GUITriggeredRerouter.cpp

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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
/****************************************************************************/
// Reroutes vehicles passing an edge (gui version)
/****************************************************************************/
#include <config.h>
 
#include <string>
#include <utils/common/MsgHandler.h>
#include <utils/geom/PositionVector.h>
#include <utils/geom/Boundary.h>
#include <utils/gui/div/GLHelper.h>
#include <utils/common/ToString.h>
#include <utils/common/Command.h>
#include <microsim/MSNet.h>
#include <microsim/MSLane.h>
#include <microsim/MSEdge.h>
#include <microsim/MSRoute.h>
#include <microsim/MSVehicle.h>
#include <guisim/GUINet.h>
#include <guisim/GUIEdge.h>
#include "GUITriggeredRerouter.h"
#include <utils/gui/globjects/GUIGLObjectPopupMenu.h>
#include <utils/gui/windows/GUIAppEnum.h>
#include <gui/GUIGlobals.h>
#include <utils/gui/div/GUIParameterTableWindow.h>
#include <gui/GUIApplicationWindow.h>
#include <microsim/logging/FunctionBinding.h>
#include <utils/gui/div/GUIGlobalSelection.h>
#include <utils/gui/globjects/GLIncludes.h>
#include <utils/gui/globjects/GLIncludes.h>
#include <utils/gui/div/GUIDesigns.h>
 
 
// ===========================================================================
// FOX callback mapping
// ===========================================================================
/* -------------------------------------------------------------------------
 * GUITriggeredRerouter::GUITriggeredRerouterPopupMenu - mapping
 * ----------------------------------------------------------------------- */
FXDEFMAP(GUITriggeredRerouter::GUITriggeredRerouterPopupMenu)
GUITriggeredRerouterPopupMenuMap[] = {
    FXMAPFUNC(SEL_COMMAND,  MID_MANIP,         GUITriggeredRerouter::GUITriggeredRerouterPopupMenu::onCmdOpenManip),
 
};
 
// Object implementation
FXIMPLEMENT(GUITriggeredRerouter::GUITriggeredRerouterPopupMenu, GUIGLObjectPopupMenu, GUITriggeredRerouterPopupMenuMap, ARRAYNUMBER(GUITriggeredRerouterPopupMenuMap))
 
 
/* -------------------------------------------------------------------------
 * GUITriggeredRerouter::GUIManip_TriggeredRerouter - mapping
 * ----------------------------------------------------------------------- */
FXDEFMAP(GUITriggeredRerouter::GUIManip_TriggeredRerouter) GUIManip_TriggeredRerouterMap[] = {
    FXMAPFUNC(SEL_COMMAND,  GUITriggeredRerouter::GUIManip_TriggeredRerouter::MID_USER_DEF, GUITriggeredRerouter::GUIManip_TriggeredRerouter::onCmdUserDef),
    FXMAPFUNC(SEL_UPDATE,   GUITriggeredRerouter::GUIManip_TriggeredRerouter::MID_USER_DEF, GUITriggeredRerouter::GUIManip_TriggeredRerouter::onUpdUserDef),
    FXMAPFUNC(SEL_COMMAND,  GUITriggeredRerouter::GUIManip_TriggeredRerouter::MID_OPTION,   GUITriggeredRerouter::GUIManip_TriggeredRerouter::onCmdChangeOption),
    FXMAPFUNC(SEL_COMMAND,  GUITriggeredRerouter::GUIManip_TriggeredRerouter::MID_SHIFT_PROBS,  GUITriggeredRerouter::GUIManip_TriggeredRerouter::onCmdShiftProbs),
    FXMAPFUNC(SEL_COMMAND,  GUITriggeredRerouter::GUIManip_TriggeredRerouter::MID_CLOSE,    GUITriggeredRerouter::GUIManip_TriggeredRerouter::onCmdClose),
};
 
