NBNodeShapeComputer.h

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/****************************************************************************/
// This class computes shapes of junctions
/****************************************************************************/
// SUMO, Simulation of Urban MObility; see http://sumo.sourceforge.net/
// Copyright (C) 2001-2011 DLR (http://www.dlr.de/) and contributors
/****************************************************************************/
//
//   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 NBNodeShapeComputer_h
#define NBNodeShapeComputer_h


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

#include <utils/geom/PositionVector.h>


// ===========================================================================
// class definitions
// ===========================================================================
class NBNode;
class NBEdge;


// ===========================================================================
// class declarations
// ===========================================================================
class NBNodeShapeComputer {
public:
    NBNodeShapeComputer(const NBNode& node);

    ~NBNodeShapeComputer();

    PositionVector compute(bool leftHand);

private:
    PositionVector computeContinuationNodeShape(bool simpleContinuation);

    PositionVector computeNodeShapeByCrosses();


    void replaceLastChecking(PositionVector& g, bool decenter,
                             PositionVector counter, size_t counterLanes, SUMOReal counterDist,
                             int laneDiff);


    void replaceFirstChecking(PositionVector& g, bool decenter,
                              PositionVector counter, size_t counterLanes, SUMOReal counterDist,
                              int laneDiff);

    void joinSameDirectionEdges(std::map<NBEdge*, EdgeVector > &same,
                                std::map<NBEdge*, PositionVector> &geomsCCW,
                                std::map<NBEdge*, PositionVector> &geomsCW);

    EdgeVector computeUniqueDirectionList(
        const std::map<NBEdge*, EdgeVector > &same,
        std::map<NBEdge*, PositionVector> &geomsCCW,
        std::map<NBEdge*, PositionVector> &geomsCW,
        std::map<NBEdge*, NBEdge*> &ccwBoundary,
        std::map<NBEdge*, NBEdge*> &cwBoundary);


private:
    const NBNode& myNode;

};


#endif

/****************************************************************************/