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# CentroidLine.h

    00001 /**********************************************************************
    00002  * $Id: CentroidLine.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_CENTROIDLINE_H
    00018 #define GEOS_ALGORITHM_CENTROIDLINE_H
    00019
    00020
    00021 #include <geos/export.h>
    00022 #include <geos/geom/Coordinate.h>
    00023
    00024 // Forward declarations
    00025 namespace geos {
    00026         namespace geom {
    00027                 class Geometry;
    00028                 class CoordinateSequence;
    00029         }
    00030 }
    00031
    00032 namespace geos {
    00033 namespace algorithm { // geos::algorithm
    00034
    00035 class GEOS_DLL CentroidLine {
    00036 private:
    00037
    00038         geom::Coordinate centSum;
    00039
    00040         double totalLength;
    00041
    00042 public:
    00043
    00044         CentroidLine()
    00045                 :
    00046                 centSum(0.0, 0.0),
    00047                 totalLength(0.0)
    00048         {}
    00049
    00050         ~CentroidLine() {}
    00051
    00058         void add(const geom::Geometry *geom);
    00059
    00065         void add(const geom::CoordinateSequence *pts);
    00066
    00067         geom::Coordinate* getCentroid() const;
    00068
    00070         bool getCentroid(geom::Coordinate& ret) const;
    00071 };
    00072
    00073 } // namespace geos::algorithm
    00074 } // namespace geos
    00075
    00076
    00077 #endif // GEOS_ALGORITHM_CENTROIDLINE_H
    00078
    00079 /**********************************************************************
    00080  * $Log$
    00081  * Revision 1.1  2006/03/09 16:46:48  strk
    00082  * geos::geom namespace definition, first pass at headers split
    00083  *
    00084  **********************************************************************/
    00085