FXIMPLEMENT(GUITriggeredRerouter::GUIManip_TriggeredRerouter, GUIManipulator, GUIManip_TriggeredRerouterMap, ARRAYNUMBER(GUIManip_TriggeredRerouterMap))
 
 
// ===========================================================================
// method definitions
// ===========================================================================
/* -------------------------------------------------------------------------
 * GUITriggeredRerouter::GUIManip_TriggeredRerouter - methods
 * ----------------------------------------------------------------------- */
GUITriggeredRerouter::GUIManip_TriggeredRerouter::GUIManip_TriggeredRerouter(
    GUIMainWindow& app, const std::string& name, GUITriggeredRerouter& o) :
    GUIManipulator(app, name, 0, 0), myParent(&app),
    myChosenValue(0), myChosenTarget(myChosenValue, nullptr, MID_OPTION),
    myUsageProbability(o.getProbability()), myUsageProbabilityTarget(myUsageProbability),
    myObject(&o) {
    myChosenTarget.setTarget(this);
    FXVerticalFrame* f1 =
        new FXVerticalFrame(this, LAYOUT_FILL_X | LAYOUT_FILL_Y, 0, 0, 0, 0, 0, 0, 0, 0);
 
    FXGroupBox* gp = new FXGroupBox(f1, "Change Trigger Probability",
                                    GROUPBOX_TITLE_LEFT | FRAME_SUNKEN | FRAME_RIDGE,
                                    0, 0, 0, 0,  4, 4, 1, 1, 2, 0);
    {
        // default
        FXHorizontalFrame* gf1 =
            new FXHorizontalFrame(gp, LAYOUT_TOP | LAYOUT_LEFT, 0, 0, 0, 0, 10, 10, 5, 5);
        new FXRadioButton(gf1, "Default", &myChosenTarget, FXDataTarget::ID_OPTION + 0,
                          ICON_BEFORE_TEXT | LAYOUT_SIDE_TOP,
                          0, 0, 0, 0,   2, 2, 0, 0);
    }
    {
        // free
        FXHorizontalFrame* gf12 =
            new FXHorizontalFrame(gp, LAYOUT_TOP | LAYOUT_LEFT, 0, 0, 0, 0, 10, 10, 5, 5);
        new FXRadioButton(gf12, "User Given: ", &myChosenTarget, FXDataTarget::ID_OPTION + 1,
                          ICON_BEFORE_TEXT | LAYOUT_SIDE_TOP | LAYOUT_CENTER_Y,
                          0, 0, 0, 0,   2, 2, 0, 0);
        myUsageProbabilityDial =
            new FXRealSpinner(gf12, 10, this, MID_USER_DEF,
                              LAYOUT_TOP | FRAME_SUNKEN | FRAME_THICK);
        //myUsageProbabilityDial->setFormatString("%.2f");
        //myUsageProbabilityDial->setIncrements(.1, .1, .1);
        myUsageProbabilityDial->setIncrement(.1);
        myUsageProbabilityDial->setRange(0, 1);
        myUsageProbabilityDial->setValue(myObject->getUserProbability());
    }
    {
        // off
        FXHorizontalFrame* gf13 =
            new FXHorizontalFrame(gp, LAYOUT_TOP | LAYOUT_LEFT, 0, 0, 0, 0, 10, 10, 5, 5);
        new FXRadioButton(gf13, "Off", &myChosenTarget, FXDataTarget::ID_OPTION + 2,
                          ICON_BEFORE_TEXT | LAYOUT_SIDE_TOP,
                          0, 0, 0, 0,   2, 2, 0, 0);
    }
    myChosenValue = myObject->inUserMode()
                    ? myObject->getUserProbability() > 0
                    ? 1 : 2
                    : 0;
 
