OsmAnd/OsmAnd-java/src/net/osmand/router/RouteResultPreparation.java

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package net.osmand.router;
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import gnu.trove.list.array.TIntArrayList;
import gnu.trove.set.hash.TIntHashSet;
import java.io.IOException;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
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import net.osmand.PlatformUtil;
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import net.osmand.binary.BinaryInspector;
import net.osmand.binary.BinaryMapIndexReader;
import net.osmand.binary.BinaryMapRouteReaderAdapter.RouteTypeRule;
import net.osmand.binary.RouteDataObject;
import net.osmand.data.LatLon;
import net.osmand.router.BinaryRoutePlanner.FinalRouteSegment;
import net.osmand.router.BinaryRoutePlanner.RouteSegment;
import net.osmand.router.RoutePlannerFrontEnd.RouteCalculationMode;
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import net.osmand.util.Algorithms;
import net.osmand.util.MapUtils;
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import org.apache.commons.logging.Log;
public class RouteResultPreparation {
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public static boolean PRINT_TO_CONSOLE_ROUTE_INFORMATION_TO_TEST = false;
private static final float TURN_DEGREE_MIN = 45;
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private Log log = PlatformUtil.getLog(RouteResultPreparation.class);
/**
* Helper method to prepare final result
*/
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List<RouteSegmentResult> prepareResult(RoutingContext ctx, FinalRouteSegment finalSegment) throws IOException {
List<RouteSegmentResult> result = convertFinalSegmentToResults(ctx, finalSegment);
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prepareResult(ctx, result);
return result;
}
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List<RouteSegmentResult> prepareResult(RoutingContext ctx, List<RouteSegmentResult> result) throws IOException {
validateAllPointsConnected(result);
splitRoadsAndAttachRoadSegments(ctx, result);
calculateTimeSpeed(ctx, result);
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for (int i = 0; i < result.size(); i ++) {
TurnType turnType = getTurnInfo(result, i, ctx.leftSideNavigation);
result.get(i).setTurnType(turnType);
}
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determineTurnsToMerge(ctx.leftSideNavigation, result);
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justifyUTurns(ctx.leftSideNavigation, result);
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addTurnInfoDescriptions(result);
return result;
}
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private void justifyUTurns(boolean leftSide, List<RouteSegmentResult> result) {
int next;
for (int i = 0; i < result.size() - 1; i = next) {
next = i + 1;
TurnType t = result.get(i).getTurnType();
// justify turn
if (t != null) {
TurnType jt = justifyUTurn(leftSide, result, i, t);
if (jt != null) {
result.get(i).setTurnType(jt);
next = i + 2;
}
}
}
}
private void calculateTimeSpeed(RoutingContext ctx, List<RouteSegmentResult> result) throws IOException {
for (int i = 0; i < result.size(); i++) {
RouteSegmentResult rr = result.get(i);
RouteDataObject road = rr.getObject();
double distOnRoadToPass = 0;
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double speed = ctx.getRouter().defineVehicleSpeed(road);
if (speed == 0) {
speed = ctx.getRouter().getMinDefaultSpeed();
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} else {
if(speed > 15) {
// decrease speed proportionally from 15ms=50kmh -
// reference speed 30ms=108kmh - 7kmh
speed = speed - ((speed - 15f) / (30f - 15f) * 2f);
}
}
boolean plus = rr.getStartPointIndex() < rr.getEndPointIndex();
int next;
double distance = 0;
for (int j = rr.getStartPointIndex(); j != rr.getEndPointIndex(); j = next) {
next = plus ? j + 1 : j - 1;
double d = measuredDist(road.getPoint31XTile(j), road.getPoint31YTile(j), road.getPoint31XTile(next),
road.getPoint31YTile(next));
distance += d;
double obstacle = ctx.getRouter().defineObstacle(road, j);
if (obstacle < 0) {
obstacle = 0;
}
distOnRoadToPass += d / speed + obstacle;
}
// last point turn time can be added
// if(i + 1 < result.size()) { distOnRoadToPass += ctx.getRouter().calculateTurnTime(); }
rr.setSegmentTime((float) distOnRoadToPass);
rr.setSegmentSpeed((float) speed);
rr.setDistance((float) distance);
}
}
private void splitRoadsAndAttachRoadSegments(RoutingContext ctx, List<RouteSegmentResult> result) throws IOException {
for (int i = 0; i < result.size(); i++) {
if (ctx.checkIfMemoryLimitCritical(ctx.config.memoryLimitation)) {
ctx.unloadUnusedTiles(ctx.config.memoryLimitation);
}
RouteSegmentResult rr = result.get(i);
RouteDataObject road = rr.getObject();
checkAndInitRouteRegion(ctx, road);
boolean plus = rr.getStartPointIndex() < rr.getEndPointIndex();
int next;
for (int j = rr.getStartPointIndex(); j != rr.getEndPointIndex(); j = next) {
next = plus ? j + 1 : j - 1;
if (j == rr.getStartPointIndex()) {
attachRoadSegments(ctx, result, i, j, plus);
}
if (next != rr.getEndPointIndex()) {
attachRoadSegments(ctx, result, i, next, plus);
}
List<RouteSegmentResult> attachedRoutes = rr.getAttachedRoutes(next);
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boolean tryToSplit = next != rr.getEndPointIndex() && !rr.getObject().roundabout() && attachedRoutes != null;
if(rr.getDistance(next, plus ) == 0) {
// same point will be processed next step
tryToSplit = false;
}
if (tryToSplit) {
// avoid small zigzags
float before = rr.getBearing(next, !plus);
float after = rr.getBearing(next, plus);
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if(rr.getDistance(next, plus ) < 5) {
after = before + 180;
} else if(rr.getDistance(next, !plus ) < 5) {
before = after - 180;
}
boolean straight = Math.abs(MapUtils.degreesDiff(before + 180, after)) < TURN_DEGREE_MIN;
boolean isSplit = false;
// split if needed
for (RouteSegmentResult rs : attachedRoutes) {
double diff = MapUtils.degreesDiff(before + 180, rs.getBearingBegin());
if (Math.abs(diff) <= TURN_DEGREE_MIN) {
isSplit = true;
} else if (!straight && Math.abs(diff) < 100) {
isSplit = true;
}
}
if (isSplit) {
int endPointIndex = rr.getEndPointIndex();
RouteSegmentResult split = new RouteSegmentResult(rr.getObject(), next, endPointIndex);
split.copyPreattachedRoutes(rr, Math.abs(next - rr.getStartPointIndex()));
rr.setEndPointIndex(next);
