From 5a552e2db176b187e4cc0b3fc575e237f9570f6b Mon Sep 17 00:00:00 2001 From: root <39826573+ltkum@users.noreply.github.com> Date: Wed, 31 Oct 2018 17:15:01 +0000 Subject: [PATCH] it's hard coded and it works. --- docs/endpoints.rst | 22 ++++---- public/resources/mapbox-gl.js | 102 +++++++++++++++++----------------- public/resources/mapbox.js | 4 +- public/templates/data.tmpl | 4 +- public/templates/index.tmpl | 22 ++++---- public/templates/viewer.tmpl | 4 +- public/templates/wmts.tmpl | 4 +- src/serve_data.js | 2 +- src/serve_rendered.js | 2 +- src/serve_style.js | 4 +- src/server.js | 22 ++++---- test/metadata.js | 4 +- test/static.js | 2 +- test/style.js | 20 +++---- test/tiles_data.js | 2 +- test/tiles_rendered.js | 2 +- 16 files changed, 111 insertions(+), 111 deletions(-) diff --git a/docs/endpoints.rst b/docs/endpoints.rst index b3a5fa0..c40a63a 100644 --- a/docs/endpoints.rst +++ b/docs/endpoints.rst @@ -6,32 +6,32 @@ If you visit the server on the configured port (default 8080) you can see your m Styles ====== -* Styles are served at ``/styles/{id}/style.json`` (+ array at ``/styles.json``) +* Styles are served at ``/gl-styles/{id}/style.json`` (+ array at ``/styles.json``) - * Sprites at ``/styles/{id}/sprite[@2x].{format}`` + * Sprites at ``/gl-styles/{id}/sprite[@2x].{format}`` * Fonts at ``/fonts/{fontstack}/{start}-{end}.pbf`` Rendered tiles ============== -* Rendered tiles are served at ``/styles/{id}/{z}/{x}/{y}[@2x].{format}`` +* Rendered tiles are served at ``/gl-styles/{id}/{z}/{x}/{y}[@2x].{format}`` * The optional ``@2x`` (or ``@3x``, ``@4x``) part can be used to render HiDPI (retina) tiles * Available formats: ``png``, ``jpg`` (``jpeg``), ``webp`` - * TileJSON at ``/styles/{id}.json`` + * TileJSON at ``/gl-styles/{id}.json`` * The rendered tiles are not available in the ``tileserver-gl-light`` version. WMTS Capabilities ============== -* WMTS Capabilities are served at ``/styles/{id}/wmts.xml`` +* WMTS Capabilities are served at ``/gl-styles/{id}/wmts.xml`` Static images ============= * Several endpoints: - * ``/styles/{id}/static/{lon},{lat},{zoom}[@{bearing}[,{pitch}]]/{width}x{height}[@2x].{format}`` (center-based) - * ``/styles/{id}/static/{minx},{miny},{maxx},{maxy}/{width}x{height}[@2x].{format}`` (area-based) - * ``/styles/{id}/static/auto/{width}x{height}[@2x].{format}`` (autofit path -- see below) + * ``/gl-styles/{id}/static/{lon},{lat},{zoom}[@{bearing}[,{pitch}]]/{width}x{height}[@2x].{format}`` (center-based) + * ``/gl-styles/{id}/static/{minx},{miny},{maxx},{maxy}/{width}x{height}[@2x].{format}`` (area-based) + * ``/gl-styles/{id}/static/auto/{width}x{height}[@2x].{format}`` (autofit path -- see below) * All the static image endpoints additionally support following query parameters: @@ -47,19 +47,19 @@ Static images * value of ``0.1`` means "add 10% size to each side to make sure the area of interest is nicely visible" -* You can also use (experimental) ``/styles/{id}/static/raw/...`` endpoints with raw spherical mercator coordinates (EPSG:3857) instead of WGS84. +* You can also use (experimental) ``/gl-styles/{id}/static/raw/...`` endpoints with raw spherical mercator coordinates (EPSG:3857) instead of WGS84. * The static images are not available in the ``tileserver-gl-light`` version. Source data =========== -* Source data are served at ``/data/{mbtiles}/{z}/{x}/{y}.{format}`` +* Source data are served at ``/mbtiles/{mbtiles}/{z}/{x}/{y}.{format}`` * Format depends on the source file (usually ``png`` or ``pbf``) * ``geojson`` is also available (useful for inspecting the tiles) in case the original format is ``pbf`` - * TileJSON at ``/data/{mbtiles}.json`` + * TileJSON at ``/mbtiles/{mbtiles}.json`` TileJSON arrays =============== diff --git a/public/resources/mapbox-gl.js b/public/resources/mapbox-gl.js index fe1e747..18363f3 100644 --- a/public/resources/mapbox-gl.js +++ b/public/resources/mapbox-gl.js @@ -152,8 +152,8 @@ arguments[4][53][0].apply(exports,arguments) },{"../util/util":285,"./lng_lat_bounds":75}],75:[function(_dereq_,module,exports){ "use strict";var LngLat=_dereq_("./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=t instanceof LngLat?new LngLat(t.lng,t.lat):LngLat.convert(t),this},LngLatBounds.prototype.setSouthWest=function(t){return this._sw=t instanceof LngLat?new LngLat(t.lng,t.lat):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":74}],76:[function(_dereq_,module,exports){ -"use strict";var LngLat=_dereq_("./lng_lat"),Point=_dereq_("@mapbox/point-geometry"),Coordinate=_dereq_("./coordinate"),util=_dereq_("../util/util"),interp=_dereq_("../style-spec/util/interpolate").number,tileCover=_dereq_("../util/tile_cover"),ref=_dereq_("../source/tile_id"),CanonicalTileID=ref.CanonicalTileID,UnwrappedTileID=ref.UnwrappedTileID,EXTENT=_dereq_("../data/extent"),glmatrix=_dereq_("@mapbox/gl-matrix"),vec4=glmatrix.vec4,mat4=glmatrix.mat4,mat2=glmatrix.mat2,Transform=function(t,i,o){this.tileSize=512,this._renderWorldCopies=void 0===o||o,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._fov=.6435011087932844,this._pitch=0,this._unmodified=!0,this._posMatrixCache={}},prototypeAccessors={minZoom:{},maxZoom:{},renderWorldCopies:{},worldSize:{},centerPoint:{},size:{},bearing:{},pitch:{},fov:{},zoom:{},center:{},unmodified:{},x:{},y:{},point:{}};Transform.prototype.clone=function(){var t=new Transform(this._minZoom,this._maxZoom,this._renderWorldCopies);return t.tileSize=this.tileSize,t.latRange=this.latRange,t.width=this.width,t.height=this.height,t._center=this._center,t.zoom=this.zoom,t.angle=this.angle,t._fov=this._fov,t._pitch=this._pitch,t._unmodified=this._unmodified,t._calcMatrices(),t},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.renderWorldCopies.get=function(){return this._renderWorldCopies},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.fov.get=function(){return this._fov/Math.PI*180},prototypeAccessors.fov.set=function(t){t=Math.max(.01,Math.min(60,t)),this._fov!==t&&(this._unmodified=!1,this._fov=t/180*Math.PI,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.getVisibleUnwrappedCoordinates=function(t){for(var i=this.pointCoordinate(new Point(0,0),0),o=this.pointCoordinate(new Point(this.width,0),0),e=Math.floor(i.column),r=Math.floor(o.column),n=[new UnwrappedTileID(0,t)],s=e;s<=r;s++)0!==s&&n.push(new UnwrappedTileID(s,t));return n},Transform.prototype.coveringTiles=function(t){var i=this.coveringZoomLevel(t),o=i;if(void 0!==t.minzoom&&it.maxzoom&&(i=t.maxzoom);var e=this.pointCoordinate(this.centerPoint,i),r=new Point(e.column-.5,e.row-.5),n=[this.pointCoordinate(new Point(0,0),i),this.pointCoordinate(new Point(this.width,0),i),this.pointCoordinate(new Point(this.width,this.height),i),this.pointCoordinate(new Point(0,this.height),i)];return tileCover(i,n,t.reparseOverscaled?o:i,this._renderWorldCopies).sort(function(t,i){return r.dist(t.canonical)-r.dist(i.canonical)})},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){return new Point(this.lngX(t.lng),this.latY(t.lat))},Transform.prototype.unproject=function(t){return new LngLat(this.xLng(t.x),this.yLat(t.y))},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){return(180+t)*this.worldSize/360},Transform.prototype.latY=function(t){return(180-180/Math.PI*Math.log(Math.tan(Math.PI/4+t*Math.PI/360)))*this.worldSize/360},Transform.prototype.xLng=function(t){return 360*t/this.worldSize-180},Transform.prototype.yLat=function(t){var i=180-360*t/this.worldSize;return 360/Math.PI*Math.atan(Math.exp(i*Math.PI/180))-90},Transform.prototype.setLocationAtPoint=function(t,i){var o=this.pointCoordinate(i)._sub(this.pointCoordinate(this.centerPoint));this.center=this.coordinateLocation(this.locationCoordinate(t)._sub(o)),this._renderWorldCopies&&(this.center=this.center.wrap())},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){return new Coordinate(this.lngX(t.lng)/this.tileSize,this.latY(t.lat)/this.tileSize,this.zoom).zoomTo(this.tileZoom)},Transform.prototype.coordinateLocation=function(t){var i=t.zoomTo(this.zoom);return new LngLat(this.xLng(i.column*this.tileSize),this.yLat(i.row*this.tileSize))},Transform.prototype.pointCoordinate=function(t,i){void 0===i&&(i=this.tileZoom);var 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,p=o[2]/r,m=e[2]/n,l=p===m?0:(0-p)/(m-p);return new Coordinate(interp(s,a,l)/this.tileSize,interp(h,c,l)/this.tileSize,this.zoom)._zoomTo(i)},Transform.prototype.coordinatePoint=function(t){var i=t.zoomTo(this.zoom),o=[i.column*this.tileSize,i.row*this.tileSize,0,1];return vec4.transformMat4(o,o,this.pixelMatrix),new Point(o[0]/o[3],o[1]/o[3])},Transform.prototype.calculatePosMatrix=function(t){var i=t.key;if(this._posMatrixCache[i])return this._posMatrixCache[i];var o=t.canonical,e=this.worldSize/this.zoomScale(o.z),r=o.x+Math.pow(2,o.z)*t.wrap,n=mat4.identity(new Float64Array(16));return mat4.translate(n,n,[r*e,o.y*e,0]),mat4.scale(n,n,[e/EXTENT,e/EXTENT,1]),mat4.multiply(n,this.projMatrix,n),this._posMatrixCache[i]=new Float32Array(n),this._posMatrixCache[i]},Transform.prototype._constrain=function(){if(this.center&&this.width&&this.height&&!this._constraining){this._constraining=!0;var t,i,o,e,r=-90,n=90,s=-180,a=180,h=this.size,c=this._unmodified;if(this.latRange){var p=this.latRange;r=this.latY(p[1]),n=this.latY(p[0]),t=n-rn&&(e=n-f)}if(this.lngRange){var d=this.x,g=h.x/2;d-ga&&(o=a-g)}void 0===o&&void 0===e||(this.center=this.unproject(new Point(void 0!==o?o:this.x,void 0!==e?e:this.y))),this._unmodified=c,this._constraining=!1}},Transform.prototype._calcMatrices=function(){if(this.height){this.cameraToCenterDistance=.5/Math.tan(this._fov/2)*this.height;var t=this._fov/2,i=Math.PI/2+this._pitch,o=Math.sin(t)*this.cameraToCenterDistance/Math.sin(Math.PI-i-t),e=Math.cos(Math.PI/2-this._pitch)*o+this.cameraToCenterDistance,r=1.01*e,n=new Float64Array(16);mat4.perspective(n,this._fov,this.width/this.height,1,r),mat4.scale(n,n,[1,-1,1]),mat4.translate(n,n,[0,0,-this.cameraToCenterDistance]),mat4.rotateX(n,n,this._pitch),mat4.rotateZ(n,n,this.angle),mat4.translate(n,n,[-this.x,-this.y,0]);var s=this.worldSize/(2*Math.PI*6378137*Math.abs(Math.cos(this.center.lat*(Math.PI/180))));if(mat4.scale(n,n,[1,1,s,1]),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)))throw new Error("failed to invert matrix");this.pixelMatrixInverse=n,this._posMatrixCache={}}},Object.defineProperties(Transform.prototype,prototypeAccessors),module.exports=Transform; -},{"../data/extent":65,"../source/tile_id":126,"../style-spec/util/interpolate":169,"../util/tile_cover":283,"../util/util":285,"./coordinate":73,"./lng_lat":74,"@mapbox/gl-matrix":2,"@mapbox/point-geometry":4}],77:[function(_dereq_,module,exports){ +"use strict";var LngLat=_dereq_("./lng_lat"),Point=_dereq_("@mapbox/point-geometry"),Coordinate=_dereq_("./coordinate"),util=_dereq_("../util/util"),interp=_dereq_("../style-spec/util/interpolate").number,tileCover=_dereq_("../util/tile_cover"),ref=_dereq_("../source/tile_id"),CanonicalTileID=ref.CanonicalTileID,UnwrappedTileID=ref.UnwrappedTileID,EXTENT=_dereq_("../mbtiles/extent"),glmatrix=_dereq_("@mapbox/gl-matrix"),vec4=glmatrix.vec4,mat4=glmatrix.mat4,mat2=glmatrix.mat2,Transform=function(t,i,o){this.tileSize=512,this._renderWorldCopies=void 0===o||o,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._fov=.6435011087932844,this._pitch=0,this._unmodified=!0,this._posMatrixCache={}},prototypeAccessors={minZoom:{},maxZoom:{},renderWorldCopies:{},worldSize:{},centerPoint:{},size:{},bearing:{},pitch:{},fov:{},zoom:{},center:{},unmodified:{},x:{},y:{},point:{}};Transform.prototype.clone=function(){var t=new Transform(this._minZoom,this._maxZoom,this._renderWorldCopies);return t.tileSize=this.tileSize,t.latRange=this.latRange,t.width=this.width,t.height=this.height,t._center=this._center,t.zoom=this.zoom,t.angle=this.angle,t._fov=this._fov,t._pitch=this._pitch,t._unmodified=this._unmodified,t._calcMatrices(),t},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.renderWorldCopies.get=function(){return this._renderWorldCopies},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.fov.get=function(){return this._fov/Math.PI*180},prototypeAccessors.fov.set=function(t){t=Math.max(.01,Math.min(60,t)),this._fov!==t&&(this._unmodified=!1,this._fov=t/180*Math.PI,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.getVisibleUnwrappedCoordinates=function(t){for(var i=this.pointCoordinate(new Point(0,0),0),o=this.pointCoordinate(new Point(this.width,0),0),e=Math.floor(i.column),r=Math.floor(o.column),n=[new UnwrappedTileID(0,t)],s=e;s<=r;s++)0!==s&&n.push(new UnwrappedTileID(s,t));return n},Transform.prototype.coveringTiles=function(t){var i=this.coveringZoomLevel(t),o=i;if(void 0!