    FXGroupBox* gp2 = new FXGroupBox(f1, "Change Route Probability",
                                     GROUPBOX_TITLE_LEFT | FRAME_SUNKEN | FRAME_RIDGE,
                                     0, 0, 0, 0,  4, 4, 1, 1, 2, 0);
    GUIDesigns::buildFXButton(gp2, "Shift", "", "", nullptr, this, MID_SHIFT_PROBS,
                              BUTTON_INITIAL | BUTTON_DEFAULT | FRAME_RAISED | FRAME_THICK | LAYOUT_TOP | LAYOUT_LEFT | LAYOUT_CENTER_X, 0, 0, 0, 0, 30, 30, 4, 4);
 
    GUIDesigns::buildFXButton(f1, "Close", "", "", nullptr, this, MID_CLOSE,
                              BUTTON_INITIAL | BUTTON_DEFAULT | FRAME_RAISED | FRAME_THICK | LAYOUT_TOP | LAYOUT_LEFT | LAYOUT_CENTER_X, 0, 0, 0, 0, 30, 30, 4, 4);
 
}
 
 
GUITriggeredRerouter::GUIManip_TriggeredRerouter::~GUIManip_TriggeredRerouter() {}
 
 
long
GUITriggeredRerouter::GUIManip_TriggeredRerouter::onCmdClose(FXObject*, FXSelector, void*) {
    destroy();
    return 1;
}
 
 
long
GUITriggeredRerouter::GUIManip_TriggeredRerouter::onCmdUserDef(FXObject*, FXSelector, void*) {
    myUsageProbability = (double)(myUsageProbabilityDial->getValue());
    static_cast<GUITriggeredRerouter*>(myObject)->setUserUsageProbability(myUsageProbability);
    static_cast<GUITriggeredRerouter*>(myObject)->setUserMode(true);
    myParent->updateChildren();
    return 1;
}
 
 
long
GUITriggeredRerouter::GUIManip_TriggeredRerouter::onUpdUserDef(FXObject* sender, FXSelector, void* ptr) {
    sender->handle(this,
                   myChosenValue != 1 ? FXSEL(SEL_COMMAND, ID_DISABLE) : FXSEL(SEL_COMMAND, ID_ENABLE),
                   ptr);
    myParent->updateChildren();
    return 1;
}
 
 
long
GUITriggeredRerouter::GUIManip_TriggeredRerouter::onCmdChangeOption(FXObject*, FXSelector, void*) {
    static_cast<GUITriggeredRerouter*>(myObject)->setUserUsageProbability(myUsageProbability);
    switch (myChosenValue) {
        case 0:
            static_cast<GUITriggeredRerouter*>(myObject)->setUserMode(false);
            break;
        case 1:
            static_cast<GUITriggeredRerouter*>(myObject)->setUserMode(true);
            break;
        case 2:
            static_cast<GUITriggeredRerouter*>(myObject)->setUserUsageProbability(0);
            static_cast<GUITriggeredRerouter*>(myObject)->setUserMode(true);
            break;
        default:
            throw 1;
    }
    myParent->updateChildren();
    return 1;
}
 
long
GUITriggeredRerouter::GUIManip_TriggeredRerouter::onCmdShiftProbs(FXObject*, FXSelector, void*) {
    static_cast<GUITriggeredRerouter*>(myObject)->shiftProbs();
    myParent->updateChildren();
    return 1;
}
 
 
 
/* -------------------------------------------------------------------------
 * GUITriggeredRerouter::GUITriggeredRerouterPopupMenu - methods
 * ----------------------------------------------------------------------- */
GUITriggeredRerouter::GUITriggeredRerouterPopupMenu::GUITriggeredRerouterPopupMenu(
    GUIMainWindow& app, GUISUMOAbstractView& parent,
    GUIGlObject& o)
    : GUIGLObjectPopupMenu(app, parent, o) {}
 
