92 lines
2.3 KiB
C
92 lines
2.3 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) 2011 Sandro Santilli <strk@kbt.io>
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* Copyright (C) 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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*
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* Last port: operation/linemerge/LineMergeGraph.java r378 (JTS-1.12)
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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/planargraph/PlanarGraph.h> // for inheritance
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#include <vector>
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#ifdef _MSC_VER
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#pragma warning(push)
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#pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
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#endif
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// Forward declarations
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namespace geos {
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namespace geom {
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class LineString;
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class Coordinate;
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}
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namespace planargraph {
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class Node;
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class Edge;
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class DirectedEdge;
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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 linemerge { // geos::operation::linemerge
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/** \brief
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* A planar graph of edges that is analyzed to sew the edges together.
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*
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* The <code>marked</code> flag on planargraph::Edge
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* and planargraph::Node indicates whether they have been
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* logically deleted from the graph.
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*/
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class GEOS_DLL LineMergeGraph: public planargraph::PlanarGraph {
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private:
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planargraph::Node* getNode(const geom::Coordinate& coordinate);
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std::vector<planargraph::Node*> newNodes;
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std::vector<planargraph::Edge*> newEdges;
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std::vector<planargraph::DirectedEdge*> newDirEdges;
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public:
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/** \brief
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* Adds an Edge, DirectedEdges, and Nodes for the given
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* LineString representation of an edge.
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*
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* Empty lines or lines with all coordinates equal are not added.
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*
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* @param lineString the linestring to add to the graph
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*/
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void addEdge(const geom::LineString* lineString);
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~LineMergeGraph() override;
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};
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} // namespace geos::operation::linemerge
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} // namespace geos::operation
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} // namespace geos
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#ifdef _MSC_VER
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#pragma warning(pop)
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#endif
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