Exemple #1
0
void
MELoop::checkCar(MEVehicle* veh) {
    const SUMOTime leaveTime = veh->getEventTime();
    MESegment* const onSegment = veh->getSegment();
    MESegment* const toSegment = nextSegment(onSegment, veh);
    const bool teleporting = (onSegment == 0); // is the vehicle currently teleporting?
    if (changeSegment(veh, leaveTime, toSegment, teleporting)) {
        return;
    }
    if (MSGlobals::gTimeToGridlock > 0 && veh->getWaitingTime() > MSGlobals::gTimeToGridlock && !veh->isStopped()) {
        teleportVehicle(veh, toSegment);
        return;
    }
    if (veh->getBlockTime() == SUMOTime_MAX) {
        veh->setBlockTime(leaveTime);
    }
    if (leaveTime < toSegment->getEntryBlockTime()) {
        // receiving segment has recently received another vehicle
        veh->setEventTime(toSegment->getEntryBlockTime());
    } else if (toSegment->hasSpaceFor(veh, leaveTime) && !veh->mayProceed()) {
        // either the junction is blocked or the traffic light is red
        veh->setEventTime(leaveTime + MAX2(SUMOTime(1), myLinkRecheckInterval));
    } else {
        SUMOTime newEventTime = MAX3(toSegment->getEventTime() + 1, leaveTime + 1, leaveTime + myFullRecheckInterval);
        if (MSGlobals::gTimeToGridlock > 0) {
            // if teleporting is enabled, make sure we look at the vehicle when the the gridlock-time is up
            newEventTime = MIN2(newEventTime, veh->getBlockTime() + MSGlobals::gTimeToGridlock + 1);
        }
        veh->setEventTime(newEventTime);
    }
    addLeaderCar(veh, onSegment->getLink(veh));
}
Exemple #2
0
SUMOTime
MESegment::newArrival(const MEVehicle* const v, SUMOReal newSpeed, SUMOTime currentTime) {
    // since speed is only an upper bound pos may be to optimistic
    const SUMOReal pos = MIN2(myLength, STEPS2TIME(currentTime - v->getLastEntryTime()) * v->getSpeed());
    // traveltime may not be 0
    return currentTime + MAX2(TIME2STEPS((myLength - pos) / newSpeed), SUMOTime(1));
}
// ------------ "actuated" algorithm methods
SUMOTime
MSActuatedTrafficLightLogic::duration(const double detectionGap) const {
    assert(getCurrentPhaseDef().isGreenPhase());
    assert((int)myPhases.size() > myStep);
    const SUMOTime actDuration = MSNet::getInstance()->getCurrentTimeStep() - myPhases[myStep]->myLastSwitch;
    // ensure that minimum duration is kept
    SUMOTime newDuration = getCurrentPhaseDef().minDuration - actDuration;
    // try to let the last detected vehicle pass the intersection (duration must be positive)
    newDuration = MAX3(newDuration, TIME2STEPS(myDetectorGap - detectionGap), SUMOTime(1));
    // cut the decimal places to ensure that phases always have integer duration
    if (newDuration % 1000 != 0) {
        const SUMOTime totalDur = newDuration + actDuration;
        newDuration = (totalDur / 1000 + 1) * 1000 - actDuration;
    }
    // ensure that the maximum duration is not exceeded
    newDuration = MIN2(newDuration, getCurrentPhaseDef().maxDuration - actDuration);
    return newDuration;
}
void
MSCalibrator::MSCalibrator_FileTriggeredChild::myStartElement(SumoXMLTag element,
        const SUMOSAXAttributes &attrs) throw(ProcessError) {
    if (element==SUMO_TAG_ROUTEDISTELEM) {
        bool ok = true;
        SUMOReal freq = attrs.getSUMORealReporting(SUMO_ATTR_PROB, "calibrator/routedistelem", myParent.getID().c_str(), ok);
        std::string routeStr = attrs.getStringReporting(SUMO_ATTR_ID, "calibrator/routedistelem", myParent.getID().c_str(), ok);
        if (ok) {
            const MSRoute* route = MSRoute::dictionary(routeStr);
            if (route == 0) {
                throw ProcessError("MSTriggeredSource " + myParent.getID() + ": Route '" + routeStr + "' does not exist.");
            }
            if (freq<0) {
                throw ProcessError("MSTriggeredSource " + myParent.getID() + ": Attribute \"probability\" is negative (must not).");
            }
            // Attributes ok, add to routeDist
            myRouteDist.add(freq, route);
        }
        return;
    }
    // vehicle-type distributions
    if (element==SUMO_TAG_VTYPEDISTELEM) {
        // get the id, report an error if not given or empty...
        std::string id;
        if (!attrs.setIDFromAttributes("vtypedistelem", id)) {
            return;
        }
        bool ok = true;
        SUMOReal prob = attrs.getSUMORealReporting(SUMO_ATTR_PROB, "vtypedistelem", id.c_str(), ok);
        if (ok) {
            if (prob<=0) {
                MsgHandler::getErrorInstance()->inform("False probability while parsing calibrator '" + myParent.getID() + "' (" + toString(prob) + ").");
                return;
            }
            MSVehicleType *vtype = MSNet::getInstance()->getVehicleControl().getVType(id);
            if (vtype==0) {
                MsgHandler::getErrorInstance()->inform("Unknown vtype-object '" + id + "'.");
                return;
            }
            myVTypeDist.add(prob, vtype);
        }
    }