 
GUITriggeredRerouter::GUITriggeredRerouterPopupMenu::~GUITriggeredRerouterPopupMenu() {}
 
 
long
GUITriggeredRerouter::GUITriggeredRerouterPopupMenu::onCmdOpenManip(FXObject*,
        FXSelector,
        void*) {
    static_cast<GUITriggeredRerouter*>(myObject)->openManipulator(
        *myApplication, *myParent);
    return 1;
}
 
// -------------------------------------------------------------------------
// GUITriggeredRerouter - methods
// -------------------------------------------------------------------------
 
GUITriggeredRerouter::GUITriggeredRerouter(const std::string& id, const MSEdgeVector& edges, double prob,
        bool off, bool optional, SUMOTime timeThreshold, const std::string& vTypes, const Position& pos, SUMORTree& rtree) :
    MSTriggeredRerouter(id, edges, prob, off, optional, timeThreshold, vTypes, pos),
    GUIGlObject_AbstractAdd(GLO_REROUTER, id, GUIIconSubSys::getIcon(GUIIcon::REROUTER)),
    myShiftProbDistIndex(0) {
    // add visualisation objects for edges which trigger the rerouter
    for (MSEdgeVector::const_iterator it = edges.begin(); it != edges.end(); ++it) {
        myEdgeVisualizations.push_back(new GUITriggeredRerouterEdge(dynamic_cast<GUIEdge*>(*it), this, REROUTER_TRIGGER_EDGE));
        rtree.addAdditionalGLObject(myEdgeVisualizations.back());
        myBoundary.add(myEdgeVisualizations.back()->getCenteringBoundary());
    }
}
 
 
GUITriggeredRerouter::~GUITriggeredRerouter() {
    for (std::vector<GUITriggeredRerouterEdge*>::iterator it = myEdgeVisualizations.begin(); it != myEdgeVisualizations.end(); ++it) {
        delete *it;
    }
    myEdgeVisualizations.clear();
}
 
 
void
GUITriggeredRerouter::myEndElement(int element) {
    MSTriggeredRerouter::myEndElement(element);
    if (element == SUMO_TAG_INTERVAL) {
        // add visualisation objects for closed edges
        const RerouteInterval& ri = myIntervals.back();
        for (MSEdgeVector::const_iterator it = ri.closed.begin(); it != ri.closed.end(); ++it) {
            myEdgeVisualizations.push_back(new GUITriggeredRerouterEdge(dynamic_cast<GUIEdge*>(*it), this, REROUTER_CLOSED_EDGE));
            dynamic_cast<GUINet*>(GUINet::getInstance())->getVisualisationSpeedUp().addAdditionalGLObject(myEdgeVisualizations.back());
            myBoundary.add(myEdgeVisualizations.back()->getCenteringBoundary());
        }
        // add visualisation objects for switches
        if (ri.routeProbs.getProbs().size() > 1) {
            // find last common edge of all routes
            ConstMSRoutePtr route0 = ri.routeProbs.getVals()[0];
            const MSEdge* lastEdge = nullptr;
            int nextIndex = 0;
            for (int i = 0; i < (int)route0->getEdges().size(); i++) {
                const MSEdge* cand = route0->getEdges()[i];
                for (ConstMSRoutePtr route : ri.routeProbs.getVals()) {
                    const MSEdge* nextEdge = i < (int)route->getEdges().size() ? route->getEdges()[i] : nullptr;
                    if (nextEdge != cand) {
                        cand = nullptr;
                    }
                }
                if (cand != nullptr) {
                    lastEdge = cand;
                } else {
                    nextIndex = i;
                    break;
                }
            }
            if (lastEdge != nullptr) {
                for (int i = 0; i < (int)ri.routeProbs.getVals().size(); i++) {
                    const ConstMSEdgeVector& edges = ri.routeProbs.getVals()[i]->getEdges();
                    if (nextIndex < (int)edges.size()) {
                        GUIEdge* edge = dynamic_cast<GUIEdge*>(const_cast<MSEdge*>(edges[nextIndex]));
                        myEdgeVisualizations.push_back(new GUITriggeredRerouterEdge(edge, this, REROUTER_SWITCH_EDGE, i));
                        dynamic_cast<GUINet*>(GUINet::getInstance())->getVisualisationSpeedUp().addAdditionalGLObject(myEdgeVisualizations.back());
                        myBoundary.add(myEdgeVisualizations.back()->getCenteringBoundary());
                    }
                }
            }
        }
    }
}
 