==t.minzoom&&it.maxzoom&&(i=t.maxzoom);var e=this.pointCoordinate(this.centerPoint,i),r=new Point(e.column-.5,e.row-.5),n=[this.pointCoordinate(new Point(0,0),i),this.pointCoordinate(new Point(this.width,0),i),this.pointCoordinate(new Point(this.width,this.height),i),this.pointCoordinate(new Point(0,this.height),i)];return tileCover(i,n,t.reparseOverscaled?o:i,this._renderWorldCopies).sort(function(t,i){return r.dist(t.canonical)-r.dist(i.canonical)})},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){return new Point(this.lngX(t.lng),this.latY(t.lat))},Transform.prototype.unproject=function(t){return new LngLat(this.xLng(t.x),this.yLat(t.y))},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){return(180+t)*this.worldSize/360},Transform.prototype.latY=function(t){return(180-180/Math.PI*Math.log(Math.tan(Math.PI/4+t*Math.PI/360)))*this.worldSize/360},Transform.prototype.xLng=function(t){return 360*t/this.worldSize-180},Transform.prototype.yLat=function(t){var i=180-360*t/this.worldSize;return 360/Math.PI*Math.atan(Math.exp(i*Math.PI/180))-90},Transform.prototype.setLocationAtPoint=function(t,i){var o=this.pointCoordinate(i)._sub(this.pointCoordinate(this.centerPoint));this.center=this.coordinateLocation(this.locationCoordinate(t)._sub(o)),this._renderWorldCopies&&(this.center=this.center.wrap())},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){return new Coordinate(this.lngX(t.lng)/this.tileSize,this.latY(t.lat)/this.tileSize,this.zoom).zoomTo(this.tileZoom)},Transform.prototype.coordinateLocation=function(t){var i=t.zoomTo(this.zoom);return new LngLat(this.xLng(i.column*this.tileSize),this.yLat(i.row*this.tileSize))},Transform.prototype.pointCoordinate=function(t,i){void 0===i&&(i=this.tileZoom);var 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,p=o[2]/r,m=e[2]/n,l=p===m?0:(0-p)/(m-p);return new Coordinate(interp(s,a,l)/this.tileSize,interp(h,c,l)/this.tileSize,this.zoom)._zoomTo(i)},Transform.prototype.coordinatePoint=function(t){var i=t.zoomTo(this.zoom),o=[i.column*this.tileSize,i.row*this.tileSize,0,1];return vec4.transformMat4(o,o,this.pixelMatrix),new Point(o[0]/o[3],o[1]/o[3])},Transform.prototype.calculatePosMatrix=function(t){var i=t.key;if(this._posMatrixCache[i])return this._posMatrixCache[i];var o=t.canonical,e=this.worldSize/this.zoomScale(o.z),r=o.x+Math.pow(2,o.z)*t.wrap,n=mat4.identity(new Float64Array(16));return mat4.translate(n,n,[r*e,o.y*e,0]),mat4.scale(n,n,[e/EXTENT,e/EXTENT,1]),mat4.multiply(n,this.projMatrix,n),this._posMatrixCache[i]=new Float32Array(n),this._posMatrixCache[i]},Transform.prototype._constrain=function(){if(this.center&&this.width&&this.height&&!this._constraining){this._constraining=!0;var t,i,o,e,r=-90,n=90,s=-180,a=180,h=this.size,c=this._unmodified;if(this.latRange){var p=this.latRange;r=this.latY(p[1]),n=this.latY(p[0]),t=n-rn&&(e=n-f)}if(this.lngRange){var d=this.x,g=h.x/2;d-ga&&(o=a-g)}void 0===o&&void 0===e||(this.center=this.unproject(new Point(void 0!==o?o:this.x,void 0!==e?e:this.y))),this._unmodified=c,this._constraining=!1}},Transform.prototype._calcMatrices=function(){if(this.height){this.cameraToCenterDistance=.5/Math.tan(this._fov/2)*this.height;var t=this._fov/2,i=Math.PI/2+this._pitch,o=Math.sin(t)*this.cameraToCenterDistance/Math.sin(Math.PI-i-t),e=Math.cos(Math.PI/2-this._pitch)*o+this.cameraToCenterDistance,r=1.01*e,n=new Float64Array(16);mat4.perspective(n,this._fov,this.width/this.height,1,r),mat4.scale(n,n,[1,-1,1]),mat4.translate(n,n,[0,0,-this.cameraToCenterDistance]),mat4.rotateX(n,n,this._pitch),mat4.rotateZ(n,n,this.angle),mat4.translate(n,n,[-this.x,-this.y,0]);var s=this.worldSize/(2*Math.PI*6378137*Math.abs(Math.cos(this.center.lat*(Math.PI/180))));if(mat4.scale(n,n,[1,1,s,1]),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)))throw new Error("failed to invert matrix");this.pixelMatrixInverse=n,this._posMatrixCache={}}},Object.defineProperties(Transform.prototype,prototypeAccessors),module.exports=Transform; +},{"../mbtiles/extent":65,"../source/tile_id":126,"../style-spec/util/interpolate":169,"../util/tile_cover":283,"../util/util":285,"./coordinate":73,"./lng_lat":74,"@mapbox/gl-matrix":2,"@mapbox/point-geometry":4}],77:[function(_dereq_,module,exports){ "use strict";var Color=_dereq_("../style-spec/util/color"),ZERO=0,ONE=1,ONE_MINUS_SRC_ALPHA=771,ColorMode=function(o,e,l){this.blendFunction=o,this.blendColor=e,this.mask=l};ColorMode.Replace=[ONE,ZERO],ColorMode.disabled=new ColorMode(ColorMode.Replace,Color.transparent,[!1,!1,!1,!1]),ColorMode.unblended=new ColorMode(ColorMode.Replace,Color.transparent,[!0,!0,!0,!0]),ColorMode.alphaBlended=new ColorMode([ONE,ONE_MINUS_SRC_ALPHA],Color.transparent,[!0,!0,!0,!0]),module.exports=ColorMode; },{"../style-spec/util/color":165}],78:[function(_dereq_,module,exports){ "use strict";var IndexBuffer=_dereq_("./index_buffer"),VertexBuffer=_dereq_("./vertex_buffer"),Framebuffer=_dereq_("./framebuffer"),DepthMode=_dereq_("./depth_mode"),StencilMode=_dereq_("./stencil_mode"),ColorMode=_dereq_("./color_mode"),util=_dereq_("../util/util"),ref=_dereq_("./value"),ClearColor=ref.ClearColor,ClearDepth=ref.ClearDepth,ClearStencil=ref.ClearStencil,ColorMask=ref.ColorMask,DepthMask=ref.DepthMask,StencilMask=ref.StencilMask,StencilFunc=ref.StencilFunc,StencilOp=ref.StencilOp,StencilTest=ref.StencilTest,DepthRange=ref.DepthRange,DepthTest=ref.DepthTest,DepthFunc=ref.DepthFunc,Blend=ref.Blend,BlendFunc=ref.BlendFunc,BlendColor=ref.BlendColor,Program=ref.Program,LineWidth=ref.LineWidth,ActiveTextureUnit=ref.ActiveTextureUnit,Viewport=ref.Viewport,BindFramebuffer=ref.BindFramebuffer,BindRenderbuffer=ref.BindRenderbuffer,BindTexture=ref.BindTexture,BindVertexBuffer=ref.BindVertexBuffer,BindElementBuffer=ref.BindElementBuffer,BindVertexArrayOES=ref.BindVertexArrayOES,PixelStoreUnpack=ref.PixelStoreUnpack,PixelStoreUnpackPremultiplyAlpha=ref.PixelStoreUnpackPremultiplyAlpha,Context=function(e){this.gl=e,this.extVertexArrayObject=this.gl.getExtension("OES_vertex_array_object"),this.lineWidthRange=e.getParameter(e.ALIASED_LINE_WIDTH_RANGE),this.clearColor=new ClearColor(this),this.clearDepth=new ClearDepth(this),this.clearStencil=new ClearStencil(this),this.colorMask=new ColorMask(this),this.depthMask=new DepthMask(this),this.stencilMask=new StencilMask(this),this.stencilFunc=new StencilFunc(this),this.stencilOp=new StencilOp(this),this.stencilTest=new StencilTest(this),this.depthRange=new DepthRange(this),this.depthTest=new DepthTest(this),this.depthFunc=new DepthFunc(this),this.blend=new Blend(this),this.blendFunc=new BlendFunc(this),this.blendColor=new BlendColor(this),this.program=new Program(this),this.lineWidth=new LineWidth(this),this.activeTexture=new ActiveTextureUnit(this),this.viewport=new Viewport(this),this.bindFramebuffer=new BindFramebuffer(this),this.bindRenderbuffer=new BindRenderbuffer(this),this.bindTexture=new BindTexture(this),this.bindVertexBuffer=new BindVertexBuffer(this),this.bindElementBuffer=new BindElementBuffer(this),this.bindVertexArrayOES=this.extVertexArrayObject&&new BindVertexArrayOES(this),this.pixelStoreUnpack=new PixelStoreUnpack(this),this.pixelStoreUnpackPremultiplyAlpha=new PixelStoreUnpackPremultiplyAlpha(this),this.extTextureFilterAnisotropic=e.getExtension("EXT_texture_filter_anisotropic")||e.getExtension("MOZ_EXT_texture_filter_anisotropic")||e.getExtension("WEBKIT_EXT_texture_filter_anisotropic"),this.extTextureFilterAnisotropic&&(this.extTextureFilterAnisotropicMax=e.getParameter(this.extTextureFilterAnisotropic.MAX_TEXTURE_MAX_ANISOTROPY_EXT)),this.extTextureHalfFloat=e.getExtension("OES_texture_half_float"),this.extTextureHalfFloat&&e.getExtension("OES_texture_half_float_linear")};Context.prototype.createIndexBuffer=function(e,t){return new IndexBuffer(this,e,t)},Context.prototype.createVertexBuffer=function(e,t,r){return new VertexBuffer(this,e,t,r)},Context.prototype.createRenderbuffer=function(e,t,r){var i=this.gl,n=i.createRenderbuffer();return this.bindRenderbuffer.set(n),i.renderbufferStorage(i.RENDERBUFFER,e,t,r),this.bindRenderbuffer.set(null),n},Context.prototype.createFramebuffer=function(e,t){return new Framebuffer(this,e,t)},Context.prototype.clear=function(e){var t=e.color,r=e.depth,i=this.gl,n=0;t&&(n|=i.COLOR_BUFFER_BIT,this.clearColor.set(t),this.colorMask.set([!0,!0,!0,!0])),void 0!==r&&(n|=i.DEPTH_BUFFER_BIT,this.clearDepth.set(r),this.depthMask.set(!0)),i.clear(n)},Context.prototype.setDepthMode=function(e){e.func!==this.gl.ALWAYS||e.mask?(this.depthTest.set(!0),this.depthFunc.set(e.func),this.depthMask.set(e.mask),this.depthRange.set(e.range)):this.depthTest.set(!1)},Context.prototype.setStencilMode=function(e){e.func!==this.gl.ALWAYS||e.mask?(this.stencilTest.set(!0),this.stencilMask.set(e.mask),this.stencilOp.set([e.fail,e.depthFail,e.pass]),this.stencilFunc.set({func:e.test.func,ref:e.ref,mask:e.test.mask})):this.stencilTest.set(!1)},Context.prototype.setColorMode=function(e){util.deepEqual(e.blendFunction,ColorMode.Replace)?this.blend.set(!1):(this.blend.set(!0),this.blendFunc.set(e.blendFunction),this.blendColor.set(e.blendColor)),this.colorMask.set(e.mask)},module.exports=Context; @@ -172,22 +172,22 @@ arguments[4][53][0].apply(exports,arguments) },{}],85:[function(_dereq_,module,exports){ "use strict";var supported=_dereq_("@mapbox/mapbox-gl-supported"),browser=_dereq_("./util/browser"),version=_dereq_("../package.json").version,Map=_dereq_("./ui/map"),NavigationControl=_dereq_("./ui/control/navigation_control"),GeolocateControl=_dereq_("./ui/control/geolocate_control"),AttributionControl=_dereq_("./ui/control/attribution_control"),ScaleControl=_dereq_("./ui/control/scale_control"),FullscreenControl=_dereq_("./ui/control/fullscreen_control"),Popup=_dereq_("./ui/popup"),Marker=_dereq_("./ui/marker"),Style=_dereq_("./style/style"),LngLat=_dereq_("./geo/lng_lat"),LngLatBounds=_dereq_("./geo/lng_lat_bounds"),Point=_dereq_("@mapbox/point-geometry"),Evented=_dereq_("./util/evented"),config=_dereq_("./util/config"),rtlTextPlugin=_dereq_("./source/rtl_text_plugin");module.exports={version:version,supported:supported,workerCount:Math.max(Math.floor(browser.hardwareConcurrency/2),1),setRTLTextPlugin:rtlTextPlugin.setRTLTextPlugin,Map:Map,NavigationControl:NavigationControl,GeolocateControl:GeolocateControl,AttributionControl:AttributionControl,ScaleControl:ScaleControl,FullscreenControl:FullscreenControl,Popup:Popup,Marker:Marker,Style:Style,LngLat:LngLat,LngLatBounds:LngLatBounds,Point:Point,Evented:Evented,config:config,get accessToken(){return config.ACCESS_TOKEN},set accessToken(o){config.ACCESS_TOKEN=o}}; },{"../package.json":50,"./geo/lng_lat":74,"./geo/lng_lat_bounds":75,"./source/rtl_text_plugin":121,"./style/style":201,"./ui/control/attribution_control":243,"./ui/control/fullscreen_control":244,"./ui/control/geolocate_control":245,"./ui/control/navigation_control":247,"./ui/control/scale_control":248,"./ui/map":258,"./ui/marker":259,"./ui/popup":260,"./util/browser":263,"./util/config":267,"./util/evented":271,"@mapbox/mapbox-gl-supported":3,"@mapbox/point-geometry":4}],86:[function(_dereq_,module,exports){ -"use strict";function drawBackground(e,r,t){var a=t.paint.get("background-color"),o=t.paint.get("background-opacity");if(0!==o){var i=e.context,l=i.gl,n=e.transform,s=n.tileSize,u=t.paint.get("background-pattern"),d={zoom:n.zoom},p=u||1!==a.a||1!==o?"translucent":"opaque";if(e.renderPass===p){i.setStencilMode(StencilMode.disabled),i.setDepthMode(e.depthModeForSublayer(0,"opaque"===p?DepthMode.ReadWrite:DepthMode.ReadOnly)),i.setColorMode(e.colorModeForRenderPass());var f=new PossiblyEvaluated(fillLayerPaintProperties);f._values["background-color"]=new PossiblyEvaluatedPropertyValue(fillLayerPaintProperties.properties["fill-color"],{kind:"constant",value:a},d),f._values["background-opacity"]=new PossiblyEvaluatedPropertyValue(fillLayerPaintProperties.properties["fill-opacity"],{kind:"constant",value:o},d);var P;if(u){if(pattern.isPatternMissing(u,e))return;var g=ProgramConfiguration.forBackgroundPattern(o);P=e.useProgram("fillPattern",g),g.setUniforms(i,P,f,d),pattern.prepare(u,e,P),e.tileExtentPatternVAO.bind(i,P,e.tileExtentBuffer,[])}else{var c=ProgramConfiguration.forBackgroundColor(a,o);P=e.useProgram("fill",c),c.setUniforms(i,P,f,d),e.tileExtentVAO.bind(i,P,e.tileExtentBuffer,[])}for(var 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+},{"../mbtiles/array_types":51,"../mbtiles/extent":65,"../mbtiles/pos_attributes":69,"../gl/depth_mode":79,"../gl/stencil_mode":82,"../util/browser":263,"./vertex_array_object":107,"@mapbox/gl-matrix":2}],90:[function(_dereq_,module,exports){ "use strict";function drawFill(t,e,r,o){var a=r.paint.get("fill-color"),i=r.paint.get("fill-opacity");if(0!==i.constantOr(1)){var n=t.context;n.setColorMode(t.colorModeForRenderPass());var l=r.paint.get("fill-pattern")||1!==a.constantOr(Color.transparent).a||1!==i.constantOr(0)?"translucent":"opaque";t.renderPass===l&&(n.setDepthMode(t.depthModeForSublayer(1,"opaque"===t.renderPass?DepthMode.ReadWrite:DepthMode.ReadOnly)),drawFillTiles(t,e,r,o,drawFillTile)),"translucent"===t.renderPass&&r.paint.get("fill-antialias")&&(n.lineWidth.set(2),n.setDepthMode(t.depthModeForSublayer(r.getPaintProperty("fill-outline-color")?2:0,DepthMode.ReadOnly)),drawFillTiles(t,e,r,o,drawStrokeTile))}}function drawFillTiles(t,e,r,o,a){if(!pattern.isPatternMissing(r.paint.get("fill-pattern"),t))for(var i=!0,n=0,l=o;n0?1/(1-e):1+e}function saturationFactor(e){return e>0?1-1/(1.001-e):-e}function getFadeValues(e,r,t,a,i){var o=a.paint.get("raster-fade-duration");if(o>0){var n=browser.now(),s=(n-e.timeAdded)/o,u=r?(n-r.timeAdded)/o:-1,d=t.getSource(),f=i.coveringZoomLevel({tileSize:d.tileSize,roundZoom:d.roundZoom}),c=!r||Math.abs(r.tileID.overscaledZ-f)>Math.abs(e.tileID.overscaledZ-f),m=c&&e.refreshedUponExpiration?1:util.clamp(c?s:1-u,0,1);return e.refreshedUponExpiration&&s>=1&&(e.refreshedUponExpiration=!1),r?{opacity:1,mix:1-m}:{opacity:m,mix:0}}return{opacity:1,mix:0}}var util=_dereq_("../util/util"),ImageSource=_dereq_("../source/image_source"),browser=_dereq_("../util/browser"),StencilMode=_dereq_("../gl/stencil_mode"),DepthMode=_dereq_("../gl/depth_mode");module.exports=drawRaster; @@ -204,12 +204,12 @@ arguments[4][53][0].apply(exports,arguments) },{"../util/image":274,"./image_atlas":99,"./texture":105,"@mapbox/shelf-pack":5}],101:[function(_dereq_,module,exports){ "use strict";var util=_dereq_("../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.getDash=function(t,i){var e=t.join(",")+String(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;if(this.nextRow+s>this.height)return util.warnOnce("LineAtlas out of space"),null;for(var a=0,r=0;r=0;this.currentLayer--){var f=t.style._layers[a[t.currentLayer]];f.source!