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

Example 46 with GraphHopper

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

the class MiniGraphUI method createAlgo.

private RoutingAlgorithm createAlgo(GraphHopper hopper) {
    Profile profile = hopper.getProfiles().iterator().next();
    if (useCH) {
        RoutingCHGraph chGraph = hopper.getCHGraphs().get(profile.getName());
        logger.info("CH algo, profile: " + profile.getName());
        QueryGraph qGraph = QueryGraph.create(hopper.getGraphHopperStorage(), fromRes, toRes);
        QueryRoutingCHGraph queryRoutingCHGraph = new QueryRoutingCHGraph(chGraph, qGraph);
        return new CHDebugAlgo(queryRoutingCHGraph, mg);
    } else {
        LandmarkStorage landmarks = hopper.getLandmarks().get(profile.getName());
        RoutingAlgorithmFactory algoFactory = (g, w, opts) -> {
            RoutingAlgorithm algo = new LMRoutingAlgorithmFactory(landmarks).createAlgo(g, w, opts);
            if (algo instanceof AStarBidirection) {
                return new DebugAStarBi(g, w, opts.getTraversalMode(), mg).setApproximation(((AStarBidirection) algo).getApproximation());
            } else if (algo instanceof AStar) {
                return new DebugAStar(g, w, opts.getTraversalMode(), mg);
            } else if (algo instanceof DijkstraBidirectionRef) {
                return new DebugDijkstraBidirection(g, w, opts.getTraversalMode(), mg);
            } else if (algo instanceof Dijkstra) {
                return new DebugDijkstraSimple(g, w, opts.getTraversalMode(), mg);
            }
            return algo;
        };
        AlgorithmOptions algoOpts = new AlgorithmOptions().setAlgorithm(Algorithms.ASTAR_BI);
        logger.info("algoOpts:" + algoOpts + ", weighting: " + landmarks.getWeighting() + ", profile: " + profile.getName());
        QueryGraph qGraph = QueryGraph.create(graph, fromRes, toRes);
        return algoFactory.createAlgo(qGraph, landmarks.getWeighting(), algoOpts);
    }
}

Example 47 with GraphHopper

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

the class MatchCommand method run.

@Override
protected void run(Bootstrap<GraphHopperServerConfiguration> bootstrap, Namespace args, GraphHopperServerConfiguration configuration) {
    GraphHopperConfig graphHopperConfiguration = configuration.getGraphHopperConfiguration();
    GraphHopper hopper = new GraphHopper().init(graphHopperConfiguration);
    hopper.importOrLoad();
    PMap hints = new PMap();
    hints.putObject("profile", args.get("profile"));
    MapMatching mapMatching = new MapMatching(hopper, hints);
    mapMatching.setTransitionProbabilityBeta(args.getDouble("transition_probability_beta"));
    mapMatching.setMeasurementErrorSigma(args.getInt("gps_accuracy"));
    StopWatch importSW = new StopWatch();
    StopWatch matchSW = new StopWatch();
    Translation tr = new TranslationMap().doImport().getWithFallBack(Helper.getLocale(args.getString("instructions")));
    final boolean withRoute = !args.getString("instructions").isEmpty();
    XmlMapper xmlMapper = new XmlMapper();
    for (File gpxFile : args.<File>getList("gpx")) {
        try {
            importSW.start();
            Gpx gpx = xmlMapper.readValue(gpxFile, Gpx.class);
            if (gpx.trk == null) {
                throw new IllegalArgumentException("No tracks found in GPX document. Are you using waypoints or routes instead?");
            }
            if (gpx.trk.size() > 1) {
                throw new IllegalArgumentException("GPX documents with multiple tracks not supported yet.");
            }
            List<Observation> measurements = GpxConversions.getEntries(gpx.trk.get(0));
            importSW.stop();
            matchSW.start();
            MatchResult mr = mapMatching.match(measurements);
            matchSW.stop();
            System.out.println(gpxFile);
            System.out.println("\tmatches:\t" + mr.getEdgeMatches().size() + ", gps entries:" + measurements.size());
            System.out.println("\tgpx length:\t" + (float) mr.getGpxEntriesLength() + " vs " + (float) mr.getMatchLength());
            String outFile = gpxFile.getAbsolutePath() + ".res.gpx";
            System.out.println("\texport results to:" + outFile);
            ResponsePath responsePath = new PathMerger(mr.getGraph(), mr.getWeighting()).doWork(PointList.EMPTY, Collections.singletonList(mr.getMergedPath()), hopper.getEncodingManager(), tr);
            if (responsePath.hasErrors()) {
                System.err.println("Problem with file " + gpxFile + ", " + responsePath.getErrors());
                continue;
            }
            try (BufferedWriter writer = new BufferedWriter(new FileWriter(outFile))) {
                long time = gpx.trk.get(0).getStartTime().map(Date::getTime).orElse(System.currentTimeMillis());
                writer.append(GpxConversions.createGPX(responsePath.getInstructions(), gpx.trk.get(0).name != null ? gpx.trk.get(0).name : "", time, hopper.hasElevation(), withRoute, true, false, Constants.VERSION, tr));
            }
        } catch (Exception ex) {
            importSW.stop();
            matchSW.stop();
            System.err.println("Problem with file " + gpxFile);
            ex.printStackTrace(System.err);
        }
    }
    System.out.println("gps import took:" + importSW.getSeconds() + "s, match took: " + matchSW.getSeconds());
}