result.add(i + 1, split);
i++;
// switch current segment to the splitted
rr = split;
}
}
}
}
}
private void checkAndInitRouteRegion(RoutingContext ctx, RouteDataObject road) throws IOException {
BinaryMapIndexReader reader = ctx.reverseMap.get(road.region);
if(reader != null) {
reader.initRouteRegion(road.region);
}
}
private void validateAllPointsConnected(List<RouteSegmentResult> result) {
for (int i = 1; i < result.size(); i++) {
RouteSegmentResult rr = result.get(i);
RouteSegmentResult pr = result.get(i - 1);
double d = MapUtils.getDistance(pr.getPoint(pr.getEndPointIndex()), rr.getPoint(rr.getStartPointIndex()));
if (d > 0) {
System.err.println("Points are not connected : " + pr.getObject() + "(" + pr.getEndPointIndex() + ") -> " + rr.getObject()
+ "(" + rr.getStartPointIndex() + ") " + d + " meters");
}
}
}
private List<RouteSegmentResult> convertFinalSegmentToResults(RoutingContext ctx, FinalRouteSegment finalSegment) {
List<RouteSegmentResult> result = new ArrayList<RouteSegmentResult>();
if (finalSegment != null) {
ctx.routingTime = finalSegment.distanceFromStart;
println("Routing calculated time distance " + finalSegment.distanceFromStart);
// Get results from opposite direction roads
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RouteSegment segment = finalSegment.reverseWaySearch ? finalSegment :
finalSegment.opposite.getParentRoute();
int parentSegmentStart = finalSegment.reverseWaySearch ? finalSegment.opposite.getSegmentStart() :
finalSegment.opposite.getParentSegmentEnd();
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float parentRoutingTime = -1;
while (segment != null) {
RouteSegmentResult res = new RouteSegmentResult(segment.road, parentSegmentStart, segment.getSegmentStart());
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parentRoutingTime = calcRoutingTime(parentRoutingTime, finalSegment, segment, res);
parentSegmentStart = segment.getParentSegmentEnd();
segment = segment.getParentRoute();
addRouteSegmentToResult(ctx, result, res, false);
}
// reverse it just to attach good direction roads
Collections.reverse(result);
segment = finalSegment.reverseWaySearch ? finalSegment.opposite.getParentRoute() : finalSegment;
int parentSegmentEnd = finalSegment.reverseWaySearch ? finalSegment.opposite.getParentSegmentEnd() : finalSegment.opposite.getSegmentStart();
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parentRoutingTime = -1;
while (segment != null) {
RouteSegmentResult res = new RouteSegmentResult(segment.road, segment.getSegmentStart(), parentSegmentEnd);
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parentRoutingTime = calcRoutingTime(parentRoutingTime, finalSegment, segment, res);
parentSegmentEnd = segment.getParentSegmentEnd();
segment = segment.getParentRoute();
// happens in smart recalculation
addRouteSegmentToResult(ctx, result, res, true);
}
Collections.reverse(result);
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// checkTotalRoutingTime(result);
}
return result;
}
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protected void checkTotalRoutingTime(List<RouteSegmentResult> result) {
float totalRoutingTime = 0;
for(RouteSegmentResult r : result) {
totalRoutingTime += r.getRoutingTime();
}
println("Total routing time ! " + totalRoutingTime);
}
private float calcRoutingTime(float parentRoutingTime, RouteSegment finalSegment, RouteSegment segment,
RouteSegmentResult res) {
if(segment != finalSegment) {
if(parentRoutingTime != -1) {
res.setRoutingTime(parentRoutingTime - segment.distanceFromStart);
}
parentRoutingTime = segment.distanceFromStart;
}
return parentRoutingTime;
}
private void addRouteSegmentToResult(RoutingContext ctx, List<RouteSegmentResult> result, RouteSegmentResult res, boolean reverse) {
if (res.getStartPointIndex() != res.getEndPointIndex()) {
if (result.size() > 0) {
RouteSegmentResult last = result.get(result.size() - 1);
if (last.getObject().id == res.getObject().id && ctx.calculationMode != RouteCalculationMode.BASE) {
if (combineTwoSegmentResult(res, last, reverse)) {
return;
}
}
}
result.add(res);
}
}
private boolean combineTwoSegmentResult(RouteSegmentResult toAdd, RouteSegmentResult previous,
boolean reverse) {
boolean ld = previous.getEndPointIndex() > previous.getStartPointIndex();
boolean rd = toAdd.getEndPointIndex() > toAdd.getStartPointIndex();
if (rd == ld) {
if (toAdd.getStartPointIndex() == previous.getEndPointIndex() && !reverse) {
previous.setEndPointIndex(toAdd.getEndPointIndex());
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previous.setRoutingTime(previous.getRoutingTime() + toAdd.getRoutingTime());
return true;
} else if (toAdd.getEndPointIndex() == previous.getStartPointIndex() && reverse) {
previous.setStartPointIndex(toAdd.getStartPointIndex());
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previous.setRoutingTime(previous.getRoutingTime() + toAdd.getRoutingTime());
return true;
}
}
return false;
}
void printResults(RoutingContext ctx, LatLon start, LatLon end, List<RouteSegmentResult> result) {
float completeTime = 0;
float completeDistance = 0;
for(RouteSegmentResult r : result) {
completeTime += r.getSegmentTime();
completeDistance += r.getDistance();
}
println("ROUTE : ");
double startLat = start.getLatitude();
double startLon = start.getLongitude();
double endLat = end.getLatitude();
double endLon = end.getLongitude();
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String msg = MessageFormat.format("<test regions=\"\" description=\"\" best_percent=\"\" vehicle=\"{4}\" \n"
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+ " start_lat=\"{0}\" start_lon=\"{1}\" target_lat=\"{2}\" target_lon=\"{3}\" {5} >",
startLat + "", startLon + "", endLat + "", endLon + "", ctx.config.routerName,
"loadedTiles = \"" + ctx.loadedTiles + "\" " + "visitedSegments = \"" + ctx.visitedSegments + "\" " +
"complete_distance = \"" + completeDistance + "\" " + "complete_time = \"" + completeTime + "\" " +
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"routing_time = \"" + ctx.routingTime + "\" ");
log.info(msg);
println(msg);
if (PRINT_TO_CONSOLE_ROUTE_INFORMATION_TO_TEST) {
for (RouteSegmentResult res : result) {
String name = res.getObject().getName();
String ref = res.getObject().getRef();
if (name == null) {
name = "";
}
if (ref != null) {
name += " (" + ref + ") ";
}
StringBuilder additional = new StringBuilder();
additional.append("time = \"").append(res.getSegmentTime()).append("\" ");
