NodingValidator.h

/**********************************************************************
 * $Id: NodingValidator.h 2556 2009-06-06 22:22:28Z strk $
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.refractions.net
 *
 * 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.
 *
 **********************************************************************/

#ifndef GEOS_NODING_NODINGVALIDATOR_H
#define GEOS_NODING_NODINGVALIDATOR_H

#include <geos/export.h>

#include <vector>
#include <iostream>

#include <geos/inline.h>

#include <geos/algorithm/LineIntersector.h>
//#include <geos/geom/Coordinate.h>

// Forward declarations
namespace geos {
        namespace geom {
                class Coordinate;
        }
        namespace noding {
                class SegmentString;
        }
}

namespace geos {
namespace noding { // geos.noding

class GEOS_DLL NodingValidator {
private:
        algorithm::LineIntersector li;
        const std::vector<SegmentString*>& segStrings;

        void checkCollapses() const;

        void checkCollapses(const SegmentString& ss) const;

        void checkCollapse(const geom::Coordinate& p0, const geom::Coordinate& p1,
                        const geom::Coordinate& p2) const;

        void checkInteriorIntersections();

        void checkInteriorIntersections(const SegmentString& ss0,
                        const SegmentString& ss1);

        void checkInteriorIntersections(
                        const SegmentString& e0, unsigned int segIndex0,
                        const SegmentString& e1, unsigned int segIndex1);

        void checkEndPtVertexIntersections() const;

        void checkEndPtVertexIntersections(const geom::Coordinate& testPt,
                        const std::vector<SegmentString*>& segStrings) const;

        bool hasInteriorIntersection(const algorithm::LineIntersector& aLi,
                        const geom::Coordinate& p0, const geom::Coordinate& p1) const;

public:

        NodingValidator(const std::vector<SegmentString*>& newSegStrings):
                segStrings(newSegStrings)
        {}

        ~NodingValidator() {}

        void checkValid();

};


} // namespace geos.noding
} // namespace geos

//#ifdef GEOS_INLINE
//# include "geos/noding/NodingValidator.inl"
//#endif

#endif // GEOS_NODING_NODINGVALIDATOR_H

/**********************************************************************
 * $Log$
 * Revision 1.2  2006/03/24 09:52:41  strk
 * USE_INLINE => GEOS_INLINE
 *
 * Revision 1.1  2006/03/09 16:46:49  strk
 * geos::geom namespace definition, first pass at headers split
 *
 **********************************************************************/

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