GEOS  3.6.1
CentroidLine.h
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2  *
3  * GEOS - Geometry Engine Open Source
4  * http://geos.osgeo.org
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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_CENTROIDLINE_H
17 #define GEOS_ALGORITHM_CENTROIDLINE_H
18 
19 
20 #include <geos/export.h>
21 #include <geos/geom/Coordinate.h>
22 
23 // Forward declarations
24 namespace geos {
25  namespace geom {
26  class Geometry;
27  class CoordinateSequence;
28  }
29 }
30 
31 namespace geos {
32 namespace algorithm { // geos::algorithm
33 
35 class GEOS_DLL CentroidLine {
36 private:
37 
38  geom::Coordinate centSum;
39 
40  double totalLength;
41 
42 public:
43 
44  CentroidLine()
45  :
46  centSum(0.0, 0.0),
47  totalLength(0.0)
48  {}
49 
50  ~CentroidLine() {}
51 
58  void add(const geom::Geometry *geom);
59 
65  void add(const geom::CoordinateSequence *pts);
66 
67  geom::Coordinate* getCentroid() const;
68 
70  bool getCentroid(geom::Coordinate& ret) const;
71 };
72 
73 } // namespace geos::algorithm
74 } // namespace geos
75 
76 
77 #endif // GEOS_ALGORITHM_CENTROIDLINE_H
Coordinate is the lightweight class used to store coordinates.
Definition: Coordinate.h:60
Definition: CentroidLine.h:35
Basic implementation of Geometry, constructed and destructed by GeometryFactory.
Definition: Geometry.h:167
Basic namespace for all GEOS functionalities.
Definition: IndexedNestedRingTester.h:25
The internal representation of a list of coordinates inside a Geometry.
Definition: CoordinateSequence.h:59