Examples with EdgeExplorer com.graphhopper.util.EdgeExplorer used on opensource projects

Example 1 with EdgeExplorer

use of com.graphhopper.util.EdgeExplorer in project graphhopper by graphhopper.

the class AbstractEdgeElevationInterpolator method interpolateElevationsOfTowerNodes.

private void interpolateElevationsOfTowerNodes() {
    final AllEdgesIterator edge = storage.getAllEdges();
    final GHBitSet visitedEdgeIds = new GHBitSetImpl(edge.getMaxId());
    final EdgeExplorer edgeExplorer = storage.createEdgeExplorer();
    while (edge.next()) {
        final int edgeId = edge.getEdge();
        if (isInterpolatableEdge(edge)) {
            if (!visitedEdgeIds.contains(edgeId)) {
                interpolateEdge(edge, visitedEdgeIds, edgeExplorer);
            }
        }
        visitedEdgeIds.add(edgeId);
    }
}

Example 2 with EdgeExplorer

use of com.graphhopper.util.EdgeExplorer in project graphhopper by graphhopper.

the class PrinctonReaderTest method testRead.

@Test
public void testRead() {
    Graph graph = new GraphBuilder(encodingManager).create();
    new PrinctonReader(graph).setStream(PrinctonReader.class.getResourceAsStream("tinyEWD.txt")).read();
    assertEquals(8, graph.getNodes());
    EdgeExplorer explorer = graph.createEdgeExplorer(carOutEdges);
    assertEquals(2, count(explorer.setBaseNode(0)));
    assertEquals(3, count(explorer.setBaseNode(6)));
}

Example 3 with EdgeExplorer

use of com.graphhopper.util.EdgeExplorer in project graphhopper by graphhopper.

the class OSMTurnRelationTest method testGetRestrictionAsEntries.

@Test
public void testGetRestrictionAsEntries() {
    CarFlagEncoder encoder = new CarFlagEncoder(5, 5, 1);
    final Map<Long, Integer> osmNodeToInternal = new HashMap<Long, Integer>();
    final Map<Integer, Long> internalToOSMEdge = new HashMap<Integer, Long>();
    osmNodeToInternal.put(3L, 3);
    // edge ids are only stored if they occured before in an OSMRelation
    internalToOSMEdge.put(3, 3L);
    internalToOSMEdge.put(4, 4L);
    GraphHopperStorage ghStorage = new GraphBuilder(new EncodingManager(encoder)).create();
    EdgeBasedRoutingAlgorithmTest.initGraph(ghStorage);
    OSMReader osmReader = new OSMReader(ghStorage) {

        @Override
        public int getInternalNodeIdOfOsmNode(long nodeOsmId) {
            return osmNodeToInternal.get(nodeOsmId);
        }

        @Override
        public long getOsmIdOfInternalEdge(int edgeId) {
            Long l = internalToOSMEdge.get(edgeId);
            if (l == null)
                return -1;
            return l;
        }
    };
    EdgeExplorer edgeExplorer = ghStorage.createEdgeExplorer();
    // TYPE == ONLY
    OSMTurnRelation instance = new OSMTurnRelation(4, 3, 3, Type.ONLY);
    Collection<OSMTurnRelation.TurnCostTableEntry> result = instance.getRestrictionAsEntries(encoder, edgeExplorer, edgeExplorer, osmReader);
    assertEquals(2, result.size());
    Iterator<OSMTurnRelation.TurnCostTableEntry> iter = result.iterator();
    OSMTurnRelation.TurnCostTableEntry entry = iter.next();
    assertEquals(4, entry.edgeFrom);
    assertEquals(6, entry.edgeTo);
    assertEquals(3, entry.nodeVia);
    entry = iter.next();
    assertEquals(4, entry.edgeFrom);
    assertEquals(2, entry.edgeTo);
    assertEquals(3, entry.nodeVia);
    // TYPE == NOT
    instance = new OSMTurnRelation(4, 3, 3, Type.NOT);
    result = instance.getRestrictionAsEntries(encoder, edgeExplorer, edgeExplorer, osmReader);
    assertEquals(1, result.size());
    iter = result.iterator();
    entry = iter.next();
    assertEquals(4, entry.edgeFrom);
    assertEquals(3, entry.edgeTo);
    assertEquals(3, entry.nodeVia);
}

Example 4 with EdgeExplorer

use of com.graphhopper.util.EdgeExplorer in project graphhopper by graphhopper.

the class PrepareRoutingSubnetworksTest method testRemoveSubnetworkIfOnlyOneVehicle.

