Examples with Envelope com.vividsolutions.jts.geom.Envelope used on opensource projects

Example 36 with Envelope

use of com.vividsolutions.jts.geom.Envelope in project onebusaway-application-modules by camsys.

the class BlockGeospatialServiceImpl method getBlockSequenceIndexPassingThroughBounds.

@Override
public Set<BlockSequenceIndex> getBlockSequenceIndexPassingThroughBounds(CoordinateBounds bounds) {
    Envelope env = new Envelope(bounds.getMinLon(), bounds.getMaxLon(), bounds.getMinLat(), bounds.getMaxLat());
    @SuppressWarnings("unchecked") List<List<AgencyAndId>> results = _tree.query(env);
    Set<AgencyAndId> visitedShapeIds = new HashSet<AgencyAndId>();
    Set<BlockSequenceIndex> allIndices = new HashSet<BlockSequenceIndex>();
    for (List<AgencyAndId> shapeIds : results) {
        for (AgencyAndId shapeId : shapeIds) {
            if (visitedShapeIds.add(shapeId)) {
                List<BlockSequenceIndex> indices = _blockSequenceIndicesByShapeId.get(shapeId);
                if (!CollectionsLibrary.isEmpty(indices)) {
                    allIndices.addAll(indices);
                }
            }
        }
    }
    return allIndices;
}

Example 37 with Envelope

use of com.vividsolutions.jts.geom.Envelope in project onebusaway-application-modules by camsys.

the class BlockGeospatialServiceImpl method buildShapeSpatialIndex.

private void buildShapeSpatialIndex() throws IOException, ClassNotFoundException {
    File path = _bundle.getShapeGeospatialIndexDataPath();
    if (!path.exists()) {
        _tree = null;
        return;
    }
    _log.info("loading shape point geospatial index...");
    Map<CoordinateBounds, List<AgencyAndId>> shapeIdsByGridCell = ObjectSerializationLibrary.readObject(path);
    _log.info("block shape geospatial nodes: " + shapeIdsByGridCell.size());
    if (shapeIdsByGridCell.isEmpty()) {
        _tree = null;
        return;
    }
    _tree = new STRtree(shapeIdsByGridCell.size());
    for (Map.Entry<CoordinateBounds, List<AgencyAndId>> entry : shapeIdsByGridCell.entrySet()) {
        CoordinateBounds b = entry.getKey();
        Envelope env = new Envelope(b.getMinLon(), b.getMaxLon(), b.getMinLat(), b.getMaxLat());
        List<AgencyAndId> shapeIds = entry.getValue();
        _tree.insert(env, shapeIds);
    }
    _tree.build();
}

Example 38 with Envelope

use of com.vividsolutions.jts.geom.Envelope in project onebusaway-application-modules by camsys.

the class RoutesBeanServiceImpl method getRoutesWithRouteNameQuery.

private RoutesBean getRoutesWithRouteNameQuery(SearchQueryBean query) throws ServiceException {
    SearchResult<AgencyAndId> result = searchForRoutes(query);
    List<RouteBean> routeBeans = new ArrayList<RouteBean>();
    CoordinateBounds bounds = query.getBounds();
    for (AgencyAndId id : result.getResults()) {
        STRtree tree = _stopTreesByRouteId.get(id);
        if (tree == null) {
            _log.warn("stop tree not found for routeId=" + id);
            continue;
        }
        Envelope env = new Envelope(bounds.getMinLon(), bounds.getMaxLon(), bounds.getMinLat(), bounds.getMaxLat());
        HasItemsVisitor v = new HasItemsVisitor();
        tree.query(env, v);
        if (v.hasItems()) {
            RouteBean routeBean = _routeBeanService.getRouteForId(id);
            routeBeans.add(routeBean);
        }
    }
    boolean limitExceeded = BeanServiceSupport.checkLimitExceeded(routeBeans, query.getMaxCount());
    return constructResult(routeBeans, limitExceeded);
}

Example 39 with Envelope

use of com.vividsolutions.jts.geom.Envelope in project onebusaway-application-modules by camsys.

the class HierarchicalSTRtreeFactory method add.

public void add(double lat, double lon, T element) {
    STRtree tree = null;
    for (Map.Entry<CoordinateBounds, STRtree> entry : _treesByBounds.entrySet()) {
        CoordinateBounds bounds = entry.getKey();
        if (bounds.contains(lat, lon)) {
            tree = entry.getValue();
            break;
        }
    }
    if (tree == null) {
        double gLat = Math.floor(lat / _latStep) * _latStep;
        double gLon = Math.floor(lon / _lonStep) * _lonStep;
        CoordinateBounds b = new CoordinateBounds(gLat, gLon, gLat + _latStep, gLon + _lonStep);
        tree = new STRtree();
        _treesByBounds.put(b, tree);
    }
    Envelope env = new Envelope(lon, lon, lat, lat);
    tree.insert(env, element);
}

Example 40 with Envelope

use of com.vividsolutions.jts.geom.Envelope in project onebusaway-application-modules by camsys.

the class BoundingBoxController method index.

@RequestMapping()
public ModelAndView index() {
    GeometryFactory gf = new GeometryFactory();
    List<Polygon> polygons = new ArrayList<Polygon>();
    Map<String, CoordinateBounds> agencies = _agencyService.getAgencyIdsAndCoverageAreas();
    for (CoordinateBounds cb : agencies.values()) {
        Envelope e = new Envelope(cb.getMinLon(), cb.getMaxLon(), cb.getMinLat(), cb.getMaxLat());
        Polygon p = (Polygon) gf.toGeometry(e);
        polygons.add(p);
    }
    MultiPolygon mp = gf.createMultiPolygon(polygons.toArray(new Polygon[0]));
    Geometry hull = mp.convexHull();
    Envelope env = hull.getEnvelopeInternal();
    ModelAndView mv = new ModelAndView("bounding-box.jspx");
    mv.addObject("minY", env.getMinY());
    mv.addObject("minX", env.getMinX());
    mv.addObject("maxY", env.getMaxY());
    mv.addObject("maxX", env.getMaxX());
    mv.addObject("hullWKT", hull.toText());
    return mv;
}