrt(this.x*this.x+this.y*this.y)},equals:function(t){return this.x===t.x&&this.y===t.y},dist:function(t){return Math.sqrt(this.distSqr(t))},distSqr:function(t){var n=t.x-this.x,i=t.y-this.y;return n*n+i*i},angle:function(){return Math.atan2(this.y,this.x)},angleTo:function(t){return Math.atan2(this.y-t.y,this.x-t.x)},angleWith:function(t){return this.angleWithSep(t.x,t.y)},angleWithSep:function(t,n){return Math.atan2(this.x*n-this.y*t,this.x*t+this.y*n)},_matMult:function(t){var n=t[0]*this.x+t[1]*this.y,i=t[2]*this.x+t[3]*this.y;return this.x=n,this.y=i,this},_add:function(t){return this.x+=t.x,this.y+=t.y,this},_sub:function(t){return this.x-=t.x,this.y-=t.y,this},_mult:function(t){return this.x*=t,this.y*=t,this},_div:function(t){return this.x/=t,this.y/=t,this},_unit:function(){return this._div(this.mag()),this},_perp:function(){var t=this.y;return this.y=this.x,this.x=-t,this},_rotate:function(t){var n=Math.cos(t),i=Math.sin(t),s=n*this.x-i*this.y,r=i*this.x+n*this.y;return this.x=s,this.y=r,this},_round:function(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this}},Point.convert=function(t){return t instanceof Point?t:Array.isArray(t)?new Point(t[0],t[1]):t};
+},{}],195:[function(require,module,exports){
+function defaultSetTimout(){throw new Error("setTimeout has not been defined")}function defaultClearTimeout(){throw new Error("clearTimeout has not been defined")}function runTimeout(e){if(cachedSetTimeout===setTimeout)return setTimeout(e,0);if((cachedSetTimeout===defaultSetTimout||!cachedSetTimeout)&&setTimeout)return cachedSetTimeout=setTimeout,setTimeout(e,0);try{return cachedSetTimeout(e,0)}catch(t){try{return cachedSetTimeout.call(null,e,0)}catch(t){return cachedSetTimeout.call(this,e,0)}}}function runClearTimeout(e){if(cachedClearTimeout===clearTimeout)return clearTimeout(e);if((cachedClearTimeout===defaultClearTimeout||!cachedClearTimeout)&&clearTimeout)return cachedClearTimeout=clearTimeout,clearTimeout(e);try{return cachedClearTimeout(e)}catch(t){try{return cachedClearTimeout.call(null,e)}catch(t){return cachedClearTimeout.call(this,e)}}}function cleanUpNextTick(){draining&&currentQueue&&(draining=!1,currentQueue.length?queue=currentQueue.concat(queue):queueIndex=-1,queue.length&&drainQueue())}function drainQueue(){if(!draining){var e=runTimeout(cleanUpNextTick);draining=!0;for(var t=queue.length;t;){for(currentQueue=queue,queue=[];++queueIndex<t;)currentQueue&&currentQueue[queueIndex].run();queueIndex=-1,t=queue.length}currentQueue=null,draining=!1,runClearTimeout(e)}}function Item(e,t){this.fun=e,this.array=t}function noop(){}var process=module.exports={},cachedSetTimeout,cachedClearTimeout;!function(){try{cachedSetTimeout="function"==typeof setTimeout?setTimeout:defaultSetTimout}catch(e){cachedSetTimeout=defaultSetTimout}try{cachedClearTimeout="function"==typeof clearTimeout?clearTimeout:defaultClearTimeout}catch(e){cachedClearTimeout=defaultClearTimeout}}();var queue=[],draining=!1,currentQueue,queueIndex=-1;process.nextTick=function(e){var t=new Array(arguments.length-1);if(arguments.length>1)for(var u=1;u<arguments.length;u++)t[u-1]=arguments[u];queue.push(new Item(e,t)),1!==queue.length||draining||runTimeout(drainQueue)},Item.prototype.run=function(){this.fun.apply(null,this.array)},process.title="browser",process.browser=!0,process.env={},process.argv=[],process.version="",process.versions={},process.on=noop,process.addListener=noop,process.once=noop,process.off=noop,process.removeListener=noop,process.removeAllListeners=noop,process.emit=noop,process.binding=function(e){throw new Error("process.binding is not supported")},process.cwd=function(){return"/"},process.chdir=function(e){throw new Error("process.chdir is not supported")},process.umask=function(){return 0};
+},{}],196:[function(require,module,exports){
+"use strict";function partialSort(a,t,r,o,p){for(r=r||0,o=o||a.length-1,p=p||defaultCompare;o>r;){if(o-r>600){var f=o-r+1,e=t-r+1,l=Math.log(f),s=.5*Math.exp(2*l/3),i=.5*Math.sqrt(l*s*(f-s)/f)*(e-f/2<0?-1:1),n=Math.max(r,Math.floor(t-e*s/f+i)),h=Math.min(o,Math.floor(t+(f-e)*s/f+i));partialSort(a,t,n,h,p)}var u=a[t],M=r,w=o;for(swap(a,r,t),p(a[o],u)>0&&swap(a,r,o);M<w;){for(swap(a,M,w),M++,w--;p(a[M],u)<0;)M++;for(;p(a[w],u)>0;)w--}0===p(a[r],u)?swap(a,r,w):(w++,swap(a,w,o)),w<=t&&(r=w+1),t<=w&&(o=w-1)}}function swap(a,t,r){var o=a[t];a[t]=a[r],a[r]=o}function defaultCompare(a,t){return a<t?-1:a>t?1:0}module.exports=partialSort;
+},{}],197:[function(require,module,exports){
+!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):t.ShelfPack=e()}(this,function(){function t(t,e,s){s=s||{},this.w=t||64,this.h=e||64,this.autoResize=!!s.autoResize,this.shelves=[],this.stats={},this.count=function(t){this.stats[t]=(0|this.stats[t])+1}}function e(t,e,s){this.x=0,this.y=t,this.w=this.free=e,this.h=s}return t.prototype.pack=function(t,e){t=[].concat(t),e=e||{};for(var s,h,i,n=[],r=0;r<t.length;r++)if(s=t[r].w||t[r].width,h=t[r].h||t[r].height,s&&h){if(i=this.packOne(s,h),!i)continue;e.inPlace&&(t[r].x=i.x,t[r].y=i.y),n.push(i)}if(this.shelves.length>0){for(var o=0,f=0,u=0;u<this.shelves.length;u++){var l=this.shelves[u];f+=l.h,o=Math.max(l.w-l.free,o)}this.resize(o,f)}return n},t.prototype.packOne=function(t,s){for(var h,i,n=0,r={shelf:-1,waste:1/0},o=0;o<this.shelves.length;o++){if(h=this.shelves[o],n+=h.h,s===h.h&&t<=h.free)return this.count(s),h.alloc(t,s);s>h.h||t>h.free||s<h.h&&t<=h.free&&(i=h.h-s,i<r.waste&&(r.waste=i,r.shelf=o))}if(r.shelf!==-1)return h=this.shelves[r.shelf],this.count(s),h.alloc(t,s);if(s<=this.h-n&&t<=this.w)return h=new e(n,this.w,s),this.shelves.push(h),this.count(s),h.alloc(t,s);if(this.autoResize){var f,u,l,a;return f=u=this.h,l=a=this.w,(l<=f||t>l)&&(a=2*Math.max(t,l)),(f<l||s>f)&&(u=2*Math.max(s,f)),this.resize(a,u),this.packOne(t,s)}return null},t.prototype.clear=function(){this.shelves=[],this.stats={}},t.prototype.resize=function(t,e){this.w=t,this.h=e;for(var s=0;s<this.shelves.length;s++)this.shelves[s].resize(t);return!0},e.prototype.alloc=function(t,e){if(t>this.free||e>this.h)return null;var s=this.x;return this.x+=t,this.free-=t,{x:s,y:this.y,w:t,h:e,width:t,height:e}},e.prototype.resize=function(t){return this.free+=t-this.w,this.w=t,!0},t});
+},{}],198:[function(require,module,exports){
+"use strict";function supercluster(t){return new SuperCluster(t)}function SuperCluster(t){this.options=extend(Object.create(this.options),t),this.trees=new Array(this.options.maxZoom+1)}function createCluster(t,e,o,n){return{x:t,y:e,zoom:1/0,id:n,numPoints:o}}function createPointCluster(t,e){var o=t.geometry.coordinates;return createCluster(lngX(o[0]),latY(o[1]),1,e)}function getClusterJSON(t){return{type:"Feature",properties:getClusterProperties(t),geometry:{type:"Point",coordinates:[xLng(t.x),yLat(t.y)]}}}function getClusterProperties(t){var e=t.numPoints,o=e>=1e4?Math.round(e/1e3)+"k":e>=1e3?Math.round(e/100)/10+"k":e;return{cluster:!0,point_count:e,point_count_abbreviated:o}}function lngX(t){return t/360+.5}function latY(t){var e=Math.sin(t*Math.PI/180),o=.5-.25*Math.log((1+e)/(1-e))/Math.PI;return o<0?0:o>1?1:o}function xLng(t){return 360*(t-.5)}function yLat(t){var e=(180-360*t)*Math.PI/180;return 360*Math.atan(Math.exp(e))/Math.PI-90}function extend(t,e){for(var o in e)t[o]=e[o];return t}function getX(t){return t.x}function getY(t){return t.y}var kdbush=require("kdbush");module.exports=supercluster,SuperCluster.prototype={options:{minZoom:0,maxZoom:16,radius:40,extent:512,nodeSize:64,log:!1},load:function(t){var e=this.options.log;e&&console.time("total time");var o="prepare "+t.length+" points";e&&console.time(o),this.points=t;var n=t.map(createPointCluster);e&&console.timeEnd(o);for(var r=this.options.maxZoom;r>=this.options.minZoom;r--){var i=+Date.now();this.trees[r+1]=kdbush(n,getX,getY,this.options.nodeSize,Float32Array),n=this._cluster(n,r),e&&console.log("z%d: %d clusters in %dms",r,n.length,+Date.now()-i)}return this.trees[this.options.minZoom]=kdbush(n,getX,getY,this.options.nodeSize,Float32Array),e&&console.timeEnd("total time"),this},getClusters:function(t,e){for(var o=this.trees[this._limitZoom(e)],n=o.range(lngX(t[0]),latY(t[3]),lngX(t[2]),latY(t[1])),r=[],i=0;i<n.length;i++){var s=o.points[n[i]];r.push(s.id!==-1?this.points[s.id]:getClusterJSON(s))}return r},getTile:function(t,e,o){var n=this.trees[this._limitZoom(t)],r=Math.pow(2,t),i=this.options.extent,s=this.options.radius,u=s/i,a=(o-u)/r,h=(o+1+u)/r,l={features:[]};return this._addTileFeatures(n.range((e-u)/r,a,(e+1+u)/r,h),n.points,e,o,r,l),0===e&&this._addTileFeatures(n.range(1-u/r,a,1,h),n.points,r,o,r,l),e===r-1&&this._addTileFeatures(n.range(0,a,u/r,h),n.points,-1,o,r,l),l.features.length?l:null},_addTileFeatures:function(t,e,o,n,r,i){for(var s=0;s<t.length;s++){var u=e[t[s]];i.features.push({type:1,geometry:[[Math.round(this.options.extent*(u.x*r-o)),Math.round(this.options.extent*(u.y*r-n))]],tags:u.id!==-1?this.points[u.id].properties:getClusterProperties(u)})}},_limitZoom:function(t){return Math.max(this.options.minZoom,Math.min(t,this.options.maxZoom+1))},_cluster:function(t,e){for(var o=[],n=this.options.radius/(this.options.extent*Math.pow(2,e)),r=0;r<t.length;r++){var i=t[r];if(!(i.zoom<=e)){i.zoom=e;for(var s=this.trees[e+1],u=s.within(i.x,i.y,n),a=!1,h=i.numPoints,l=i.x*h,p=i.y*h,m=0;m<u.length;m++){var c=s.points[u[m]];e<c.zoom&&(a=!0,c.zoom=e,l+=c.x*c.numPoints,p+=c.y*c.numPoints,h+=c.numPoints)}o.push(a?createCluster(l/h,p/h,h,-1):i)}}return o}};
+},{"kdbush":156}],199:[function(require,module,exports){
+"use strict";function TinyQueue(t,i){if(!(this instanceof TinyQueue))return new TinyQueue(t,i);if(this.data=t||[],this.length=this.data.length,this.compare=i||defaultCompare,t)for(var a=Math.floor(this.length/2);a>=0;a--)this._down(a)}function defaultCompare(t,i){return t<i?-1:t>i?1:0}function swap(t,i,a){var n=t[i];t[i]=t[a],t[a]=n}module.exports=TinyQueue,TinyQueue.prototype={push:function(t){this.data.push(t),this.length++,this._up(this.length-1)},pop:function(){var t=this.data[0];return this.data[0]=this.data[this.length-1],this.length--,this.data.pop(),this._down(0),t},peek:function(){return this.data[0]},_up:function(t){for(var i=this.data,a=this.compare;t>0;){var n=Math.floor((t-1)/2);if(!(a(i[t],i[n])<0))break;swap(i,n,t),t=n}},_down:function(t){for(var i=this.data,a=this.compare,n=this.length;;){var e=2*t+1,h=e+1,s=t;if(e<n&&a(i[e],i[s])<0&&(s=e),h<n&&a(i[h],i[s])<0&&(s=h),s===t)return;swap(i,s,t),t=s}}};
+},{}],200:[function(require,module,exports){
+function UnitBezier(t,i,e,r){this.cx=3*t,this.bx=3*(e-t)-this.cx,this.ax=1-this.cx-this.bx,this.cy=3*i,this.by=3*(r-i)-this.cy,this.ay=1-this.cy-this.by,this.p1x=t,this.p1y=r,this.p2x=e,this.p2y=r}module.exports=UnitBezier,UnitBezier.prototype.sampleCurveX=function(t){return((this.ax*t+this.bx)*t+this.cx)*t},UnitBezier.prototype.sampleCurveY=function(t){return((this.ay*t+this.by)*t+this.cy)*t},UnitBezier.prototype.sampleCurveDerivativeX=function(t){return(3*this.ax*t+2*this.bx)*t+this.cx},UnitBezier.prototype.solveCurveX=function(t,i){"undefined"==typeof i&&(i=1e-6);var e,r,s,h,n;for(s=t,n=0;n<8;n++){if(h=this.sampleCurveX(s)-t,Math.abs(h)<i)return s;var u=this.sampleCurveDerivativeX(s);if(Math.abs(u)<1e-6)break;s-=h/u}if(e=0,r=1,s=t,s<e)return e;if(s>r)return r;for(;e<r;){if(h=this.sampleCurveX(s),Math.abs(h-t)<i)return s;t>h?e=s:r=s,s=.5*(r-e)+e}return s},UnitBezier.prototype.solve=function(t,i){return this.sampleCurveY(this.solveCurveX(t,i))};
+},{}],201:[function(require,module,exports){
+"function"==typeof Object.create?module.exports=function(t,e){t.super_=e,t.prototype=Object.create(e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}})}:module.exports=function(t,e){t.super_=e;var o=function(){};o.prototype=e.prototype,t.prototype=new o,t.prototype.constructor=t};
+},{}],202:[function(require,module,exports){
 module.exports=function(o){return o&&"object"==typeof o&&"function"==typeof o.copy&&"function"==typeof o.fill&&"function"==typeof o.readUInt8};
-},{}],120:[function(require,module,exports){
+},{}],203:[function(require,module,exports){
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"+s:" "+inspect(s);return o},exports.deprecate=function(e,r){function t(){if(!n){if(process.throwDeprecation)throw new Error(r);process.traceDeprecation?console.trace(r):console.error(r),n=!0}return e.apply(this,arguments)}if(isUndefined(global.process))return function(){return exports.deprecate(e,r).apply(this,arguments)};if(process.noDeprecation===!0)return e;var n=!1;return t};var debugs={},debugEnviron;exports.debuglog=function(e){if(isUndefined(debugEnviron)&&(debugEnviron=process.env.NODE_DEBUG||""),e=e.toUpperCase(),!debugs[e])if(new RegExp("\\b"+e+"\\b","i").test(debugEnviron)){var r=process.pid;debugs[e]=function(){var t=exports.format.apply(exports,arguments);console.error("%s %d: %s",e,r,t)}}else debugs[e]=function(){};return debugs[e]},exports.inspect=inspect,inspect.colors={bold:[1,22],italic:[3,23],underline:[4,24],inverse:[7,27],white:[37,39],grey:[90,39],black:[30,39],blue:[34,39],cyan:[36,39],green:[32,39],magenta:[35,39],red:[31,39],yellow:[33,39]},inspect.styles={special:"cyan",number:"yellow",boolean:"yellow",undefined:"grey",null:"bold",string:"green",date:"magenta",regexp:"red"},exports.isArray=isArray,exports.isBoolean=isBoolean,exports.isNull=isNull,exports.isNullOrUndefined=isNullOrUndefined,exports.isNumber=isNumber,exports.isString=isString,exports.isSymbol=isSymbol,exports.isUndefined=isUndefined,exports.isRegExp=isRegExp,exports.isObject=isObject,exports.isDate=isDate,exports.isError=isError,exports.isFunction=isFunction,exports.isPrimitive=isPrimitive,exports.isBuffer=require("./support/isBuffer");var months=["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];exports.log=function(){console.log("%s - %s",timestamp(),exports.format.apply(exports,arguments))},exports.inherits=require("inherits"),exports._extend=function(e,r){if(!r||!isObject(r))return e;for(var t=Object.keys(r),n=t.length;n--;)e[t[n]]=r[t[n]];return e};
 }).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
 
-},{"./support/isBuffer":119,"_process":112,"inherits":110}],121:[function(require,module,exports){
-function clamp_css_byte(e){return e=Math.round(e),0>e?0:e>255?255:e}function clamp_css_float(e){return 0>e?0:e>1?1:e}function parse_css_int(e){return clamp_css_byte("%"===e[e.length-1]?parseFloat(e)/100*255:parseInt(e))}function parse_css_float(e){return clamp_css_float("%"===e[e.length-1]?parseFloat(e)/100:parseFloat(e))}function css_hue_to_rgb(e,r,l){return 0>l?l+=1:l>1&&(l-=1),1>6*l?e+(r-e)*l*6:1>2*l?r:2>3*l?e+(r-e)*(2/3-l)*6:e}function parseCSSColor(e){var r=e.replace(/ /g,"").toLowerCase();if(r in kCSSColorTable)return kCSSColorTable[r].slice();if("#"===r[0]){if(4===r.length){var l=parseInt(r.substr(1),16);return l>=0&&4095>=l?[(3840&l)>>4|(3840&l)>>8,240&l|(240&l)>>4,15&l|(15&l)<<4,1]:null}if(7===r.length){var l=parseInt(r.substr(1),16);return l>=0&&16777215>=l?[(16711680&l)>>16,(65280&l)>>8,255&l,1]:null}return null}var a=r.indexOf("("),t=r.indexOf(")");if(-1!==a&&t+1===r.length){var n=r.substr(0,a),s=r.substr(a+1,t-(a+1)).split(","),o=1;switch(n){case"rgba":if(4!==s.length)return null;o=parse_css_float(s.pop());case"rgb":return 3!==s.length?null:[parse_css_int(s[0]),parse_css_int(s[1]),parse_css_int(s[2]),o];case"hsla":if(4!==s.length)return null;o=parse_css_float(s.pop());case"hsl":if(3!==s.length)return null;var i=(parseFloat(s[0])%360+360)%360/360,u=parse_css_float(s[1]),g=parse_css_float(s[2]),d=.5>=g?g*(u+1):g+u-g*u,c=2*g-d;return[clamp_css_byte(255*css_hue_to_rgb(c,d,i+1/3)),clamp_css_byte(255*css_hue_to_rgb(c,d,i)),clamp_css_byte(255*css_hue_to_rgb(c,d,i-1/3)),o];default:return null}}return null}var kCSSColorTable={transparent:[0,0,0,0],aliceblue:[240,248,255,1],antiquewhite:[250,235,215,1],aqua:[0,255,255,1],aquamarine:[127,255,212,1],azure:[240,255,255,1],beige:[245,245,220,1],bisque:[255,228,196,1],black:[0,0,0,1],blanchedalmond:[255,235,205,1],blue:[0,0,255,1],blueviolet:[138,43,226,1],brown:[165,42,42,1],burlywood:[222,184,135,1],cadetblue:[95,158,160,1],chartreuse:[127,255,0,1],chocolate:[210,105,30,1],coral:[255,127,80,1],cornflowerblue:[100,149,237,1],cornsilk:[255,248,220,1],crimson:[220,20,60,1],cyan:[0,255,255,1],darkblue:[0,0,139,1],darkcyan:[0,139,139,1],darkgoldenrod:[184,134,11,1],darkgray:[169,169,169,1],darkgreen:[0,100,0,1],darkgrey:[169,169,169,1],darkkhaki:[189,183,107,1],darkmagenta:[139,0,139,1],darkolivegreen:[85,107,47,1],darkorange:[255,140,0,1],darkorchid:[153,50,204,1],darkred:[139,0,0,1],darksalmon:[233,150,122,1],darkseagreen:[143,188,143,1],darkslateblue:[72,61,139,1],darkslategray:[47,79,79,1],darkslategrey:[47,79,79,1],darkturquoise:[0,206,209,1],darkviolet:[148,0,211,1],deeppink:[255,20,147,1],deepskyblue:[0,191,255,1],dimgray:[105,105,105,1],dimgrey:[105,105,105,1],dodgerblue:[30,144,255,1],firebrick:[178,34,34,1],floralwhite:[255,250,240,1],forestgreen:[34,139,34,1],fuchsia:[255,0,255,1],gainsboro:[220,220,220,1],ghostwhite:[248,248,255,1],gold:[255,215,0,1],goldenrod:[218,165,32,1],gray:[128,128,128,1],green:[0,128,0,1],greenyellow:[173,255,47,1],grey:[128,128,128,1],honeydew:[240,255,240,1],hotpink:[255,105,180,1],indianred:[205,92,92,1],indigo:[75,0,130,1],ivory:[255,255,240,1],khaki:[240,230,140,1],lavender:[230,230,250,1],lavenderblush:[255,240,245,1],lawngreen:[124,252,0,1],lemonchiffon:[255,250,205,1],lightblue:[173,216,230,1],lightcoral:[240,128,128,1],lightcyan:[224,255,255,1],lightgoldenrodyellow:[250,250,210,1],lightgray:[211,211,211,1],lightgreen:[144,238,144,1],lightgrey:[211,211,211,1],lightpink:[255,182,193,1],lightsalmon:[255,160,122,1],lightseagreen:[32,178,170,1],lightskyblue:[135,206,250,1],lightslategray:[119,136,153,1],lightslategrey:[119,136,153,1],lightsteelblue:[176,196,222,1],lightyellow:[255,255,224,1],lime:[0,255,0,1],limegreen:[50,205,50,1],linen:[250,240,230,1],magenta:[255,0,255,1],maroon:[128,0,0,1],mediumaquamarine:[102,205,170,1],mediumblue:[0,0,205,1],mediumorchid:[186,85,211,1],mediumpurple:[147,112,219,1],mediumseagreen:[60,179,113,1],mediumslateblue:[123,104,238,1],mediumspringgreen:[0,250,154,1],mediumturquoise:[72,209,204,1],mediumvioletred:[199,21,133,1],midnightblue:[25,25,112,1],mintcream:[245,255,250,1],mistyrose:[255,228,225,1],moccasin:[255,228,181,1],navajowhite:[255,222,173,1],navy:[0,0,128,1],oldlace:[253,245,230,1],olive:[128,128,0,1],olivedrab:[107,142,35,1],orange:[255,165,0,1],orangered:[255,69,0,1],orchid:[218,112,214,1],palegoldenrod:[238,232,170,1],palegreen:[152,251,152,1],paleturquoise:[175,238,238,1],palevioletred:[219,112,147,1],papayawhip:[255,239,213,1],peachpuff:[255,218,185,1],peru:[205,133,63,1],pink:[255,192,203,1],plum:[221,160,221,1],powderblue:[176,224,230,1],purple:[128,0,128,1],red:[255,0,0,1],rosybrown:[188,143,143,1],royalblue:[65,105,225,1],saddlebrown:[139,69,19,1],salmon:[250,128,114,1],sandybrown:[244,164,96,1],seagreen:[46,139,87,1],seashell:[255,245,238,1],sienna:[160,82,45,1],silver:[192,192,192,1],skyblue:[135,206,235,1],slateblue:[106,90,205,1],slategray:[112,128,144,1],slategrey:[112,128,144,1],snow:[255,250,250,1],springgreen:[0,255,127,1],steelblue:[70,130,180,1],tan:[210,180,140,1],teal:[0,128,128,1],thistle:[216,191,216,1],tomato:[255,99,71,1],turquoise:[64,224,208,1],violet:[238,130,238,1],wheat:[245,222,179,1],white:[255,255,255,1],whitesmoke:[245,245,245,1],yellow:[255,255,0,1],yellowgreen:[154,205,50,1]};try{exports.parseCSSColor=parseCSSColor}catch(e){}
-},{}],122:[function(require,module,exports){
-"use strict";function earcut(e,n,r){r=r||2;var t=n&&n.length,i=t?n[0]*r:e.length,x=linkedList(e,0,i,r,!0),a=[];if(!x)return a;var o,l,u,s,v,f,y;if(t&&(x=eliminateHoles(e,n,x,r)),e.length>80*r){o=u=e[0],l=s=e[1];for(var d=r;i>d;d+=r)v=e[d],f=e[d+1],o>v&&(o=v),l>f&&(l=f),v>u&&(u=v),f>s&&(s=f);y=Math.max(u-o,s-l)}return earcutLinked(x,a,r,o,l,y),a}function linkedList(e,n,r,t,i){var x,a;if(i===signedArea(e,n,r,t)>0)for(x=n;r>x;x+=t)a=insertNode(x,e[x],e[x+1],a);else for(x=r-t;x>=n;x-=t)a=insertNode(x,e[x],e[x+1],a);return a&&equals(a,a.next)&&(removeNode(a),a=a.next),a}function filterPoints(e,n){if(!e)return e;n||(n=e);var r,t=e;do if(r=!1,t.steiner||!equals(t,t.next)&&0!==area(t.prev,t,t.next))t=t.next;else{if(removeNode(t),t=n=t.prev,t===t.next)return null;r=!0}while(r||t!==n);return n}function earcutLinked(e,n,r,t,i,x,a){if(e){!a&&x&&indexCurve(e,t,i,x);for(var o,l,u=e;e.prev!==e.next;)if(o=e.prev,l=e.next,x?isEarHashed(e,t,i,x):isEar(e))n.push(o.i/r),n.push(e.i/r),n.push(l.i/r),removeNode(e),e=l.next,u=l.next;else if(e=l,e===u){a?1===a?(e=cureLocalIntersections(e,n,r),earcutLinked(e,n,r,t,i,x,2)):2===a&&splitEarcut(e,n,r,t,i,x):earcutLinked(filterPoints(e),n,r,t,i,x,1);break}}}function isEar(e){var n=e.prev,r=e,t=e.next;if(area(n,r,t)>=0)return!1;for(var i=e.next.next;i!==e.prev;){if(pointInTriangle(n.x,n.y,r.x,r.y,t.x,t.y,i.x,i.y)&&area(i.prev,i,i.next)>=0)return!1;i=i.next}return!0}function isEarHashed(e,n,r,t){var i=e.prev,x=e,a=e.next;if(area(i,x,a)>=0)return!1;for(var o=i.x<x.x?i.x<a.x?i.x:a.x:x.x<a.x?x.x:a.x,l=i.y<x.y?i.y<a.y?i.y:a.y:x.y<a.y?x.y:a.y,u=i.x>x.x?i.x>a.x?i.x:a.x:x.x>a.x?x.x:a.x,s=i.y>x.y?i.y>a.y?i.y:a.y:x.y>a.y?x.y:a.y,v=zOrder(o,l,n,r,t),f=zOrder(u,s,n,r,t),y=e.nextZ;y&&y.z<=f;){if(y!==e.prev&&y!==e.next&&pointInTriangle(i.x,i.y,x.x,x.y,a.x,a.y,y.x,y.y)&&area(y.prev,y,y.next)>=0)return!1;y=y.nextZ}for(y=e.prevZ;y&&y.z>=v;){if(y!==e.prev&&y!==e.next&&pointInTriangle(i.x,i.y,x.x,x.y,a.x,a.y,y.x,y.y)&&area(y.prev,y,y.next)>=0)return!1;y=y.prevZ}return!0}function cureLocalIntersections(e,n,r){var t=e;do{var i=t.prev,x=t.next.next;!equals(i,x)&&intersects(i,t,t.next,x)&&locallyInside(i,x)&&locallyInside(x,i)&&(n.push(i.i/r),n.push(t.i/r),n.push(x.i/r),removeNode(t),removeNode(t.next),t=e=x),t=t.next}while(t!==e);return t}function splitEarcut(e,n,r,t,i,x){var a=e;do{for(var o=a.next.next;o!==a.prev;){if(a.i!==o.i&&isValidDiagonal(a,o)){var l=splitPolygon(a,o);return a=filterPoints(a,a.next),l=filterPoints(l,l.next),earcutLinked(a,n,r,t,i,x),void earcutLinked(l,n,r,t,i,x)}o=o.next}a=a.next}while(a!==e)}function eliminateHoles(e,n,r,t){var i,x,a,o,l,u=[];for(i=0,x=n.length;x>i;i++)a=n[i]*t,o=x-1>i?n[i+1]*t:e.length,l=linkedList(e,a,o,t,!1),l===l.next&&(l.steiner=!0),u.push(getLeftmost(l));for(u.sort(compareX),i=0;i<u.length;i++)eliminateHole(u[i],r),r=filterPoints(r,r.next);return r}function compareX(e,n){return e.x-n.x}function eliminateHole(e,n){if(n=findHoleBridge(e,n)){var r=splitPolygon(n,e);filterPoints(r,r.next)}}function findHoleBridge(e,n){var r,t=n,i=e.x,x=e.y,a=-(1/0);do{if(x<=t.y&&x>=t.next.y){var o=t.x+(x-t.y)*(t.next.x-t.x)/(t.next.y-t.y);if(i>=o&&o>a){if(a=o,o===i){if(x===t.y)return t;if(x===t.next.y)return t.next}r=t.x<t.next.x?t:t.next}}t=t.next}while(t!==n);if(!r)return null;if(i===a)return r.prev;var l,u=r,s=r.x,v=r.y,f=1/0;for(t=r.next;t!==u;)i>=t.x&&t.x>=s&&pointInTriangle(v>x?i:a,x,s,v,v>x?a:i,x,t.x,t.y)&&(l=Math.abs(x-t.y)/(i-t.x),(f>l||l===f&&t.x>r.x)&&locallyInside(t,e)&&(r=t,f=l)),t=t.next;return r}function indexCurve(e,n,r,t){var i=e;do null===i.z&&(i.z=zOrder(i.x,i.y,n,r,t)),i.prevZ=i.prev,i.nextZ=i.next,i=i.next;while(i!==e);i.prevZ.nextZ=null,i.prevZ=null,sortLinked(i)}function sortLinked(e){var n,r,t,i,x,a,o,l,u=1;do{for(r=e,e=null,x=null,a=0;r;){for(a++,t=r,o=0,n=0;u>n&&(o++,t=t.nextZ,t);n++);for(l=u;o>0||l>0&&t;)0===o?(i=t,t=t.nextZ,l--):0!==l&&t?r.z<=t.z?(i=r,r=r.nextZ,o--):(i=t,t=t.nextZ,l--):(i=r,r=r.nextZ,o--),x?x.nextZ=i:e=i,i.prevZ=x,x=i;r=t}x.nextZ=null,u*=2}while(a>1);return e}function zOrder(e,n,r,t,i){return e=32767*(e-r)/i,n=32767*(n-t)/i,e=16711935&(e|e<<8),e=252645135&(e|e<<4),e=858993459&(e|e<<2),e=1431655765&(e|e<<1),n=16711935&(n|n<<8),n=252645135&(n|n<<4),n=858993459&(n|n<<2),n=1431655765&(n|n<<1),e|n<<1}function getLeftmost(e){var n=e,r=e;do n.x<r.x&&(r=n),n=n.next;while(n!==e);return r}function pointInTriangle(e,n,r,t,i,x,a,o){return(i-a)*(n-o)-(e-a)*(x-o)>=0&&(e-a)*(t-o)-(r-a)*(n-o)>=0&&(r-a)*(x-o)-(i-a)*(t-o)>=0}function isValidDiagonal(e,n){return e.next.i!==n.i&&e.prev.i!==n.i&&!intersectsPolygon(e,n)&&locallyInside(e,n)&&locallyInside(n,e)&&middleInside(e,n)}function area(e,n,r){return(n.y-e.y)*(r.x-n.x)-(n.x-e.x)*(r.y-n.y)}function equals(e,n){return e.x===n.x&&e.y===n.y}function intersects(e,n,r,t){return equals(e,n)&&equals(r,t)||equals(e,t)&&equals(r,n)?!0:area(e,n,r)>0!=area(e,n,t)>0&&area(r,t,e)>0!=area(r,t,n)>0}function intersectsPolygon(e,n){var r=e;do{if(r.i!==e.i&&r.next.i!==e.i&&r.i!==n.i&&r.next.i!==n.i&&intersects(r,r.next,e,n))return!0;r=r.next}while(r!==e);return!1}function locallyInside(e,n){return area(e.prev,e,e.next)<0?area(e,n,e.next)>=0&&area(e,e.prev,n)>=0:area(e,n,e.prev)<0||area(e,e.next,n)<0}function middleInside(e,n){var r=e,t=!1,i=(e.x+n.x)/2,x=(e.y+n.y)/2;do r.y>x!=r.next.y>x&&i<(r.next.x-r.x)*(x-r.y)/(r.next.y-r.y)+r.x&&(t=!t),r=r.next;while(r!==e);return t}function splitPolygon(e,n){var r=new Node(e.i,e.x,e.y),t=new Node(n.i,n.x,n.y),i=e.next,x=n.prev;return e.next=n,n.prev=e,r.next=i,i.prev=r,t.next=r,r.prev=t,x.next=t,t.prev=x,t}function insertNode(e,n,r,t){var i=new Node(e,n,r);return t?(i.next=t.next,i.prev=t,t.next.prev=i,t.next=i):(i.prev=i,i.next=i),i}function removeNode(e){e.next.prev=e.prev,e.prev.next=e.next,e.prevZ&&(e.prevZ.nextZ=e.nextZ),e.nextZ&&(e.nextZ.prevZ=e.prevZ)}function Node(e,n,r){this.i=e,this.x=n,this.y=r,this.prev=null,this.next=null,this.z=null,this.prevZ=null,this.nextZ=null,this.steiner=!1}function signedArea(e,n,r,t){for(var i=0,x=n,a=r-t;r>x;x+=t)i+=(e[a]-e[x])*(e[x+1]+e[a+1]),a=x;return i}module.exports=earcut,earcut.deviation=function(e,n,r,t){var i=n&&n.length,x=i?n[0]*r:e.length,a=Math.abs(signedArea(e,0,x,r));if(i)for(var o=0,l=n.length;l>o;o++){var u=n[o]*r,s=l-1>o?n[o+1]*r:e.length;a-=Math.abs(signedArea(e,u,s,r))}var v=0;for(o=0;o<t.length;o+=3){var f=t[o]*r,y=t[o+1]*r,d=t[o+2]*r;v+=Math.abs((e[f]-e[d])*(e[y+1]-e[f+1])-(e[f]-e[y])*(e[d+1]-e[f+1]))}return 0===a&&0===v?0:Math.abs((v-a)/a)},earcut.flatten=function(e){for(var n=e[0][0].length,r={vertices:[],holes:[],dimensions:n},t=0,i=0;i<e.length;i++){for(var x=0;x<e[i].length;x++)for(var a=0;n>a;a++)r.vertices.push(e[i][x][a]);i>0&&(t+=e[i-1].length,r.holes.push(t))}return r};
