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read NogoPolygons from OsmAnd Tracks

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This commit is contained in:
Norbert Truchsess 2018-02-25 20:00:50 +01:00
parent a0198e3b34
commit 41201520c7
4 changed files with 143 additions and 15 deletions
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4
brouter-core/src/main/java/btools/router/OsmNogoPolygon.java
View file

@ -29,8 +29,8 @@ public class OsmNogoPolygon extends OsmNodeNamed
{
public final static class Point
{
final int y;
final int x;
public final int y;
public final int x;
Point(final int lon, final int lat)
{

24
brouter-core/src/main/java/btools/router/RoutingContext.java
View file

@ -192,16 +192,20 @@ public final class RoutingContext
{
for( OsmNodeNamed nogo : nogos )
{
String s = nogo.name;
int idx = s.indexOf( ' ' );
if ( idx > 0 ) s = s.substring( 0 , idx );
int ir = 20; // default radius
if ( s.length() > 4 )
{
try { ir = Integer.parseInt( s.substring( 4 ) ); }
catch( Exception e ) { /* ignore */ }
}
nogo.radius = ir / 110984.; // 6378000. / 57.3;
if (nogo instanceof OsmNogoPolygon)
{
continue;
}
String s = nogo.name;
int idx = s.indexOf( ' ' );
if ( idx > 0 ) s = s.substring( 0 , idx );
int ir = 20; // default radius
if ( s.length() > 4 )
{
try { ir = Integer.parseInt( s.substring( 4 ) ); }
catch( Exception e ) { /* ignore */ }
}
nogo.radius = ir / 110984.; // 6378000. / 57.3;
}
}

50
brouter-routing-app/src/main/java/btools/routingapp/BRouterView.java
View file

@ -32,6 +32,8 @@ import btools.expressions.BExpressionContextWay;
import btools.expressions.BExpressionMetaData;
import btools.mapaccess.OsmNode;
import btools.router.OsmNodeNamed;
import btools.router.OsmNogoPolygon;
import btools.router.OsmNogoPolygon.Point;
import btools.router.OsmTrack;
import btools.router.RoutingContext;
import btools.router.RoutingEngine;
@ -518,7 +520,7 @@ public class BRouterView extends View
scaleLon = scaleLat * coslat;
startTime = System.currentTimeMillis();
rc.prepareNogoPoints( nogoList );
RoutingContext.prepareNogoPoints( nogoList );
rc.nogopoints = nogoList;
rc.memoryclass = memoryClass;
@ -640,6 +642,41 @@ public class BRouterView extends View
canvas.drawCircle( (float) x, (float) y, (float) ir, paint );
}
}
private void paintLine( Canvas canvas, final int ilon0, final int ilat0, final int ilon1, final int ilat1, final Paint paint )
{
final int lon0 = ilon0 - centerLon;
final int lat0 = ilat0 - centerLat;
final int lon1 = ilon1 - centerLon;
final int lat1 = ilat1 - centerLat;
final int x0 = imgw / 2 + (int) ( scaleLon * lon0 );
final int y0 = imgh / 2 - (int) ( scaleLat * lat0 );
final int x1 = imgw / 2 + (int) ( scaleLon * lon1 );
final int y1 = imgh / 2 - (int) ( scaleLat * lat1 );
canvas.drawLine( (float) x0, (float) y0, (float) x1, (float) y1, paint );
}
private void paintPolygon( Canvas canvas, OsmNogoPolygon p, int minradius )
{
final int ir = (int) ( p.radius * 1000000. * scaleLat );
if ( ir > minradius )
{
Paint paint = new Paint();
paint.setColor( Color.RED );
paint.setStyle( Paint.Style.STROKE );
Point p0 = p.isClosed ? p.points.get(p.points.size()-1) : null;
for ( final Point p1 : p.points )
{
if (p0 != null)
{
paintLine( canvas, p0.x, p0.y, p1.x, p1.y, paint );
}
p0 = p1;
}
}
}
@Override
protected void onSizeChanged( int w, int h, int oldw, int oldh )
@ -824,8 +861,15 @@ public class BRouterView extends View
for ( int ngi = 0; ngi < nogoList.size(); ngi++ )
{
OsmNodeNamed n = nogoList.get( ngi );
int color = 0xff0000;
paintCircle( canvas, n, color, 4 );
if (n instanceof OsmNogoPolygon)
{
paintPolygon( canvas, (OsmNogoPolygon)n, 4 );
}
else
{
int color = 0xff0000;
paintCircle( canvas, n, color, 4 );
}
}
Paint paint = new Paint();

80
brouter-routing-app/src/main/java/btools/routingapp/CoordinateReaderOsmAnd.java
View file

@ -3,9 +3,15 @@ package btools.routingapp;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserFactory;
import btools.router.OsmNodeNamed;
import btools.router.OsmNogoPolygon;
/**
* Read coordinates from a gpx-file
@ -65,6 +71,13 @@ public class CoordinateReaderOsmAnd extends CoordinateReader
{
_readPointmap( osmandDir + "/favourites.gpx" );
}
try
{
_readNogoLines( basedir+tracksdir );
}
catch( IOException ioe )
{
}
}
private void _readPointmap( String filename ) throws Exception
@ -107,4 +120,71 @@ public class CoordinateReaderOsmAnd extends CoordinateReader
}
br.close();
}
private void _readNogoLines( String dirname ) throws IOException
{
File dir = new File( dirname );
if (dir.exists() && dir.isDirectory())
{
for (final File file : dir.listFiles())
{
final String name = file.getName();
if (name.startsWith("nogo") && name.endsWith(".gpx"))
{
try
{
_readNogoLine(file);
}
catch (Exception e)
{
}
}
}
}
}
private void _readNogoLine( File file ) throws Exception
{
XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
factory.setNamespaceAware(false);
XmlPullParser xpp = factory.newPullParser();
xpp.setInput(new FileReader(file));
OsmNogoPolygon nogo = new OsmNogoPolygon(true);
int eventType = xpp.getEventType();
int numSeg = 0;
while (eventType != XmlPullParser.END_DOCUMENT) {
switch(eventType) {
case XmlPullParser.START_TAG: {
if (xpp.getName().equals("trkpt")) {
final String lon = xpp.getAttributeValue(null,"lon");
final String lat = xpp.getAttributeValue(null,"lat");
if (lon != null && lat != null) {
nogo.addVertex(
(int)( ( Double.parseDouble(lon) + 180. ) *1000000. + 0.5),
(int)( ( Double.parseDouble(lat) + 90. ) *1000000. + 0.5));
}
}
break;
}
case XmlPullParser.END_TAG: {
if (xpp.getName().equals("trkseg")) {
nogo.calcBoundingCircle();
final String name = file.getName();
nogo.name = name.substring(0, name.length()-4);
if (numSeg > 0)
{
nogo.name += Integer.toString(numSeg+1);
}
numSeg++;
checkAddPoint( "(one-for-all)", nogo );
}
break;
}
}
eventType = xpp.next();
}
}
}