GEOS  3.8.1
IteratedNoder.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: noding/IteratedNoder.java r591 (JTS-1.12+)
16  *
17  **********************************************************************/
18 
19 #ifndef GEOS_NODING_ITERATEDNODER_H
20 #define GEOS_NODING_ITERATEDNODER_H
21 
22 #include <geos/export.h>
23 
24 #include <vector>
25 #include <iostream>
26 
27 #include <geos/inline.h>
28 
29 #include <geos/algorithm/LineIntersector.h>
30 #include <geos/noding/SegmentString.h> // due to inlines
31 #include <geos/noding/Noder.h> // for inheritance
32 
33 // Forward declarations
34 namespace geos {
35 namespace geom {
36 class PrecisionModel;
37 }
38 }
39 
40 namespace geos {
41 namespace noding { // geos::noding
42 
55 class GEOS_DLL IteratedNoder : public Noder { // implements Noder
56 
57 private:
58  static const int MAX_ITER = 5;
59 
60 
61  const geom::PrecisionModel* pm;
62  algorithm::LineIntersector li;
63  std::vector<SegmentString*>* nodedSegStrings;
64  int maxIter;
65 
70  void node(std::vector<SegmentString*>* segStrings,
71  int* numInteriorIntersections);
72 
73 public:
74 
75  IteratedNoder(const geom::PrecisionModel* newPm)
76  :
77  pm(newPm),
78  li(pm),
79  maxIter(MAX_ITER)
80  {
81  }
82 
83  ~IteratedNoder() override {}
84 
95  void
96  setMaximumIterations(int n)
97  {
98  maxIter = n;
99  }
100 
101  std::vector<SegmentString*>*
102  getNodedSubstrings() const override
103  {
104  return nodedSegStrings;
105  }
106 
107 
117  void computeNodes(std::vector<SegmentString*>* inputSegmentStrings) override; // throw(GEOSException);
118 };
119 
120 } // namespace geos::noding
121 } // namespace geos
122 
123 
124 #endif // GEOS_NODING_ITERATEDNODER_H
geos
Basic namespace for all GEOS functionalities.
Definition: IndexedNestedRingTester.h:24