 
GUIGLObjectPopupMenu*
GUITriggeredRerouter::getPopUpMenu(GUIMainWindow& app,
                                   GUISUMOAbstractView& parent) {
    GUIGLObjectPopupMenu* ret = new GUITriggeredRerouterPopupMenu(app, parent, *this);
    buildPopupHeader(ret, app);
    buildCenterPopupEntry(ret);
    buildShowManipulatorPopupEntry(ret, false);
    buildNameCopyPopupEntry(ret);
    buildSelectionPopupEntry(ret);
    buildPositionCopyEntry(ret, app);
    return ret;
}
 
 
GUIParameterTableWindow*
GUITriggeredRerouter::getParameterWindow(GUIMainWindow&,
        GUISUMOAbstractView&) {
    return nullptr;
}
 
 
void
GUITriggeredRerouter::drawGL(const GUIVisualizationSettings& s) const {
    UNUSED_PARAMETER(s);
}
 
 
Boundary
GUITriggeredRerouter::getCenteringBoundary() const {
    Boundary b(myBoundary);
    b.grow(20);
    return b;
}
 
 
double
GUITriggeredRerouter::getExaggeration(const GUIVisualizationSettings& s) const {
    return s.addSize.getExaggeration(s, this);
}
 
 
GUIManipulator*
GUITriggeredRerouter::openManipulator(GUIMainWindow& app,
                                      GUISUMOAbstractView&) {
    GUIManip_TriggeredRerouter* gui = new GUIManip_TriggeredRerouter(app, getFullName(), *this);
    gui->create();
    gui->show(PLACEMENT_SCREEN);
    return gui;
}
 
 
void
GUITriggeredRerouter::shiftProbs() {
    const RerouteInterval* const ri = getCurrentReroute(MSNet::getInstance()->getCurrentTimeStep());
    if (ri != nullptr && ri->routeProbs.getProbs().size() > 1) {
        auto& rp = const_cast<RandomDistributor<ConstMSRoutePtr>&>(ri->routeProbs);
        myShiftProbDistIndex = myShiftProbDistIndex % rp.getProbs().size();
        double prob = rp.getProbs()[myShiftProbDistIndex];
        rp.add(rp.getVals()[myShiftProbDistIndex], -prob);
        myShiftProbDistIndex = (myShiftProbDistIndex + 1) % rp.getProbs().size();
        rp.add(rp.getVals()[myShiftProbDistIndex], prob);
        // notify vehicles currently on a trigger edge
        for (auto rrEdge : myEdgeVisualizations) {
            if (rrEdge->getRerouterEdgeType() == REROUTER_TRIGGER_EDGE) {
                if (!MSGlobals::gUseMesoSim) {
                    for (MSLane* lane : rrEdge->getEdge()->getLanes()) {
                        for (const MSVehicle* veh : lane->getVehiclesSecure()) {
                            const_cast<MSVehicle*>(veh)->addReminder(this);
                        }
                        lane->releaseVehicles();
                    }
                }
            }
        }
    }
}
 
