C++ MESegment类代码示例

SUMOReal
MSEdge::getCurrentTravelTime(SUMOReal minSpeed) const {
    assert(minSpeed > 0);
    if (!myAmDelayed) {
        return myEmptyTraveltime;
    }
    SUMOReal v = 0;
#ifdef HAVE_INTERNAL
    if (MSGlobals::gUseMesoSim) {
        MESegment* first = MSGlobals::gMesoNet->getSegmentForEdge(*this);
        unsigned segments = 0;
        do {
            v += first->getMeanSpeed();
            first = first->getNextSegment();
            segments++;
        } while (first != 0);
        v /= (SUMOReal) segments;
    } else {
#endif
        for (std::vector<MSLane*>::const_iterator i = myLanes->begin(); i != myLanes->end(); ++i) {
            v += (*i)->getMeanSpeed();
        }
        v /= (SUMOReal) myLanes->size();
#ifdef HAVE_INTERNAL
    }
#endif
    return getLength() / MAX2(minSpeed, v);
}

SUMOReal
MSEdge::getMeanSpeed() const {
    SUMOReal v = 0;
    SUMOReal no = 0;
    if (MSGlobals::gUseMesoSim) {
        for (MESegment* segment = MSGlobals::gMesoNet->getSegmentForEdge(*this); segment != 0; segment = segment->getNextSegment()) {
            const SUMOReal vehNo = (SUMOReal) segment->getCarNumber();
            v += vehNo * segment->getMeanSpeed();
            no += vehNo;
        }
        if (no == 0) {
            return getLength() / myEmptyTraveltime; // may include tls-penalty
        }
    } else {
        for (std::vector<MSLane*>::const_iterator i = myLanes->begin(); i != myLanes->end(); ++i) {
            const SUMOReal vehNo = (SUMOReal)(*i)->getVehicleNumber();
            v += vehNo * (*i)->getMeanSpeed();
            no += vehNo;
        }
        if (no == 0) {
            return getSpeedLimit();
        }
    }
    return v / no;
}

SUMOTime
MSLaneSpeedTrigger::processCommand(bool move2next, SUMOTime currentTime) {
    UNUSED_PARAMETER(currentTime);
    std::vector<MSLane*>::iterator i;
    const SUMOReal speed = getCurrentSpeed();
    for (i = myDestLanes.begin(); i != myDestLanes.end(); ++i) {
#ifdef HAVE_INTERNAL
        if (MSGlobals::gUseMesoSim) {
            MESegment* first = MSGlobals::gMesoNet->getSegmentForEdge((*i)->getEdge());
            while (first != 0) {
                first->setSpeed(speed, currentTime, -1);
                first = first->getNextSegment();
            }
            continue;
        }
#endif
        (*i)->setMaxSpeed(speed);
    }
    if (!move2next) {
        // changed from the gui
        return 0;
    }
    if (myCurrentEntry != myLoadedSpeeds.end()) {
        ++myCurrentEntry;
    }
    if (myCurrentEntry != myLoadedSpeeds.end()) {
        return ((*myCurrentEntry).first) - ((*(myCurrentEntry - 1)).first);
    } else {
        return 0;
    }
}

GUIParameterTableWindow*
GUIEdge::getParameterWindow(GUIMainWindow& app,
                            GUISUMOAbstractView& parent) {
    GUIParameterTableWindow* ret = 0;
#ifdef HAVE_INTERNAL
    ret = new GUIParameterTableWindow(app, *this, 16);
    // add edge items
    ret->mkItem("length [m]", false, (*myLanes)[0]->getLength());
    ret->mkItem("allowed speed [m/s]", false, getAllowedSpeed());
    ret->mkItem("occupancy [%]", true, new FunctionBinding<GUIEdge, SUMOReal>(this, &GUIEdge::getBruttoOccupancy, 100.));
    ret->mkItem("mean vehicle speed [m/s]", true, new FunctionBinding<GUIEdge, SUMOReal>(this, &GUIEdge::getMeanSpeed));
    ret->mkItem("flow [veh/h/lane]", true, new FunctionBinding<GUIEdge, SUMOReal>(this, &GUIEdge::getFlow));
    ret->mkItem("#vehicles", true, new CastingFunctionBinding<GUIEdge, SUMOReal, unsigned int>(this, &GUIEdge::getVehicleNo));
    ret->mkItem("vehicle ids", false, getVehicleIDs());
    // add segment items
    MESegment* segment = getSegmentAtPosition(parent.getPositionInformation());
    ret->mkItem("segment index", false, segment->getIndex());
    ret->mkItem("segment length [m]", false, segment->getLength());
    ret->mkItem("segment allowed speed [m/s]", false, segment->getMaxSpeed());
    ret->mkItem("segment jam threshold [%]", false, segment->getRelativeJamThreshold());
    ret->mkItem("segment occupancy [%]", true, new FunctionBinding<MESegment, SUMOReal>(segment, &MESegment::getRelativeOccupancy));
    ret->mkItem("segment mean vehicle speed [m/s]", true, new FunctionBinding<MESegment, SUMOReal>(segment, &MESegment::getMeanSpeed));
    ret->mkItem("segment flow [veh/h/lane]", true, new FunctionBinding<MESegment, SUMOReal>(segment, &MESegment::getFlow));
    ret->mkItem("segment #vehicles", true, new CastingFunctionBinding<MESegment, SUMOReal, size_t>(segment, &MESegment::getCarNumber));
    ret->mkItem("segment leader leave time", true, new FunctionBinding<MESegment, SUMOReal>(segment, &MESegment::getEventTimeSeconds));

