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

Example 1 with GraphHopper

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

the class GraphHopperOSMTest method testLoadingWithDifferentCHConfig_issue471.

@Test
public void testLoadingWithDifferentCHConfig_issue471() {
    // with CH should not be loadable without CH configured
    GraphHopper gh = new GraphHopperOSM().setStoreOnFlush(true).setEncodingManager(new EncodingManager("car")).setGraphHopperLocation(ghLoc).setDataReaderFile(testOsm);
    gh.importOrLoad();
    GHResponse rsp = gh.route(new GHRequest(51.2492152, 9.4317166, 51.2, 9.4));
    assertFalse(rsp.hasErrors());
    assertEquals(3, rsp.getBest().getPoints().getSize());
    gh.close();
    gh = new GraphHopperOSM().setStoreOnFlush(true).setCHEnabled(false).setEncodingManager(new EncodingManager("car"));
    try {
        gh.load(ghLoc);
        assertTrue(false);
    } catch (Exception ex) {
        assertTrue(ex.getMessage(), ex.getMessage().startsWith("Configured graph.ch.weightings:"));
    }
    Helper.removeDir(new File(ghLoc));
    // without CH should not be loadable with CH enabled
    gh = new GraphHopperOSM().setStoreOnFlush(true).setCHEnabled(false).setEncodingManager(new EncodingManager("car")).setGraphHopperLocation(ghLoc).setDataReaderFile(testOsm);
    gh.importOrLoad();
    rsp = gh.route(new GHRequest(51.2492152, 9.4317166, 51.2, 9.4));
    assertFalse(rsp.hasErrors());
    assertEquals(3, rsp.getBest().getPoints().getSize());
    gh.close();
    gh = new GraphHopperOSM().setStoreOnFlush(true).setEncodingManager(new EncodingManager("car"));
    try {
        gh.load(ghLoc);
        assertTrue(false);
    } catch (Exception ex) {
        assertTrue(ex.getMessage(), ex.getMessage().startsWith("Configured graph.ch.weightings:"));
    }
}

Example 2 with GraphHopper

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

the class GraphHopperOSMTest method testLoadOSMNoCH.

@Test
public void testLoadOSMNoCH() {
    GraphHopper gh = new GraphHopperOSM().setStoreOnFlush(true).setCHEnabled(false).setEncodingManager(new EncodingManager("car")).setGraphHopperLocation(ghLoc).setDataReaderFile(testOsm);
    gh.importOrLoad();
    assertFalse(gh.getAlgorithmFactory(new HintsMap("fastest")) instanceof PrepareContractionHierarchies);
    GHResponse rsp = gh.route(new GHRequest(51.2492152, 9.4317166, 51.2, 9.4));
    assertFalse(rsp.hasErrors());
    assertEquals(3, rsp.getBest().getPoints().getSize());
    gh.close();
    gh = new GraphHopperOSM().setStoreOnFlush(true).setCHEnabled(false).setEncodingManager(new EncodingManager("car"));
    assertTrue(gh.load(ghLoc));
    rsp = gh.route(new GHRequest(51.2492152, 9.4317166, 51.2, 9.4));
    assertFalse(rsp.hasErrors());
    assertEquals(3, rsp.getBest().getPoints().getSize());
    gh.close();
    gh = new GraphHopperOSM().setGraphHopperLocation(ghLoc).setDataReaderFile(testOsm).init(new CmdArgs().put("graph.flag_encoders", "car").put(Parameters.CH.PREPARE + "weightings", "no"));
    assertFalse(gh.getAlgorithmFactory(new HintsMap("fastest")) instanceof PrepareContractionHierarchies);
    gh.close();
}

Example 3 with GraphHopper

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

the class OSMReaderTest method testWayReferencesNotExistingAdjNode.

@Test
public void testWayReferencesNotExistingAdjNode() {
    GraphHopper hopper = new GraphHopperFacade(file4).importOrLoad();
    Graph graph = hopper.getGraphHopperStorage();
    assertEquals(2, graph.getNodes());
    int n10 = AbstractGraphStorageTester.getIdOf(graph, 51.2492152);
    int n30 = AbstractGraphStorageTester.getIdOf(graph, 51.2);
    assertEquals(GHUtility.asSet(n30), GHUtility.getNeighbors(carOutExplorer.setBaseNode(n10)));
}

Example 4 with GraphHopper

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

the class OSMReaderTest method testWithBounds.