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additional.append("rtime = \"").append(res.getRoutingTime()).append("\" ");
additional.append("name = \"").append(name).append("\" ");
// float ms = res.getSegmentSpeed();
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float ms = res.getObject().getMaximumSpeed(res.isForwardDirection());
if(ms > 0) {
additional.append("maxspeed = \"").append(ms * 3.6f).append("\" ").append(res.getObject().getHighway()).append(" ");
}
additional.append("distance = \"").append(res.getDistance()).append("\" ");
if (res.getTurnType() != null) {
additional.append("turn = \"").append(res.getTurnType()).append("\" ");
additional.append("turn_angle = \"").append(res.getTurnType().getTurnAngle()).append("\" ");
if (res.getTurnType().getLanes() != null) {
additional.append("lanes = \"").append(Arrays.toString(res.getTurnType().getLanes())).append("\" ");
}
}
additional.append("start_bearing = \"").append(res.getBearingBegin()).append("\" ");
additional.append("end_bearing = \"").append(res.getBearingEnd()).append("\" ");
additional.append("description = \"").append(res.getDescription()).append("\" ");
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println(MessageFormat.format("\t<segment id=\"{0}\" oid=\"{1}\" start=\"{2}\" end=\"{3}\" {4}/>",
(res.getObject().getId() >> (BinaryInspector.SHIFT_ID )) + "", res.getObject().getId() + "",
res.getStartPointIndex() + "", res.getEndPointIndex() + "", additional.toString()));
printAdditionalPointInfo(res);
}
}
println("</test>");
}
private void printAdditionalPointInfo(RouteSegmentResult res) {
boolean plus = res.getStartPointIndex() < res.getEndPointIndex();
for(int k = res.getStartPointIndex(); k != res.getEndPointIndex(); ) {
int[] tp = res.getObject().getPointTypes(k);
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String[] pointNames = res.getObject().getPointNames(k);
int[] pointNameTypes = res.getObject().getPointNameTypes(k);
if (tp != null || pointNameTypes != null) {
StringBuilder bld = new StringBuilder();
bld.append("<point ");
if (tp != null) {
for (int t = 0; t < tp.length; t++) {
RouteTypeRule rr = res.getObject().region.quickGetEncodingRule(tp[t]);
bld.append(" " + rr.getTag() + "=\"" + rr.getValue() + "\"");
}
}
if (pointNameTypes != null) {
for (int t = 0; t < pointNameTypes.length; t++) {
RouteTypeRule rr = res.getObject().region.quickGetEncodingRule(pointNameTypes[t]);
bld.append(" " + rr.getTag() + "=\"" + pointNames[t] + "\"");
}
}
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bld.append("/>");
println("\t"+bld.toString());
}
if(plus) {
k++;
} else {
k--;
}
}
}
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protected void addTurnInfoDescriptions(List<RouteSegmentResult> result) {
int prevSegment = -1;
float dist = 0;
for (int i = 0; i <= result.size(); i++) {
if (i == result.size() || result.get(i).getTurnType() != null) {
if (prevSegment >= 0) {
String turn = result.get(prevSegment).getTurnType().toString();
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final int[] lns = result.get(prevSegment).getTurnType().getLanes();
if (lns != null) {
String s = "[ ";
for (int h = 0; h < lns.length; h++) {
if (h > 0) {
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s += " | ";
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}
if (lns[h] % 2 == 1) {
s += "+";
}
int pt = TurnType.getPrimaryTurn(lns[h]);
if (pt == 0) {
pt = 1;
}
s += TurnType.valueOf(pt, false).toXmlString();
int st = TurnType.getSecondaryTurn(lns[h]);
if (st != 0) {
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s += "," + TurnType.valueOf(st, false).toXmlString();
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}
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int tt = TurnType.getTertiaryTurn(lns[h]);
if (tt != 0) {
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s += "," + TurnType.valueOf(tt, false).toXmlString();
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}
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}
s += "]";
turn += s;
}
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result.get(prevSegment).setDescription(
turn + MessageFormat.format(" and go {0,number,#.##} meters", dist));
if (result.get(prevSegment).getTurnType().isSkipToSpeak()) {
result.get(prevSegment).setDescription("-*" + result.get(prevSegment).getDescription());
}
}
prevSegment = i;
dist = 0;
}
if (i < result.size()) {
dist += result.get(i).getDistance();
}
}
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}
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protected TurnType justifyUTurn(boolean leftside, List<RouteSegmentResult> result, int i, TurnType t) {
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boolean tl = TurnType.isLeftTurnNoUTurn(t.getValue());
boolean tr = TurnType.isRightTurnNoUTurn(t.getValue());
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if(tl || tr) {
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TurnType tnext = result.get(i + 1).getTurnType();
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if (tnext != null && result.get(i).getDistance() < 50) { //
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boolean ut = true;
if (i > 0) {
double uTurn = MapUtils.degreesDiff(result.get(i - 1).getBearingEnd(), result
.get(i + 1).getBearingBegin());
if (Math.abs(uTurn) < 120) {
ut = false;
}
}
String highway = result.get(i).getObject().getHighway();
if(highway == null || highway.endsWith("track") || highway.endsWith("services") || highway.endsWith("service")
|| highway.endsWith("path")) {
ut = false;
}
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if (result.get(i).getObject().getOneway() == 0 || result.get(i + 1).getObject().getOneway() == 0) {
ut = false;
}
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if (!Algorithms.objectEquals(result.get(i).getObject().getName(),
result.get(i + 1).getObject().getName())) {
ut = false;
}
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if (ut) {
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tnext.setSkipToSpeak(true);
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if (tl && TurnType.isLeftTurnNoUTurn(tnext.getValue())) {
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TurnType tt = TurnType.valueOf(TurnType.TU, false);
tt.setLanes(t.getLanes());
return tt;
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} else if (tr && TurnType.isRightTurnNoUTurn(tnext.getValue())) {
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TurnType tt = TurnType.valueOf(TurnType.TU, true);
