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OverlayResultValidator.h

00001 /**********************************************************************
00002  * $Id: OverlayResultValidator.h 3255 2011-03-01 17:56:10Z 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/export.h>
00024 #include <geos/operation/overlay/OverlayOp.h> // for OpCode enum
00025 #include <geos/operation/overlay/validate/FuzzyPointLocator.h> // composition
00026 #include <geos/geom/Location.h> // for Location::Value type
00027 
00028 #include <vector>
00029 
00030 #ifdef _MSC_VER
00031 #pragma warning(push)
00032 #pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
00033 #endif
00034 
00035 // Forward declarations
00036 namespace geos {
00037         namespace geom {
00038                 class Geometry;
00039                 class Coordinate;
00040         }
00041 }
00042 
00043 namespace geos {
00044 namespace operation { // geos::operation
00045 namespace overlay { // geos::operation::overlay
00046 namespace validate { // geos::operation::overlay::validate
00047 
00065 class GEOS_DLL OverlayResultValidator {
00066 
00067 public:
00068 
00069         static bool isValid(
00070                         const geom::Geometry& geom0,
00071                         const geom::Geometry& geom1,
00072                         OverlayOp::OpCode opCode,
00073                         const geom::Geometry& result);
00074 
00075         OverlayResultValidator(
00076                         const geom::Geometry& geom0,
00077                         const geom::Geometry& geom1,
00078                         const geom::Geometry& result);
00079 
00080         bool isValid(OverlayOp::OpCode opCode);
00081 
00082         geom::Coordinate& getInvalidLocation() {
00083                 return invalidLocation;
00084         }
00085 
00086 private:
00087 
00088         double boundaryDistanceTolerance;
00089 
00090         const geom::Geometry& g0;
00091 
00092         const geom::Geometry& g1;
00093 
00094         const geom::Geometry& gres;
00095 
00096         FuzzyPointLocator fpl0;
00097 
00098         FuzzyPointLocator fpl1;
00099 
00100         FuzzyPointLocator fplres;
00101 
00102         geom::Coordinate invalidLocation;
00103 
00104         std::vector<geom::Coordinate> testCoords;
00105 
00106         void addTestPts(const geom::Geometry& g);
00107 
00108         void addVertices(const geom::Geometry& g);
00109 
00110         bool testValid(OverlayOp::OpCode overlayOp);
00111 
00112         bool testValid(OverlayOp::OpCode overlayOp, const geom::Coordinate& pt);
00113 
00114         bool isValidResult(OverlayOp::OpCode overlayOp,
00115                         std::vector<geom::Location::Value>& location);
00116 
00117         static double computeBoundaryDistanceTolerance(
00118                 const geom::Geometry& g0, const geom::Geometry& g1);
00119 
00120     // Declare type as noncopyable
00121     OverlayResultValidator(const OverlayResultValidator& other);
00122     OverlayResultValidator& operator=(const OverlayResultValidator& rhs);
00123 };
00124 
00125 } // namespace geos::operation::overlay::validate
00126 } // namespace geos::operation::overlay
00127 } // namespace geos::operation
00128 } // namespace geos
00129 
00130 #ifdef _MSC_VER
00131 #pragma warning(pop)
00132 #endif
00133 
00134 #endif // ndef GEOS_OP_OVERLAY_OVERLAYRESULTVALIDATOR_H
00135 
00136 /**********************************************************************
00137  * $Log$
00138  **********************************************************************/
00139 

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