GEOS  3.6.1
CentroidPoint.h
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2  *
3  * GEOS - Geometry Engine Open Source
4  * http://geos.osgeo.org
5  *
6  * Copyright (C) 2005-2006 Refractions Research Inc.
7  * Copyright (C) 2001-2002 Vivid Solutions Inc.
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15 
16 #ifndef GEOS_ALGORITHM_CENTROIDPOINT_H
17 #define GEOS_ALGORITHM_CENTROIDPOINT_H
18 
19 #include <geos/export.h>
20 #include <geos/geom/Coordinate.h>
21 
22 // Forward declarations
23 namespace geos {
24  namespace geom {
25  class Geometry;
26  }
27 }
28 
29 
30 namespace geos {
31 namespace algorithm { // geos::algorithm
32 
34 class GEOS_DLL CentroidPoint {
35 
36 private:
37 
38  int ptCount;
39 
40  geom::Coordinate centSum;
41 
42 public:
43 
45  :
46  ptCount(0),
47  centSum(0.0, 0.0)
48  {}
49 
50  ~CentroidPoint()
51  {}
52 
59  void add(const geom::Geometry *geom);
60 
61  void add(const geom::Coordinate *pt);
62 
63  geom::Coordinate* getCentroid() const;
64 
66  bool getCentroid(geom::Coordinate& ret) const;
67 };
68 
69 } // namespace geos::algorithm
70 } // namespace geos
71 
72 #endif // GEOS_ALGORITHM_CENTROIDPOINT_H
Coordinate is the lightweight class used to store coordinates.
Definition: Coordinate.h:60
Basic implementation of Geometry, constructed and destructed by GeometryFactory.
Definition: Geometry.h:167
Basic namespace for all GEOS functionalities.
Definition: IndexedNestedRingTester.h:25
Definition: CentroidPoint.h:34