SnappingIntersectionAdder.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2020 Paul Ramsey <pramsey@cleverelephant.ca>
 *
 * 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.
 *
 **********************************************************************/
 
#pragma once
 
#include <geos/export.h>
 
#include <vector>
 
#include <geos/algorithm/LineIntersector.h> // for composition
#include <geos/geom/Coordinate.h> // for use in vector
#include <geos/geom/PrecisionModel.h> // for inlines (should drop)
#include <geos/noding/SegmentIntersector.h>
 
 
// Forward declarations
namespace geos {
namespace geom {
class PrecisionModel;
}
namespace noding {
class SegmentString;
class NodedSegmentString;
namespace snap {
class SnappingPointIndex;
}
}
}
 
namespace geos {
namespace noding { // geos::noding
namespace snap { // geos::noding::snap
 
class GEOS_DLL SnappingIntersectionAdder: public SegmentIntersector { // implements SegmentIntersector
 
private:
 
    algorithm::LineIntersector li;
    double snapTolerance;
    SnappingPointIndex& snapPointIndex;
 
    void processNearVertex(
        SegmentString* srcSS,
        std::size_t srcIndex,
        const geom::Coordinate& p,
        SegmentString* ss,
        std::size_t segIndex,
        const geom::Coordinate& p0,
        const geom::Coordinate& p1);
 
    static bool isAdjacent(SegmentString* ss0, std::size_t segIndex0, SegmentString* ss1, std::size_t segIndex1);
 
 
public:
 
    SnappingIntersectionAdder(double p_snapTolerance, SnappingPointIndex& p_snapPointIndex);
 
    void processIntersections(SegmentString* e0, std::size_t segIndex0, SegmentString* e1, std::size_t segIndex1) override;
 
    bool isDone() const override { return false; };
 
 
};
 
} // namespace geos::noding::snapround
} // namespace geos::noding
} // namespace geos