-},{}],123:[function(require,module,exports){
-"use strict";function createFilter(e){return new Function("f","var p = (f && f.properties || {}); return "+compile(e))}function compile(e){if(!e)return"true";var i=e[0];if(e.length<=1)return"any"===i?"false":"true";var n="=="===i?compileComparisonOp(e[1],e[2],"===",!1):"!="===i?compileComparisonOp(e[1],e[2],"!==",!1):"<"===i||">"===i||"<="===i||">="===i?compileComparisonOp(e[1],e[2],i,!0):"any"===i?compileLogicalOp(e.slice(1),"||"):"all"===i?compileLogicalOp(e.slice(1),"&&"):"none"===i?compileNegation(compileLogicalOp(e.slice(1),"||")):"in"===i?compileInOp(e[1],e.slice(2)):"!in"===i?compileNegation(compileInOp(e[1],e.slice(2))):"has"===i?compileHasOp(e[1]):"!has"===i?compileNegation(compileHasOp([e[1]])):"true";return"("+n+")"}function compilePropertyReference(e){return"$type"===e?"f.type":"p["+JSON.stringify(e)+"]"}function compileComparisonOp(e,i,n,r){var o=compilePropertyReference(e),t="$type"===e?types.indexOf(i):JSON.stringify(i);return(r?"typeof "+o+"=== typeof "+t+"&&":"")+o+n+t}function compileLogicalOp(e,i){return e.map(compile).join(i)}function compileInOp(e,i){"$type"===e&&(i=i.map(function(e){return types.indexOf(e)}));var n=JSON.stringify(i.sort(compare)),r=compilePropertyReference(e);return i.length<=200?n+".indexOf("+r+") !== -1":"function(v, a, i, j) {while (i <= j) { var m = (i + j) >> 1;    if (a[m] === v) return true; if (a[m] > v) j = m - 1; else i = m + 1;}return false; }("+r+", "+n+",0,"+(i.length-1)+")"}function compileHasOp(e){return JSON.stringify(e)+" in p"}function compileNegation(e){return"!("+e+")"}function compare(e,i){return i>e?-1:e>i?1:0}module.exports=createFilter;var types=["Unknown","Point","LineString","Polygon"];
-},{}],124:[function(require,module,exports){
-function rewind(r,e){switch(r&&r.type||null){case"FeatureCollection":return r.features=r.features.map(curryOuter(rewind,e)),r;case"Feature":return r.geometry=rewind(r.geometry,e),r;case"Polygon":case"MultiPolygon":return correct(r,e);default:return r}}function curryOuter(r,e){return function(n){return r(n,e)}}function correct(r,e){return"Polygon"===r.type?r.coordinates=correctRings(r.coordinates,e):"MultiPolygon"===r.type&&(r.coordinates=r.coordinates.map(curryOuter(correctRings,e))),r}function correctRings(r,e){e=!!e,r[0]=wind(r[0],!e);for(var n=1;n<r.length;n++)r[n]=wind(r[n],e);return r}function wind(r,e){return cw(r)===e?r:r.reverse()}function cw(r){return geojsonArea.ring(r)>=0}var geojsonArea=require("geojson-area");module.exports=rewind;
-},{"geojson-area":125}],125:[function(require,module,exports){
-function geometry(r){if("Polygon"===r.type)return polygonArea(r.coordinates);if("MultiPolygon"===r.type){for(var e=0,n=0;n<r.coordinates.length;n++)e+=polygonArea(r.coordinates[n]);return e}return null}function polygonArea(r){var e=0;if(r&&r.length>0){e+=Math.abs(ringArea(r[0]));for(var n=1;n<r.length;n++)e-=Math.abs(ringArea(r[n]))}return e}function ringArea(r){var e=0;if(r.length>2){for(var n,t,o=0;o<r.length-1;o++)n=r[o],t=r[o+1],e+=rad(t[0]-n[0])*(2+Math.sin(rad(n[1]))+Math.sin(rad(t[1])));e=e*wgs84.RADIUS*wgs84.RADIUS/2}return e}function rad(r){return r*Math.PI/180}var wgs84=require("wgs84");module.exports.geometry=geometry,module.exports.ring=ringArea;
-},{"wgs84":126}],126:[function(require,module,exports){
-module.exports.RADIUS=6378137,module.exports.FLATTENING=1/298.257223563,module.exports.POLAR_RADIUS=6356752.3142;
-},{}],127:[function(require,module,exports){
-"use strict";function clip(e,n,t,r,u,l,i,s){if(t/=n,r/=n,i>=t&&r>=s)return e;if(i>r||t>s)return null;for(var p=[],h=0;h<e.length;h++){var o,c,a=e[h],f=a.geometry,g=a.type;if(o=a.min[u],c=a.max[u],o>=t&&r>=c)p.push(a);else if(!(o>r||t>c)){var m=1===g?clipPoints(f,t,r,u):clipGeometry(f,t,r,u,l,3===g);m.length&&p.push({geometry:m,type:g,tags:e[h].tags||null,min:a.min,max:a.max})}}return p.length?p:null}function clipPoints(e,n,t,r){for(var u=[],l=0;l<e.length;l++){var i=e[l],s=i[r];s>=n&&t>=s&&u.push(i)}return u}function clipGeometry(e,n,t,r,u,l){for(var i=[],s=0;s<e.length;s++){var p,h,o,c=0,a=0,f=null,g=e[s],m=g.area,v=g.dist,w=g.outer,y=g.length,S=[];for(h=0;y-1>h;h++)p=f||g[h],f=g[h+1],c=a||p[r],a=f[r],n>c?a>t?(S.push(u(p,f,n),u(p,f,t)),l||(S=newSlice(i,S,m,v,w))):a>=n&&S.push(u(p,f,n)):c>t?n>a?(S.push(u(p,f,t),u(p,f,n)),l||(S=newSlice(i,S,m,v,w))):t>=a&&S.push(u(p,f,t)):(S.push(p),n>a?(S.push(u(p,f,n)),l||(S=newSlice(i,S,m,v,w))):a>t&&(S.push(u(p,f,t)),l||(S=newSlice(i,S,m,v,w))));p=g[y-1],c=p[r],c>=n&&t>=c&&S.push(p),o=S[S.length-1],l&&o&&(S[0][0]!==o[0]||S[0][1]!==o[1])&&S.push(S[0]),newSlice(i,S,m,v,w)}return i}function newSlice(e,n,t,r,u){return n.length&&(n.area=t,n.dist=r,void 0!==u&&(n.outer=u),e.push(n)),[]}module.exports=clip;
-},{}],128:[function(require,module,exports){
-"use strict";function convert(e,t){var r=[];if("FeatureCollection"===e.type)for(var o=0;o<e.features.length;o++)convertFeature(r,e.features[o],t);else"Feature"===e.type?convertFeature(r,e,t):convertFeature(r,{geometry:e},t);return r}function convertFeature(e,t,r){if(null!==t.geometry){var o,n,a,i,c=t.geometry,l=c.type,u=c.coordinates,s=t.properties;if("Point"===l)e.push(create(s,1,[projectPoint(u)]));else if("MultiPoint"===l)e.push(create(s,1,project(u)));else if("LineString"===l)e.push(create(s,2,[project(u,r)]));else if("MultiLineString"===l||"Polygon"===l){for(a=[],o=0;o<u.length;o++)i=project(u[o],r),"Polygon"===l&&(i.outer=0===o),a.push(i);e.push(create(s,"Polygon"===l?3:2,a))}else if("MultiPolygon"===l){for(a=[],o=0;o<u.length;o++)for(n=0;n<u[o].length;n++)i=project(u[o][n],r),i.outer=0===n,a.push(i);e.push(create(s,3,a))}else{if("GeometryCollection"!==l)throw new Error("Input data is not a valid GeoJSON object.");for(o=0;o<c.geometries.length;o++)convertFeature(e,{geometry:c.geometries[o],properties:s},r)}}}function create(e,t,r){var o={geometry:r,type:t,tags:e||null,min:[2,1],max:[-1,0]};return calcBBox(o),o}function project(e,t){for(var r=[],o=0;o<e.length;o++)r.push(projectPoint(e[o]));return t&&(simplify(r,t),calcSize(r)),r}function projectPoint(e){var t=Math.sin(e[1]*Math.PI/180),r=e[0]/360+.5,o=.5-.25*Math.log((1+t)/(1-t))/Math.PI;return o=0>o?0:o>1?1:o,[r,o,0]}function calcSize(e){for(var t,r,o=0,n=0,a=0;a<e.length-1;a++)t=r||e[a],r=e[a+1],o+=t[0]*r[1]-r[0]*t[1],n+=Math.abs(r[0]-t[0])+Math.abs(r[1]-t[1]);e.area=Math.abs(o/2),e.dist=n}function calcBBox(e){var t=e.geometry,r=e.min,o=e.max;if(1===e.type)calcRingBBox(r,o,t);else for(var n=0;n<t.length;n++)calcRingBBox(r,o,t[n]);return e}function calcRingBBox(e,t,r){for(var o,n=0;n<r.length;n++)o=r[n],e[0]=Math.min(o[0],e[0]),t[0]=Math.max(o[0],t[0]),e[1]=Math.min(o[1],e[1]),t[1]=Math.max(o[1],t[1])}module.exports=convert;var simplify=require("./simplify");
-},{"./simplify":130}],129:[function(require,module,exports){
-"use strict";function geojsonvt(e,t){return new GeoJSONVT(e,t)}function GeoJSONVT(e,t){t=this.options=extend(Object.create(this.options),t);var i=t.debug;i&&console.time("preprocess data");var o=1<<t.maxZoom,n=convert(e,t.tolerance/(o*t.extent));this.tiles={},this.tileCoords=[],i&&(console.timeEnd("preprocess data"),console.log("index: maxZoom: %d, maxPoints: %d",t.indexMaxZoom,t.indexMaxPoints),console.time("generate tiles"),this.stats={},this.total=0),n=wrap(n,t.buffer/t.extent,intersectX),n.length&&this.splitTile(n,0,0,0),i&&(n.length&&console.log("features: %d, points: %d",this.tiles[0].numFeatures,this.tiles[0].numPoints),console.timeEnd("generate tiles"),console.log("tiles generated:",this.total,JSON.stringify(this.stats)))}function toID(e,t,i){return 32*((1<<e)*i+t)+e}function intersectX(e,t,i){return[i,(i-e[0])*(t[1]-e[1])/(t[0]-e[0])+e[1],1]}function intersectY(e,t,i){return[(i-e[1])*(t[0]-e[0])/(t[1]-e[1])+e[0],i,1]}function extend(e,t){for(var i in t)e[i]=t[i];return e}function isClippedSquare(e,t,i){var o=e.source;if(1!==o.length)return!1;var n=o[0];if(3!==n.type||n.geometry.length>1)return!1;var r=n.geometry[0].length;if(5!==r)return!1;for(var s=0;r>s;s++){var l=transform.point(n.geometry[0][s],t,e.z2,e.x,e.y);if(l[0]!==-i&&l[0]!==t+i||l[1]!==-i&&l[1]!==t+i)return!1}return!0}module.exports=geojsonvt;var convert=require("./convert"),transform=require("./transform"),clip=require("./clip"),wrap=require("./wrap"),createTile=require("./tile");GeoJSONVT.prototype.options={maxZoom:14,indexMaxZoom:5,indexMaxPoints:1e5,solidChildren:!1,tolerance:3,extent:4096,buffer:64,debug:0},GeoJSONVT.prototype.splitTile=function(e,t,i,o,n,r,s){for(var l=[e,t,i,o],a=this.options,u=a.debug,c=null;l.length;){o=l.pop(),i=l.pop(),t=l.pop(),e=l.pop();var p=1<<t,d=toID(t,i,o),m=this.tiles[d],f=t===a.maxZoom?0:a.tolerance/(p*a.extent);if(!m&&(u>1&&console.time("creation"),m=this.tiles[d]=createTile(e,p,i,o,f,t===a.maxZoom),this.tileCoords.push({z:t,x:i,y:o}),u)){u>1&&(console.log("tile z%d-%d-%d (features: %d, points: %d, simplified: %d)",t,i,o,m.numFeatures,m.numPoints,m.numSimplified),console.timeEnd("creation"));var h="z"+t;this.stats[h]=(this.stats[h]||0)+1,this.total++}if(m.source=e,n){if(t===a.maxZoom||t===n)continue;var x=1<<n-t;if(i!==Math.floor(r/x)||o!==Math.floor(s/x))continue}else if(t===a.indexMaxZoom||m.numPoints<=a.indexMaxPoints)continue;if(a.solidChildren||!isClippedSquare(m,a.extent,a.buffer)){m.source=null,u>1&&console.time("clipping");var g,v,M,T,b,y,S=.5*a.buffer/a.extent,Z=.5-S,q=.5+S,w=1+S;g=v=M=T=null,b=clip(e,p,i-S,i+q,0,intersectX,m.min[0],m.max[0]),y=clip(e,p,i+Z,i+w,0,intersectX,m.min[0],m.max[0]),b&&(g=clip(b,p,o-S,o+q,1,intersectY,m.min[1],m.max[1]),v=clip(b,p,o+Z,o+w,1,intersectY,m.min[1],m.max[1])),y&&(M=clip(y,p,o-S,o+q,1,intersectY,m.min[1],m.max[1]),T=clip(y,p,o+Z,o+w,1,intersectY,m.min[1],m.max[1])),u>1&&console.timeEnd("clipping"),g&&l.push(g,t+1,2*i,2*o),v&&l.push(v,t+1,2*i,2*o+1),M&&l.push(M,t+1,2*i+1,2*o),T&&l.push(T,t+1,2*i+1,2*o+1)}else n&&(c=t)}return c},GeoJSONVT.prototype.getTile=function(e,t,i){var o=this.options,n=o.extent,r=o.debug,s=1<<e;t=(t%s+s)%s;var l=toID(e,t,i);if(this.tiles[l])return transform.tile(this.tiles[l],n);r>1&&console.log("drilling down to z%d-%d-%d",e,t,i);for(var a,u=e,c=t,p=i;!a&&u>0;)u--,c=Math.floor(c/2),p=Math.floor(p/2),a=this.tiles[toID(u,c,p)];if(!a||!a.source)return null;if(r>1&&console.log("found parent tile z%d-%d-%d",u,c,p),isClippedSquare(a,n,o.buffer))return transform.tile(a,n);r>1&&console.time("drilling down");var d=this.splitTile(a.source,u,c,p,e,t,i);if(r>1&&console.timeEnd("drilling down"),null!==d){var m=1<<e-d;l=toID(d,Math.floor(t/m),Math.floor(i/m))}return this.tiles[l]?transform.tile(this.tiles[l],n):null};
-},{"./clip":127,"./convert":128,"./tile":131,"./transform":132,"./wrap":133}],130:[function(require,module,exports){
-"use strict";function simplify(t,i){var e,p,r,s,o=i*i,f=t.length,u=0,n=f-1,g=[];for(t[u][2]=1,t[n][2]=1;n;){for(p=0,e=u+1;n>e;e++)r=getSqSegDist(t[e],t[u],t[n]),r>p&&(s=e,p=r);p>o?(t[s][2]=p,g.push(u),g.push(s),u=s):(n=g.pop(),u=g.pop())}}function getSqSegDist(t,i,e){var p=i[0],r=i[1],s=e[0],o=e[1],f=t[0],u=t[1],n=s-p,g=o-r;if(0!==n||0!==g){var l=((f-p)*n+(u-r)*g)/(n*n+g*g);l>1?(p=s,r=o):l>0&&(p+=n*l,r+=g*l)}return n=f-p,g=u-r,n*n+g*g}module.exports=simplify;
-},{}],131:[function(require,module,exports){
-"use strict";function createTile(e,n,r,t,i,u){for(var a={features:[],numPoints:0,numSimplified:0,numFeatures:0,source:null,x:r,y:t,z2:n,transformed:!1,min:[2,1],max:[-1,0]},m=0;m<e.length;m++){a.numFeatures++,addFeature(a,e[m],i,u);var s=e[m].min,o=e[m].max;s[0]<a.min[0]&&(a.min[0]=s[0]),s[1]<a.min[1]&&(a.min[1]=s[1]),o[0]>a.max[0]&&(a.max[0]=o[0]),o[1]>a.max[1]&&(a.max[1]=o[1])}return a}function addFeature(e,n,r,t){var i,u,a,m,s=n.geometry,o=n.type,l=[],f=r*r;if(1===o)for(i=0;i<s.length;i++)l.push(s[i]),e.numPoints++,e.numSimplified++;else for(i=0;i<s.length;i++)if(a=s[i],t||!(2===o&&a.dist<r||3===o&&a.area<f)){var d=[];for(u=0;u<a.length;u++)m=a[u],(t||m[2]>f)&&(d.push(m),e.numSimplified++),e.numPoints++;3===o&&rewind(d,a.outer),l.push(d)}else e.numPoints+=a.length;l.length&&e.features.push({geometry:l,type:o,tags:n.tags||null})}function rewind(e,n){var r=signedArea(e);0>r===n&&e.reverse()}function signedArea(e){for(var n,r,t=0,i=0,u=e.length,a=u-1;u>i;a=i++)n=e[i],r=e[a],t+=(r[0]-n[0])*(n[1]+r[1]);return t}module.exports=createTile;
-},{}],132:[function(require,module,exports){
-"use strict";function transformTile(r,t){if(r.transformed)return r;var n,e,o,f=r.z2,a=r.x,s=r.y;for(n=0;n<r.features.length;n++){var i=r.features[n],u=i.geometry,m=i.type;if(1===m)for(e=0;e<u.length;e++)u[e]=transformPoint(u[e],t,f,a,s);else for(e=0;e<u.length;e++){var l=u[e];for(o=0;o<l.length;o++)l[o]=transformPoint(l[o],t,f,a,s)}}return r.transformed=!0,r}function transformPoint(r,t,n,e,o){var f=Math.round(t*(r[0]*n-e)),a=Math.round(t*(r[1]*n-o));return[f,a]}exports.tile=transformTile,exports.point=transformPoint;
-},{}],133:[function(require,module,exports){
-"use strict";function wrap(r,t,e){var o=r,a=clip(r,1,-1-t,t,0,e,-1,2),s=clip(r,1,1-t,2+t,0,e,-1,2);return(a||s)&&(o=clip(r,1,-t,1+t,0,e,-1,2),a&&(o=shiftFeatureCoords(a,1).concat(o)),s&&(o=o.concat(shiftFeatureCoords(s,-1)))),o}function shiftFeatureCoords(r,t){for(var e=[],o=0;o<r.length;o++){var a,s=r[o],i=s.type;if(1===i)a=shiftCoords(s.geometry,t);else{a=[];for(var n=0;n<s.geometry.length;n++)a.push(shiftCoords(s.geometry[n],t))}e.push({geometry:a,type:i,tags:s.tags,min:[s.min[0]+t,s.min[1]],max:[s.max[0]+t,s.max[1]]})}return e}function shiftCoords(r,t){var e=[];e.area=r.area,e.dist=r.dist;for(var o=0;o<r.length;o++)e.push([r[o][0]+t,r[o][1],r[o][2]]);return e}var clip=require("./clip");module.exports=wrap;
-},{"./clip":127}],134:[function(require,module,exports){
-exports.glMatrix=require("./gl-matrix/common.js"),exports.mat2=require("./gl-matrix/mat2.js"),exports.mat2d=require("./gl-matrix/mat2d.js"),exports.mat3=require("./gl-matrix/mat3.js"),exports.mat4=require("./gl-matrix/mat4.js"),exports.quat=require("./gl-matrix/quat.js"),exports.vec2=require("./gl-matrix/vec2.js"),exports.vec3=require("./gl-matrix/vec3.js"),exports.vec4=require("./gl-matrix/vec4.js");
-},{"./gl-matrix/common.js":135,"./gl-matrix/mat2.js":136,"./gl-matrix/mat2d.js":137,"./gl-matrix/mat3.js":138,"./gl-matrix/mat4.js":139,"./gl-matrix/quat.js":140,"./gl-matrix/vec2.js":141,"./gl-matrix/vec3.js":142,"./gl-matrix/vec4.js":143}],135:[function(require,module,exports){
-var glMatrix={};glMatrix.EPSILON=1e-6,glMatrix.ARRAY_TYPE="undefined"!=typeof Float32Array?Float32Array:Array,glMatrix.RANDOM=Math.random,glMatrix.ENABLE_SIMD=!1,glMatrix.SIMD_AVAILABLE=glMatrix.ARRAY_TYPE===Float32Array&&"SIMD"in this,glMatrix.USE_SIMD=glMatrix.ENABLE_SIMD&&glMatrix.SIMD_AVAILABLE,glMatrix.setMatrixArrayType=function(a){glMatrix.ARRAY_TYPE=a};var degree=Math.PI/180;glMatrix.toRadian=function(a){return a*degree},glMatrix.equals=function(a,r){return Math.abs(a-r)<=glMatrix.EPSILON*Math.max(1,Math.abs(a),Math.abs(r))},module.exports=glMatrix;
-},{}],136:[function(require,module,exports){
-var glMatrix=require("./common.js"),mat2={};mat2.create=function(){var t=new glMatrix.ARRAY_TYPE(4);return t[0]=1,t[1]=0,t[2]=0,t[3]=1,t},mat2.clone=function(t){var a=new glMatrix.ARRAY_TYPE(4);return a[0]=t[0],a[1]=t[1],a[2]=t[2],a[3]=t[3],a},mat2.copy=function(t,a){return t[0]=a[0],t[1]=a[1],t[2]=a[2],t[3]=a[3],t},mat2.identity=function(t){return t[0]=1,t[1]=0,t[2]=0,t[3]=1,t},mat2.fromValues=function(t,a,n,r){var u=new glMatrix.ARRAY_TYPE(4);return u[0]=t,u[1]=a,u[2]=n,u[3]=r,u},mat2.set=function(t,a,n,r,u){return t[0]=a,t[1]=n,t[2]=r,t[3]=u,t},mat2.transpose=function(t,a){if(t===a){var n=a[1];t[1]=a[2],t[2]=n}else t[0]=a[0],t[1]=a[2],t[2]=a[1],t[3]=a[3];return t},mat2.invert=function(t,a){var n=a[0],r=a[1],u=a[2],e=a[3],i=n*e-u*r;return i?(i=1/i,t[0]=e*i,t[1]=-r*i,t[2]=-u*i,t[3]=n*i,t):null},mat2.adjoint=function(t,a){var n=a[0];return t[0]=a[3],t[1]=-a[1],t[2]=-a[2],t[3]=n,t},mat2.determinant=function(t){return t[0]*t[3]-t[2]*t[1]},mat2.multiply=function(t,a,n){var r=a[0],u=a[1],e=a[2],i=a[3],m=n[0],o=n[1],c=n[2],M=n[3];return t[0]=r*m+e*o,t[1]=u*m+i*o,t[2]=r*c+e*M,t[3]=u*c+i*M,t},mat2.mul=mat2.multiply,mat2.rotate=function(t,a,n){var r=a[0],u=a[1],e=a[2],i=a[3],m=Math.sin(n),o=Math.cos(n);return t[0]=r*o+e*m,t[1]=u*o+i*m,t[2]=r*-m+e*o,t[3]=u*-m+i*o,t},mat2.scale=function(t,a,n){var r=a[0],u=a[1],e=a[2],i=a[3],m=n[0],o=n[1];return t[0]=r*m,t[1]=u*m,t[2]=e*o,t[3]=i*o,t},mat2.fromRotation=function(t,a){var n=Math.sin(a),r=Math.cos(a);return t[0]=r,t[1]=n,t[2]=-n,t[3]=r,t},mat2.fromScaling=function(t,a){return t[0]=a[0],t[1]=0,t[2]=0,t[3]=a[1],t},mat2.str=function(t){return"mat2("+t[0]+", "+t[1]+", "+t[2]+", "+t[3]+")"},mat2.frob=function(t){return Math.sqrt(Math.pow(t[0],2)+Math.pow(t[1],2)+Math.pow(t[2],2)+Math.pow(t[3],2))},mat2.LDU=function(t,a,n,r){return t[2]=r[2]/r[0],n[0]=r[0],n[1]=r[1],n[3]=r[3]-t[2]*n[1],[t,a,n]},mat2.add=function(t,a,n){return t[0]=a[0]+n[0],t[1]=a[1]+n[1],t[2]=a[2]+n[2],t[3]=a[3]+n[3],t},mat2.subtract=function(t,a,n){return t[0]=a[0]-n[0],t[1]=a[1]-n[1],t[2]=a[2]-n[2],t[3]=a[3]-n[3],t},mat2.sub=mat2.subtract,mat2.exactEquals=function(t,a){return t[0]===a[0]&&t[1]===a[1]&&t[2]===a[2]&&t[3]===a[3]},mat2.equals=function(t,a){var n=t[0],r=t[1],u=t[2],e=t[3],i=a[0],m=a[1],o=a[2],c=a[3];return Math.abs(n-i)<=glMatrix.EPSILON*Math.max(1,Math.abs(n),Math.abs(i))&&Math.abs(r-m)<=glMatrix.EPSILON*Math.max(1,Math.abs(r),Math.abs(m))&&Math.abs(u-o)<=glMatrix.EPSILON*Math.max(1,Math.abs(u),Math.abs(o))&&Math.abs(e-c)<=glMatrix.EPSILON*Math.max(1,Math.abs(e),Math.abs(c))},mat2.multiplyScalar=function(t,a,n){return t[0]=a[0]*n,t[1]=a[1]*n,t[2]=a[2]*n,t[3]=a[3]*n,t},mat2.multiplyScalarAndAdd=function(t,a,n,r){return t[0]=a[0]+n[0]*r,t[1]=a[1]+n[1]*r,t[2]=a[2]+n[2]*r,t[3]=a[3]+n[3]*r,t},module.exports=mat2;
-},{"./common.js":135}],137:[function(require,module,exports){
-var glMatrix=require("./common.js"),mat2d={};mat2d.create=function(){var t=new glMatrix.ARRAY_TYPE(6);return t[0]=1,t[1]=0,t[2]=0,t[3]=1,t[4]=0,t[5]=0,t},mat2d.clone=function(t){var a=new glMatrix.ARRAY_TYPE(6);return a[0]=t[0],a[1]=t[1],a[2]=t[2],a[3]=t[3],a[4]=t[4],a[5]=t[5],a},mat2d.copy=function(t,a){return t[0]=a[0],t[1]=a[1],t[2]=a[2],t[3]=a[3],t[4]=a[4],t[5]=a[5],t},mat2d.identity=function(t){return t[0]=1,t[1]=0,t[2]=0,t[3]=1,t[4]=0,t[5]=0,t},mat2d.fromValues=function(t,a,n,r,u,m){var i=new glMatrix.ARRAY_TYPE(6);return i[0]=t,i[1]=a,i[2]=n,i[3]=r,i[4]=u,i[5]=m,i},mat2d.set=function(t,a,n,r,u,m,i){return t[0]=a,t[1]=n,t[2]=r,t[3]=u,t[4]=m,t[5]=i,t},mat2d.invert=function(t,a){var n=a[0],r=a[1],u=a[2],m=a[3],i=a[4],o=a[5],M=n*m-r*u;return M?(M=1/M,t[0]=m*M,t[1]=-r*M,t[2]=-u*M,t[3]=n*M,t[4]=(u*o-m*i)*M,t[5]=(r*i-n*o)*M,t):null},mat2d.determinant=function(t){return t[0]*t[3]-t[1]*t[2]},mat2d.multiply=function(t,a,n){var r=a[0],u=a[1],m=a[2],i=a[3],o=a[4],M=a[5],e=n[0],d=n[1],c=n[2],s=n[3],h=n[4],l=n[5];return t[0]=r*e+m*d,t[1]=u*e+i*d,t[2]=r*c+m*s,t[3]=u*c+i*s,t[4]=r*h+m*l+o,t[5]=u*h+i*l+M,t},mat2d.mul=mat2d.multiply,mat2d.rotate=function(t,a,n){var r=a[0],u=a[1],m=a[2],i=a[3],o=a[4],M=a[5],e=Math.sin(n),d=Math.cos(n);return t[0]=r*d+m*e,t[1]=u*d+i*e,t[2]=r*-e+m*d,t[3]=u*-e+i*d,t[4]=o,t[5]=M,t},mat2d.scale=function(t,a,n){var r=a[0],u=a[1],m=a[2],i=a[3],o=a[4],M=a[5],e=n[0],d=n[1];return t[0]=r*e,t[1]=u*e,t[2]=m*d,t[3]=i*d,t[4]=o,t[5]=M,t},mat2d.translate=function(t,a,n){var r=a[0],u=a[1],m=a[2],i=a[3],o=a[4],M=a[5],e=n[0],d=n[1];return t[0]=r,t[1]=u,t[2]=m,t[3]=i,t[4]=r*e+m*d+o,t[5]=u*e+i*d+M,t},mat2d.fromRotation=function(t,a){var n=Math.sin(a),r=Math.cos(a);return t[0]=r,t[1]=n,t[2]=-n,t[3]=r,t[4]=0,t[5]=0,t},mat2d.fromScaling=function(t,a){return t[0]=a[0],t[1]=0,t[2]=0,t[3]=a[1],t[4]=0,t[5]=0,t},mat2d.fromTranslation=function(t,a){return t[0]=1,t[1]=0,t[2]=0,t[3]=1,t[4]=a[0],t[5]=a[1],t},mat2d.str=function(t){return"mat2d("+t[0]+", "+t[1]+", "+t[2]+", "+t[3]+", "+t[4]+", "+t[5]+")"},mat2d.frob=function(t){return Math.sqrt(Math.pow(t[0],2)+Math.pow(t[1],2)+Math.pow(t[2],2)+Math.pow(t[3],2)+Math.pow(t[4],2)+Math.pow(t[5],2)+1)},mat2d.add=function(t,a,n){return t[0]=a[0]+n[0],t[1]=a[1]+n[1],t[2]=a[2]+n[2],t[3]=a[3]+n[3],t[4]=a[4]+n[4],t[5]=a[5]+n[5],t},mat2d.subtract=function(t,a,n){return t[0]=a[0]-n[0],t[1]=a[1]-n[1],t[2]=a[2]-n[2],t[3]=a[3]-n[3],t[4]=a[4]-n[4],t[5]=a[5]-n[5],t},mat2d.sub=mat2d.subtract,mat2d.multiplyScalar=function(t,a,n){return t[0]=a[0]*n,t[1]=a[1]*n,t[2]=a[2]*n,t[3]=a[3]*n,t[4]=a[4]*n,t[5]=a[5]*n,t},mat2d.multiplyScalarAndAdd=function(t,a,n,r){return t[0]=a[0]+n[0]*r,t[1]=a[1]+n[1]*r,t[2]=a[2]+n[2]*r,t[3]=a[3]+n[3]*r,t[4]=a[4]+n[4]*r,t[5]=a[5]+n[5]*r,t},mat2d.exactEquals=function(t,a){return t[0]===a[0]&&t[1]===a[1]&&t[2]===a[2]&&t[3]===a[3]&&t[4]===a[4]&&t[5]===a[5]},mat2d.equals=function(t,a){var n=t[0],r=t[1],u=t[2],m=t[3],i=t[4],o=t[5],M=a[0],e=a[1],d=a[2],c=a[3],s=a[4],h=a[5];return Math.abs(n-M)<=glMatrix.EPSILON*Math.max(1,Math.abs(n),Math.abs(M))&&Math.abs(r-e)<=glMatrix.EPSILON*Math.max(1,Math.abs(r),Math.abs(e))&&Math.abs(u-d)<=glMatrix.EPSILON*Math.max(1,Math.abs(u),Math.abs(d))&&Math.abs(m-c)<=glMatrix.EPSILON*Math.max(1,Math.abs(m),Math.abs(c))&&Math.abs(i-s)<=glMatrix.EPSILON*Math.max(1,Math.abs(i),Math.abs(s))&&Math.abs(o-h)<=glMatrix.EPSILON*Math.max(1,Math.abs(o),Math.abs(h))},module.exports=mat2d;
-},{"./common.js":135}],138:[function(require,module,exports){
-var glMatrix=require("./common.js"),mat3={};mat3.create=function(){var t=new glMatrix.ARRAY_TYPE(9);return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=1,t[5]=0,t[6]=0,t[7]=0,t[8]=1,t},mat3.fromMat4=function(t,a){return t[0]=a[0],t[1]=a[1],t[2]=a[2],t[3]=a[4],t[4]=a[5],t[5]=a[6],t[6]=a[8],t[7]=a[9],t[8]=a[10],t},mat3.clone=function(t){var a=new glMatrix.ARRAY_TYPE(9);return a[0]=t[0],a[1]=t[1],a[2]=t[2],a[3]=t[3],a[4]=t[4],a[5]=t[5],a[6]=t[6],a[7]=t[7],a[8]=t[8],a},mat3.copy=function(t,a){return t[0]=a[0],t[1]=a[1],t[2]=a[2],t[3]=a[3],t[4]=a[4],t[5]=a[5],t[6]=a[6],t[7]=a[7],t[8]=a[8],t},mat3.fromValues=function(t,a,r,n,u,M,m,o,i){var e=new glMatrix.ARRAY_TYPE(9);return e[0]=t,e[1]=a,e[2]=r,e[3]=n,e[4]=u,e[5]=M,e[6]=m,e[7]=o,e[8]=i,e},mat3.set=function(t,a,r,n,u,M,m,o,i,e){return t[0]=a,t[1]=r,t[2]=n,t[3]=u,t[4]=M,t[5]=m,t[6]=o,t[7]=i,t[8]=e,t},mat3.identity=function(t){return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=1,t[5]=0,t[6]=0,t[7]=0,t[8]=1,t},mat3.transpose=function(t,a){if(t===a){var r=a[1],n=a[2],u=a[5];t[1]=a[3],t[2]=a[6],t[3]=r,t[5]=a[7],t[6]=n,t[7]=u}else t[0]=a[0],t[1]=a[3],t[2]=a[6],t[3]=a[1],t[4]=a[4],t[5]=a[7],t[6]=a[2],t[7]=a[5],t[8]=a[8];return t},mat3.invert=function(t,a){var r=a[0],n=a[1],u=a[2],M=a[3],m=a[4],o=a[5],i=a[6],e=a[7],h=a[8],s=h*m-o*e,c=-h*M+o*i,l=e*M-m*i,f=r*s+n*c+u*l;return f?(f=1/f,t[0]=s*f,t[1]=(-h*n+u*e)*f,t[2]=(o*n-u*m)*f,t[3]=c*f,t[4]=(h*r-u*i)*f,t[5]=(-o*r+u*M)*f,t[6]=l*f,t[7]=(-e*r+n*i)*f,t[8]=(m*r-n*M)*f,t):null},mat3.adjoint=function(t,a){var r=a[0],n=a[1],u=a[2],M=a[3],m=a[4],o=a[5],i=a[6],e=a[7],h=a[8];return t[0]=m*h-o*e,t[1]=u*e-n*h,t[2]=n*o-u*m,t[3]=o*i-M*h,t[4]=r*h-u*i,t[5]=u*M-r*o,t[6]=M*e-m*i,t[7]=n*i-r*e,t[8]=r*m-n*M,t},mat3.determinant=function(t){var a=t[0],r=t[1],n=t[2],u=t[3],M=t[4],m=t[5],o=t[6],i=t[7],e=t[8];return a*(e*M-m*i)+r*(-e*u+m*o)+n*(i*u-M*o)},mat3.multiply=function(t,a,r){var n=a[0],u=a[1],M=a[2],m=a[3],o=a[4],i=a[5],e=a[6],h=a[7],s=a[8],c=r[0],l=r[1],f=r[2],b=r[3],x=r[4],v=r[5],p=r[6],g=r[7],E=r[8];return t[0]=c*n+l*m+f*e,t[1]=c*u+l*o+f*h,t[2]=c*M+l*i+f*s,t[3]=b*n+x*m+v*e,t[4]=b*u+x*o+v*h,t[5]=b*M+x*i+v*s,t[6]=p*n+g*m+E*e,t[7]=p*u+g*o+E*h,t[8]=p*M+g*i+E*s,t},mat3.mul=mat3.multiply,mat3.translate=function(t,a,r){var n=a[0],u=a[1],M=a[2],m=a[3],o=a[4],i=a[5],e=a[6],h=a[7],s=a[8],c=r[0],l=r[1];return t[0]=n,t[1]=u,t[2]=M,t[3]=m,t[4]=o,t[5]=i,t[6]=c*n+l*m+e,t[7]=c*u+l*o+h,t[8]=c*M+l*i+s,t},mat3.rotate=function(t,a,r){var n=a[0],u=a[1],M=a[2],m=a[3],o=a[4],i=a[5],e=a[6],h=a[7],s=a[8],c=Math.sin(r),l=Math.cos(r);return t[0]=l*n+c*m,t[1]=l*u+c*o,t[2]=l*M+c*i,t[3]=l*m-c*n,t[4]=l*o-c*u,t[5]=l*i-c*M,t[6]=e,t[7]=h,t[8]=s,t},mat3.scale=function(t,a,r){var n=r[0],u=r[1];return t[0]=n*a[0],t[1]=n*a[1],t[2]=n*a[2],t[3]=u*a[3],t[4]=u*a[4],t[5]=u*a[5],t[6]=a[6],t[7]=a[7],t[8]=a[8],t},mat3.fromTranslation=function(t,a){return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=1,t[5]=0,t[6]=a[0],t[7]=a[1],t[8]=1,t},mat3.fromRotation=function(t,a){var r=Math.sin(a),n=Math.cos(a);return t[0]=n,t[1]=r,t[2]=0,t[3]=-r,t[4]=n,t[5]=0,t[6]=0,t[7]=0,t[8]=1,t},mat3.fromScaling=function(t,a){return t[0]=a[0],t[1]=0,t[2]=0,t[3]=0,t[4]=a[1],t[5]=0,t[6]=0,t[7]=0,t[8]=1,t},mat3.fromMat2d=function(t,a){return t[0]=a[0],t[1]=a[1],t[2]=0,t[3]=a[2],t[4]=a[3],t[5]=0,t[6]=a[4],t[7]=a[5],t[8]=1,t},mat3.fromQuat=function(t,a){var r=a[0],n=a[1],u=a[2],M=a[3],m=r+r,o=n+n,i=u+u,e=r*m,h=n*m,s=n*o,c=u*m,l=u*o,f=u*i,b=M*m,x=M*o,v=M*i;return t[0]=1-s-f,t[3]=h-v,t[6]=c+x,t[1]=h+v,t[4]=1-e-f,t[7]=l-b,t[2]=c-x,t[5]=l+b,t[8]=1-e-s,t},mat3.normalFromMat4=function(t,a){var r=a[0],n=a[1],u=a[2],M=a[3],m=a[4],o=a[5],i=a[6],e=a[7],h=a[8],s=a[9],c=a[10],l=a[11],f=a[12],b=a[13],x=a[14],v=a[15],p=r*o-n*m,g=r*i-u*m,E=r*e-M*m,w=n*i-u*o,P=n*e-M*o,S=u*e-M*i,d=h*b-s*f,I=h*x-c*f,L=h*v-l*f,N=s*x-c*b,O=s*v-l*b,A=c*v-l*x,R=p*A-g*O+E*N+w*L-P*I+S*d;return R?(R=1/R,t[0]=(o*A-i*O+e*N)*R,t[1]=(i*L-m*A-e*I)*R,t[2]=(m*O-o*L+e*d)*R,t[3]=(u*O-n*A-M*N)*R,t[4]=(r*A-u*L+M*I)*R,t[5]=(n*L-r*O-M*d)*R,t[6]=(b*S-x*P+v*w)*R,t[7]=(x*E-f*S-v*g)*R,t[8]=(f*P-b*E+v*p)*R,t):null},mat3.str=function(t){return"mat3("+t[0]+", "+t[1]+", "+t[2]+", "+t[3]+", "+t[4]+", "+t[5]+", "+t[6]+", "+t[7]+", "+t[8]+")"},mat3.frob=function(t){return Math.sqrt(Math.pow(t[0],2)+Math.pow(t[1],2)+Math.pow(t[2],2)+Math.pow(t[3],2)+Math.pow(t[4],2)+Math.pow(t[5],2)+Math.pow(t[6],2)+Math.pow(t[7],2)+Math.pow(t[8],2))},mat3.add=function(t,a,r){return t[0]=a[0]+r[0],t[1]=a[1]+r[1],t[2]=a[2]+r[2],t[3]=a[3]+r[3],t[4]=a[4]+r[4],t[5]=a[5]+r[5],t[6]=a[6]+r[6],t[7]=a[7]+r[7],t[8]=a[8]+r[8],t},mat3.subtract=function(t,a,r){return t[0]=a[0]-r[0],t[1]=a[1]-r[1],t[2]=a[2]-r[2],t[3]=a[3]-r[3],t[4]=a[4]-r[4],t[5]=a[5]-r[5],t[6]=a[6]-r[6],t[7]=a[7]-r[7],t[8]=a[8]-r[8],t},mat3.sub=mat3.subtract,mat3.multiplyScalar=function(t,a,r){return t[0]=a[0]*r,t[1]=a[1]*r,t[2]=a[2]*r,t[3]=a[3]*r,t[4]=a[4]*r,t[5]=a[5]*r,t[6]=a[6]*r,t[7]=a[7]*r,t[8]=a[8]*r,t},mat3.multiplyScalarAndAdd=function(t,a,r,n){return t[0]=a[0]+r[0]*n,t[1]=a[1]+r[1]*n,t[2]=a[2]+r[2]*n,t[3]=a[3]+r[3]*n,t[4]=a[4]+r[4]*n,t[5]=a[5]+r[5]*n,t[6]=a[6]+r[6]*n,t[7]=a[7]+r[7]*n,t[8]=a[8]+r[8]*n,t},mat3.exactEquals=function(t,a){return t[0]===a[0]&&t[1]===a[1]&&t[2]===a[2]&&t[3]===a[3]&&t[4]===a[4]&&t[5]===a[5]&&t[6]===a[6]&&t[7]===a[7]&&t[8]===a[8]},mat3.equals=function(t,a){var r=t[0],n=t[1],u=t[2],M=t[3],m=t[4],o=t[5],i=t[6],e=t[7],h=t[8],s=a[0],c=a[1],l=a[2],f=a[3],b=a[4],x=a[5],v=t[6],p=a[7],g=a[8];return Math.abs(r-s)<=glMatrix.EPSILON*Math.max(1,Math.abs(r),Math.abs(s))&&Math.abs(n-c)<=glMatrix.EPSILON*Math.max(1,Math.abs(n),Math.abs(c))&&Math.abs(u-l)<=glMatrix.EPSILON*Math.max(1,Math.abs(u),Math.abs(l))&&Math.abs(M-f)<=glMatrix.EPSILON*Math.max(1,Math.abs(M),Math.abs(f))&&Math.abs(m-b)<=glMatrix.EPSILON*Math.max(1,Math.abs(m),Math.abs(b))&&Math.abs(o-x)<=glMatrix.EPSILON*Math.max(1,Math.abs(o),Math.abs(x))&&Math.abs(i-v)<=glMatrix.EPSILON*Math.max(1,Math.abs(i),Math.abs(v))&&Math.abs(e-p)<=glMatrix.EPSILON*Math.max(1,Math.abs(e),Math.abs(p))&&Math.abs(h-g)<=glMatrix.EPSILON*Math.max(1,Math.abs(h),Math.abs(g))},module.exports=mat3;
