OverlayResultValidator.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2006 Refractions Research Inc.
 *
 * This is free software; you can redistribute and/or modify it under
 * the terms of the GNU Lesser General Public Licence as published
 * by the Free Software Foundation. 
 * See the COPYING file for more information.
 *
 ***********************************************************************
 *
 * Last port: operation/overlay/validate/OverlayResultValidator.java rev. 1.4 (JTS-1.10)
 *
 **********************************************************************/
 
#ifndef GEOS_OP_OVERLAY_OVERLAYRESULTVALIDATOR_H
#define GEOS_OP_OVERLAY_OVERLAYRESULTVALIDATOR_H
 
#include <geos/export.h>
#include <geos/operation/overlay/OverlayOp.h> // for OpCode enum
#include <geos/operation/overlay/validate/FuzzyPointLocator.h> // composition
#include <geos/geom/Location.h> // for Location::Value type
 
#include <vector>
 
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
#endif
 
// Forward declarations
namespace geos {
        namespace geom {
                class Geometry;
                class Coordinate;
        }
}
 
namespace geos {
namespace operation { // geos::operation
namespace overlay { // geos::operation::overlay
namespace validate { // geos::operation::overlay::validate

class GEOS_DLL OverlayResultValidator {
 
public:
 
        static bool isValid(
                        const geom::Geometry& geom0,
                        const geom::Geometry& geom1,
                        OverlayOp::OpCode opCode,
                        const geom::Geometry& result);
 
        OverlayResultValidator(
                        const geom::Geometry& geom0,
                        const geom::Geometry& geom1,
                        const geom::Geometry& result);
 
        bool isValid(OverlayOp::OpCode opCode);
 
        geom::Coordinate& getInvalidLocation() {
                return invalidLocation;
        }
 
private:
 
        double boundaryDistanceTolerance;
 
        const geom::Geometry& g0;
 
        const geom::Geometry& g1;
 
        const geom::Geometry& gres;
 
        FuzzyPointLocator fpl0;
 
        FuzzyPointLocator fpl1;
 
        FuzzyPointLocator fplres;
 
        geom::Coordinate invalidLocation;
 
        std::vector<geom::Coordinate> testCoords;
 
        void addTestPts(const geom::Geometry& g);
 
        void addVertices(const geom::Geometry& g);
 
        bool testValid(OverlayOp::OpCode overlayOp);
 
        bool testValid(OverlayOp::OpCode overlayOp, const geom::Coordinate& pt);
 
        bool isValidResult(OverlayOp::OpCode overlayOp,
                        std::vector<geom::Location::Value>& location);
 
        static double computeBoundaryDistanceTolerance(
                const geom::Geometry& g0, const geom::Geometry& g1);
 
    // Declare type as noncopyable
    OverlayResultValidator(const OverlayResultValidator& other);
    OverlayResultValidator& operator=(const OverlayResultValidator& rhs);
};
 
} // namespace geos::operation::overlay::validate
} // namespace geos::operation::overlay
} // namespace geos::operation
} // namespace geos
 
#ifdef _MSC_VER
#pragma warning(pop)
#endif
 
#endif // ndef GEOS_OP_OVERLAY_OVERLAYRESULTVALIDATOR_H