    // close building
    ret->closeBuilding();
#else
    UNUSED_PARAMETER(app);
    UNUSED_PARAMETER(parent);
#endif
    return ret;
}

/* -------------------------------------------------------------------------
 * MSTriggeredRerouter - methods
 * ----------------------------------------------------------------------- */
MSTriggeredRerouter::MSTriggeredRerouter(const std::string &id,
        const std::vector<MSEdge*> &edges,
        SUMOReal prob, const std::string &file, bool off)
        : MSTrigger(id), SUMOSAXHandler(file),
        myProbability(prob), myUserProbability(prob), myAmInUserMode(false) {
    // read in the trigger description
    if (!XMLSubSys::runParser(*this, file)) {
        throw ProcessError();
    }
    // build actors
#ifdef HAVE_MESOSIM
    if (MSGlobals::gUseMesoSim) {
        for (std::vector<MSEdge*>::const_iterator j=edges.begin(); j!=edges.end(); ++j) {
            MESegment *s = MSGlobals::gMesoNet->getSegmentForEdge(**j);
            s->addRerouter(this);
        }
    } else {
#endif
        for (std::vector<MSEdge*>::const_iterator j=edges.begin(); j!=edges.end(); ++j) {
            const std::vector<MSLane*> &destLanes = (*j)->getLanes();
            for (std::vector<MSLane*>::const_iterator i=destLanes.begin(); i!=destLanes.end(); ++i) {
                mySetter.push_back(new Setter(this, (*i)));
            }
        }
#ifdef HAVE_MESOSIM
    }
#endif
    if (off) {
        setUserMode(true);
        setUserUsageProbability(0);
    }
}

// ===========================================================================
// method definitions
// ===========================================================================
MSTriggeredRerouter::MSTriggeredRerouter(const std::string& id,
        const std::vector<MSEdge*>& edges,
        SUMOReal prob, const std::string& file, bool off) :
    MSTrigger(id),
    MSMoveReminder(id),
    SUMOSAXHandler(file),
    myProbability(prob), myUserProbability(prob), myAmInUserMode(false) {
    // read in the trigger description
    if (file != "" && !XMLSubSys::runParser(*this, file)) {
        throw ProcessError();
    }
    // build actors
    for (std::vector<MSEdge*>::const_iterator j = edges.begin(); j != edges.end(); ++j) {
#ifdef HAVE_INTERNAL
        if (MSGlobals::gUseMesoSim) {
            MESegment* s = MSGlobals::gMesoNet->getSegmentForEdge(**j);
            s->addDetector(this);
            continue;
        }
#endif
        const std::vector<MSLane*>& destLanes = (*j)->getLanes();
        for (std::vector<MSLane*>::const_iterator i = destLanes.begin(); i != destLanes.end(); ++i) {
            (*i)->addMoveReminder(this);
        }
    }
    if (off) {
        setUserMode(true);
        setUserUsageProbability(0);
    }
}

unsigned int
GUIEdge::getVehicleNo() const {
    size_t vehNo = 0;
    for (MESegment* segment = MSGlobals::gMesoNet->getSegmentForEdge(*this); segment != 0; segment = segment->getNextSegment()) {
        vehNo += segment->getCarNumber();
    }
    return (unsigned int)vehNo;
}

SUMOReal
GUIEdge::getFlow() const {
    SUMOReal flow = 0;
    for (MESegment* segment = MSGlobals::gMesoNet->getSegmentForEdge(*this); segment != 0; segment = segment->getNextSegment()) {
        flow += (SUMOReal) segment->getCarNumber() * segment->getMeanSpeed();
    }
    return 3600 * flow / (*myLanes)[0]->getLength();
}

