void
NBTrafficLightDefinition::collectAllLinks() {
    myControlledLinks.clear();
    int tlIndex = 0;
    // build the list of links which are controled by the traffic light
    for (EdgeVector::iterator i = myIncomingEdges.begin(); i != myIncomingEdges.end(); i++) {
        NBEdge* incoming = *i;
        unsigned int noLanes = incoming->getNumLanes();
        for (unsigned int j = 0; j < noLanes; j++) {
            std::vector<NBEdge::Connection> connected = incoming->getConnectionsFromLane(j);
            for (std::vector<NBEdge::Connection>::iterator k = connected.begin(); k != connected.end(); k++) {
                const NBEdge::Connection& el = *k;
                if (incoming->mayBeTLSControlled(el.fromLane, el.toEdge, el.toLane)) {
                    if (el.toEdge != 0 && el.toLane >= (int) el.toEdge->getNumLanes()) {
                        throw ProcessError("Connection '" + incoming->getID() + "_" + toString(j) + "->" + el.toEdge->getID() + "_" + toString(el.toLane) + "' yields in a not existing lane.");
                    }
                    if (incoming->getToNode()->getType() != NODETYPE_RAIL_CROSSING || !isRailway(incoming->getPermissions())) {
                        myControlledLinks.push_back(NBConnection(incoming, el.fromLane, el.toEdge, el.toLane, tlIndex++));
                    } else {
                        myControlledLinks.push_back(NBConnection(incoming, el.fromLane, el.toEdge, el.toLane, -1));
                    }
                }
            }
        }
    }
}
std::set<NBEdge*>
NBTrafficLightDefinition::collectReachable(EdgeVector outer, const EdgeVector& within, bool checkControlled) {
    std::set<NBEdge*> reachable;
    while (outer.size() > 0) {
        NBEdge* from = outer.back();
        outer.pop_back();
        std::vector<NBEdge::Connection>& cons = from->getConnections();
        for (std::vector<NBEdge::Connection>::iterator k = cons.begin(); k != cons.end(); k++) {
            NBEdge* to = (*k).toEdge;
            if (reachable.count(to) == 0 &&
                    (find(within.begin(), within.end(), to) != within.end()) &&
                    (!checkControlled || from->mayBeTLSControlled((*k).fromLane, to, (*k).toLane))) {
                reachable.insert(to);
                outer.push_back(to);
            }
        }
    }
    return reachable;
}
Ejemplo n.º 3
0
void
NBOwnTLDef::collectLinks() throw(ProcessError) {
    // build the list of links which are controled by the traffic light
    for (EdgeVector::iterator i=myIncomingEdges.begin(); i!=myIncomingEdges.end(); i++) {
        NBEdge *incoming = *i;
        unsigned int noLanes = incoming->getNoLanes();
        for (unsigned int j=0; j<noLanes; j++) {
            std::vector<NBEdge::Connection> connected = incoming->getConnectionsFromLane(j);
            for (std::vector<NBEdge::Connection>::iterator k=connected.begin(); k!=connected.end(); k++) {
                const NBEdge::Connection &el = *k;
                if (incoming->mayBeTLSControlled(el.fromLane, el.toEdge, el.toLane)) {
                    if (el.toEdge!=0&&el.toLane>=(int) el.toEdge->getNoLanes()) {
                        throw ProcessError("Connection '" + incoming->getID() + "_" + toString(j) + "->" + el.toEdge->getID() + "_" + toString(el.toLane) + "' yields in a not existing lane.");
                    }
                    myControlledLinks.push_back(NBConnection(incoming, j, el.toEdge, el.toLane));
                }
            }
        }
    }
}
Ejemplo n.º 4
0
NBTrafficLightLogic*
NBOwnTLDef::myCompute(const NBEdgeCont&,
                      unsigned int brakingTimeSeconds) {
    const SUMOTime brakingTime = TIME2STEPS(brakingTimeSeconds);
    const SUMOTime leftTurnTime = TIME2STEPS(6); // make configurable ?
    // build complete lists first
    const EdgeVector& incoming = getIncomingEdges();
    EdgeVector fromEdges, toEdges;
    std::vector<bool> isLeftMoverV, isTurnaround;
    unsigned int noLanesAll = 0;
    unsigned int noLinksAll = 0;
    for (unsigned int i1 = 0; i1 < incoming.size(); i1++) {
        unsigned int noLanes = incoming[i1]->getNumLanes();
        noLanesAll += noLanes;
        for (unsigned int i2 = 0; i2 < noLanes; i2++) {
            NBEdge* fromEdge = incoming[i1];
            std::vector<NBEdge::Connection> approached = fromEdge->getConnectionsFromLane(i2);
            noLinksAll += (unsigned int) approached.size();
            for (unsigned int i3 = 0; i3 < approached.size(); i3++) {
                if (!fromEdge->mayBeTLSControlled(i2, approached[i3].toEdge, approached[i3].toLane)) {
                    --noLinksAll;
                    continue;
                }
                assert(i3 < approached.size());
                NBEdge* toEdge = approached[i3].toEdge;
                fromEdges.push_back(fromEdge);
                //myFromLanes.push_back(i2);
                toEdges.push_back(toEdge);
                if (toEdge != 0) {
                    isLeftMoverV.push_back(
                        isLeftMover(fromEdge, toEdge)
                        ||
                        fromEdge->isTurningDirectionAt(fromEdge->getToNode(), toEdge));