 
/* -------------------------------------------------------------------------
 * GUITriggeredRerouterEdge - methods
 * ----------------------------------------------------------------------- */
GUITriggeredRerouter::GUITriggeredRerouterEdge::GUITriggeredRerouterEdge(GUIEdge* edge, GUITriggeredRerouter* parent, RerouterEdgeType edgeType, int distIndex) :
    GUIGlObject(GLO_REROUTER_EDGE, parent->getID() + ":" + edge->getID(), GUIIconSubSys::getIcon(GUIIcon::REROUTER)),
    myParent(parent),
    myEdge(edge),
    myEdgeType(edgeType),
    myDistIndex(distIndex) {
    const std::vector<MSLane*>& lanes = edge->getLanes();
    myFGPositions.reserve(lanes.size());
    myFGRotations.reserve(lanes.size());
    for (const MSLane* lane : lanes) {
        if ((lane->getPermissions() & ~SVC_PEDESTRIAN) == 0) {
            continue;
        }
        const PositionVector& v = lane->getShape();
        const double pos = edgeType == REROUTER_TRIGGER_EDGE ? MAX2(0.0, v.length() - 6) : MIN2(v.length(), 3.0);
        myFGPositions.push_back(v.positionAtOffset(pos));
        myFGRotations.push_back(-v.rotationDegreeAtOffset(pos));
        myBoundary.add(myFGPositions.back());
        myHalfWidths.push_back(lane->getWidth() * 0.5 * 0.875);
    }
}
 
 
GUITriggeredRerouter::GUITriggeredRerouterEdge::~GUITriggeredRerouterEdge() {}
 
 
GUIGLObjectPopupMenu*
GUITriggeredRerouter::GUITriggeredRerouterEdge::getPopUpMenu(GUIMainWindow& app,
        GUISUMOAbstractView& parent) {
    return myParent->getPopUpMenu(app, parent);
}
 
 
GUIParameterTableWindow*
GUITriggeredRerouter::GUITriggeredRerouterEdge::getParameterWindow(GUIMainWindow&,
        GUISUMOAbstractView&) {
    return nullptr;
}
 
 
void
GUITriggeredRerouter::GUITriggeredRerouterEdge::drawGL(const GUIVisualizationSettings& s) const {
    const double exaggeration = getExaggeration(s);
    if (s.scale * exaggeration >= 3) {
        GLHelper::pushName(getGlID());
        const double prob = myParent->getProbability();
        if (myEdgeType == REROUTER_CLOSED_EDGE) {
            // draw closing symbol onto all lanes
            const RerouteInterval* const ri =
                myParent->getCurrentReroute(MSNet::getInstance()->getCurrentTimeStep());
            if (ri != nullptr && prob > 0) {
                // draw only if the edge is closed at this time
                if (std::find(ri->closed.begin(), ri->closed.end(), myEdge) != ri->closed.end()) {
                    const int noLanes = (int)myFGPositions.size();
                    for (int j = 0; j < noLanes; ++j) {
                        Position pos = myFGPositions[j];
                        double rot = myFGRotations[j];
                        GLHelper::pushMatrix();
                        glTranslated(pos.x(), pos.y(), 0);
                        glRotated(rot, 0, 0, 1);
                        glTranslated(0, -1.5, 0);
                        int noPoints = 9;
                        if (s.scale > 25) {
                            noPoints = (int)(9.0 + s.scale / 10.0);
                            if (noPoints > 36) {
                                noPoints = 36;
                            }
                        }
                        glTranslated(0, 0, getType());
                        //glScaled(exaggeration, exaggeration, 1);
                        glColor3d(0.7, 0, 0);
                        GLHelper::drawFilledCircle((double) 1.3, noPoints);
                        glTranslated(0, 0, .1);
                        glColor3d(1, 0, 0);
                        GLHelper::drawFilledCircle((double) 1.3, noPoints, 0, prob * 360);
                        glTranslated(0, 0, .1);
                        glColor3d(1, 1, 1);
                        glRotated(-90, 0, 0, 1);
                        glBegin(GL_TRIANGLES);
                        glVertex2d(0 - .3, -1.);
                        glVertex2d(0 - .3, 1.);
                        glVertex2d(0 + .3, 1.);
                        glVertex2d(0 + .3, -1.);
                        glVertex2d(0 - .3, -1.);
                        glVertex2d(0 + .3, 1.);
                        glEnd();
                        GLHelper::popMatrix();
                    }
                }
            }
 
