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get elevaton single point

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This commit is contained in:
afischerdev 2023-05-14 16:36:52 +02:00
parent fa1a6b3c27
commit 3c5ac660bf
2 changed files with 101 additions and 7 deletions
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43
brouter-core/src/main/java/btools/router/OsmTrack.java
View file

@ -839,6 +839,49 @@ public final class OsmTrack {
return sb.toString();
}
static public String formatAsGpxWaypoint(OsmNodeNamed n) {
try {
StringWriter sw = new StringWriter(8192);
BufferedWriter bw = new BufferedWriter(sw);
formatGpxHeader(bw);
formatWaypointGpx(bw, n);
formatGpxFooter(bw);
bw.close();
sw.close();
return sw.toString();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
static public void formatGpxHeader(BufferedWriter sb) throws IOException {
sb.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
sb.append("<gpx \n");
sb.append(" xmlns=\"http://www.topografix.com/GPX/1/1\" \n");
sb.append(" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" \n");
sb.append(" xsi:schemaLocation=\"http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd\" \n");
sb.append(" creator=\"BRouter-" + version + "\" version=\"1.1\">\n");
}
static public void formatGpxFooter(BufferedWriter sb) throws IOException {
sb.append("</gpx>\n");
}
static public void formatWaypointGpx(BufferedWriter sb, OsmNodeNamed n) throws IOException {
sb.append(" <wpt lon=\"").append(formatILon(n.ilon)).append("\" lat=\"")
.append(formatILat(n.ilat)).append("\">");
if (n.getSElev() != Short.MIN_VALUE) {
sb.append("<ele>").append("" + n.getElev()).append("</ele>");
}
if (n.name != null) {
sb.append("<name>").append(StringUtils.escapeXml10(n.name)).append("</name>");
}
if (n.nodeDescription != null) {
sb.append("<desc>").append("hat desc").append("</desc>");
}
sb.append("</wpt>\n");
}
public void writeKml(String filename) throws Exception {
BufferedWriter bw = new BufferedWriter(new FileWriter(filename));

65
brouter-core/src/main/java/btools/router/RoutingEngine.java
View file

@ -28,7 +28,7 @@ public class RoutingEngine extends Thread {
public final static int BROUTER_ENGINEMODE_ROUTING = 0;
public final static int BROUTER_ENGINEMODE_SEED = 1;
public final static int BROUTER_ENGINEMODE_OTHER = 2;
public final static int BROUTER_ENGINEMODE_GETELEV = 2;
private NodesCache nodesCache;
private SortedHeap<OsmPath> openSet = new SortedHeap<OsmPath>();
@ -50,6 +50,7 @@ public class RoutingEngine extends Thread {
private OsmTrack foundRawTrack = null;
private int alternativeIndex = 0;
protected String outputMessage = null;
protected String errorMessage = null;
private volatile boolean terminated;
@ -81,7 +82,7 @@ public class RoutingEngine extends Thread {
public RoutingEngine(String outfileBase, String logfileBase, File segmentDir,
List<OsmNodeNamed> waypoints, RoutingContext rc) {
this(0, outfileBase, logfileBase, segmentDir,
waypoints, rc);
waypoints, rc);
}
public RoutingEngine(int engineMode, String outfileBase, String logfileBase, File segmentDir,
@ -94,7 +95,6 @@ public class RoutingEngine extends Thread {
this.routingContext = rc;
this.engineMode = engineMode;
File baseFolder = new File(routingContext.localFunction).getParentFile();
baseFolder = baseFolder == null ? null : baseFolder.getParentFile();
if (baseFolder != null) {
@ -120,6 +120,7 @@ public class RoutingEngine extends Thread {
if (hasInfo()) {
logInfo("parsed profile " + rc.localFunction + " cached=" + cachedProfile);
}
}
private boolean hasInfo() {
@ -153,11 +154,19 @@ public class RoutingEngine extends Thread {
}
public void doRun(long maxRunningTime) {
switch (engineMode) {
case BROUTER_ENGINEMODE_ROUTING: doRouting(maxRunningTime); break;
case BROUTER_ENGINEMODE_SEED: /* do nothing, handled the old way */ break;
case BROUTER_ENGINEMODE_OTHER: /* call others */ break;
default: doRouting(maxRunningTime); break;
case BROUTER_ENGINEMODE_ROUTING:
doRouting(maxRunningTime);
break;
case BROUTER_ENGINEMODE_SEED: /* do nothing, handled the old way */
break;
case BROUTER_ENGINEMODE_GETELEV:
doGetElev();
break;
default:
doRouting(maxRunningTime);
break;
}
}
@ -262,6 +271,44 @@ public class RoutingEngine extends Thread {
}
}
public void doGetElev() {
try {
startTime = System.currentTimeMillis();
routingContext.turnInstructionMode = 9;
MatchedWaypoint wpt1 = new MatchedWaypoint();
wpt1.waypoint = waypoints.get(0);
wpt1.name = "wpt_info";
List<MatchedWaypoint> listOne = new ArrayList<MatchedWaypoint>();
listOne.add(wpt1);
matchWaypointsToNodes(listOne);
resetCache(true);
nodesCache.nodesMap.cleanupMode = 0;
int dist_cn1 = listOne.get(0).crosspoint.calcDistance(listOne.get(0).node1);
int dist_cn2 = listOne.get(0).crosspoint.calcDistance(listOne.get(0).node2);
OsmNode startNode;
if (dist_cn1 < dist_cn2) {
startNode = nodesCache.getStartNode(listOne.get(0).node1.getIdFromPos());
} else {
startNode = nodesCache.getStartNode(listOne.get(0).node2.getIdFromPos());
}
OsmNodeNamed n = new OsmNodeNamed(listOne.get(0).crosspoint);
n.selev = startNode != null ? startNode.getSElev() : Short.MIN_VALUE;
outputMessage = OsmTrack.formatAsGpxWaypoint(n);
long endTime = System.currentTimeMillis();
logInfo("execution time = " + (endTime - startTime) / 1000. + " seconds");
} catch (Exception e) {
e.getStackTrace();
logException(e);
}
}
private void postElevationCheck(OsmTrack track) {
OsmPathElement lastPt = null;
OsmPathElement startPt = null;
@ -1568,6 +1615,10 @@ public class RoutingEngine extends Thread {
return foundTrack;
}
public String getFoundInfo() {
return outputMessage;
}
public int getAlternativeIndex() {
return alternativeIndex;
}