NBNodeShapeComputer.h

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/****************************************************************************/
// Eclipse SUMO, Simulation of Urban MObility; see https://eclipse.dev/sumo
// Copyright (C) 2001-2024 German Aerospace Center (DLR) and others.
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License 2.0 which is available at
// https://www.eclipse.org/legal/epl-2.0/
// This Source Code may also be made available under the following Secondary
// Licenses when the conditions for such availability set forth in the Eclipse
// Public License 2.0 are satisfied: GNU General Public License, version 2
// or later which is available at
// https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html
// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
/****************************************************************************/
// This class computes shapes of junctions
/****************************************************************************/
#pragma once
#include <config.h>
 
#include <utils/geom/PositionVector.h>
 
 
// ===========================================================================
// class definitions
// ===========================================================================
class NBNode;
class NBEdge;
 
 
// ===========================================================================
// class declarations
// ===========================================================================
class NBNodeShapeComputer {
public:
    NBNodeShapeComputer(const NBNode& node);
 
    ~NBNodeShapeComputer();
 
    const PositionVector compute(bool forceSmall);
 
    double getRadius() const {
        return myRadius;
    }
 
private:
    typedef std::map<NBEdge*, PositionVector> GeomsMap;
 
    const PositionVector computeNodeShapeDefault(bool simpleContinuation);
 
    const PositionVector computeNodeShapeSmall();
 
    void computeEdgeBoundaries(const EdgeVector& edges,
                               GeomsMap& geomsCCW,
                               GeomsMap& geomsCW);
 
    void joinSameDirectionEdges(const EdgeVector& edges, std::map<NBEdge*, std::set<NBEdge*> >& same, bool useEndpoints);
 
    EdgeVector computeUniqueDirectionList(
        const EdgeVector& all,
        std::map<NBEdge*, std::set<NBEdge*> >& same,
        GeomsMap& geomsCCW,
        GeomsMap& geomsCW);
 
    PositionVector getSmoothCorner(PositionVector begShape, PositionVector endShape,
                                   const Position& begPoint, const Position& endPoint, int cornerDetail);
 
    static void initNeighbors(const EdgeVector& edges, const EdgeVector::const_iterator& current,
                              GeomsMap& geomsCW,
                              GeomsMap& geomsCCW,
                              EdgeVector::const_iterator& cwi,
                              EdgeVector::const_iterator& ccwi,
                              double& cad,
                              double& ccad);
 
    bool badIntersection(const NBEdge* e1, const NBEdge* e2, double distance);
 
    double closestIntersection(const PositionVector& geom1, const PositionVector& geom2, double offset);
 
    bool needsLargeTurn(NBEdge* e1, NBEdge* e2,
                        std::map<NBEdge*, std::set<NBEdge*> >& same) const;
 
    double getDefaultRadius(const OptionsCont& oc);
 
    void computeSameEnd(PositionVector& l1, PositionVector& l2);
 
    bool isDivided(const NBEdge* e, std::set<NBEdge*> same, const PositionVector& ccw, const PositionVector& cw) const;
 
    static double getExtraWidth(const NBEdge* e, SVCPermissions exclude);
 
    static double divisionWidth(const NBEdge* e, std::set<NBEdge*> same, const Position& p, const Position& p2);
 
private:
    const NBNode& myNode;
 
    double myRadius;
 
    double EXT;
 
    static const SVCPermissions SVC_LARGE_TURN;
 
private:
    NBNodeShapeComputer& operator=(const NBNodeShapeComputer& s);
 
};