tt.setLanes(t.getLanes());
return tt;
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}
}
}
}
return null;
}
private void determineTurnsToMerge(boolean leftside, List<RouteSegmentResult> result) {
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RouteSegmentResult nextSegment = null;
double dist = 0;
for (int i = result.size() - 1; i >= 0; i--) {
RouteSegmentResult currentSegment = result.get(i);
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TurnType currentTurn = currentSegment.getTurnType();
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dist += currentSegment.getDistance();
if (currentTurn == null || currentTurn.getLanes() == null) {
// skip
} else {
if (nextSegment != null) {
String hw = currentSegment.getObject().getHighway();
double mergeDistance = 200;
if (hw != null && (hw.startsWith("trunk") || hw.startsWith("motorway"))) {
mergeDistance = 400;
}
if (dist < mergeDistance) {
mergeTurnLanes(leftside, currentSegment, nextSegment);
}
}
nextSegment = currentSegment;
dist = 0;
}
}
}
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private class MergeTurnLaneTurn {
TurnType turn;
int[] originalLanes;
int[] disabledLanes;
int activeStartIndex = -1;
int activeEndIndex = -1;
int activeLen = 0;
public MergeTurnLaneTurn(RouteSegmentResult segment) {
this.turn = segment.getTurnType();
if(turn != null) {
originalLanes = turn.getLanes();
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}
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if(originalLanes != null) {
disabledLanes = new int[originalLanes.length];
for (int i = 0; i < originalLanes.length; i++) {
int ln = originalLanes[i];
disabledLanes[i] = ln & ~1;
if ((ln & 1) > 0) {
if (activeStartIndex == -1) {
activeStartIndex = i;
}
activeEndIndex = i;
activeLen++;
}
}
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}
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}
public boolean isActiveTurnMostLeft() {
return activeStartIndex == 0;
}
public boolean isActiveTurnMostRight() {
return activeEndIndex == originalLanes.length - 1;
}
}
private void mergeTurnLanes(boolean leftSide, RouteSegmentResult currentSegment, RouteSegmentResult nextSegment) {
MergeTurnLaneTurn active = new MergeTurnLaneTurn(currentSegment);
MergeTurnLaneTurn target = new MergeTurnLaneTurn(nextSegment);
if (active.activeLen < 2) {
return;
}
if (target.activeStartIndex == -1) {
return;
}
boolean changed = false;
if (target.isActiveTurnMostLeft()) {
// let only the most left lanes be enabled
if (target.activeLen <= active.activeLen) {
active.activeEndIndex -= (active.activeLen - target.activeLen);
changed = true;
}
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} else if (target.isActiveTurnMostRight()) {
// next turn is right
// let only the most right lanes be enabled
if (target.activeLen < active.activeLen) {
active.activeStartIndex += (active.activeLen - target.activeLen);
changed = true;
}
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} else {
// next turn is get through (take out the left and the right turn)
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if (target.activeLen < active.activeLen) {
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if(target.originalLanes.length == active.activeLen) {
active.activeEndIndex = active.activeStartIndex + target.activeEndIndex;
active.activeStartIndex = active.activeStartIndex + target.activeStartIndex;
changed = true;
} else {
float ratio = (active.activeLen - target.activeLen) / 2f;
active.activeEndIndex = (int) Math.ceil(active.activeEndIndex - ratio);
active.activeStartIndex = (int) Math.floor(active.activeStartIndex + ratio);
changed = true;
}
}
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}
if (!changed) {
return;
}
// set the allowed lane bit
for (int i = 0; i < active.disabledLanes.length; i++) {
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if (i >= active.activeStartIndex && i <= active.activeEndIndex &&
active.originalLanes[i] % 2 == 1) {
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active.disabledLanes[i] |= 1;
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}
}
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TurnType currentTurn = currentSegment.getTurnType();
currentTurn.setLanes(active.disabledLanes);
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// There is a test which fails that assumption and there is no contr-test how it could help here
// int turn = inferTurnFromLanes(active.disabledLanes);
// if (turn != 0 && turn != currentTurn.getValue()) {
// TurnType newTurnType = TurnType.valueOf(turn, leftSide);
// newTurnType.setLanes(active.disabledLanes);
// newTurnType.setSkipToSpeak(currentTurn.isSkipToSpeak());
// currentSegment.setTurnType(newTurnType);
// }
}
private static final int MAX_SPEAK_PRIORITY = 5;
private int highwaySpeakPriority(String highway) {
if(highway == null || highway.endsWith("track") || highway.endsWith("services") || highway.endsWith("service")
|| highway.endsWith("path")) {
return MAX_SPEAK_PRIORITY;
}
if (highway.endsWith("_link") || highway.endsWith("unclassified") || highway.endsWith("road")
|| highway.endsWith("living_street") || highway.endsWith("residential") ) {
return 1;
}
return 0;
}
private TurnType getTurnInfo(List<RouteSegmentResult> result, int i, boolean leftSide) {
if (i == 0) {
return TurnType.valueOf(TurnType.C, false);
}
RouteSegmentResult prev = result.get(i - 1) ;
if(prev.getObject().roundabout()) {
// already analyzed!
return null;
}
RouteSegmentResult rr = result.get(i);
if (rr.getObject().roundabout()) {
return processRoundaboutTurn(result, i, leftSide, prev, rr);
}
TurnType t = null;
if (prev != null) {
boolean noAttachedRoads = rr.getAttachedRoutes(rr.getStartPointIndex()).size() == 0;
// add description about turn
double mpi = MapUtils.degreesDiff(prev.getBearingEnd(), rr.getBearingBegin());
if(noAttachedRoads){
// TODO VICTOR : look at the comment inside direction route
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// ? avoid small zigzags is covered at (search for "zigzags")
// double begin = rr.getObject().directionRoute(rr.getStartPointIndex(), rr.getStartPointIndex() <
// rr.getEndPointIndex(), 25);
// mpi = MapUtils.degreesDiff(prev.getBearingEnd(), begin);
}
if (mpi >= TURN_DEGREE_MIN) {
if (mpi < 45) {
// Slight turn detection here causes many false positives where drivers would expect a "normal" TL. Best use limit-angle=TURN_DEGREE_MIN, this reduces TSL to the turn-lanes cases.
