19 #ifndef GEOS_TRIANGULATE_QUADEDGE_QUADEDGESUBDIVISION_H
20 #define GEOS_TRIANGULATE_QUADEDGE_QUADEDGESUBDIVISION_H
28 #include <geos/geom/MultiLineString.h>
29 #include <geos/triangulate/quadedge/QuadEdgeLocator.h>
30 #include <geos/triangulate/quadedge/Vertex.h>
36 class CoordinateSequence;
37 class GeometryCollection;
38 class MultiLineString;
39 class GeometryFactory;
45 namespace triangulate {
49 class TriangleVisitor;
51 const double EDGE_COINCIDENCE_TOL_FACTOR = 1000;
79 class GEOS_DLL QuadEdgeSubdivision {
81 typedef std::vector<QuadEdge*> QuadEdgeList;
92 static void getTriangleEdges(
const QuadEdge &startQE,
93 const QuadEdge* triEdge[3]);
96 QuadEdgeList quadEdges;
97 QuadEdgeList createdEdges;
100 double edgeCoincidenceTolerance;
103 std::unique_ptr<QuadEdgeLocator> locator;
123 virtual void initSubdiv(
QuadEdge* initEdges[3]);
132 inline double getTolerance()
const {
151 inline const QuadEdgeList& getEdges()
const {
162 inline void setLocator(std::unique_ptr<QuadEdgeLocator> locator) {
163 this->locator = std::move(locator);
173 virtual QuadEdge& makeEdge(
const Vertex &o,
const Vertex &d);
184 virtual QuadEdge& connect(QuadEdge &a, QuadEdge &b);
193 void remove(QuadEdge &e);
213 QuadEdge* locateFromEdge(
const Vertex &v,
214 const QuadEdge &startEdge)
const;
225 inline QuadEdge* locate(
const Vertex &v)
const {
226 return locator->locate(v);
238 inline QuadEdge* locate(
const geom::Coordinate &p) {
239 return locator->locate(Vertex(p));
279 bool isFrameEdge(
const QuadEdge &e)
const;
290 bool isFrameBorderEdge(
const QuadEdge &e)
const;
299 bool isFrameVertex(
const Vertex &v)
const;
334 std::unique_ptr<QuadEdgeList> getPrimaryEdges(
bool includeFrame);
343 typedef std::stack<QuadEdge*> QuadEdgeStack;
344 typedef std::set<QuadEdge*> QuadEdgeSet;
345 typedef std::list< geom::CoordinateSequence*> TriList;
365 QuadEdge** fetchTriangleToVisit(
QuadEdge *edge, QuadEdgeStack &edgeStack,
bool includeFrame,
366 QuadEdgeSet &visitedEdges);
375 void getTriangleCoordinates(TriList* triList,
bool includeFrame);
378 class TriangleCoordinatesVisitor;
379 class TriangleCircumcentreVisitor;
422 std::unique_ptr<geom::MultiLineString> getVoronoiDiagramEdges(
const geom::GeometryFactory& geomFact);
434 std::unique_ptr< std::vector<geom::Geometry*> > getVoronoiCellPolygons(
const geom::GeometryFactory& geomFact);
446 std::unique_ptr< std::vector<geom::Geometry*> > getVoronoiCellEdges(
const geom::GeometryFactory& geomFact);
464 std::unique_ptr<QuadEdgeSubdivision::QuadEdgeList> getVertexUniqueEdges(
bool includeFrame);
498 #endif //GEOS_TRIANGULATE_QUADEDGE_QUADEDGESUBDIVISION_H