65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
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/**********************************************************************
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*
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* GEOS - Geometry Engine Open Source
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* http://geos.osgeo.org
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*
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* Copyright (C) 2005-2006 Refractions Research Inc.
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* Copyright (C) 2001-2002 Vivid Solutions Inc.
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*
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* This is free software; you can redistribute and/or modify it under
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* the terms of the GNU Lesser General Public Licence as published
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* by the Free Software Foundation.
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* See the COPYING file for more information.
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*
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**********************************************************************/
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#pragma once
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#include <geos/export.h>
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#include <vector>
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#include <geos/geomgraph/index/EdgeSetIntersector.h> // for inheritance
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// Forward declarations
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namespace geos {
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namespace geomgraph {
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class Edge;
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namespace index {
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class SegmentIntersector;
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}
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}
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}
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namespace geos {
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namespace geomgraph { // geos::geomgraph
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namespace index { // geos::geomgraph::index
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/// \brief Finds all intersections in one or two sets of edges, using the
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/// straightforward method of comparing all segments.
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///
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/// \note This algorithm is too slow for production use, but is useful for
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/// testing purposes.
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class GEOS_DLL SimpleEdgeSetIntersector: public EdgeSetIntersector {
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public:
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SimpleEdgeSetIntersector();
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void computeIntersections(std::vector<Edge*>* edges,
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SegmentIntersector* si, bool testAllSegments) override;
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void computeIntersections(std::vector<Edge*>* edges0,
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std::vector<Edge*>* edges1, SegmentIntersector* si) override;
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private:
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int nOverlaps;
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void computeIntersects(Edge* e0, Edge* e1, SegmentIntersector* si);
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};
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} // namespace geos.geomgraph.index
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} // namespace geos.geomgraph
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} // namespace geos
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