-},{"./common.js":135}],139:[function(require,module,exports){
-var glMatrix=require("./common.js"),mat4={scalar:{},SIMD:{}};mat4.create=function(){var a=new glMatrix.ARRAY_TYPE(16);return a[0]=1,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=1,a[6]=0,a[7]=0,a[8]=0,a[9]=0,a[10]=1,a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a},mat4.clone=function(a){var t=new glMatrix.ARRAY_TYPE(16);return t[0]=a[0],t[1]=a[1],t[2]=a[2],t[3]=a[3],t[4]=a[4],t[5]=a[5],t[6]=a[6],t[7]=a[7],t[8]=a[8],t[9]=a[9],t[10]=a[10],t[11]=a[11],t[12]=a[12],t[13]=a[13],t[14]=a[14],t[15]=a[15],t},mat4.copy=function(a,t){return a[0]=t[0],a[1]=t[1],a[2]=t[2],a[3]=t[3],a[4]=t[4],a[5]=t[5],a[6]=t[6],a[7]=t[7],a[8]=t[8],a[9]=t[9],a[10]=t[10],a[11]=t[11],a[12]=t[12],a[13]=t[13],a[14]=t[14],a[15]=t[15],a},mat4.fromValues=function(a,t,l,o,M,S,x,I,D,F,r,s,u,e,m,n){var i=new glMatrix.ARRAY_TYPE(16);return i[0]=a,i[1]=t,i[2]=l,i[3]=o,i[4]=M,i[5]=S,i[6]=x,i[7]=I,i[8]=D,i[9]=F,i[10]=r,i[11]=s,i[12]=u,i[13]=e,i[14]=m,i[15]=n,i},mat4.set=function(a,t,l,o,M,S,x,I,D,F,r,s,u,e,m,n,i){return a[0]=t,a[1]=l,a[2]=o,a[3]=M,a[4]=S,a[5]=x,a[6]=I,a[7]=D,a[8]=F,a[9]=r,a[10]=s,a[11]=u,a[12]=e,a[13]=m,a[14]=n,a[15]=i,a},mat4.identity=function(a){return a[0]=1,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=1,a[6]=0,a[7]=0,a[8]=0,a[9]=0,a[10]=1,a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a},mat4.scalar.transpose=function(a,t){if(a===t){var l=t[1],o=t[2],M=t[3],S=t[6],x=t[7],I=t[11];a[1]=t[4],a[2]=t[8],a[3]=t[12],a[4]=l,a[6]=t[9],a[7]=t[13],a[8]=o,a[9]=S,a[11]=t[14],a[12]=M,a[13]=x,a[14]=I}else a[0]=t[0],a[1]=t[4],a[2]=t[8],a[3]=t[12],a[4]=t[1],a[5]=t[5],a[6]=t[9],a[7]=t[13],a[8]=t[2],a[9]=t[6],a[10]=t[10],a[11]=t[14],a[12]=t[3],a[13]=t[7],a[14]=t[11],a[15]=t[15];return a},mat4.SIMD.transpose=function(a,t){var l,o,M,S,x,I,D,F,r,s;return l=SIMD.Float32x4.load(t,0),o=SIMD.Float32x4.load(t,4),M=SIMD.Float32x4.load(t,8),S=SIMD.Float32x4.load(t,12),x=SIMD.Float32x4.shuffle(l,o,0,1,4,5),I=SIMD.Float32x4.shuffle(M,S,0,1,4,5),D=SIMD.Float32x4.shuffle(x,I,0,2,4,6),F=SIMD.Float32x4.shuffle(x,I,1,3,5,7),SIMD.Float32x4.store(a,0,D),SIMD.Float32x4.store(a,4,F),x=SIMD.Float32x4.shuffle(l,o,2,3,6,7),I=SIMD.Float32x4.shuffle(M,S,2,3,6,7),r=SIMD.Float32x4.shuffle(x,I,0,2,4,6),s=SIMD.Float32x4.shuffle(x,I,1,3,5,7),SIMD.Float32x4.store(a,8,r),SIMD.Float32x4.store(a,12,s),a},mat4.transpose=glMatrix.USE_SIMD?mat4.SIMD.transpose:mat4.scalar.transpose,mat4.scalar.invert=function(a,t){var l=t[0],o=t[1],M=t[2],S=t[3],x=t[4],I=t[5],D=t[6],F=t[7],r=t[8],s=t[9],u=t[10],e=t[11],m=t[12],n=t[13],i=t[14],h=t[15],d=l*I-o*x,z=l*D-M*x,f=l*F-S*x,c=o*D-M*I,b=o*F-S*I,w=M*F-S*D,v=r*n-s*m,p=r*i-u*m,g=r*h-e*m,E=s*i-u*n,P=s*h-e*n,O=u*h-e*i,L=d*O-z*P+f*E+c*g-b*p+w*v;return L?(L=1/L,a[0]=(I*O-D*P+F*E)*L,a[1]=(M*P-o*O-S*E)*L,a[2]=(n*w-i*b+h*c)*L,a[3]=(u*b-s*w-e*c)*L,a[4]=(D*g-x*O-F*p)*L,a[5]=(l*O-M*g+S*p)*L,a[6]=(i*f-m*w-h*z)*L,a[7]=(r*w-u*f+e*z)*L,a[8]=(x*P-I*g+F*v)*L,a[9]=(o*g-l*P-S*v)*L,a[10]=(m*b-n*f+h*d)*L,a[11]=(s*f-r*b-e*d)*L,a[12]=(I*p-x*E-D*v)*L,a[13]=(l*E-o*p+M*v)*L,a[14]=(n*z-m*c-i*d)*L,a[15]=(r*c-s*z+u*d)*L,a):null},mat4.SIMD.invert=function(a,t){var l,o,M,S,x,I,D,F,r,s,u=SIMD.Float32x4.load(t,0),e=SIMD.Float32x4.load(t,4),m=SIMD.Float32x4.load(t,8),n=SIMD.Float32x4.load(t,12);return x=SIMD.Float32x4.shuffle(u,e,0,1,4,5),o=SIMD.Float32x4.shuffle(m,n,0,1,4,5),l=SIMD.Float32x4.shuffle(x,o,0,2,4,6),o=SIMD.Float32x4.shuffle(o,x,1,3,5,7),x=SIMD.Float32x4.shuffle(u,e,2,3,6,7),S=SIMD.Float32x4.shuffle(m,n,2,3,6,7),M=SIMD.Float32x4.shuffle(x,S,0,2,4,6),S=SIMD.Float32x4.shuffle(S,x,1,3,5,7),x=SIMD.Float32x4.mul(M,S),x=SIMD.Float32x4.swizzle(x,1,0,3,2),I=SIMD.Float32x4.mul(o,x),D=SIMD.Float32x4.mul(l,x),x=SIMD.Float32x4.swizzle(x,2,3,0,1),I=SIMD.Float32x4.sub(SIMD.Float32x4.mul(o,x),I),D=SIMD.Float32x4.sub(SIMD.Float32x4.mul(l,x),D),D=SIMD.Float32x4.swizzle(D,2,3,0,1),x=SIMD.Float32x4.mul(o,M),x=SIMD.Float32x4.swizzle(x,1,0,3,2),I=SIMD.Float32x4.add(SIMD.Float32x4.mul(S,x),I),r=SIMD.Float32x4.mul(l,x),x=SIMD.Float32x4.swizzle(x,2,3,0,1),I=SIMD.Float32x4.sub(I,SIMD.Float32x4.mul(S,x)),r=SIMD.Float32x4.sub(SIMD.Float32x4.mul(l,x),r),r=SIMD.Float32x4.swizzle(r,2,3,0,1),x=SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(o,2,3,0,1),S),x=SIMD.Float32x4.swizzle(x,1,0,3,2),M=SIMD.Float32x4.swizzle(M,2,3,0,1),I=SIMD.Float32x4.add(SIMD.Float32x4.mul(M,x),I),F=SIMD.Float32x4.mul(l,x),x=SIMD.Float32x4.swizzle(x,2,3,0,1),I=SIMD.Float32x4.sub(I,SIMD.Float32x4.mul(M,x)),F=SIMD.Float32x4.sub(SIMD.Float32x4.mul(l,x),F),F=SIMD.Float32x4.swizzle(F,2,3,0,1),x=SIMD.Float32x4.mul(l,o),x=SIMD.Float32x4.swizzle(x,1,0,3,2),F=SIMD.Float32x4.add(SIMD.Float32x4.mul(S,x),F),r=SIMD.Float32x4.sub(SIMD.Float32x4.mul(M,x),r),x=SIMD.Float32x4.swizzle(x,2,3,0,1),F=SIMD.Float32x4.sub(SIMD.Float32x4.mul(S,x),F),r=SIMD.Float32x4.sub(r,SIMD.Float32x4.mul(M,x)),x=SIMD.Float32x4.mul(l,S),x=SIMD.Float32x4.swizzle(x,1,0,3,2),D=SIMD.Float32x4.sub(D,SIMD.Float32x4.mul(M,x)),F=SIMD.Float32x4.add(SIMD.Float32x4.mul(o,x),F),x=SIMD.Float32x4.swizzle(x,2,3,0,1),D=SIMD.Float32x4.add(SIMD.Float32x4.mul(M,x),D),F=SIMD.Float32x4.sub(F,SIMD.Float32x4.mul(o,x)),x=SIMD.Float32x4.mul(l,M),x=SIMD.Float32x4.swizzle(x,1,0,3,2),D=SIMD.Float32x4.add(SIMD.Float32x4.mul(S,x),D),r=SIMD.Float32x4.sub(r,SIMD.Float32x4.mul(o,x)),x=SIMD.Float32x4.swizzle(x,2,3,0,1),D=SIMD.Float32x4.sub(D,SIMD.Float32x4.mul(S,x)),r=SIMD.Float32x4.add(SIMD.Float32x4.mul(o,x),r),s=SIMD.Float32x4.mul(l,I),s=SIMD.Float32x4.add(SIMD.Float32x4.swizzle(s,2,3,0,1),s),s=SIMD.Float32x4.add(SIMD.Float32x4.swizzle(s,1,0,3,2),s),x=SIMD.Float32x4.reciprocalApproximation(s),s=SIMD.Float32x4.sub(SIMD.Float32x4.add(x,x),SIMD.Float32x4.mul(s,SIMD.Float32x4.mul(x,x))),(s=SIMD.Float32x4.swizzle(s,0,0,0,0))?(SIMD.Float32x4.store(a,0,SIMD.Float32x4.mul(s,I)),SIMD.Float32x4.store(a,4,SIMD.Float32x4.mul(s,D)),SIMD.Float32x4.store(a,8,SIMD.Float32x4.mul(s,F)),SIMD.Float32x4.store(a,12,SIMD.Float32x4.mul(s,r)),a):null},mat4.invert=glMatrix.USE_SIMD?mat4.SIMD.invert:mat4.scalar.invert,mat4.scalar.adjoint=function(a,t){var l=t[0],o=t[1],M=t[2],S=t[3],x=t[4],I=t[5],D=t[6],F=t[7],r=t[8],s=t[9],u=t[10],e=t[11],m=t[12],n=t[13],i=t[14],h=t[15];return a[0]=I*(u*h-e*i)-s*(D*h-F*i)+n*(D*e-F*u),a[1]=-(o*(u*h-e*i)-s*(M*h-S*i)+n*(M*e-S*u)),a[2]=o*(D*h-F*i)-I*(M*h-S*i)+n*(M*F-S*D),a[3]=-(o*(D*e-F*u)-I*(M*e-S*u)+s*(M*F-S*D)),a[4]=-(x*(u*h-e*i)-r*(D*h-F*i)+m*(D*e-F*u)),a[5]=l*(u*h-e*i)-r*(M*h-S*i)+m*(M*e-S*u),a[6]=-(l*(D*h-F*i)-x*(M*h-S*i)+m*(M*F-S*D)),a[7]=l*(D*e-F*u)-x*(M*e-S*u)+r*(M*F-S*D),a[8]=x*(s*h-e*n)-r*(I*h-F*n)+m*(I*e-F*s),a[9]=-(l*(s*h-e*n)-r*(o*h-S*n)+m*(o*e-S*s)),a[10]=l*(I*h-F*n)-x*(o*h-S*n)+m*(o*F-S*I),a[11]=-(l*(I*e-F*s)-x*(o*e-S*s)+r*(o*F-S*I)),a[12]=-(x*(s*i-u*n)-r*(I*i-D*n)+m*(I*u-D*s)),a[13]=l*(s*i-u*n)-r*(o*i-M*n)+m*(o*u-M*s),a[14]=-(l*(I*i-D*n)-x*(o*i-M*n)+m*(o*D-M*I)),a[15]=l*(I*u-D*s)-x*(o*u-M*s)+r*(o*D-M*I),a},mat4.SIMD.adjoint=function(a,t){var l,o,M,S,x,I,D,F,r,s,u,e,m,l=SIMD.Float32x4.load(t,0),o=SIMD.Float32x4.load(t,4),M=SIMD.Float32x4.load(t,8),S=SIMD.Float32x4.load(t,12);return r=SIMD.Float32x4.shuffle(l,o,0,1,4,5),I=SIMD.Float32x4.shuffle(M,S,0,1,4,5),x=SIMD.Float32x4.shuffle(r,I,0,2,4,6),I=SIMD.Float32x4.shuffle(I,r,1,3,5,7),r=SIMD.Float32x4.shuffle(l,o,2,3,6,7),F=SIMD.Float32x4.shuffle(M,S,2,3,6,7),D=SIMD.Float32x4.shuffle(r,F,0,2,4,6),F=SIMD.Float32x4.shuffle(F,r,1,3,5,7),r=SIMD.Float32x4.mul(D,F),r=SIMD.Float32x4.swizzle(r,1,0,3,2),s=SIMD.Float32x4.mul(I,r),u=SIMD.Float32x4.mul(x,r),r=SIMD.Float32x4.swizzle(r,2,3,0,1),s=SIMD.Float32x4.sub(SIMD.Float32x4.mul(I,r),s),u=SIMD.Float32x4.sub(SIMD.Float32x4.mul(x,r),u),u=SIMD.Float32x4.swizzle(u,2,3,0,1),r=SIMD.Float32x4.mul(I,D),r=SIMD.Float32x4.swizzle(r,1,0,3,2),s=SIMD.Float32x4.add(SIMD.Float32x4.mul(F,r),s),m=SIMD.Float32x4.mul(x,r),r=SIMD.Float32x4.swizzle(r,2,3,0,1),s=SIMD.Float32x4.sub(s,SIMD.Float32x4.mul(F,r)),m=SIMD.Float32x4.sub(SIMD.Float32x4.mul(x,r),m),m=SIMD.Float32x4.swizzle(m,2,3,0,1),r=SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(I,2,3,0,1),F),r=SIMD.Float32x4.swizzle(r,1,0,3,2),D=SIMD.Float32x4.swizzle(D,2,3,0,1),s=SIMD.Float32x4.add(SIMD.Float32x4.mul(D,r),s),e=SIMD.Float32x4.mul(x,r),r=SIMD.Float32x4.swizzle(r,2,3,0,1),s=SIMD.Float32x4.sub(s,SIMD.Float32x4.mul(D,r)),e=SIMD.Float32x4.sub(SIMD.Float32x4.mul(x,r),e),e=SIMD.Float32x4.swizzle(e,2,3,0,1),r=SIMD.Float32x4.mul(x,I),r=SIMD.Float32x4.swizzle(r,1,0,3,2),e=SIMD.Float32x4.add(SIMD.Float32x4.mul(F,r),e),m=SIMD.Float32x4.sub(SIMD.Float32x4.mul(D,r),m),r=SIMD.Float32x4.swizzle(r,2,3,0,1),e=SIMD.Float32x4.sub(SIMD.Float32x4.mul(F,r),e),m=SIMD.Float32x4.sub(m,SIMD.Float32x4.mul(D,r)),r=SIMD.Float32x4.mul(x,F),r=SIMD.Float32x4.swizzle(r,1,0,3,2),u=SIMD.Float32x4.sub(u,SIMD.Float32x4.mul(D,r)),e=SIMD.Float32x4.add(SIMD.Float32x4.mul(I,r),e),r=SIMD.Float32x4.swizzle(r,2,3,0,1),u=SIMD.Float32x4.add(SIMD.Float32x4.mul(D,r),u),e=SIMD.Float32x4.sub(e,SIMD.Float32x4.mul(I,r)),r=SIMD.Float32x4.mul(x,D),r=SIMD.Float32x4.swizzle(r,1,0,3,2),u=SIMD.Float32x4.add(SIMD.Float32x4.mul(F,r),u),m=SIMD.Float32x4.sub(m,SIMD.Float32x4.mul(I,r)),r=SIMD.Float32x4.swizzle(r,2,3,0,1),u=SIMD.Float32x4.sub(u,SIMD.Float32x4.mul(F,r)),m=SIMD.Float32x4.add(SIMD.Float32x4.mul(I,r),m),SIMD.Float32x4.store(a,0,s),SIMD.Float32x4.store(a,4,u),SIMD.Float32x4.store(a,8,e),SIMD.Float32x4.store(a,12,m),a},mat4.adjoint=glMatrix.USE_SIMD?mat4.SIMD.adjoint:mat4.scalar.adjoint,mat4.determinant=function(a){var t=a[0],l=a[1],o=a[2],M=a[3],S=a[4],x=a[5],I=a[6],D=a[7],F=a[8],r=a[9],s=a[10],u=a[11],e=a[12],m=a[13],n=a[14],i=a[15],h=t*x-l*S,d=t*I-o*S,z=t*D-M*S,f=l*I-o*x,c=l*D-M*x,b=o*D-M*I,w=F*m-r*e,v=F*n-s*e,p=F*i-u*e,g=r*n-s*m,E=r*i-u*m,P=s*i-u*n;return h*P-d*E+z*g+f*p-c*v+b*w},mat4.SIMD.multiply=function(a,t,l){var o=SIMD.Float32x4.load(t,0),M=SIMD.Float32x4.load(t,4),S=SIMD.Float32x4.load(t,8),x=SIMD.Float32x4.load(t,12),I=SIMD.Float32x4.load(l,0),D=SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(I,0,0,0,0),o),SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(I,1,1,1,1),M),SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(I,2,2,2,2),S),SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(I,3,3,3,3),x))));SIMD.Float32x4.store(a,0,D);var F=SIMD.Float32x4.load(l,4),r=SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(F,0,0,0,0),o),SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(F,1,1,1,1),M),SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(F,2,2,2,2),S),SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(F,3,3,3,3),x))));SIMD.Float32x4.store(a,4,r);var s=SIMD.Float32x4.load(l,8),u=SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(s,0,0,0,0),o),SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(s,1,1,1,1),M),SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(s,2,2,2,2),S),SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(s,3,3,3,3),x))));SIMD.Float32x4.store(a,8,u);var e=SIMD.Float32x4.load(l,12),m=SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(e,0,0,0,0),o),SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(e,1,1,1,1),M),SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(e,2,2,2,2),S),SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(e,3,3,3,3),x))));return SIMD.Float32x4.store(a,12,m),a},mat4.scalar.multiply=function(a,t,l){var o=t[0],M=t[1],S=t[2],x=t[3],I=t[4],D=t[5],F=t[6],r=t[7],s=t[8],u=t[9],e=t[10],m=t[11],n=t[12],i=t[13],h=t[14],d=t[15],z=l[0],f=l[1],c=l[2],b=l[3];return a[0]=z*o+f*I+c*s+b*n,a[1]=z*M+f*D+c*u+b*i,a[2]=z*S+f*F+c*e+b*h,a[3]=z*x+f*r+c*m+b*d,z=l[4],f=l[5],c=l[6],b=l[7],a[4]=z*o+f*I+c*s+b*n,a[5]=z*M+f*D+c*u+b*i,a[6]=z*S+f*F+c*e+b*h,a[7]=z*x+f*r+c*m+b*d,z=l[8],f=l[9],c=l[10],b=l[11],a[8]=z*o+f*I+c*s+b*n,a[9]=z*M+f*D+c*u+b*i,a[10]=z*S+f*F+c*e+b*h,a[11]=z*x+f*r+c*m+b*d,z=l[12],f=l[13],c=l[14],b=l[15],a[12]=z*o+f*I+c*s+b*n,a[13]=z*M+f*D+c*u+b*i,a[14]=z*S+f*F+c*e+b*h,a[15]=z*x+f*r+c*m+b*d,a},mat4.multiply=glMatrix.USE_SIMD?mat4.SIMD.multiply:mat4.scalar.multiply,mat4.mul=mat4.multiply,mat4.scalar.translate=function(a,t,l){var o,M,S,x,I,D,F,r,s,u,e,m,n=l[0],i=l[1],h=l[2];return t===a?(a[12]=t[0]*n+t[4]*i+t[8]*h+t[12],a[13]=t[1]*n+t[5]*i+t[9]*h+t[13],a[14]=t[2]*n+t[6]*i+t[10]*h+t[14],a[15]=t[3]*n+t[7]*i+t[11]*h+t[15]):(o=t[0],M=t[1],S=t[2],x=t[3],I=t[4],D=t[5],F=t[6],r=t[7],s=t[8],u=t[9],e=t[10],m=t[11],a[0]=o,a[1]=M,a[2]=S,a[3]=x,a[4]=I,a[5]=D,a[6]=F,a[7]=r,a[8]=s,a[9]=u,a[10]=e,a[11]=m,a[12]=o*n+I*i+s*h+t[12],a[13]=M*n+D*i+u*h+t[13],a[14]=S*n+F*i+e*h+t[14],a[15]=x*n+r*i+m*h+t[15]),a},mat4.SIMD.translate=function(a,t,l){var o=SIMD.Float32x4.load(t,0),M=SIMD.Float32x4.load(t,4),S=SIMD.Float32x4.load(t,8),x=SIMD.Float32x4.load(t,12),I=SIMD.Float32x4(l[0],l[1],l[2],0);t!==a&&(a[0]=t[0],a[1]=t[1],a[2]=t[2],a[3]=t[3],a[4]=t[4],a[5]=t[5],a[6]=t[6],a[7]=t[7],a[8]=t[8],a[9]=t[9],a[10]=t[10],a[11]=t[11]),o=SIMD.Float32x4.mul(o,SIMD.Float32x4.swizzle(I,0,0,0,0)),M=SIMD.Float32x4.mul(M,SIMD.Float32x4.swizzle(I,1,1,1,1)),S=SIMD.Float32x4.mul(S,SIMD.Float32x4.swizzle(I,2,2,2,2));var D=SIMD.Float32x4.add(o,SIMD.Float32x4.add(M,SIMD.Float32x4.add(S,x)));return SIMD.Float32x4.store(a,12,D),a},mat4.translate=glMatrix.USE_SIMD?mat4.SIMD.translate:mat4.scalar.translate,mat4.scalar.scale=function(a,t,l){var o=l[0],M=l[1],S=l[2];return a[0]=t[0]*o,a[1]=t[1]*o,a[2]=t[2]*o,a[3]=t[3]*o,a[4]=t[4]*M,a[5]=t[5]*M,a[6]=t[6]*M,a[7]=t[7]*M,a[8]=t[8]*S,a[9]=t[9]*S,a[10]=t[10]*S,a[11]=t[11]*S,a[12]=t[12],a[13]=t[13],a[14]=t[14],a[15]=t[15],a},mat4.SIMD.scale=function(a,t,l){var o,M,S,x=SIMD.Float32x4(l[0],l[1],l[2],0);return o=SIMD.Float32x4.load(t,0),SIMD.Float32x4.store(a,0,SIMD.Float32x4.mul(o,SIMD.Float32x4.swizzle(x,0,0,0,0))),M=SIMD.Float32x4.load(t,4),SIMD.Float32x4.store(a,4,SIMD.Float32x4.mul(M,SIMD.Float32x4.swizzle(x,1,1,1,1))),S=SIMD.Float32x4.load(t,8),SIMD.Float32x4.store(a,8,SIMD.Float32x4.mul(S,SIMD.Float32x4.swizzle(x,2,2,2,2))),a[12]=t[12],a[13]=t[13],a[14]=t[14],a[15]=t[15],a},mat4.scale=glMatrix.USE_SIMD?mat4.SIMD.scale:mat4.scalar.scale,mat4.rotate=function(a,t,l,o){var M,S,x,I,D,F,r,s,u,e,m,n,i,h,d,z,f,c,b,w,v,p,g,E,P=o[0],O=o[1],L=o[2],N=Math.sqrt(P*P+O*O+L*L);return Math.abs(N)<glMatrix.EPSILON?null:(N=1/N,P*=N,O*=N,L*=N,M=Math.sin(l),S=Math.cos(l),x=1-S,I=t[0],D=t[1],F=t[2],r=t[3],s=t[4],u=t[5],e=t[6],m=t[7],n=t[8],i=t[9],h=t[10],d=t[11],z=P*P*x+S,f=O*P*x+L*M,c=L*P*x-O*M,b=P*O*x-L*M,w=O*O*x+S,v=L*O*x+P*M,p=P*L*x+O*M,g=O*L*x-P*M,E=L*L*x+S,a[0]=I*z+s*f+n*c,a[1]=D*z+u*f+i*c,a[2]=F*z+e*f+h*c,a[3]=r*z+m*f+d*c,a[4]=I*b+s*w+n*v,a[5]=D*b+u*w+i*v,a[6]=F*b+e*w+h*v,a[7]=r*b+m*w+d*v,a[8]=I*p+s*g+n*E,a[9]=D*p+u*g+i*E,a[10]=F*p+e*g+h*E,a[11]=r*p+m*g+d*E,t!==a&&(a[12]=t[12],a[13]=t[13],a[14]=t[14],a[15]=t[15]),a)},mat4.scalar.rotateX=function(a,t,l){var o=Math.sin(l),M=Math.cos(l),S=t[4],x=t[5],I=t[6],D=t[7],F=t[8],r=t[9],s=t[10],u=t[11];return t!==a&&(a[0]=t[0],a[1]=t[1],a[2]=t[2],a[3]=t[3],a[12]=t[12],a[13]=t[13],a[14]=t[14],a[15]=t[15]),a[4]=S*M+F*o,a[5]=x*M+r*o,a[6]=I*M+s*o,a[7]=D*M+u*o,a[8]=F*M-S*o,a[9]=r*M-x*o,a[10]=s*M-I*o,a[11]=u*M-D*o,a},mat4.SIMD.rotateX=function(a,t,l){var o=SIMD.Float32x4.splat(Math.sin(l)),M=SIMD.Float32x4.splat(Math.cos(l));t!==a&&(a[0]=t[0],a[1]=t[1],a[2]=t[2],a[3]=t[3],a[12]=t[12],a[13]=t[13],a[14]=t[14],a[15]=t[15]);var S=SIMD.Float32x4.load(t,4),x=SIMD.Float32x4.load(t,8);return SIMD.Float32x4.store(a,4,SIMD.Float32x4.add(SIMD.Float32x4.mul(S,M),SIMD.Float32x4.mul(x,o))),SIMD.Float32x4.store(a,8,SIMD.Float32x4.sub(SIMD.Float32x4.mul(x,M),SIMD.Float32x4.mul(S,o))),a},mat4.rotateX=glMatrix.USE_SIMD?mat4.SIMD.rotateX:mat4.scalar.rotateX,mat4.scalar.rotateY=function(a,t,l){var o=Math.sin(l),M=Math.cos(l),S=t[0],x=t[1],I=t[2],D=t[3],F=t[8],r=t[9],s=t[10],u=t[11];return t!==a&&(a[4]=t[4],a[5]=t[5],a[6]=t[6],a[7]=t[7],a[12]=t[12],a[13]=t[13],a[14]=t[14],a[15]=t[15]),a[0]=S*M-F*o,a[1]=x*M-r*o,a[2]=I*M-s*o,a[3]=D*M-u*o,a[8]=S*o+F*M,a[9]=x*o+r*M,a[10]=I*o+s*M,a[11]=D*o+u*M,a},mat4.SIMD.rotateY=function(a,t,l){var o=SIMD.Float32x4.splat(Math.sin(l)),M=SIMD.Float32x4.splat(Math.cos(l));t!==a&&(a[4]=t[4],a[5]=t[5],a[6]=t[6],a[7]=t[7],a[12]=t[12],a[13]=t[13],a[14]=t[14],a[15]=t[15]);var S=SIMD.Float32x4.load(t,0),x=SIMD.Float32x4.load(t,8);return SIMD.Float32x4.store(a,0,SIMD.Float32x4.sub(SIMD.Float32x4.mul(S,M),SIMD.Float32x4.mul(x,o))),SIMD.Float32x4.store(a,8,SIMD.Float32x4.add(SIMD.Float32x4.mul(S,o),SIMD.Float32x4.mul(x,M))),a},mat4.rotateY=glMatrix.USE_SIMD?mat4.SIMD.rotateY:mat4.scalar.rotateY,mat4.scalar.rotateZ=function(a,t,l){var o=Math.sin(l),M=Math.cos(l),S=t[0],x=t[1],I=t[2],D=t[3],F=t[4],r=t[5],s=t[6],u=t[7];return t!==a&&(a[8]=t[8],a[9]=t[9],a[10]=t[10],a[11]=t[11],a[12]=t[12],a[13]=t[13],a[14]=t[14],a[15]=t[15]),a[0]=S*M+F*o,a[1]=x*M+r*o,a[2]=I*M+s*o,a[3]=D*M+u*o,a[4]=F*M-S*o,a[5]=r*M-x*o,a[6]=s*M-I*o,a[7]=u*M-D*o,a},mat4.SIMD.rotateZ=function(a,t,l){var o=SIMD.Float32x4.splat(Math.sin(l)),M=SIMD.Float32x4.splat(Math.cos(l));t!==a&&(a[8]=t[8],a[9]=t[9],a[10]=t[10],a[11]=t[11],a[12]=t[12],a[13]=t[13],a[14]=t[14],a[15]=t[15]);var S=SIMD.Float32x4.load(t,0),x=SIMD.Float32x4.load(t,4);return SIMD.Float32x4.store(a,0,SIMD.Float32x4.add(SIMD.Float32x4.mul(S,M),SIMD.Float32x4.mul(x,o))),SIMD.Float32x4.store(a,4,SIMD.Float32x4.sub(SIMD.Float32x4.mul(x,M),SIMD.Float32x4.mul(S,o))),a},mat4.rotateZ=glMatrix.USE_SIMD?mat4.SIMD.rotateZ:mat4.scalar.rotateZ,mat4.fromTranslation=function(a,t){return a[0]=1,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=1,a[6]=0,a[7]=0,a[8]=0,a[9]=0,a[10]=1,a[11]=0,a[12]=t[0],a[13]=t[1],a[14]=t[2],a[15]=1,a},mat4.fromScaling=function(a,t){return a[0]=t[0],a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=t[1],a[6]=0,a[7]=0,a[8]=0,a[9]=0,a[10]=t[2],a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a},mat4.fromRotation=function(a,t,l){var o,M,S,x=l[0],I=l[1],D=l[2],F=Math.sqrt(x*x+I*I+D*D);return Math.abs(F)<glMatrix.EPSILON?null:(F=1/F,x*=F,I*=F,D*=F,o=Math.sin(t),M=Math.cos(t),S=1-M,a[0]=x*x*S+M,a[1]=I*x*S+D*o,a[2]=D*x*S-I*o,a[3]=0,a[4]=x*I*S-D*o,a[5]=I*I*S+M,a[6]=D*I*S+x*o,a[7]=0,a[8]=x*D*S+I*o,a[9]=I*D*S-x*o,a[10]=D*D*S+M,a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a)},mat4.fromXRotation=function(a,t){var l=Math.sin(t),o=Math.cos(t);return a[0]=1,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=o,a[6]=l,a[7]=0,a[8]=0,a[9]=-l,a[10]=o,a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a},mat4.fromYRotation=function(a,t){var l=Math.sin(t),o=Math.cos(t);return a[0]=o,a[1]=0,a[2]=-l,a[3]=0,a[4]=0,a[5]=1,a[6]=0,a[7]=0,a[8]=l,a[9]=0,a[10]=o,a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a},mat4.fromZRotation=function(a,t){var l=Math.sin(t),o=Math.cos(t);return a[0]=o,a[1]=l,a[2]=0,a[3]=0,a[4]=-l,a[5]=o,a[6]=0,a[7]=0,a[8]=0,a[9]=0,a[10]=1,a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a},mat4.fromRotationTranslation=function(a,t,l){var o=t[0],M=t[1],S=t[2],x=t[3],I=o+o,D=M+M,F=S+S,r=o*I,s=o*D,u=o*F,e=M*D,m=M*F,n=S*F,i=x*I,h=x*D,d=x*F;return a[0]=1-(e+n),a[1]=s+d,a[2]=u-h,a[3]=0,a[4]=s-d,a[5]=1-(r+n),a[6]=m+i,a[7]=0,a[8]=u+h,a[9]=m-i,a[10]=1-(r+e),a[11]=0,a[12]=l[0],a[13]=l[1],a[14]=l[2],a[15]=1,a},mat4.getTranslation=function(a,t){return a[0]=t[12],a[1]=t[13],a[2]=t[14],a},mat4.getRotation=function(a,t){var l=t[0]+t[5]+t[10],o=0;return l>0?(o=2*Math.sqrt(l+1),a[3]=.25*o,a[0]=(t[6]-t[9])/o,a[1]=(t[8]-t[2])/o,a[2]=(t[1]-t[4])/o):t[0]>t[5]&t[0]>t[10]?(o=2*Math.sqrt(1+t[0]-t[5]-t[10]),a[3]=(t[6]-t[9])/o,a[0]=.25*o,a[1]=(t[1]+t[4])/o,a[2]=(t[8]+t[2])/o):t[5]>t[10]?(o=2*Math.sqrt(1+t[5]-t[0]-t[10]),a[3]=(t[8]-t[2])/o,a[0]=(t[1]+t[4])/o,a[1]=.25*o,a[2]=(t[6]+t[9])/o):(o=2*Math.sqrt(1+t[10]-t[0]-t[5]),a[3]=(t[1]-t[4])/o,a[0]=(t[8]+t[2])/o,a[1]=(t[6]+t[9])/o,a[2]=.25*o),a},mat4.fromRotationTranslationScale=function(a,t,l,o){var M=t[0],S=t[1],x=t[2],I=t[3],D=M+M,F=S+S,r=x+x,s=M*D,u=M*F,e=M*r,m=S*F,n=S*r,i=x*r,h=I*D,d=I*F,z=I*r,f=o[0],c=o[1],b=o[2];return a[0]=(1-(m+i))*f,a[1]=(u+z)*f,a[2]=(e-d)*f,a[3]=0,a[4]=(u-z)*c,a[5]=(1-(s+i))*c,a[6]=(n+h)*c,a[7]=0,a[8]=(e+d)*b,a[9]=(n-h)*b,a[10]=(1-(s+m))*b,a[11]=0,a[12]=l[0],a[13]=l[1],a[14]=l[2],a[15]=1,a},mat4.fromRotationTranslationScaleOrigin=function(a,t,l,o,M){var S=t[0],x=t[1],I=t[2],D=t[3],F=S+S,r=x+x,s=I+I,u=S*F,e=S*r,m=S*s,n=x*r,i=x*s,h=I*s,d=D*F,z=D*r,f=D*s,c=o[0],b=o[1],w=o[2],v=M[0],p=M[1],g=M[2];return a[0]=(1-(n+h))*c,a[1]=(e+f)*c,a[2]=(m-z)*c,a[3]=0,a[4]=(e-f)*b,a[5]=(1-(u+h))*b,a[6]=(i+d)*b,a[7]=0,a[8]=(m+z)*w,a[9]=(i-d)*w,a[10]=(1-(u+n))*w,a[11]=0,a[12]=l[0]+v-(a[0]*v+a[4]*p+a[8]*g),a[13]=l[1]+p-(a[1]*v+a[5]*p+a[9]*g),a[14]=l[2]+g-(a[2]*v+a[6]*p+a[10]*g),a[15]=1,a},mat4.fromQuat=function(a,t){var l=t[0],o=t[1],M=t[2],S=t[3],x=l+l,I=o+o,D=M+M,F=l*x,r=o*x,s=o*I,u=M*x,e=M*I,m=M*D,n=S*x,i=S*I,h=S*D;return a[0]=1-s-m,a[1]=r+h,a[2]=u-i,a[3]=0,a[4]=r-h,a[5]=1-F-m,a[6]=e+n,a[7]=0,a[8]=u+i,a[9]=e-n,a[10]=1-F-s,a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a},mat4.frustum=function(a,t,l,o,M,S,x){var I=1/(l-t),D=1/(M-o),F=1/(S-x);return a[0]=2*S*I,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=2*S*D,a[6]=0,a[7]=0,a[8]=(l+t)*I,a[9]=(M+o)*D,a[10]=(x+S)*F,a[11]=-1,a[12]=0,a[13]=0,a[14]=x*S*2*F,a[15]=0,a},mat4.perspective=function(a,t,l,o,M){var S=1/Math.tan(t/2),x=1/(o-M);return a[0]=S/l,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=S,a[6]=0,a[7]=0,a[8]=0,a[9]=0,a[10]=(M+o)*x,a[11]=-1,a[12]=0,a[13]=0,a[14]=2*M*o*x,a[15]=0,a},mat4.perspectiveFromFieldOfView=function(a,t,l,o){var M=Math.tan(t.upDegrees*Math.PI/180),S=Math.tan(t.downDegrees*Math.PI/180),x=Math.tan(t.leftDegrees*Math.PI/180),I=Math.tan(t.rightDegrees*Math.PI/180),D=2/(x+I),F=2/(M+S);return a[0]=D,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=F,a[6]=0,a[7]=0,a[8]=-((x-I)*D*.5),a[9]=(M-S)*F*.5,a[10]=o/(l-o),a[11]=-1,a[12]=0,a[13]=0,a[14]=o*l/(l-o),a[15]=0,a},mat4.ortho=function(a,t,l,o,M,S,x){var I=1/(t-l),D=1/(o-M),F=1/(S-x);return a[0]=-2*I,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=-2*D,a[6]=0,a[7]=0,a[8]=0,a[9]=0,a[10]=2*F,a[11]=0,a[12]=(t+l)*I,a[13]=(M+o)*D,a[14]=(x+S)*F,a[15]=1,a},mat4.lookAt=function(a,t,l,o){var M,S,x,I,D,F,r,s,u,e,m=t[0],n=t[1],i=t[2],h=o[0],d=o[1],z=o[2],f=l[0],c=l[1],b=l[2];return Math.abs(m-f)<glMatrix.EPSILON&&Math.abs(n-c)<glMatrix.EPSILON&&Math.abs(i-b)<glMatrix.EPSILON?mat4.identity(a):(r=m-f,s=n-c,u=i-b,e=1/Math.sqrt(r*r+s*s+u*u),r*=e,s*=e,u*=e,M=d*u-z*s,S=z*r-h*u,x=h*s-d*r,e=Math.sqrt(M*M+S*S+x*x),e?(e=1/e,M*=e,S*=e,x*=e):(M=0,S=0,x=0),I=s*x-u*S,D=u*M-r*x,F=r*S-s*M,e=Math.sqrt(I*I+D*D+F*F),e?(e=1/e,I*=e,D*=e,F*=e):(I=0,D=0,F=0),a[0]=M,a[1]=I,a[2]=r,a[3]=0,a[4]=S,a[5]=D,a[6]=s,a[7]=0,a[8]=x,a[9]=F,a[10]=u,a[11]=0,a[12]=-(M*m+S*n+x*i),a[13]=-(I*m+D*n+F*i),a[14]=-(r*m+s*n+u*i),a[15]=1,a)},mat4.str=function(a){return"mat4("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+", "+a[4]+", "+a[5]+", "+a[6]+", "+a[7]+", "+a[8]+", "+a[9]+", "+a[10]+", "+a[11]+", "+a[12]+", "+a[13]+", "+a[14]+", "+a[15]+")"},mat4.frob=function(a){return Math.sqrt(Math.pow(a[0],2)+Math.pow(a[1],2)+Math.pow(a[2],2)+Math.pow(a[3],2)+Math.pow(a[4],2)+Math.pow(a[5],2)+Math.pow(a[6],2)+Math.pow(a[7],2)+Math.pow(a[8],2)+Math.pow(a[9],2)+Math.pow(a[10],2)+Math.pow(a[11],2)+Math.pow(a[12],2)+Math.pow(a[13],2)+Math.pow(a[14],2)+Math.pow(a[15],2))},mat4.add=function(a,t,l){return a[0]=t[0]+l[0],a[1]=t[1]+l[1],a[2]=t[2]+l[2],a[3]=t[3]+l[3],a[4]=t[4]+l[4],a[5]=t[5]+l[5],a[6]=t[6]+l[6],a[7]=t[7]+l[7],a[8]=t[8]+l[8],a[9]=t[9]+l[9],a[10]=t[10]+l[10],a[11]=t[11]+l[11],a[12]=t[12]+l[12],a[13]=t[13]+l[13],a[14]=t[14]+l[14],a[15]=t[15]+l[15],a},mat4.subtract=function(a,t,l){return a[0]=t[0]-l[0],a[1]=t[1]-l[1],a[2]=t[2]-l[2],a[3]=t[3]-l[3],a[4]=t[4]-l[4],a[5]=t[5]-l[5],a[6]=t[6]-l[6],a[7]=t[7]-l[7],a[8]=t[8]-l[8],a[9]=t[9]-l[9],a[10]=t[10]-l[10],a[11]=t[11]-l[11],a[12]=t[12]-l[12],a[13]=t[13]-l[13],a[14]=t[14]-l[14],a[15]=t[15]-l[15],a},mat4.sub=mat4.subtract,mat4.multiplyScalar=function(a,t,l){return a[0]=t[0]*l,a[1]=t[1]*l,a[2]=t[2]*l,a[3]=t[3]*l,a[4]=t[4]*l,a[5]=t[5]*l,a[6]=t[6]*l,a[7]=t[7]*l,a[8]=t[8]*l,a[9]=t[9]*l,a[10]=t[10]*l,a[11]=t[11]*l,a[12]=t[12]*l,a[13]=t[13]*l,a[14]=t[14]*l,a[15]=t[15]*l,a},mat4.multiplyScalarAndAdd=function(a,t,l,o){return a[0]=t[0]+l[0]*o,a[1]=t[1]+l[1]*o,a[2]=t[2]+l[2]*o,a[3]=t[3]+l[3]*o,a[4]=t[4]+l[4]*o,a[5]=t[5]+l[5]*o,a[6]=t[6]+l[6]*o,a[7]=t[7]+l[7]*o,a[8]=t[8]+l[8]*o,a[9]=t[9]+l[9]*o,a[10]=t[10]+l[10]*o,a[11]=t[11]+l[11]*o,a[12]=t[12]+l[12]*o,a[13]=t[13]+l[13]*o,a[14]=t[14]+l[14]*o,a[15]=t[15]+l[15]*o,a},mat4.exactEquals=function(a,t){return a[0]===t[0]&&a[1]===t[1]&&a[2]===t[2]&&a[3]===t[3]&&a[4]===t[4]&&a[5]===t[5]&&a[6]===t[6]&&a[7]===t[7]&&a[8]===t[8]&&a[9]===t[9]&&a[10]===t[10]&&a[11]===t[11]&&a[12]===t[12]&&a[13]===t[13]&&a[14]===t[14]&&a[15]===t[15]},mat4.equals=function(a,t){var l=a[0],o=a[1],M=a[2],S=a[3],x=a[4],I=a[5],D=a[6],F=a[7],r=a[8],s=a[9],u=a[10],e=a[11],m=a[12],n=a[13],i=a[14],h=a[15],d=t[0],z=t[1],f=t[2],c=t[3],b=t[4],w=t[5],v=t[6],p=t[7],g=t[8],E=t[9],P=t[10],O=t[11],L=t[12],N=t[13],R=t[14],q=t[15];return Math.abs(l-d)<=glMatrix.EPSILON*Math.max(1,Math.abs(l),Math.abs(d))&&Math.abs(o-z)<=glMatrix.EPSILON*Math.max(1,Math.abs(o),Math.abs(z))&&Math.abs(M-f)<=glMatrix.EPSILON*Math.max(1,Math.abs(M),Math.abs(f))&&Math.abs(S-c)<=glMatrix.EPSILON*Math.max(1,Math.abs(S),Math.abs(c))&&Math.abs(x-b)<=glMatrix.EPSILON*Math.max(1,Math.abs(x),Math.abs(b))&&Math.abs(I-w)<=glMatrix.EPSILON*Math.max(1,Math.abs(I),Math.abs(w))&&Math.abs(D-v)<=glMatrix.EPSILON*Math.max(1,Math.abs(D),Math.abs(v))&&Math.abs(F-p)<=glMatrix.EPSILON*Math.max(1,Math.abs(F),Math.abs(p))&&Math.abs(r-g)<=glMatrix.EPSILON*Math.max(1,Math.abs(r),Math.abs(g))&&Math.abs(s-E)<=glMatrix.EPSILON*Math.max(1,Math.abs(s),Math.abs(E))&&Math.abs(u-P)<=glMatrix.EPSILON*Math.max(1,Math.abs(u),Math.abs(P))&&Math.abs(e-O)<=glMatrix.EPSILON*Math.max(1,Math.abs(e),Math.abs(O))&&Math.abs(m-L)<=glMatrix.EPSILON*Math.max(1,Math.abs(m),Math.abs(L))&&Math.abs(n-N)<=glMatrix.EPSILON*Math.max(1,Math.abs(n),Math.abs(N))&&Math.abs(i-R)<=glMatrix.EPSILON*Math.max(1,Math.abs(i),Math.abs(R))&&Math.abs(h-q)<=glMatrix.EPSILON*Math.max(1,Math.abs(h),Math.abs(q))},module.exports=mat4;