@Test
public void testRemoveSubnetworkIfOnlyOneVehicle() {
    GraphHopperStorage g = createSubnetworkTestStorage2(em);
    PrepareRoutingSubnetworks instance = new PrepareRoutingSubnetworks(g, em.fetchEdgeEncoders());
    instance.setMinNetworkSize(4);
    instance.doWork();
    g.optimize();
    assertEquals(6, g.getNodes());
    assertEquals(Arrays.<String>asList(), GHUtility.getProblems(g));
    EdgeExplorer explorer = g.createEdgeExplorer();
    assertEquals(GHUtility.asSet(2, 1, 5), GHUtility.getNeighbors(explorer.setBaseNode(3)));
    // do not remove because small network is big enough
    g = createSubnetworkTestStorage2(em);
    instance = new PrepareRoutingSubnetworks(g, em.fetchEdgeEncoders());
    instance.setMinNetworkSize(3);
    instance.doWork();
    g.optimize();
    assertEquals(9, g.getNodes());
}

Example 5 with EdgeExplorer

use of com.graphhopper.util.EdgeExplorer in project graphhopper by graphhopper.

the class RealtimeFeed method fromProtobuf.

public static RealtimeFeed fromProtobuf(Graph graph, GtfsStorage staticGtfs, PtFlagEncoder encoder, GtfsRealtime.FeedMessage feedMessage) {
    String feedKey = "gtfs_0";
    GTFSFeed feed = staticGtfs.getGtfsFeeds().get(feedKey);
    // TODO: Require configuration of feed and agency this realtime feed is for.
    // Realtime feeds are always specific to an agency.
    Agency agency = feed.agency.values().iterator().next();
    final IntHashSet blockedEdges = new IntHashSet();
    final IntLongHashMap delaysForBoardEdges = new IntLongHashMap();
    final IntLongHashMap delaysForAlightEdges = new IntLongHashMap();
    final LinkedList<VirtualEdgeIteratorState> additionalEdges = new LinkedList<>();
    final Graph overlayGraph = new Graph() {

        int nNodes = 0;

        int firstEdge = graph.getAllEdges().getMaxId() + 1;

        final NodeAccess nodeAccess = new NodeAccess() {

            IntIntHashMap additionalNodeFields = new IntIntHashMap();

            @Override
            public int getAdditionalNodeField(int nodeId) {
                return 0;
            }

            @Override
            public void setAdditionalNodeField(int nodeId, int additionalValue) {
                additionalNodeFields.put(nodeId, additionalValue);
            }

            @Override
            public boolean is3D() {
                return false;
            }

            @Override
            public int getDimension() {
                return 0;
            }

            @Override
            public void ensureNode(int nodeId) {
            }

            @Override
            public void setNode(int nodeId, double lat, double lon) {
            }

            @Override
            public void setNode(int nodeId, double lat, double lon, double ele) {
            }

            @Override
            public double getLatitude(int nodeId) {
                return 0;
            }

            @Override
            public double getLat(int nodeId) {
                return 0;
            }

            @Override
            public double getLongitude(int nodeId) {
                return 0;
            }

            @Override
            public double getLon(int nodeId) {
                return 0;
            }

            @Override
            public double getElevation(int nodeId) {
                return 0;
            }

            @Override
            public double getEle(int nodeId) {
                return 0;
            }
        };

        @Override
        public Graph getBaseGraph() {
            return graph;
        }

        @Override
        public int getNodes() {
            return graph.getNodes() + nNodes;
        }

        @Override
        public NodeAccess getNodeAccess() {
            return nodeAccess;
        }

        @Override
        public BBox getBounds() {
            return null;
        }

        @Override
        public EdgeIteratorState edge(int a, int b) {
            return null;
        }

        @Override
        public EdgeIteratorState edge(int a, int b, double distance, boolean bothDirections) {
            int edge = firstEdge++;
            final VirtualEdgeIteratorState newEdge = new VirtualEdgeIteratorState(-1, edge, a, b, distance, 0, "", new PointList());
            final VirtualEdgeIteratorState reverseNewEdge = new VirtualEdgeIteratorState(-1, edge, b, a, distance, 0, "", new PointList());
            newEdge.setReverseEdge(reverseNewEdge);
            reverseNewEdge.setReverseEdge(newEdge);
            additionalEdges.push(newEdge);
            return newEdge;
        }

