• Main Page
  • Related Pages
  • Namespaces
  • Classes
  • Files
  • File List

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 

Generated on Thu Jul 22 2010 for GEOS by  doxygen 1.7.1