    if (element==SUMO_TAG_FLOW) {
        bool ok = true;
        SUMOReal no = attrs.getSUMORealReporting(SUMO_ATTR_NO, "flow", myParent.getID().c_str(), ok);
        if (no<0) {
            MsgHandler::getErrorInstance()->inform("Negative flow in calibrator '" + myParent.getID() + "'.");
            return;
        }
        SUMOTime end = attrs.getOptSUMOTimeReporting(SUMO_ATTR_END, "flow", myParent.getID().c_str(), ok, -1);
        if (!ok) {
            return;
        }
        myFlow = (SUMOReal) no;
        if (end==-1||end>=MSNet::getInstance()->getCurrentTimeStep()) {
            if (myFlow>0) {
                buildAndScheduleFlowVehicle();
                MSNet::getInstance()->getEmissionEvents().addEvent(
                    new WrappingCommand<MSCalibrator::MSCalibrator_FileTriggeredChild>(this, &MSCalibrator::MSCalibrator_FileTriggeredChild::execute),
                    (SUMOTime)(1. / (myFlow / 3600.))+MSNet::getInstance()->getCurrentTimeStep(),
                    MSEventControl::ADAPT_AFTER_EXECUTION);
                myHaveInitialisedFlow = true;
            }
        }
    }

    // check whethe the correct tag is read
    if (element==SUMO_TAG_EMIT) {
        bool ok = true;
        SUMOTime depart = attrs.getSUMOTimeReporting(SUMO_ATTR_TIME, "emit", 0, ok);
        SUMOReal departSpeed = attrs.getOptSUMORealReporting(SUMO_ATTR_SPEED, "emit", myParent.getID().c_str(), ok, -1);
        if (!ok) {
            return;
        }
        if (depart<myBeginTime) {
            // do not process the vehicle if the emission time is before the simulation begin
            return;
        }

        SUMOVehicleParameter* pars = new SUMOVehicleParameter();
        pars->repetitionNumber = -1;
        pars->repetitionOffset = -1;
        pars->depart = depart;
        pars->departSpeed = departSpeed;
        // check and assign id
        pars->id = attrs.getStringSecure(SUMO_ATTR_ID, "");
        if (myVehicleControl.getVehicle(pars->id)!=0) {
            WRITE_WARNING("MSTriggeredSource " + myParent.getID()+ ": Vehicle " + pars->id + " already exists.\n Generating a default id.");
            pars->id = "";
        }
        if (pars->id=="") {
            pars->id = myParent.getID() +  "_" + toString(pars->depart) +  "_" + toString(myRunningID++);
            if (myVehicleControl.getVehicle(pars->id)!=0) {
                WRITE_WARNING("MSTriggeredSource " + myParent.getID()+ ": Vehicle " + pars->id + " already exists.\n Continuing with next element.");
                return;
            }
        }
        // check and assign vehicle type
        pars->vtypeid = attrs.getStringReporting(SUMO_ATTR_TYPE, "calibrator/routedistelem", myParent.getID().c_str(), ok, "");
        MSVehicleType* aVehType = MSNet::getInstance()->getVehicleControl().getVType(pars->vtypeid);
        if (aVehType == 0) {
            if (myVTypeDist.getOverallProb()!=0) {
                aVehType = myVTypeDist.get();
            }
            if (aVehType==0) {
                aVehType = MSNet::getInstance()->getVehicleControl().getVType();
                if (aVehType==0) {
                    WRITE_WARNING("MSTriggeredSource " + myParent.getID()+ ": no valid vehicle type exists.\n Continuing with next element.");
                    return;
                }
            }
        }
        // check and assign vehicle type
        pars->routeid = attrs.getStringReporting(SUMO_ATTR_ROUTE, "calibrator/routedistelem", myParent.getID().c_str(), ok, "");
        const MSRoute *aEmitRoute = MSRoute::dictionary(pars->routeid);
        if (aEmitRoute==0) {
            if (myRouteDist.getOverallProb()!=0) {
                aEmitRoute = myRouteDist.get();
            }
            if (aEmitRoute==0) {
                WRITE_WARNING("MSTriggeredSource " + myParent.getID()+ ": no valid route exsists.");
                WRITE_WARNING("Continuing with next element.");
                return;
            }
        }
        // build vehicle
        MSVehicle *veh = MSNet::getInstance()->getVehicleControl().buildVehicle(pars, aEmitRoute, aVehType);
        myParent.schedule(this, veh, pars->departSpeed);
        myHaveNext = true;
        myOffset = SUMOTime(pars->depart);
    }
    // check whethe the correct tag is read
    if (element==SUMO_TAG_RESET) {
        myVTypeDist.clear();
        myRouteDist.clear();
    }
#if 0
#ifdef TM_CALIB
    if (element==SUMO_TAG_CALIB) {

        WRITE_WARNING("FOUND calib Tag!!!");
        /*
        		  MSNet::getInstance()->getEmissionEvents().addEvent(
                            new WrappingCommand<MSCalibrator::MSCalibrator_FileTriggeredChild>(this, &MSCalibrator::MSCalibrator_FileTriggeredChild::execute2),
                            //MSNet::getInstance()->getCurrentTimeStep() + 5,
        					10,
                            MSEventControl::ADAPT_AFTER_EXECUTION);
        */

    }
#endif //TM_CALIB
#endif //0
}