        @Override
        public EdgeIteratorState getEdgeIteratorState(int edgeId, int adjNode) {
            return null;
        }

        @Override
        public AllEdgesIterator getAllEdges() {
            return null;
        }

        @Override
        public EdgeExplorer createEdgeExplorer(EdgeFilter filter) {
            return null;
        }

        @Override
        public EdgeExplorer createEdgeExplorer() {
            return graph.createEdgeExplorer();
        }

        @Override
        public Graph copyTo(Graph g) {
            return null;
        }

        @Override
        public GraphExtension getExtension() {
            throw new RuntimeException();
        }
    };
    Map<Integer, String> routes = new HashMap<>();
    Map<GtfsStorage.Validity, Integer> operatingDayPatterns = new HashMap<>(staticGtfs.getOperatingDayPatterns());
    Map<Integer, byte[]> tripDescriptors = new HashMap<>();
    Map<Integer, Integer> stopSequences = new HashMap<>();
    Map<String, int[]> boardEdgesForTrip = new HashMap<>();
    Map<String, int[]> alightEdgesForTrip = new HashMap<>();
    Map<GtfsStorage.FeedIdWithTimezone, Integer> writableTimeZones = new HashMap<>();
    GtfsStorageI gtfsStorage = new GtfsStorageI() {

        @Override
        public Map<String, Fare> getFares() {
            return null;
        }

        @Override
        public Map<GtfsStorage.Validity, Integer> getOperatingDayPatterns() {
            return operatingDayPatterns;
        }

        @Override
        public Map<GtfsStorage.FeedIdWithTimezone, Integer> getWritableTimeZones() {
            return writableTimeZones;
        }

        @Override
        public Map<Integer, byte[]> getTripDescriptors() {
            return tripDescriptors;
        }

        @Override
        public Map<Integer, Integer> getStopSequences() {
            return stopSequences;
        }

        @Override
        public Map<String, int[]> getBoardEdgesForTrip() {
            return boardEdgesForTrip;
        }

        @Override
        public Map<String, int[]> getAlightEdgesForTrip() {
            return alightEdgesForTrip;
        }

        @Override
        public Map<String, GTFSFeed> getGtfsFeeds() {
            HashMap<String, GTFSFeed> stringGTFSFeedHashMap = new HashMap<>();
            stringGTFSFeedHashMap.put(feedKey, feed);
            return stringGTFSFeedHashMap;
        }

        @Override
        public Map<String, Transfers> getTransfers() {
            return staticGtfs.getTransfers();
        }

        @Override
        public Map<String, Integer> getStationNodes() {
            return staticGtfs.getStationNodes();
        }