t = TurnType.valueOf(TurnType.TSLL, leftSide);
} else if (mpi < 120) {
t = TurnType.valueOf(TurnType.TL, leftSide);
} else if (mpi < 150 || leftSide) {
t = TurnType.valueOf(TurnType.TSHL, leftSide);
} else {
t = TurnType.valueOf(TurnType.TU, leftSide);
}
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int[] lanes = getTurnLanesInfo(prev, t.getValue());
t.setLanes(lanes);
} else if (mpi < -TURN_DEGREE_MIN) {
if (mpi > -45) {
t = TurnType.valueOf(TurnType.TSLR, leftSide);
} else if (mpi > -120) {
t = TurnType.valueOf(TurnType.TR, leftSide);
} else if (mpi > -150 || !leftSide) {
t = TurnType.valueOf(TurnType.TSHR, leftSide);
} else {
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t = TurnType.valueOf(TurnType.TRU, leftSide);
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}
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int[] lanes = getTurnLanesInfo(prev, t.getValue());
t.setLanes(lanes);
} else {
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t = attachKeepLeftInfoAndLanes(leftSide, prev, rr);
}
if (t != null) {
t.setTurnAngle((float) -mpi);
}
}
return t;
}
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private int[] getTurnLanesInfo(RouteSegmentResult prevSegm, int mainTurnType) {
String turnLanes = getTurnLanesString(prevSegm);
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int[] lanesArray ;
if (turnLanes == null) {
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if(prevSegm.getTurnType() != null && prevSegm.getTurnType().getLanes() != null
&& prevSegm.getDistance() < 100) {
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int[] lns = prevSegm.getTurnType().getLanes();
TIntArrayList lst = new TIntArrayList();
for(int i = 0; i < lns.length; i++) {
if(lns[i] % 2 == 1) {
lst.add((lns[i] >> 1) << 1);
}
}
if(lst.isEmpty()) {
return null;
}
lanesArray = lst.toArray();
} else {
return null;
}
} else {
lanesArray = calculateRawTurnLanes(turnLanes, mainTurnType);
}
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// Manually set the allowed lanes.
boolean isSet = setAllowedLanes(mainTurnType, lanesArray);
if(!isSet && lanesArray.length > 0) {
// In some cases (at least in the US), the rightmost lane might not have a right turn indicated as per turn:lanes,
// but is allowed and being used here. This section adds in that indicator. The same applies for where leftSide is true.
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boolean leftTurn = TurnType.isLeftTurn(mainTurnType);
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int ind = leftTurn? 0 : lanesArray.length - 1;
final int tt = TurnType.getPrimaryTurn(lanesArray[ind]);
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final int st = TurnType.getSecondaryTurn(lanesArray[ind]);
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if (leftTurn) {
if (!TurnType.isLeftTurn(tt)) {
// This was just to make sure that there's no bad data.
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TurnType.setPrimaryTurnAndReset(lanesArray, ind, TurnType.TL);
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TurnType.setSecondaryTurn(lanesArray, ind, tt);
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TurnType.setTertiaryTurn(lanesArray, ind, st);
lanesArray[ind] |= 1;
}
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} else {
if (!TurnType.isRightTurn(tt)) {
// This was just to make sure that there's no bad data.
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TurnType.setPrimaryTurnAndReset(lanesArray, ind, TurnType.TR);
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TurnType.setSecondaryTurn(lanesArray, ind, tt);
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TurnType.setTertiaryTurn(lanesArray, ind, st);
lanesArray[ind] |= 1;
}
}
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setAllowedLanes(tt, lanesArray);
}
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return lanesArray;
}
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protected boolean setAllowedLanes(int mainTurnType, int[] lanesArray) {
boolean turnSet = false;
for (int i = 0; i < lanesArray.length; i++) {
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if (TurnType.getPrimaryTurn(lanesArray[i]) == mainTurnType) {
lanesArray[i] |= 1;
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turnSet = true;
}
}
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return turnSet;
}
private TurnType processRoundaboutTurn(List<RouteSegmentResult> result, int i, boolean leftSide, RouteSegmentResult prev,
RouteSegmentResult rr) {
int exit = 1;
RouteSegmentResult last = rr;
for (int j = i; j < result.size(); j++) {
RouteSegmentResult rnext = result.get(j);
last = rnext;
if (rnext.getObject().roundabout()) {
boolean plus = rnext.getStartPointIndex() < rnext.getEndPointIndex();
int k = rnext.getStartPointIndex();
if (j == i) {
// first exit could be immediately after roundabout enter
// k = plus ? k + 1 : k - 1;
}
while (k != rnext.getEndPointIndex()) {
int attachedRoads = rnext.getAttachedRoutes(k).size();
if(attachedRoads > 0) {
exit++;
}
k = plus ? k + 1 : k - 1;
}
} else {
break;
}
}
// combine all roundabouts
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TurnType t = TurnType.getExitTurn(exit, 0, leftSide);
t.setTurnAngle((float) MapUtils.degreesDiff(last.getBearingBegin(), prev.getBearingEnd())) ;
return t;
}
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private class RoadSplitStructure {
boolean keepLeft = false;
boolean keepRight = false;
boolean speak = false;
int leftLanes = 0;
int rightLanes = 0;
int roadsOnLeft = 0;
int addRoadsOnLeft = 0;
int roadsOnRight = 0;
int addRoadsOnRight = 0;
}
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private TurnType attachKeepLeftInfoAndLanes(boolean leftSide, RouteSegmentResult prevSegm, RouteSegmentResult currentSegm) {
List<RouteSegmentResult> attachedRoutes = currentSegm.getAttachedRoutes(currentSegm.getStartPointIndex());
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if(attachedRoutes == null || attachedRoutes.size() == 0) {
return null;
}
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// keep left/right
RoadSplitStructure rs = calculateRoadSplitStructure(prevSegm, currentSegm, attachedRoutes);
if(rs.roadsOnLeft + rs.roadsOnRight == 0) {
return null;
}
// turn lanes exist
String turnLanes = getTurnLanesString(prevSegm);
if (turnLanes != null) {
return createKeepLeftRightTurnBasedOnTurnTypes(rs, prevSegm, currentSegm, turnLanes, leftSide);
}
// turn lanes don't exist
if (rs.keepLeft || rs.keepRight) {
return createSimpleKeepLeftRightTurn(leftSide, prevSegm, currentSegm, rs);
}
return null;
}
protected TurnType createKeepLeftRightTurnBasedOnTurnTypes(RoadSplitStructure rs, RouteSegmentResult prevSegm,
