InteriorPointArea.h

00001 /**********************************************************************
00002  * $Id: InteriorPointArea.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_INTERIORPOINTAREA_H
00018 #define GEOS_ALGORITHM_INTERIORPOINTAREA_H
00019 
00020 #include <geos/geom/Coordinate.h>
00021 
00022 // Forward declarations
00023 namespace geos {
00024         namespace geom {
00025                 class Geometry;
00026                 class LineString;
00027                 class GeometryFactory;
00028                 class GeometryCollection;
00029         }
00030 }
00031 
00032 
00033 namespace geos {
00034 namespace algorithm { // geos::algorithm
00035 
00053 class InteriorPointArea {
00054 
00055 private:
00056 
00057         bool foundInterior;
00058 
00059         const geom::GeometryFactory *factory;
00060 
00061         geom::Coordinate interiorPoint;
00062 
00063         double maxWidth;
00064 
00065         void add(const geom::Geometry *geom);
00066 
00067         const geom::Geometry *widestGeometry(const geom::Geometry *geometry);
00068 
00069         const geom::Geometry *widestGeometry(const geom::GeometryCollection *gc);
00070 
00071         geom::LineString *horizontalBisector(const geom::Geometry *geometry);
00072 
00073 public:
00074 
00075         InteriorPointArea(const geom::Geometry *g);
00076 
00077         ~InteriorPointArea();
00078 
00079         bool getInteriorPoint(geom::Coordinate& ret) const;
00080 
00088         void addPolygon(const geom::Geometry *geometry);
00089 
00090 };
00091 
00092 } // namespace geos::algorithm
00093 } // namespace geos
00094 
00095 #endif // GEOS_ALGORITHM_INTERIORPOINTAREA_H
00096 
00097 /**********************************************************************
00098  * $Log$
00099  * Revision 1.1  2006/03/09 16:46:48  strk
00100  * geos::geom namespace definition, first pass at headers split
00101  *
00102  **********************************************************************/
00103 

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