GEOS
3.6.2
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00001 /********************************************************************** 00002 * 00003 * GEOS - Geometry Engine Open Source 00004 * http://geos.osgeo.org 00005 * 00006 * Copyright (C) 2005-2006 Refractions Research Inc. 00007 * Copyright (C) 2001-2002 Vivid Solutions Inc. 00008 * 00009 * This is free software; you can redistribute and/or modify it under 00010 * the terms of the GNU Lesser General Public Licence as published 00011 * by the Free Software Foundation. 00012 * See the COPYING file for more information. 00013 * 00014 **********************************************************************/ 00015 00016 #ifndef GEOS_ALGORITHM_LOCATE_SIMPLEPOINTINAREALOCATOR_H 00017 #define GEOS_ALGORITHM_LOCATE_SIMPLEPOINTINAREALOCATOR_H 00018 00019 #include <geos/algorithm/locate/PointOnGeometryLocator.h> // inherited 00020 00021 // Forward declarations 00022 namespace geos { 00023 namespace geom { 00024 class Geometry; 00025 class Coordinate; 00026 class Polygon; 00027 } 00028 } 00029 00030 namespace geos { 00031 namespace algorithm { // geos::algorithm 00032 namespace locate { // geos::algorithm::locate 00033 00047 class SimplePointInAreaLocator : public PointOnGeometryLocator 00048 { 00049 00050 public: 00051 00052 static int locate(const geom::Coordinate& p, 00053 const geom::Geometry *geom); 00054 00055 static bool containsPointInPolygon(const geom::Coordinate& p, 00056 const geom::Polygon *poly); 00057 00058 SimplePointInAreaLocator( const geom::Geometry * g) 00059 : g( g) 00060 { } 00061 00062 int locate( const geom::Coordinate * p) 00063 { 00064 return locate( *p, g); 00065 } 00066 00067 private: 00068 00069 static bool containsPoint(const geom::Coordinate& p, 00070 const geom::Geometry *geom); 00071 00072 const geom::Geometry * g; 00073 00074 }; 00075 00076 } // geos::algorithm::locate 00077 } // geos::algorithm 00078 } // geos 00079 00080 00081 #endif // GEOS_ALGORITHM_LOCATE_SIMPLEPOINTINAREALOCATOR_H