public static PathWrapper createPathWrapper(
JSONObject path, boolean tmpCalcPoints, boolean tmpInstructions, boolean tmpElevation) {
PathWrapper pathWrapper = new PathWrapper();
pathWrapper.addErrors(readErrors(path));
if (pathWrapper.hasErrors()) return pathWrapper;
if (path.has("snapped_waypoints")) {
String snappedPointStr = path.getString("snapped_waypoints");
PointList snappedPoints = WebHelper.decodePolyline(snappedPointStr, 5, tmpElevation);
pathWrapper.setWaypoints(snappedPoints);
}
if (tmpCalcPoints) {
String pointStr = path.getString("points");
PointList pointList = WebHelper.decodePolyline(pointStr, 100, tmpElevation);
pathWrapper.setPoints(pointList);
if (tmpInstructions) {
JSONArray instrArr = path.getJSONArray("instructions");
InstructionList il = new InstructionList(null);
int viaCount = 1;
for (int instrIndex = 0; instrIndex < instrArr.length(); instrIndex++) {
JSONObject jsonObj = instrArr.getJSONObject(instrIndex);
double instDist = jsonObj.getDouble("distance");
String text = jsonObj.getString("text");
long instTime = jsonObj.getLong("time");
int sign = jsonObj.getInt("sign");
JSONArray iv = jsonObj.getJSONArray("interval");
int from = iv.getInt(0);
int to = iv.getInt(1);
PointList instPL = new PointList(to - from, tmpElevation);
for (int j = from; j <= to; j++) {
instPL.add(pointList, j);
}
InstructionAnnotation ia = InstructionAnnotation.EMPTY;
if (jsonObj.has("annotation_importance") && jsonObj.has("annotation_text")) {
ia =
new InstructionAnnotation(
jsonObj.getInt("annotation_importance"),
jsonObj.getString("annotation_text"),
0,
false);
}
Instruction instr;
if (sign == Instruction.USE_ROUNDABOUT || sign == Instruction.LEAVE_ROUNDABOUT) {
RoundaboutInstruction ri = new RoundaboutInstruction(sign, text, ia, instPL);
if (jsonObj.has("exit_number")) {
ri.setExitNumber(jsonObj.getInt("exit_number"));
}
if (jsonObj.has("turn_angle")) {
// TODO provide setTurnAngle setter
double angle = jsonObj.getDouble("turn_angle");
ri.setDirOfRotation(angle);
ri.setRadian((angle < 0 ? -Math.PI : Math.PI) - angle);
}
instr = ri;
} else if (sign == Instruction.REACHED_VIA) {
ViaInstruction tmpInstr = new ViaInstruction(text, ia, instPL);
tmpInstr.setViaCount(viaCount);
viaCount++;
instr = tmpInstr;
} else if (sign == Instruction.FINISH) {
instr = new FinishInstruction(instPL, 0);
} else {
instr = new Instruction(sign, text, ia, instPL);
}
// The translation is done from the routing service so just use the provided string
// instead of creating a combination with sign and name etc
instr.setUseRawName();
instr.setDistance(instDist).setTime(instTime);
il.add(instr);
}
pathWrapper.setInstructions(il);
}
}
double distance = path.getDouble("distance");
long time = path.getLong("time");
pathWrapper.setDistance(distance).setTime(time);
return pathWrapper;
}
@Test
public void testMonacoWithInstructions() {
String osmFile = "files/monaco.osm.gz";
String graphFile = "target/graph-monaco";
String vehicle = "FOOT";
String importVehicles = "FOOT";
String weightCalcStr = "shortest";
try {
// make sure we are using fresh graphhopper files with correct vehicle
Helper.removeDir(new File(graphFile));
GraphHopper hopper =
new GraphHopper()
.setInMemory(true)
.setOSMFile(osmFile)
.disableCHShortcuts()
.setGraphHopperLocation(graphFile)
.setEncodingManager(new EncodingManager(importVehicles))
.importOrLoad();
Graph g = hopper.getGraph();
GHResponse rsp =
hopper.route(
new GHRequest(43.727687, 7.418737, 43.74958, 7.436566)
.setAlgorithm("astar")
.setVehicle(vehicle)
.setWeighting(weightCalcStr));
assertEquals(3437.6, rsp.getDistance(), .1);
assertEquals(87, rsp.getPoints().getSize());
InstructionList il = rsp.getInstructions();
assertEquals(13, il.size());
Translation tr = trMap.getWithFallBack(Locale.US);
List<String> iList = il.createDescription(tr);
// TODO roundabout fine tuning -> enter + leave roundabout (+ two rounabouts -> is it
// necessary if we do not leave the street?)
