InteriorPointArea.h

00001 /**********************************************************************
00002  * $Id: InteriorPointArea.h 3746 2013-01-14 11:08:51Z strk $
00003  *
00004  * GEOS - Geometry Engine Open Source
00005  * http://geos.refractions.net
00006  *
00007  * Copyright (C) 2013 Sandro Santilli <strk@keybit.net>
00008  * Copyright (C) 2005-2006 Refractions Research Inc.
00009  * Copyright (C) 2001-2002 Vivid Solutions Inc.
00010  *
00011  * This is free software; you can redistribute and/or modify it under
00012  * the terms of the GNU Lesser General Public Licence as published
00013  * by the Free Software Foundation. 
00014  * See the COPYING file for more information.
00015  *
00016  **********************************************************************
00017  *
00018  * Last port: algorithm/InteriorPointArea.java r728 (JTS-1.13+)
00019  *
00020  **********************************************************************/
00021 
00022 #ifndef GEOS_ALGORITHM_INTERIORPOINTAREA_H
00023 #define GEOS_ALGORITHM_INTERIORPOINTAREA_H
00024 
00025 #include <geos/export.h>
00026 #include <geos/geom/Coordinate.h>
00027 
00028 // Forward declarations
00029 namespace geos {
00030         namespace geom {
00031                 class Geometry;
00032                 class LineString;
00033                 class GeometryFactory;
00034                 class GeometryCollection;
00035         }
00036 }
00037 
00038 
00039 namespace geos {
00040 namespace algorithm { // geos::algorithm
00041 
00059 class GEOS_DLL InteriorPointArea {
00060 
00061 private:
00062 
00063         bool foundInterior;
00064 
00065         const geom::GeometryFactory *factory;
00066 
00067         geom::Coordinate interiorPoint;
00068 
00069         double maxWidth;
00070 
00071         void add(const geom::Geometry *geom);
00072 
00073         const geom::Geometry *widestGeometry(const geom::Geometry *geometry);
00074 
00075         const geom::Geometry *widestGeometry(const geom::GeometryCollection *gc);
00076 
00077         geom::LineString *horizontalBisector(const geom::Geometry *geometry);
00078 
00079 public:
00080 
00081         InteriorPointArea(const geom::Geometry *g);
00082 
00083         ~InteriorPointArea();
00084 
00085         bool getInteriorPoint(geom::Coordinate& ret) const;
00086 
00094         void addPolygon(const geom::Geometry *geometry);
00095 
00096 };
00097 
00098 } // namespace geos::algorithm
00099 } // namespace geos
00100 
00101 #endif // GEOS_ALGORITHM_INTERIORPOINTAREA_H
00102 
00103 /**********************************************************************
00104  * $Log$
00105  * Revision 1.1  2006/03/09 16:46:48  strk
00106  * geos::geom namespace definition, first pass at headers split
00107  *
00108  **********************************************************************/
00109 

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