-},{"./common.js":135}],140:[function(require,module,exports){
-var glMatrix=require("./common.js"),mat3=require("./mat3.js"),vec3=require("./vec3.js"),vec4=require("./vec4.js"),quat={};quat.create=function(){var t=new glMatrix.ARRAY_TYPE(4);return t[0]=0,t[1]=0,t[2]=0,t[3]=1,t},quat.rotationTo=function(){var t=vec3.create(),a=vec3.fromValues(1,0,0),e=vec3.fromValues(0,1,0);return function(u,r,n){var c=vec3.dot(r,n);return-.999999>c?(vec3.cross(t,a,r),vec3.length(t)<1e-6&&vec3.cross(t,e,r),vec3.normalize(t,t),quat.setAxisAngle(u,t,Math.PI),u):c>.999999?(u[0]=0,u[1]=0,u[2]=0,u[3]=1,u):(vec3.cross(t,r,n),u[0]=t[0],u[1]=t[1],u[2]=t[2],u[3]=1+c,quat.normalize(u,u))}}(),quat.setAxes=function(){var t=mat3.create();return function(a,e,u,r){return t[0]=u[0],t[3]=u[1],t[6]=u[2],t[1]=r[0],t[4]=r[1],t[7]=r[2],t[2]=-e[0],t[5]=-e[1],t[8]=-e[2],quat.normalize(a,quat.fromMat3(a,t))}}(),quat.clone=vec4.clone,quat.fromValues=vec4.fromValues,quat.copy=vec4.copy,quat.set=vec4.set,quat.identity=function(t){return t[0]=0,t[1]=0,t[2]=0,t[3]=1,t},quat.setAxisAngle=function(t,a,e){e=.5*e;var u=Math.sin(e);return t[0]=u*a[0],t[1]=u*a[1],t[2]=u*a[2],t[3]=Math.cos(e),t},quat.getAxisAngle=function(t,a){var e=2*Math.acos(a[3]),u=Math.sin(e/2);return 0!=u?(t[0]=a[0]/u,t[1]=a[1]/u,t[2]=a[2]/u):(t[0]=1,t[1]=0,t[2]=0),e},quat.add=vec4.add,quat.multiply=function(t,a,e){var u=a[0],r=a[1],n=a[2],c=a[3],q=e[0],s=e[1],o=e[2],i=e[3];return t[0]=u*i+c*q+r*o-n*s,t[1]=r*i+c*s+n*q-u*o,t[2]=n*i+c*o+u*s-r*q,t[3]=c*i-u*q-r*s-n*o,t},quat.mul=quat.multiply,quat.scale=vec4.scale,quat.rotateX=function(t,a,e){e*=.5;var u=a[0],r=a[1],n=a[2],c=a[3],q=Math.sin(e),s=Math.cos(e);return t[0]=u*s+c*q,t[1]=r*s+n*q,t[2]=n*s-r*q,t[3]=c*s-u*q,t},quat.rotateY=function(t,a,e){e*=.5;var u=a[0],r=a[1],n=a[2],c=a[3],q=Math.sin(e),s=Math.cos(e);return t[0]=u*s-n*q,t[1]=r*s+c*q,t[2]=n*s+u*q,t[3]=c*s-r*q,t},quat.rotateZ=function(t,a,e){e*=.5;var u=a[0],r=a[1],n=a[2],c=a[3],q=Math.sin(e),s=Math.cos(e);return t[0]=u*s+r*q,t[1]=r*s-u*q,t[2]=n*s+c*q,t[3]=c*s-n*q,t},quat.calculateW=function(t,a){var e=a[0],u=a[1],r=a[2];return t[0]=e,t[1]=u,t[2]=r,t[3]=Math.sqrt(Math.abs(1-e*e-u*u-r*r)),t},quat.dot=vec4.dot,quat.lerp=vec4.lerp,quat.slerp=function(t,a,e,u){var r,n,c,q,s,o=a[0],i=a[1],v=a[2],l=a[3],f=e[0],h=e[1],M=e[2],m=e[3];return n=o*f+i*h+v*M+l*m,0>n&&(n=-n,f=-f,h=-h,M=-M,m=-m),1-n>1e-6?(r=Math.acos(n),c=Math.sin(r),q=Math.sin((1-u)*r)/c,s=Math.sin(u*r)/c):(q=1-u,s=u),t[0]=q*o+s*f,t[1]=q*i+s*h,t[2]=q*v+s*M,t[3]=q*l+s*m,t},quat.sqlerp=function(){var t=quat.create(),a=quat.create();return function(e,u,r,n,c,q){return quat.slerp(t,u,c,q),quat.slerp(a,r,n,q),quat.slerp(e,t,a,2*q*(1-q)),e}}(),quat.invert=function(t,a){var e=a[0],u=a[1],r=a[2],n=a[3],c=e*e+u*u+r*r+n*n,q=c?1/c:0;return t[0]=-e*q,t[1]=-u*q,t[2]=-r*q,t[3]=n*q,t},quat.conjugate=function(t,a){return t[0]=-a[0],t[1]=-a[1],t[2]=-a[2],t[3]=a[3],t},quat.length=vec4.length,quat.len=quat.length,quat.squaredLength=vec4.squaredLength,quat.sqrLen=quat.squaredLength,quat.normalize=vec4.normalize,quat.fromMat3=function(t,a){var e,u=a[0]+a[4]+a[8];if(u>0)e=Math.sqrt(u+1),t[3]=.5*e,e=.5/e,t[0]=(a[5]-a[7])*e,t[1]=(a[6]-a[2])*e,t[2]=(a[1]-a[3])*e;else{var r=0;a[4]>a[0]&&(r=1),a[8]>a[3*r+r]&&(r=2);var n=(r+1)%3,c=(r+2)%3;e=Math.sqrt(a[3*r+r]-a[3*n+n]-a[3*c+c]+1),t[r]=.5*e,e=.5/e,t[3]=(a[3*n+c]-a[3*c+n])*e,t[n]=(a[3*n+r]+a[3*r+n])*e,t[c]=(a[3*c+r]+a[3*r+c])*e}return t},quat.str=function(t){return"quat("+t[0]+", "+t[1]+", "+t[2]+", "+t[3]+")"},quat.exactEquals=vec4.exactEquals,quat.equals=vec4.equals,module.exports=quat;
-},{"./common.js":135,"./mat3.js":138,"./vec3.js":142,"./vec4.js":143}],141:[function(require,module,exports){
-var glMatrix=require("./common.js"),vec2={};vec2.create=function(){var n=new glMatrix.ARRAY_TYPE(2);return n[0]=0,n[1]=0,n},vec2.clone=function(n){var t=new glMatrix.ARRAY_TYPE(2);return t[0]=n[0],t[1]=n[1],t},vec2.fromValues=function(n,t){var r=new glMatrix.ARRAY_TYPE(2);return r[0]=n,r[1]=t,r},vec2.copy=function(n,t){return n[0]=t[0],n[1]=t[1],n},vec2.set=function(n,t,r){return n[0]=t,n[1]=r,n},vec2.add=function(n,t,r){return n[0]=t[0]+r[0],n[1]=t[1]+r[1],n},vec2.subtract=function(n,t,r){return n[0]=t[0]-r[0],n[1]=t[1]-r[1],n},vec2.sub=vec2.subtract,vec2.multiply=function(n,t,r){return n[0]=t[0]*r[0],n[1]=t[1]*r[1],n},vec2.mul=vec2.multiply,vec2.divide=function(n,t,r){return n[0]=t[0]/r[0],n[1]=t[1]/r[1],n},vec2.div=vec2.divide,vec2.ceil=function(n,t){return n[0]=Math.ceil(t[0]),n[1]=Math.ceil(t[1]),n},vec2.floor=function(n,t){return n[0]=Math.floor(t[0]),n[1]=Math.floor(t[1]),n},vec2.min=function(n,t,r){return n[0]=Math.min(t[0],r[0]),n[1]=Math.min(t[1],r[1]),n},vec2.max=function(n,t,r){return n[0]=Math.max(t[0],r[0]),n[1]=Math.max(t[1],r[1]),n},vec2.round=function(n,t){return n[0]=Math.round(t[0]),n[1]=Math.round(t[1]),n},vec2.scale=function(n,t,r){return n[0]=t[0]*r,n[1]=t[1]*r,n},vec2.scaleAndAdd=function(n,t,r,e){return n[0]=t[0]+r[0]*e,n[1]=t[1]+r[1]*e,n},vec2.distance=function(n,t){var r=t[0]-n[0],e=t[1]-n[1];return Math.sqrt(r*r+e*e)},vec2.dist=vec2.distance,vec2.squaredDistance=function(n,t){var r=t[0]-n[0],e=t[1]-n[1];return r*r+e*e},vec2.sqrDist=vec2.squaredDistance,vec2.length=function(n){var t=n[0],r=n[1];return Math.sqrt(t*t+r*r)},vec2.len=vec2.length,vec2.squaredLength=function(n){var t=n[0],r=n[1];return t*t+r*r},vec2.sqrLen=vec2.squaredLength,vec2.negate=function(n,t){return n[0]=-t[0],n[1]=-t[1],n},vec2.inverse=function(n,t){return n[0]=1/t[0],n[1]=1/t[1],n},vec2.normalize=function(n,t){var r=t[0],e=t[1],c=r*r+e*e;return c>0&&(c=1/Math.sqrt(c),n[0]=t[0]*c,n[1]=t[1]*c),n},vec2.dot=function(n,t){return n[0]*t[0]+n[1]*t[1]},vec2.cross=function(n,t,r){var e=t[0]*r[1]-t[1]*r[0];return n[0]=n[1]=0,n[2]=e,n},vec2.lerp=function(n,t,r,e){var c=t[0],a=t[1];return n[0]=c+e*(r[0]-c),n[1]=a+e*(r[1]-a),n},vec2.random=function(n,t){t=t||1;var r=2*glMatrix.RANDOM()*Math.PI;return n[0]=Math.cos(r)*t,n[1]=Math.sin(r)*t,n},vec2.transformMat2=function(n,t,r){var e=t[0],c=t[1];return n[0]=r[0]*e+r[2]*c,n[1]=r[1]*e+r[3]*c,n},vec2.transformMat2d=function(n,t,r){var e=t[0],c=t[1];return n[0]=r[0]*e+r[2]*c+r[4],n[1]=r[1]*e+r[3]*c+r[5],n},vec2.transformMat3=function(n,t,r){var e=t[0],c=t[1];return n[0]=r[0]*e+r[3]*c+r[6],n[1]=r[1]*e+r[4]*c+r[7],n},vec2.transformMat4=function(n,t,r){var e=t[0],c=t[1];return n[0]=r[0]*e+r[4]*c+r[12],n[1]=r[1]*e+r[5]*c+r[13],n},vec2.forEach=function(){var n=vec2.create();return function(t,r,e,c,a,u){var v,i;for(r||(r=2),e||(e=0),i=c?Math.min(c*r+e,t.length):t.length,v=e;i>v;v+=r)n[0]=t[v],n[1]=t[v+1],a(n,n,u),t[v]=n[0],t[v+1]=n[1];return t}}(),vec2.str=function(n){return"vec2("+n[0]+", "+n[1]+")"},vec2.exactEquals=function(n,t){return n[0]===t[0]&&n[1]===t[1]},vec2.equals=function(n,t){var r=n[0],e=n[1],c=t[0],a=t[1];return Math.abs(r-c)<=glMatrix.EPSILON*Math.max(1,Math.abs(r),Math.abs(c))&&Math.abs(e-a)<=glMatrix.EPSILON*Math.max(1,Math.abs(e),Math.abs(a))},module.exports=vec2;
-},{"./common.js":135}],142:[function(require,module,exports){
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t[0]=Math.floor(n[0]),t[1]=Math.floor(n[1]),t[2]=Math.floor(n[2]),t},vec3.min=function(t,n,r){return t[0]=Math.min(n[0],r[0]),t[1]=Math.min(n[1],r[1]),t[2]=Math.min(n[2],r[2]),t},vec3.max=function(t,n,r){return t[0]=Math.max(n[0],r[0]),t[1]=Math.max(n[1],r[1]),t[2]=Math.max(n[2],r[2]),t},vec3.round=function(t,n){return t[0]=Math.round(n[0]),t[1]=Math.round(n[1]),t[2]=Math.round(n[2]),t},vec3.scale=function(t,n,r){return t[0]=n[0]*r,t[1]=n[1]*r,t[2]=n[2]*r,t},vec3.scaleAndAdd=function(t,n,r,e){return t[0]=n[0]+r[0]*e,t[1]=n[1]+r[1]*e,t[2]=n[2]+r[2]*e,t},vec3.distance=function(t,n){var r=n[0]-t[0],e=n[1]-t[1],a=n[2]-t[2];return Math.sqrt(r*r+e*e+a*a)},vec3.dist=vec3.distance,vec3.squaredDistance=function(t,n){var r=n[0]-t[0],e=n[1]-t[1],a=n[2]-t[2];return r*r+e*e+a*a},vec3.sqrDist=vec3.squaredDistance,vec3.length=function(t){var n=t[0],r=t[1],e=t[2];return Math.sqrt(n*n+r*r+e*e)},vec3.len=vec3.length,vec3.squaredLength=function(t){var n=t[0],r=t[1],e=t[2];return n*n+r*r+e*e},vec3.sqrLen=vec3.squaredLength,vec3.negate=function(t,n){return t[0]=-n[0],t[1]=-n[1],t[2]=-n[2],t},vec3.inverse=function(t,n){return t[0]=1/n[0],t[1]=1/n[1],t[2]=1/n[2],t},vec3.normalize=function(t,n){var r=n[0],e=n[1],a=n[2],c=r*r+e*e+a*a;return c>0&&(c=1/Math.sqrt(c),t[0]=n[0]*c,t[1]=n[1]*c,t[2]=n[2]*c),t},vec3.dot=function(t,n){return t[0]*n[0]+t[1]*n[1]+t[2]*n[2]},vec3.cross=function(t,n,r){var e=n[0],a=n[1],c=n[2],u=r[0],v=r[1],i=r[2];return t[0]=a*i-c*v,t[1]=c*u-e*i,t[2]=e*v-a*u,t},vec3.lerp=function(t,n,r,e){var a=n[0],c=n[1],u=n[2];return t[0]=a+e*(r[0]-a),t[1]=c+e*(r[1]-c),t[2]=u+e*(r[2]-u),t},vec3.hermite=function(t,n,r,e,a,c){var u=c*c,v=u*(2*c-3)+1,i=u*(c-2)+c,o=u*(c-1),M=u*(3-2*c);return t[0]=n[0]*v+r[0]*i+e[0]*o+a[0]*M,t[1]=n[1]*v+r[1]*i+e[1]*o+a[1]*M,t[2]=n[2]*v+r[2]*i+e[2]*o+a[2]*M,t},vec3.bezier=function(t,n,r,e,a,c){var u=1-c,v=u*u,i=c*c,o=v*u,M=3*c*v,s=3*i*u,h=i*c;return t[0]=n[0]*o+r[0]*M+e[0]*s+a[0]*h,t[1]=n[1]*o+r[1]*M+e[1]*s+a[1]*h,t[2]=n[2]*o+r[2]*M+e[2]*s+a[2]*h,t},vec3.random=function(t,n){n=n||1;var r=2*glMatrix.RANDOM()*Math.PI,e=2*glMatrix.RANDOM()-1,a=Math.sqrt(1-e*e)*n;return t[0]=Math.cos(r)*a,t[1]=Math.sin(r)*a,t[2]=e*n,t},vec3.transformMat4=function(t,n,r){var e=n[0],a=n[1],c=n[2],u=r[3]*e+r[7]*a+r[11]*c+r[15];return u=u||1,t[0]=(r[0]*e+r[4]*a+r[8]*c+r[12])/u,t[1]=(r[1]*e+r[5]*a+r[9]*c+r[13])/u,t[2]=(r[2]*e+r[6]*a+r[10]*c+r[14])/u,t},vec3.transformMat3=function(t,n,r){var e=n[0],a=n[1],c=n[2];return t[0]=e*r[0]+a*r[3]+c*r[6],t[1]=e*r[1]+a*r[4]+c*r[7],t[2]=e*r[2]+a*r[5]+c*r[8],t},vec3.transformQuat=function(t,n,r){var e=n[0],a=n[1],c=n[2],u=r[0],v=r[1],i=r[2],o=r[3],M=o*e+v*c-i*a,s=o*a+i*e-u*c,h=o*c+u*a-v*e,f=-u*e-v*a-i*c;return t[0]=M*o+f*-u+s*-i-h*-v,t[1]=s*o+f*-v+h*-u-M*-i,t[2]=h*o+f*-i+M*-v-s*-u,t},vec3.rotateX=function(t,n,r,e){var a=[],c=[];return a[0]=n[0]-r[0],a[1]=n[1]-r[1],a[2]=n[2]-r[2],c[0]=a[0],c[1]=a[1]*Math.cos(e)-a[2]*Math.sin(e),c[2]=a[1]*Math.sin(e)+a[2]*Math.cos(e),t[0]=c[0]+r[0],t[1]=c[1]+r[1],t[2]=c[2]+r[2],t},vec3.rotateY=function(t,n,r,e){var a=[],c=[];return a[0]=n[0]-r[0],a[1]=n[1]-r[1],a[2]=n[2]-r[2],c[0]=a[2]*Math.sin(e)+a[0]*Math.cos(e),c[1]=a[1],c[2]=a[2]*Math.cos(e)-a[0]*Math.sin(e),t[0]=c[0]+r[0],t[1]=c[1]+r[1],t[2]=c[2]+r[2],t},vec3.rotateZ=function(t,n,r,e){var a=[],c=[];return a[0]=n[0]-r[0],a[1]=n[1]-r[1],a[2]=n[2]-r[2],c[0]=a[0]*Math.cos(e)-a[1]*Math.sin(e),c[1]=a[0]*Math.sin(e)+a[1]*Math.cos(e),c[2]=a[2],t[0]=c[0]+r[0],t[1]=c[1]+r[1],t[2]=c[2]+r[2],t},vec3.forEach=function(){var t=vec3.create();return function(n,r,e,a,c,u){var v,i;for(r||(r=3),e||(e=0),i=a?Math.min(a*r+e,n.length):n.length,v=e;i>v;v+=r)t[0]=n[v],t[1]=n[v+1],t[2]=n[v+2],c(t,t,u),n[v]=t[0],n[v+1]=t[1],n[v+2]=t[2];return n}}(),vec3.angle=function(t,n){var r=vec3.fromValues(t[0],t[1],t[2]),e=vec3.fromValues(n[0],n[1],n[2]);vec3.normalize(r,r),vec3.normalize(e,e);var a=vec3.dot(r,e);return a>1?0:Math.acos(a)},vec3.str=function(t){return"vec3("+t[0]+", "+t[1]+", "+t[2]+")"},vec3.exactEquals=function(t,n){return t[0]===n[0]&&t[1]===n[1]&&t[2]===n[2]},vec3.equals=function(t,n){var r=t[0],e=t[1],a=t[2],c=n[0],u=n[1],v=n[2];return Math.abs(r-c)<=glMatrix.EPSILON*Math.max(1,Math.abs(r),Math.abs(c))&&Math.abs(e-u)<=glMatrix.EPSILON*Math.max(1,Math.abs(e),Math.abs(u))&&Math.abs(a-v)<=glMatrix.EPSILON*Math.max(1,Math.abs(a),Math.abs(v))},module.exports=vec3;
-},{"./common.js":135}],143:[function(require,module,exports){
-var glMatrix=require("./common.js"),vec4={};vec4.create=function(){var t=new glMatrix.ARRAY_TYPE(4);return t[0]=0,t[1]=0,t[2]=0,t[3]=0,t},vec4.clone=function(t){var n=new glMatrix.ARRAY_TYPE(4);return n[0]=t[0],n[1]=t[1],n[2]=t[2],n[3]=t[3],n},vec4.fromValues=function(t,n,e,r){var a=new glMatrix.ARRAY_TYPE(4);return a[0]=t,a[1]=n,a[2]=e,a[3]=r,a},vec4.copy=function(t,n){return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t},vec4.set=function(t,n,e,r,a){return t[0]=n,t[1]=e,t[2]=r,t[3]=a,t},vec4.add=function(t,n,e){return t[0]=n[0]+e[0],t[1]=n[1]+e[1],t[2]=n[2]+e[2],t[3]=n[3]+e[3],t},vec4.subtract=function(t,n,e){return t[0]=n[0]-e[0],t[1]=n[1]-e[1],t[2]=n[2]-e[2],t[3]=n[3]-e[3],t},vec4.sub=vec4.subtract,vec4.multiply=function(t,n,e){return t[0]=n[0]*e[0],t[1]=n[1]*e[1],t[2]=n[2]*e[2],t[3]=n[3]*e[3],t},vec4.mul=vec4.multiply,vec4.divide=function(t,n,e){return t[0]=n[0]/e[0],t[1]=n[1]/e[1],t[2]=n[2]/e[2],t[3]=n[3]/e[3],t},vec4.div=vec4.divide,vec4.ceil=function(t,n){return t[0]=Math.ceil(n[0]),t[1]=Math.ceil(n[1]),t[2]=Math.ceil(n[2]),t[3]=Math.ceil(n[3]),t},vec4.floor=function(t,n){return t[0]=Math.floor(n[0]),t[1]=Math.floor(n[1]),t[2]=Math.floor(n[2]),t[3]=Math.floor(n[3]),t},vec4.min=function(t,n,e){return t[0]=Math.min(n[0],e[0]),t[1]=Math.min(n[1],e[1]),t[2]=Math.min(n[2],e[2]),t[3]=Math.min(n[3],e[3]),t},vec4.max=function(t,n,e){return t[0]=Math.max(n[0],e[0]),t[1]=Math.max(n[1],e[1]),t[2]=Math.max(n[2],e[2]),t[3]=Math.max(n[3],e[3]),t},vec4.round=function(t,n){return t[0]=Math.round(n[0]),t[1]=Math.round(n[1]),t[2]=Math.round(n[2]),t[3]=Math.round(n[3]),t},vec4.scale=function(t,n,e){return t[0]=n[0]*e,t[1]=n[1]*e,t[2]=n[2]*e,t[3]=n[3]*e,t},vec4.scaleAndAdd=function(t,n,e,r){return t[0]=n[0]+e[0]*r,t[1]=n[1]+e[1]*r,t[2]=n[2]+e[2]*r,t[3]=n[3]+e[3]*r,t},vec4.distance=function(t,n){var e=n[0]-t[0],r=n[1]-t[1],a=n[2]-t[2],c=n[3]-t[3];return Math.sqrt(e*e+r*r+a*a+c*c)},vec4.dist=vec4.distance,vec4.squaredDistance=function(t,n){var e=n[0]-t[0],r=n[1]-t[1],a=n[2]-t[2],c=n[3]-t[3];return e*e+r*r+a*a+c*c},vec4.sqrDist=vec4.squaredDistance,vec4.length=function(t){var n=t[0],e=t[1],r=t[2],a=t[3];return Math.sqrt(n*n+e*e+r*r+a*a)},vec4.len=vec4.length,vec4.squaredLength=function(t){var n=t[0],e=t[1],r=t[2],a=t[3];return n*n+e*e+r*r+a*a},vec4.sqrLen=vec4.squaredLength,vec4.negate=function(t,n){return t[0]=-n[0],t[1]=-n[1],t[2]=-n[2],t[3]=-n[3],t},vec4.inverse=function(t,n){return t[0]=1/n[0],t[1]=1/n[1],t[2]=1/n[2],t[3]=1/n[3],t},vec4.normalize=function(t,n){var e=n[0],r=n[1],a=n[2],c=n[3],u=e*e+r*r+a*a+c*c;return u>0&&(u=1/Math.sqrt(u),t[0]=e*u,t[1]=r*u,t[2]=a*u,t[3]=c*u),t},vec4.dot=function(t,n){return t[0]*n[0]+t[1]*n[1]+t[2]*n[2]+t[3]*n[3]},vec4.lerp=function(t,n,e,r){var a=n[0],c=n[1],u=n[2],i=n[3];return t[0]=a+r*(e[0]-a),t[1]=c+r*(e[1]-c),t[2]=u+r*(e[2]-u),t[3]=i+r*(e[3]-i),t},vec4.random=function(t,n){return n=n||1,t[0]=glMatrix.RANDOM(),t[1]=glMatrix.RANDOM(),t[2]=glMatrix.RANDOM(),t[3]=glMatrix.RANDOM(),vec4.normalize(t,t),vec4.scale(t,t,n),t},vec4.transformMat4=function(t,n,e){var r=n[0],a=n[1],c=n[2],u=n[3];return t[0]=e[0]*r+e[4]*a+e[8]*c+e[12]*u,t[1]=e[1]*r+e[5]*a+e[9]*c+e[13]*u,t[2]=e[2]*r+e[6]*a+e[10]*c+e[14]*u,t[3]=e[3]*r+e[7]*a+e[11]*c+e[15]*u,t},vec4.transformQuat=function(t,n,e){var r=n[0],a=n[1],c=n[2],u=e[0],i=e[1],v=e[2],o=e[3],M=o*r+i*c-v*a,h=o*a+v*r-u*c,f=o*c+u*a-i*r,l=-u*r-i*a-v*c;return t[0]=M*o+l*-u+h*-v-f*-i,t[1]=h*o+l*-i+f*-u-M*-v,t[2]=f*o+l*-v+M*-i-h*-u,t[3]=n[3],t},vec4.forEach=function(){var t=vec4.create();return function(n,e,r,a,c,u){var i,v;for(e||(e=4),r||(r=0),v=a?Math.min(a*e+r,n.length):n.length,i=r;v>i;i+=e)t[0]=n[i],t[1]=n[i+1],t[2]=n[i+2],t[3]=n[i+3],c(t,t,u),n[i]=t[0],n[i+1]=t[1],n[i+2]=t[2],n[i+3]=t[3];return n}}(),vec4.str=function(t){return"vec4("+t[0]+", "+t[1]+", "+t[2]+", "+t[3]+")"},vec4.exactEquals=function(t,n){return t[0]===n[0]&&t[1]===n[1]&&t[2]===n[2]&&t[3]===n[3]},vec4.equals=function(t,n){var e=t[0],r=t[1],a=t[2],c=t[3],u=n[0],i=n[1],v=n[2],o=n[3];return Math.abs(e-u)<=glMatrix.EPSILON*Math.max(1,Math.abs(e),Math.abs(u))&&Math.abs(r-i)<=glMatrix.EPSILON*Math.max(1,Math.abs(r),Math.abs(i))&&Math.abs(a-v)<=glMatrix.EPSILON*Math.max(1,Math.abs(a),Math.abs(v))&&Math.abs(c-o)<=glMatrix.EPSILON*Math.max(1,Math.abs(c),Math.abs(o))},module.exports=vec4;
-},{"./common.js":135}],144:[function(require,module,exports){
-"use strict";function GridIndex(t,r,e){var s=this.cells=[];if(t instanceof ArrayBuffer){this.arrayBuffer=t;var i=new Int32Array(this.arrayBuffer);t=i[0],r=i[1],e=i[2],this.d=r+2*e;for(var h=0;h<this.d*this.d;h++){var n=i[NUM_PARAMS+h],o=i[NUM_PARAMS+h+1];s.push(n===o?null:i.subarray(n,o))}var l=i[NUM_PARAMS+s.length],a=i[NUM_PARAMS+s.length+1];this.keys=i.subarray(l,a),this.bboxes=i.subarray(a),this.insert=this._insertReadonly}else{this.d=r+2*e;for(var d=0;d<this.d*this.d;d++)s.push([]);this.keys=[],this.bboxes=[]}this.n=r,this.extent=t,this.padding=e,this.scale=r/t,this.uid=0;var f=e/r*t;this.min=-f,this.max=t+f}module.exports=GridIndex;var NUM_PARAMS=3;GridIndex.prototype.insert=function(t,r,e,s,i){this._forEachCell(r,e,s,i,this._insertCell,this.uid++),this.keys.push(t),this.bboxes.push(r),this.bboxes.push(e),this.bboxes.push(s),this.bboxes.push(i)},GridIndex.prototype._insertReadonly=function(){throw"Cannot insert into a GridIndex created from an ArrayBuffer."},GridIndex.prototype._insertCell=function(t,r,e,s,i,h){this.cells[i].push(h)},GridIndex.prototype.query=function(t,r,e,s){var i=this.min,h=this.max;if(i>=t&&i>=r&&e>=h&&s>=h)return Array.prototype.slice.call(this.keys);var n=[],o={};return this._forEachCell(t,r,e,s,this._queryCell,n,o),n},GridIndex.prototype._queryCell=function(t,r,e,s,i,h,n){var o=this.cells[i];if(null!==o)for(var l=this.keys,a=this.bboxes,d=0;d<o.length;d++){var f=o[d];if(void 0===n[f]){var u=4*f;t<=a[u+2]&&r<=a[u+3]&&e>=a[u+0]&&s>=a[u+1]?(n[f]=!0,h.push(l[f])):n[f]=!1}}},GridIndex.prototype._forEachCell=function(t,r,e,s,i,h,n){for(var o=this._convertToCellCoord(t),l=this._convertToCellCoord(r),a=this._convertToCellCoord(e),d=this._convertToCellCoord(s),f=o;a>=f;f++)for(var u=l;d>=u;u++){var y=this.d*u+f;if(i.call(this,t,r,e,s,y,h,n))return}},GridIndex.prototype._convertToCellCoord=function(t){return Math.max(0,Math.min(this.d-1,Math.floor(t*this.scale)+this.padding))},GridIndex.prototype.toArrayBuffer=function(){if(this.arrayBuffer)return this.arrayBuffer;for(var t=this.cells,r=NUM_PARAMS+this.cells.length+1+1,e=0,s=0;s<this.cells.length;s++)e+=this.cells[s].length;var i=new Int32Array(r+e+this.keys.length+this.bboxes.length);i[0]=this.extent,i[1]=this.n,i[2]=this.padding;for(var h=r,n=0;n<t.length;n++){var o=t[n];i[NUM_PARAMS+n]=h,i.set(o,h),h+=o.length}return i[NUM_PARAMS+t.length]=h,i.set(this.keys,h),h+=this.keys.length,i[NUM_PARAMS+t.length+1]=h,i.set(this.bboxes,h),h+=this.bboxes.length,i.buffer};
-},{}],145:[function(require,module,exports){
-"use strict";function createFunction(t,n){var o;if(isFunctionDefinition(t)){var e,r="object"==typeof t.stops[0][0],i=r||void 0!==t.property,s=r||!i,a=t.type||n||"exponential";if("exponential"===a)e=evaluateExponentialFunction;else if("interval"===a)e=evaluateIntervalFunction;else{if("categorical"!==a)throw new Error('Unknown function type "'+a+'"');e=evaluateCategoricalFunction}if(r){for(var u={},p=[],l=0;l<t.stops.length;l++){var c=t.stops[l];void 0===u[c[0].zoom]&&(u[c[0].zoom]={zoom:c[0].zoom,type:t.type,property:t.property,stops:[]}),u[c[0].zoom].stops.push([c[0].value,c[1]])}for(var f in u)p.push([u[f].zoom,createFunction(u[f])]);o=function(n,o){return evaluateExponentialFunction({stops:p,base:t.base},n)(n,o)},o.isFeatureConstant=!1,o.isZoomConstant=!1}else s?(o=function(n){return e(t,n)},o.isFeatureConstant=!0,o.isZoomConstant=!1):(o=function(n,o){return e(t,o[t.property])},o.isFeatureConstant=!1,o.isZoomConstant=!0)}else o=function(){return t},o.isFeatureConstant=!0,o.isZoomConstant=!0;return o}function evaluateCategoricalFunction(t,n){for(var o=0;o<t.stops.length;o++)if(n===t.stops[o][0])return t.stops[o][1];return t.stops[0][1]}function evaluateIntervalFunction(t,n){for(var o=0;o<t.stops.length&&!(n<t.stops[o][0]);o++);return t.stops[Math.max(o-1,0)][1]}function evaluateExponentialFunction(t,n){for(var o=void 0!==t.base?t.base:1,e=0;;){if(e>=t.stops.length)break;if(n<=t.stops[e][0])break;e++}return 0===e?t.stops[e][1]:e===t.stops.length?t.stops[e-1][1]:interpolate(n,o,t.stops[e-1][0],t.stops[e][0],t.stops[e-1][1],t.stops[e][1])}function interpolate(t,n,o,e,r,i){return"function"==typeof r?function(){var s=r.apply(void 0,arguments),a=i.apply(void 0,arguments);return interpolate(t,n,o,e,s,a)}:r.length?interpolateArray(t,n,o,e,r,i):interpolateNumber(t,n,o,e,r,i)}function interpolateNumber(t,n,o,e,r,i){var s,a=e-o,u=t-o;return s=1===n?u/a:(Math.pow(n,u)-1)/(Math.pow(n,a)-1),r*(1-s)+i*s}function interpolateArray(t,n,o,e,r,i){for(var s=[],a=0;a<r.length;a++)s[a]=interpolateNumber(t,n,o,e,r[a],i[a]);return s}function isFunctionDefinition(t){return"object"==typeof t&&t.stops}module.exports.isFunctionDefinition=isFunctionDefinition,module.exports.interpolated=function(t){return createFunction(t,"exponential")},module.exports["piecewise-constant"]=function(t){return createFunction(t,"interval")};
-},{}],146:[function(require,module,exports){
-var path=require("path");module.exports={debug:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform lowp vec4 u_color;\n\nvoid main() {\n    gl_FragColor = u_color;\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nattribute vec2 a_pos;\n\nuniform mat4 u_matrix;\n\nvoid main() {\n    gl_Position = u_matrix * vec4(a_pos, step(32767.0, a_pos.x), 1);\n}\n"},fill:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\n#pragma mapbox: define lowp vec4 color\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 color\n    #pragma mapbox: initialize lowp float opacity\n\n    gl_FragColor = color * opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nattribute vec2 a_pos;\n\nuniform mat4 u_matrix;\n\n#pragma mapbox: define lowp vec4 color\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 color\n    #pragma mapbox: initialize lowp float opacity\n\n    gl_Position = u_matrix * vec4(a_pos, 0, 1);\n}\n"},circle:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\n#pragma mapbox: define lowp vec4 color\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n\nvarying vec2 v_extrude;\nvarying lowp float v_antialiasblur;\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 color\n    #pragma mapbox: initialize lowp float blur\n    #pragma mapbox: initialize lowp float opacity\n\n    float t = smoothstep(1.0 - max(blur, v_antialiasblur), 1.0, length(v_extrude));\n    gl_FragColor = color * (1.0 - t) * opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform mat4 u_matrix;\nuniform bool u_scale_with_map;\nuniform vec2 u_extrude_scale;\nuniform float u_devicepixelratio;\n\nattribute vec2 a_pos;\n\n#pragma mapbox: define lowp vec4 color\n#pragma mapbox: define mediump float radius\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n\nvarying vec2 v_extrude;\nvarying lowp float v_antialiasblur;\n\nvoid main(void) {\n    #pragma mapbox: initialize lowp vec4 color\n    #pragma mapbox: initialize mediump float radius\n    #pragma mapbox: initialize lowp float blur\n    #pragma mapbox: initialize lowp float opacity\n\n    // unencode the extrusion vector that we snuck into the a_pos vector\n    v_extrude = vec2(mod(a_pos, 2.0) * 2.0 - 1.0);\n\n    vec2 extrude = v_extrude * radius * u_extrude_scale;\n    // multiply a_pos by 0.5, since we had it * 2 in order to sneak\n    // in extrusion data\n    gl_Position = u_matrix * vec4(floor(a_pos * 0.5), 0, 1);\n\n    if (u_scale_with_map) {\n        gl_Position.xy += extrude;\n    } else {\n        gl_Position.xy += extrude * gl_Position.w;\n    }\n\n    // This is a minimum blur distance that serves as a faux-antialiasing for\n    // the circle. since blur is a ratio of the circle's size and the intent is\n    // to keep the blur at roughly 1px, the two are inversely related.\n    v_antialiasblur = 1.0 / u_devicepixelratio / radius;\n}\n"},line:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform lowp vec4 u_color;\nuniform lowp float u_opacity;\nuniform float u_blur;\n\nvarying vec2 v_linewidth;\nvarying vec2 v_normal;\nvarying float v_gamma_scale;\n\nvoid main() {\n    // Calculate the distance of the pixel from the line in pixels.\n    float dist = length(v_normal) * v_linewidth.s;\n\n    // Calculate the antialiasing fade factor. This is either when fading in\n    // the line in case of an offset line (v_linewidth.t) or when fading out\n    // (v_linewidth.s)\n    float blur = u_blur * v_gamma_scale;\n    float alpha = clamp(min(dist - (v_linewidth.t - blur), v_linewidth.s - dist) / blur, 0.0, 1.0);\n\n    gl_FragColor = u_color * (alpha * u_opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\n// floor(127 / 2) == 63.0\n// the maximum allowed miter limit is 2.0 at the moment. the extrude normal is\n// stored in a byte (-128..127). we scale regular normals up to length 63, but\n// there are also \"special\" normals that have a bigger length (of up to 126 in\n// this case).