CentroidPoint.h

00001 /**********************************************************************
00002  * $Id: CentroidPoint.h 1820 2006-09-06 16:54:23Z mloskot $
00003  *
00004  * GEOS - Geometry Engine Open Source
00005  * http://geos.refractions.net
00006  *
00007  * Copyright (C) 2005-2006 Refractions Research Inc.
00008  * Copyright (C) 2001-2002 Vivid Solutions Inc.
00009  *
00010  * This is free software; you can redistribute and/or modify it under
00011  * the terms of the GNU Lesser General Public Licence as published
00012  * by the Free Software Foundation. 
00013  * See the COPYING file for more information.
00014  *
00015  **********************************************************************/
00016 
00017 #ifndef GEOS_ALGORITHM_CENTROIDPOINT_H
00018 #define GEOS_ALGORITHM_CENTROIDPOINT_H
00019 
00020 #include <geos/geom/Coordinate.h>
00021 
00022 // Forward declarations
00023 namespace geos {
00024         namespace geom {
00025                 class Geometry;
00026         }
00027 }
00028 
00029 
00030 namespace geos {
00031 namespace algorithm { // geos::algorithm
00032 
00033 class CentroidPoint {
00034 
00035 private:
00036 
00037         int ptCount;
00038 
00039         geom::Coordinate centSum;
00040 
00041 public:
00042 
00043         CentroidPoint()
00044                 :
00045                 ptCount(0),
00046                 centSum(0.0, 0.0)
00047         {}
00048 
00049         ~CentroidPoint()
00050         {}
00051 
00058         void add(const geom::Geometry *geom);
00059 
00060         void add(const geom::Coordinate *pt);
00061 
00062         geom::Coordinate* getCentroid() const;
00063 
00065         bool getCentroid(geom::Coordinate& ret) const;
00066 };
00067 
00068 } // namespace geos::algorithm
00069 } // namespace geos
00070 
00071 #endif // GEOS_ALGORITHM_CENTROIDPOINT_H
00072 
00073 /**********************************************************************
00074  * $Log$
00075  * Revision 1.1  2006/03/09 16:46:48  strk
00076  * geos::geom namespace definition, first pass at headers split
00077  *
00078  **********************************************************************/
00079 

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