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CentroidPoint.h
1 /**********************************************************************
2 * $Id: CentroidPoint.h 2556 2009-06-06 22:22:28Z strk $
3 *
4 * GEOS - Geometry Engine Open Source
5 * http://geos.refractions.net
6 *
7 * Copyright (C) 2005-2006 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 #ifndef GEOS_ALGORITHM_CENTROIDPOINT_H
18 #define GEOS_ALGORITHM_CENTROIDPOINT_H
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 }
28 }
29
30
31 namespace geos {
32 namespace algorithm { // geos::algorithm
33
34 class GEOS_DLL CentroidPoint {
35
36 private:
37
38 int ptCount;
39
40 geom::Coordinate centSum;
41
42 public:
43
44 CentroidPoint()
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
73
74 /**********************************************************************
75 * $Log$
76 * Revision 1.1 2006/03/09 16:46:48 strk
77 * geos::geom namespace definition, first pass at headers split
78 *
79 **********************************************************************/
80