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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