GEOS 3.9.1
LastFoundQuadEdgeLocator.h
1/**********************************************************************
2 *
3 * GEOS - Geometry Engine Open Source
4 * http://geos.osgeo.org
5 *
6 * Copyright (C) 2012 Excensus LLC.
7 *
8 * This is free software; you can redistribute and/or modify it under
9 * the terms of the GNU Lesser General Licence as published
10 * by the Free Software Foundation.
11 * See the COPYING file for more information.
12 *
13 **********************************************************************
14 *
15 * Last port: triangulate/quadedge/LastFoundQuadEdgeLocator.java r524
16 *
17 **********************************************************************/
18
19#ifndef GEOS_TRIANGULATE_QUADEDGE_LASTFOUNDQUADEDGELOCATOR_H
20#define GEOS_TRIANGULATE_QUADEDGE_LASTFOUNDQUADEDGELOCATOR_H
21
22#include <geos/triangulate/quadedge/QuadEdge.h>
23#include <geos/triangulate/quadedge/QuadEdgeLocator.h>
24
25namespace geos {
26namespace triangulate { //geos.triangulate
27namespace quadedge { //geos.triangulate.quadedge
28
29//fwd declarations
30class QuadEdgeSubdivision;
31
40private:
41 QuadEdgeSubdivision* subdiv;
42 QuadEdge* lastEdge;
43
44public:
46
47private:
48 virtual void init();
49
50 virtual QuadEdge* findEdge();
51
52public:
58 QuadEdge* locate(const Vertex& v) override;
59};
60
61} //namespace geos.triangulate.quadedge
62} //namespace geos.triangulate
63} //namespace goes
64
65#endif // GEOS_TRIANGULATE_QUADEDGE_LASTFOUNDQUADEDGELOCATOR_H
66
Locates QuadEdges in a QuadEdgeSubdivision, optimizing the search by starting in the locality of the ...
Definition LastFoundQuadEdgeLocator.h:39
QuadEdge * locate(const Vertex &v) override
An interface for classes which locate an edge in a QuadEdgeSubdivision which either contains a given ...
Definition QuadEdgeLocator.h:40
A class that contains the QuadEdges representing a planar subdivision that models a triangulation.
Definition QuadEdgeSubdivision.h:80
A class that represents the edge data structure which implements the quadedge algebra.
Definition QuadEdge.h:54
Models a site (node) in a QuadEdgeSubdivision.
Definition Vertex.h:60
Basic namespace for all GEOS functionalities.
Definition IndexedNestedRingTester.h:26