MELoop::~MELoop() {
    for (std::vector<MESegment*>::const_iterator j = myEdges2FirstSegments.begin(); j != myEdges2FirstSegments.end(); ++j) {
        for (MESegment* s = *j; s != 0;) {
            MESegment* n = s->getNextSegment();
            delete s;
            s = n;
        }
    }
}

MESegment*
MELoop::getSegmentForEdge(const MSEdge& e, SUMOReal pos) {
    MESegment* s = myEdges2FirstSegments[e.getNumericalID()];
    if (pos > 0) {
        SUMOReal cpos = 0;
        while (s->getNextSegment() != 0 && cpos + s->getLength() < pos) {
            cpos += s->getLength();
            s = s->getNextSegment();
        }
    }
    return s;
}

SUMOReal
GUIEdge::getMeanSpeed() const {
    SUMOReal v = 0;
    SUMOReal no = 0;
    for (MESegment* segment = MSGlobals::gMesoNet->getSegmentForEdge(*this); segment != 0; segment = segment->getNextSegment()) {
        SUMOReal vehNo = (SUMOReal) segment->getCarNumber();
        v += vehNo * segment->getMeanSpeed();
        no += vehNo;
    }
    if (no == 0) {
        return getSpeedLimit();
    }
    return v / no;
}

bool
MSEdge::insertVehicle(SUMOVehicle& v, SUMOTime time) const {
    // when vaporizing, no vehicles are inserted...
    if (isVaporizing()) {
        return false;
    }
#ifdef HAVE_INTERNAL
    if (MSGlobals::gUseMesoSim) {
        const SUMOVehicleParameter& pars = v.getParameter();
        SUMOReal pos = 0.0;
        switch (pars.departPosProcedure) {
            case DEPART_POS_GIVEN:
                if (pars.departPos >= 0.) {
                    pos = pars.departPos;
                } else {
                    pos = pars.departPos + getLength();
                }
                if (pos < 0 || pos > getLength()) {
                    WRITE_WARNING("Invalid departPos " + toString(pos) + " given for vehicle '" +
                                  v.getID() + "'. Inserting at lane end instead.");
                    pos = getLength();
                }
                break;
            case DEPART_POS_RANDOM:
            case DEPART_POS_RANDOM_FREE:
                pos = RandHelper::rand(getLength());
                break;
            default:
                break;
        }
        bool result = false;
        MESegment* segment = MSGlobals::gMesoNet->getSegmentForEdge(*this, pos);
        MEVehicle* veh = static_cast<MEVehicle*>(&v);
        if (pars.departPosProcedure == DEPART_POS_FREE) {
            while (segment != 0 && !result) {
                result = segment->initialise(veh, time);
                segment = segment->getNextSegment();
            }
        } else {
            result = segment->initialise(veh, time);
        }
        return result;
    }
#else
    UNUSED_PARAMETER(time);
#endif
    MSLane* insertionLane = getDepartLane(static_cast<MSVehicle&>(v));
    return insertionLane != 0 && insertionLane->insertVehicle(static_cast<MSVehicle&>(v));
}

void
GUIEdge::drawMesoVehicles(const GUIVisualizationSettings& s) const {
    GUIMEVehicleControl* vehicleControl = GUINet::getGUIInstance()->getGUIMEVehicleControl();
    if (vehicleControl != 0) {
        // draw the meso vehicles
        vehicleControl->secureVehicles();
        AbstractMutex::ScopedLocker locker(myLock);
        size_t laneIndex = 0;
        MESegment::Queue queue;
        for (std::vector<MSLane*>::const_iterator msl = myLanes->begin(); msl != myLanes->end(); ++msl, ++laneIndex) {
            GUILane* l = static_cast<GUILane*>(*msl);
            // go through the vehicles
            SUMOReal segmentOffset = 0; // offset at start of current segment
            for (MESegment* segment = MSGlobals::gMesoNet->getSegmentForEdge(*this);
                    segment != 0; segment = segment->getNextSegment()) {
                const SUMOReal length = segment->getLength();
                if (laneIndex < segment->numQueues()) {
                    // make a copy so we don't have to worry about synchronization
                    queue = segment->getQueue(laneIndex);
                    const size_t queueSize = queue.size();
                    SUMOReal vehiclePosition = segmentOffset + length;
                    // draw vehicles beginning with the leader at the end of the segment
                    SUMOReal xOff = 0;
                    for (size_t i = 0; i < queueSize; ++i) {
                        GUIMEVehicle* veh = static_cast<GUIMEVehicle*>(queue[queueSize - i - 1]);
                        const SUMOReal vehLength = veh->getVehicleType().getLengthWithGap();
                        while (vehiclePosition < segmentOffset) {
                            // if there is only a single queue for a
                            // multi-lane edge shift vehicles and start
                            // drawing again from the end of the segment
                            vehiclePosition += length;
                            xOff += 2;
                        }
                        const Position p = l->geometryPositionAtOffset(vehiclePosition);
                        const SUMOReal angle = l->getShape().rotationAtOffset(l->interpolateLanePosToGeometryPos(vehiclePosition));
                        veh->setPositionAndAngle(p, angle);
                        veh->drawGL(s);
                        vehiclePosition -= vehLength;
                    }
                }
                segmentOffset += length;
            }
            glPopMatrix();
        }
        vehicleControl->releaseVehicles();
    }
}

