GEOS  3.8.0dev
MaximalEdgeRing.h
1 /**********************************************************************
2  *
3  * GEOS - Geometry Engine Open Source
4  * http://geos.osgeo.org
5  *
6  * Copyright (C) 2006 Refractions Research Inc.
7  *
8  * This is free software; you can redistribute and/or modify it under
9  * the terms of the GNU Lesser General Public Licence as published
10  * by the Free Software Foundation.
11  * See the COPYING file for more information.
12  *
13  **********************************************************************
14  *
15  * Last port: operation/overlay/MaximalEdgeRing.java rev. 1.15 (JTS-1.10)
16  *
17  **********************************************************************/
18 
19 #ifndef GEOS_OP_OVERLAY_MAXIMALEDGERING_H
20 #define GEOS_OP_OVERLAY_MAXIMALEDGERING_H
21 
22 #include <geos/export.h>
23 
24 #include <vector>
25 
26 #include <geos/geomgraph/EdgeRing.h> // for inheritance
27 
28 // Forward declarations
29 namespace geos {
30 namespace geom {
31 class GeometryFactory;
32 }
33 namespace geomgraph {
34 class DirectedEdge;
35 //class EdgeRing;
36 }
37 namespace operation {
38 namespace overlay {
39 class MinimalEdgeRing;
40 }
41 }
42 }
43 
44 namespace geos {
45 namespace operation { // geos::operation
46 namespace overlay { // geos::operation::overlay
47 
66 class GEOS_DLL MaximalEdgeRing: public geomgraph::EdgeRing {
67 
68 public:
69 
71  const geom::GeometryFactory* geometryFactory);
72  // throw(const TopologyException &)
73 
74  ~MaximalEdgeRing() override;
75 
76  geomgraph::DirectedEdge* getNext(geomgraph::DirectedEdge* de) override;
77 
78  void setEdgeRing(geomgraph::DirectedEdge* de, geomgraph::EdgeRing* er) override;
79 
86  std::vector<MinimalEdgeRing*>* buildMinimalRings();
87 
92  void buildMinimalRings(std::vector<MinimalEdgeRing*>& minEdgeRings);
93  void buildMinimalRings(std::vector<EdgeRing*>& minEdgeRings);
94 
99  void linkDirectedEdgesForMinimalEdgeRings();
100 };
101 
102 
103 } // namespace geos::operation::overlay
104 } // namespace geos::operation
105 } // namespace geos
106 
107 #endif // ndef GEOS_OP_OVERLAY_MAXIMALEDGERING_H
A directed EdgeEnd.
Definition: geomgraph/DirectedEdge.h:44
Definition: geomgraph/EdgeRing.h:59
Supplies a set of utility methods for building Geometry objects from CoordinateSequence or other Geom...
Definition: GeometryFactory.h:67
Basic namespace for all GEOS functionalities.
Definition: IndexedNestedRingTester.h:25
A ring of edges which may contain nodes of degree > 2.
Definition: MaximalEdgeRing.h:66