\n// #define scale 63.0\n#define scale 0.015873016\n\nattribute vec2 a_pos;\nattribute vec4 a_data;\n\nuniform mat4 u_matrix;\nuniform mediump float u_ratio;\nuniform mediump float u_linewidth;\nuniform mediump float u_gapwidth;\nuniform mediump float u_antialiasing;\nuniform mediump float u_extra;\nuniform mat2 u_antialiasingmatrix;\nuniform mediump float u_offset;\nuniform mediump float u_blur;\n\nvarying vec2 v_normal;\nvarying vec2 v_linewidth;\nvarying float v_gamma_scale;\n\nvoid main() {\n    vec2 a_extrude = a_data.xy - 128.0;\n    float a_direction = mod(a_data.z, 4.0) - 1.0;\n\n    // We store the texture normals in the most insignificant bit\n    // transform y so that 0 => -1 and 1 => 1\n    // In the texture normal, x is 0 if the normal points straight up/down and 1 if it's a round cap\n    // y is 1 if the normal points up, and -1 if it points down\n    mediump vec2 normal = mod(a_pos, 2.0);\n    normal.y = sign(normal.y - 0.5);\n    v_normal = normal;\n\n    float inset = u_gapwidth + (u_gapwidth > 0.0 ? u_antialiasing : 0.0);\n    float outset = u_gapwidth + u_linewidth * (u_gapwidth > 0.0 ? 2.0 : 1.0) + u_antialiasing;\n\n    // Scale the extrusion vector down to a normal and then up by the line width\n    // of this vertex.\n    mediump vec2 dist = outset * a_extrude * scale;\n\n    // Calculate the offset when drawing a line that is to the side of the actual line.\n    // We do this by creating a vector that points towards the extrude, but rotate\n    // it when we're drawing round end points (a_direction = -1 or 1) since their\n    // extrude vector points in another direction.\n    mediump float u = 0.5 * a_direction;\n    mediump float t = 1.0 - abs(u);\n    mediump vec2 offset = u_offset * a_extrude * scale * normal.y * mat2(t, -u, u, t);\n\n    // Remove the texture normal bit of the position before scaling it with the\n    // model/view matrix.\n    gl_Position = u_matrix * vec4(floor(a_pos * 0.5) + (offset + dist) / u_ratio, 0.0, 1.0);\n\n    // position of y on the screen\n    float y = gl_Position.y / gl_Position.w;\n\n    // how much features are squished in the y direction by the tilt\n    float squish_scale = length(a_extrude) / length(u_antialiasingmatrix * a_extrude);\n\n    // how much features are squished in all directions by the perspectiveness\n    float perspective_scale = 1.0 / (1.0 - min(y * u_extra, 0.9));\n\n    v_linewidth = vec2(outset, inset);\n    v_gamma_scale = perspective_scale * squish_scale;\n}\n"},linepattern:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform float u_blur;\n\nuniform vec2 u_pattern_size_a;\nuniform vec2 u_pattern_size_b;\nuniform vec2 u_pattern_tl_a;\nuniform vec2 u_pattern_br_a;\nuniform vec2 u_pattern_tl_b;\nuniform vec2 u_pattern_br_b;\nuniform float u_fade;\nuniform float u_opacity;\n\nuniform sampler2D u_image;\n\nvarying vec2 v_normal;\nvarying vec2 v_linewidth;\nvarying float v_linesofar;\nvarying float v_gamma_scale;\n\nvoid main() {\n    // Calculate the distance of the pixel from the line in pixels.\n    float dist = length(v_normal) * v_linewidth.s;\n\n    // Calculate the antialiasing fade factor. This is either when fading in\n    // the line in case of an offset line (v_linewidth.t) or when fading out\n    // (v_linewidth.s)\n    float blur = u_blur * v_gamma_scale;\n    float alpha = clamp(min(dist - (v_linewidth.t - blur), v_linewidth.s - dist) / blur, 0.0, 1.0);\n\n    float x_a = mod(v_linesofar / u_pattern_size_a.x, 1.0);\n    float x_b = mod(v_linesofar / u_pattern_size_b.x, 1.0);\n    float y_a = 0.5 + (v_normal.y * v_linewidth.s / u_pattern_size_a.y);\n    float y_b = 0.5 + (v_normal.y * v_linewidth.s / u_pattern_size_b.y);\n    vec2 pos_a = mix(u_pattern_tl_a, u_pattern_br_a, vec2(x_a, y_a));\n    vec2 pos_b = mix(u_pattern_tl_b, u_pattern_br_b, vec2(x_b, y_b));\n\n    vec4 color = mix(texture2D(u_image, pos_a), texture2D(u_image, pos_b), u_fade);\n\n    alpha *= u_opacity;\n\n    gl_FragColor = color * alpha;\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\n// floor(127 / 2) == 63.0\n// the maximum allowed miter limit is 2.0 at the moment. the extrude normal is\n// stored in a byte (-128..127). we scale regular normals up to length 63, but\n// there are also \"special\" normals that have a bigger length (of up to 126 in\n// this case).\n// #define scale 63.0\n#define scale 0.015873016\n\n// We scale the distance before adding it to the buffers so that we can store\n// long distances for long segments. Use this value to unscale the distance.\n#define LINE_DISTANCE_SCALE 2.0\n\nattribute vec2 a_pos;\nattribute vec4 a_data;\n\nuniform mat4 u_matrix;\nuniform mediump float u_ratio;\nuniform mediump float u_linewidth;\nuniform mediump float u_gapwidth;\nuniform mediump float u_antialiasing;\nuniform mediump float u_extra;\nuniform mat2 u_antialiasingmatrix;\nuniform mediump float u_offset;\n\nvarying vec2 v_normal;\nvarying vec2 v_linewidth;\nvarying float v_linesofar;\nvarying float v_gamma_scale;\n\nvoid main() {\n    vec2 a_extrude = a_data.xy - 128.0;\n    float a_direction = mod(a_data.z, 4.0) - 1.0;\n    float a_linesofar = (floor(a_data.z / 4.0) + a_data.w * 64.0) * LINE_DISTANCE_SCALE;\n\n    // We store the texture normals in the most insignificant bit\n    // transform y so that 0 => -1 and 1 => 1\n    // In the texture normal, x is 0 if the normal points straight up/down and 1 if it's a round cap\n    // y is 1 if the normal points up, and -1 if it points down\n    mediump vec2 normal = mod(a_pos, 2.0);\n    normal.y = sign(normal.y - 0.5);\n    v_normal = normal;\n\n    float inset = u_gapwidth + (u_gapwidth > 0.0 ? u_antialiasing : 0.0);\n    float outset = u_gapwidth + u_linewidth * (u_gapwidth > 0.0 ? 2.0 : 1.0) + u_antialiasing;\n\n    // Scale the extrusion vector down to a normal and then up by the line width\n    // of this vertex.\n    mediump vec2 dist = outset * a_extrude * scale;\n\n    // Calculate the offset when drawing a line that is to the side of the actual line.\n    // We do this by creating a vector that points towards the extrude, but rotate\n    // it when we're drawing round end points (a_direction = -1 or 1) since their\n    // extrude vector points in another direction.\n    mediump float u = 0.5 * a_direction;\n    mediump float t = 1.0 - abs(u);\n    mediump vec2 offset = u_offset * a_extrude * scale * normal.y * mat2(t, -u, u, t);\n\n    // Remove the texture normal bit of the position before scaling it with the\n    // model/view matrix.\n    gl_Position = u_matrix * vec4(floor(a_pos * 0.5) + (offset + dist) / u_ratio, 0.0, 1.0);\n    v_linesofar = a_linesofar;\n\n    // position of y on the screen\n    float y = gl_Position.y / gl_Position.w;\n\n    // how much features are squished in the y direction by the tilt\n    float squish_scale = length(a_extrude) / length(u_antialiasingmatrix * a_extrude);\n\n    // how much features are squished in all directions by the perspectiveness\n    float perspective_scale = 1.0 / (1.0 - min(y * u_extra, 0.9));\n\n    v_linewidth = vec2(outset, inset);\n    v_gamma_scale = perspective_scale * squish_scale;\n}\n"},linesdfpattern:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform lowp vec4 u_color;\nuniform lowp float u_opacity;\n\nuniform float u_blur;\nuniform sampler2D u_image;\nuniform float u_sdfgamma;\nuniform float u_mix;\n\nvarying vec2 v_normal;\nvarying vec2 v_linewidth;\nvarying vec2 v_tex_a;\nvarying vec2 v_tex_b;\nvarying float v_gamma_scale;\n\nvoid main() {\n    // Calculate the distance of the pixel from the line in pixels.\n    float dist = length(v_normal) * v_linewidth.s;\n\n    // Calculate the antialiasing fade factor. This is either when fading in\n    // the line in case of an offset line (v_linewidth.t) or when fading out\n    // (v_linewidth.s)\n    float blur = u_blur * v_gamma_scale;\n    float alpha = clamp(min(dist - (v_linewidth.t - blur), v_linewidth.s - dist) / blur, 0.0, 1.0);\n\n    float sdfdist_a = texture2D(u_image, v_tex_a).a;\n    float sdfdist_b = texture2D(u_image, v_tex_b).a;\n    float sdfdist = mix(sdfdist_a, sdfdist_b, u_mix);\n    alpha *= smoothstep(0.5 - u_sdfgamma, 0.5 + u_sdfgamma, sdfdist);\n\n    gl_FragColor = u_color * (alpha * u_opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\n// floor(127 / 2) == 63.0\n// the maximum allowed miter limit is 2.0 at the moment. the extrude normal is\n// stored in a byte (-128..127). we scale regular normals up to length 63, but\n// there are also \"special\" normals that have a bigger length (of up to 126 in\n// this case).\n// #define scale 63.0\n#define scale 0.015873016\n\n// We scale the distance before adding it to the buffers so that we can store\n// long distances for long segments. Use this value to unscale the distance.\n#define LINE_DISTANCE_SCALE 2.0\n\nattribute vec2 a_pos;\nattribute vec4 a_data;\n\nuniform mat4 u_matrix;\nuniform mediump float u_ratio;\nuniform mediump float u_linewidth;\nuniform mediump float u_gapwidth;\nuniform mediump float u_antialiasing;\nuniform vec2 u_patternscale_a;\nuniform float u_tex_y_a;\nuniform vec2 u_patternscale_b;\nuniform float u_tex_y_b;\nuniform float u_extra;\nuniform mat2 u_antialiasingmatrix;\nuniform mediump float u_offset;\n\nvarying vec2 v_normal;\nvarying vec2 v_linewidth;\nvarying vec2 v_tex_a;\nvarying vec2 v_tex_b;\nvarying float v_gamma_scale;\n\nvoid main() {\n    vec2 a_extrude = a_data.xy - 128.0;\n    float a_direction = mod(a_data.z, 4.0) - 1.0;\n    float a_linesofar = (floor(a_data.z / 4.0) + a_data.w * 64.0) * LINE_DISTANCE_SCALE;\n\n    // We store the texture normals in the most insignificant bit\n    // transform y so that 0 => -1 and 1 => 1\n    // In the texture normal, x is 0 if the normal points straight up/down and 1 if it's a round cap\n    // y is 1 if the normal points up, and -1 if it points down\n    mediump vec2 normal = mod(a_pos, 2.0);\n    normal.y = sign(normal.y - 0.5);\n    v_normal = normal;\n\n    float inset = u_gapwidth + (u_gapwidth > 0.0 ? u_antialiasing : 0.0);\n    float outset = u_gapwidth + u_linewidth * (u_gapwidth > 0.0 ? 2.0 : 1.0) + u_antialiasing;\n\n    // Scale the extrusion vector down to a normal and then up by the line width\n    // of this vertex.\n    mediump vec2 dist = outset * a_extrude * scale;\n\n    // Calculate the offset when drawing a line that is to the side of the actual line.\n    // We do this by creating a vector that points towards the extrude, but rotate\n    // it when we're drawing round end points (a_direction = -1 or 1) since their\n    // extrude vector points in another direction.\n    mediump float u = 0.5 * a_direction;\n    mediump float t = 1.0 - abs(u);\n    mediump vec2 offset = u_offset * a_extrude * scale * normal.y * mat2(t, -u, u, t);\n\n    // Remove the texture normal bit of the position before scaling it with the\n    // model/view matrix.\n    gl_Position = u_matrix * vec4(floor(a_pos * 0.5) + (offset + dist) / u_ratio, 0.0, 1.0);\n\n    v_tex_a = vec2(a_linesofar * u_patternscale_a.x, normal.y * u_patternscale_a.y + u_tex_y_a);\n    v_tex_b = vec2(a_linesofar * u_patternscale_b.x, normal.y * u_patternscale_b.y + u_tex_y_b);\n\n    // position of y on the screen\n    float y = gl_Position.y / gl_Position.w;\n\n    // how much features are squished in the y direction by the tilt\n    float squish_scale = length(a_extrude) / length(u_antialiasingmatrix * a_extrude);\n\n    // how much features are squished in all directions by the perspectiveness\n    float perspective_scale = 1.0 / (1.0 - min(y * u_extra, 0.9));\n\n    v_linewidth = vec2(outset, inset);\n    v_gamma_scale = perspective_scale * squish_scale;\n}\n"},outline:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\n#pragma mapbox: define lowp vec4 outline_color\n#pragma mapbox: define lowp float opacity\n\nvarying vec2 v_pos;\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 outline_color\n    #pragma mapbox: initialize lowp float opacity\n\n    float dist = length(v_pos - gl_FragCoord.xy);\n    float alpha = smoothstep(1.0, 0.0, dist);\n    gl_FragColor = outline_color * (alpha * opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nattribute vec2 a_pos;\n\nuniform mat4 u_matrix;\nuniform vec2 u_world;\n\nvarying vec2 v_pos;\n\n#pragma mapbox: define lowp vec4 outline_color\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 outline_color\n    #pragma mapbox: initialize lowp float opacity\n\n    gl_Position = u_matrix * vec4(a_pos, 0, 1);\n    v_pos = (gl_Position.xy / gl_Position.w + 1.0) / 2.0 * u_world;\n}\n"},outlinepattern:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform float u_opacity;\nuniform vec2 u_pattern_tl_a;\nuniform vec2 u_pattern_br_a;\nuniform vec2 u_pattern_tl_b;\nuniform vec2 u_pattern_br_b;\nuniform float u_mix;\n\nuniform sampler2D u_image;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\nvarying vec2 v_pos;\n\nvoid main() {\n    vec2 imagecoord = mod(v_pos_a, 1.0);\n    vec2 pos = mix(u_pattern_tl_a, u_pattern_br_a, imagecoord);\n    vec4 color1 = texture2D(u_image, pos);\n\n    vec2 imagecoord_b = mod(v_pos_b, 1.0);\n    vec2 pos2 = mix(u_pattern_tl_b, u_pattern_br_b, imagecoord_b);\n    vec4 color2 = texture2D(u_image, pos2);\n\n    // find distance to outline for alpha interpolation\n\n    float dist = length(v_pos - gl_FragCoord.xy);\n    float alpha = smoothstep(1.0, 0.0, dist);\n    \n\n    gl_FragColor = mix(color1, color2, u_mix) * alpha * u_opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform vec2 u_pattern_size_a;\nuniform vec2 u_pattern_size_b;\nuniform vec2 u_pixel_coord_upper;\nuniform vec2 u_pixel_coord_lower;\nuniform float u_scale_a;\nuniform float u_scale_b;\nuniform float u_tile_units_to_pixels;\n\nattribute vec2 a_pos;\n\nuniform mat4 u_matrix;\nuniform vec2 u_world;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\nvarying vec2 v_pos;\n\nvoid main() {\n    gl_Position = u_matrix * vec4(a_pos, 0, 1);\n    vec2 scaled_size_a = u_scale_a * u_pattern_size_a;\n    vec2 scaled_size_b = u_scale_b * u_pattern_size_b;\n\n    // the correct offset needs to be calculated.\n    //\n    // The offset depends on how many pixels are between the world origin and\n    // the edge of the tile:\n    // vec2 offset = mod(pixel_coord, size)\n    //\n    // At high zoom levels there are a ton of pixels between the world origin\n    // and the edge of the tile. The glsl spec only guarantees 16 bits of\n    // precision for highp floats. We need more than that.\n    //\n    // The pixel_coord is passed in as two 16 bit values:\n    // pixel_coord_upper = floor(pixel_coord / 2^16)\n    // pixel_coord_lower = mod(pixel_coord, 2^16)\n    //\n    // The offset is calculated in a series of steps that should preserve this precision:\n    vec2 offset_a = mod(mod(mod(u_pixel_coord_upper, scaled_size_a) * 256.0, scaled_size_a) * 256.0 + u_pixel_coord_lower, scaled_size_a);\n    vec2 offset_b = mod(mod(mod(u_pixel_coord_upper, scaled_size_b) * 256.0, scaled_size_b) * 256.0 + u_pixel_coord_lower, scaled_size_b);\n\n    v_pos_a = (u_tile_units_to_pixels * a_pos + offset_a) / scaled_size_a;\n    v_pos_b = (u_tile_units_to_pixels * a_pos + offset_b) / scaled_size_b;\n\n    v_pos = (gl_Position.xy / gl_Position.w + 1.0) / 2.0 * u_world;\n}\n"},pattern:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform float u_opacity;\nuniform vec2 u_pattern_tl_a;\nuniform vec2 u_pattern_br_a;\nuniform vec2 u_pattern_tl_b;\nuniform vec2 u_pattern_br_b;\nuniform float u_mix;\n\nuniform sampler2D u_image;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\n\nvoid main() {\n\n    vec2 imagecoord = mod(v_pos_a, 1.0);\n    vec2 pos = mix(u_pattern_tl_a, u_pattern_br_a, imagecoord);\n    vec4 color1 = texture2D(u_image, pos);\n\n    vec2 imagecoord_b = mod(v_pos_b, 1.0);\n    vec2 pos2 = mix(u_pattern_tl_b, u_pattern_br_b, imagecoord_b);\n    vec4 color2 = texture2D(u_image, pos2);\n\n    gl_FragColor = mix(color1, color2, u_mix) * u_opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform mat4 u_matrix;\nuniform vec2 u_pattern_size_a;\nuniform vec2 u_pattern_size_b;\nuniform vec2 u_pixel_coord_upper;\nuniform vec2 u_pixel_coord_lower;\nuniform float u_scale_a;\nuniform float u_scale_b;\nuniform float u_tile_units_to_pixels;\n\nattribute vec2 a_pos;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\n\nvoid main() {\n    gl_Position = u_matrix * vec4(a_pos, 0, 1);\n    vec2 scaled_size_a = u_scale_a * u_pattern_size_a;\n    vec2 scaled_size_b = u_scale_b * u_pattern_size_b;\n\n    // the correct offset needs to be calculated.\n    //\n    // The offset depends on how many pixels are between the world origin and\n    // the edge of the tile:\n    // vec2 offset = mod(pixel_coord, size)\n    //\n    // At high zoom levels there are a ton of pixels between the world origin\n    // and the edge of the tile. The glsl spec only guarantees 16 bits of\n    // precision for highp floats. We need more than that.\n    //\n    // The pixel_coord is passed in as two 16 bit values:\n    // pixel_coord_upper = floor(pixel_coord / 2^16)\n    // pixel_coord_lower = mod(pixel_coord, 2^16)\n    //\n    // The offset is calculated in a series of steps that should preserve this precision:\n    vec2 offset_a = mod(mod(mod(u_pixel_coord_upper, scaled_size_a) * 256.0, scaled_size_a) * 256.0 + u_pixel_coord_lower, scaled_size_a);\n    vec2 offset_b = mod(mod(mod(u_pixel_coord_upper, scaled_size_b) * 256.0, scaled_size_b) * 256.0 + u_pixel_coord_lower, scaled_size_b);\n\n    v_pos_a = (u_tile_units_to_pixels * a_pos + offset_a) / scaled_size_a;\n    v_pos_b = (u_tile_units_to_pixels * a_pos + offset_b) / scaled_size_b;\n}\n"},raster:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform float u_opacity0;\nuniform float u_opacity1;\nuniform sampler2D u_image0;\nuniform sampler2D u_image1;\nvarying vec2 v_pos0;\nvarying vec2 v_pos1;\n\nuniform float u_brightness_low;\nuniform float u_brightness_high;\n\nuniform float u_saturation_factor;\nuniform float u_contrast_factor;\nuniform vec3 u_spin_weights;\n\nvoid main() {\n\n    // read and cross-fade colors from the main and parent tiles\n    vec4 color0 = texture2D(u_image0, v_pos0);\n    vec4 color1 = texture2D(u_image1, v_pos1);\n    vec4 color = color0 * u_opacity0 + color1 * u_opacity1;\n    vec3 rgb = color.rgb;\n\n    // spin\n    rgb = vec3(\n        dot(rgb, u_spin_weights.xyz),\n        dot(rgb, u_spin_weights.zxy),\n        dot(rgb, u_spin_weights.yzx));\n\n    // saturation\n    float average = (color.r + color.g + color.b) / 3.0;\n    rgb += (average - rgb) * u_saturation_factor;\n\n    // contrast\n    rgb = (rgb - 0.5) * u_contrast_factor + 0.5;\n\n    // brightness\n    vec3 u_high_vec = vec3(u_brightness_low, u_brightness_low, u_brightness_low);\n    vec3 u_low_vec = vec3(u_brightness_high, u_brightness_high, u_brightness_high);\n\n    gl_FragColor = vec4(mix(u_high_vec, u_low_vec, rgb), color.a);\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform mat4 u_matrix;\nuniform vec2 u_tl_parent;\nuniform float u_scale_parent;\nuniform float u_buffer_scale;\n\nattribute vec2 a_pos;\nattribute vec2 a_texture_pos;\n\nvarying vec2 v_pos0;\nvarying vec2 v_pos1;\n\nvoid main() {\n    gl_Position = u_matrix * vec4(a_pos, 0, 1);\n    v_pos0 = (((a_texture_pos / 32767.0) - 0.5) / u_buffer_scale ) + 0.5;\n    v_pos1 = (v_pos0 * u_scale_parent) + u_tl_parent;\n}\n"},icon:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform sampler2D u_texture;\nuniform sampler2D u_fadetexture;\nuniform lowp float u_opacity;\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\n\nvoid main() {\n    lowp float alpha = texture2D(u_fadetexture, v_fade_tex).a * u_opacity;\n    gl_FragColor = texture2D(u_texture, v_tex) * alpha;\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nattribute vec2 a_pos;\nattribute vec2 a_offset;\nattribute vec4 a_data1;\nattribute vec4 a_data2;\n\n\n// matrix is for the vertex position.\nuniform mat4 u_matrix;\n\nuniform mediump float u_zoom;\nuniform bool u_rotate_with_map;\nuniform vec2 u_extrude_scale;\n\nuniform vec2 u_texsize;\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\n\nvoid main() {\n    vec2 a_tex = a_data1.xy;\n    mediump float a_labelminzoom = a_data1[2];\n    mediump vec2 a_zoom = a_data2.st;\n    mediump float a_minzoom = a_zoom[0];\n    mediump float a_maxzoom = a_zoom[1];\n\n    // u_zoom is the current zoom level adjusted for the change in font size\n    mediump float z = 2.0 - step(a_minzoom, u_zoom) - (1.0 - step(a_maxzoom, u_zoom));\n\n    vec2 extrude = u_extrude_scale * (a_offset / 64.0);\n    if (u_rotate_with_map) {\n        gl_Position = u_matrix * vec4(a_pos + extrude, 0, 1);\n        gl_Position.z += z * gl_Position.w;\n    } else {\n        gl_Position = u_matrix * vec4(a_pos, 0, 1) + vec4(extrude, 0, 0);\n    }\n\n    v_tex = a_tex / u_texsize;\n    v_fade_tex = vec2(a_labelminzoom / 255.0, 0.0);\n}\n"},sdf:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform sampler2D u_texture;\nuniform sampler2D u_fadetexture;\nuniform lowp vec4 u_color;\nuniform lowp float u_opacity;\nuniform lowp float u_buffer;\nuniform lowp float u_gamma;\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\nvarying float v_gamma_scale;\n\nvoid main() {\n    lowp float dist = texture2D(u_texture, v_tex).a;\n    lowp float fade_alpha = texture2D(u_fadetexture, v_fade_tex).a;\n    lowp float gamma = u_gamma * v_gamma_scale;\n    lowp float alpha = smoothstep(u_buffer - gamma, u_buffer + gamma, dist) * fade_alpha;\n\n    gl_FragColor = u_color * (alpha * u_opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nconst float PI = 3.141592653589793;\n\nattribute vec2 a_pos;\nattribute vec2 a_offset;\nattribute vec4 a_data1;\nattribute vec4 a_data2;\n\n\n// matrix is for the vertex position.\nuniform mat4 u_matrix;\n\nuniform mediump float u_zoom;\nuniform bool u_rotate_with_map;\nuniform bool u_pitch_with_map;\nuniform mediump float u_pitch;\nuniform mediump float u_bearing;\nuniform mediump float u_aspect_ratio;\nuniform vec2 u_extrude_scale;\n\nuniform vec2 u_texsize;\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\nvarying float v_gamma_scale;\n\nvoid main() {\n    vec2 a_tex = a_data1.xy;\n    mediump float a_labelminzoom = a_data1[2];\n    mediump vec2 a_zoom = a_data2.st;\n    mediump float a_minzoom = a_zoom[0];\n    mediump float a_maxzoom = a_zoom[1];\n\n    // u_zoom is the current zoom level adjusted for the change in font size\n    mediump float z = 2.0 - step(a_minzoom, u_zoom) - (1.0 - step(a_maxzoom, u_zoom));\n\n    // pitch-alignment: map\n    // rotation-alignment: map | viewport\n    if (u_pitch_with_map) {\n        lowp float angle = u_rotate_with_map ? (a_data1[3] / 256.0 * 2.0 * PI) : u_bearing;\n        lowp float asin = sin(angle);\n        lowp float acos = cos(angle);\n        mat2 RotationMatrix = mat2(acos, asin, -1.0 * asin, acos);\n        vec2 offset = RotationMatrix * a_offset;\n        vec2 extrude = u_extrude_scale * (offset / 64.0);\n        gl_Position = u_matrix * vec4(a_pos + extrude, 0, 1);\n        gl_Position.z += z * gl_Position.w;\n    // pitch-alignment: viewport\n    // rotation-alignment: map\n    } else if (u_rotate_with_map) {\n        // foreshortening factor to apply on pitched maps\n        // as a label goes from horizontal <=> vertical in angle\n        // it goes from 0% foreshortening to up to around 70% foreshortening\n        lowp float pitchfactor = 1.0 - cos(u_pitch * sin(u_pitch * 0.75));\n\n        lowp float lineangle = a_data1[3] / 256.0 * 2.0 * PI;\n\n        // use the lineangle to position points a,b along the line\n        // project the points and calculate the label angle in projected space\n        // this calculation allows labels to be rendered unskewed on pitched maps\n        vec4 a = u_matrix * vec4(a_pos, 0, 1);\n        vec4 b = u_matrix * vec4(a_pos + vec2(cos(lineangle),sin(lineangle)), 0, 1);\n        lowp float angle = atan((b[1]/b[3] - a[1]/a[3])/u_aspect_ratio, b[0]/b[3] - a[0]/a[3]);\n        lowp float asin = sin(angle);\n        lowp float acos = cos(angle);\n        mat2 RotationMatrix = mat2(acos, -1.0 * asin, asin, acos);\n\n        vec2 offset = RotationMatrix * (vec2((1.0-pitchfactor)+(pitchfactor*cos(angle*2.0)), 1.0) * a_offset);\n        vec2 extrude = u_extrude_scale * (offset / 64.0);\n        gl_Position = u_matrix * vec4(a_pos, 0, 1) + vec4(extrude, 0, 0);\n        gl_Position.z += z * gl_Position.w;\n    // pitch-alignment: viewport\n    // rotation-alignment: viewport\n    } else {\n        vec2 extrude = u_extrude_scale * (a_offset / 64.0);\n        gl_Position = u_matrix * vec4(a_pos, 0, 1) + vec4(extrude, 0, 0);\n    }\n\n    v_gamma_scale = (gl_Position.w - 0.5);\n\n    v_tex = a_tex / u_texsize;\n    v_fade_tex = vec2(a_labelminzoom / 255.0, 0.0);\n}\n"},collisionbox:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform float u_zoom;\nuniform float u_maxzoom;\n\nvarying float v_max_zoom;\nvarying float v_placement_zoom;\n\nvoid main() {\n\n    float alpha = 0.5;\n\n    gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0) * alpha;\n\n    if (v_placement_zoom > u_zoom) {\n        gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0) * alpha;\n    }\n\n    if (u_zoom >= v_max_zoom) {\n        gl_FragColor = vec4(0.0, 0.0, 0.0, 1.0) * alpha * 0.25;\n    }\n\n    if (v_placement_zoom >= u_maxzoom) {\n        gl_FragColor = vec4(0.0, 0.0, 1.0, 1.0) * alpha * 0.2;\n    }\n}\n",
-vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nattribute vec2 a_pos;\nattribute vec2 a_extrude;\nattribute vec2 a_data;\n\nuniform mat4 u_matrix;\nuniform float u_scale;\n\nvarying float v_max_zoom;\nvarying float v_placement_zoom;\n\nvoid main() {\n    gl_Position = u_matrix * vec4(a_pos + a_extrude / u_scale, 0.0, 1.0);\n\n    v_max_zoom = a_data.x;\n    v_placement_zoom = a_data.y;\n}\n"}},module.exports.util="float evaluate_zoom_function_1(const vec4 values, const float t) {\n    if (t < 1.0) {\n        return mix(values[0], values[1], t);\n    } else if (t < 2.0) {\n        return mix(values[1], values[2], t - 1.0);\n    } else {\n        return mix(values[2], values[3], t - 2.0);\n    }\n}\nvec4 evaluate_zoom_function_4(const vec4 value0, const vec4 value1, const vec4 value2, const vec4 value3, const float t) {\n    if (t < 1.0) {\n        return mix(value0, value1, t);\n    } else if (t < 2.0) {\n        return mix(value1, value2, t - 1.0);\n    } else {\n        return mix(value2, value3, t - 2.0);\n    }\n}\n";
