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Fix routing with needles

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This commit is contained in:
Victor Shcherb 2014-11-28 00:57:34 +01:00
parent 8d75159aec
commit 107b5259f9
1 changed files with 33 additions and 5 deletions
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38
OsmAnd-java/src/net/osmand/router/BinaryRoutePlanner.java
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@ -28,7 +28,7 @@ public class BinaryRoutePlanner {
protected static final Log log = PlatformUtil.getLog(BinaryRoutePlanner.class);
private static final int ROUTE_POINTS = 11;
private static final boolean TRACE_ROUTING = false;
private static final boolean TRACE_ROUTING = true;
public static double squareRootDist(int x1, int y1, int x2, int y2) {
@ -135,6 +135,7 @@ public class BinaryRoutePlanner {
checkIfGraphIsEmpty(ctx, ctx.getPlanRoadDirection() >= 0, graphDirectSegments, start, visitedDirectSegments,
"Route is not found from selected start point.");
if (ctx.planRouteIn2Directions()) {
if(!graphDirectSegments.isEmpty() && !graphReverseSegments.isEmpty())
forwardSearch = (nonHeuristicSegmentsComparator.compare(graphDirectSegments.peek(), graphReverseSegments.peek()) < 0);
// if (graphDirectSegments.size() * 2 > graphReverseSegments.size()) {
// forwardSearch = false;
@ -207,13 +208,40 @@ public class BinaryRoutePlanner {
}
}
public RouteSegment initRouteSegment(final RoutingContext ctx, RouteSegment segment, boolean positiveDirection) {
if(segment.getSegmentStart() == 0 && !positiveDirection && segment.getRoad().getPointsLength() > 0) {
segment = loadSameSegment(ctx, segment, 1);
} else if(segment.getSegmentStart() == segment.getRoad().getPointsLength() -1 && positiveDirection && segment.getSegmentStart() > 0) {
segment = loadSameSegment(ctx, segment, segment.getSegmentStart() -1);
}
if(segment == null) {
return null;
}
return segment.initRouteSegment(positiveDirection);
}
protected RouteSegment loadSameSegment(final RoutingContext ctx, RouteSegment segment, int ind) {
int x31 = segment.getRoad().getPoint31XTile(ind);
int y31 = segment.getRoad().getPoint31YTile(ind);
RouteSegment s = ctx.loadRouteSegment(x31, y31, 0);
while(s != null) {
if(s.getRoad().getId() == segment.getRoad().getId()) {
segment = s;
break;
}
s = s.getNext();
}
return segment;
}
private void initQueuesWithStartEnd(final RoutingContext ctx, RouteSegment start, RouteSegment end,
PriorityQueue<RouteSegment> graphDirectSegments, PriorityQueue<RouteSegment> graphReverseSegments) {
RouteSegment startPos = start.initRouteSegment(true);
RouteSegment startNeg = start.initRouteSegment(false);
RouteSegment endPos = end.initRouteSegment(true);
RouteSegment endNeg = end.initRouteSegment(false);
RouteSegment startPos = initRouteSegment(ctx, start, true);
RouteSegment startNeg = initRouteSegment(ctx, start, false);
RouteSegment endPos = initRouteSegment(ctx, end, true);
RouteSegment endNeg = initRouteSegment(ctx, end, false);
// for start : f(start) = g(start) + h(start) = 0 + h(start) = h(start)
if(ctx.config.initialDirection != null) {
// mark here as positive for further check