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# CentroidLine.h

    00001 /**********************************************************************
    00002  * $Id: CentroidLine.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_CENTROIDLINE_H
    00018 #define GEOS_ALGORITHM_CENTROIDLINE_H
    00019
    00020
    00021 #include <geos/geom/Coordinate.h>
    00022
    00023 // Forward declarations
    00024 namespace geos {
    00025         namespace geom {
    00026                 class Geometry;
    00027                 class CoordinateSequence;
    00028         }
    00029 }
    00030
    00031 namespace geos {
    00032 namespace algorithm { // geos::algorithm
    00033
    00034 class CentroidLine {
    00035 private:
    00036
    00037         geom::Coordinate centSum;
    00038
    00039         double totalLength;
    00040
    00041 public:
    00042
    00043         CentroidLine()
    00044                 :
    00045                 centSum(0.0, 0.0),
    00046                 totalLength(0.0)
    00047         {}
    00048
    00049         ~CentroidLine() {}
    00050
    00057         void add(const geom::Geometry *geom);
    00058
    00064         void add(const geom::CoordinateSequence *pts);
    00065
    00066         geom::Coordinate* getCentroid() const;
    00067
    00069         bool getCentroid(geom::Coordinate& ret) const;
    00070 };
    00071
    00072 } // namespace geos::algorithm
    00073 } // namespace geos
    00074
    00075
    00076 #endif // GEOS_ALGORITHM_CENTROIDLINE_H
    00077
    00078 /**********************************************************************
    00079  * $Log$
    00080  * Revision 1.1  2006/03/09 16:46:48  strk
    00081  * geos::geom namespace definition, first pass at headers split
    00082  *
    00083  **********************************************************************/
    00084