NonPlanarCore.h

Go to the documentation of this file.

/*
 * $Revision: 2299 $
 * 
 * last checkin:
 *   $Author: gutwenger $ 
 *   $Date: 2012-05-07 15:57:08 +0200 (Mon, 07 May 2012) $ 
 ***************************************************************/
 
#ifdef _MSC_VER
#pragma once
#endif


#ifndef OGDF_NON_PLANAR_CORE_H
#define OGDF_NON_PLANAR_CORE_H


#include <ogdf/basic/Graph.h>
#include <ogdf/basic/NodeArray.h>
#include <ogdf/basic/EdgeArray.h>


namespace ogdf {

    class OGDF_EXPORT SPQRTree;
    class OGDF_EXPORT Skeleton;


//---------------------------------------------------------
// NonPlanarCore
//---------------------------------------------------------
class OGDF_EXPORT NonPlanarCore
{
public:
    NonPlanarCore(const Graph &G);

    const Graph &core() const { return m_graph; }
    const Graph &originalGraph() const { return *m_pOriginal; }

    node original(node v) const { return m_orig[v]; }

    bool isVirtual(edge e) const { return m_real[e] == 0; }
    edge realEdge(edge e) const { return m_real[e]; }

    const EdgeArray<int> &cost() const { return m_cost; }
    int cost(edge e) const { return m_cost[e]; }
    const List<edge> &mincut(edge e) const { return m_mincut[e]; }

protected:
    void markCore(const SPQRTree &T, NodeArray<bool> &mark);
    void traversingPath(Skeleton &S, edge eS, List<edge> &path, NodeArray<node> &mapV);

    Graph m_graph;
    const Graph *m_pOriginal;

    NodeArray<node> m_orig;  // corresp. original node
    EdgeArray<edge> m_real;  // corresp. original edge (0 if virtual)
    EdgeArray<List<edge> > m_mincut;  // traversing path for an edge in the core
    EdgeArray<int> m_cost;
}; // class NonPlanarCore


} // end namespace ogdf


#endif