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InteriorPointLine.h

00001 /**********************************************************************
00002  * $Id: InteriorPointLine.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_INTERIORPOINTLINE_H
00018 #define GEOS_ALGORITHM_INTERIORPOINTLINE_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                 class CoordinateSequence;
00028         }
00029 }
00030 
00031 
00032 namespace geos {
00033 namespace algorithm { // geos::algorithm
00034 
00046 class GEOS_DLL InteriorPointLine {
00047 public:
00048 
00049         InteriorPointLine(const geom::Geometry *g);
00050 
00051         ~InteriorPointLine();
00052 
00053         //Coordinate* getInteriorPoint() const;
00054 
00055         bool getInteriorPoint(geom::Coordinate& ret) const;
00056 
00057 private:
00058 
00059         bool hasInterior;
00060 
00061         geom::Coordinate centroid;
00062 
00063         double minDistance;
00064 
00065         geom::Coordinate interiorPoint;
00066 
00067         void addInterior(const geom::Geometry *geom);
00068 
00069         void addInterior(const geom::CoordinateSequence *pts);
00070         
00071         void addEndpoints(const geom::Geometry *geom);
00072 
00073         void addEndpoints(const geom::CoordinateSequence *pts);
00074 
00075         void add(const geom::Coordinate& point);
00076 
00077 };
00078 
00079 } // namespace geos::algorithm
00080 } // namespace geos
00081 
00082 #endif // GEOS_ALGORITHM_INTERIORPOINTLINE_H
00083 
00084 /**********************************************************************
00085  * $Log$
00086  * Revision 1.1  2006/03/09 16:46:48  strk
00087  * geos::geom namespace definition, first pass at headers split
00088  *
00089  **********************************************************************/
00090 

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