        } else if (myEdgeType == REROUTER_TRIGGER_EDGE) {
            // draw rerouter symbol onto all lanes
            for (int i = 0; i < (int)myFGPositions.size(); ++i) {
                const Position& pos = myFGPositions[i];
                double rot = myFGRotations[i];
                const double w = myHalfWidths[i];
                GLHelper::pushMatrix();
                glTranslated(pos.x(), pos.y(), 0);
                glRotated(rot, 0, 0, 1);
                glTranslated(0, 0, getType());
                glScaled(exaggeration, exaggeration, 1);
                glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
 
                glBegin(GL_TRIANGLES);
                glColor3d(1, .8f, 0);
                // base
                glVertex2d(0 - w, 0);
                glVertex2d(0 - w, 6);
                glVertex2d(0 + w, 6);
                glVertex2d(0 + w, 0);
                glVertex2d(0 - w, 0);
                glVertex2d(0 + w, 6);
                glEnd();
 
                // draw "U"
                GLHelper::drawText("U", Position(0, 2), .1, 3 * (w / 1.4), RGBColor::BLACK, 180);
 
                // draw Probability
                GLHelper::drawText((toString((int)(prob * 100)) + "%").c_str(), Position(0, 4), .1, 0.7, RGBColor::BLACK, 180);
 
                GLHelper::popMatrix();
            }
        } else if (myEdgeType == REROUTER_SWITCH_EDGE) {
            const RerouteInterval* const ri =
                myParent->getCurrentReroute(MSNet::getInstance()->getCurrentTimeStep());
            const double routeProb = ri != nullptr && prob > 0 ?  ri->routeProbs.getProbs()[myDistIndex] / ri->routeProbs.getOverallProb() : 0;
            if (routeProb > 0) {
                for (int i = 0; i < (int)myFGPositions.size(); ++i) {
                    const Position& pos = myFGPositions[i];
                    double rot = myFGRotations[i];
                    const double w = myHalfWidths[i];
                    GLHelper::pushMatrix();
                    glTranslated(pos.x(), pos.y(), 0);
                    glRotated(rot, 0, 0, 1);
                    glTranslated(0, 0, getType());
                    glScaled(exaggeration, exaggeration, 1);
                    glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
 
                    glBegin(GL_TRIANGLES);
                    glColor3d(0, 1, 1);
                    // base
                    glVertex2d(0 - 0.0, 0);
                    glVertex2d(0 - w, 6);
                    glVertex2d(0 + w, 6);
                    glVertex2d(0 + 0.0, 0);
                    glVertex2d(0 + w, 6);
                    glEnd();
 
                    // draw "P"
                    GLHelper::drawText("P", Position(0, 3.5), .1, 2, RGBColor::BLACK, 180);
 
                    // draw Probability for this target edge
                    GLHelper::drawText((toString((int)(routeProb * 100)) + "%").c_str(), Position(0, 5), .1, 0.7, RGBColor::BLACK, 180);
 
                    GLHelper::popMatrix();
                }
            }
        }
        GLHelper::popName();
    }
}
 
 
double
GUITriggeredRerouter::GUITriggeredRerouterEdge::getExaggeration(const GUIVisualizationSettings& s) const {
    return s.addSize.getExaggeration(s, this);
}
 
 
Boundary
GUITriggeredRerouter::GUITriggeredRerouterEdge::getCenteringBoundary() const {
    Boundary b(myBoundary);
    b.grow(20);
    return b;
}
 
 
void
GUITriggeredRerouter::GUITriggeredRerouterEdge::onLeftBtnPress(void* /*data*/) {
    myParent->shiftProbs();
}
 
 
/****************************************************************************/