GEOS  3.8.0dev
SinglePassNoder.h
1 /**********************************************************************
2  *
3  * GEOS - Geometry Engine Open Source
4  * http://geos.osgeo.org
5  *
6  * Copyright (C) 2006 Refractions Research Inc.
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9  * the terms of the GNU Lesser General Public Licence as published
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14 
15 #ifndef GEOS_NODING_SINGLEPASSNODER_H
16 #define GEOS_NODING_SINGLEPASSNODER_H
17 
18 #include <geos/export.h>
19 
20 #include <vector>
21 
22 #include <geos/inline.h>
23 
24 #include <geos/noding/Noder.h>
25 
26 // Forward declarations
27 namespace geos {
28 namespace noding {
29 class SegmentString;
30 class SegmentIntersector;
31 }
32 }
33 
34 namespace geos {
35 namespace noding { // geos.noding
36 
37 
51 class GEOS_DLL SinglePassNoder : public Noder { // implements Noder
52 
53 protected:
54 
57 
58 public:
59 
60  SinglePassNoder(SegmentIntersector* nSegInt = nullptr): segInt(nSegInt) {}
61 
62  ~SinglePassNoder() override {}
63 
74  virtual void
76  {
77  segInt = newSegInt;
78  }
79 
85  void computeNodes(std::vector<SegmentString*>* segStrings) override = 0;
86 
94  std::vector<SegmentString*>* getNodedSubstrings() const override = 0;
95 
96 };
97 
98 } // namespace geos.noding
99 } // namespace geos
100 
101 #endif // GEOS_NODING_SINGLEPASSNODER_H
virtual void setSegmentIntersector(SegmentIntersector *newSegInt)
Sets the SegmentIntersector to use with this noder.
Definition: SinglePassNoder.h:75
SegmentIntersector * segInt
Externally owned.
Definition: SinglePassNoder.h:56
Base class for Noders which make a single pass to find intersections.
Definition: SinglePassNoder.h:51
Basic namespace for all GEOS functionalities.
Definition: IndexedNestedRingTester.h:25
Computes all intersections between segments in a set of SegmentString.
Definition: Noder.h:49
Processes possible intersections detected by a Noder.
Definition: noding/SegmentIntersector.h:48