==(d&&d.id)&&(d=t.style.sourceCaches[f.source],p=[],d&&(t.clearStencil(),p=d.getVisibleCoordinates(),d.getSource().isTileClipped&&t._renderTileClippingMasks(p))),t.renderLayer(t,d,f,p)}this.renderPass="translucent";var m,g=[];for(this.currentLayer=0,this.currentLayer;this.currentLayer0?r.pop():null},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]=new Program(this.context,shaders[e],r,this._showOverdrawInspector)),this.cache[t]},Painter.prototype.useProgram=function(e,r){var t=this._createProgramCached(e,r||this.emptyProgramConfiguration);return this.context.program.set(t.program),t},module.exports=Painter; -},{"../data/array_types":51,"../data/extent":65,"../data/pos_attributes":69,"../data/program_configuration":70,"../data/raster_bounds_attributes":71,"../gl/color_mode":77,"../gl/context":78,"../gl/depth_mode":79,"../gl/stencil_mode":82,"../shaders":109,"../source/pixels_to_tile_units":116,"../source/source_cache":123,"../style-spec/util/color":165,"../symbol/cross_tile_symbol_index":229,"../util/browser":263,"../util/util":285,"./draw_background":86,"./draw_circle":87,"./draw_debug":89,"./draw_fill":90,"./draw_fill_extrusion":91,"./draw_heatmap":92,"./draw_hillshade":93,"./draw_line":94,"./draw_raster":95,"./draw_symbol":96,"./program":104,"./texture":105,"./tile_mask":106,"./vertex_array_object":107,"@mapbox/gl-matrix":2}],103:[function(_dereq_,module,exports){ +"use strict";var browser=_dereq_("../util/browser"),mat4=_dereq_("@mapbox/gl-matrix").mat4,SourceCache=_dereq_("../source/source_cache"),EXTENT=_dereq_("../mbtiles/extent"),pixelsToTileUnits=_dereq_("../source/pixels_to_tile_units"),util=_dereq_("../util/util"),VertexArrayObject=_dereq_("./vertex_array_object"),ref=_dereq_("../mbtiles/array_types"),RasterBoundsArray=ref.RasterBoundsArray,PosArray=ref.PosArray,rasterBoundsAttributes=_dereq_("../mbtiles/raster_bounds_attributes"),posAttributes=_dereq_("../mbtiles/pos_attributes"),ref$1=_dereq_("../mbtiles/program_configuration"),ProgramConfiguration=ref$1.ProgramConfiguration,CrossTileSymbolIndex=_dereq_("../symbol/cross_tile_symbol_index"),shaders=_dereq_("../shaders"),Program=_dereq_("./program"),Context=_dereq_("../gl/context"),DepthMode=_dereq_("../gl/depth_mode"),StencilMode=_dereq_("../gl/stencil_mode"),ColorMode=_dereq_("../gl/color_mode"),Texture=_dereq_("./texture"),updateTileMasks=_dereq_("./tile_mask"),Color=_dereq_("../style-spec/util/color"),draw={symbol:_dereq_("./draw_symbol"),circle:_dereq_("./draw_circle"),heatmap:_dereq_("./draw_heatmap"),line:_dereq_("./draw_line"),fill:_dereq_("./draw_fill"),"fill-extrusion":_dereq_("./draw_fill_extrusion"),hillshade:_dereq_("./draw_hillshade"),raster:_dereq_("./draw_raster"),background:_dereq_("./draw_background"),debug:_dereq_("./draw_debug")},Painter=function(e,r){this.context=new Context(e),this.transform=r,this._tileTextures={},this.setup(),this.numSublayers=SourceCache.maxUnderzooming+SourceCache.maxOverzooming+1,this.depthEpsilon=1/Math.pow(2,16),this.depthRboNeedsClear=!0,this.emptyProgramConfiguration=new ProgramConfiguration,this.crossTileSymbolIndex=new CrossTileSymbolIndex};Painter.prototype.resize=function(e,r){var t=this,i=this.context.gl;if(this.width=e*browser.devicePixelRatio,this.height=r*browser.devicePixelRatio,this.context.viewport.set([0,0,this.width,this.height]),this.style)for(var s=0,a=t.style._order;s=0;this.currentLayer--){var f=t.style._layers[a[t.currentLayer]];f.source!==(d&&d.id)&&(d=t.style.sourceCaches[f.source],p=[],d&&(t.clearStencil(),p=d.getVisibleCoordinates(),d.getSource().isTileClipped&&t._renderTileClippingMasks(p))),t.renderLayer(t,d,f,p)}this.renderPass="translucent";var m,g=[];for(this.currentLayer=0,this.currentLayer;this.currentLayer0?r.pop():null},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]=new Program(this.context,shaders[e],r,this._showOverdrawInspector)),this.cache[t]},Painter.prototype.useProgram=function(e,r){var t=this._createProgramCached(e,r||this.emptyProgramConfiguration);return this.context.program.set(t.program),t},module.exports=Painter; +},{"../mbtiles/array_types":51,"../mbtiles/extent":65,"../mbtiles/pos_attributes":69,"../mbtiles/program_configuration":70,"../mbtiles/raster_bounds_attributes":71,"../gl/color_mode":77,"../gl/context":78,"../gl/depth_mode":79,"../gl/stencil_mode":82,"../shaders":109,"../source/pixels_to_tile_units":116,"../source/source_cache":123,"../style-spec/util/color":165,"../symbol/cross_tile_symbol_index":229,"../util/browser":263,"../util/util":285,"./draw_background":86,"./draw_circle":87,"./draw_debug":89,"./draw_fill":90,"./draw_fill_extrusion":91,"./draw_heatmap":92,"./draw_hillshade":93,"./draw_line":94,"./draw_raster":95,"./draw_symbol":96,"./program":104,"./texture":105,"./tile_mask":106,"./vertex_array_object":107,"@mapbox/gl-matrix":2}],103:[function(_dereq_,module,exports){ "use strict";var pixelsToTileUnits=_dereq_("../source/pixels_to_tile_units");exports.isPatternMissing=function(e,i){if(!e)return!1;var r=i.imageManager.getPattern(e.from),t=i.imageManager.getPattern(e.to);return!r||!t},exports.prepare=function(e,i,r){var t=i.context,n=t.gl,o=i.imageManager.getPattern(e.from),a=i.imageManager.getPattern(e.to);n.uniform1i(r.uniforms.u_image,0),n.uniform2fv(r.uniforms.u_pattern_tl_a,o.tl),n.uniform2fv(r.uniforms.u_pattern_br_a,o.br),n.uniform2fv(r.uniforms.u_pattern_tl_b,a.tl),n.uniform2fv(r.uniforms.u_pattern_br_b,a.br);var u=i.imageManager.getPixelSize(),f=u.width,m=u.height;n.uniform2fv(r.uniforms.u_texsize,[f,m]),n.uniform1f(r.uniforms.u_mix,e.t),n.uniform2fv(r.uniforms.u_pattern_size_a,o.displaySize),n.uniform2fv(r.uniforms.u_pattern_size_b,a.displaySize),n.uniform1f(r.uniforms.u_scale_a,e.fromScale),n.uniform1f(r.uniforms.u_scale_b,e.toScale),t.activeTexture.set(n.TEXTURE0),i.imageManager.bind(i.context)},exports.setTile=function(e,i,r){var t=i.context.gl;t.uniform1f(r.uniforms.u_tile_units_to_pixels,1/pixelsToTileUnits(e,1,i.transform.tileZoom));var n=Math.pow(2,e.tileID.overscaledZ),o=e.tileSize*Math.pow(2,i.transform.tileZoom)/n,a=o*(e.tileID.canonical.x+e.tileID.wrap*n),u=o*e.tileID.canonical.y;t.uniform2f(r.uniforms.u_pixel_coord_upper,a>>16,u>>16),t.uniform2f(r.uniforms.u_pixel_coord_lower,65535&a,65535&u)}; },{"../source/pixels_to_tile_units":116}],104:[function(_dereq_,module,exports){ -"use strict";var browser=_dereq_("../util/browser"),shaders=_dereq_("../shaders"),ref=_dereq_("../data/program_configuration"),ProgramConfiguration=ref.ProgramConfiguration,VertexArrayObject=_dereq_("./vertex_array_object"),Context=_dereq_("../gl/context"),Program=function(r,e,t,a){var o=this,i=r.gl;this.program=i.createProgram();var n=t.defines().concat("#define DEVICE_PIXEL_RATIO "+browser.devicePixelRatio.toFixed(1));a&&n.push("#define OVERDRAW_INSPECTOR;");var s=n.concat(shaders.prelude.fragmentSource,e.fragmentSource).join("\n"),m=n.concat(shaders.prelude.vertexSource,e.vertexSource).join("\n"),g=i.createShader(i.FRAGMENT_SHADER);i.shaderSource(g,s),i.compileShader(g),i.attachShader(this.program,g);var c=i.createShader(i.VERTEX_SHADER);i.shaderSource(c,m),i.compileShader(c),i.attachShader(this.program,c);for(var u=t.layoutAttributes||[],h=0;h 0.5) {\n gl_FragColor = vec4(0.0, 0.0, 1.0, 0.5) * alpha;\n }\n\n if (v_notUsed > 0.5) {\n // This box not used, fade it out\n gl_FragColor *= .1;\n }\n}",vertexSource:"attribute vec2 a_pos;\nattribute vec2 a_anchor_pos;\nattribute vec2 a_extrude;\nattribute vec2 a_placed;\n\nuniform mat4 u_matrix;\nuniform vec2 u_extrude_scale;\nuniform float u_camera_to_center_distance;\n\nvarying float v_placed;\nvarying float v_notUsed;\n\nvoid main() {\n vec4 projectedPoint = u_matrix * vec4(a_anchor_pos, 0, 1);\n highp float camera_to_anchor_distance = projectedPoint.w;\n highp float collision_perspective_ratio = 0.5 + 0.5 * (u_camera_to_center_distance / camera_to_anchor_distance);\n\n gl_Position = u_matrix * vec4(a_pos, 0.0, 1.0);\n gl_Position.xy += a_extrude * u_extrude_scale * gl_Position.w * collision_perspective_ratio;\n\n v_placed = a_placed.x;\n v_notUsed = a_placed.y;\n}\n"},collisionCircle:{fragmentSource:"\nvarying float v_placed;\nvarying float v_notUsed;\nvarying float v_radius;\nvarying vec2 v_extrude;\nvarying vec2 v_extrude_scale;\n\nvoid main() {\n float alpha = 0.5;\n\n // Red = collision, hide label\n vec4 color = vec4(1.0, 0.0, 0.0, 1.0) * alpha;\n\n // Blue = no collision, label is showing\n if (v_placed > 0.5) {\n color = vec4(0.0, 0.0, 1.0, 0.5) * alpha;\n }\n\n if (v_notUsed > 0.5) {\n // This box not used, fade it out\n color *= .2;\n }\n\n float extrude_scale_length = length(v_extrude_scale);\n float extrude_length = length(v_extrude) * extrude_scale_length;\n float stroke_width = 3.0;\n float radius = v_radius * extrude_scale_length;\n\n float distance_to_edge = abs(extrude_length - radius);\n float opacity_t = smoothstep(-stroke_width, 0.0, -distance_to_edge);\n\n gl_FragColor = opacity_t * color;\n}\n",vertexSource:"attribute vec2 a_pos;\nattribute vec2 a_anchor_pos;\nattribute vec2 a_extrude;\nattribute vec2 a_placed;\n\nuniform mat4 u_matrix;\nuniform vec2 u_extrude_scale;\nuniform float u_camera_to_center_distance;\n\nvarying float v_placed;\nvarying float v_notUsed;\nvarying float v_radius;\n\nvarying vec2 v_extrude;\nvarying vec2 v_extrude_scale;\n\nvoid main() {\n vec4 projectedPoint = u_matrix * vec4(a_anchor_pos, 0, 1);\n highp float camera_to_anchor_distance = projectedPoint.w;\n highp float collision_perspective_ratio = 0.5 + 0.5 * (camera_to_anchor_distance / u_camera_to_center_distance);\n\n gl_Position = u_matrix * vec4(a_pos, 0.0, 1.0);\n\n highp float padding_factor = 1.2; // Pad the vertices slightly to make room for anti-alias blur\n gl_Position.xy += a_extrude * u_extrude_scale * padding_factor * gl_Position.w / collision_perspective_ratio;\n\n v_placed = a_placed.x;\n v_notUsed = a_placed.y;\n v_radius = abs(a_extrude.y); // We don't pitch the circles, so both units of the extrusion vector are equal in magnitude to the radius\n\n v_extrude = a_extrude * padding_factor;\n v_extrude_scale = u_extrude_scale * u_camera_to_center_distance / collision_perspective_ratio;\n}\n"},debug:{fragmentSource:"uniform highp 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, 0, 1);\n}\n"},fill:{fragmentSource:"#pragma mapbox: define highp vec4 color\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n #pragma mapbox: initialize highp 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 highp vec4 color\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n #pragma mapbox: initialize highp 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 highp vec4 outline_color\n#pragma mapbox: define lowp float opacity\n\nvarying vec2 v_pos;\n\nvoid main() {\n #pragma mapbox: initialize highp vec4 outline_color\n #pragma mapbox: initialize lowp float opacity\n\n float dist = length(v_pos - gl_FragCoord.xy);\n float alpha = 1.0 - smoothstep(0.0, 1.0, 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 highp vec4 outline_color\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n #pragma mapbox: initialize highp 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 vec2 u_texsize;\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_texsize, u_pattern_br_a / u_texsize, 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_texsize, u_pattern_br_b / u_texsize, 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 = 1.0 - smoothstep(0.0, 1.0, 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 vec2 u_texsize;\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_texsize, u_pattern_br_a / u_texsize, 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_texsize, u_pattern_br_b / u_texsize, 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 highp vec4 color\n\nvoid main() {\n #pragma mapbox: initialize lowp float base\n #pragma mapbox: initialize lowp float height\n #pragma mapbox: initialize highp vec4 color\n\n gl_FragColor = v_color;\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"uniform mat4 u_matrix;\nuniform vec3 u_lightcolor;\nuniform lowp vec3 u_lightpos;\nuniform lowp float u_lightintensity;\n\nattribute vec2 a_pos;\nattribute vec4 a_normal_ed;\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 highp vec4 color\n\nvoid main() {\n #pragma mapbox: initialize lowp float base\n #pragma mapbox: initialize lowp float height\n #pragma mapbox: initialize highp vec4 color\n\n vec3 normal = a_normal_ed.xyz;\n\n base = max(0.0, base);\n height = max(0.0, height);\n\n float t = mod(normal.x, 2.0);\n\n gl_Position = u_matrix * vec4(a_pos, t > 0.0 ? height : base, 1);\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(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 (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 vec2 u_texsize;\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_texsize, u_pattern_br_a / u_texsize, 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_texsize, u_pattern_br_b / u_texsize, 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 vec4 a_normal_ed;\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 vec3 normal = a_normal_ed.xyz;\n float edgedistance = a_normal_ed.w;\n\n base = max(0.0, base);\n height = max(0.0, height);\n\n float t = mod(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 = normal.x == 1.0 && normal.y == 0.0 && normal.z == 16384.0\n ? a_pos // extrusion top\n : vec2(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(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 (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_image;\nuniform float u_opacity;\nvarying vec2 v_pos;\n\nvoid main() {\n gl_FragColor = texture2D(u_image, v_pos) * u_opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(0.0);\n#endif\n}\n",vertexSource:"uniform