        @Override
        public Map<Integer, String> getRoutes() {
            return routes;
        }
    };
    final GtfsReader gtfsReader = new GtfsReader(feedKey, overlayGraph, gtfsStorage, encoder, null);
    Instant timestamp = Instant.ofEpochSecond(feedMessage.getHeader().getTimestamp());
    // FIXME
    LocalDate dateToChange = timestamp.atZone(ZoneId.of(agency.agency_timezone)).toLocalDate();
    BitSet validOnDay = new BitSet();
    LocalDate startDate = feed.calculateStats().getStartDate();
    validOnDay.set((int) DAYS.between(startDate, dateToChange));
    feedMessage.getEntityList().stream().filter(GtfsRealtime.FeedEntity::hasTripUpdate).map(GtfsRealtime.FeedEntity::getTripUpdate).filter(tripUpdate -> tripUpdate.getTrip().getScheduleRelationship() == GtfsRealtime.TripDescriptor.ScheduleRelationship.SCHEDULED).forEach(tripUpdate -> {
        String key = GtfsStorage.tripKey(tripUpdate.getTrip().getTripId(), tripUpdate.getTrip().getStartTime());
        final int[] boardEdges = staticGtfs.getBoardEdgesForTrip().get(key);
        final int[] leaveEdges = staticGtfs.getAlightEdgesForTrip().get(key);
        if (boardEdges == null || leaveEdges == null) {
            logger.warn("Trip not found: {}", tripUpdate.getTrip());
            return;
        }
        tripUpdate.getStopTimeUpdateList().stream().filter(stopTimeUpdate -> stopTimeUpdate.getScheduleRelationship() == SKIPPED).mapToInt(GtfsRealtime.TripUpdate.StopTimeUpdate::getStopSequence).forEach(skippedStopSequenceNumber -> {
            blockedEdges.add(boardEdges[skippedStopSequenceNumber]);
            blockedEdges.add(leaveEdges[skippedStopSequenceNumber]);
        });
        GtfsReader.TripWithStopTimes tripWithStopTimes = toTripWithStopTimes(feed, agency, tripUpdate);
        tripWithStopTimes.stopTimes.forEach(stopTime -> {
            if (stopTime.stop_sequence > leaveEdges.length - 1) {
                logger.warn("Stop sequence number too high {} vs {}", stopTime.stop_sequence, leaveEdges.length);
                return;
            }
            final StopTime originalStopTime = feed.stop_times.get(new Fun.Tuple2(tripUpdate.getTrip().getTripId(), stopTime.stop_sequence));
            int arrivalDelay = stopTime.arrival_time - originalStopTime.arrival_time;
            delaysForAlightEdges.put(leaveEdges[stopTime.stop_sequence], arrivalDelay * 1000);
            int departureDelay = stopTime.departure_time - originalStopTime.departure_time;
            if (departureDelay > 0) {
                int boardEdge = boardEdges[stopTime.stop_sequence];
                int departureNode = graph.getEdgeIteratorState(boardEdge, Integer.MIN_VALUE).getAdjNode();
                int timeOffset = tripUpdate.getTrip().hasStartTime() ? LocalTime.parse(tripUpdate.getTrip().getStartTime()).toSecondOfDay() : 0;
                int delayedBoardEdge = gtfsReader.addDelayedBoardEdge(ZoneId.of(agency.agency_timezone), tripUpdate.getTrip(), stopTime.stop_sequence, stopTime.departure_time + timeOffset, departureNode, validOnDay);
                delaysForBoardEdges.put(delayedBoardEdge, departureDelay * 1000);
            }
        });
    });
    feedMessage.getEntityList().stream().filter(GtfsRealtime.FeedEntity::hasTripUpdate).map(GtfsRealtime.FeedEntity::getTripUpdate).filter(tripUpdate -> tripUpdate.getTrip().getScheduleRelationship() == GtfsRealtime.TripDescriptor.ScheduleRelationship.ADDED).forEach(tripUpdate -> {
        Trip trip = new Trip();
        trip.trip_id = tripUpdate.getTrip().getTripId();
        trip.route_id = tripUpdate.getTrip().getRouteId();
        final List<StopTime> stopTimes = tripUpdate.getStopTimeUpdateList().stream().map(stopTimeUpdate -> {
            final StopTime stopTime = new StopTime();
            stopTime.stop_sequence = stopTimeUpdate.getStopSequence();
            stopTime.stop_id = stopTimeUpdate.getStopId();
            stopTime.trip_id = trip.trip_id;
            final ZonedDateTime arrival_time = Instant.ofEpochSecond(stopTimeUpdate.getArrival().getTime()).atZone(ZoneId.of(agency.agency_timezone));
            stopTime.arrival_time = (int) Duration.between(arrival_time.truncatedTo(ChronoUnit.DAYS), arrival_time).getSeconds();
            final ZonedDateTime departure_time = Instant.ofEpochSecond(stopTimeUpdate.getArrival().getTime()).atZone(ZoneId.of(agency.agency_timezone));
            stopTime.departure_time = (int) Duration.between(departure_time.truncatedTo(ChronoUnit.DAYS), departure_time).getSeconds();
            return stopTime;
        }).collect(Collectors.toList());
        GtfsReader.TripWithStopTimes tripWithStopTimes = new GtfsReader.TripWithStopTimes(trip, stopTimes, validOnDay, Collections.emptySet(), Collections.emptySet());
        gtfsReader.addTrip(ZoneId.of(agency.agency_timezone), 0, new ArrayList<>(), tripWithStopTimes, tripUpdate.getTrip());
    });
    gtfsReader.wireUpStops();
    return new RealtimeFeed(staticGtfs, feed, agency, feedMessage, blockedEdges, delaysForBoardEdges, delaysForAlightEdges, additionalEdges, tripDescriptors, stopSequences, operatingDayPatterns);
}