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MaximalEdgeRing.h
1 /**********************************************************************
2 * $Id: MaximalEdgeRing.h 2731 2009-11-19 21:06:16Z strk $
3 *
4 * GEOS - Geometry Engine Open Source
5 * http://geos.refractions.net
6 *
7 * Copyright (C) 2006 Refractions Research Inc.
8 *
9 * This is free software; you can redistribute and/or modify it under
10 * the terms of the GNU Lesser General Public Licence as published
11 * by the Free Software Foundation.
12 * See the COPYING file for more information.
13 *
14 **********************************************************************
15 *
16 * Last port: operation/overlay/MaximalEdgeRing.java rev. 1.15 (JTS-1.10)
17 *
18 **********************************************************************/
19
20 #ifndef GEOS_OP_OVERLAY_MAXIMALEDGERING_H
21 #define GEOS_OP_OVERLAY_MAXIMALEDGERING_H
22
23 #include <geos/export.h>
24
25 #include <vector>
26
27 #include <geos/geomgraph/EdgeRing.h> // for inheritance
28
29 // Forward declarations
30 namespace geos {
31 namespace geom {
32 class GeometryFactory;
33 }
34 namespace geomgraph {
35 class DirectedEdge;
36 //class EdgeRing;
37 }
38 namespace operation {
39 namespace overlay {
40 class MinimalEdgeRing;
41 }
42 }
43 }
44
45 namespace geos {
46 namespace operation { // geos::operation
47 namespace overlay { // geos::operation::overlay
48
67 class GEOS_DLL MaximalEdgeRing: public geomgraph::EdgeRing {
68
69 public:
70
71 MaximalEdgeRing(geomgraph::DirectedEdge *start,
72 const geom::GeometryFactory *geometryFactory);
73 // throw(const TopologyException &)
74
75 virtual ~MaximalEdgeRing();
76
77 geomgraph::DirectedEdge* getNext(geomgraph::DirectedEdge *de);
78
79 void setEdgeRing(geomgraph::DirectedEdge* de, geomgraph::EdgeRing* er);
80
87 std::vector<MinimalEdgeRing*>* buildMinimalRings();
88
93 void buildMinimalRings(std::vector<MinimalEdgeRing*>& minEdgeRings);
94 void buildMinimalRings(std::vector<EdgeRing*>& minEdgeRings);
95
100 void linkDirectedEdgesForMinimalEdgeRings();
101 };
102
103
104 } // namespace geos::operation::overlay
105 } // namespace geos::operation
106 } // namespace geos
107
108 #endif // ndef GEOS_OP_OVERLAY_MAXIMALEDGERING_H
109
110 /**********************************************************************
111 * $Log$
112 * Revision 1.2 2006/03/27 16:02:34 strk
113 * Added INL file for MinimalEdgeRing, added many debugging blocks,
114 * fixed memory leak in ConnectedInteriorTester (bug #59)
115 *
116 * Revision 1.1 2006/03/17 13:24:59 strk
117 * opOverlay.h header splitted. Reduced header inclusions in operation/overlay implementation files. ElevationMatrixFilter code moved from own file to ElevationMatrix.cpp (ideally a class-private).
118 *
119 **********************************************************************/
120