Examples with IGeometryFilter com.wdtinc.mapbox_vector_tile.adapt.jts.IGeometryFilter used on opensource projects

Example 1 with IGeometryFilter

use of com.wdtinc.mapbox_vector_tile.adapt.jts.IGeometryFilter in project graphhopper by graphhopper.

the class MVTResource method doGetXyz.

@GET
@Path("{z}/{x}/{y}.mvt")
@Produces("application/x-protobuf")
public Response doGetXyz(@Context HttpServletRequest httpReq, @Context UriInfo uriInfo, @PathParam("z") int zInfo, @PathParam("x") int xInfo, @PathParam("y") int yInfo, @QueryParam(Parameters.Details.PATH_DETAILS) List<String> pathDetails) {
    if (zInfo <= 9) {
        VectorTile.Tile.Builder mvtBuilder = VectorTile.Tile.newBuilder();
        return Response.fromResponse(Response.ok(mvtBuilder.build().toByteArray(), PBF).build()).header("X-GH-Took", "0").build();
    }
    StopWatch totalSW = new StopWatch().start();
    Coordinate nw = num2deg(xInfo, yInfo, zInfo);
    Coordinate se = num2deg(xInfo + 1, yInfo + 1, zInfo);
    LocationIndexTree locationIndex = (LocationIndexTree) graphHopper.getLocationIndex();
    final NodeAccess na = graphHopper.getGraphHopperStorage().getNodeAccess();
    BBox bbox = new BBox(nw.x, se.x, se.y, nw.y);
    if (!bbox.isValid())
        throw new IllegalStateException("Invalid bbox " + bbox);
    final GeometryFactory geometryFactory = new GeometryFactory();
    VectorTile.Tile.Builder mvtBuilder = VectorTile.Tile.newBuilder();
    final IGeometryFilter acceptAllGeomFilter = geometry -> true;
    final Envelope tileEnvelope = new Envelope(se, nw);
    final MvtLayerParams layerParams = new MvtLayerParams(256, 4096);
    final UserDataKeyValueMapConverter converter = new UserDataKeyValueMapConverter();
    if (!encodingManager.hasEncodedValue(RoadClass.KEY))
        throw new IllegalStateException("You need to configure GraphHopper to store road_class, e.g. graph.encoded_values: road_class,max_speed,... ");
    final EnumEncodedValue<RoadClass> roadClassEnc = encodingManager.getEnumEncodedValue(RoadClass.KEY, RoadClass.class);
    final AtomicInteger edgeCounter = new AtomicInteger(0);
    // in toFeatures addTags of the converter is called and layerProps is filled with keys&values => those need to be stored in the layerBuilder
    // otherwise the decoding won't be successful and "undefined":"undefined" instead of "speed": 30 is the result
    final MvtLayerProps layerProps = new MvtLayerProps();
    final VectorTile.Tile.Layer.Builder layerBuilder = MvtLayerBuild.newLayerBuilder("roads", layerParams);
    locationIndex.query(bbox, edgeId -> {
        EdgeIteratorState edge = graphHopper.getGraphHopperStorage().getEdgeIteratorStateForKey(edgeId * 2);
        LineString lineString;
        RoadClass rc = edge.get(roadClassEnc);
        if (zInfo >= 14) {
            PointList pl = edge.fetchWayGeometry(FetchMode.ALL);
            lineString = pl.toLineString(false);
        } else if (rc == RoadClass.MOTORWAY || zInfo > 10 && (rc == RoadClass.PRIMARY || rc == RoadClass.TRUNK) || zInfo > 11 && (rc == RoadClass.SECONDARY) || zInfo > 12) {
            double lat = na.getLat(edge.getBaseNode());
            double lon = na.getLon(edge.getBaseNode());
            double toLat = na.getLat(edge.getAdjNode());
            double toLon = na.getLon(edge.getAdjNode());
            lineString = geometryFactory.createLineString(new Coordinate[] { new Coordinate(lon, lat), new Coordinate(toLon, toLat) });
        } else {
            // skip edge for certain zoom
            return;
        }
        edgeCounter.incrementAndGet();
        Map<String, Object> map = new HashMap<>(2);
        map.put("name", edge.getName());
        for (String str : pathDetails) {
            // how to indicate an erroneous parameter?
            if (str.contains(",") || !encodingManager.hasEncodedValue(str))
                continue;
            EncodedValue ev = encodingManager.getEncodedValue(str, EncodedValue.class);
            if (ev instanceof EnumEncodedValue)
                map.put(ev.getName(), edge.get((EnumEncodedValue) ev).toString());
            else if (ev instanceof DecimalEncodedValue)
                map.put(ev.getName(), edge.get((DecimalEncodedValue) ev));
            else if (ev instanceof BooleanEncodedValue)
                map.put(ev.getName(), edge.get((BooleanEncodedValue) ev));
            else if (ev instanceof IntEncodedValue)
                map.put(ev.getName(), edge.get((IntEncodedValue) ev));
        }
        lineString.setUserData(map);
        // doing some AffineTransformation
        TileGeomResult tileGeom = JtsAdapter.createTileGeom(lineString, tileEnvelope, geometryFactory, layerParams, acceptAllGeomFilter);
        List<VectorTile.Tile.Feature> features = JtsAdapter.toFeatures(tileGeom.mvtGeoms, layerProps, converter);
        layerBuilder.addAllFeatures(features);
    });
    MvtLayerBuild.writeProps(layerBuilder, layerProps);
    mvtBuilder.addLayers(layerBuilder.build());
    byte[] bytes = mvtBuilder.build().toByteArray();
    totalSW.stop();
    logger.debug("took: " + totalSW.getSeconds() + ", edges:" + edgeCounter.get());
    return Response.ok(bytes, PBF).header("X-GH-Took", "" + totalSW.getSeconds() * 1000).build();
}