mat4 u_matrix;\nuniform vec2 u_world;\nattribute vec2 a_pos;\nvarying vec2 v_pos;\n\nvoid main() {\n gl_Position = u_matrix * vec4(a_pos * u_world, 0, 1);\n\n v_pos.x = a_pos.x;\n v_pos.y = 1.0 - a_pos.y;\n}\n"},hillshadePrepare:{fragmentSource:"#ifdef GL_ES\nprecision highp float;\n#endif\n\nuniform sampler2D u_image;\nvarying vec2 v_pos;\nuniform vec2 u_dimension;\nuniform float u_zoom;\n\nfloat getElevation(vec2 coord, float bias) {\n // Convert encoded elevation value to meters\n vec4 data = texture2D(u_image, coord) * 255.0;\n return (data.r + data.g * 256.0 + data.b * 256.0 * 256.0) / 4.0;\n}\n\nvoid main() {\n vec2 epsilon = 1.0 / u_dimension;\n\n // queried pixels:\n // +-----------+\n // | | | |\n // | a | b | c |\n // | | | |\n // +-----------+\n // | | | |\n // | d | e | f |\n // | | | |\n // +-----------+\n // | | | |\n // | g | h | i |\n // | | | |\n // +-----------+\n\n float a = getElevation(v_pos + vec2(-epsilon.x, -epsilon.y), 0.0);\n float b = getElevation(v_pos + vec2(0, -epsilon.y), 0.0);\n float c = getElevation(v_pos + vec2(epsilon.x, -epsilon.y), 0.0);\n float d = getElevation(v_pos + vec2(-epsilon.x, 0), 0.0);\n float e = getElevation(v_pos, 0.0);\n float f = getElevation(v_pos + vec2(epsilon.x, 0), 0.0);\n float g = getElevation(v_pos + vec2(-epsilon.x, epsilon.y), 0.0);\n float h = getElevation(v_pos + vec2(0, epsilon.y), 0.0);\n float i = getElevation(v_pos + vec2(epsilon.x, epsilon.y), 0.0);\n\n // here we divide the x and y slopes by 8 * pixel size\n // where pixel size (aka meters/pixel) is:\n // circumference of the world / (pixels per tile * number of tiles)\n // which is equivalent to: 8 * 40075016.6855785 / (512 * pow(2, u_zoom))\n // which can be reduced to: pow(2, 19.25619978527 - u_zoom)\n // we want to vertically exaggerate the hillshading though, because otherwise\n // it is barely noticeable at low zooms. to do this, we multiply this by some\n // scale factor pow(2, (u_zoom - 14) * a) where a is an arbitrary value and 14 is the\n // maxzoom of the tile source. here we use a=0.3 which works out to the\n // expression below. see nickidlugash's awesome breakdown for more info\n // https://github.com/mapbox/mapbox-gl-js/pull/5286#discussion_r148419556\n float exaggeration = u_zoom < 2.0 ? 0.4 : u_zoom < 4.5 ? 0.35 : 0.3;\n\n vec2 deriv = vec2(\n (c + f + f + i) - (a + d + d + g),\n (g + h + h + i) - (a + b + b + c)\n ) / pow(2.0, (u_zoom - 14.0) * exaggeration + 19.2562 - u_zoom);\n\n gl_FragColor = clamp(vec4(\n deriv.x / 2.0 + 0.5,\n deriv.y / 2.0 + 0.5,\n 1.0,\n 1.0), 0.0, 1.0);\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"uniform mat4 u_matrix;\n\nattribute vec2 a_pos;\nattribute vec2 a_texture_pos;\n\nvarying vec2 v_pos;\n\nvoid main() {\n gl_Position = u_matrix * vec4(a_pos, 0, 1);\n v_pos = (a_texture_pos / 8192.0) / 2.0 + 0.25;\n}\n"},hillshade:{fragmentSource:"uniform sampler2D u_image;\nvarying vec2 v_pos;\n\nuniform vec2 u_latrange;\nuniform vec2 u_light;\nuniform vec4 u_shadow;\nuniform vec4 u_highlight;\nuniform vec4 u_accent;\n\n#define PI 3.141592653589793\n\nvoid main() {\n vec4 pixel = texture2D(u_image, v_pos);\n\n vec2 deriv = ((pixel.rg * 2.0) - 1.0);\n\n // We divide the slope by a scale factor based on the cosin of the pixel's approximate latitude\n // to account for mercator projection distortion. see #4807 for details\n float scaleFactor = cos(radians((u_latrange[0] - u_latrange[1]) * (1.0 - v_pos.y) + u_latrange[1]));\n // We also multiply the slope by an arbitrary z-factor of 1.25\n float slope = atan(1.25 * length(deriv) / scaleFactor);\n float aspect = deriv.x != 0.0 ? atan(deriv.y, -deriv.x) : PI / 2.0 * (deriv.y > 0.0 ? 1.0 : -1.0);\n\n float intensity = u_light.x;\n // We add PI to make this property match the global light object, which adds PI/2 to the light's azimuthal\n // position property to account for 0deg corresponding to north/the top of the viewport in the style spec\n // and the original shader was written to accept (-illuminationDirection - 90) as the azimuthal.\n float azimuth = u_light.y + PI;\n\n // We scale the slope exponentially based on intensity, using a calculation similar to\n // the exponential interpolation function in the style spec:\n // https://github.com/mapbox/mapbox-gl-js/blob/master/src/style-spec/expression/definitions/interpolate.js#L217-L228\n // so that higher intensity values create more opaque hillshading.\n float base = 1.875 - intensity * 1.75;\n float maxValue = 0.5 * PI;\n float scaledSlope = intensity != 0.5 ? ((pow(base, slope) - 1.0) / (pow(base, maxValue) - 1.0)) * maxValue : slope;\n\n // The accent color is calculated with the cosine of the slope while the shade color is calculated with the sine\n // so that the accent color's rate of change eases in while the shade color's eases out.\n float accent = cos(scaledSlope);\n // We multiply both the accent and shade color by a clamped intensity value\n // so that intensities >= 0.5 do not additionally affect the color values\n // while intensity values < 0.5 make the overall color more transparent.\n vec4 accent_color = (1.0 - accent) * u_accent * clamp(intensity * 2.0, 0.0, 1.0);\n float shade = abs(mod((aspect + azimuth) / PI + 0.5, 2.0) - 1.0);\n vec4 shade_color = mix(u_shadow, u_highlight, shade) * sin(scaledSlope) * clamp(intensity * 2.0, 0.0, 1.0);\n gl_FragColor = accent_color * (1.0 - shade_color.a) + shade_color;\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"uniform mat4 u_matrix;\n\nattribute vec2 a_pos;\nattribute vec2 a_texture_pos;\n\nvarying vec2 v_pos;\n\nvoid main() {\n gl_Position = u_matrix * vec4(a_pos, 0, 1);\n v_pos = a_texture_pos / 8192.0;\n}\n"},line:{ fragmentSource:"#pragma mapbox: define highp vec4 color\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n\nvarying vec2 v_width2;\nvarying vec2 v_normal;\nvarying float v_gamma_scale;\n\nvoid main() {\n #pragma mapbox: initialize highp vec4 color\n #pragma mapbox: initialize lowp float blur\n #pragma mapbox: initialize lowp float opacity\n\n // Calculate the distance of the pixel from the line in pixels.\n float dist = length(v_normal) * v_width2.s;\n\n // Calculate the antialiasing fade factor. This is either when fading in\n // the line in case of an offset line (v_width2.t) or when fading out\n // (v_width2.s)\n float blur2 = (blur + 1.0 / DEVICE_PIXEL_RATIO) * v_gamma_scale;\n float alpha = clamp(min(dist - (v_width2.t - blur2), v_width2.s - dist) / blur2, 0.0, 1.0);\n\n gl_FragColor = color * (alpha * opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"\n\n// the distance over which the line edge fades out.\n// Retina devices need a smaller distance to avoid aliasing.\n#define ANTIALIASING 1.0 / DEVICE_PIXEL_RATIO / 2.0\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 vec4 a_pos_normal;\nattribute vec4 a_data;\n\nuniform mat4 u_matrix;\nuniform mediump float u_ratio;\nuniform vec2 u_gl_units_to_pixels;\n\nvarying vec2 v_normal;\nvarying vec2 v_width2;\nvarying float v_gamma_scale;\n\n#pragma mapbox: define highp vec4 color\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n#pragma mapbox: define mediump float gapwidth\n#pragma mapbox: define lowp float offset\n#pragma mapbox: define mediump float width\n\nvoid main() {\n #pragma mapbox: initialize highp vec4 color\n #pragma mapbox: initialize lowp float blur\n #pragma mapbox: initialize lowp float opacity\n #pragma mapbox: initialize mediump float gapwidth\n #pragma mapbox: initialize lowp float offset\n #pragma mapbox: initialize mediump float width\n\n vec2 a_extrude = a_data.xy - 128.0;\n float a_direction = mod(a_data.z, 4.0) - 1.0;\n\n vec2 pos = a_pos_normal.xy;\n\n // x is 1 if it's a round cap, 0 otherwise\n // y is 1 if the normal points up, and -1 if it points down\n mediump vec2 normal = a_pos_normal.zw;\n v_normal = normal;\n\n // these transformations used to be applied in the JS and native code bases.\n // moved them into the shader for clarity and simplicity.\n gapwidth = gapwidth / 2.0;\n float halfwidth = width / 2.0;\n offset = -1.0 * offset;\n\n float inset = gapwidth + (gapwidth > 0.0 ? ANTIALIASING : 0.0);\n float outset = gapwidth + halfwidth * (gapwidth > 0.0 ? 2.0 : 1.0) + 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 offset2 = offset * a_extrude * scale * normal.y * mat2(t, -u, u, t);\n\n vec4 projected_extrude = u_matrix * vec4(dist / u_ratio, 0.0, 0.0);\n gl_Position = u_matrix * vec4(pos + offset2 / u_ratio, 0.0, 1.0) + projected_extrude;\n\n // calculate how much the perspective view squishes or stretches the extrude\n float extrude_length_without_perspective = length(dist);\n float extrude_length_with_perspective = length(projected_extrude.xy / gl_Position.w * u_gl_units_to_pixels);\n v_gamma_scale = extrude_length_without_perspective / extrude_length_with_perspective;\n\n v_width2 = vec2(outset, inset);\n}\n"},linePattern:{fragmentSource:"uniform 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 vec2 u_texsize;\nuniform float u_fade;\n\nuniform sampler2D u_image;\n\nvarying vec2 v_normal;\nvarying vec2 v_width2;\nvarying float v_linesofar;\nvarying float v_gamma_scale;\n\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n #pragma mapbox: initialize lowp float blur\n #pragma mapbox: initialize lowp float opacity\n\n // Calculate the distance of the pixel from the line in pixels.\n float dist = length(v_normal) * v_width2.s;\n\n // Calculate the antialiasing fade factor. This is either when fading in\n // the line in case of an offset line (v_width2.t) or when fading out\n // (v_width2.s)\n float blur2 = (blur + 1.0 / DEVICE_PIXEL_RATIO) * v_gamma_scale;\n float alpha = clamp(min(dist - (v_width2.t - blur2), v_width2.s - dist) / blur2, 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_width2.s / u_pattern_size_a.y);\n float y_b = 0.5 + (v_normal.y * v_width2.s / u_pattern_size_b.y);\n vec2 pos_a = mix(u_pattern_tl_a / u_texsize, u_pattern_br_a / u_texsize, vec2(x_a, y_a));\n vec2 pos_b = mix(u_pattern_tl_b / u_texsize, u_pattern_br_b / u_texsize, vec2(x_b, y_b));\n\n vec4 color = mix(texture2D(u_image, pos_a), texture2D(u_image, pos_b), u_fade);\n\n gl_FragColor = color * alpha * 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\n// the distance over which the line edge fades out.\n// Retina devices need a smaller distance to avoid aliasing.\n#define ANTIALIASING 1.0 / DEVICE_PIXEL_RATIO / 2.0\n\nattribute vec4 a_pos_normal;\nattribute vec4 a_data;\n\nuniform mat4 u_matrix;\nuniform mediump float u_ratio;\nuniform vec2 u_gl_units_to_pixels;\n\nvarying vec2 v_normal;\nvarying vec2 v_width2;\nvarying float v_linesofar;\nvarying float v_gamma_scale;\n\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n#pragma mapbox: define lowp float offset\n#pragma mapbox: define mediump float gapwidth\n#pragma mapbox: define mediump float width\n\nvoid main() {\n #pragma mapbox: initialize lowp float blur\n #pragma mapbox: initialize lowp float opacity\n #pragma mapbox: initialize lowp float offset\n #pragma mapbox: initialize mediump float gapwidth\n #pragma mapbox: initialize mediump float width\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 vec2 pos = a_pos_normal.xy;\n\n // x is 1 if it's a round cap, 0 otherwise\n // y is 1 if the normal points up, and -1 if it points down\n mediump vec2 normal = a_pos_normal.zw;\n v_normal = normal;\n\n // these transformations used to be applied in the JS and native code bases.\n // moved them into the shader for clarity and simplicity.\n gapwidth = gapwidth / 2.0;\n float halfwidth = width / 2.0;\n offset = -1.0 * offset;\n\n float inset = gapwidth + (gapwidth > 0.0 ? ANTIALIASING : 0.0);\n float outset = gapwidth + halfwidth * (gapwidth > 0.0 ? 2.0 : 1.0) + 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 offset2 = offset * a_extrude * scale * normal.y * mat2(t, -u, u, t);\n\n vec4 projected_extrude = u_matrix * vec4(dist / u_ratio, 0.0, 0.0);\n gl_Position = u_matrix * vec4(pos + offset2 / u_ratio, 0.0, 1.0) + projected_extrude;\n\n // calculate how much the perspective view squishes or stretches the extrude\n float extrude_length_without_perspective = length(dist);\n float extrude_length_with_perspective = length(projected_extrude.xy / gl_Position.w * u_gl_units_to_pixels);\n v_gamma_scale = extrude_length_without_perspective / extrude_length_with_perspective;\n\n v_linesofar = a_linesofar;\n v_width2 = vec2(outset, inset);\n}\n"},lineSDF:{fragmentSource:"\nuniform sampler2D u_image;\nuniform float u_sdfgamma;\nuniform float u_mix;\n\nvarying vec2 v_normal;\nvarying vec2 v_width2;\nvarying vec2 v_tex_a;\nvarying vec2 v_tex_b;\nvarying float v_gamma_scale;\n\n#pragma mapbox: define highp vec4 color\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n#pragma mapbox: define mediump float width\n#pragma mapbox: define lowp float floorwidth\n\nvoid main() {\n #pragma mapbox: initialize highp vec4 color\n #pragma mapbox: initialize lowp float blur\n #pragma mapbox: initialize lowp float opacity\n #pragma mapbox: initialize mediump float width\n #pragma mapbox: initialize lowp float floorwidth\n\n // Calculate the distance of the pixel from the line in pixels.\n float dist = length(v_normal) * v_width2.s;\n\n // Calculate the antialiasing fade factor. This is either when fading in\n // the line in case of an offset line (v_width2.t) or when fading out\n // (v_width2.s)\n float blur2 = (blur + 1.0 / DEVICE_PIXEL_RATIO) * v_gamma_scale;\n float alpha = clamp(min(dist - (v_width2.t - blur2), v_width2.s - dist) / blur2, 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 / floorwidth, 0.5 + u_sdfgamma / floorwidth, sdfdist);\n\n gl_FragColor = color * (alpha * 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\n// the distance over which the line edge fades out.