GEOS  3.3.3
RelateComputer.h
1 /**********************************************************************
2  *
3  * GEOS - Geometry Engine Open Source
4  * http://geos.refractions.net
5  *
6  * Copyright (C) 2011 Sandro Santilli <strk@keybit.net>
7  * Copyright (C) 2006 Refractions Research Inc.
8  * Copyright (C) 2001-2002 Vivid Solutions Inc.
9  *
10  * This is free software; you can redistribute and/or modify it under
11  * the terms of the GNU Lesser General Public Licence as published
12  * by the Free Software Foundation.
13  * See the COPYING file for more information.
14  *
15  **********************************************************************
16  *
17  * Last port: operation/relate/RelateComputer.java rev. 1.24 (JTS-1.10)
18  *
19  **********************************************************************/
20 
21 #ifndef GEOS_OP_RELATE_RELATECOMPUTER_H
22 #define GEOS_OP_RELATE_RELATECOMPUTER_H
23 
24 #include <geos/export.h>
25 
26 #include <geos/algorithm/PointLocator.h> // for RelateComputer composition
27 #include <geos/algorithm/LineIntersector.h> // for RelateComputer composition
28 #include <geos/geomgraph/NodeMap.h> // for RelateComputer composition
29 #include <geos/geom/Coordinate.h> // for RelateComputer composition
30 
31 #include <vector>
32 #include <memory>
33 
34 #ifdef _MSC_VER
35 #pragma warning(push)
36 #pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
37 #endif
38 
39 // Forward declarations
40 namespace geos {
41  namespace geom {
42  class IntersectionMatrix;
43  class Geometry;
44  }
45  namespace geomgraph {
46  class GeometryGraph;
47  class Edge;
48  class EdgeEnd;
49  class Node;
50  namespace index {
51  class SegmentIntersector;
52  }
53  }
54 }
55 
56 
57 namespace geos {
58 namespace operation { // geos::operation
59 namespace relate { // geos::operation::relate
60 
75 class GEOS_DLL RelateComputer {
76 public:
77  RelateComputer(std::vector<geomgraph::GeometryGraph*> *newArg);
78  ~RelateComputer();
79 
80  geom::IntersectionMatrix* computeIM();
81 private:
82 
84 
85  algorithm::PointLocator ptLocator;
86 
88  std::vector<geomgraph::GeometryGraph*> *arg;
89 
90  geomgraph::NodeMap nodes;
91 
93  std::auto_ptr<geom::IntersectionMatrix> im;
94 
95  std::vector<geomgraph::Edge*> isolatedEdges;
96 
98  geom::Coordinate invalidPoint;
99 
100  void insertEdgeEnds(std::vector<geomgraph::EdgeEnd*> *ee);
101 
102  void computeProperIntersectionIM(
103  geomgraph::index::SegmentIntersector *intersector,
105 
106  void copyNodesAndLabels(int argIndex);
107  void computeIntersectionNodes(int argIndex);
108  void labelIntersectionNodes(int argIndex);
109 
114  void computeDisjointIM(geom::IntersectionMatrix *imX);
115 
116  void labelNodeEdges();
117 
121  void updateIM(geom::IntersectionMatrix *imX);
122 
131  void labelIsolatedEdges(int thisIndex,int targetIndex);
132 
140  void labelIsolatedEdge(geomgraph::Edge *e,int targetIndex,
141  const geom::Geometry *target);
142 
152  void labelIsolatedNodes();
153 
157  void labelIsolatedNode(geomgraph::Node *n,int targetIndex);
158 };
159 
160 
161 } // namespace geos:operation:relate
162 } // namespace geos:operation
163 } // namespace geos
164 
165 #ifdef _MSC_VER
166 #pragma warning(pop)
167 #endif
168 
169 #endif // GEOS_OP_RELATE_RELATECOMPUTER_H
170 
171 /**********************************************************************
172  * $Log$
173  * Revision 1.1 2006/03/21 13:11:29 strk
174  * opRelate.h header split
175  *
176  **********************************************************************/
177