GUIParameterTableWindow*
GUIEdge::getParameterWindow(GUIMainWindow& app,
                            GUISUMOAbstractView& parent) {
    GUIParameterTableWindow* ret = 0;
    ret = new GUIParameterTableWindow(app, *this, 18);
    // add edge items
    ret->mkItem("length [m]", false, (*myLanes)[0]->getLength());
    ret->mkItem("allowed speed [m/s]", false, getAllowedSpeed());
    ret->mkItem("brutto occupancy [%]", true, new FunctionBinding<GUIEdge, SUMOReal>(this, &GUIEdge::getBruttoOccupancy, 100.));
    ret->mkItem("mean vehicle speed [m/s]", true, new FunctionBinding<GUIEdge, SUMOReal>(this, &GUIEdge::getMeanSpeed));
    ret->mkItem("flow [veh/h/lane]", true, new FunctionBinding<GUIEdge, SUMOReal>(this, &GUIEdge::getFlow));
    ret->mkItem("routing speed [m/s]", true, new FunctionBinding<MSEdge, SUMOReal>(this, &MSEdge::getRoutingSpeed));
    ret->mkItem("#vehicles", true, new CastingFunctionBinding<GUIEdge, SUMOReal, int>(this, &GUIEdge::getVehicleNo));
    ret->mkItem("vehicle ids", false, getVehicleIDs());
    // add segment items
    MESegment* segment = getSegmentAtPosition(parent.getPositionInformation());
    ret->mkItem("segment index", false, segment->getIndex());
    ret->mkItem("segment queues", false, segment->numQueues());
    ret->mkItem("segment length [m]", false, segment->getLength());
    ret->mkItem("segment allowed speed [m/s]", false, segment->getEdge().getSpeedLimit());
    ret->mkItem("segment jam threshold [%]", false, segment->getRelativeJamThreshold() * 100);
    ret->mkItem("segment brutto occupancy [%]", true, new FunctionBinding<MESegment, SUMOReal>(segment, &MESegment::getRelativeOccupancy, 100));
    ret->mkItem("segment mean vehicle speed [m/s]", true, new FunctionBinding<MESegment, SUMOReal>(segment, &MESegment::getMeanSpeed));
    ret->mkItem("segment flow [veh/h/lane]", true, new FunctionBinding<MESegment, SUMOReal>(segment, &MESegment::getFlow));
    ret->mkItem("segment #vehicles", true, new CastingFunctionBinding<MESegment, SUMOReal, int>(segment, &MESegment::getCarNumber));
    ret->mkItem("segment leader leave time", true, new FunctionBinding<MESegment, SUMOReal>(segment, &MESegment::getEventTimeSeconds));
    ret->mkItem("segment headway [s]", true, new FunctionBinding<MESegment, SUMOReal>(segment, &MESegment::getLastHeadwaySeconds));

    // close building
    ret->closeBuilding();
    return ret;
}

// ===========================================================================
// method definitions
// ===========================================================================
MSRouteProbe::MSRouteProbe(const std::string& id, const MSEdge* edge, const std::string& distID, const std::string& lastID) :
    MSDetectorFileOutput(id), MSMoveReminder(id) {
    myCurrentRouteDistribution = std::make_pair(distID, MSRoute::distDictionary(distID));
    if (myCurrentRouteDistribution.second == 0) {
        myCurrentRouteDistribution.second = new RandomDistributor<const MSRoute*>();
        MSRoute::dictionary(distID, myCurrentRouteDistribution.second, false);
    }
    myLastRouteDistribution = std::make_pair(lastID, MSRoute::distDictionary(lastID));
#ifdef HAVE_INTERNAL
    if (MSGlobals::gUseMesoSim) {
        MESegment* seg = MSGlobals::gMesoNet->getSegmentForEdge(*edge);
        while (seg != 0) {
            seg->addDetector(this);
            seg = seg->getNextSegment();
        }
        return;
    }
#endif
    for (std::vector<MSLane*>::const_iterator it = edge->getLanes().begin(); it != edge->getLanes().end(); ++it) {
        (*it)->addMoveReminder(this);
    }
}