\n// Retina devices need a smaller distance to avoid aliasing.\n#define ANTIALIASING 1.0 / DEVICE_PIXEL_RATIO / 2.0\n\nattribute vec4 a_pos_normal;\nattribute vec4 a_data;\n\nuniform mat4 u_matrix;\nuniform mediump float u_ratio;\nuniform vec2 u_patternscale_a;\nuniform float u_tex_y_a;\nuniform vec2 u_patternscale_b;\nuniform float u_tex_y_b;\nuniform vec2 u_gl_units_to_pixels;\n\nvarying vec2 v_normal;\nvarying vec2 v_width2;\nvarying vec2 v_tex_a;\nvarying vec2 v_tex_b;\nvarying float v_gamma_scale;\n\n#pragma mapbox: define highp vec4 color\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n#pragma mapbox: define mediump float gapwidth\n#pragma mapbox: define lowp float offset\n#pragma mapbox: define mediump float width\n#pragma mapbox: define lowp float floorwidth\n\nvoid main() {\n #pragma mapbox: initialize highp vec4 color\n #pragma mapbox: initialize lowp float blur\n #pragma mapbox: initialize lowp float opacity\n #pragma mapbox: initialize mediump float gapwidth\n #pragma mapbox: initialize lowp float offset\n #pragma mapbox: initialize mediump float width\n #pragma mapbox: initialize lowp float floorwidth\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 vec2 pos = a_pos_normal.xy;\n\n // x is 1 if it's a round cap, 0 otherwise\n // y is 1 if the normal points up, and -1 if it points down\n mediump vec2 normal = a_pos_normal.zw;\n v_normal = normal;\n\n // these transformations used to be applied in the JS and native code bases.\n // moved them into the shader for clarity and simplicity.\n gapwidth = gapwidth / 2.0;\n float halfwidth = width / 2.0;\n offset = -1.0 * offset;\n\n float inset = gapwidth + (gapwidth > 0.0 ? ANTIALIASING : 0.0);\n float outset = gapwidth + halfwidth * (gapwidth > 0.0 ? 2.0 : 1.0) + 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 offset2 = offset * a_extrude * scale * normal.y * mat2(t, -u, u, t);\n\n vec4 projected_extrude = u_matrix * vec4(dist / u_ratio, 0.0, 0.0);\n gl_Position = u_matrix * vec4(pos + offset2 / u_ratio, 0.0, 1.0) + projected_extrude;\n\n // calculate how much the perspective view squishes or stretches the extrude\n float extrude_length_without_perspective = length(dist);\n float extrude_length_with_perspective = length(projected_extrude.xy / gl_Position.w * u_gl_units_to_pixels);\n v_gamma_scale = extrude_length_without_perspective / extrude_length_with_perspective;\n\n v_tex_a = vec2(a_linesofar * u_patternscale_a.x / floorwidth, normal.y * u_patternscale_a.y + u_tex_y_a);\n v_tex_b = vec2(a_linesofar * u_patternscale_b.x / floorwidth, normal.y * u_patternscale_b.y + u_tex_y_b);\n\n v_width2 = vec2(outset, inset);\n}\n"},raster:{fragmentSource:"uniform float u_fade_t;\nuniform float u_opacity;\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 if (color0.a > 0.0) {\n color0.rgb = color0.rgb / color0.a;\n }\n if (color1.a > 0.0) {\n color1.rgb = color1.rgb / color1.a;\n }\n vec4 color = mix(color0, color1, u_fade_t);\n color.a *= u_opacity;\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, 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 // We are using Int16 for texture position coordinates to give us enough precision for\n // fractional coordinates. We use 8192 to scale the texture coordinates in the buffer\n // as an arbitrarily high number to preserve adequate precision when rendering.\n // This is also the same value as the EXTENT we are using for our tile buffer pos coordinates,\n // so math for modifying either is consistent.\n v_pos0 = (((a_texture_pos / 8192.0) - 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;\n\n#pragma mapbox: define lowp float opacity\n\nvarying vec2 v_tex;\nvarying float v_fade_opacity;\n\nvoid main() {\n #pragma mapbox: initialize lowp float opacity\n\n lowp float alpha = opacity * v_fade_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:"const float PI = 3.141592653589793;\n\nattribute vec4 a_pos_offset;\nattribute vec4 a_data;\nattribute vec3 a_projected_pos;\nattribute float a_fade_opacity;\n\nuniform bool u_is_size_zoom_constant;\nuniform bool u_is_size_feature_constant;\nuniform highp float u_size_t; // used to interpolate between zoom stops when size is a composite function\nuniform highp float u_size; // used when size is both zoom and feature constant\nuniform highp float u_camera_to_center_distance;\nuniform highp float u_pitch;\nuniform bool u_rotate_symbol;\nuniform highp float u_aspect_ratio;\nuniform float u_fade_change;\n\n#pragma mapbox: define lowp float opacity\n\nuniform mat4 u_matrix;\nuniform mat4 u_label_plane_matrix;\nuniform mat4 u_gl_coord_matrix;\n\nuniform bool u_is_text;\nuniform bool u_pitch_with_map;\n\nuniform vec2 u_texsize;\n\nvarying vec2 v_tex;\nvarying float v_fade_opacity;\n\nvoid main() {\n #pragma mapbox: initialize lowp float opacity\n\n vec2 a_pos = a_pos_offset.xy;\n vec2 a_offset = a_pos_offset.zw;\n\n vec2 a_tex = a_data.xy;\n vec2 a_size = a_data.zw;\n\n highp float segment_angle = -a_projected_pos[2];\n\n float size;\n if (!u_is_size_zoom_constant && !u_is_size_feature_constant) {\n size = mix(a_size[0], a_size[1], u_size_t) / 10.0;\n } else if (u_is_size_zoom_constant && !u_is_size_feature_constant) {\n size = a_size[0] / 10.0;\n } else if (!u_is_size_zoom_constant && u_is_size_feature_constant) {\n size = u_size;\n } else {\n size = u_size;\n }\n\n vec4 projectedPoint = u_matrix * vec4(a_pos, 0, 1);\n highp float camera_to_anchor_distance = projectedPoint.w;\n // See comments in symbol_sdf.vertex\n highp float distance_ratio = u_pitch_with_map ?\n camera_to_anchor_distance / u_camera_to_center_distance :\n u_camera_to_center_distance / camera_to_anchor_distance;\n highp float perspective_ratio = 0.5 + 0.5 * distance_ratio;\n\n size *= perspective_ratio;\n\n float fontScale = u_is_text ? size / 24.0 : size;\n\n highp float symbol_rotation = 0.0;\n if (u_rotate_symbol) {\n // See comments in symbol_sdf.vertex\n vec4 offsetProjectedPoint = u_matrix * vec4(a_pos + vec2(1, 0), 0, 1);\n\n vec2 a = projectedPoint.xy / projectedPoint.w;\n vec2 b = offsetProjectedPoint.xy / offsetProjectedPoint.w;\n\n symbol_rotation = atan((b.y - a.y) / u_aspect_ratio, b.x - a.x);\n }\n\n highp float angle_sin = sin(segment_angle + symbol_rotation);\n highp float angle_cos = cos(segment_angle + symbol_rotation);\n mat2 rotation_matrix = mat2(angle_cos, -1.0 * angle_sin, angle_sin, angle_cos);\n\n vec4 projected_pos = u_label_plane_matrix * vec4(a_projected_pos.xy, 0.0, 1.0);\n gl_Position = u_gl_coord_matrix * vec4(projected_pos.xy / projected_pos.w + rotation_matrix * (a_offset / 64.0 * fontScale), 0.0, 1.0);\n\n v_tex = a_tex / u_texsize;\n vec2 fade_opacity = unpack_opacity(a_fade_opacity);\n float fade_change = fade_opacity[1] > 0.5 ? u_fade_change : -u_fade_change;\n v_fade_opacity = max(0.0, min(1.0, fade_opacity[0] + fade_change));\n}\n"},symbolSDF:{fragmentSource:"#define SDF_PX 8.0\n#define EDGE_GAMMA 0.105/DEVICE_PIXEL_RATIO\n\nuniform bool u_is_halo;\n#pragma mapbox: define highp vec4 fill_color\n#pragma mapbox: define highp vec4 halo_color\n#pragma mapbox: define lowp float opacity\n#pragma mapbox: define lowp float halo_width\n#pragma mapbox: define lowp float halo_blur\n\nuniform sampler2D u_texture;\nuniform highp float u_gamma_scale;\nuniform bool u_is_text;\n\nvarying vec2 v_data0;\nvarying vec3 v_data1;\n\nvoid main() {\n #pragma mapbox: initialize highp vec4 fill_color\n #pragma mapbox: initialize highp vec4 halo_color\n #pragma mapbox: initialize lowp float opacity\n #pragma mapbox: initialize lowp float halo_width\n #pragma mapbox: initialize lowp float halo_blur\n\n vec2 tex = v_data0.xy;\n float gamma_scale = v_data1.x;\n float size = v_data1.y;\n float fade_opacity = v_data1[2];\n\n float fontScale = u_is_text ? size / 24.0 : size;\n\n lowp vec4 color = fill_color;\n highp float gamma = EDGE_GAMMA / (fontScale * u_gamma_scale);\n lowp float buff = (256.0 - 64.0) / 256.0;\n if (u_is_halo) {\n color = halo_color;\n gamma = (halo_blur * 1.19 / SDF_PX + EDGE_GAMMA) / (fontScale * u_gamma_scale);\n buff = (6.0 - halo_width / fontScale) / SDF_PX;\n }\n\n lowp float dist = texture2D(u_texture, tex).a;\n highp float gamma_scaled = gamma * gamma_scale;\n highp float alpha = smoothstep(buff - gamma_scaled, buff + gamma_scaled, dist);\n\n gl_FragColor = color * (alpha * opacity * fade_opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"const float PI = 3.141592653589793;\n\nattribute vec4 a_pos_offset;\nattribute vec4 a_data;\nattribute vec3 a_projected_pos;\nattribute float a_fade_opacity;\n\n// contents of a_size vary based on the type of property value\n// used for {text,icon}-size.\n// For constants, a_size is disabled.\n// For source functions, we bind only one value per vertex: the value of {text,icon}-size evaluated for the current feature.\n// For composite functions:\n// [ text-size(lowerZoomStop, feature),\n// text-size(upperZoomStop, feature) ]\nuniform bool u_is_size_zoom_constant;\nuniform bool u_is_size_feature_constant;\nuniform highp float u_size_t; // used to interpolate between zoom stops when size is a composite function\nuniform highp float u_size; // used when size is both zoom and feature constant\n\n#pragma mapbox: define highp vec4 fill_color\n#pragma mapbox: define highp vec4 halo_color\n#pragma mapbox: define lowp float opacity\n#pragma mapbox: define lowp float halo_width\n#pragma mapbox: define lowp float halo_blur\n\nuniform mat4 u_matrix;\nuniform mat4 u_label_plane_matrix;\nuniform mat4 u_gl_coord_matrix;\n\nuniform bool u_is_text;\nuniform bool u_pitch_with_map;\nuniform highp float u_pitch;\nuniform bool u_rotate_symbol;\nuniform highp float u_aspect_ratio;\nuniform highp float u_camera_to_center_distance;\nuniform float u_fade_change;\n\nuniform vec2 u_texsize;\n\nvarying vec2 v_data0;\nvarying vec3 v_data1;\n\nvoid main() {\n #pragma mapbox: initialize highp vec4 fill_color\n #pragma mapbox: initialize highp vec4 halo_color\n #pragma mapbox: initialize lowp float opacity\n #pragma mapbox: initialize lowp float halo_width\n #pragma mapbox: initialize lowp float halo_blur\n\n vec2 a_pos = a_pos_offset.xy;\n vec2 a_offset = a_pos_offset.zw;\n\n vec2 a_tex = a_data.xy;\n vec2 a_size = a_data.zw;\n\n highp float segment_angle = -a_projected_pos[2];\n float size;\n\n if (!u_is_size_zoom_constant && !u_is_size_feature_constant) {\n size = mix(a_size[0], a_size[1], u_size_t) / 10.0;\n } else if (u_is_size_zoom_constant && !u_is_size_feature_constant) {\n size = a_size[0] / 10.0;\n } else if (!u_is_size_zoom_constant && u_is_size_feature_constant) {\n size = u_size;\n } else {\n size = u_size;\n }\n\n vec4 projectedPoint = u_matrix * vec4(a_pos, 0, 1);\n highp float camera_to_anchor_distance = projectedPoint.w;\n // If the label is pitched with the map, layout is done in pitched space,\n // which makes labels in the distance smaller relative to viewport space.\n // We counteract part of that effect by multiplying by the perspective ratio.\n // If the label isn't pitched with the map, we do layout in viewport space,\n // which makes labels in the distance larger relative to the features around\n // them. We counteract part of that effect by dividing by the perspective ratio.\n highp float distance_ratio = u_pitch_with_map ?\n camera_to_anchor_distance / u_camera_to_center_distance :\n u_camera_to_center_distance / camera_to_anchor_distance;\n highp float perspective_ratio = 0.5 + 0.5 * distance_ratio;\n\n size *= perspective_ratio;\n\n float fontScale = u_is_text ? size / 24.0 : size;\n\n highp float symbol_rotation = 0.0;\n if (u_rotate_symbol) {\n // Point labels with 'rotation-alignment: map' are horizontal with respect to tile units\n // To figure out that angle in projected space, we draw a short horizontal line in tile\n // space, project it, and measure its angle in projected space.\n vec4 offsetProjectedPoint = u_matrix * vec4(a_pos + vec2(1, 0), 0, 1);\n\n vec2 a = projectedPoint.xy / projectedPoint.w;\n vec2 b = offsetProjectedPoint.xy / offsetProjectedPoint.w;\n\n symbol_rotation = atan((b.y - a.y) / u_aspect_ratio, b.x - a.x);\n }\n\n highp float angle_sin = sin(segment_angle + symbol_rotation);\n highp float angle_cos = cos(segment_angle + symbol_rotation);\n mat2 rotation_matrix = mat2(angle_cos, -1.0 * angle_sin, angle_sin, angle_cos);\n\n vec4 projected_pos = u_label_plane_matrix * vec4(a_projected_pos.xy, 0.0, 1.0);\n gl_Position = u_gl_coord_matrix * vec4(projected_pos.xy / projected_pos.w + rotation_matrix * (a_offset / 64.0 * fontScale), 0.0, 1.0);\n float gamma_scale = gl_Position.w;\n\n vec2 tex = a_tex / u_texsize;\n vec2 fade_opacity = unpack_opacity(a_fade_opacity);\n float fade_change = fade_opacity[1] > 0.5 ? u_fade_change : -u_fade_change;\n float interpolated_fade_opacity = max(0.0, min(1.0, fade_opacity[0] + fade_change));\n\n v_data0 = vec2(tex.x, tex.y);\n v_data1 = vec3(gamma_scale, size, interpolated_fade_opacity);\n}\n"}},re=/#pragma mapbox: ([\w]+) ([\w]+) ([\w]+) ([\w]+)/g,loop=function(e){var n=shaders[e],a={};n.fragmentSource=n.fragmentSource.replace(re,function(e,n,t,o,i){return a[i]=!0,"define"===n?"\n#ifndef HAS_UNIFORM_u_"+i+"\nvarying "+t+" "+o+" "+i+";\n#else\nuniform "+t+" "+o+" u_"+i+";\n#endif\n":"\n#ifdef HAS_UNIFORM_u_"+i+"\n "+t+" "+o+" "+i+" = u_"+i+";\n#endif\n"}),n.vertexSource=n.vertexSource.replace(re,function(e,n,t,o,i){var r="float"===o?"vec2":"vec4";return a[i]?"define"===n?"\n#ifndef HAS_UNIFORM_u_"+i+"\nuniform lowp float a_"+i+"_t;\nattribute "+t+" "+r+" a_"+i+";\nvarying "+t+" "+o+" "+i+";\n#else\nuniform "+t+" "+o+" u_"+i+";\n#endif\n":"\n#ifndef HAS_UNIFORM_u_"+i+"\n "+i+" = unpack_mix_"+r+"(a_"+i+", a_"+i+"_t);\n#else\n "+t+" "+o+" "+i+" = u_"+i+";\n#endif\n":"define"===n?"