Examples with ResponsePath com.graphhopper.ResponsePath used on opensource projects

Example 1 with ResponsePath

use of com.graphhopper.ResponsePath in project graphhopper by graphhopper.

the class GraphHopperWeb method route.

public GHResponse route(GHRequest ghRequest) {
    ResponseBody rspBody = null;
    try {
        boolean tmpElevation = ghRequest.getHints().getBool("elevation", elevation);
        boolean tmpTurnDescription = ghRequest.getHints().getBool("turn_description", true);
        // do not include in request
        ghRequest.getHints().remove("turn_description");
        Request okRequest = postRequest ? createPostRequest(ghRequest) : createGetRequest(ghRequest);
        rspBody = getClientForRequest(ghRequest).newCall(okRequest).execute().body();
        JsonNode json = objectMapper.reader().readTree(rspBody.byteStream());
        GHResponse res = new GHResponse();
        res.addErrors(ResponsePathDeserializer.readErrors(objectMapper, json));
        if (res.hasErrors())
            return res;
        JsonNode paths = json.get("paths");
        for (JsonNode path : paths) {
            ResponsePath altRsp = ResponsePathDeserializer.createResponsePath(objectMapper, path, tmpElevation, tmpTurnDescription);
            res.add(altRsp);
        }
        return res;
    } catch (Exception ex) {
        throw new RuntimeException("Problem while fetching path " + ghRequest.getPoints() + ": " + ex.getMessage(), ex);
    } finally {
        Helper.close(rspBody);
    }
}

Example 2 with ResponsePath

use of com.graphhopper.ResponsePath in project graphhopper by graphhopper.

the class ResponsePathSerializer method jsonObject.

public static ObjectNode jsonObject(GHResponse ghRsp, boolean enableInstructions, boolean calcPoints, boolean enableElevation, boolean pointsEncoded, float took) {
    ObjectNode json = JsonNodeFactory.instance.objectNode();
    json.putPOJO("hints", ghRsp.getHints().toMap());
    final ObjectNode info = json.putObject("info");
    info.putPOJO("copyrights", COPYRIGHTS);
    info.put("took", Math.round(took));
    ArrayNode jsonPathList = json.putArray("paths");
    for (ResponsePath p : ghRsp.getAll()) {
        ObjectNode jsonPath = jsonPathList.addObject();
        jsonPath.put("distance", Helper.round(p.getDistance(), 3));
        jsonPath.put("weight", Helper.round6(p.getRouteWeight()));
        jsonPath.put("time", p.getTime());
        jsonPath.put("transfers", p.getNumChanges());
        if (!p.getDescription().isEmpty()) {
            jsonPath.putPOJO("description", p.getDescription());
        }
        if (calcPoints) {
            jsonPath.put("points_encoded", pointsEncoded);
            jsonPath.putPOJO("bbox", p.calcBBox2D());
            jsonPath.putPOJO("points", pointsEncoded ? encodePolyline(p.getPoints(), enableElevation, 1e5) : p.getPoints().toLineString(enableElevation));
            if (enableInstructions) {
                jsonPath.putPOJO("instructions", p.getInstructions());
            }
            jsonPath.putPOJO("legs", p.getLegs());
            jsonPath.putPOJO("details", p.getPathDetails());
            jsonPath.put("ascend", p.getAscend());
            jsonPath.put("descend", p.getDescend());
        }
        jsonPath.putPOJO("snapped_waypoints", pointsEncoded ? encodePolyline(p.getWaypoints(), enableElevation, 1e5) : p.getWaypoints().toLineString(enableElevation));
        if (p.getFare() != null) {
            jsonPath.put("fare", NumberFormat.getCurrencyInstance(Locale.ROOT).format(p.getFare()));
        }
    }
    return json;
}

Example 3 with ResponsePath

use of com.graphhopper.ResponsePath in project graphhopper by graphhopper.

the class RouteResourceRepresentationTest method testUnknownInstructionSign.

@Test
public void testUnknownInstructionSign() throws IOException {
    // Modified the sign though
    ObjectMapper objectMapper = Jackson.newObjectMapper();
    JsonNode json = objectMapper.readTree("{\"instructions\":[{\"distance\":1.073,\"sign\":741,\"interval\":[0,1],\"text\":\"Continue onto A 81\",\"time\":32,\"street_name\":\"A 81\"},{\"distance\":0,\"sign\":4,\"interval\":[1,1],\"text\":\"Finish!\",\"time\":0,\"street_name\":\"\"}],\"descend\":0,\"ascend\":0,\"distance\":1.073,\"bbox\":[8.676286,48.354446,8.676297,48.354453],\"weight\":0.032179,\"time\":32,\"points_encoded\":true,\"points\":\"gfcfHwq}s@}c~AAA?\",\"snapped_waypoints\":\"gfcfHwq}s@}c~AAA?\"}");
    ResponsePath responsePath = ResponsePathDeserializer.createResponsePath(objectMapper, json, true, true);
    assertEquals(741, responsePath.getInstructions().get(0).getSign());
    assertEquals("Continue onto A 81", responsePath.getInstructions().get(0).getName());
}

Example 4 with ResponsePath

use of com.graphhopper.ResponsePath in project graphhopper by graphhopper.

the class RoutingAlgorithmWithOSMTest method checkResponse.

private void checkResponse(GHResponse res, Query query) {
    assertFalse(res.hasErrors(), res.getErrors().toString());
    ResponsePath responsePath = res.getBest();
    assertFalse(responsePath.hasErrors(), responsePath.getErrors().toString());
    assertEquals(distCalc.calcDistance(responsePath.getPoints()), responsePath.getDistance(), 2, "responsePath.getDistance does not equal point list distance");
    assertEquals(query.getPoints().stream().mapToDouble(a -> a.expectedDistance).sum(), responsePath.getDistance(), 2, "unexpected distance");
    // We check the number of points to make sure we found the expected route.
    // There are real world instances where A-B-C is identical to A-C (in meter precision).
    assertEquals(query.getPoints().stream().mapToInt(a -> a.expectedPoints).sum(), responsePath.getPoints().size(), 1, "unexpected point list size");
}

Example 5 with ResponsePath

use of com.graphhopper.ResponsePath in project graphhopper by graphhopper.

the class RoutingExample method routing.

public static void routing(GraphHopper hopper) {
    // simple configuration of the request object
    GHRequest req = new GHRequest(42.508552, 1.532936, 42.507508, 1.528773).setProfile("car").setLocale(Locale.US);
    GHResponse rsp = hopper.route(req);
    // handle errors
    if (rsp.hasErrors())
        throw new RuntimeException(rsp.getErrors().toString());
    // use the best path, see the GHResponse class for more possibilities.
    ResponsePath path = rsp.getBest();
    // points, distance in meters and time in millis of the full path
    PointList pointList = path.getPoints();
    double distance = path.getDistance();
    long timeInMs = path.getTime();
    Translation tr = hopper.getTranslationMap().getWithFallBack(Locale.UK);
    InstructionList il = path.getInstructions();
    // iterate over all turn instructions
    for (Instruction instruction : il) {
    // System.out.println("distance " + instruction.getDistance() + " for instruction: " + instruction.getTurnDescription(tr));
    }
    assert il.size() == 6;
    assert Helper.round(path.getDistance(), -2) == 900;
}