00001 /********************************************************************** 00002 * $Id: DouglasPeuckerSimplifier.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) 2006 Refractions Research Inc. 00008 * 00009 * This is free software; you can redistribute and/or modify it under 00010 * the terms of the GNU Lesser General Licence as published 00011 * by the Free Software Foundation. 00012 * See the COPYING file for more information. 00013 * 00014 ********************************************************************** 00015 * 00016 * Last port: simplify/DouglasPeuckerSimplifier.java rev. 1.5 (JTS-1.7) 00017 * 00018 **********************************************************************/ 00019 00020 #ifndef _GEOS_SIMPLIFY_DOUBGLASPEUCKERSIMPLIFIER_H_ 00021 #define _GEOS_SIMPLIFY_DOUBGLASPEUCKERSIMPLIFIER_H_ 00022 00023 #include <memory> // for auto_ptr 00024 00025 // Forward declarations 00026 namespace geos { 00027 namespace geom { 00028 class Geometry; 00029 } 00030 } 00031 00032 namespace geos { 00033 namespace simplify { // geos::simplify 00034 00035 00050 class DouglasPeuckerSimplifier { 00051 00052 public: 00053 00054 static std::auto_ptr<geom::Geometry> simplify( 00055 const geom::Geometry* geom, 00056 double tolerance); 00057 00058 DouglasPeuckerSimplifier(const geom::Geometry* geom); 00059 00070 void setDistanceTolerance(double tolerance); 00071 00072 std::auto_ptr<geom::Geometry> getResultGeometry(); 00073 00074 00075 private: 00076 00077 const geom::Geometry* inputGeom; 00078 00079 double distanceTolerance; 00080 }; 00081 00082 00083 } // namespace geos::simplify 00084 } // namespace geos 00085 00086 #endif // _GEOS_SIMPLIFY_DOUBGLASPEUCKERSIMPLIFIER_H_ 00087 00088 /********************************************************************** 00089 * $Log$ 00090 * Revision 1.2 2006/04/13 10:39:12 strk 00091 * Initial implementation of TaggedLinesSimplifier class 00092 * 00093 * Revision 1.1 2006/04/11 16:04:34 strk 00094 * geos::simplify::DouglasPeukerSimplifier class + unit test 00095 * 00096 **********************************************************************/