NIVissimConnectionCluster.h

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// -------------------
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// SUMO, Simulation of Urban MObility; see http://sumo.sourceforge.net/
// Copyright 2001-2010 DLR (http://www.dlr.de/) and contributors
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//
//   This program is free software; you can redistribute it and/or modify
//   it under the terms of the GNU General Public License as published by
//   the Free Software Foundation; either version 2 of the License, or
//   (at your option) any later version.
//
/****************************************************************************/
#ifndef NIVissimConnectionCluster_h
#define NIVissimConnectionCluster_h


// ===========================================================================
// included modules
// ===========================================================================
#ifdef _MSC_VER
#include <windows_config.h>
#else
#include <config.h>
#endif


#include <iostream>
#include <vector>
#include <utils/geom/Position2D.h>
#include <utils/geom/Boundary.h>
#include <utils/common/VectorHelper.h>
#include "NIVissimConnection.h"


// ===========================================================================
// class declarations
// ===========================================================================
class NBNode;
class NIVissimEdge;


// ===========================================================================
// class definitions
// ===========================================================================
class NIVissimConnectionCluster {
public:
    NIVissimConnectionCluster(const IntVector &connections, int nodeCluster,
                              int edgeid);

    NIVissimConnectionCluster(const IntVector &connections,
                              const Boundary &boundary, int nodeCluster, const IntVector &edges);

    ~NIVissimConnectionCluster();

    bool overlapsWith(NIVissimConnectionCluster *c, SUMOReal offset=0) const;

    bool hasNodeCluster() const;

    NBNode *getNBNode() const;

    bool around(const Position2D &p, SUMOReal offset=0) const;

    SUMOReal getPositionForEdge(int edgeid) const;

    friend class NIVissimEdge; // !!! debug

    const IntVector &getConnections() const {
        return myConnections;
    }

    Position2DVector getIncomingContinuationGeometry(NIVissimEdge *e) const;
    Position2DVector getOutgoingContinuationGeometry(NIVissimEdge *e) const;
    NIVissimConnection *getIncomingContinuation(NIVissimEdge *e) const;
    NIVissimConnection *getOutgoingContinuation(NIVissimEdge *e) const;


public:
    static void joinBySameEdges(SUMOReal offset);

    static void joinByDisturbances(SUMOReal offset);

    static void buildNodeClusters();

    static void searchForConnection(int id);

    static void _debugOut(std::ostream &into);

    static size_t dictSize();


    static int getNextFreeNodeID();

    static void clearDict();

private:
    class NodeSubCluster {
    public:
        NodeSubCluster(NIVissimConnection *c);
        ~NodeSubCluster();
        void add(NIVissimConnection *c);
        void add(const NodeSubCluster &c);
        size_t size() const;
        bool overlapsWith(const NodeSubCluster &c, SUMOReal offset=0);
        IntVector getConnectionIDs() const;
        friend class NIVissimConnectionCluster;
    public:
        Boundary myBoundary;
        typedef std::vector<NIVissimConnection*> ConnectionCont;
        ConnectionCont myConnections;
    };

    class same_direction_sorter {
    private:
        SUMOReal myAngle;

    public:
        explicit same_direction_sorter(SUMOReal angle)
                : myAngle(angle) { }

    public:
        int operator()(NIVissimConnection *c1, NIVissimConnection *c2) const {
            return
                fabs(c1->getGeometry().beginEndAngle()-myAngle)
                <
                fabs(c2->getGeometry().beginEndAngle()-myAngle);
        }
    };



private:
    void add(NIVissimConnectionCluster *c);

    void removeConnections(const NodeSubCluster &c);

    void recomputeBoundary();

    void recheckEdges();

    bool joinable(NIVissimConnectionCluster *c2, SUMOReal offset);


    IntVector getDisturbanceParticipators();

    IntVector extendByToTreatAsSame(const IntVector &iv1,
                                    const IntVector &iv2) const;

    bool isWeakDistrictConnRealisation(NIVissimConnectionCluster *c2);

    bool liesOnSameEdgesEnd(NIVissimConnectionCluster *cc2);



private:
    IntVector myConnections;

    Boundary myBoundary;

    int myNodeCluster;

    // The edge which holds the cluster
    IntVector myEdges;

    IntVector myNodes;

    IntVector myTLs;

    IntVector myOutgoingEdges, myIncomingEdges;

private:
    typedef std::vector<NIVissimConnectionCluster*> ContType;
    static ContType myClusters;
    static int myFirstFreeID;
    static int myStaticBlaID;
    int myBlaID;
};


#endif

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