\n#ifndef HAS_UNIFORM_u_"+i+"\nuniform lowp float a_"+i+"_t;\nattribute "+t+" "+r+" a_"+i+";\n#else\nuniform "+t+" "+o+" u_"+i+";\n#endif\n":"\n#ifndef HAS_UNIFORM_u_"+i+"\n "+t+" "+o+" "+i+" = unpack_mix_"+r+"(a_"+i+", a_"+i+"_t);\n#else\n "+t+" "+o+" "+i+" = u_"+i+";\n#endif\n"})};for(var programName in shaders)loop(programName);module.exports=shaders; },{}],110:[function(_dereq_,module,exports){ -"use strict";var ImageSource=_dereq_("./image_source"),window=_dereq_("../util/window"),rasterBoundsAttributes=_dereq_("../data/raster_bounds_attributes"),VertexArrayObject=_dereq_("../render/vertex_array_object"),Texture=_dereq_("../render/texture"),CanvasSource=function(t){function e(e,i,s,a){t.call(this,e,i,s,a),this.options=i,this.animate=void 0===i.animate||i.animate}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.load=function(){if(this.canvas=this.canvas||window.document.getElementById(this.options.canvas),this.width=this.canvas.width,this.height=this.canvas.height,this._hasInvalidDimensions())return this.fire("error",new Error("Canvas dimensions cannot be less than or equal to zero."));this.play=function(){this._playing=!0,this.map._rerender()},this.pause=function(){this._playing=!1},this._finishLoading()},e.prototype.getCanvas=function(){return this.canvas},e.prototype.onAdd=function(t){this.map=t,this.load(),this.canvas&&this.animate&&this.play()},e.prototype.onRemove=function(){this.pause()},e.prototype.prepare=function(){var t=this,e=!1;if(this.canvas.width!==this.width&&(this.width=this.canvas.width,e=!0),this.canvas.height!==this.height&&(this.height=this.canvas.height,e=!0),!this._hasInvalidDimensions()&&0!==Object.keys(this.tiles).length){var i=this.map.painter.context,s=i.gl;this.boundsBuffer||(this.boundsBuffer=i.createVertexBuffer(this._boundsArray,rasterBoundsAttributes.members)),this.boundsVAO||(this.boundsVAO=new VertexArrayObject),this.texture?e?this.texture.update(this.canvas):this._playing&&(this.texture.bind(s.LINEAR,s.CLAMP_TO_EDGE),s.texSubImage2D(s.TEXTURE_2D,0,0,0,s.RGBA,s.UNSIGNED_BYTE,this.canvas)):(this.texture=new Texture(i,this.canvas,s.RGBA),this.texture.bind(s.LINEAR,s.CLAMP_TO_EDGE));for(var a in t.tiles){var r=t.tiles[a];"loaded"!==r.state&&(r.state="loaded",r.texture=t.texture)}}},e.prototype.serialize=function(){return{type:"canvas",canvas:this.canvas,coordinates:this.coordinates}},e.prototype.hasTransition=function(){return this._playing},e.prototype._hasInvalidDimensions=function(){for(var t=this,e=0,i=[t.canvas.width,t.canvas.height];e0&&(o[new OverscaledTileID(e.overscaledZ,l,r.z,t,r.y-1).key]={backfilled:!1},o[new OverscaledTileID(e.overscaledZ,e.wrap,r.z,r.x,r.y-1).key]={backfilled:!1},o[new OverscaledTileID(e.overscaledZ,s,r.z,a,r.y-1).key]={backfilled:!1}),r.y+11||(Math.abs(i)>1&&(1===Math.abs(i+o)?i+=o:1===Math.abs(i-o)&&(i-=o)),t.dem&&e.dem&&(e.dem.backfillBorder(t.dem,i,r),e.neighboringTiles&&e.neighboringTiles[a]&&(e.neighboringTiles[a].backfilled=!0)))}for(var i=this,r=this.getRenderableIds(),o=0;ot)){var n=Math.pow(2,s.tileID.canonical.z-e.canonical.z);if(Math.floor(s.tileID.canonical.x/n)===e.canonical.x&&Math.floor(s.tileID.canonical.y/n)===e.canonical.y)for(i[a]=s.tileID,o=!0;s&&s.tileID.overscaledZ-1>e.overscaledZ;){var l=s.tileID.scaledTo(s.tileID.overscaledZ-1);if(!l)break;s=r._tiles[l.key],s&&s.hasData()&&(delete i[a],i[l.key]=l)}}}return o},t.prototype.findLoadedParent=function(e,t,i){for(var r=this,o=e.overscaledZ-1;o>=t;o--){var a=e.scaledTo(o);if(!a)return;var s=String(a.key),n=r._tiles[s];if(n&&n.hasData())return i[s]=a,n;if(r._cache.has(s))return i[s]=a,r._cache.get(s)}},t.prototype.updateCacheSize=function(e){var t=Math.ceil(e.width/this._source.tileSize)+1,i=Math.ceil(e.height/this._source.tileSize)+1,r=t*i,o=Math.floor(5*r),a="number"==typeof this._maxTileCacheSize?Math.min(this._maxTileCacheSize,o):o;this._cache.setMaxSize(a)},t.prototype.update=function(e){var i=this;if(this.transform=e,this._sourceLoaded&&!this._paused){this.updateCacheSize(e),this._coveredTiles={};var r;this.used?this._source.tileID?r=e.getVisibleUnwrappedCoordinates(this._source.tileID).map(function(e){return new OverscaledTileID(e.canonical.z,e.wrap,e.canonical.z,e.canonical.x,e.canonical.y)}):(r=e.coveringTiles({tileSize:this._source.tileSize,minzoom:this._source.minzoom,maxzoom:this._source.maxzoom,roundZoom:this._source.roundZoom,reparseOverscaled:this._source.reparseOverscaled}),this._source.hasTile&&(r=r.filter(function(e){return i._source.hasTile(e)}))):r=[];var o=(this._source.roundZoom?Math.round:Math.floor)(this.getZoom(e)),a=Math.max(o-t.maxOverzooming,this._source.minzoom),s=Math.max(o+t.maxUnderzooming,this._source.minzoom),n=this._updateRetainedTiles(r,o),l={};if(isRasterType(this._source.type))for(var c=Object.keys(n),h=0;h=browser.now())){i._findLoadedChildren(u,s,n)&&(n[d]=u);var p=i.findLoadedParent(u,a,l);p&&i._addTile(p.tileID)}}var m;for(m in l)n[m]||(i._coveredTiles[m]=!0);for(m in l)n[m]=l[m];for(var f=util.keysDifference(this._tiles,n),T=0;Tr._source.maxzoom){var _=c.children(r._source.maxzoom)[0],p=r.getTile(_);p&&p.hasData()?o[_.key]=_:u=!1}else{r._findLoadedChildren(c,n,o);for(var m=c.children(r._source.maxzoom),f=0;f=s;--T){var v=c.scaledTo(T);if(a[v.key])break;if(a[v.key]=!0,h=r.getTile(v),!h&&d&&(h=r._addTile(v)),h&&(o[v.key]=v,d=h.wasRequested(),h.hasData()))break}}}return o},t.prototype._addTile=function(e){var t=this._tiles[e.key];if(t)return t;(t=this._cache.getAndRemove(e.key))&&(this._updatePlacement(),this.map&&t.added(this.map.painter.crossTileSymbolIndex),this._cacheTimers[e.key]&&(clearTimeout(this._cacheTimers[e.key]),delete this._cacheTimers[e.key],this._setTileReloadTimer(e.key,t)));var i=Boolean(t);return i||(t=new Tile(e,this._source.tileSize*e.overscaleFactor()),this._loadTile(t,this._tileLoaded.bind(this,t,e.key,t.state))),t?(t.uses++,this._tiles[e.key]=t,i||this._source.fire("dataloading",{tile:t,coord:t.tileID,dataType:"source"}),t):null},t.prototype._setTileReloadTimer=function(e,t){var i=this,r=t.getExpiryTimeout();r&&(this._timers[e]=setTimeout(function(){i._reloadTile(e,"expired"),delete i._timers[e]},r))},t.prototype._setCacheInvalidationTimer=function(e,t){var i=this,r=t.getExpiryTimeout();r&&(this._cacheTimers[e]=setTimeout(function(){i._cache.remove(e),delete i._cacheTimers[e]},r))},t.prototype._removeTile=function(e){var t=this._tiles[e];if(t&&(t.uses--,delete this._tiles[e],this._timers[e]&&(clearTimeout(this._timers[e]),delete this._timers[e]),!(t.uses>0)))if(this._updatePlacement(),this.map&&t.removed(this.map.painter.crossTileSymbolIndex),t.hasData()){t.tileID=t.tileID.wrapped();var i=t.tileID.key;this._cache.add(i,t),this._setCacheInvalidationTimer(i,t)}else t.aborted=!0,this._abortTile(t),this._unloadTile(t)},t.prototype._updatePlacement=function(){this._needsFullPlacement=!0},t.prototype.clearTiles=function(){var e=this;this._shouldReloadOnResume=!1,this._paused=!1;for(var t in e._tiles)e._removeTile(t);this._cache.reset()},t.prototype.tilesIn=function(e){for(var t=this,i=[],r=this.getIds(),o=1/0,a=1/0,s=-1/0,n=-1/0,l=e[0].zoom,c=0;c=0&&p[1].y>=0){for(var m=[],f=0;f=browser.now())return!0}return!1},t}(Evented);SourceCache.maxOverzooming=10,SourceCache.maxUnderzooming=3,module.exports=SourceCache; -},{"../data/extent":65,"../geo/coordinate":73,"../gl/context":78,"../util/browser":263,"../util/evented":271,"../util/lru_cache":277,"../util/util":285,"./source":122,"./tile":124,"./tile_id":126,"@mapbox/point-geometry":4}],124:[function(_dereq_,module,exports){ -"use strict";var util=_dereq_("../util/util"),deserializeBucket=_dereq_("../data/bucket").deserialize,SymbolBucket=_dereq_("../data/bucket/symbol_bucket"),FeatureIndex=_dereq_("../data/feature_index"),vt=_dereq_("@mapbox/vector-tile"),Protobuf=_dereq_("pbf"),GeoJSONFeature=_dereq_("../util/vectortile_to_geojson"),featureFilter=_dereq_("../style-spec/feature_filter"),CollisionIndex=_dereq_("../symbol/collision_index"),ref=_dereq_("../data/array_types"),RasterBoundsArray=ref.RasterBoundsArray,CollisionBoxArray=ref.CollisionBoxArray,rasterBoundsAttributes=_dereq_("../data/raster_bounds_attributes"),EXTENT=_dereq_("../data/extent"),Point=_dereq_("@mapbox/point-geometry"),Texture=_dereq_("../render/texture"),ref$1=_dereq_("../data/segment"),SegmentVector=ref$1.SegmentVector,ref$2=_dereq_("../data/index_array_type"),TriangleIndexArray=ref$2.TriangleIndexArray,projection=_dereq_("../symbol/projection"),ref$3=_dereq_("../symbol/symbol_placement"),performSymbolPlacement=ref$3.performSymbolPlacement,updateOpacities=ref$3.updateOpacities,pixelsToTileUnits=_dereq_("../source/pixels_to_tile_units"),browser=_dereq_("../util/browser"),CLOCK_SKEW_RETRY_TIMEOUT=3e4,Tile=function(e,t){this.tileID=e,this.uid=util.uniqueId(),this.uses=0,this.tileSize=t,this.buckets={},this.expirationTime=null,this.expiredRequestCount=0,this.state="loading"};Tile.prototype.registerFadeDuration=function(e){var t=e+this.timeAdded;t>n.z,u=new Point(n.x*l,n.y*l),h=new Point(u.x+l,u.y+l),d=i.segments.prepareSegment(4,r,a);r.emplaceBack(u.x,u.y,u.x,u.y),r.emplaceBack(h.x,u.y,h.x,u.y),r.emplaceBack(u.x,h.y,u.x,h.y),r.emplaceBack(h.x,h.y,h.x,h.y);var c=d.vertexLength;a.emplaceBack(c,c+1,c+2),a.emplaceBack(c+1,c+2,c+3),d.vertexLength+=4,d.primitiveLength+=2}this.maskedBoundsBuffer=t.createVertexBuffer(r,rasterBoundsAttributes.members),this.maskedIndexBuffer=t.createIndexBuffer(a)}},Tile.prototype.hasData=function(){return"loaded"===this.state||"reloading"===this.state||"expired"===this.state},Tile.prototype.setExpiryData=function(e){var t=this.expirationTime;if(e.cacheControl){var i=util.parseCacheControl(e.cacheControl);i["max-age"]&&(this.expirationTime=Date.now()+1e3*i["max-age"])}else e.expires&&(this.expirationTime=new Date(e.expires).getTime());if(this.expirationTime){var r=Date.now(),a=!1;if(this.expirationTime>r)a=!1;else if(t)if(this.expirationTime1||(Math.abs(i)>1&&(1===Math.abs(i+o)?i+=o:1===Math.abs(i-o)&&(i-=o)),t.dem&&e.dem&&(e.dem.backfillBorder(t.dem,i,r),e.neighboringTiles&&e.neighboringTiles[a]&&(e.neighboringTiles[a].backfilled=!0)))}for(var i=this,r=this.getRenderableIds(),o=0;ot)){var n=Math.pow(2,s.tileID.canonical.z-e.canonical.z);if(Math.floor(s.tileID.canonical.x/n)===e.canonical.x&&Math.floor(s.tileID.canonical.y/n)===e.canonical.y)for(i[a]=s.tileID,o=!0;s&&s.tileID.overscaledZ-1>e.overscaledZ;){var l=s.tileID.scaledTo(s.tileID.overscaledZ-1);if(!l)break;s=r._tiles[l.key],s&&s.hasData()&&(delete i[a],i[l.key]=l)}}}return o},t.prototype.findLoadedParent=function(e,t,i){for(var r=this,o=e.overscaledZ-1;o>=t;o--){var a=e.scaledTo(o);if(!a)return;var s=String(a.key),n=r._tiles[s];if(n&&n.hasData())return i[s]=a,n;if(r._cache.has(s))return i[s]=a,r._cache.get(s)}},t.prototype.updateCacheSize=function(e){var t=Math.ceil(e.width/this._source.tileSize)+1,i=Math.ceil(e.height/this._source.tileSize)+1,r=t*i,o=Math.floor(5*r),a="number"==typeof this._maxTileCacheSize?Math.min(this._maxTileCacheSize,o):o;this._cache.setMaxSize(a)},t.prototype.update=function(e){var i=this;if(this.transform=e,this._sourceLoaded&&!this._paused){this.updateCacheSize(e),this._coveredTiles={};var r;this.used?this._source.tileID?r=e.getVisibleUnwrappedCoordinates(this._source.tileID).map(function(e){return new OverscaledTileID(e.canonical.z,e.wrap,e.canonical.z,e.canonical.x,e.canonical.y)}):(r=e.coveringTiles({tileSize:this._source.tileSize,minzoom:this._source.minzoom,maxzoom:this._source.maxzoom,roundZoom:this._source.roundZoom,reparseOverscaled:this._source.reparseOverscaled}),this._source.hasTile&&(r=r.filter(function(e){return i._source.hasTile(e)}))):r=[];var o=(this._source.roundZoom?Math.round:Math.floor)(this.getZoom(e)),a=Math.max(o-t.maxOverzooming,this._source.minzoom),s=Math.max(o+t.maxUnderzooming,this._source.minzoom),n=this._updateRetainedTiles(r,o),l={};if(isRasterType(this._source.type))for(var c=Object.keys(n),h=0;h=browser.now())){i._findLoadedChildren(u,s,n)&&(n[d]=u);var p=i.findLoadedParent(u,a,l);p&&i._addTile(p.tileID)}}var m;for(m in l)n[m]||(i._coveredTiles[m]=!0);for(m in l)n[m]=l[m];for(var f=util.keysDifference(this._tiles,n),T=0;Tr._source.maxzoom){var _=c.children(r._source.maxzoom)[0],p=r.getTile(_);p&&p.hasData()?o[_.key]=_:u=!1}else{r._findLoadedChildren(c,n,o);for(var m=c.children(r._source.maxzoom),f=0;f=s;--T){var v=c.scaledTo(T);if(a[v.key])break;if(a[v.key]=!0,h=r.getTile(v),!h&&d&&(h=r._addTile(v)),h&&(o[v.key]=v,d=h.wasRequested(),h.hasData()))break}}}return o},t.prototype._addTile=function(e){var t=this._tiles[e.key];if(t)return t;(t=this._cache.getAndRemove(e.key))&&(this._updatePlacement(),this.map&&t.added(this.map.painter.crossTileSymbolIndex),this._cacheTimers[e.key]&&(clearTimeout(this._cacheTimers[e.key]),delete this._cacheTimers[e.key],this._setTileReloadTimer(e.key,t)));var i=Boolean(t);return i||(t=new Tile(e,this._source.tileSize*e.overscaleFactor()),this._loadTile(t,this._tileLoaded.bind(this,t,e.key,t.state))),t?(t.uses++,this._tiles[e.key]=t,i||this._source.fire("dataloading",{tile:t,coord:t.tileID,dataType:"source"}),t):null},t.prototype._setTileReloadTimer=function(e,t){var i=this,r=t.getExpiryTimeout();r&&(this._timers[e]=setTimeout(function(){i._reloadTile(e,"expired"),delete i._timers[e]},r))},t.prototype._setCacheInvalidationTimer=function(e,t){var i=this,r=t.getExpiryTimeout();r&&(this._cacheTimers[e]=setTimeout(function(){i._cache.remove(e),delete i._cacheTimers[e]},r))},t.prototype._removeTile=function(e){var t=this._tiles[e];if(t&&(t.uses--,delete this._tiles[e],this._timers[e]&&(clearTimeout(this._timers[e]),delete this._timers[e]),!