assertEquals("Continue onto Avenue des Guelfes", iList.get(0));
assertEquals("Turn slight left onto Avenue des Papalins", iList.get(1));
assertEquals("Turn sharp right onto Quai Jean-Charles Rey", iList.get(2));
assertEquals("Turn left onto road", iList.get(3));
assertEquals("Turn right onto Avenue Albert II", iList.get(4));
List<Double> dists = il.createDistances();
assertEquals(11, dists.get(0), 1);
assertEquals(289, dists.get(1), 1);
assertEquals(10, dists.get(2), 1);
assertEquals(43, dists.get(3), 1);
assertEquals(122, dists.get(4), 1);
assertEquals(447, dists.get(5), 1);
List<Long> times = il.createMillis();
assertEquals(7, times.get(0) / 1000);
assertEquals(207, times.get(1) / 1000);
assertEquals(7, times.get(2) / 1000);
assertEquals(30, times.get(3) / 1000);
assertEquals(87, times.get(4) / 1000);
assertEquals(321, times.get(5) / 1000);
List<GPXEntry> list = rsp.getInstructions().createGPXList();
assertEquals(123, list.size());
final long lastEntryMillis = list.get(list.size() - 1).getMillis();
final long totalResponseMillis = rsp.getMillis();
assertEquals(totalResponseMillis, lastEntryMillis);
} catch (Exception ex) {
throw new RuntimeException("cannot handle osm file " + osmFile, ex);
} finally {
Helper.removeDir(new File(graphFile));
}
}
@Override
public GHResponse route(GHRequest request) {
StopWatch sw = new StopWatch().start();
double took = 0;
try {
String url =
serviceUrl
+ "?point="
+ request.getFrom().lat
+ ","
+ request.getFrom().lon
+ "&point="
+ request.getTo().lat
+ ","
+ request.getTo().lon
+ "&type=json"
+ "&points_encoded="
+ pointsEncoded
+ "&min_path_precision="
+ request.getHint("douglas.minprecision", 1)
+ "&algo="
+ request.getAlgorithm();
String str = downloader.downloadAsString(url);
JSONObject json = new JSONObject(str);
took = json.getJSONObject("info").getDouble("took");
JSONArray paths = json.getJSONArray("paths");
JSONObject firstPath = paths.getJSONObject(0);
boolean is3D = false;
if (firstPath.has("points_dim")) is3D = "3".equals(firstPath.getString("points_dim"));
double distance = firstPath.getDouble("distance");
int time = firstPath.getInt("time");
PointList pointList;
if (pointsEncoded) {
pointList = WebHelper.decodePolyline(firstPath.getString("points"), 100, is3D);
} else {
JSONArray coords = firstPath.getJSONObject("points").getJSONArray("coordinates");
pointList = new PointList(coords.length(), is3D);
for (int i = 0; i < coords.length(); i++) {
JSONArray arr = coords.getJSONArray(i);
double lon = arr.getDouble(0);
double lat = arr.getDouble(1);
if (is3D) pointList.add(lat, lon, arr.getDouble(2));
else pointList.add(lat, lon);
}
}
GHResponse res = new GHResponse();
if (instructions) {
JSONArray instrArr = firstPath.getJSONArray("instructions");
InstructionList il = new InstructionList();
for (int instrIndex = 0; instrIndex < instrArr.length(); instrIndex++) {
JSONObject jsonObj = instrArr.getJSONObject(instrIndex);
double instDist = jsonObj.getDouble("distance");
String text = jsonObj.getString("text");
long instTime = jsonObj.getLong("time");
int sign = jsonObj.getInt("sign");
JSONArray iv = jsonObj.getJSONArray("interval");
int from = iv.getInt(0);
int to = iv.getInt(1);
PointList instPL = new PointList(to - from, is3D);
for (int j = from; j <= to; j++) {
instPL.add(pointList, j);
}
// TODO way and payment type
Instruction instr =
new Instruction(sign, text, -1, -1, instPL).setDistance(instDist).setTime(instTime);
il.add(instr);
}
res.setInstructions(il);
}
return res.setPoints(pointList).setDistance(distance).setMillis(time);
} catch (Exception ex) {
throw new RuntimeException(
"Problem while fetching path " + request.getFrom() + "->" + request.getTo(), ex);
} finally {
logger.debug("Full request took:" + sw.stop().getSeconds() + ", API took:" + took);
}
}