68 lines
1.6 KiB
C
68 lines
1.6 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) 2006 Refractions Research 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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*
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* Last port: operation/relate/RelateNode.java rev. 1.11 (JTS-1.10)
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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 <geos/geomgraph/Node.h> // for inheritance
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// Forward declarations
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namespace geos {
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namespace geom {
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class IntersectionMatrix;
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class Coordinate;
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}
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namespace geomgraph {
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class EdgeEndStar;
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}
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}
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namespace geos {
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namespace operation { // geos::operation
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namespace relate { // geos::operation::relate
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/** \brief
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* Represents a node in the topological graph used to compute spatial
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* relationships.
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*/
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class GEOS_DLL RelateNode final: public geomgraph::Node {
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public:
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RelateNode(const geom::Coordinate& coord, geomgraph::EdgeEndStar* edges);
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~RelateNode() override = default;
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/**
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* Update the IM with the contribution for the EdgeEnds incident on this node.
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*/
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void updateIMFromEdges(geom::IntersectionMatrix& im);
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protected:
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void computeIM(geom::IntersectionMatrix& im) override;
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};
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} // namespace geos:operation:relate
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} // namespace geos:operation
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} // namespace geos
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