-},{"path":111}],147:[function(require,module,exports){
-"use strict";function ValidationError(r,i){this.message=(r?r+": ":"")+format.apply(format,Array.prototype.slice.call(arguments,2)),null!==i&&void 0!==i&&i.__line__&&(this.line=i.__line__)}var format=require("util").format;module.exports=ValidationError;
-},{"util":120}],148:[function(require,module,exports){
-"use strict";module.exports=function(r){for(var t=1;t<arguments.length;t++){var e=arguments[t];for(var n in e)r[n]=e[n]}return r};
-},{}],149:[function(require,module,exports){
-"use strict";module.exports=function(n){return n instanceof Number?"number":n instanceof String?"string":n instanceof Boolean?"boolean":Array.isArray(n)?"array":null===n?"null":typeof n};
-},{}],150:[function(require,module,exports){
-"use strict";module.exports=function(n){return n instanceof Number||n instanceof String||n instanceof Boolean?n.valueOf():n};
-},{}],151:[function(require,module,exports){
-"use strict";var ValidationError=require("../error/validation_error"),getType=require("../util/get_type"),extend=require("../util/extend");module.exports=function(e){var r=require("./validate_function"),t=require("./validate_object"),a={"*":function(){return[]},array:require("./validate_array"),"boolean":require("./validate_boolean"),number:require("./validate_number"),color:require("./validate_color"),constants:require("./validate_constants"),"enum":require("./validate_enum"),filter:require("./validate_filter"),"function":require("./validate_function"),layer:require("./validate_layer"),object:require("./validate_object"),source:require("./validate_source"),string:require("./validate_string")},i=e.value,n=e.valueSpec,u=e.key,o=e.styleSpec,l=e.style;if("string"===getType(i)&&"@"===i[0]){if(o.$version>7)return[new ValidationError(u,i,"constants have been deprecated as of v8")];if(!(i in l.constants))return[new ValidationError(u,i,'constant "%s" not found',i)];e=extend({},e,{value:l.constants[i]})}return n["function"]&&"object"===getType(i)?r(e):n.type&&a[n.type]?a[n.type](e):t(extend({},e,{valueSpec:n.type?o[n.type]:n}))};
-},{"../error/validation_error":147,"../util/extend":148,"../util/get_type":149,"./validate_array":152,"./validate_boolean":153,"./validate_color":154,"./validate_constants":155,"./validate_enum":156,"./validate_filter":157,"./validate_function":158,"./validate_layer":160,"./validate_number":162,"./validate_object":163,"./validate_source":165,"./validate_string":166}],152:[function(require,module,exports){
-"use strict";var getType=require("../util/get_type"),validate=require("./validate"),ValidationError=require("../error/validation_error");module.exports=function(e){var r=e.value,t=e.valueSpec,a=e.style,n=e.styleSpec,l=e.key,i=e.arrayElementValidator||validate;if("array"!==getType(r))return[new ValidationError(l,r,"array expected, %s found",getType(r))];if(t.length&&r.length!==t.length)return[new ValidationError(l,r,"array length %d expected, length %d found",t.length,r.length)];if(t["min-length"]&&r.length<t["min-length"])return[new ValidationError(l,r,"array length at least %d expected, length %d found",t["min-length"],r.length)];var o={type:t.value};n.$version<7&&(o["function"]=t["function"]),"object"===getType(t.value)&&(o=t.value);for(var u=[],d=0;d<r.length;d++)u=u.concat(i({array:r,arrayIndex:d,value:r[d],valueSpec:o,style:a,styleSpec:n,key:l+"["+d+"]"}));return u};
-},{"../error/validation_error":147,"../util/get_type":149,"./validate":151}],153:[function(require,module,exports){
-"use strict";var getType=require("../util/get_type"),ValidationError=require("../error/validation_error");module.exports=function(e){var r=e.value,o=e.key,t=getType(r);return"boolean"!==t?[new ValidationError(o,r,"boolean expected, %s found",t)]:[]};
-},{"../error/validation_error":147,"../util/get_type":149}],154:[function(require,module,exports){
-"use strict";var ValidationError=require("../error/validation_error"),getType=require("../util/get_type"),parseCSSColor=require("csscolorparser").parseCSSColor;module.exports=function(r){var e=r.key,o=r.value,t=getType(o);return"string"!==t?[new ValidationError(e,o,"color expected, %s found",t)]:null===parseCSSColor(o)?[new ValidationError(e,o,'color expected, "%s" found',o)]:[]};
-},{"../error/validation_error":147,"../util/get_type":149,"csscolorparser":121}],155:[function(require,module,exports){
-"use strict";var ValidationError=require("../error/validation_error"),getType=require("../util/get_type");module.exports=function(r){var e=r.key,t=r.value,a=r.styleSpec;if(a.$version>7)return t?[new ValidationError(e,t,"constants have been deprecated as of v8")]:[];var o=getType(t);if("object"!==o)return[new ValidationError(e,t,"object expected, %s found",o)];var n=[];for(var i in t)"@"!==i[0]&&n.push(new ValidationError(e+"."+i,t[i],'constants must start with "@"'));return n};
-},{"../error/validation_error":147,"../util/get_type":149}],156:[function(require,module,exports){
-"use strict";var ValidationError=require("../error/validation_error"),unbundle=require("../util/unbundle_jsonlint");module.exports=function(e){var r=e.key,n=e.value,u=e.valueSpec,o=[];return-1===u.values.indexOf(unbundle(n))&&o.push(new ValidationError(r,n,"expected one of [%s], %s found",u.values.join(", "),n)),o};
-},{"../error/validation_error":147,"../util/unbundle_jsonlint":150}],157:[function(require,module,exports){
-"use strict";var ValidationError=require("../error/validation_error"),validateEnum=require("./validate_enum"),getType=require("../util/get_type"),unbundle=require("../util/unbundle_jsonlint");module.exports=function e(t){var r,a=t.value,n=t.key,l=t.styleSpec,s=[];if("array"!==getType(a))return[new ValidationError(n,a,"array expected, %s found",getType(a))];if(a.length<1)return[new ValidationError(n,a,"filter array must have at least 1 element")];switch(s=s.concat(validateEnum({key:n+"[0]",value:a[0],valueSpec:l.filter_operator,style:t.style,styleSpec:t.styleSpec})),unbundle(a[0])){case"<":case"<=":case">":case">=":a.length>=2&&"$type"==a[1]&&s.push(new ValidationError(n,a,'"$type" cannot be use with operator "%s"',a[0]));case"==":case"!=":3!=a.length&&s.push(new ValidationError(n,a,'filter array for operator "%s" must have 3 elements',a[0]));case"in":case"!in":a.length>=2&&(r=getType(a[1]),"string"!==r?s.push(new ValidationError(n+"[1]",a[1],"string expected, %s found",r)):"@"===a[1][0]&&s.push(new ValidationError(n+"[1]",a[1],"filter key cannot be a constant")));for(var o=2;o<a.length;o++)r=getType(a[o]),"$type"==a[1]?s=s.concat(validateEnum({key:n+"["+o+"]",value:a[o],valueSpec:l.geometry_type,style:t.style,styleSpec:t.styleSpec})):"string"===r&&"@"===a[o][0]?s.push(new ValidationError(n+"["+o+"]",a[o],"filter value cannot be a constant")):"string"!==r&&"number"!==r&&"boolean"!==r&&s.push(new ValidationError(n+"["+o+"]",a[o],"string, number, or boolean expected, %s found",r));break;case"any":case"all":case"none":for(o=1;o<a.length;o++)s=s.concat(e({key:n+"["+o+"]",value:a[o],style:t.style,styleSpec:t.styleSpec}));break;case"has":case"!has":r=getType(a[1]),2!==a.length?s.push(new ValidationError(n,a,'filter array for "%s" operator must have 2 elements',a[0])):"string"!==r?s.push(new ValidationError(n+"[1]",a[1],"string expected, %s found",r)):"@"===a[1][0]&&s.push(new ValidationError(n+"[1]",a[1],"filter key cannot be a constant"))}return s};
-},{"../error/validation_error":147,"../util/get_type":149,"../util/unbundle_jsonlint":150,"./validate_enum":156}],158:[function(require,module,exports){
-"use strict";var ValidationError=require("../error/validation_error"),getType=require("../util/get_type"),validate=require("./validate"),validateObject=require("./validate_object"),validateArray=require("./validate_array"),validateNumber=require("./validate_number");module.exports=function(e){function t(e){var t=[],a=e.value;return t=t.concat(validateArray({key:e.key,value:a,valueSpec:e.valueSpec,style:e.style,styleSpec:e.styleSpec,arrayElementValidator:r})),"array"===getType(a)&&0===a.length&&t.push(new ValidationError(e.key,a,"array must have at least one stop")),t}function r(e){var t=[],r=e.value,n=e.key;if("array"!==getType(r))return[new ValidationError(n,r,"array expected, %s found",getType(r))];if(2!==r.length)return[new ValidationError(n,r,"array length %d expected, length %d found",2,r.length)];var u=getType(r[0]);if(o||(o=u),u!==o)return[new ValidationError(n,r,"%s stop key type must match previous stop key type %s",u,o)];if("object"===u){if(void 0===r[0].zoom)return[new ValidationError(n,r,"object stop key must have zoom")];if(void 0===r[0].value)return[new ValidationError(n,r,"object stop key must have value")];t=t.concat(validateObject({key:n+"[0]",value:r[0],valueSpec:{zoom:{}},style:e.style,styleSpec:e.styleSpec,objectElementValidators:{zoom:validateNumber,value:a}}))}else t=t.concat((i?validateNumber:a)({key:n+"[0]",value:r[0],valueSpec:{},style:e.style,styleSpec:e.styleSpec}));return t=t.concat(validate({key:n+"[1]",value:r[1],valueSpec:l,style:e.style,styleSpec:e.styleSpec})),"number"===getType(r[0])&&("piecewise-constant"===l["function"]&&r[0]%1!==0&&t.push(new ValidationError(n+"[0]",r[0],"zoom level for piecewise-constant functions must be an integer")),0!==e.arrayIndex&&r[0]<e.array[e.arrayIndex-1][0]&&t.push(new ValidationError(n+"[0]",r[0],"array stops must appear in ascending order"))),t}function a(e){var t=[],r=getType(e.value);return"number"!==r&&"string"!==r&&"array"!==r&&t.push(new ValidationError(e.key,e.value,"property value must be a number, string or array")),t}var o,l=e.valueSpec,n=void 0!==e.value.property||"object"===o,i=void 0===e.value.property||"object"===o,u=validateObject({key:e.key,value:e.value,valueSpec:e.styleSpec["function"],style:e.style,styleSpec:e.styleSpec,objectElementValidators:{stops:t}});return e.styleSpec.$version>=8&&(n&&!e.valueSpec["property-function"]?u.push(new ValidationError(e.key,e.value,"property functions not supported")):i&&!e.valueSpec["zoom-function"]&&u.push(new ValidationError(e.key,e.value,"zoom functions not supported"))),u};
-},{"../error/validation_error":147,"../util/get_type":149,"./validate":151,"./validate_array":152,"./validate_number":162,"./validate_object":163}],159:[function(require,module,exports){
-"use strict";var ValidationError=require("../error/validation_error"),validateString=require("./validate_string");module.exports=function(r){var e=r.value,t=r.key,a=validateString(r);return a.length?a:(-1===e.indexOf("{fontstack}")&&a.push(new ValidationError(t,e,'"glyphs" url must include a "{fontstack}" token')),-1===e.indexOf("{range}")&&a.push(new ValidationError(t,e,'"glyphs" url must include a "{range}" token')),a)};
-},{"../error/validation_error":147,"./validate_string":166}],160:[function(require,module,exports){
-"use strict";var ValidationError=require("../error/validation_error"),unbundle=require("../util/unbundle_jsonlint"),validateObject=require("./validate_object"),validateFilter=require("./validate_filter"),validatePaintProperty=require("./validate_paint_property"),validateLayoutProperty=require("./validate_layout_property"),extend=require("../util/extend");module.exports=function(e){var r=[],t=e.value,a=e.key,i=e.style,l=e.styleSpec;t.type||t.ref||r.push(new ValidationError(a,t,'either "type" or "ref" is required'));var o=unbundle(t.type),u=unbundle(t.ref);if(t.id)for(var n=0;n<e.arrayIndex;n++){var s=i.layers[n];unbundle(s.id)===unbundle(t.id)&&r.push(new ValidationError(a,t.id,'duplicate layer id "%s", previously used at line %d',t.id,s.id.__line__))}if("ref"in t){["type","source","source-layer","filter","layout"].forEach(function(e){e in t&&r.push(new ValidationError(a,t[e],'"%s" is prohibited for ref layers',e))});var d;i.layers.forEach(function(e){e.id==u&&(d=e)}),d?d.ref?r.push(new ValidationError(a,t.ref,"ref cannot reference another ref layer")):o=unbundle(d.type):r.push(new ValidationError(a,t.ref,'ref layer "%s" not found',u))}else if("background"!==o)if(t.source){var y=i.sources&&i.sources[t.source];y?"vector"==y.type&&"raster"==o?r.push(new ValidationError(a,t.source,'layer "%s" requires a raster source',t.id)):"raster"==y.type&&"raster"!=o?r.push(new ValidationError(a,t.source,'layer "%s" requires a vector source',t.id)):"vector"!=y.type||t["source-layer"]||r.push(new ValidationError(a,t,'layer "%s" must specify a "source-layer"',t.id)):r.push(new ValidationError(a,t.source,'source "%s" not found',t.source))}else r.push(new ValidationError(a,t,'missing required property "source"'));return r=r.concat(validateObject({key:a,value:t,valueSpec:l.layer,style:e.style,styleSpec:e.styleSpec,objectElementValidators:{filter:validateFilter,layout:function(e){return validateObject({layer:t,key:e.key,value:e.value,style:e.style,styleSpec:e.styleSpec,objectElementValidators:{"*":function(e){return validateLayoutProperty(extend({layerType:o},e))}}})},paint:function(e){return validateObject({layer:t,key:e.key,value:e.value,style:e.style,styleSpec:e.styleSpec,objectElementValidators:{"*":function(e){return validatePaintProperty(extend({layerType:o},e))}}})}}}))};
-},{"../error/validation_error":147,"../util/extend":148,"../util/unbundle_jsonlint":150,"./validate_filter":157,"./validate_layout_property":161,"./validate_object":163,"./validate_paint_property":164}],161:[function(require,module,exports){
-"use strict";var validate=require("./validate"),ValidationError=require("../error/validation_error");module.exports=function(e){var r=e.key,a=e.style,t=e.styleSpec,i=e.value,l=e.objectKey,o=t["layout_"+e.layerType];if(e.valueSpec||o[l]){var s=[];return"symbol"===e.layerType&&("icon-image"===l&&a&&!a.sprite?s.push(new ValidationError(r,i,'use of "icon-image" requires a style "sprite" property')):"text-field"===l&&a&&!a.glyphs&&s.push(new ValidationError(r,i,'use of "text-field" requires a style "glyphs" property'))),s.concat(validate({key:e.key,value:i,valueSpec:e.valueSpec||o[l],style:a,styleSpec:t}))}return[new ValidationError(r,i,'unknown property "%s"',l)]};
-},{"../error/validation_error":147,"./validate":151}],162:[function(require,module,exports){
-"use strict";var getType=require("../util/get_type"),ValidationError=require("../error/validation_error");module.exports=function(e){var r=e.key,i=e.value,m=e.valueSpec,a=getType(i);return"number"!==a?[new ValidationError(r,i,"number expected, %s found",a)]:"minimum"in m&&i<m.minimum?[new ValidationError(r,i,"%s is less than the minimum value %s",i,m.minimum)]:"maximum"in m&&i>m.maximum?[new ValidationError(r,i,"%s is greater than the maximum value %s",i,m.maximum)]:[]};
-},{"../error/validation_error":147,"../util/get_type":149}],163:[function(require,module,exports){
-"use strict";var ValidationError=require("../error/validation_error"),getType=require("../util/get_type"),validate=require("./validate");module.exports=function(e){var r=e.key,t=e.value,i=e.valueSpec,o=e.objectElementValidators||{},a=e.style,l=e.styleSpec,n=[],u=getType(t);if("object"!==u)return[new ValidationError(r,t,"object expected, %s found",u)];for(var d in t){var p=d.split(".")[0],s=i&&(i[p]||i["*"]),c=o[p]||o["*"];s||c?n=n.concat((c||validate)({key:(r?r+".":r)+d,value:t[d],valueSpec:s,style:a,styleSpec:l,object:t,objectKey:d})):""!==r&&1!==r.split(".").length&&n.push(new ValidationError(r,t[d],'unknown property "%s"',d))}for(p in i)i[p].required&&void 0===i[p]["default"]&&void 0===t[p]&&n.push(new ValidationError(r,t,'missing required property "%s"',p));return n};
-},{"../error/validation_error":147,"../util/get_type":149,"./validate":151}],164:[function(require,module,exports){
-"use strict";var validate=require("./validate"),ValidationError=require("../error/validation_error");module.exports=function(e){var a=e.key,r=e.style,t=e.styleSpec,l=e.value,i=e.objectKey,n=t["paint_"+e.layerType],o=i.match(/^(.*)-transition$/);return o&&n[o[1]]&&n[o[1]].transition?validate({key:a,value:l,valueSpec:t.transition,style:r,styleSpec:t}):e.valueSpec||n[i]?validate({key:e.key,value:l,valueSpec:e.valueSpec||n[i],style:r,styleSpec:t}):[new ValidationError(a,l,'unknown property "%s"',i)]};
-},{"../error/validation_error":147,"./validate":151}],165:[function(require,module,exports){
-"use strict";var ValidationError=require("../error/validation_error"),unbundle=require("../util/unbundle_jsonlint"),validateObject=require("./validate_object"),validateEnum=require("./validate_enum");module.exports=function(e){var r=e.value,t=e.key,a=e.styleSpec,l=e.style;if(!r.type)return[new ValidationError(t,r,'"type" is required')];var u=unbundle(r.type);switch(u){case"vector":case"raster":var i=[];if(i=i.concat(validateObject({key:t,value:r,valueSpec:a.source_tile,style:e.style,styleSpec:a})),"url"in r)for(var s in r)["type","url","tileSize"].indexOf(s)<0&&i.push(new ValidationError(t+"."+s,r[s],'a source with a "url" property may not include a "%s" property',s));return i;case"geojson":return validateObject({key:t,value:r,valueSpec:a.source_geojson,style:l,styleSpec:a});case"video":return validateObject({key:t,value:r,valueSpec:a.source_video,style:l,styleSpec:a});case"image":return validateObject({key:t,value:r,valueSpec:a.source_image,style:l,styleSpec:a});default:return validateEnum({key:t+".type",value:r.type,valueSpec:{values:["vector","raster","geojson","video","image"]},style:l,styleSpec:a})}};
-},{"../error/validation_error":147,"../util/unbundle_jsonlint":150,"./validate_enum":156,"./validate_object":163}],166:[function(require,module,exports){
-"use strict";var getType=require("../util/get_type"),ValidationError=require("../error/validation_error");module.exports=function(r){var e=r.value,t=r.key,i=getType(e);return"string"!==i?[new ValidationError(t,e,"string expected, %s found",i)]:[]};
-},{"../error/validation_error":147,"../util/get_type":149}],167:[function(require,module,exports){
-"use strict";function validateStyleMin(e,a){a=a||latestStyleSpec;var t=[];return t=t.concat(validate({key:"",value:e,valueSpec:a.$root,styleSpec:a,style:e,objectElementValidators:{glyphs:validateGlyphsURL}})),a.$version>7&&e.constants&&(t=t.concat(validateConstants({key:"constants",value:e.constants,style:e,styleSpec:a}))),sortErrors(t)}function sortErrors(e){return[].concat(e).sort(function(e,a){return e.line-a.line})}function wrapCleanErrors(e){return function(){return sortErrors(e.apply(this,arguments))}}var validateConstants=require("./validate/validate_constants"),validate=require("./validate/validate"),latestStyleSpec=require("../reference/latest.min"),validateGlyphsURL=require("./validate/validate_glyphs_url");validateStyleMin.source=wrapCleanErrors(require("./validate/validate_source")),validateStyleMin.layer=wrapCleanErrors(require("./validate/validate_layer")),validateStyleMin.filter=wrapCleanErrors(require("./validate/validate_filter")),validateStyleMin.paintProperty=wrapCleanErrors(require("./validate/validate_paint_property")),validateStyleMin.layoutProperty=wrapCleanErrors(require("./validate/validate_layout_property")),module.exports=validateStyleMin;
-},{"../reference/latest.min":169,"./validate/validate":151,"./validate/validate_constants":155,"./validate/validate_filter":157,"./validate/validate_glyphs_url":159,"./validate/validate_layer":160,"./validate/validate_layout_property":161,"./validate/validate_paint_property":164,"./validate/validate_source":165}],168:[function(require,module,exports){
-module.exports=require("./v8.json");
-},{"./v8.json":170}],169:[function(require,module,exports){
-module.exports=require("./v8.min.json");
-},{"./v8.min.json":171}],170:[function(require,module,exports){
-module.exports={"$version":8,"$root":{"version":{"required":true,"type":"enum","values":[8],"doc":"Style specification version number. Must be 8.","example":8},"name":{"type":"string","doc":"A human-readable name for the style.","example":"Bright"},"metadata":{"type":"*","doc":"Arbitrary properties useful to track with the stylesheet, but do not influence rendering. Properties should be prefixed to avoid collisions, like 'mapbox:'."},"center":{"type":"array","value":"number","doc":"Default map center in longitude and latitude.  The style center will be used only if the map has not been positioned by other means (e.g. map options or user interaction).","example":[-73.9749,40.7736]},"zoom":{"type":"number","doc":"Default zoom level.  The style zoom will be used only if the map has not been positioned by other means (e.g. map options or user interaction).","example":12.5},"bearing":{"type":"number","default":0,"period":360,"units":"degrees","doc":"Default bearing, in degrees.  The style bearing will be used only if the map has not been positioned by other means (e.g. map options or user interaction).","example":29},"pitch":{"type":"number","default":0,"units":"degrees","doc":"Default pitch, in degrees. Zero is perpendicular to the surface.  The style pitch will be used only if the map has not been positioned by other means (e.g. map options or user interaction).","example":50},"sources":{"required":true,"type":"sources","doc":"Data source specifications.","example":{"mapbox-streets":{"type":"vector","url":"mapbox://mapbox.mapbox-streets-v6"}}},"sprite":{"type":"string","doc":"A base URL for retrieving the sprite image and metadata. The extensions `.png`, `.json` and scale factor `@2x.png` will be automatically appended. This property is required if any layer uses the 'sprite-image' layout property.","example":"mapbox://sprites/mapbox/bright-v8"},"glyphs":{"type":"string","doc":"A URL template for loading signed-distance-field glyph sets in PBF format. The URL must include `{fontstack}` and `{range}` tokens. This property is required if any layer uses the 'text-field' layout property.","example":"mapbox://fonts/mapbox/{fontstack}/{range}.pbf"},"transition":{"type":"transition","doc":"A global transition definition to use as a default across properties.","example":{"duration":300,"delay":0}},"layers":{"required":true,"type":"array","value":"layer","doc":"Layers will be drawn in the order of this array.","example":[{"id":"water","source":"mapbox-streets","source-layer":"water","type":"fill","paint":{"fill-color":"#00ffff"}}]}},"sources":{"*":{"type":"source","doc":"Specification of a data source. For vector and raster sources, either TileJSON or a URL to a TileJSON must be provided. For GeoJSON and video sources, a URL must be provided."}},"source":["source_tile","source_geojson","source_video","source_image"],"source_tile":{"type":{"required":true,"type":"enum","values":["vector","raster"],"doc":"The data type of the tile source."},"url":{"type":"string","doc":"A URL to a TileJSON resource. Supported protocols are `http:`, `https:`, and `mapbox://<mapid>`."},"tiles":{"type":"array","value":"string","doc":"An array of one or more tile source URLs, as in the TileJSON spec."},"minzoom":{"type":"number","default":0,"doc":"Minimum zoom level for which tiles are available, as in the TileJSON spec."},"maxzoom":{"type":"number","default":22,"doc":"Maximum zoom level for which tiles are available, as in the TileJSON spec. Data from tiles at the maxzoom are used when displaying the map at higher zoom levels."},"tileSize":{"type":"number","default":512,"units":"pixels","doc":"The minimum visual size to display tiles for this layer. Only configurable for raster layers."},"*":{"type":"*","doc":"Other keys to configure the data source."}},"source_geojson":{"type":{"required":true,"type":"enum","values":["geojson"],"doc":"The data type of the GeoJSON source."},"data":{"type":"*","doc":"A URL to a GeoJSON file, or inline GeoJSON."},"maxzoom":{"type":"number","default":14,"doc":"Maximum zoom level at which to create vector tiles (higher means greater detail at high zoom levels)."},"buffer":{"type":"number","default":64,"doc":"Tile buffer size on each side (higher means fewer rendering artifacts near tile edges but slower performance)."},"tolerance":{"type":"number","default":3,"doc":"Douglas-Peucker simplification tolerance (higher means simpler geometries and faster performance)."},"cluster":{"type":"boolean","default":false,"doc":"If the data is a collection of point features, setting this to true clusters the points by radius into groups."},"clusterRadius":{"type":"number","default":400,"doc":"Radius of each cluster when clustering points, relative to 4096 tile."},"clusterMaxZoom":{"type":"number","doc":"Max zoom to cluster points on. Defaults to one zoom less than maxzoom (so that last zoom features are not clustered)."}},"source_video":{"type":{"required":true,"type":"enum","values":["video"],"doc":"The data type of the video source."},"urls":{"required":true,"type":"array","value":"string","doc":"URLs to video content in order of preferred format."},"coordinates":{"required":true,"doc":"Corners of video specified in longitude, latitude pairs.","type":"array","length":4,"value":{"type":"array","length":2,"value":"number","doc":"A single longitude, latitude pair."}}},"source_image":{"type":{"required":true,"type":"enum","values":["image"],"doc":"The data type of the image source."},"url":{"required":true,"type":"string","doc":"URL that points to an image"},"coordinates":{"required":true,"doc":"Corners of image specified in longitude, latitude pairs.","type":"array","length":4,"value":{"type":"array","length":2,"value":"number","doc":"A single longitude, latitude pair."}}},"layer":{"id":{"type":"string","doc":"Unique layer name.","required":true},"type":{"type":"enum","values":["fill","line","symbol","circle","raster","background"],"doc":"Rendering type of this layer."},"metadata":{"type":"*","doc":"Arbitrary properties useful to track with the layer, but do not influence rendering. Properties should be prefixed to avoid collisions, like 'mapbox:'."},"ref":{"type":"string","doc":"References another layer to copy `type`, `source`, `source-layer`, `minzoom`, `maxzoom`, `filter`, and `layout` properties from. This allows the layers to share processing and be more efficient."},"source":{"type":"string","doc":"Name of a source description to be used for this layer."},"source-layer":{"type":"string","doc":"Layer to use from a vector tile source. Required if the source supports multiple layers."