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EdgeEndBuilder.h
1 /**********************************************************************
2 * $Id: EdgeEndBuilder.h 2557 2009-06-08 09:30:55Z 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/relate/EdgeEndBuilder.java rev. 1.12 (JTS-1.10)
17 *
18 **********************************************************************/
19
20 #ifndef GEOS_OP_RELATE_EDGEENDBUILDER_H
21 #define GEOS_OP_RELATE_EDGEENDBUILDER_H
22
23 #include <geos/export.h>
24
25 #include <vector>
26
27 // Forward declarations
28 namespace geos {
29 namespace geom {
30 class IntersectionMatrix;
31 class Coordinate;
32 }
33 namespace geomgraph {
34 class Edge;
35 class EdgeIntersection;
36 class EdgeEnd;
37 }
38 }
39
40
41 namespace geos {
42 namespace operation { // geos::operation
43 namespace relate { // geos::operation::relate
44
49 class GEOS_DLL EdgeEndBuilder {
50 public:
51 EdgeEndBuilder() {}
52
53 std::vector<geomgraph::EdgeEnd*> *computeEdgeEnds(std::vector<geomgraph::Edge*> *edges);
54 void computeEdgeEnds(geomgraph::Edge *edge,std::vector<geomgraph::EdgeEnd*> *l);
55
56 protected:
57
58 void createEdgeEndForPrev(geomgraph::Edge *edge,
59 std::vector<geomgraph::EdgeEnd*> *l,
60 geomgraph::EdgeIntersection *eiCurr,
61 geomgraph::EdgeIntersection *eiPrev);
62
63 void createEdgeEndForNext(geomgraph::Edge *edge,
64 std::vector<geomgraph::EdgeEnd*> *l,
65 geomgraph::EdgeIntersection *eiCurr,
66 geomgraph::EdgeIntersection *eiNext);
67 };
68
69 } // namespace geos:operation:relate
70 } // namespace geos:operation
71 } // namespace geos
72
73 #endif // GEOS_OP_RELATE_EDGEENDBUILDER_H
74
75 /**********************************************************************
76 * $Log$
77 * Revision 1.1 2006/03/21 13:11:29 strk
78 * opRelate.h header split
79 *
80 **********************************************************************/
81