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RouteSegmentResult currentSegm, String turnLanes, boolean leftSide) {
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// Maybe going straight at a 90-degree intersection
TurnType t = TurnType.valueOf(TurnType.C, leftSide);
int[] rawLanes = calculateRawTurnLanes(turnLanes, TurnType.C);
if (rs.keepLeft || rs.keepRight) {
String[] splitLaneOptions = turnLanes.split("\\|", -1);
int activeBeginIndex = findActiveIndex(rawLanes, splitLaneOptions, rs.leftLanes, true,
rs.roadsOnLeft, rs.addRoadsOnLeft);
int activeEndIndex = findActiveIndex(rawLanes, splitLaneOptions, rs.rightLanes, false,
rs.roadsOnRight, rs.addRoadsOnRight);
if (activeBeginIndex == -1 || activeEndIndex == -1 || activeBeginIndex > activeEndIndex) {
// something went wrong
return createSimpleKeepLeftRightTurn(leftSide, prevSegm, currentSegm, rs);
}
for (int k = 0; k < rawLanes.length; k++) {
if (k >= activeBeginIndex && k <= activeEndIndex) {
rawLanes[k] |= 1;
}
}
int tp = inferTurnFromLanes(rawLanes);
if (tp != t.getValue() && tp != 0) {
t = TurnType.valueOf(tp, leftSide);
}
} else {
for (int k = 0; k < rawLanes.length; k++) {
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int turn = TurnType.getPrimaryTurn(rawLanes[k]);
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boolean active = false;
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if (turn == TurnType.C) {
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active = true;
} else if (TurnType.isRightTurn(turn) && rs.roadsOnRight == 0) {
// some turns go through many segments (to turn right or left)
// so on one first segment the lane could be available and may be only 1 possible
// all undesired lanes will be disabled through the 2nd pass
active = true;
} else if (TurnType.isLeftTurn(turn) && rs.roadsOnLeft == 0) {
active = true;
}
if (active) {
rawLanes[k] |= 1;
}
}
}
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//Test suppressing 'ghost turns' where lanes split with no action (go staight) or a subsequent turn will be announced anyway. This mostly causes Issue 2571.
if (t = TurnType.valueOf(TurnType.C, leftSide));
rs.speak = false;
}
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t.setSkipToSpeak(!rs.speak);
t.setLanes(rawLanes);
return t;
}
protected int findActiveIndex(int[] rawLanes, String[] splitLaneOptions, int lanes, boolean left,
int roads, int addRoads) {
int activeStartIndex = -1;
boolean lookupSlightTurn = addRoads > 0;
for (int i = 0; i < rawLanes.length; i++) {
int ind = left ? i : (rawLanes.length - i - 1);
if (!lookupSlightTurn ||
TurnType.isSlightTurn(TurnType.getPrimaryTurn(rawLanes[ind]))
|| TurnType.isSlightTurn(TurnType.getSecondaryTurn(rawLanes[ind]))) {
int cnt = countOccurrences(splitLaneOptions[ind], ';') + 1;
if(cnt > 1) {
// sometimes slight right turn goes to the road with 2 lanes
// the better situation to group all the lanes and
// when ';' we know for sure the lane combines 2 group
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roads --;
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}
lanes -= cnt;
// we already found slight turn others are turn in different direction
lookupSlightTurn = false;
}
if (lanes < 0 || roads < 0) {
activeStartIndex = ind;
break;
}
}
return activeStartIndex;
}
protected RoadSplitStructure calculateRoadSplitStructure(RouteSegmentResult prevSegm, RouteSegmentResult currentSegm,
List<RouteSegmentResult> attachedRoutes) {
RoadSplitStructure rs = new RoadSplitStructure();
int speakPriority = Math.max(highwaySpeakPriority(prevSegm.getObject().getHighway()), highwaySpeakPriority(currentSegm.getObject().getHighway()));
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for (RouteSegmentResult attached : attachedRoutes) {
double ex = MapUtils.degreesDiff(attached.getBearingBegin(), currentSegm.getBearingBegin());
double mpi = Math.abs(MapUtils.degreesDiff(prevSegm.getBearingEnd(), attached.getBearingBegin()));
int rsSpeakPriority = highwaySpeakPriority(attached.getObject().getHighway());
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int lanes = countLanesMinOne(attached);
boolean smallStraightVariation = mpi < TURN_DEGREE_MIN;
boolean smallTargetVariation = Math.abs(ex) < TURN_DEGREE_MIN;
boolean attachedOnTheRight = ex >= 0;
if (attachedOnTheRight) {
rs.roadsOnRight++;
} else {
rs.roadsOnLeft++;
}
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if (rsSpeakPriority != MAX_SPEAK_PRIORITY || speakPriority == MAX_SPEAK_PRIORITY) {
if (smallTargetVariation || smallStraightVariation) {
if (attachedOnTheRight) {
rs.keepLeft = true;
rs.rightLanes += lanes;
} else {
rs.keepRight = true;
rs.leftLanes += lanes;
}
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rs.speak = rs.speak || (rsSpeakPriority <= speakPriority);
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} else {
if (attachedOnTheRight) {
rs.addRoadsOnRight++;
} else {
rs.addRoadsOnLeft++;
}
}
}
}
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return rs;
}
protected TurnType createSimpleKeepLeftRightTurn(boolean leftSide, RouteSegmentResult prevSegm,
RouteSegmentResult currentSegm, RoadSplitStructure rs) {
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int current = countLanesMinOne(currentSegm);
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int ls = current + rs.leftLanes + rs.rightLanes;
int[] lanes = new int[ls];
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for (int it = 0; it < ls; it++) {
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if (it < rs.leftLanes || it >= rs.leftLanes + current) {
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lanes[it] = 0;
} else {
lanes[it] = 1;
}
}
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// sometimes links are
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if ((current <= rs.leftLanes + rs.rightLanes) && (rs.leftLanes > 1 || rs.rightLanes > 1)) {
rs.speak = true;
}
double devation = Math.abs(MapUtils.degreesDiff(prevSegm.getBearingEnd(), currentSegm.getBearingBegin()));
2013-04-21 13:08:21 +02:00
boolean makeSlightTurn = devation > 5 && (!isMotorway(prevSegm) || !isMotorway(currentSegm));
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TurnType t = null;
if (rs.keepLeft && rs.keepRight) {
t = TurnType.valueOf(TurnType.C, leftSide);
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rs.speak = false;
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} else if (rs.keepLeft) {
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t = TurnType.valueOf(makeSlightTurn ? TurnType.TSLL : TurnType.KL, leftSide);
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} else if (rs.keepRight) {