@Test
public void testWithBounds() {
    GraphHopper hopper = new GraphHopperFacade(file1) {

        @Override
        protected DataReader createReader(GraphHopperStorage tmpGraph) {
            return new OSMReader(tmpGraph) {

                @Override
                public boolean isInBounds(ReaderNode node) {
                    return node.getLat() > 49 && node.getLon() > 8;
                }
            };
        }
    };
    hopper.importOrLoad();
    Graph graph = hopper.getGraphHopperStorage();
    assertEquals(4, graph.getNodes());
    int n10 = AbstractGraphStorageTester.getIdOf(graph, 51.2492152);
    int n20 = AbstractGraphStorageTester.getIdOf(graph, 52);
    int n30 = AbstractGraphStorageTester.getIdOf(graph, 51.2);
    int n40 = AbstractGraphStorageTester.getIdOf(graph, 51.25);
    assertEquals(GHUtility.asSet(n20), GHUtility.getNeighbors(carOutExplorer.setBaseNode(n10)));
    assertEquals(3, GHUtility.count(carOutExplorer.setBaseNode(n20)));
    assertEquals(GHUtility.asSet(n20), GHUtility.getNeighbors(carOutExplorer.setBaseNode(n30)));
    EdgeIterator iter = carOutExplorer.setBaseNode(n20);
    assertTrue(iter.next());
    assertEquals(n40, iter.getAdjNode());
    AbstractGraphStorageTester.assertPList(Helper.createPointList(), iter.fetchWayGeometry(0));
    assertTrue(iter.next());
    assertEquals(n30, iter.getAdjNode());
    assertEquals(93146.888, iter.getDistance(), 1);
    assertTrue(iter.next());
    AbstractGraphStorageTester.assertPList(Helper.createPointList(), iter.fetchWayGeometry(0));
    assertEquals(n10, iter.getAdjNode());
    assertEquals(88643, iter.getDistance(), 1);
    // get third added location => 2
    iter = carOutExplorer.setBaseNode(n30);
    assertTrue(iter.next());
    assertEquals(n20, iter.getAdjNode());
    assertEquals(93146.888, iter.getDistance(), 1);
    assertFalse(iter.next());
}

Example 5 with GraphHopper

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

the class RoutingAlgorithmWithOSMIT method testMonacoParallel.

@Test
public void testMonacoParallel() throws IOException {
    System.out.println("testMonacoParallel takes a bit time...");
    String graphFile = "target/monaco-gh";
    Helper.removeDir(new File(graphFile));
    final EncodingManager encodingManager = new EncodingManager("car");
    final GraphHopper hopper = new GraphHopperOSM().setStoreOnFlush(true).setEncodingManager(encodingManager).setCHEnabled(false).setWayPointMaxDistance(0).setDataReaderFile(DIR + "/monaco.osm.gz").setGraphHopperLocation(graphFile).importOrLoad();
    final Graph g = hopper.getGraphHopperStorage();
    final LocationIndex idx = hopper.getLocationIndex();
    final List<OneRun> instances = createMonacoCar();
    List<Thread> threads = new ArrayList<Thread>();
    final AtomicInteger integ = new AtomicInteger(0);
    int MAX = 100;
    final FlagEncoder carEncoder = encodingManager.getEncoder("car");
    // testing if algorithms are independent. should be. so test only two algorithms.
    // also the preparing is too costly to be called for every thread
    int algosLength = 2;
    final Weighting weighting = new ShortestWeighting(encodingManager.getEncoder("car"));
    final EdgeFilter filter = new DefaultEdgeFilter(carEncoder);
    for (int no = 0; no < MAX; no++) {
        for (int instanceNo = 0; instanceNo < instances.size(); instanceNo++) {
            String[] algos = new String[] { ASTAR, DIJKSTRA_BI };
            for (final String algoStr : algos) {
                // an algorithm is not thread safe! reuse via clear() is ONLY appropriated if used from same thread!
                final int instanceIndex = instanceNo;
                Thread t = new Thread() {

                    @Override
                    public void run() {
                        OneRun oneRun = instances.get(instanceIndex);
                        AlgorithmOptions opts = AlgorithmOptions.start().weighting(weighting).algorithm(algoStr).build();
                        testCollector.assertDistance(new AlgoHelperEntry(g, opts, idx, algoStr + "|" + weighting), oneRun.getList(idx, filter), oneRun);
                        integ.addAndGet(1);
                    }
                };
                t.start();
                threads.add(t);
            }
        }
    }
    for (Thread t : threads) {
        try {
            t.join();
        } catch (InterruptedException ex) {
            throw new RuntimeException(ex);
        }
    }
    assertEquals(MAX * algosLength * instances.size(), integ.get());
    assertEquals(testCollector.toString(), 0, testCollector.errors.size());
    hopper.close();
}