Пример #1
0
  /**
   * Add the given line to the graph
   *
   * @param wrappedLine is MasonGeometry wrapping a JTS line
   * @note Some code copied from JTS PolygonizeGraph.addEdge() and hacked to fit
   */
  private void addLineString(MasonGeometry wrappedLine) {
    LineString line = (LineString) wrappedLine.geometry;

    if (line.isEmpty()) {
      return;
    }

    Coordinate[] linePts = CoordinateArrays.removeRepeatedPoints(line.getCoordinates());

    if (linePts.length < 2) {
      return;
    }

    Coordinate startPt = linePts[0];
    Coordinate endPt = linePts[linePts.length - 1];

    Node nStart = getNode(startPt); // nodes added as necessary side-effect
    Node nEnd = getNode(endPt);

    GeomPlanarGraphEdge edge = new GeomPlanarGraphEdge(line);

    GeomPlanarGraphDirectedEdge de0 =
        new GeomPlanarGraphDirectedEdge(nStart, nEnd, linePts[1], true);
    GeomPlanarGraphDirectedEdge de1 =
        new GeomPlanarGraphDirectedEdge(nEnd, nStart, linePts[linePts.length - 2], false);

    edge.setDirectedEdges(de0, de1);

    edge.setAttributes(wrappedLine.getAttributes());

    add(edge);
  }
Пример #2
0
  /**
   * Adds an Edge, DirectedEdges, and Nodes for the given LineString representation of an edge.
   * Snaps all vertices according to GraphParams.GLOBAL_SNAP_DIST
   *
   * @param lineString
   * @param id : the id coming out of OSM
   */
  public void addLineString(
      LineString lineString, int id, short envType, short cykType, double groenM) {

    distancesCalculated = false;

    if (lineString.isEmpty()) {
      return;
    }
    if (lineString.getCoordinates().length < 2) {
      System.exit(1);
    }

    Coordinate[] coordinates = lineString.getCoordinates();
    modifyEnvelope(coordinates);

    if (GraphParams.getInstance().getSnap()) {
      double sd = GraphParams.getInstance().getSnapDistance();
      for (Coordinate c : coordinates) {
        c.x = c.x - (c.x % sd);
        c.y = c.y - (c.y % sd);
      }
    }

    Edge edge = getLineMergeGraphH4cked().addEdge(lineString);
    edgeId__edge.put(id, edge);
    if (edge != null) { // edge might not have been added because of coinciding coordinates
      if (lineString.getUserData() == null) lineString.setUserData(new HashMap<String, Object>(3));
      @SuppressWarnings("unchecked")
      HashMap<String, Object> userdata = (HashMap<String, Object>) lineString.getUserData();
      // HashMap<String, Object> hm = new HashMap<String, Object>();

      userdata.put("id", id);
      userdata.put("et", envType);
      userdata.put("ct", cykType);
      userdata.put("gm", groenM); // groenM
      userdata.put("geom", lineString);
      edge.setData(userdata);

      // add edge data to the spatial index

    }
  }