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t = TurnType.valueOf(makeSlightTurn ? TurnType.TSLR : TurnType.KR, leftSide);
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} else {
return t;
}
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t.setSkipToSpeak(!rs.speak);
t.setLanes(lanes);
return t;
}
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protected int countLanesMinOne(RouteSegmentResult attached) {
final boolean oneway = attached.getObject().getOneway() != 0;
int lns = attached.getObject().getLanes();
if(lns == 0) {
String tls = getTurnLanesString(attached);
if(tls != null) {
return Math.max(1, countOccurrences(tls, '|'));
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}
}
if (oneway) {
return Math.max(1, lns);
}
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try {
if (attached.isForwardDirection() && attached.getObject().getValue("lanes:forward") != null) {
return Integer.parseInt(attached.getObject().getValue("lanes:forward"));
} else if (!attached.isForwardDirection() && attached.getObject().getValue("lanes:backward") != null) {
return Integer.parseInt(attached.getObject().getValue("lanes:backward"));
}
} catch(NumberFormatException e) {
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e.printStackTrace();
}
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return Math.max(1, (lns + 1) / 2);
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}
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protected static String getTurnLanesString(RouteSegmentResult segment) {
if (segment.getObject().getOneway() == 0) {
if (segment.isForwardDirection()) {
return segment.getObject().getValue("turn:lanes:forward");
} else {
return segment.getObject().getValue("turn:lanes:backward");
}
} else {
return segment.getObject().getValue("turn:lanes");
}
}
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private int countOccurrences(String haystack, char needle) {
int count = 0;
for (int i = 0; i < haystack.length(); i++) {
if (haystack.charAt(i) == needle) {
count++;
}
}
return count;
}
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public static int[] parseTurnLanes(RouteDataObject ro, double dirToNorthEastPi) {
String turnLanes = null;
if (ro.getOneway() == 0) {
// we should get direction to detect forward or backward
double cmp = ro.directionRoute(0, true);
if(Math.abs(MapUtils.alignAngleDifference(dirToNorthEastPi -cmp)) < Math.PI / 2) {
turnLanes = ro.getValue("turn:lanes:forward");
} else {
turnLanes = ro.getValue("turn:lanes:backward");
}
} else {
turnLanes = ro.getValue("turn:lanes");
}
if(turnLanes == null) {
return null;
}
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return calculateRawTurnLanes(turnLanes, 0);
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}
public static int[] parseLanes(RouteDataObject ro, double dirToNorthEastPi) {
int lns = 0;
try {
if (ro.getOneway() == 0) {
// we should get direction to detect forward or backward
double cmp = ro.directionRoute(0, true);
if(Math.abs(MapUtils.alignAngleDifference(dirToNorthEastPi -cmp)) < Math.PI / 2) {
if(ro.getValue("lanes:forward") != null) {
lns = Integer.parseInt(ro.getValue("lanes:forward"));
}
} else {
if(ro.getValue("lanes:backward") != null) {
lns = Integer.parseInt(ro.getValue("lanes:backward"));
}
}
if (lns == 0 && ro.getValue("lanes") != null) {
lns = Integer.parseInt(ro.getValue("lanes")) / 2;
}
} else {
lns = Integer.parseInt(ro.getValue("lanes"));
}
if(lns > 0 ) {
return new int[lns];
}
} catch (NumberFormatException e) {
}
return null;
}
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private static int[] calculateRawTurnLanes(String turnLanes, int calcTurnType) {
String[] splitLaneOptions = turnLanes.split("\\|", -1);
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int[] lanes = new int[splitLaneOptions.length];
for (int i = 0; i < splitLaneOptions.length; i++) {
String[] laneOptions = splitLaneOptions[i].split(";");
boolean isTertiaryTurn = false;
for (int j = 0; j < laneOptions.length; j++) {
int turn;
if (laneOptions[j].equals("none") || laneOptions[j].equals("through")) {
turn = TurnType.C;
} else if (laneOptions[j].equals("slight_right")) {
turn = TurnType.TSLR;
} else if (laneOptions[j].equals("slight_left")) {
turn = TurnType.TSLL;
} else if (laneOptions[j].equals("right")) {
turn = TurnType.TR;
} else if (laneOptions[j].equals("left")) {
turn = TurnType.TL;
} else if (laneOptions[j].equals("sharp_right")) {
turn = TurnType.TSHR;
} else if (laneOptions[j].equals("sharp_left")) {
turn = TurnType.TSHL;
} else if (laneOptions[j].equals("reverse")) {
turn = TurnType.TU;
} else {
// Unknown string
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turn = TurnType.C;
// continue;
}
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final int primary = TurnType.getPrimaryTurn(lanes[i]);
if (primary == 0) {
TurnType.setPrimaryTurnAndReset(lanes, i, turn);
} else {
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if (turn == calcTurnType ||
(TurnType.isRightTurn(calcTurnType) && TurnType.isRightTurn(turn)) ||
(TurnType.isLeftTurn(calcTurnType) && TurnType.isLeftTurn(turn))
) {
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TurnType.setPrimaryTurnShiftOthers(lanes, i, turn);
} else if (!isTertiaryTurn) {
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TurnType.setSecondaryTurnShiftOthers(lanes, i, turn);
isTertiaryTurn = true;
} else {
TurnType.setTertiaryTurn(lanes, i, turn);
break;
}
}
}
}
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return lanes;
}
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private int inferTurnFromLanes(int[] oLanes) {
TIntHashSet possibleTurns = new TIntHashSet();
for (int i = 0; i < oLanes.length; i++) {
if ((oLanes[i] & 1) == 0) {
continue;
}
if (possibleTurns.isEmpty()) {
// Nothing is in the list to compare to, so add the first elements
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possibleTurns.add(TurnType.getPrimaryTurn(oLanes[i]));
if (TurnType.getSecondaryTurn(oLanes[i]) != 0) {
possibleTurns.add(TurnType.getSecondaryTurn(oLanes[i]));
}
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if (TurnType.getTertiaryTurn(oLanes[i]) != 0) {
possibleTurns.add(TurnType.getTertiaryTurn(oLanes[i]));
}
} else {
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TIntArrayList laneTurns = new TIntArrayList();
laneTurns.add(TurnType.getPrimaryTurn(oLanes[i]));
if (TurnType.getSecondaryTurn(oLanes[i]) != 0) {
laneTurns.add(TurnType.getSecondaryTurn(oLanes[i]));
}
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if (TurnType.getTertiaryTurn(oLanes[i]) != 0) {
laneTurns.add(TurnType.getTertiaryTurn(oLanes[i]));
}
possibleTurns.retainAll(laneTurns);
if (possibleTurns.isEmpty()) {
// No common turns, so can't determine anything.
