00001 /********************************************************************** 00002 * $Id: ComponentCoordinateExtracter.h 2772 2009-12-03 19:30:54Z mloskot $ 00003 * 00004 * GEOS - Geometry Engine Open Source 00005 * http://geos.refractions.net 00006 * 00007 * Copyright (C) 2001-2002 Vivid Solutions Inc. 00008 * Copyright (C) 2006 Refractions Research 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_GEOM_UTIL_COMPONENTCOORDINATEEXTRACTER_H 00018 #define GEOS_GEOM_UTIL_COMPONENTCOORDINATEEXTRACTER_H 00019 00020 #include <vector> 00021 00022 #include <geos/geom/GeometryComponentFilter.h> 00023 #include <geos/geom/Geometry.h> // to be removed when we have the .inl 00024 #include <geos/geom/Coordinate.h> // to be removed when we have the .inl 00025 #include <geos/geom/LineString.h> // to be removed when we have the .inl 00026 #include <geos/geom/Point.h> // to be removed when we have the .inl 00027 //#include <geos/platform.h> 00028 00029 namespace geos { 00030 namespace geom { // geos::geom 00031 namespace util { // geos::geom::util 00032 00039 class ComponentCoordinateExtracter : public GeometryComponentFilter 00040 { 00041 public: 00049 static void getCoordinates(const Geometry &geom, std::vector<const Coordinate*> &ret) 00050 { 00051 ComponentCoordinateExtracter cce(ret); 00052 geom.apply_ro(&cce); 00053 } 00054 00059 ComponentCoordinateExtracter( std::vector<const Coordinate*> &newComps) 00060 : 00061 comps(newComps) 00062 {} 00063 00064 void filter_rw( Geometry * geom) 00065 { 00066 if ( geom->getGeometryTypeId() == geos::geom::GEOS_LINEARRING 00067 || geom->getGeometryTypeId() == geos::geom::GEOS_LINESTRING 00068 || geom->getGeometryTypeId() == geos::geom::GEOS_POINT ) 00069 comps.push_back( geom->getCoordinate() ); 00070 //if ( typeid( *geom ) == typeid( LineString ) 00071 // || typeid( *geom ) == typeid( Point ) ) 00072 //if ( const Coordinate *ls=dynamic_cast<const Coordinate *>(geom) ) 00073 // comps.push_back(ls); 00074 } 00075 00076 void filter_ro( const Geometry * geom) 00077 { 00078 //if ( typeid( *geom ) == typeid( LineString ) 00079 // || typeid( *geom ) == typeid( Point ) ) 00080 if ( geom->getGeometryTypeId() == geos::geom::GEOS_LINEARRING 00081 || geom->getGeometryTypeId() == geos::geom::GEOS_LINESTRING 00082 || geom->getGeometryTypeId() == geos::geom::GEOS_POINT ) 00083 comps.push_back( geom->getCoordinate() ); 00084 //if ( const Coordinate *ls=dynamic_cast<const Coordinate *>(geom) ) 00085 // comps.push_back(ls); 00086 } 00087 00088 private: 00089 00090 Coordinate::ConstVect &comps; 00091 00092 // Declare type as noncopyable 00093 ComponentCoordinateExtracter(const ComponentCoordinateExtracter& other); 00094 ComponentCoordinateExtracter& operator=(const ComponentCoordinateExtracter& rhs); 00095 }; 00096 00097 } // namespace geos.geom.util 00098 } // namespace geos.geom 00099 } // namespace geos 00100 00101 #endif //GEOS_GEOM_UTIL_COMPONENTCOORDINATEEXTRACTER_H 00102 00103 /********************************************************************** 00104 * $Log$ 00105 * 00106 **********************************************************************/