},"minzoom":{"type":"number","minimum":0,"maximum":22,"doc":"The minimum zoom level on which the layer gets parsed and appears on."},"maxzoom":{"type":"number","minimum":0,"maximum":22,"doc":"The maximum zoom level on which the layer gets parsed and appears on."},"interactive":{"type":"boolean","doc":"Enable querying of feature data from this layer for interactivity.","default":false},"filter":{"type":"filter","doc":"A expression specifying conditions on source features. Only features that match the filter are displayed."},"layout":{"type":"layout","doc":"Layout properties for the layer."},"paint":{"type":"paint","doc":"Default paint properties for this layer."},"paint.*":{"type":"paint","doc":"Class-specific paint properties for this layer. The class name is the part after the first dot."}},"layout":["layout_fill","layout_line","layout_circle","layout_symbol","layout_raster","layout_background"],"layout_background":{"visibility":{"type":"enum","function":"piecewise-constant","zoom-function":true,"values":["visible","none"],"default":"visible","doc":"The display of this layer. `none` hides this layer.","sdk-support":{"basic":{"js":"0.10.0","ios":"2.0.0","android":"2.0.1"}}}},"layout_fill":{"visibility":{"type":"enum","function":"piecewise-constant","zoom-function":true,"values":["visible","none"],"default":"visible","doc":"The display of this layer. `none` hides this layer.","sdk-support":{"basic":{"js":"0.10.0","ios":"2.0.0","android":"2.0.1"}}}},"layout_circle":{"visibility":{"type":"enum","function":"piecewise-constant","zoom-function":true,"values":["visible","none"],"default":"visible","doc":"The display of this layer. `none` hides this layer.","sdk-support":{"basic":{"js":"0.10.0","ios":"2.0.0","android":"2.0.1"}}}},"layout_line":{"line-cap":{"type":"enum","function":"piecewise-constant","zoom-function":true,"property-function":true,"values":["butt","round","square"],"default":"butt","doc":"The display of line endings.","sdk-support":{"basic":{"js":"0.10.0","ios":"2.0.0","android":"2.0.1"}}},"line-join":{"type":"enum","function":"piecewise-constant","zoom-function":true,"property-function":true,"values":["bevel","round","miter"],"default":"miter","doc":"The display of lines when joining.","sdk-support":{"basic":{"js":"0.10.0","ios":"2.0.0","android":"2.0.1"}}},"line-miter-limit":{"type":"number","default":2,"function":"interpolated","zoom-function":true,"property-function":true,"doc":"Used to automatically convert miter joins to bevel joins for sharp angles.","requires":[{"line-join":"miter"}],"sdk-support":{"basic":{"js":"0.10.0","ios":"2.0.0","android":"2.0.1"}}},"line-round-limit":{"type":"number","default":1.05,"function":"interpolated","zoom-function":true,"property-function":true,"doc":"Used to automatically convert round joins to miter joins for shallow angles.","requires":[{"line-join":"round"}],"sdk-support":{"basic":{"js":"0.10.0","ios":"2.0.0","android":"2.0.1"}}},"visibility":{"type":"enum","function":"piecewise-constant","zoom-function":true,"values":["visible","none"],"default":"visible","doc":"The display of this layer. `none` hides this layer.","sdk-support":{"basic":{"js":"0.10.0","ios":"2.0.0","android":"2.0.1"}}}},"layout_symbol":{"symbol-placement":{"type":"enum","function":"piecewise-constant","zoom-function":true,"property-function":true,"values":["point","line"],"default":"point","doc":"Label placement relative to its geometry. `line` can only be used on LineStrings and Polygons.","sdk-support":{"basic":{"js":"0.10.0","ios":"2.0.0","android":"2.0.1"}}},"symbol-spacing":{"type":"number","default":250,"minimum":1,"function":"interpolated","zoom-function":true,"property-function":true,"units":"pixels","doc":"Distance between two symbol anchors.","requires":[{"symbol-placement":"line"}],"sdk-support":{"basic":{"js":"0.10.0","ios":"2.0.0","android":"2.0.1"}}},"symbol-avoid-edges":{"type":"boolean","function":"piecewise-constant","zoom-function":true,"property-function":true,"default":false,"doc":"If true, the symbols will not cross tile edges to avoid mutual collisions. 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-"use strict";function Buffer(t){var e;t&&t.length&&(e=t,t=e.length);var r=new Uint8Array(t||0);return e&&r.set(e),r.readUInt32LE=BufferMethods.readUInt32LE,r.writeUInt32LE=BufferMethods.writeUInt32LE,r.readInt32LE=BufferMethods.readInt32LE,r.writeInt32LE=BufferMethods.writeInt32LE,r.readFloatLE=BufferMethods.readFloatLE,r.writeFloatLE=BufferMethods.writeFloatLE,r.readDoubleLE=BufferMethods.readDoubleLE,r.writeDoubleLE=BufferMethods.writeDoubleLE,r.toString=BufferMethods.toString,r.write=BufferMethods.write,r.slice=BufferMethods.slice,r.copy=BufferMethods.copy,r._isBuffer=!0,r}function encodeString(t){for(var e,r,n=t.length,i=[],o=0;n>o;o++){if(e=t.charCodeAt(o),e>55295&&57344>e){if(!r){e>56319||o+1===n?i.push(239,191,189):r=e;continue}if(56320>e){i.push(239,191,189),r=e;continue}e=r-55296<<10|e-56320|65536,r=null}else r&&(i.push(239,191,189),r=null);128>e?i.push(e):2048>e?i.push(e>>6|192,63&e|128):65536>e?i.push(e>>12|224,e>>6&63|128,63&e|128):i.push(e>>18|240,e>>12&63|128,e>>6&63|128,63&e|128)}return i}module.exports=Buffer;var ieee754=require("ieee754"),BufferMethods,lastStr,lastStrEncoded;BufferMethods={readUInt32LE:function(t){return(this[t]|this[t+1]<<8|this[t+2]<<16)+16777216*this[t+3]},writeUInt32LE:function(t,e){this[e]=t,this[e+1]=t>>>8,this[e+2]=t>>>16,this[e+3]=t>>>24},readInt32LE:function(t){return(this[t]|this[t+1]<<8|this[t+2]<<16)+(this[t+3]<<24)},readFloatLE:function(t){return ieee754.read(this,t,!0,23,4)},readDoubleLE:function(t){return ieee754.read(this,t,!0,52,8)},writeFloatLE:function(t,e){return ieee754.write(this,t,e,!0,23,4)},writeDoubleLE:function(t,e){return ieee754.write(this,t,e,!0,52,8)},toString:function(t,e,r){var n="",i="";e=e||0,r=Math.min(this.length,r||this.length);for(var o=e;r>o;o++){var u=this[o];127>=u?(n+=decodeURIComponent(i)+String.fromCharCode(u),i=""):i+="%"+u.toString(16)}return n+=decodeURIComponent(i)},write:function(t,e){for(var r=t===lastStr?lastStrEncoded:encodeString(t),n=0;n<r.length;n++)this[e+n]=r[n]},slice:function(t,e){return this.subarray(t,e)},copy:function(t,e){e=e||0;for(var r=0;r<this.length;r++)t[e+r]=this[r]}},BufferMethods.writeInt32LE=BufferMethods.writeUInt32LE,Buffer.byteLength=function(t){return lastStr=t,lastStrEncoded=encodeString(t),lastStrEncoded.length},Buffer.isBuffer=function(t){return!(!t||!t._isBuffer)};
-},{"ieee754":175}],174:[function(require,module,exports){
-(function (global){
-"use strict";function Pbf(t){this.buf=Buffer.isBuffer(t)?t:new Buffer(t||0),this.pos=0,this.length=this.buf.length}function readVarintRemainder(t,i){var e,r=i.buf;if(e=r[i.pos++],t+=268435456*(127&e),128>e)return t;if(e=r[i.pos++],t+=34359738368*(127&e),128>e)return t;if(e=r[i.pos++],t+=4398046511104*(127&e),128>e)return t;if(e=r[i.pos++],t+=562949953421312*(127&e),128>e)return t;if(e=r[i.pos++],t+=72057594037927940*(127&e),128>e)return t;if(e=r[i.pos++],t+=0x8000000000000000*(127&e),128>e)return t;throw new Error("Expected varint not more than 10 bytes")}function writeBigVarint(t,i){i.realloc(10);for(var e=i.pos+10;t>=1;){if(i.pos>=e)throw new Error("Given varint doesn't fit into 10 bytes");var r=255&t;i.buf[i.pos++]=r|(t>=128?128:0),t/=128}}function reallocForRawMessage(t,i,e){var r=16383>=i?1:2097151>=i?2:268435455>=i?3:Math.ceil(Math.log(i)/(7*Math.LN2));e.realloc(r);for(var s=e.pos-1;s>=t;s--)e.buf[s+r]=e.buf[s]}function writePackedVarint(t,i){for(var e=0;e<t.length;e++)i.writeVarint(t[e])}function writePackedSVarint(t,i){for(var e=0;e<t.length;e++)i.writeSVarint(t[e])}function writePackedFloat(t,i){for(var e=0;e<t.length;e++)i.writeFloat(t[e])}function writePackedDouble(t,i){for(var e=0;e<t.length;e++)i.writeDouble(t[e])}function writePackedBoolean(t,i){for(var e=0;e<t.length;e++)i.writeBoolean(t[e])}function writePackedFixed32(t,i){for(var e=0;e<t.length;e++)i.writeFixed32(t[e])}function writePackedSFixed32(t,i){for(var e=0;e<t.length;e++)i.writeSFixed32(t[e])}function writePackedFixed64(t,i){for(var e=0;e<t.length;e++)i.writeFixed64(t[e])}function writePackedSFixed64(t,i){for(var e=0;e<t.length;e++)i.writeSFixed64(t[e])}module.exports=Pbf;var Buffer=global.Buffer||require("./buffer");Pbf.Varint=0,Pbf.Fixed64=1,Pbf.Bytes=2,Pbf.Fixed32=5;var SHIFT_LEFT_32=4294967296,SHIFT_RIGHT_32=1/SHIFT_LEFT_32,POW_2_63=Math.pow(2,63);Pbf.prototype={destroy:function(){this.buf=null},readFields:function(t,i,e){for(e=e||this.length;this.pos<e;){var r=this.readVarint(),s=r>>3,n=this.pos;t(s,i,this),this.pos===n&&this.skip(r)}return i},readMessage:function(t,i){return this.readFields(t,i,this.readVarint()+this.pos)},readFixed32:function(){var t=this.buf.readUInt32LE(this.pos);return this.pos+=4,t},readSFixed32:function(){var t=this.buf.readInt32LE(this.pos);return this.pos+=4,t},readFixed64:function(){var t=this.buf.readUInt32LE(this.pos)+this.buf.readUInt32LE(this.pos+4)*SHIFT_LEFT_32;return this.pos+=8,t},readSFixed64:function(){var t=this.buf.readUInt32LE(this.pos)+this.buf.readInt32LE(this.pos+4)*SHIFT_LEFT_32;return this.pos+=8,t},readFloat:function(){var t=this.buf.readFloatLE(this.pos);return this.pos+=4,t},readDouble:function(){var t=this.buf.readDoubleLE(this.pos);return this.pos+=8,t},readVarint:function(){var t,i,e=this.buf;return i=e[this.pos++],t=127&i,128>i?t:(i=e[this.pos++],t|=(127&i)<<7,128>i?t:(i=e[this.pos++],t|=(127&i)<<14,128>i?t:(i=e[this.pos++],t|=(127&i)<<21,128>i?t:readVarintRemainder(t,this))))},readVarint64:function(){var t=this.pos,i=this.readVarint();if(POW_2_63>i)return i;for(var e=this.pos-2;255===this.buf[e];)e--;t>e&&(e=t),i=0;for(var r=0;e-t+1>r;r++){var s=127&~this.buf[t+r];i+=4>r?s<<7*r:s*Math.pow(2,7*r)}return-i-1},readSVarint:function(){var t=this.readVarint();return t%2===1?(t+1)/-2:t/2},readBoolean:function(){return Boolean(this.readVarint())},readString:function(){var t=this.readVarint()+this.pos,i=this.buf.toString("utf8",this.pos,t);return this.pos=t,i},readBytes:function(){var t=this.readVarint()+this.pos,i=this.buf.slice(this.pos,t);return this.pos=t,i},readPackedVarint:function(){for(var t=this.readVarint()+this.pos,i=[];this.pos<t;)i.push(this.readVarint());return i},readPackedSVarint:function(){for(var t=this.readVarint()+this.pos,i=[];this.pos<t;)i.push(this.readSVarint());return i},readPackedBoolean:function(){for(var t=this.readVarint()+this.pos,i=[];this.pos<t;)i.push(this.readBoolean());return i},readPackedFloat:function(){for(var t=this.readVarint()+this.pos,i=[];this.pos<t;)i.push(this.readFloat());return i},readPackedDouble:function(){for(var t=this.readVarint()+this.pos,i=[];this.pos<t;)i.push(this.readDouble());return i},readPackedFixed32:function(){for(var t=this.readVarint()+this.pos,i=[];this.pos<t;)i.push(this.readFixed32());return i},readPackedSFixed32:function(){for(var t=this.readVarint()+this.pos,i=[];this.pos<t;)i.push(this.readSFixed32());return i},readPackedFixed64:function(){for(var t=this.readVarint()+this.pos,i=[];this.pos<t;)i.push(this.readFixed64());return i},readPackedSFixed64:function(){for(var t=this.readVarint()+this.pos,i=[];this.pos<t;)i.push(this.readSFixed64());return i},skip:function(t){var i=7&t;if(i===Pbf.Varint)for(;this.buf[this.pos++]>127;);else if(i===Pbf.Bytes)this.pos=this.readVarint()+this.pos;else if(i===Pbf.Fixed32)this.pos+=4;else{if(i!==Pbf.Fixed64)throw new Error("Unimplemented type: "+i);this.pos+=8}},writeTag:function(t,i){this.writeVarint(t<<3|i)},realloc:function(t){for(var i=this.length||16;i<this.pos+t;)i*=2;if(i!==this.length){var e=new Buffer(i);this.buf.copy(e),this.buf=e,this.length=i}},finish:function(){return this.length=this.pos,this.pos=0,this.buf.slice(0,this.length)},writeFixed32:function(t){this.realloc(4),this.buf.writeUInt32LE(t,this.pos),this.pos+=4},writeSFixed32:function(t){this.realloc(4),this.buf.writeInt32LE(t,this.pos),this.pos+=4},writeFixed64:function(t){this.realloc(8),this.buf.writeInt32LE(-1&t,this.pos),this.buf.writeUInt32LE(Math.floor(t*SHIFT_RIGHT_32),this.pos+4),this.pos+=8},writeSFixed64:function(t){this.realloc(8),this.buf.writeInt32LE(-1&t,this.pos),this.buf.writeInt32LE(Math.floor(t*SHIFT_RIGHT_32),this.pos+4),this.pos+=8},writeVarint:function(t){return t=+t,t>268435455?void writeBigVarint(t,this):(this.realloc(4),this.buf[this.pos++]=127&t|(t>127?128:0),void(127>=t||(this.buf[this.pos++]=127&(t>>>=7)|(t>127?128:0),127>=t||(this.buf[this.pos++]=127&(t>>>=7)|(t>127?128:0),127>=t||(this.buf[this.pos++]=t>>>7&127)))))},writeSVarint:function(t){this.writeVarint(0>t?2*-t-1:2*t)},writeBoolean:function(t){this.writeVarint(Boolean(t))},writeString:function(t){t=String(t);var i=Buffer.byteLength(t);this.writeVarint(i),this.realloc(i),this.buf.write(t,this.pos),this.pos+=i},writeFloat:function(t){this.realloc(4),this.buf.writeFloatLE(t,this.pos),this.pos+=4},writeDouble:function(t){this.realloc(8),this.buf.writeDoubleLE(t,this.pos),this.pos+=8},writeBytes:function(t){var i=t.length;this.writeVarint(i),this.realloc(i);for(var e=0;i>e;e++)this.buf[this.pos++]=t[e]},writeRawMessage:function(t,i){this.pos++;var e=this.pos;t(i,this);var r=this.pos-e;r>=128&&reallocForRawMessage(e,r,this),this.pos=e-1,this.writeVarint(r),this.pos+=r},writeMessage:function(t,i,e){this.writeTag(t,Pbf.Bytes),this.writeRawMessage(i,e)},writePackedVarint:function(t,i){this.writeMessage(t,writePackedVarint,i)},writePackedSVarint:function(t,i){this.writeMessage(t,writePackedSVarint,i)},writePackedBoolean:function(t,i){this.writeMessage(t,writePackedBoolean,i)},writePackedFloat:function(t,i){this.writeMessage(t,writePackedFloat,i)},writePackedDouble:function(t,i){this.writeMessage(t,writePackedDouble,i)},writePackedFixed32:function(t,i){this.writeMessage(t,writePackedFixed32,i)},writePackedSFixed32:function(t,i){this.writeMessage(t,writePackedSFixed32,i)},writePackedFixed64:function(t,i){this.writeMessage(t,writePackedFixed64,i)},writePackedSFixed64:function(t,i){this.writeMessage(t,writePackedSFixed64,i)},writeBytesField:function(t,i){this.writeTag(t,Pbf.Bytes),this.writeBytes(i)},writeFixed32Field:function(t,i){this.writeTag(t,Pbf.Fixed32),this.writeFixed32(i)},writeSFixed32Field:function(t,i){this.writeTag(t,Pbf.Fixed32),this.writeSFixed32(i)},writeFixed64Field:function(t,i){this.writeTag(t,Pbf.Fixed64),this.writeFixed64(i)},writeSFixed64Field:function(t,i){this.writeTag(t,Pbf.Fixed64),this.writeSFixed64(i)},writeVarintField:function(t,i){this.writeTag(t,Pbf.Varint),this.writeVarint(i)},writeSVarintField:function(t,i){this.writeTag(t,Pbf.Varint),this.writeSVarint(i)},writeStringField:function(t,i){this.writeTag(t,Pbf.Bytes),this.writeString(i)},writeFloatField:function(t,i){this.writeTag(t,Pbf.Fixed32),this.writeFloat(i)},writeDoubleField:function(t,i){this.writeTag(t,Pbf.Fixed64),this.writeDouble(i)},writeBooleanField:function(t,i){this.writeVarintField(t,Boolean(i))}};
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-
-},{"./buffer":173}],175:[function(require,module,exports){
-exports.read=function(a,o,t,r,h){var M,p,w=8*h-r-1,f=(1<<w)-1,e=f>>1,i=-7,N=t?h-1:0,n=t?-1:1,s=a[o+N];for(N+=n,M=s&(1<<-i)-1,s>>=-i,i+=w;i>0;M=256*M+a[o+N],N+=n,i-=8);for(p=M&(1<<-i)-1,M>>=-i,i+=r;i>0;p=256*p+a[o+N],N+=n,i-=8);if(0===M)M=1-e;else{if(M===f)return p?NaN:(s?-1:1)*(1/0);p+=Math.pow(2,r),M-=e}return(s?-1:1)*p*Math.pow(2,M-r)},exports.write=function(a,o,t,r,h,M){var p,w,f,e=8*M-h-1,i=(1<<e)-1,N=i>>1,n=23===h?Math.pow(2,-24)-Math.pow(2,-77):0,s=r?0:M-1,u=r?1:-1,l=0>o||0===o&&0>1/o?1:0;for(o=Math.abs(o),isNaN(o)||o===1/0?(w=isNaN(o)?1:0,p=i):(p=Math.floor(Math.log(o)/Math.LN2),o*(f=Math.pow(2,-p))<1&&(p--,f*=2),o+=p+N>=1?n/f:n*Math.pow(2,1-N),o*f>=2&&(p++,f/=2),p+N>=i?(w=0,p=i):p+N>=1?(w=(o*f-1)*Math.pow(2,h),p+=N):(w=o*Math.pow(2,N-1)*Math.pow(2,h),p=0));h>=8;a[t+s]=255&w,s+=u,w/=256,h-=8);for(p=p<<h|w,e+=h;e>0;a[t+s]=255&p,s+=u,p/=256,e-=8);a[t+s-u]|=128*l};
-},{}],176:[function(require,module,exports){
-"use strict";function Point(t,n){this.x=t,this.y=n}module.exports=Point,Point.prototype={clone:function(){return new Point(this.x,this.y)},add:function(t){return this.clone()._add(t)},sub:function(t){return this.clone()._sub(t)},mult:function(t){return this.clone()._mult(t)},div:function(t){return this.clone()._div(t)},rotate:function(t){return this.clone()._rotate(t)},matMult:function(t){return this.clone()._matMult(t)},unit:function(){return this.clone()._unit()},perp:function(){return this.clone()._perp()},round:function(){return this.clone()._round()},mag:function(){return Math.sqrt(this.x*this.x+this.y*this.y)},equals:function(t){return this.x===t.x&&this.y===t.y},dist:function(t){return Math.sqrt(this.distSqr(t))},distSqr:function(t){var n=t.x-this.x,i=t.y-this.y;return n*n+i*i},angle:function(){return Math.atan2(this.y,this.x)},angleTo:function(t){return Math.atan2(this.y-t.y,this.x-t.x)},angleWith:function(t){return this.angleWithSep(t.x,t.y)},angleWithSep:function(t,n){return Math.atan2(this.x*n-this.y*t,this.x*t+this.y*n)},_matMult:function(t){var n=t[0]*this.x+t[1]*this.y,i=t[2]*this.x+t[3]*this.y;return this.x=n,this.y=i,this},_add:function(t){return this.x+=t.x,this.y+=t.y,this},_sub:function(t){return this.x-=t.x,this.y-=t.y,this},_mult:function(t){return this.x*=t,this.y*=t,this},_div:function(t){return this.x/=t,this.y/=t,this},_unit:function(){return this._div(this.mag()),this},_perp:function(){var t=this.y;return this.y=this.x,this.x=-t,this},_rotate:function(t){var n=Math.cos(t),i=Math.sin(t),s=n*this.x-i*this.y,r=i*this.x+n*this.y;return this.x=s,this.y=r,this},_round:function(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this}},Point.convert=function(t){return t instanceof Point?t:Array.isArray(t)?new Point(t[0],t[1]):t};
-},{}],177:[function(require,module,exports){
-"use strict";function partialSort(a,t,r,o,p){for(r=r||0,o=o||a.length-1,p=p||defaultCompare;o>r;){if(o-r>600){var f=o-r+1,e=t-r+1,l=Math.log(f),s=.5*Math.exp(2*l/3),i=.5*Math.sqrt(l*s*(f-s)/f)*(0>e-f/2?-1:1),n=Math.max(r,Math.floor(t-e*s/f+i)),h=Math.min(o,Math.floor(t+(f-e)*s/f+i));partialSort(a,t,n,h,p)}var u=a[t],M=r,w=o;for(swap(a,r,t),p(a[o],u)>0&&swap(a,r,o);w>M;){for(swap(a,M,w),M++,w--;p(a[M],u)<0;)M++;for(;p(a[w],u)>0;)w--}0===p(a[r],u)?swap(a,r,w):(w++,swap(a,w,o)),t>=w&&(r=w+1),w>=t&&(o=w-1)}}function swap(a,t,r){var o=a[t];a[t]=a[r],a[r]=o}function defaultCompare(a,t){return t>a?-1:a>t?1:0}module.exports=partialSort;
-},{}],178:[function(require,module,exports){
-void function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():e.resolveUrl=r()}(this,function(){function e(){var e=arguments.length;if(0===e)throw new Error("resolveUrl requires at least one argument; got none.");var r=document.createElement("base");if(r.href=arguments[0],1===e)return r.href;var t=document.getElementsByTagName("head")[0];t.insertBefore(r,t.firstChild);for(var n,o=document.createElement("a"),f=1;e>f;f++)o.href=arguments[f],n=o.href,r.href=n;return t.removeChild(r),n}return e});
-},{}],179:[function(require,module,exports){
-"use strict";function ShelfPack(t,h,e){e=e||{},this.w=t||64,this.h=h||64,this.autoResize=!!e.autoResize,this.shelves=[],this.stats={},this.count=function(t){this.stats[t]=(0|this.stats[t])+1}}function Shelf(t,h,e){this.x=0,this.y=t,this.w=this.free=h,this.h=e}module.exports=ShelfPack,ShelfPack.prototype.pack=function(t,h){t=[].concat(t),h=h||{};for(var e,s,i,r=[],n=0;n<t.length;n++)if(e=t[n].w||t[n].width,s=t[n].h||t[n].height,e&&s){if(i=this.packOne(e,s),!i)continue;h.inPlace&&(t[n].x=i.x,t[n].y=i.y),r.push(i)}return r},ShelfPack.prototype.packOne=function(t,h){for(var e,s,i=0,r={shelf:-1,waste:1/0},n=0;n<this.shelves.length;n++){if(e=this.shelves[n],i+=e.h,h===e.h&&t<=e.free)return this.count(h),e.alloc(t,h);h>e.h||t>e.free||h<e.h&&t<=e.free&&(s=e.h-h,s<r.waste&&(r.waste=s,r.shelf=n))}if(-1!==r.shelf)return e=this.shelves[r.shelf],this.count(h),e.alloc(t,h);if(h<=this.h-i&&t<=this.w)return e=new Shelf(i,this.w,h),this.shelves.push(e),this.count(h),e.alloc(t,h);if(this.autoResize){var f,l,o,a;return f=l=this.h,o=a=this.w,(f>=o||t>o)&&(a=2*Math.max(t,o)),(o>f||h>f)&&(l=2*Math.max(h,f)),this.resize(a,l),this.packOne(t,h)}return null},ShelfPack.prototype.clear=function(){this.shelves=[],this.stats={}},ShelfPack.prototype.resize=function(t,h){if(t<this.w||h<this.h)return!1;this.w=t,this.h=h;for(var e=0;e<this.shelves.length;e++)this.shelves[e].resize(t);return!0},Shelf.prototype.alloc=function(t,h){if(t>this.free||h>this.h)return null;var e=this.x;return this.x+=t,this.free-=t,{x:e,y:this.y,w:t,h:h,width:t,height:h}},Shelf.prototype.resize=function(t){return t<this.w?!1:(this.free+=t-this.w,this.w=t,!0)};
-},{}],180:[function(require,module,exports){
-"use strict";function supercluster(t){return new SuperCluster(t)}function SuperCluster(t){this.options=extend(Object.create(this.options),t),this.trees=new Array(this.options.maxZoom+1)}function createCluster(t,e,o,n){return{x:t,y:e,zoom:1/0,id:n,numPoints:o}}function createPointCluster(t,e){var o=t.geometry.coordinates;return createCluster(lngX(o[0]),latY(o[1]),1,e)}function getClusterJSON(t){return{type:"Feature",properties:getClusterProperties(t),geometry:{type:"Point",coordinates:[xLng(t.x),yLat(t.y)]}}}function getClusterProperties(t){var e=t.numPoints,o=e>=1e4?Math.round(e/1e3)+"k":e>=1e3?Math.round(e/100)/10+"k":e;return{cluster:!0,point_count:e,point_count_abbreviated:o}}function lngX(t){return t/360+.5}function latY(t){var e=Math.sin(t*Math.PI/180),o=.5-.25*Math.log((1+e)/(1-e))/Math.PI;return 0>o?0:o>1?1:o}function xLng(t){return 360*(t-.5)}function yLat(t){var e=(180-360*t)*Math.PI/180;return 360*Math.atan(Math.exp(e))/Math.PI-90}function extend(t,e){for(var o in e)t[o]=e[o];return t}function getX(t){return t.x}function getY(t){return t.y}var kdbush=require("kdbush");module.exports=supercluster,SuperCluster.prototype={options:{minZoom:0,maxZoom:16,radius:40,extent:512,nodeSize:64,log:!1},load:function(t){var e=this.options.log;e&&console.time("total time");var o="prepare "+t.length+" points";e&&console.time(o),this.points=t;var n=t.map(createPointCluster);e&&console.timeEnd(o);for(var r=this.options.maxZoom;r>=this.options.minZoom;r--){var i=+Date.now();this.trees[r+1]=kdbush(n,getX,getY,this.options.nodeSize,Float32Array),n=this._cluster(n,r),e&&console.log("z%d: %d clusters in %dms",r,n.length,+Date.now()-i)}return this.trees[this.options.minZoom]=kdbush(n,getX,getY,this.options.nodeSize,Float32Array),e&&console.timeEnd("total time"),this},getClusters:function(t,e){for(var o=this.trees[this._limitZoom(e)],n=o.range(lngX(t[0]),latY(t[3]),lngX(t[2]),latY(t[1])),r=[],i=0;i<n.length;i++){var s=o.points[n[i]];r.push(-1!==s.id?this.points[s.id]:getClusterJSON(s))}return r},getTile:function(t,e,o){var n=Math.pow(2,t),r=this.options.extent,i=this.options.radius/r,s=this.trees[this._limitZoom(t)],u=s.range((e-i)/n,(o-i)/n,(e+1+i)/n,(o+1+i)/n);if(!u.length)return null;for(var a={features:[]},h=0;h<u.length;h++){var l=s.points[u[h]],p={type:1,geometry:[[Math.round(r*(l.x*n-e)),Math.round(r*(l.y*n-o))]],tags:-1!==l.id?this.points[l.id].properties:getClusterProperties(l)};a.features.push(p)}return a},_limitZoom:function(t){return Math.max(this.options.minZoom,Math.min(t,this.options.maxZoom+1))},_cluster:function(t,e){for(var o=[],n=this.options.radius/(this.options.extent*Math.pow(2,e)),r=0;r<t.length;r++){var i=t[r];if(!(i.zoom<=e)){i.zoom=e;for(var s=this.trees[e+1],u=s.within(i.x,i.y,n),a=!1,h=i.numPoints,l=i.x*h,p=i.y*h,m=0;m<u.length;m++){var c=s.points[u[m]];e<c.zoom&&(a=!0,c.zoom=e,l+=c.x*c.numPoints,p+=c.y*c.numPoints,h+=c.numPoints)}o.push(a?createCluster(l/h,p/h,h,-1):i)}}return o}};
-},{"kdbush":181}],181:[function(require,module,exports){
-"use strict";function kdbush(t,i,e,s,n){return new KDBush(t,i,e,s,n)}function KDBush(t,i,e,s,n){i=i||defaultGetX,e=e||defaultGetY,n=n||Array,this.nodeSize=s||64,this.points=t,this.ids=new n(t.length),this.coords=new n(2*t.length);for(var r=0;r<t.length;r++)this.ids[r]=r,this.coords[2*r]=i(t[r]),this.coords[2*r+1]=e(t[r]);sort(this.ids,this.coords,this.nodeSize,0,this.ids.length-1,0)}function defaultGetX(t){return t[0]}function defaultGetY(t){return t[1]}var sort=require("./sort"),range=require("./range"),within=require("./within");module.exports=kdbush,KDBush.prototype={range:function(t,i,e,s){return range(this.ids,this.coords,t,i,e,s,this.nodeSize)},within:function(t,i,e){return within(this.ids,this.coords,t,i,e,this.nodeSize)}};
-},{"./range":182,"./sort":183,"./within":184}],182:[function(require,module,exports){
-"use strict";function range(p,r,s,u,h,e,o){for(var a,t,n=[0,p.length-1,0],f=[];n.length;){var l=n.pop(),v=n.pop(),g=n.pop();if(o>=v-g)for(var i=g;v>=i;i++)a=r[2*i],t=r[2*i+1],a>=s&&h>=a&&t>=u&&e>=t&&f.push(p[i]);else{var c=Math.floor((g+v)/2);a=r[2*c],t=r[2*c+1],a>=s&&h>=a&&t>=u&&e>=t&&f.push(p[c]);var d=(l+1)%2;(0===l?a>=s:t>=u)&&(n.push(g),n.push(c-1),n.push(d)),(0===l?h>=a:e>=t)&&(n.push(c+1),n.push(v),n.push(d))}}return f}module.exports=range;
-},{}],183:[function(require,module,exports){
-"use strict";function sortKD(t,a,o,s,r,e){if(!(o>=r-s)){var f=Math.floor((s+r)/2);select(t,a,f,s,r,e%2),sortKD(t,a,o,s,f-1,e+1),sortKD(t,a,o,f+1,r,e+1)}}function select(t,a,o,s,r,e){for(;r>s;){if(r-s>600){var f=r-s+1,p=o-s+1,w=Math.log(f),m=.5*Math.exp(2*w/3),n=.5*Math.sqrt(w*m*(f-m)/f)*(0>p-f/2?-1:1),c=Math.max(s,Math.floor(o-p*m/f+n)),h=Math.min(r,Math.floor(o+(f-p)*m/f+n));select(t,a,o,c,h,e)}var i=a[2*o+e],l=s,M=r;for(swapItem(t,a,s,o),a[2*r+e]>i&&swapItem(t,a,s,r);M>l;){for(swapItem(t,a,l,M),l++,M--;a[2*l+e]<i;)l++;for(;a[2*M+e]>i;)M--}a[2*s+e]===i?swapItem(t,a,s,M):(M++,swapItem(t,a,M,r)),o>=M&&(s=M+1),M>=o&&(r=M-1)}}function swapItem(t,a,o,s){swap(t,o,s),swap(a,2*o,2*s),swap(a,2*o+1,2*s+1)}function swap(t,a,o){var s=t[a];t[a]=t[o],t[o]=s}module.exports=sortKD;
-},{}],184:[function(require,module,exports){
-"use strict";function within(s,p,r,t,u,h){for(var i=[0,s.length-1,0],o=[],n=u*u;i.length;){var e=i.pop(),a=i.pop(),f=i.pop();if(h>=a-f)for(var v=f;a>=v;v++)sqDist(p[2*v],p[2*v+1],r,t)<=n&&o.push(s[v]);else{var l=Math.floor((f+a)/2),c=p[2*l],q=p[2*l+1];sqDist(c,q,r,t)<=n&&o.push(s[l]);var D=(e+1)%2;(0===e?c>=r-u:q>=t-u)&&(i.push(f),i.push(l-1),i.push(D)),(0===e?r+u>=c:t+u>=q)&&(i.push(l+1),i.push(a),i.push(D))}}return o}function sqDist(s,p,r,t){var u=s-r,h=p-t;return u*u+h*h}module.exports=within;