Example 48 with GraphHopper

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

the class MapMatchingTest method setup.

@BeforeAll
public static void setup() {
    Helper.removeDir(new File(GH_LOCATION));
    graphHopper = new GraphHopper();
    graphHopper.setOSMFile("../map-matching/files/leipzig_germany.osm.pbf");
    graphHopper.setGraphHopperLocation(GH_LOCATION);
    graphHopper.setProfiles(new Profile("my_profile").setVehicle("car").setWeighting("fastest"));
    graphHopper.getLMPreparationHandler().setLMProfiles(new LMProfile("my_profile"));
    graphHopper.importOrLoad();
}

Example 49 with GraphHopper

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

the class GpxTravelTimeConsistencyTest method beforeClass.

@BeforeAll
public static void beforeClass() {
    Helper.removeDir(new File(graphFileFoot));
    hopper = new GraphHopper().setOSMFile(osmFile).setProfiles(new Profile("profile").setVehicle("foot").setWeighting("fastest")).setStoreOnFlush(true).setGraphHopperLocation(graphFileFoot).importOrLoad();
}

Example 50 with GraphHopper

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

the class MapMatching2Test method testIssue13.

@Test
public void testIssue13() throws IOException {
    GraphHopper hopper = new GraphHopper();
    hopper.setOSMFile("../map-matching/files/map-issue13.osm.gz");
    hopper.setGraphHopperLocation(GH_LOCATION);
    hopper.setProfiles(new Profile("my_profile").setVehicle("car").setWeighting("fastest"));
    hopper.getLMPreparationHandler().setLMProfiles(new LMProfile("my_profile"));
    hopper.importOrLoad();
    MapMatching mapMatching = new MapMatching(hopper, new PMap().putObject("profile", "my_profile"));
    Gpx gpx = xmlMapper.readValue(getClass().getResourceAsStream("/issue-13.gpx"), Gpx.class);
    MatchResult mr = mapMatching.match(GpxConversions.getEntries(gpx.trk.get(0)));
    // make sure no virtual edges are returned
    int edgeCount = hopper.getGraphHopperStorage().getAllEdges().length();
    for (EdgeMatch em : mr.getEdgeMatches()) {
        assertTrue(em.getEdgeState().getEdge() < edgeCount, "result contains virtual edges:" + em.getEdgeState().toString());
        validateEdgeMatch(em);
    }
    assertEquals(mr.getGpxEntriesLength(), mr.getMatchLength(), 2.5);
    assertEquals(28790, mr.getMatchMillis(), 50);
}