GEOS  3.12.0
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 #pragma once
20 
21 #include <geos/export.h>
22 
23 #include <vector>
24 
25 #include <geos/geomgraph/EdgeRing.h> // for inheritance
26 
27 // Forward declarations
28 namespace geos {
29 namespace geom {
30 class GeometryFactory;
31 }
32 namespace geomgraph {
33 class DirectedEdge;
34 //class EdgeRing;
35 }
36 namespace operation {
37 namespace overlay {
38 class MinimalEdgeRing;
39 }
40 }
41 }
42 
43 namespace geos {
44 namespace operation { // geos::operation
45 namespace overlay { // geos::operation::overlay
46 
65 class GEOS_DLL MaximalEdgeRing: public geomgraph::EdgeRing {
66 
67 public:
68 
70  const geom::GeometryFactory* geometryFactory);
71  // throw(const TopologyException &)
72 
73  ~MaximalEdgeRing() override = default;
74 
75  geomgraph::DirectedEdge* getNext(geomgraph::DirectedEdge* de) override;
76 
77  void setEdgeRing(geomgraph::DirectedEdge* de, geomgraph::EdgeRing* er) override;
78 
85  std::vector<MinimalEdgeRing*>* buildMinimalRings();
86 
91  void buildMinimalRings(std::vector<MinimalEdgeRing*>& minEdgeRings);
92  void buildMinimalRings(std::vector<EdgeRing*>& minEdgeRings);
93 
98  void linkDirectedEdgesForMinimalEdgeRings();
99 };
100 
101 
102 } // namespace geos::operation::overlay
103 } // namespace geos::operation
104 } // namespace geos
105 
A directed EdgeEnd.
Definition: geomgraph/DirectedEdge.h:42
Definition: geomgraph/EdgeRing.h:57
Supplies a set of utility methods for building Geometry objects from CoordinateSequence or other Geom...
Definition: GeometryFactory.h:65
Basic namespace for all GEOS functionalities.
Definition: Angle.h:25
A ring of DirectedEdges which may contain nodes of degree > 2.
Definition: MaximalEdgeRing.h:65