-},{}],185:[function(require,module,exports){
-function UnitBezier(t,i,e,r){this.cx=3*t,this.bx=3*(e-t)-this.cx,this.ax=1-this.cx-this.bx,this.cy=3*i,this.by=3*(r-i)-this.cy,this.ay=1-this.cy-this.by,this.p1x=t,this.p1y=r,this.p2x=e,this.p2y=r}module.exports=UnitBezier,UnitBezier.prototype.sampleCurveX=function(t){return((this.ax*t+this.bx)*t+this.cx)*t},UnitBezier.prototype.sampleCurveY=function(t){return((this.ay*t+this.by)*t+this.cy)*t},UnitBezier.prototype.sampleCurveDerivativeX=function(t){return(3*this.ax*t+2*this.bx)*t+this.cx},UnitBezier.prototype.solveCurveX=function(t,i){"undefined"==typeof i&&(i=1e-6);var e,r,s,h,n;for(s=t,n=0;8>n;n++){if(h=this.sampleCurveX(s)-t,Math.abs(h)<i)return s;var u=this.sampleCurveDerivativeX(s);if(Math.abs(u)<1e-6)break;s-=h/u}if(e=0,r=1,s=t,e>s)return e;if(s>r)return r;for(;r>e;){if(h=this.sampleCurveX(s),Math.abs(h-t)<i)return s;t>h?e=s:r=s,s=.5*(r-e)+e}return s},UnitBezier.prototype.solve=function(t,i){return this.sampleCurveY(this.solveCurveX(t,i))};
-},{}],186:[function(require,module,exports){
+},{"./support/isBuffer":202,"_process":195,"inherits":201}],204:[function(require,module,exports){
 module.exports.VectorTile=require("./lib/vectortile.js"),module.exports.VectorTileFeature=require("./lib/vectortilefeature.js"),module.exports.VectorTileLayer=require("./lib/vectortilelayer.js");
-},{"./lib/vectortile.js":187,"./lib/vectortilefeature.js":188,"./lib/vectortilelayer.js":189}],187:[function(require,module,exports){
+},{"./lib/vectortile.js":205,"./lib/vectortilefeature.js":206,"./lib/vectortilelayer.js":207}],205:[function(require,module,exports){
 "use strict";function VectorTile(e,r){this.layers=e.readFields(readTile,{},r)}function readTile(e,r,i){if(3===e){var t=new VectorTileLayer(i,i.readVarint()+i.pos);t.length&&(r[t.name]=t)}}var VectorTileLayer=require("./vectortilelayer");module.exports=VectorTile;
-},{"./vectortilelayer":189}],188:[function(require,module,exports){
-"use strict";function VectorTileFeature(e,t,r,i,a){this.properties={},this.extent=r,this.type=0,this._pbf=e,this._geometry=-1,this._keys=i,this._values=a,e.readFields(readFeature,this,t)}function readFeature(e,t,r){1==e?t._id=r.readVarint():2==e?readTag(r,t):3==e?t.type=r.readVarint():4==e&&(t._geometry=r.pos)}function readTag(e,t){for(var r=e.readVarint()+e.pos;e.pos<r;){var i=t._keys[e.readVarint()],a=t._values[e.readVarint()];t.properties[i]=a}}function classifyRings(e){var t=e.length;if(1>=t)return[e];for(var r,i,a=[],o=0;t>o;o++){var n=signedArea(e[o]);0!==n&&(void 0===i&&(i=0>n),i===0>n?(r&&a.push(r),r=[e[o]]):r.push(e[o]))}return r&&a.push(r),a}function signedArea(e){for(var t,r,i=0,a=0,o=e.length,n=o-1;o>a;n=a++)t=e[a],r=e[n],i+=(r.x-t.x)*(t.y+r.y);return i}var Point=require("point-geometry");module.exports=VectorTileFeature,VectorTileFeature.types=["Unknown","Point","LineString","Polygon"],VectorTileFeature.prototype.loadGeometry=function(){var e=this._pbf;e.pos=this._geometry;for(var t,r=e.readVarint()+e.pos,i=1,a=0,o=0,n=0,s=[];e.pos<r;){if(!a){var p=e.readVarint();i=7&p,a=p>>3}if(a--,1===i||2===i)o+=e.readSVarint(),n+=e.readSVarint(),1===i&&(t&&s.push(t),t=[]),t.push(new Point(o,n));else{if(7!==i)throw new Error("unknown command "+i);t&&t.push(t[0].clone())}}return t&&s.push(t),s},VectorTileFeature.prototype.bbox=function(){var e=this._pbf;e.pos=this._geometry;for(var t=e.readVarint()+e.pos,r=1,i=0,a=0,o=0,n=1/0,s=-(1/0),p=1/0,h=-(1/0);e.pos<t;){if(!i){var u=e.readVarint();r=7&u,i=u>>3}if(i--,1===r||2===r)a+=e.readSVarint(),o+=e.readSVarint(),n>a&&(n=a),a>s&&(s=a),p>o&&(p=o),o>h&&(h=o);else if(7!==r)throw new Error("unknown command "+r)}return[n,p,s,h]},VectorTileFeature.prototype.toGeoJSON=function(e,t,r){function i(e){for(var t=0;t<e.length;t++){var r=e[t],i=180-360*(r.y+p)/n;e[t]=[360*(r.x+s)/n-180,360/Math.PI*Math.atan(Math.exp(i*Math.PI/180))-90]}}var a,o,n=this.extent*Math.pow(2,r),s=this.extent*e,p=this.extent*t,h=this.loadGeometry(),u=VectorTileFeature.types[this.type];switch(this.type){case 1:var d=[];for(a=0;a<h.length;a++)d[a]=h[a][0];h=d,i(h);break;case 2:for(a=0;a<h.length;a++)i(h[a]);break;case 3:for(h=classifyRings(h),a=0;a<h.length;a++)for(o=0;o<h[a].length;o++)i(h[a][o])}1===h.length?h=h[0]:u="Multi"+u;var f={type:"Feature",geometry:{type:u,coordinates:h},properties:this.properties};return"_id"in this&&(f.id=this._id),f};
-},{"point-geometry":176}],189:[function(require,module,exports){
-"use strict";function VectorTileLayer(e,t){this.version=1,this.name=null,this.extent=4096,this.length=0,this._pbf=e,this._keys=[],this._values=[],this._features=[],e.readFields(readLayer,this,t),this.length=this._features.length}function readLayer(e,t,r){15===e?t.version=r.readVarint():1===e?t.name=r.readString():5===e?t.extent=r.readVarint():2===e?t._features.push(r.pos):3===e?t._keys.push(r.readString()):4===e&&t._values.push(readValueMessage(r))}function readValueMessage(e){for(var t=null,r=e.readVarint()+e.pos;e.pos<r;){var a=e.readVarint()>>3;t=1===a?e.readString():2===a?e.readFloat():3===a?e.readDouble():4===a?e.readVarint64():5===a?e.readVarint():6===a?e.readSVarint():7===a?e.readBoolean():null}return t}var VectorTileFeature=require("./vectortilefeature.js");module.exports=VectorTileLayer,VectorTileLayer.prototype.feature=function(e){if(0>e||e>=this._features.length)throw new Error("feature index out of bounds");this._pbf.pos=this._features[e];var t=this._pbf.readVarint()+this._pbf.pos;return new VectorTileFeature(this._pbf,t,this.extent,this._keys,this._values)};
-},{"./vectortilefeature.js":188}],190:[function(require,module,exports){
-function fromVectorTileJs(e){var r=[];for(var o in e.layers)r.push(prepareLayer(e.layers[o]));var t=new Pbf;return vtpb.tile.write({layers:r},t),t.finish()}function fromGeojsonVt(e){var r={};for(var o in e)r[o]=new GeoJSONWrapper(e[o].features),r[o].name=o;return fromVectorTileJs({layers:r})}function prepareLayer(e){for(var r={name:e.name||"",version:e.version||1,extent:e.extent||4096,keys:[],values:[],features:[]},o={},t={},a=0;a<e.length;a++){var n=e.feature(a);n.geometry=encodeGeometry(n.loadGeometry());var u=[];for(var s in n.properties){var p=o[s];"undefined"==typeof p&&(r.keys.push(s),p=r.keys.length-1,o[s]=p);var i=wrapValue(n.properties[s]),l=t[i.key];"undefined"==typeof l&&(r.values.push(i),l=r.values.length-1,t[i.key]=l),u.push(p),u.push(l)}n.tags=u,r.features.push(n)}return r}function command(e,r){return(r<<3)+(7&e)}function zigzag(e){return e<<1^e>>31}function encodeGeometry(e){for(var r=[],o=0,t=0,a=e.length,n=0;a>n;n++){var u=e[n];r.push(command(1,1));for(var s=0;s<u.length;s++){1===s&&r.push(command(2,u.length-1));var p=u[s].x-o,i=u[s].y-t;r.push(zigzag(p),zigzag(i)),o+=p,t+=i}}return r}function wrapValue(e){var r,o=typeof e;return r="string"===o?{string_value:e}:"boolean"===o?{bool_value:e}:"number"===o?e!==(0|e)?{float_value:e}:0>e?{sint_value:e}:{uint_value:e}:{string_value:""+e},r.key=o+":"+e,r}var Pbf=require("pbf"),vtpb=require("./vector-tile-pb"),GeoJSONWrapper=require("./lib/geojson_wrapper");module.exports=fromVectorTileJs,module.exports.fromVectorTileJs=fromVectorTileJs,module.exports.fromGeojsonVt=fromGeojsonVt,module.exports.GeoJSONWrapper=GeoJSONWrapper;
-},{"./lib/geojson_wrapper":191,"./vector-tile-pb":192,"pbf":174}],191:[function(require,module,exports){
-"use strict";function GeoJSONWrapper(e){this.features=e,this.length=e.length}function FeatureWrapper(e){this.type=e.type,this.rawGeometry=1===e.type?[e.geometry]:e.geometry,this.properties=e.tags,this.extent=4096}var Point=require("point-geometry"),VectorTileFeature=require("vector-tile").VectorTileFeature;module.exports=GeoJSONWrapper,GeoJSONWrapper.prototype.feature=function(e){return new FeatureWrapper(this.features[e])},FeatureWrapper.prototype.loadGeometry=function(){var e=this.rawGeometry;this.geometry=[];for(var t=0;t<e.length;t++){for(var r=e[t],o=[],a=0;a<r.length;a++)o.push(new Point(r[a][0],r[a][1]));this.geometry.push(o)}return this.geometry},FeatureWrapper.prototype.bbox=function(){this.geometry||this.loadGeometry();for(var e=this.geometry,t=1/0,r=-(1/0),o=1/0,a=-(1/0),p=0;p<e.length;p++)for(var i=e[p],n=0;n<i.length;n++){var h=i[n];t=Math.min(t,h.x),r=Math.max(r,h.x),o=Math.min(o,h.y),a=Math.max(a,h.y)}return[t,o,r,a]},FeatureWrapper.prototype.toGeoJSON=VectorTileFeature.prototype.toGeoJSON;
-},{"point-geometry":176,"vector-tile":186}],192:[function(require,module,exports){
+},{"./vectortilelayer":207}],206:[function(require,module,exports){
+"use strict";function VectorTileFeature(e,t,r,i,a){this.properties={},this.extent=r,this.type=0,this._pbf=e,this._geometry=-1,this._keys=i,this._values=a,e.readFields(readFeature,this,t)}function readFeature(e,t,r){1==e?t.id=r.readVarint():2==e?readTag(r,t):3==e?t.type=r.readVarint():4==e&&(t._geometry=r.pos)}function readTag(e,t){for(var r=e.readVarint()+e.pos;e.pos<r;){var i=t._keys[e.readVarint()],a=t._values[e.readVarint()];t.properties[i]=a}}function classifyRings(e){var t=e.length;if(t<=1)return[e];for(var r,i,a=[],o=0;o<t;o++){var n=signedArea(e[o]);0!==n&&(void 0===i&&(i=n<0),i===n<0?(r&&a.push(r),r=[e[o]]):r.push(e[o]))}return r&&a.push(r),a}function signedArea(e){for(var t,r,i=0,a=0,o=e.length,n=o-1;a<o;n=a++)t=e[a],r=e[n],i+=(r.x-t.x)*(t.y+r.y);return i}var Point=require("point-geometry");module.exports=VectorTileFeature,VectorTileFeature.types=["Unknown","Point","LineString","Polygon"],VectorTileFeature.prototype.loadGeometry=function(){var e=this._pbf;e.pos=this._geometry;for(var t,r=e.readVarint()+e.pos,i=1,a=0,o=0,n=0,s=[];e.pos<r;){if(!a){var p=e.readVarint();i=7&p,a=p>>3}if(a--,1===i||2===i)o+=e.readSVarint(),n+=e.readSVarint(),1===i&&(t&&s.push(t),t=[]),t.push(new Point(o,n));else{if(7!==i)throw new Error("unknown command "+i);t&&t.push(t[0].clone())}}return t&&s.push(t),s},VectorTileFeature.prototype.bbox=function(){var e=this._pbf;e.pos=this._geometry;for(var t=e.readVarint()+e.pos,r=1,i=0,a=0,o=0,n=1/0,s=-(1/0),p=1/0,h=-(1/0);e.pos<t;){if(!i){var u=e.readVarint();r=7&u,i=u>>3}if(i--,1===r||2===r)a+=e.readSVarint(),o+=e.readSVarint(),a<n&&(n=a),a>s&&(s=a),o<p&&(p=o),o>h&&(h=o);else if(7!==r)throw new Error("unknown command "+r)}return[n,p,s,h]},VectorTileFeature.prototype.toGeoJSON=function(e,t,r){function i(e){for(var t=0;t<e.length;t++){var r=e[t],i=180-360*(r.y+p)/n;e[t]=[360*(r.x+s)/n-180,360/Math.PI*Math.atan(Math.exp(i*Math.PI/180))-90]}}var a,o,n=this.extent*Math.pow(2,r),s=this.extent*e,p=this.extent*t,h=this.loadGeometry(),u=VectorTileFeature.types[this.type];switch(this.type){case 1:var d=[];for(a=0;a<h.length;a++)d[a]=h[a][0];h=d,i(h);break;case 2:for(a=0;a<h.length;a++)i(h[a]);break;case 3:for(h=classifyRings(h),a=0;a<h.length;a++)for(o=0;o<h[a].length;o++)i(h[a][o])}1===h.length?h=h[0]:u="Multi"+u;var f={type:"Feature",geometry:{type:u,coordinates:h},properties:this.properties};return"id"in this&&(f.id=this.id),f};
+},{"point-geometry":194}],207:[function(require,module,exports){
+"use strict";function VectorTileLayer(e,t){this.version=1,this.name=null,this.extent=4096,this.length=0,this._pbf=e,this._keys=[],this._values=[],this._features=[],e.readFields(readLayer,this,t),this.length=this._features.length}function readLayer(e,t,r){15===e?t.version=r.readVarint():1===e?t.name=r.readString():5===e?t.extent=r.readVarint():2===e?t._features.push(r.pos):3===e?t._keys.push(r.readString()):4===e&&t._values.push(readValueMessage(r))}function readValueMessage(e){for(var t=null,r=e.readVarint()+e.pos;e.pos<r;){var a=e.readVarint()>>3;t=1===a?e.readString():2===a?e.readFloat():3===a?e.readDouble():4===a?e.readVarint64():5===a?e.readVarint():6===a?e.readSVarint():7===a?e.readBoolean():null}return t}var VectorTileFeature=require("./vectortilefeature.js");module.exports=VectorTileLayer,VectorTileLayer.prototype.feature=function(e){if(e<0||e>=this._features.length)throw new Error("feature index out of bounds");this._pbf.pos=this._features[e];var t=this._pbf.readVarint()+this._pbf.pos;return new VectorTileFeature(this._pbf,t,this.extent,this._keys,this._values)};
+},{"./vectortilefeature.js":206}],208:[function(require,module,exports){
+function fromVectorTileJs(e){var r=[];for(var o in e.layers)r.push(prepareLayer(e.layers[o]));var t=new Pbf;return vtpb.tile.write({layers:r},t),t.finish()}function fromGeojsonVt(e){var r={};for(var o in e)r[o]=new GeoJSONWrapper(e[o].features),r[o].name=o;return fromVectorTileJs({layers:r})}function prepareLayer(e){for(var r={name:e.name||"",version:e.version||1,extent:e.extent||4096,keys:[],values:[],features:[]},o={},t={},n=0;n<e.length;n++){var a=e.feature(n);a.geometry=encodeGeometry(a.loadGeometry());var u=[];for(var s in a.properties){var i=o[s];"undefined"==typeof i&&(r.keys.push(s),i=r.keys.length-1,o[s]=i);var p=wrapValue(a.properties[s]),l=t[p.key];"undefined"==typeof l&&(r.values.push(p),l=r.values.length-1,t[p.key]=l),u.push(i),u.push(l)}a.tags=u,r.features.push(a)}return r}function command(e,r){return(r<<3)+(7&e)}function zigzag(e){return e<<1^e>>31}function encodeGeometry(e){for(var r=[],o=0,t=0,n=e.length,a=0;a<n;a++){var u=e[a];r.push(command(1,1));for(var s=0;s<u.length;s++){1===s&&r.push(command(2,u.length-1));var i=u[s].x-o,p=u[s].y-t;r.push(zigzag(i),zigzag(p)),o+=i,t+=p}}return r}function wrapValue(e){var r,o=typeof e;return"string"===o?r={string_value:e}:"boolean"===o?r={bool_value:e}:"number"===o?r=e%1!==0?{double_value:e}:e<0?{sint_value:e}:{uint_value:e}:(e=JSON.stringify(e),r={string_value:e}),r.key=o+":"+e,r}var Pbf=require("pbf"),vtpb=require("./vector-tile-pb"),GeoJSONWrapper=require("./lib/geojson_wrapper");module.exports=fromVectorTileJs,module.exports.fromVectorTileJs=fromVectorTileJs,module.exports.fromGeojsonVt=fromGeojsonVt,module.exports.GeoJSONWrapper=GeoJSONWrapper;
+},{"./lib/geojson_wrapper":209,"./vector-tile-pb":210,"pbf":193}],209:[function(require,module,exports){
+"use strict";function GeoJSONWrapper(e){this.features=e,this.length=e.length}function FeatureWrapper(e){this.id="number"==typeof e.id?e.id:void 0,this.type=e.type,this.rawGeometry=1===e.type?[e.geometry]:e.geometry,this.properties=e.tags,this.extent=4096}var Point=require("point-geometry"),VectorTileFeature=require("vector-tile").VectorTileFeature;module.exports=GeoJSONWrapper,GeoJSONWrapper.prototype.feature=function(e){return new FeatureWrapper(this.features[e])},FeatureWrapper.prototype.loadGeometry=function(){var e=this.rawGeometry;this.geometry=[];for(var t=0;t<e.length;t++){for(var r=e[t],o=[],a=0;a<r.length;a++)o.push(new Point(r[a][0],r[a][1]));this.geometry.push(o)}return this.geometry},FeatureWrapper.prototype.bbox=function(){this.geometry||this.loadGeometry();for(var e=this.geometry,t=1/0,r=-(1/0),o=1/0,a=-(1/0),i=0;i<e.length;i++)for(var p=e[i],n=0;n<p.length;n++){var h=p[n];t=Math.min(t,h.x),r=Math.max(r,h.x),o=Math.min(o,h.y),a=Math.max(a,h.y)}return[t,o,r,a]},FeatureWrapper.prototype.toGeoJSON=VectorTileFeature.prototype.toGeoJSON;
+},{"point-geometry":194,"vector-tile":204}],210:[function(require,module,exports){
 "use strict";function readTile(e,r){return e.readFields(readTileField,{layers:[]},r)}function readTileField(e,r,i){3===e&&r.layers.push(readLayer(i,i.readVarint()+i.pos))}function writeTile(e,r){var i;if(void 0!==e.layers)for(i=0;i<e.layers.length;i++)r.writeMessage(3,writeLayer,e.layers[i])}function readValue(e,r){return e.readFields(readValueField,{},r)}function readValueField(e,r,i){1===e?r.string_value=i.readString():2===e?r.float_value=i.readFloat():3===e?r.double_value=i.readDouble():4===e?r.int_value=i.readVarint():5===e?r.uint_value=i.readVarint():6===e?r.sint_value=i.readSVarint():7===e&&(r.bool_value=i.readBoolean())}function writeValue(e,r){void 0!==e.string_value&&r.writeStringField(1,e.string_value),void 0!==e.float_value&&r.writeFloatField(2,e.float_value),void 0!==e.double_value&&r.writeDoubleField(3,e.double_value),void 0!==e.int_value&&r.writeVarintField(4,e.int_value),void 0!==e.uint_value&&r.writeVarintField(5,e.uint_value),void 0!==e.sint_value&&r.writeSVarintField(6,e.sint_value),void 0!==e.bool_value&&r.writeBooleanField(7,e.bool_value)}function readFeature(e,r){var i=e.readFields(readFeatureField,{},r);return void 0===i.type&&(i.type="Unknown"),i}function readFeatureField(e,r,i){1===e?r.id=i.readVarint():2===e?r.tags=i.readPackedVarint():3===e?r.type=i.readVarint():4===e&&(r.geometry=i.readPackedVarint())}function writeFeature(e,r){void 0!==e.id&&r.writeVarintField(1,e.id),void 0!==e.tags&&r.writePackedVarint(2,e.tags),void 0!==e.type&&r.writeVarintField(3,e.type),void 0!==e.geometry&&r.writePackedVarint(4,e.geometry)}function readLayer(e,r){return e.readFields(readLayerField,{features:[],keys:[],values:[]},r)}function readLayerField(e,r,i){15===e?r.version=i.readVarint():1===e?r.name=i.readString():2===e?r.features.push(readFeature(i,i.readVarint()+i.pos)):3===e?r.keys.push(i.readString()):4===e?r.values.push(readValue(i,i.readVarint()+i.pos)):5===e&&(r.extent=i.readVarint())}function writeLayer(e,r){void 0!==e.version&&r.writeVarintField(15,e.version),void 0!==e.name&&r.writeStringField(1,e.name);var i;if(void 0!==e.features)for(i=0;i<e.features.length;i++)r.writeMessage(2,writeFeature,e.features[i]);if(void 0!==e.keys)for(i=0;i<e.keys.length;i++)r.writeStringField(3,e.keys[i]);if(void 0!==e.values)for(i=0;i<e.values.length;i++)r.writeMessage(4,writeValue,e.values[i]);void 0!==e.extent&&r.writeVarintField(5,e.extent)}var tile=exports.tile={read:readTile,write:writeTile};tile.GeomType={Unknown:0,Point:1,LineString:2,Polygon:3},tile.value={read:readValue,write:writeValue},tile.feature={read:readFeature,write:writeFeature},tile.layer={read:readLayer,write:writeLayer};
-},{}],193:[function(require,module,exports){
-var bundleFn=arguments[3],sources=arguments[4],cache=arguments[5],stringify=JSON.stringify;module.exports=function(r,e){for(var t,n=Object.keys(cache),o=0,a=n.length;a>o;o++){var i=n[o],s=cache[i].exports;if(s===r||s&&s["default"]===r){t=i;break}}if(!t){t=Math.floor(Math.pow(16,8)*Math.random()).toString(16);for(var u={},o=0,a=n.length;a>o;o++){var i=n[o];u[i]=i}sources[t]=[Function(["require","module","exports"],"("+r+")(self)"),u]}var f=Math.floor(Math.pow(16,8)*Math.random()).toString(16),c={};c[t]=t,sources[f]=[Function(["require"],"var f = require("+stringify(t)+");(f.default ? f.default : f)(self);"),c];var l="("+bundleFn+")({"+Object.keys(sources).map(function(r){return stringify(r)+":["+sources[r][0]+","+stringify(sources[r][1])+"]"}).join(",")+"},{},["+stringify(f)+"])",d=window.URL||window.webkitURL||window.mozURL||window.msURL,g=new Blob([l],{type:"text/javascript"});if(e&&e.bare)return g;var w=d.createObjectURL(g),h=new Worker(w);return h.objectURL=w,h};
-},{}],194:[function(require,module,exports){
-"use strict";exports.getURL=function(e,t,r,o,s,i){i=i||{};var a=e+"?"+["bbox="+exports.getTileBBox(r,o,s),"format="+(i.format||"image/png"),"service="+(i.service||"WMS"),"version="+(i.version||"1.1.1"),"request="+(i.request||"GetMap"),"srs="+(i.srs||"EPSG:3857"),"width="+(i.width||256),"height="+(i.height||256),"layers="+t].join("&");return a},exports.getTileBBox=function(e,t,r){t=Math.pow(2,r)-t-1;var o=exports.getMercCoords(256*e,256*t,r),s=exports.getMercCoords(256*(e+1),256*(t+1),r);return o[0]+","+o[1]+","+s[0]+","+s[1]},exports.getMercCoords=function(e,t,r){var o=2*Math.PI*6378137/256/Math.pow(2,r),s=e*o-2*Math.PI*6378137/2,i=t*o-2*Math.PI*6378137/2;return[s,i]};
-},{}],195:[function(require,module,exports){
-module.exports={"name":"mapbox-gl","description":"A WebGL interactive maps library","version":"0.21.0","main":"js/mapbox-gl.js","license":"BSD-3-Clause","repository":{"type":"git","url":"git://github.com/mapbox/mapbox-gl-js.git"},"engines":{"node":">=4.0.0"},"dependencies":{"csscolorparser":"^1.0.2","earcut":"^2.0.3","feature-filter":"^2.1.0","geojson-rewind":"^0.1.0","geojson-vt":"^2.2.0","gl-matrix":"^2.3.1","grid-index":"^1.0.0","mapbox-gl-function":"^1.2.1","mapbox-gl-supported":"^1.2.0","mapbox-gl-shaders":"mapbox/mapbox-gl-shaders#4d1f89514bf03536c8e682439df165c33a37122a","mapbox-gl-style-spec":"mapbox/mapbox-gl-style-spec#83b1a3e5837d785af582efd5ed1a212f2df6a4ae","pbf":"^1.3.2","pngjs":"^2.2.0","point-geometry":"^0.0.0","quickselect":"^1.0.0","request":"^2.39.0","resolve-url":"^0.2.1","shelf-pack":"^1.0.0","supercluster":"^2.0.1","unassertify":"^2.0.0","unitbezier":"^0.0.0","vector-tile":"^1.2.1","vt-pbf":"^2.0.2","webworkify":"^1.3.0","whoots-js":"^2.0.0"},"devDependencies":{"benchmark":"~2.1.0","browserify":"^13.0.0","browserify-middleware":"^7.0.0","concat-stream":"1.5.1","coveralls":"^2.11.8","doctrine":"^1.2.1","documentation":"https://github.com/documentationjs/documentation/archive/bb41619c734e59ef3fbc3648610032efcfdaaace.tar.gz","documentation-theme-utils":"3.0.0","envify":"^3.4.0","eslint":"^2.5.3","eslint-config-mourner":"^2.0.0","eslint-plugin-html":"^1.5.1","express":"^4.13.4","gl":"^4.0.1","handlebars":"4.0.5","highlight.js":"9.3.0","istanbul":"^0.4.2","lodash":"^4.13.1","mapbox-gl-test-suite":"mapbox/mapbox-gl-test-suite#dd5b5c93e13f8760bad6c6288d18f286f0a752d4","minifyify":"^7.0.1","nyc":"6.4.0","remark":"4.2.2","remark-html":"3.0.0","sinon":"^1.15.4","st":"^1.0.0","tap":"^5.7.0","through":"^2.3.7","unist-util-visit":"1.1.0","vinyl":"1.1.1","vinyl-fs":"2.4.3","watchify":"^3.2.2"},"browserify":{"transform":["unassertify"]},"browser":{"./js/util/ajax.js":"./js/util/browser/ajax.js","./js/util/browser.js":"./js/util/browser/browser.js","./js/util/canvas.js":"./js/util/browser/canvas.js","./js/util/dom.js":"./js/util/browser/dom.js","./js/util/dispatcher.js":"./js/util/browser/dispatcher.js"},"scripts":{"build-dev":"browserify js/mapbox-gl.js --debug --ignore-transform unassertify --standalone mapboxgl > dist/mapbox-gl-dev.js && tap --no-coverage test/build/dev.test.js","build-docs":"documentation build --github --format html -c documentation.yml --theme ./docs/_theme --output docs/api/","build-min":"browserify js/mapbox-gl.js --debug --plugin [minifyify --map mapbox-gl.js.map --output dist/mapbox-gl.js.map] --standalone mapboxgl > dist/mapbox-gl.js && tap --no-coverage test/build/min.test.js","//":"The 'build' script is invoked by publisher when publishing docs on the mb-pages branch","build":"npm run build-docs","lint":"eslint js test bench server.js docs/_posts/examples/*.html","open-changed-examples":"git diff --name-only mb-pages HEAD -- docs/_posts/examples/*.html | awk '{print \"http://127.0.0.1:4000/mapbox-gl-js/example/\" substr($0,33,length($0)-37)}' | xargs open","start-docs":"npm run build-min && npm run build-docs && jekyll serve -w","start":"node server.js","test-suite":"node test/render.test.js && node test/query.test.js","test":"npm run lint && tap --reporter dot test/js/*/*.js"}}
-},{}]},{},[14])(14)
+},{}],211:[function(require,module,exports){
+var bundleFn=arguments[3],sources=arguments[4],cache=arguments[5],stringify=JSON.stringify;module.exports=function(r,e){function t(r){d[r]=!0;for(var e in sources[r][1]){var n=sources[r][1][e];d[n]||t(n)}}for(var n,o=Object.keys(cache),a=0,i=o.length;a<i;a++){var s=o[a],u=cache[s].exports;if(u===r||u&&u.default===r){n=s;break}}if(!n){n=Math.floor(Math.pow(16,8)*Math.random()).toString(16);for(var f={},a=0,i=o.length;a<i;a++){var s=o[a];f[s]=s}sources[n]=[Function(["require","module","exports"],"("+r+")(self)"),f]}var c=Math.floor(Math.pow(16,8)*Math.random()).toString(16),l={};l[n]=n,sources[c]=[Function(["require"],"var f = require("+stringify(n)+");(f.default ? f.default : f)(self);"),l];var d={};t(c);var g="("+bundleFn+")({"+Object.keys(d).map(function(r){return stringify(r)+":["+sources[r][0]+","+stringify(sources[r][1])+"]"}).join(",")+"},{},["+stringify(c)+"])",v=window.URL||window.webkitURL||window.mozURL||window.msURL,w=new Blob([g],{type:"text/javascript"});if(e&&e.bare)return w;var h=v.createObjectURL(w),b=new Worker(h);return b.objectURL=h,b};
+},{}],212:[function(require,module,exports){
+module.exports.RADIUS=6378137,module.exports.FLATTENING=1/298.257223563,module.exports.POLAR_RADIUS=6356752.3142;
+},{}],213:[function(require,module,exports){
+!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t(e.WhooTS=e.WhooTS||{})}(this,function(e){function t(e,t,r,n,i,s){s=s||{};var f=e+"?"+["bbox="+o(r,n,i),"format="+(s.format||"image/png"),"service="+(s.service||"WMS"),"version="+(s.version||"1.1.1"),"request="+(s.request||"GetMap"),"srs="+(s.srs||"EPSG:3857"),"width="+(s.width||256),"height="+(s.height||256),"layers="+t].join("&");return f}function o(e,t,o){t=Math.pow(2,o)-t-1;var n=r(256*e,256*t,o),i=r(256*(e+1),256*(t+1),o);return n[0]+","+n[1]+","+i[0]+","+i[1]}function r(e,t,o){var r=2*Math.PI*6378137/256/Math.pow(2,o),n=e*r-2*Math.PI*6378137/2,i=t*r-2*Math.PI*6378137/2;return[n,i]}e.getURL=t,e.getTileBBox=o,e.getMercCoords=r,Object.defineProperty(e,"__esModule",{value:!0})});
+},{}],214:[function(require,module,exports){
+module.exports={"version":"0.28.0"}
+},{}]},{},[24])(24)
 });
-
diff --git a/public/templates/data.tmpl b/public/templates/data.tmpl
index 65bc4eb..16983c1 100644
--- a/public/templates/data.tmpl
+++ b/public/templates/data.tmpl
@@ -37,7 +37,7 @@
     container: 'map',
     hash: true
   });
-  map.addControl(new mapboxgl.Navigation());
+  map.addControl(new mapboxgl.NavigationControl());
 
   function generateColor(str) {
     var rgb = [0, 0, 0];
diff --git a/public/templates/viewer.tmpl b/public/templates/viewer.tmpl
index 92dbce5..6ec131e 100644
--- a/public/templates/viewer.tmpl
+++ b/public/templates/viewer.tmpl
@@ -29,7 +29,7 @@
         style: '/styles/{{id}}.json{{&key_query}}',
         hash: true
       });
-      map.addControl(new mapboxgl.Navigation());
+      map.addControl(new mapboxgl.NavigationControl());
     } else {
       var map = L.mapbox.map('map', '/styles/{{id}}/rendered.json{{&key_query}}', { zoomControl: false });
       new L.Control.Zoom({ position: 'topright' }).addTo(map);