Examples with RingConstructionException org.opentripplanner.graph_builder.module.osm.Ring.RingConstructionException used on opensource projects

Example 1 with RingConstructionException

use of org.opentripplanner.graph_builder.module.osm.Ring.RingConstructionException in project OpenTripPlanner by opentripplanner.

the class AreaGroup method groupAreas.

public static List<AreaGroup> groupAreas(Map<Area, OSMLevel> areasLevels) {
    DisjointSet<Area> groups = new DisjointSet<Area>();
    Multimap<OSMNode, Area> areasForNode = LinkedListMultimap.create();
    for (Area area : areasLevels.keySet()) {
        for (Ring ring : area.outermostRings) {
            for (Ring inner : ring.holes) {
                for (OSMNode node : inner.nodes) {
                    areasForNode.put(node, area);
                }
            }
            for (OSMNode node : ring.nodes) {
                areasForNode.put(node, area);
            }
        }
    }
    // areas that can be joined must share nodes and levels
    for (OSMNode osmNode : areasForNode.keySet()) {
        for (Area area1 : areasForNode.get(osmNode)) {
            OSMLevel level1 = areasLevels.get(area1);
            for (Area area2 : areasForNode.get(osmNode)) {
                OSMLevel level2 = areasLevels.get(area2);
                if ((level1 == null && level2 == null) || (level1 != null && level1.equals(level2))) {
                    groups.union(area1, area2);
                }
            }
        }
    }
    List<AreaGroup> out = new ArrayList<AreaGroup>();
    for (Set<Area> areaSet : groups.sets()) {
        try {
            out.add(new AreaGroup(areaSet));
        } catch (RingConstructionException e) {
            for (Area area : areaSet) {
                LOG.debug("Failed to create merged area for " + area + ".  This area might not be at fault; it might be one of the other areas in this list.");
                out.add(new AreaGroup(Arrays.asList(area)));
            }
        }
    }
    return out;
}

Example 2 with RingConstructionException

use of org.opentripplanner.graph_builder.module.osm.Ring.RingConstructionException in project OpenTripPlanner by opentripplanner.

the class AreaGroup method toRing.

private Ring toRing(Polygon polygon, HashMap<Coordinate, OSMNode> nodeMap) {
    List<OSMNode> shell = new ArrayList<OSMNode>();
    for (Coordinate coord : polygon.getExteriorRing().getCoordinates()) {
        OSMNode node = nodeMap.get(coord);
        if (node == null) {
            throw new RingConstructionException();
        }
        shell.add(node);
    }
    Ring ring = new Ring(shell, true);
    // now the holes
    for (int i = 0; i < polygon.getNumInteriorRing(); ++i) {
        LineString interior = polygon.getInteriorRingN(i);
        List<OSMNode> hole = new ArrayList<OSMNode>();
        for (Coordinate coord : interior.getCoordinates()) {
            OSMNode node = nodeMap.get(coord);
            if (node == null) {
                throw new RingConstructionException();
            }
            hole.add(node);
        }
        ring.holes.add(new Ring(hole, true));
    }
    return ring;
}