00001 /********************************************************************** 00002 * $Id: OverlayResultValidator.h 2780 2009-12-03 19:46:43Z 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 Public Licence as published 00011 * by the Free Software Foundation. 00012 * See the COPYING file for more information. 00013 * 00014 *********************************************************************** 00015 * 00016 * Last port: operation/overlay/validate/OverlayResultValidator.java rev. 1.4 (JTS-1.10) 00017 * 00018 **********************************************************************/ 00019 00020 #ifndef GEOS_OP_OVERLAY_OVERLAYRESULTVALIDATOR_H 00021 #define GEOS_OP_OVERLAY_OVERLAYRESULTVALIDATOR_H 00022 00023 #include <geos/operation/overlay/OverlayOp.h> // for OpCode enum 00024 #include <geos/operation/overlay/validate/FuzzyPointLocator.h> // composition 00025 #include <geos/geom/Location.h> // for Location::Value type 00026 00027 #include <vector> 00028 00029 // Forward declarations 00030 namespace geos { 00031 namespace geom { 00032 class Geometry; 00033 class Coordinate; 00034 } 00035 } 00036 00037 namespace geos { 00038 namespace operation { // geos::operation 00039 namespace overlay { // geos::operation::overlay 00040 namespace validate { // geos::operation::overlay::validate 00041 00059 class OverlayResultValidator { 00060 00061 public: 00062 00063 static bool isValid( 00064 const geom::Geometry& geom0, 00065 const geom::Geometry& geom1, 00066 OverlayOp::OpCode opCode, 00067 const geom::Geometry& result); 00068 00069 OverlayResultValidator( 00070 const geom::Geometry& geom0, 00071 const geom::Geometry& geom1, 00072 const geom::Geometry& result); 00073 00074 bool isValid(OverlayOp::OpCode opCode); 00075 00076 geom::Coordinate& getInvalidLocation() { 00077 return invalidLocation; 00078 } 00079 00080 private: 00081 00082 double boundaryDistanceTolerance; 00083 00084 const geom::Geometry& g0; 00085 00086 const geom::Geometry& g1; 00087 00088 const geom::Geometry& gres; 00089 00090 FuzzyPointLocator fpl0; 00091 00092 FuzzyPointLocator fpl1; 00093 00094 FuzzyPointLocator fplres; 00095 00096 geom::Coordinate invalidLocation; 00097 00098 std::vector<geom::Coordinate> testCoords; 00099 00100 void addTestPts(const geom::Geometry& g); 00101 00102 void addVertices(const geom::Geometry& g); 00103 00104 bool testValid(OverlayOp::OpCode overlayOp); 00105 00106 bool testValid(OverlayOp::OpCode overlayOp, const geom::Coordinate& pt); 00107 00108 bool isValidResult(OverlayOp::OpCode overlayOp, 00109 std::vector<geom::Location::Value>& location); 00110 00111 static double computeBoundaryDistanceTolerance( 00112 const geom::Geometry& g0, const geom::Geometry& g1); 00113 00114 // Declare type as noncopyable 00115 OverlayResultValidator(const OverlayResultValidator& other); 00116 OverlayResultValidator& operator=(const OverlayResultValidator& rhs); 00117 }; 00118 00119 } // namespace geos::operation::overlay::validate 00120 } // namespace geos::operation::overlay 00121 } // namespace geos::operation 00122 } // namespace geos 00123 00124 #endif // ndef GEOS_OP_OVERLAY_OVERLAYRESULTVALIDATOR_H 00125 00126 /********************************************************************** 00127 * $Log$ 00128 **********************************************************************/ 00129