(t.uses>0)))if(this._updatePlacement(),this.map&&t.removed(this.map.painter.crossTileSymbolIndex),t.hasData()){t.tileID=t.tileID.wrapped();var i=t.tileID.key;this._cache.add(i,t),this._setCacheInvalidationTimer(i,t)}else t.aborted=!0,this._abortTile(t),this._unloadTile(t)},t.prototype._updatePlacement=function(){this._needsFullPlacement=!0},t.prototype.clearTiles=function(){var e=this;this._shouldReloadOnResume=!1,this._paused=!1;for(var t in e._tiles)e._removeTile(t);this._cache.reset()},t.prototype.tilesIn=function(e){for(var t=this,i=[],r=this.getIds(),o=1/0,a=1/0,s=-1/0,n=-1/0,l=e[0].zoom,c=0;c=0&&p[1].y>=0){for(var m=[],f=0;f=browser.now())return!0}return!1},t}(Evented);SourceCache.maxOverzooming=10,SourceCache.maxUnderzooming=3,module.exports=SourceCache; +},{"../mbtiles/extent":65,"../geo/coordinate":73,"../gl/context":78,"../util/browser":263,"../util/evented":271,"../util/lru_cache":277,"../util/util":285,"./source":122,"./tile":124,"./tile_id":126,"@mapbox/point-geometry":4}],124:[function(_dereq_,module,exports){ +"use strict";var util=_dereq_("../util/util"),deserializeBucket=_dereq_("../mbtiles/bucket").deserialize,SymbolBucket=_dereq_("../mbtiles/bucket/symbol_bucket"),FeatureIndex=_dereq_("../mbtiles/feature_index"),vt=_dereq_("@mapbox/vector-tile"),Protobuf=_dereq_("pbf"),GeoJSONFeature=_dereq_("../util/vectortile_to_geojson"),featureFilter=_dereq_("../style-spec/feature_filter"),CollisionIndex=_dereq_("../symbol/collision_index"),ref=_dereq_("../mbtiles/array_types"),RasterBoundsArray=ref.RasterBoundsArray,CollisionBoxArray=ref.CollisionBoxArray,rasterBoundsAttributes=_dereq_("../mbtiles/raster_bounds_attributes"),EXTENT=_dereq_("../mbtiles/extent"),Point=_dereq_("@mapbox/point-geometry"),Texture=_dereq_("../render/texture"),ref$1=_dereq_("../mbtiles/segment"),SegmentVector=ref$1.SegmentVector,ref$2=_dereq_("../mbtiles/index_array_type"),TriangleIndexArray=ref$2.TriangleIndexArray,projection=_dereq_("../symbol/projection"),ref$3=_dereq_("../symbol/symbol_placement"),performSymbolPlacement=ref$3.performSymbolPlacement,updateOpacities=ref$3.updateOpacities,pixelsToTileUnits=_dereq_("../source/pixels_to_tile_units"),browser=_dereq_("../util/browser"),CLOCK_SKEW_RETRY_TIMEOUT=3e4,Tile=function(e,t){this.tileID=e,this.uid=util.uniqueId(),this.uses=0,this.tileSize=t,this.buckets={},this.expirationTime=null,this.expiredRequestCount=0,this.state="loading"};Tile.prototype.registerFadeDuration=function(e){var t=e+this.timeAdded;t>n.z,u=new Point(n.x*l,n.y*l),h=new Point(u.x+l,u.y+l),d=i.segments.prepareSegment(4,r,a);r.emplaceBack(u.x,u.y,u.x,u.y),r.emplaceBack(h.x,u.y,h.x,u.y),r.emplaceBack(u.x,h.y,u.x,h.y),r.emplaceBack(h.x,h.y,h.x,h.y);var c=d.vertexLength;a.emplaceBack(c,c+1,c+2),a.emplaceBack(c+1,c+2,c+3),d.vertexLength+=4,d.primitiveLength+=2}this.maskedBoundsBuffer=t.createVertexBuffer(r,rasterBoundsAttributes.members),this.maskedIndexBuffer=t.createIndexBuffer(a)}},Tile.prototype.hasData=function(){return"loaded"===this.state||"reloading"===this.state||"expired"===this.state},Tile.prototype.setExpiryData=function(e){var t=this.expirationTime;if(e.cacheControl){var i=util.parseCacheControl(e.cacheControl);i["max-age"]&&(this.expirationTime=Date.now()+1e3*i["max-age"])}else e.expires&&(this.expirationTime=new Date(e.expires).getTime());if(this.expirationTime){var r=Date.now(),a=!1;if(this.expirationTime>r)a=!1;else if(t)if(this.expirationTime=n.minX&&t.x=n.minY&&t.y0;c--)t=1<this.canonical.z?new OverscaledTileID(e,this.wrap,this.canonical.z,this.canonical.x,this.canonical.y):new OverscaledTileID(e,this.wrap,e,this.canonical.x>>i,this.canonical.y>>i)},OverscaledTileID.prototype.isChildOf=function(e){var i=this.canonical.z-e.canonical.z;return 0===e.overscaledZ||e.overscaledZ>i&&e.canonical.y===this.canonical.y>>i},OverscaledTileID.prototype.children=function(e){if(this.overscaledZ>=e)return[new OverscaledTileID(this.overscaledZ+1,this.wrap,this.canonical.z,this.canonical.x,this.canonical.y)];var i=this.canonical.z+1,a=2*this.canonical.x,t=2*this.canonical.y;return[new OverscaledTileID(i,this.wrap,i,a,t),new OverscaledTileID(i,this.wrap,i,a+1,t),new OverscaledTileID(i,this.wrap,i,a,t+1),new OverscaledTileID(i,this.wrap,i,a+1,t+1)]},OverscaledTileID.prototype.isLessThan=function(e){return this.wrape.wrap)&&(this.overscaledZe.overscaledZ)&&(this.canonical.xe.canonical.x)&&this.canonical.y=I.maxzoom)&&"none"!==I.visibility)){recalculateLayers(x,t.zoom);(n[I.id]=I.createBucket({index:s.bucketLayerIDs.length,layers:x,zoom:t.zoom,pixelRatio:t.pixelRatio,overscaling:t.overscaling,collisionBoxArray:t.collisionBoxArray})).populate(d,c),s.bucketLayerIDs.push(x.map(function(e){return e.id}))}}}}var k,b,D,A=util.mapObject(c.glyphDependencies,function(e){return Object.keys(e).map(Number)});Object.keys(A).length?i.send("getGlyphs",{uid:this.uid,stacks:A},function(e,r){k||(k=e,b=r,o.call(t))}):b={};var z=Object.keys(c.iconDependencies);z.length?i.send("getImages",{icons:z},function(e,r){k||(k=e,D=r,o.call(t))}):D={},o.call(this)},module.exports=WorkerTile; -},{"../data/array_types":51,"../data/bucket/symbol_bucket":63,"../data/feature_index":66,"../render/glyph_atlas":97,"../render/image_atlas":99,"../style/evaluation_parameters":193,"../symbol/symbol_layout":237,"../util/dictionary_coder":268,"../util/util":285,"./tile_id":126}],132:[function(_dereq_,module,exports){ +"use strict";function recalculateLayers(e,r){for(var i=new EvaluationParameters(r),a=0,o=e;a=I.maxzoom)&&"none"!==I.visibility)){recalculateLayers(x,t.zoom);(n[I.id]=I.createBucket({index:s.bucketLayerIDs.length,layers:x,zoom:t.zoom,pixelRatio:t.pixelRatio,overscaling:t.overscaling,collisionBoxArray:t.collisionBoxArray})).populate(d,c),s.bucketLayerIDs.push(x.map(function(e){return e.id}))}}}}var k,b,D,A=util.mapObject(c.glyphDependencies,function(e){return Object.keys(e).map(Number)});Object.keys(A).length?i.send("getGlyphs",{uid:this.uid,stacks:A},function(e,r){k||(k=e,b=r,o.call(t))}):b={};var z=Object.keys(c.iconDependencies);z.length?i.send("getImages",{icons:z},function(e,r){k||(k=e,D=r,o.call(t))}):D={},o.call(this)},module.exports=WorkerTile; +},{"../mbtiles/array_types":51,"../mbtiles/bucket/symbol_bucket":63,"../mbtiles/feature_index":66,"../render/glyph_atlas":97,"../render/image_atlas":99,"../style/evaluation_parameters":193,"../symbol/symbol_layout":237,"../util/dictionary_coder":268,"../util/util":285,"./tile_id":126}],132:[function(_dereq_,module,exports){ "use strict";function deref(r,e){var f={};for(var t in r)"ref"!==t&&(f[t]=r[t]);return refProperties.forEach(function(r){r in e&&(f[r]=e[r])}),f}function derefLayers(r){r=r.slice();for(var e=Object.create(null),f=0;f0?e+2*t:t}function offsetLine(t,e){for(var r=[],i=new Point(0,0),n=0;n0?e+2*t:t}function offsetLine(t,e){for(var r=[],i=new Point(0,0),n=0;nG)markCollisionCircleUsed(i,M,!1);else{var A=x.projectPoint(p,b,R),U=k/D;if(g.length>0){var X=A.x-g[g.length-4],Y=A.y-g[g.length-3];if(U*U*2>X*X+Y*Y){if(M+8-T&&Le.overscaledZ;r--){var l=a.indexes[r];for(var c in l){var y=l[c];y.tileID.isChildOf(e)&&a.blockLabels(y,s,!1)}}var d=this.indexes[e.overscaledZ]&&this.indexes[e.overscaledZ][e.key];d&&(this.blockLabels(s,d,!0),this.removeTile(e));for(var v=e.overscaledZ-1;v>=i;v--){var x=e.scaledTo(v),h=a.indexes[v]&&a.indexes[v][x.key];h&&a.blockLabels(s,h,!0)}void 0===this.indexes[e.overscaledZ]&&(this.indexes[e.overscaledZ]={}),this.indexes[e.overscaledZ][e.key]=s},CrossTileSymbolLayerIndex.prototype.removeTile=function(e){var t=this,a=this.indexes[e.overscaledZ][e.key];delete this.indexes[e.overscaledZ][e.key],0===Object.keys(this.indexes[e.overscaledZ]).length&&delete this.indexes[e.overscaledZ];for(var i=Math.min.apply(Math,[25].concat(Object.keys(this.indexes))),o=e.overscaledZ-1;o>=i;o--){var n=e.scaledTo(o);if(!n)break;var s=t.indexes[o]&&t.indexes[o][n.key];s&&t.unblockLabels(a,s)}},CrossTileSymbolLayerIndex.prototype.blockLabels=function(e,t,a){e.forEachSymbolInstance(function(i){if(!i.isDuplicate){var o=t.getMatchingSymbol(i,e.tileID);void 0!==o&&(o.isDuplicate||(o.isDuplicate=!0,a&&(i.textOpacityState=o.textOpacityState.clone(),i.iconOpacityState=o.iconOpacityState.clone())))}})},CrossTileSymbolLayerIndex.prototype.unblockLabels=function(e,t){e.forEachSymbolInstance(function(a){if(!a.isDuplicate){var i=t.getMatchingSymbol(a,e.tileID);void 0!==i&&(i.isDuplicate=!1,i.textOpacityState=a.textOpacityState.clone(),i.iconOpacityState=a.iconOpacityState.clone(),a.isDuplicate=!0)}})};var CrossTileSymbolIndex=function(){this.layerIndexes={}};CrossTileSymbolIndex.prototype.addTileLayer=function(e,t,a){var i=this.layerIndexes[e];void 0===i&&(i=this.layerIndexes[e]=new CrossTileSymbolLayerIndex),i.addTile(t,a)},CrossTileSymbolIndex.prototype.removeTileLayer=function(e,t){var a=this.layerIndexes[e];void 0!==a&&a.removeTile(t)},module.exports=CrossTileSymbolIndex; -},{"../data/extent":65,"./opacity_state":233}],230:[function(_dereq_,module,exports){ +"use strict";var EXTENT=_dereq_("../mbtiles/extent"),OpacityState=_dereq_("./opacity_state"),roundingFactor=512/EXTENT/2,TileLayerIndex=function(e,t){var a=this;this.tileID=e,this.symbolInstances={};for(var i=0,o=t;ie.overscaledZ;r--){var l=a.indexes[r];for(var c in l){var y=l[c];y.tileID.isChildOf(e)&&a.blockLabels(y,s,!1)}}var d=this.indexes[e.overscaledZ]&&this.indexes[e.overscaledZ][e.key];d&&(this.blockLabels(s,d,!0),this.removeTile(e));for(var v=e.overscaledZ-1;v>=i;v--){var x=e.scaledTo(v),h=a.indexes[v]&&a.indexes[v][x.key];h&&a.blockLabels(s,h,!0)}void 0===this.indexes[e.overscaledZ]&&(this.indexes[e.overscaledZ]={}),this.indexes[e.overscaledZ][e.key]=s},CrossTileSymbolLayerIndex.prototype.removeTile=function(e){var t=this,a=this.indexes[e.overscaledZ][e.key];delete this.indexes[e.overscaledZ][e.key],0===Object.keys(this.indexes[e.overscaledZ]).length&&delete this.indexes[e.overscaledZ];for(var i=Math.min.apply(Math,[25].concat(Object.keys(this.indexes))),o=e.overscaledZ-1;o>=i;o--){var n=e.scaledTo(o);if(!n)break;var s=t.indexes[o]&&t.indexes[o][n.key];s&&t.unblockLabels(a,s)}},CrossTileSymbolLayerIndex.prototype.blockLabels=function(e,t,a){e.forEachSymbolInstance(function(i){if(!i.isDuplicate){var o=t.getMatchingSymbol(i,e.tileID);void 0!==o&&(o.isDuplicate||(o.isDuplicate=!0,a&&(i.textOpacityState=o.textOpacityState.clone(),i.iconOpacityState=o.iconOpacityState.clone())))}})},CrossTileSymbolLayerIndex.prototype.unblockLabels=function(e,t){e.forEachSymbolInstance(function(a){if(!a.isDuplicate){var i=t.getMatchingSymbol(a,e.tileID);void 0!==i&&(i.isDuplicate=!1,i.textOpacityState=a.textOpacityState.clone(),i.iconOpacityState=a.iconOpacityState.clone(),a.isDuplicate=!0)}})};var CrossTileSymbolIndex=function(){this.layerIndexes={}};CrossTileSymbolIndex.prototype.addTileLayer=function(e,t,a){var i=this.layerIndexes[e];void 0===i&&(i=this.layerIndexes[e]=new CrossTileSymbolLayerIndex),i.addTile(t,a)},CrossTileSymbolIndex.prototype.removeTileLayer=function(e,t){var a=this.layerIndexes[e];void 0!==a&&a.removeTile(t)},module.exports=CrossTileSymbolIndex; +},{"../mbtiles/extent":65,"./opacity_state":233}],230:[function(_dereq_,module,exports){ "use strict";function getAnchors(e,r,t,n,a,l,o,i,c){var h=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===c||0===e[0].y||e[0].y===c;r-s*o=0&&k=0&&q=0&&p+h<=s){var M=new Anchor(k,q,A,f);M._round(),n&&!checkMaxAngle(e,M,l,n,a)||x.push(M)}}g+=y}return i||x.length||o||(x=resample(e,g/2,t,n,a,l,o,!0,c)),x}var interpolate=_dereq_("../style-spec/util/interpolate").number,Anchor=_dereq_("../symbol/anchor"),checkMaxAngle=_dereq_("./check_max_angle");module.exports=getAnchors; },{"../style-spec/util/interpolate":169,"../symbol/anchor":224,"./check_max_angle":225}],231:[function(_dereq_,module,exports){ "use strict";var GridIndex=function(e,t,i){var r=this.boxCells=[],s=this.circleCells=[];this.xCellCount=Math.ceil(e/i),this.yCellCount=Math.ceil(t/i);for(var l=0;lthis.width||r<0||t>this.height)return!s&&[];var l=[];if(e<=0&&t<=0&&this.width<=i&&this.height<=r)l=Array.prototype.slice.call(this.boxKeys).concat(this.circleKeys);else{var o={hitTest:s,seenUids:{box:{},circle:{}}};this._forEachCell(e,t,i,r,this._queryCell,l,o)}return s?l.length>0:l},GridIndex.prototype._queryCircle=function(e,t,i,r){var s=e-i,l=e+i,o=t-i,h=t+i;if(l<0||s>this.width||h<0||o>this.height)return!r&&[];var n=[],c={hitTest:r,circle:{x:e,y:t,radius:i},seenUids:{box:{},circle:{}}};return this._forEachCell(s,o,l,h,this._queryCellCircle,n,c),r?n.length>0:n},GridIndex.prototype.query=function(e,t,i,r){return this._query(e,t,i,r,!1)},GridIndex.prototype.hitTest=function(e,t,i,r){return this._query(e,t,i,r,!0)},GridIndex.prototype.hitTestCircle=function(e,t,i){return this._queryCircle(e,t,i,!0)},GridIndex.prototype._queryCell=function(e,t,i,r,s,l,o){var h=this,n=o.seenUids,c=this.boxCells[s];if(null!==c)for(var u=this.bboxes,d=0,C=c;d=u[x+0]&&r>=u[x+1]){if(o.hitTest)return l.push(!0),!0;l.push(h.boxKeys[a])}}}var p=this.circleCells[s];if(null!==p)for(var f=this.circles,y=0,v=p;yo*o+h*h},GridIndex.prototype._circleAndRectCollide=function(e,t,i,r,s,l,o){var h=(l-r)/2,n=Math.abs(e-(r+h));if(n>h+i)return!1;var c=(o-s)/2,u=Math.abs(t-(s+c));if(u>c+i)return!1;if(n<=h||u<=c)return!0;var d=n-h,C=u-c;return d*d+C*C<=i*i},module.exports=GridIndex; @@ -469,14 +469,14 @@ module.exports={"$version":8,"$root":{"version":{"required":true,"type":"enum"," },{}],233:[function(_dereq_,module,exports){ "use strict";var ref=_dereq_("../util/web_worker_transfer"),register=ref.register,OpacityState=function(){this.opacity=0,this.targetOpacity=0,this.time=0};OpacityState.prototype.clone=function(){var t=new OpacityState;return t.opacity=this.opacity,t.targetOpacity=this.targetOpacity,t.time=this.time,t},register("OpacityState",OpacityState),module.exports=OpacityState; },{"../util/web_worker_transfer":288}],234:[function(_dereq_,module,exports){ -"use strict";function getLabelPlaneMatrix(e,t,r,n,a){var i=mat4.identity(new Float32Array(16));return t?