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# CentroidPoint.h

    00001 /**********************************************************************
    00002  * $Id: CentroidPoint.h 2556 2009-06-06 22:22:28Z strk $
    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/export.h>
    00021 #include <geos/geom/Coordinate.h>
    00022
    00023 // Forward declarations
    00024 namespace geos {
    00025         namespace geom {
    00026                 class Geometry;
    00027         }
    00028 }
    00029
    00030
    00031 namespace geos {
    00032 namespace algorithm { // geos::algorithm
    00033
    00034 class GEOS_DLL CentroidPoint {
    00035
    00036 private:
    00037
    00038         int ptCount;
    00039
    00040         geom::Coordinate centSum;
    00041
    00042 public:
    00043
    00044         CentroidPoint()
    00045                 :
    00046                 ptCount(0),
    00047                 centSum(0.0, 0.0)
    00048         {}
    00049
    00050         ~CentroidPoint()
    00051         {}
    00052
    00059         void add(const geom::Geometry *geom);
    00060
    00061         void add(const geom::Coordinate *pt);
    00062
    00063         geom::Coordinate* getCentroid() const;
    00064
    00066         bool getCentroid(geom::Coordinate& ret) const;
    00067 };
    00068
    00069 } // namespace geos::algorithm
    00070 } // namespace geos
    00071
    00072 #endif // GEOS_ALGORITHM_CENTROIDPOINT_H
    00073
    00074 /**********************************************************************
    00075  * $Log$
    00076  * Revision 1.1  2006/03/09 16:46:48  strk
    00077  * geos::geom namespace definition, first pass at headers split
    00078  *
    00079  **********************************************************************/
    00080