Examples of org.geotools.geometry.iso.topograph2D.index.SegmentIntersector

Package org.geotools.geometry.iso.topograph2D.index

Examples of org.geotools.geometry.iso.topograph2D.index.SegmentIntersector

org.geotools.geometry.iso.topograph2D.index.SegmentIntersector
Keeps informations about the intersections of Segments. Uses a LineIntersector to calculate the intersection between two line segments. @source $URL$

    // if (geom.isEmpty())
    // return true;


    GeometryGraph graph = new GeometryGraph(0, geom);
    LineIntersector li = new RobustLineIntersector();
    SegmentIntersector si = graph.computeSelfNodes(li, true);
    // if no self-intersection, must be simple
    
    // Primitives can be simple even if their boundary intersect
    // Complexes are not simple if their boundary intersect
    // TODO Bedeutung der attribute checken und entsprechend anpassen!
    if (!si.hasIntersection())
      return true;
    if (si.hasProperIntersection())
      return false;
    if (this.hasNonEndpointIntersection(graph))
      return false;
    if (this.hasClosedEndpointIntersection(graph))
      return false;

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   *         intersections found
   */
  public SegmentIntersector computeSelfNodes(LineIntersector li,
      boolean computeRingSelfNodes) {


    SegmentIntersector si = new SegmentIntersector(li, true, false);


    // get an instance for an edgeSetIntersector (here: MC Sweepline
    // Intersector)
    EdgeSetIntersector esi = this.createEdgeSetIntersector();

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   * @param includeProper
   * @return
   */
  public SegmentIntersector computeEdgeIntersections(GeometryGraph g,
      LineIntersector li, boolean includeProper) {
    SegmentIntersector si = new SegmentIntersector(li, includeProper, true);
    si.setBoundaryNodes(this.getBoundaryNodes(), g.getBoundaryNodes());


    EdgeSetIntersector esi = createEdgeSetIntersector();
    esi.computeIntersections(edges, g.edges, si);
    /*
     * for (Iterator i = g.edges.iterator(); i.hasNext();) { Edge e = (Edge)

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    }
    this.arg[0].computeSelfNodes(this.li, false);
    this.arg[1].computeSelfNodes(this.li, false);


    // compute intersections between edges of the two input geometries
    SegmentIntersector tIntersector =
      this.arg[0].computeEdgeIntersections(this.arg[1], this.li, false);


    this.computeIntersectionNodes(0);
    this.computeIntersectionNodes(1);

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Related Classes of org.geotools.geometry.iso.topograph2D.index.SegmentIntersector

org.geotools.geometry.iso.operation.IsSimpleOp

org.geotools.geometry.iso.operation.relate.RelateComputer

org.geotools.geometry.iso.topograph2D.Coordinate

org.geotools.geometry.iso.topograph2D.GeometryGraph

org.geotools.geometry.iso.topograph2D.Node

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