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

Example 81 with GHRequest

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

the class RoutingExample method headingAndAlternativeRoute.

public static void headingAndAlternativeRoute(GraphHopper hopper) {
    // define a heading (direction) at start and destination
    GHRequest req = new GHRequest().setProfile("car").addPoint(new GHPoint(42.508774, 1.535414)).addPoint(new GHPoint(42.506595, 1.528795)).setHeadings(Arrays.asList(180d, 90d)).putHint(Parameters.CH.DISABLE, true);
    // if you have via points you can avoid U-turns there with
    // req.getHints().putObject(Parameters.Routing.PASS_THROUGH, true);
    GHResponse res = hopper.route(req);
    if (res.hasErrors())
        throw new RuntimeException(res.getErrors().toString());
    assert res.getAll().size() == 1;
    assert Helper.round(res.getBest().getDistance(), -2) == 800;
    // calculate alternative routes between two points (supported with and without CH)
    req = new GHRequest().setProfile("car").addPoint(new GHPoint(42.502904, 1.514714)).addPoint(new GHPoint(42.511953, 1.535914)).setAlgorithm(Parameters.Algorithms.ALT_ROUTE);
    req.getHints().putObject(Parameters.Algorithms.AltRoute.MAX_PATHS, 3);
    res = hopper.route(req);
    if (res.hasErrors())
        throw new RuntimeException(res.getErrors().toString());
    assert res.getAll().size() == 2;
    assert Helper.round(res.getBest().getDistance(), -2) == 2300;
}

Example 82 with GHRequest

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

the class RoutingAlgorithmWithOSMTest method checkQueries.

/**
 * Runs the given queries on the given GraphHopper instance and checks the expectations.
 * All queries will use the first profile.
 */
private void checkQueries(GraphHopper hopper, List<Query> queries) {
    for (Function<Query, GHRequest> requestFactory : createRequestFactories()) {
        for (Query query : queries) {
            GHRequest request = requestFactory.apply(query);
            Profile profile = hopper.getProfiles().get(0);
            request.setProfile(profile.getName());
            GHResponse res = hopper.route(request);
            checkResponse(res, query);
            String expectedAlgo = request.getHints().getString("expected_algo", "no_expected_algo");
            // for edge-based routing we expect a slightly different algo name for CH
            if (profile.isTurnCosts())
                expectedAlgo = expectedAlgo.replaceAll("\\|ch-routing", "|ch|edge_based|no_sod-routing");
            assertTrue(res.getBest().getDebugInfo().contains(expectedAlgo), "Response does not contain expected algo string. Expected: '" + expectedAlgo + "', got: '" + res.getBest().getDebugInfo() + "'");
        }
    }
}

Example 83 with GHRequest

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

the class RoutingAlgorithmWithOSMTest method testDisconnectedAreaAndMultiplePoints.

@Test
public void testDisconnectedAreaAndMultiplePoints() {
    Query query = new Query();
    query.add(53.753177, 9.435968, 10, 10);
    query.add(53.751299, 9.386959, 10, 10);
    query.add(53.751299, 9.3869, 10, 10);
    GraphHopper hopper = createHopper(DIR + "/krautsand.osm.gz", new Profile("car").setVehicle("car").setWeighting("fastest"));
    hopper.setElevationProvider(new SRTMProvider(DIR));
    hopper.importOrLoad();
    for (Function<Query, GHRequest> requestFactory : createRequestFactories()) {
        GHRequest request = requestFactory.apply(query);
        request.setProfile(hopper.getProfiles().get(0).getName());
        GHResponse res = hopper.route(request);
        assertTrue(res.hasErrors());
        assertTrue(res.getErrors().toString().contains("ConnectionNotFound"), res.getErrors().toString());
    }
}

Example 84 with GHRequest

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

the class HeadingRoutingTest method headingTest6.

@Test
public void headingTest6() {
    // Test if snaps at tower nodes are ignored
    GraphHopperStorage graph = createSquareGraph();
    Router router = createRouter(graph);
    // QueryPoints directly on TowerNodes
    GHPoint start = new GHPoint(0, 0);
    GHPoint via = new GHPoint(0.002, 0.000);
    GHPoint end = new GHPoint(0.002, 0.002);
    GHRequest req = new GHRequest().setPoints(Arrays.asList(start, via, end)).setHeadings(Arrays.asList(90., 270., 270.)).setProfile("profile").setPathDetails(Collections.singletonList("edge_key"));
    GHResponse response = router.route(req);
    assertFalse(response.hasErrors());
    assertArrayEquals(new int[] { 0, 1, 2, 3, 4 }, calcNodes(graph, response.getAll().get(0)));
}

Example 85 with GHRequest

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

the class HeadingRoutingTest method headingTest3.

@Test
public void headingTest3() {
    GraphHopperStorage graph = createSquareGraph();
    Router router = createRouter(graph);
    // Start in middle of edge 4-5
    GHPoint start = new GHPoint(0.0015, 0.002);
    // Via Point between 8-7
    GHPoint via = new GHPoint(0.0005, 0.001);
    // End at middle of edge 2-3
    GHPoint end = new GHPoint(0.002, 0.0005);
    GHRequest req = new GHRequest().setPoints(Arrays.asList(start, via, end)).setHeadings(Arrays.asList(Double.NaN, 0., Double.NaN)).setProfile("profile").setPathDetails(Collections.singletonList("edge_key"));
    GHResponse response = router.route(req);
    assertFalse(response.hasErrors());
    assertArrayEquals(new int[] { 4, 5, 6, 7, 8, 3, 2 }, calcNodes(graph, response.getAll().get(0)));
}