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return 0;
}
}
}
// Remove all turns from lanes not selected...because those aren't it
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for (int i = 0; i < oLanes.length; i++) {
if ((oLanes[i] & 1) == 0 && !possibleTurns.isEmpty()) {
possibleTurns.remove((Integer) TurnType.getPrimaryTurn(oLanes[i]));
if (TurnType.getSecondaryTurn(oLanes[i]) != 0) {
possibleTurns.remove((Integer) TurnType.getSecondaryTurn(oLanes[i]));
}
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if (TurnType.getTertiaryTurn(oLanes[i]) != 0) {
possibleTurns.remove((Integer) TurnType.getTertiaryTurn(oLanes[i]));
}
}
}
// Checking to see that there is only one unique turn
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if (possibleTurns.size() == 1) {
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int infer = possibleTurns.iterator().next();
for(int i = 0; i < oLanes.length; i++) {
if(TurnType.getSecondaryTurn(oLanes[i]) == infer) {
int pt = TurnType.getPrimaryTurn(oLanes[i]);
int en = oLanes[i] & 1;
TurnType.setPrimaryTurnAndReset(oLanes, i, infer);
oLanes[i] |= en;
TurnType.setSecondaryTurn(oLanes, i, pt);
}
}
return infer;
}
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return 0;
}
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private boolean isMotorway(RouteSegmentResult s){
String h = s.getObject().getHighway();
return "motorway".equals(h) || "motorway_link".equals(h) ||
"trunk".equals(h) || "trunk_link".equals(h);
}
private void attachRoadSegments(RoutingContext ctx, List<RouteSegmentResult> result, int routeInd, int pointInd, boolean plus) throws IOException {
RouteSegmentResult rr = result.get(routeInd);
RouteDataObject road = rr.getObject();
long nextL = pointInd < road.getPointsLength() - 1 ? getPoint(road, pointInd + 1) : 0;
long prevL = pointInd > 0 ? getPoint(road, pointInd - 1) : 0;
// attach additional roads to represent more information about the route
RouteSegmentResult previousResult = null;
// by default make same as this road id
long previousRoadId = road.getId();
if (pointInd == rr.getStartPointIndex() && routeInd > 0) {
previousResult = result.get(routeInd - 1);
previousRoadId = previousResult.getObject().getId();
if (previousRoadId != road.getId()) {
if (previousResult.getStartPointIndex() < previousResult.getEndPointIndex()
&& previousResult.getEndPointIndex() < previousResult.getObject().getPointsLength() - 1) {
rr.attachRoute(pointInd, new RouteSegmentResult(previousResult.getObject(), previousResult.getEndPointIndex(),
previousResult.getObject().getPointsLength() - 1));
} else if (previousResult.getStartPointIndex() > previousResult.getEndPointIndex()
&& previousResult.getEndPointIndex() > 0) {
rr.attachRoute(pointInd, new RouteSegmentResult(previousResult.getObject(), previousResult.getEndPointIndex(), 0));
}
}
}
Iterator<RouteSegment> it;
if(rr.getPreAttachedRoutes(pointInd) != null) {
final RouteSegmentResult[] list = rr.getPreAttachedRoutes(pointInd);
it = new Iterator<BinaryRoutePlanner.RouteSegment>() {
int i = 0;
@Override
public boolean hasNext() {
return i < list.length;
}
@Override
public RouteSegment next() {
RouteSegmentResult r = list[i++];
return new RouteSegment(r.getObject(), r.getStartPointIndex());
}
@Override
public void remove() {
}
};
} else {
RouteSegment rt = ctx.loadRouteSegment(road.getPoint31XTile(pointInd), road.getPoint31YTile(pointInd), ctx.config.memoryLimitation);
it = rt == null ? null : rt.getIterator();
}
// try to attach all segments except with current id
while (it != null && it.hasNext()) {
RouteSegment routeSegment = it.next();
if (routeSegment.road.getId() != road.getId() && routeSegment.road.getId() != previousRoadId) {
RouteDataObject addRoad = routeSegment.road;
checkAndInitRouteRegion(ctx, addRoad);
// TODO restrictions can be considered as well
int oneWay = ctx.getRouter().isOneWay(addRoad);
if (oneWay >= 0 && routeSegment.getSegmentStart() < addRoad.getPointsLength() - 1) {
long pointL = getPoint(addRoad, routeSegment.getSegmentStart() + 1);
if(pointL != nextL && pointL != prevL) {
// if way contains same segment (nodes) as different way (do not attach it)
rr.attachRoute(pointInd, new RouteSegmentResult(addRoad, routeSegment.getSegmentStart(), addRoad.getPointsLength() - 1));
}
}
if (oneWay <= 0 && routeSegment.getSegmentStart() > 0) {
long pointL = getPoint(addRoad, routeSegment.getSegmentStart() - 1);
// if way contains same segment (nodes) as different way (do not attach it)
if(pointL != nextL && pointL != prevL) {
rr.attachRoute(pointInd, new RouteSegmentResult(addRoad, routeSegment.getSegmentStart(), 0));
}
}
}
}
}
private static void println(String logMsg) {
// log.info(logMsg);
System.out.println(logMsg);
}
private long getPoint(RouteDataObject road, int pointInd) {
return (((long) road.getPoint31XTile(pointInd)) << 31) + (long) road.getPoint31YTile(pointInd);
}
private static double measuredDist(int x1, int y1, int x2, int y2) {
return MapUtils.getDistance(MapUtils.get31LatitudeY(y1), MapUtils.get31LongitudeX(x1),
MapUtils.get31LatitudeY(y2), MapUtils.get31LongitudeX(x2));
}
}