(mat4.identity(i),mat4.scale(i,i,[1/a,1/a,1]),r||mat4.rotateZ(i,i,n.angle)):(mat4.scale(i,i,[n.width/2,-n.height/2,1]),mat4.translate(i,i,[1,-1,0]),mat4.multiply(i,i,e)),i}function getGlCoordMatrix(e,t,r,n,a){var i=mat4.identity(new Float32Array(16));return t?(mat4.multiply(i,i,e),mat4.scale(i,i,[a,a,1]),r||mat4.rotateZ(i,i,-n.angle)):(mat4.scale(i,i,[1,-1,1]),mat4.translate(i,i,[-1,-1,0]),mat4.scale(i,i,[2/n.width,2/n.height,1])),i}function project(e,t){var r=[e.x,e.y,0,1];xyTransformMat4(r,r,t);var n=r[3];return{point:new Point(r[0]/n,r[1]/n),signedDistanceFromCamera:n}}function isVisible(e,t){var r=e[0]/e[3],n=e[1]/e[3];return r>=-t[0]&&r<=t[0]&&n>=-t[1]&&n<=t[1]}function updateLineLabels(e,t,r,n,a,i,o,l){var s=n?e.textSizeData:e.iconSizeData,p=symbolSize.evaluateSizeForZoom(s,r.transform.zoom,symbolLayoutProperties.properties[n?"text-size":"icon-size"]),u=[256/r.width*2+1,256/r.height*2+1],y=n?e.text.dynamicLayoutVertexArray:e.icon.dynamicLayoutVertexArray;y.clear();for(var c=e.lineVertexArray,d=n?e.placedGlyphArray:e.placedIconArray,m=r.transform.width/r.transform.height,g=!1,h=0;hMath.abs(r.x-t.x)*n)return{useVertical:!0}}return(e===WritingMode.vertical?t.yr.x)?{needsFlipping:!0}:null}function placeGlyphsAlongLine(e,t,r,n,a,i,o,l,s,p,u,y,c,d){var m,g=t/24,h=e.lineOffsetX*t,f=e.lineOffsetY*t;if(e.numGlyphs>1){var x=e.glyphStartIndex+e.numGlyphs,v=e.lineStartIndex,L=e.lineStartIndex+e.lineLength,b=placeFirstAndLastGlyph(g,l,h,f,r,u,y,e,s,i,c,!1);if(!b)return{notEnoughRoom:!0};var A=project(b.first.point,o).point,G=project(b.last.point,o).point;if(n&&!r){var M=requiresOrientationChange(e.writingMode,A,G,d);if(M)return M}m=[b.first];for(var S=e.glyphStartIndex+1;S0?I.point:projectTruncatedLineSegment(y,D,w,1,a),z=requiresOrientationChange(e.writingMode,w,j,d);if(z)return z}var P=placeGlyphAlongLine(g*l.getoffsetX(e.glyphStartIndex),h,f,r,u,y,e.segment,e.lineStartIndex,e.lineStartIndex+e.lineLength,s,i,c,!1);if(!P)return{notEnoughRoom:!0};m=[P]}for(var _=0,C=m;_0?1:-1,g=0;n&&(m*=-1,g=Math.PI),m<0&&(g+=Math.PI);for(var h=m>0?l+o:l+o+1,f=h,x=a,v=a,L=0,b=0,A=Math.abs(d);L+b<=A;){if((h+=m)=s)return null;if(v=x,void 0===(x=y[h])){var G=new Point(p.getx(h),p.gety(h)),M=project(G,u);if(M.signedDistanceFromCamera>0)x=y[h]=M.point;else{var S=h-m;x=projectTruncatedLineSegment(0===L?i:new Point(p.getx(S),p.gety(S)),G,v,A-L+1,u)}}L+=b,b=v.dist(x)}var w=(A-L)/b,F=x.sub(v),D=F.mult(w)._add(v);return D._add(F._unit()._perp()._mult(r*m)),{point:D,angle:g+Math.atan2(x.y-v.y,x.x-v.x),tileDistance:c?{prevTileDistance:h-m===f?0:p.gettileUnitDistanceFromAnchor(h-m),lastSegmentViewportDistance:A-L}:null}}function hideGlyphs(e,t){for(var r=0;r=-t[0]&&r<=t[0]&&n>=-t[1]&&n<=t[1]}function updateLineLabels(e,t,r,n,a,i,o,l){var s=n?e.textSizeData:e.iconSizeData,p=symbolSize.evaluateSizeForZoom(s,r.transform.zoom,symbolLayoutProperties.properties[n?"text-size":"icon-size"]),u=[256/r.width*2+1,256/r.height*2+1],y=n?e.text.dynamicLayoutVertexArray:e.icon.dynamicLayoutVertexArray;y.clear();for(var c=e.lineVertexArray,d=n?e.placedGlyphArray:e.placedIconArray,m=r.transform.width/r.transform.height,g=!1,h=0;hMath.abs(r.x-t.x)*n)return{useVertical:!0}}return(e===WritingMode.vertical?t.yr.x)?{needsFlipping:!0}:null}function placeGlyphsAlongLine(e,t,r,n,a,i,o,l,s,p,u,y,c,d){var m,g=t/24,h=e.lineOffsetX*t,f=e.lineOffsetY*t;if(e.numGlyphs>1){var x=e.glyphStartIndex+e.numGlyphs,v=e.lineStartIndex,L=e.lineStartIndex+e.lineLength,b=placeFirstAndLastGlyph(g,l,h,f,r,u,y,e,s,i,c,!1);if(!b)return{notEnoughRoom:!0};var A=project(b.first.point,o).point,G=project(b.last.point,o).point;if(n&&!r){var M=requiresOrientationChange(e.writingMode,A,G,d);if(M)return M}m=[b.first];for(var S=e.glyphStartIndex+1;S0?I.point:projectTruncatedLineSegment(y,D,w,1,a),z=requiresOrientationChange(e.writingMode,w,j,d);if(z)return z}var P=placeGlyphAlongLine(g*l.getoffsetX(e.glyphStartIndex),h,f,r,u,y,e.segment,e.lineStartIndex,e.lineStartIndex+e.lineLength,s,i,c,!1);if(!P)return{notEnoughRoom:!0};m=[P]}for(var _=0,C=m;_0?1:-1,g=0;n&&(m*=-1,g=Math.PI),m<0&&(g+=Math.PI);for(var h=m>0?l+o:l+o+1,f=h,x=a,v=a,L=0,b=0,A=Math.abs(d);L+b<=A;){if((h+=m)=s)return null;if(v=x,void 0===(x=y[h])){var G=new Point(p.getx(h),p.gety(h)),M=project(G,u);if(M.signedDistanceFromCamera>0)x=y[h]=M.point;else{var S=h-m;x=projectTruncatedLineSegment(0===L?i:new Point(p.getx(S),p.gety(S)),G,v,A-L+1,u)}}L+=b,b=v.dist(x)}var w=(A-L)/b,F=x.sub(v),D=F.mult(w)._add(v);return D._add(F._unit()._perp()._mult(r*m)),{point:D,angle:g+Math.atan2(x.y-v.y,x.x-v.x),tileDistance:c?{prevTileDistance:h-m===f?0:p.gettileUnitDistanceFromAnchor(h-m),lastSegmentViewportDistance:A-L}:null}}function hideGlyphs(e,t){for(var r=0;r=EXTENT||l.y<0||l.y>=EXTENT||e.symbolInstances.push(addSymbol(e,l,r,a,i,e.layers[0],e.collisionBoxArray,t.index,t.sourceLayerIndex,e.index,g,v,z,u,d,f,S,y,{zoom:e.zoom},t,o,n))};if("line"===b)for(var E=0,P=clipLine(t.geometry,0,0,EXTENT,EXTENT);E=SymbolBucket.MAX_GLYPHS&&util.warnOnce("Too many glyphs being rendered in a tile. See https://github.com/mapbox/mapbox-gl-js/issues/2907"),{key:A,textBoxStartIndex:L,textBoxEndIndex:O,iconBoxStartIndex:B,iconBoxEndIndex:M,textOffset:g,iconOffset:v,anchor:t,line:a,featureIndex:l,feature:h,numGlyphVertices:P,numVerticalGlyphVertices:w,numIconVertices:E,textOpacityState:new OpacityState,iconOpacityState:new OpacityState,isDuplicate:!1,placedTextSymbolIndices:q}}function anchorIsTooClose(e,t,a,i){var o=e.compareText;if(t in o){for(var n=o[t],r=n.length-1;r>=0;r--)if(i.dist(n[r])=EXTENT||l.y<0||l.y>=EXTENT||e.symbolInstances.push(addSymbol(e,l,r,a,i,e.layers[0],e.collisionBoxArray,t.index,t.sourceLayerIndex,e.index,g,v,z,u,d,f,S,y,{zoom:e.zoom},t,o,n))};if("line"===b)for(var E=0,P=clipLine(t.geometry,0,0,EXTENT,EXTENT);E=SymbolBucket.MAX_GLYPHS&&util.warnOnce("Too many glyphs being rendered in a tile. See https://github.com/mapbox/mapbox-gl-js/issues/2907"),{key:A,textBoxStartIndex:L,textBoxEndIndex:O,iconBoxStartIndex:B,iconBoxEndIndex:M,textOffset:g,iconOffset:v,anchor:t,line:a,featureIndex:l,feature:h,numGlyphVertices:P,numVerticalGlyphVertices:w,numIconVertices:E,textOpacityState:new OpacityState,iconOpacityState:new OpacityState,isDuplicate:!1,placedTextSymbolIndices:q}}function anchorIsTooClose(e,t,a,i){var o=e.compareText;if(t in o){for(var n=o[t],r=n.length-1;r>=0;r--)if(i.dist(n[r])0}}var M=I.length>0||b,D=O.length>0;C||A?A?C||(D=D&&M):M=D&&M:D=M=D&&M,g.placedText=M,g.placedIcon=D,g.collisionArrays.textBox&&(p&&updateCollisionBox(p,M),M&&t.insertCollisionBox(I,f.get("text-ignore-placement"),c,n,g.textBoxStartIndex)),g.collisionArrays.iconBox&&(p&&updateCollisionBox(p,D),D&&t.insertCollisionBox(O,f.get("icon-ignore-placement"),c,n,g.iconBoxStartIndex)),g.collisionArrays.textCircles&&(x&&updateCollisionCircles(x,g.collisionArrays.textCircles,M,g.isDuplicate),M&&t.insertCollisionCircles(V,f.get("text-ignore-placement"),c,n,g.textBoxStartIndex))}p&&e.collisionBox.collisionVertexBuffer&&e.collisionBox.collisionVertexBuffer.updateData(p),x&&e.collisionCircle.collisionVertexBuffer&&e.collisionCircle.collisionVertexBuffer.updateData(x)}var symbolSize=_dereq_("./symbol_size"),symbolLayoutProperties=_dereq_("../style/style_layer/symbol_style_layer_properties").layout,browser=_dereq_("../util/browser"),mat4=_dereq_("@mapbox/gl-matrix").mat4;module.exports={updateOpacities:updateOpacities,performSymbolPlacement:performSymbolPlacement};var shift25=Math.pow(2,25),shift24=Math.pow(2,24),shift17=Math.pow(2,17),shift16=Math.pow(2,16),shift9=Math.pow(2,9),shift8=Math.pow(2,8),shift1=Math.pow(2,1); },{"../style/style_layer/symbol_style_layer_properties":220,"../util/browser":263,"./symbol_size":239,"@mapbox/gl-matrix":2}],239:[function(_dereq_,module,exports){ "use strict";function getSizeData(e,o){var i=o.expression;if("constant"===i.kind)return{functionType:"constant",layoutSize:i.evaluate({zoom:e+1})};if("source"===i.kind)return{functionType:"source"};for(var t=i.zoomStops,r=0;rthis.max){var r=this.getAndRemove(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.getAndRemove=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.get=function(t){return this.has(t)?this.data[t]:null},LRUCache.prototype.remove=function(t){if(!this.has(t))return this;var e=this.data[t];return delete this.data[t],this.onRemove(e),this.order.splice(this.order.indexOf(t),1),this},LRUCache.prototype.setMaxSize=function(t){var e=this;for(this.max=t;this.order.length>this.max;){var r=e.getAndRemove(e.order[0]);r&&e.onRemove(r)}return this},module.exports=LRUCache; },{}],278:[function(_dereq_,module,exports){ -"use strict";function makeAPIURL(r,e){var t=parseUrl(config.API_URL);if(r.protocol=t.protocol,r.authority=t.authority,"/"!==t.path&&(r.path=""+t.path+r.path),!config.REQUIRE_ACCESS_TOKEN)return formatUrl(r);if(!(e=e||config.ACCESS_TOKEN))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=2||512===t?"@2x":"",p=browser.supportsWebp?".webp":"$1";return a.path=a.path.replace(imageExtensionRe,""+o+p),replaceTempAccessToken(a.params),formatUrl(a)};var urlRe=/^(\w+):\/\/([^\/?]*)(\/[^?]+)?\??(.+)?/; +"use strict";function makeAPIURL(r,e){var t=parseUrl(config.API_URL);if(r.protocol=t.protocol,r.authority=t.authority,"/"!==t.path&&(r.path=""+t.path+r.path),!config.REQUIRE_ACCESS_TOKEN)return formatUrl(r);if(!(e=e||config.ACCESS_TOKEN))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=2||512===t?"@2x":"",p=browser.supportsWebp?".webp":"$1";return a.path=a.path.replace(imageExtensionRe,""+o+p),replaceTempAccessToken(a.params),formatUrl(a)};var urlRe=/^(\w+):\/\/([^\/?]*)(\/[^?]+)?\??(.+)?/; },{"./browser":263,"./config":267}],279:[function(_dereq_,module,exports){ "use strict";var isChar=_dereq_("./is_char_in_unicode_block");module.exports.allowsIdeographicBreaking=function(a){for(var i=0,r=a;i=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":276}],280:[function(_dereq_,module,exports){ diff --git a/public/resources/mapbox.js b/public/resources/mapbox.js index 3abf998..8b280dd 100644 --- a/public/resources/mapbox.js +++ b/public/resources/mapbox.js @@ -22,7 +22,7 @@ module.exports={"author":"Mapbox","name":"mapbox.js","description":"mapbox javas },{"./format_url":11,"./marker":25,"./request":26,"./simplestyle":28,"./util":31,"sanitize-caja":5}],10:[function(require,module,exports){ "use strict";var Feedback=L.Class.extend({includes:L.Mixin.Events,data:{},record:function(e){L.extend(this.data,e),this.fire("change")}});module.exports=new Feedback; },{}],11:[function(require,module,exports){ -"use strict";var config=require("./config"),version=require("../package.json").version;module.exports=function(e,o){if(o=o||L.mapbox.accessToken,!o&&config.REQUIRE_ACCESS_TOKEN)throw new Error("An API access token is required to use Mapbox.js. See https://www.mapbox.com/mapbox.js/api/v"+version+"/api-access-tokens/");var s="https:"===document.location.protocol||config.FORCE_HTTPS?config.HTTPS_URL:config.HTTP_URL;if(s=s.replace(/\/v4$/,""),s+=e,config.REQUIRE_ACCESS_TOKEN){if("s"===o[0])throw new Error("Use a public access token (pk.*) with Mapbox.js, not a secret access token (sk.*). See https://www.mapbox.com/mapbox.js/api/v"+version+"/api-access-tokens/");s+=-1!==s.indexOf("?")?"&access_token=":"?access_token=",s+=o}return s},module.exports.tileJSON=function(e,o){if(-1!==e.indexOf("/"))return e;var s=module.exports("/v4/"+e+".json",o);return 0===s.indexOf("https")&&(s+="&secure"),s},module.exports.style=function(e,o){if(-1===e.indexOf("mapbox://styles/"))throw new Error("Incorrectly formatted Mapbox style at "+e);var s=e.split("mapbox://styles/")[1],t=module.exports("/styles/v1/"+s,o).replace("http://","https://");return t}; +"use strict";var config=require("./config"),version=require("../package.json").version;module.exports=function(e,o){if(o=o||L.mapbox.accessToken,!o&&config.REQUIRE_ACCESS_TOKEN)throw new Error("An API access token is required to use Mapbox.js. See https://www.mapbox.com/mapbox.js/api/v"+version+"/api-access-tokens/");var s="https:"===document.location.protocol||config.FORCE_HTTPS?config.HTTPS_URL:config.HTTP_URL;if(s=s.replace(/\/v4$/,""),s+=e,config.REQUIRE_ACCESS_TOKEN){if("s"===o[0])throw new Error("Use a public access token (pk.*) with Mapbox.js, not a secret access token (sk.*). See https://www.mapbox.com/mapbox.js/api/v"+version+"/api-access-tokens/");s+=-1!==s.indexOf("?")?"&access_token=":"?access_token=",s+=o}return s},module.exports.tileJSON=function(e,o){if(-1!==e.indexOf("/"))return e;var s=module.exports("/v4/"+e+".json",o);return 0===s.indexOf("https")&&(s+="&secure"),s},module.exports.style=function(e,o){if(-1===e.indexOf("mapbox://gl-styles/"))throw new Error("Incorrectly formatted Mapbox style at "+e);var s=e.split("mapbox://gl-styles/")[1],t=module.exports("/gl-styles/v1/"+s,o).replace("http://","https://");return t}; },{"../package.json":7,"./config":8}],12:[function(require,module,exports){ "use strict";var isArray=require("isarray"),util=require("./util"),format_url=require("./format_url"),feedback=require("./feedback"),request=require("./request");module.exports=function(e,r){function t(e,r){var t=Math.pow(10,r);return e.lat=Math.round(e.lat*t)/t,e.lng=Math.round(e.lng*t)/t,e}r||(r={});var n={};return util.strict(e,"string"),-1===e.indexOf("/")&&(e=format_url("/geocoding/v5/"+e+"/{query}.json",r.accessToken,5)),n.getURL=function(){return e},n.queryURL=function(e){var r=!(isArray(e)||"string"==typeof e),u=r?e.query:e;if(isArray(u)){for(var o=[],i=0;i{{name}}