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Merge pull request #3587 from saemy/brouter-elevation-info

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Extracts elevation data from BRouter.
This commit is contained in:
vshcherb 2017-03-28 01:31:39 +02:00 committed by GitHub
commit 96a018d543
1 changed files with 19 additions and 36 deletions
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55
OsmAnd/src/net/osmand/plus/routing/RouteProvider.java
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@ -2,6 +2,7 @@ package net.osmand.plus.routing;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
@ -1252,7 +1253,7 @@ public class RouteProvider {
bpars.putDoubleArray("lons", lons);
bpars.putString("fast", params.fast ? "1" : "0");
bpars.putString("v", mode);
bpars.putString("trackFormat", "kml");
bpars.putString("trackFormat", "gpx");
OsmandApplication ctx = (OsmandApplication) params.ctx;
List<Location> res = new ArrayList<Location>();
@ -1262,45 +1263,27 @@ public class RouteProvider {
return new RouteCalculationResult("BRouter service is not available");
}
try {
String kmlMessage = brouterService.getTrackFromParams(bpars);
if (kmlMessage == null)
kmlMessage = "no result from brouter";
if (!kmlMessage.startsWith("<")) {
return new RouteCalculationResult(kmlMessage);
String gpxMessage = brouterService.getTrackFromParams(bpars);
if (gpxMessage == null)
gpxMessage = "no result from brouter";
if (!gpxMessage.startsWith("<")) {
return new RouteCalculationResult(gpxMessage);
}
DocumentBuilder dom = DocumentBuilderFactory.newInstance().newDocumentBuilder();
Document doc = dom.parse(new InputSource(new StringReader(kmlMessage)));
NodeList list = doc.getElementsByTagName("coordinates"); //$NON-NLS-1$
for (int i = 0; i < list.getLength(); i++) {
Node item = list.item(i);
String str = item.getFirstChild().getNodeValue();
if (str == null) {
continue;
}
int st = 0;
int next = 0;
while ((next = str.indexOf('\n', st)) != -1) {
String coordinate = str.substring(st, next + 1);
int s = coordinate.indexOf(',');
if (s != -1) {
try {
double lon = Double.parseDouble(coordinate.substring(0, s));
double lat = Double.parseDouble(coordinate.substring(s + 1));
Location l = new Location("router"); //$NON-NLS-1$
l.setLatitude(lat);
l.setLongitude(lon);
res.add(l);
} catch (NumberFormatException e) {
GPXFile gpxFile = GPXUtilities.loadGPXFile(
ctx, new ByteArrayInputStream(gpxMessage.getBytes("UTF-8")));
for (Track track : gpxFile.tracks) {
for (TrkSegment ts : track.segments) {
for (WptPt p : ts.points) {
Location l = new Location("router"); //$NON-NLS-1$
l.setLatitude(p.lat);
l.setLongitude(p.lon);
if (p.ele != Double.NaN) {
l.setAltitude(p.ele);
}
res.add(l);
}
st = next + 1;
}
}
if (list.getLength() == 0) {
if (doc.getChildNodes().getLength() == 1) {
Node item = doc.getChildNodes().item(0);
return new RouteCalculationResult(item.getNodeValue());
}
}
} catch (Exception e) {