geomgraph/PlanarGraph.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2005-2006 Refractions Research Inc.
 * Copyright (C) 2001-2002 Vivid Solutions 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.
 *
 **********************************************************************
 *
 * Last port: geomgraph/PlanarGraph.java r428 (JTS-1.12+)
 *
 **********************************************************************/
 
 
#pragma once
 
#include <geos/export.h>
#include <map>
#include <vector>
#include <memory>
 
#include <geos/geom/Coordinate.h>
#include <geos/geomgraph/PlanarGraph.h>
#include <geos/geomgraph/NodeMap.h> // for typedefs
#include <geos/geomgraph/DirectedEdgeStar.h> // for inlines
 
// Forward declarations
namespace geos {
namespace geom {
class Coordinate;
}
namespace geomgraph {
class Edge;
class Node;
class EdgeEnd;
class NodeFactory;
}
}
 
namespace geos {
namespace geomgraph { // geos.geomgraph
 
class GEOS_DLL PlanarGraph {
public:
 
    template <typename It>
    static void
    linkResultDirectedEdges(It first, It last)
    // throw(TopologyException);
    {
        for(; first != last; ++first) {
            Node* node = *first;
            assert(node);
 
            EdgeEndStar* ees = node->getEdges();
            assert(ees);
            DirectedEdgeStar* des = dynamic_cast<DirectedEdgeStar*>(ees);
            assert(des);
 
            // this might throw an exception
            des->linkResultDirectedEdges();
        }
    }
 
    PlanarGraph(const NodeFactory& nodeFact);
 
    PlanarGraph();
 
    virtual ~PlanarGraph();
 
    virtual std::vector<Edge*>::iterator getEdgeIterator();
 
    virtual std::vector<EdgeEnd*>* getEdgeEnds();
 
    virtual bool isBoundaryNode(uint8_t geomIndex, const geom::Coordinate& coord);
 
    virtual void add(EdgeEnd* e);
 
    virtual NodeMap::iterator getNodeIterator();
 
    virtual void getNodes(std::vector<Node*>&);
 
    virtual Node* addNode(Node* node);
 
    virtual Node* addNode(const geom::Coordinate& coord);
 
    virtual Node* find(geom::Coordinate& coord);
 
    virtual void addEdges(const std::vector<Edge*>& edgesToAdd);
 
    virtual void linkResultDirectedEdges();
 
    virtual void linkAllDirectedEdges();
 
    virtual EdgeEnd* findEdgeEnd(Edge* e);
 
    virtual Edge* findEdge(const geom::Coordinate& p0,
                           const geom::Coordinate& p1);
 
    virtual Edge* findEdgeInSameDirection(const geom::Coordinate& p0,
                                          const geom::Coordinate& p1);
 
    virtual std::string printEdges();
 
    virtual NodeMap* getNodeMap();
 
protected:
 
    std::vector<Edge*>* edges;
 
    NodeMap* nodes;
 
    std::vector<EdgeEnd*>* edgeEndList;
 
    virtual void insertEdge(Edge* e);
 
private:
 
    bool matchInSameDirection(const geom::Coordinate& p0,
                              const geom::Coordinate& p1,
                              const geom::Coordinate& ep0,
                              const geom::Coordinate& ep1);
 
    PlanarGraph(const PlanarGraph&) = delete;
    PlanarGraph& operator=(const PlanarGraph&) = delete;
};
 
 
 
} // namespace geos.geomgraph
} // namespace geos