                    isTurnaround.push_back(
                        fromEdge->isTurningDirectionAt(
                            fromEdge->getToNode(), toEdge));
                } else {
                    isLeftMoverV.push_back(true);
                    isTurnaround.push_back(true);
                }
            }
        }
    }

    NBTrafficLightLogic* logic = new NBTrafficLightLogic(getID(), getProgramID(), noLinksAll, myOffset, myType);
    EdgeVector toProc = incoming;
    const SUMOTime greenTime = TIME2STEPS(OptionsCont::getOptions().getInt("tls.green.time"));
    // build all phases
    while (toProc.size() > 0) {
        std::pair<NBEdge*, NBEdge*> chosen;
        if (incoming.size() == 2) {
            chosen = std::pair<NBEdge*, NBEdge*>(toProc[0], static_cast<NBEdge*>(0));
            toProc.erase(toProc.begin());
        } else {
            chosen = getBestPair(toProc);
        }
        unsigned int pos = 0;
        std::string state((size_t) noLinksAll, 'o');
        // plain straight movers
        for (unsigned int i1 = 0; i1 < (unsigned int) incoming.size(); ++i1) {
            NBEdge* fromEdge = incoming[i1];
            const bool inChosen = fromEdge == chosen.first || fromEdge == chosen.second; //chosen.find(fromEdge)!=chosen.end();
            const unsigned int numLanes = fromEdge->getNumLanes();
            for (unsigned int i2 = 0; i2 < numLanes; i2++) {
                std::vector<NBEdge::Connection> approached = fromEdge->getConnectionsFromLane(i2);
                for (unsigned int i3 = 0; i3 < approached.size(); ++i3) {
                    if (!fromEdge->mayBeTLSControlled(i2, approached[i3].toEdge, approached[i3].toLane)) {
                        continue;
                    }
                    if (inChosen) {
                        state[pos] = 'G';
                    } else {
                        state[pos] = 'r';
                    }
                    ++pos;
                }
            }
        }
        // correct behaviour for those that are not in chosen, but may drive, though
        for (unsigned int i1 = 0; i1 < pos; ++i1) {
            if (state[i1] == 'G') {
                continue;
            }
            bool isForbidden = false;
            for (unsigned int i2 = 0; i2 < pos && !isForbidden; ++i2) {
                if (state[i2] == 'G' && !isTurnaround[i2] &&
                        (forbids(fromEdges[i2], toEdges[i2], fromEdges[i1], toEdges[i1], true) || forbids(fromEdges[i1], toEdges[i1], fromEdges[i2], toEdges[i2], true))) {
                    isForbidden = true;
                }
            }
            if (!isForbidden) {
                state[i1] = 'G';
            }
        }
        // correct behaviour for those that have to wait (mainly left-mover)
        bool haveForbiddenLeftMover = false;
        for (unsigned int i1 = 0; i1 < pos; ++i1) {
            if (state[i1] != 'G') {
                continue;
            }
            for (unsigned int i2 = 0; i2 < pos; ++i2) {
                if ((state[i2] == 'G' || state[i2] == 'g') && forbids(fromEdges[i2], toEdges[i2], fromEdges[i1], toEdges[i1], true)) {
                    state[i1] = 'g';
                    if (!isTurnaround[i1]) {
                        haveForbiddenLeftMover = true;
                    }
                }
            }
        }
        // add step
        logic->addStep(greenTime, state);

        if (brakingTime > 0) {
            // build yellow (straight)
            for (unsigned int i1 = 0; i1 < pos; ++i1) {
                if (state[i1] != 'G' && state[i1] != 'g') {
                    continue;
                }
                if ((state[i1] >= 'a' && state[i1] <= 'z') && haveForbiddenLeftMover) {
                    continue;
                }
                state[i1] = 'y';
            }
            // add step
            logic->addStep(brakingTime, state);
        }

        if (haveForbiddenLeftMover && !myHaveSinglePhase) {
            // build left green
            for (unsigned int i1 = 0; i1 < pos; ++i1) {
                if (state[i1] == 'Y' || state[i1] == 'y') {
                    state[i1] = 'r';
                    continue;
                }
                if (state[i1] == 'g') {
                    state[i1] = 'G';
                }
            }
            // add step
            logic->addStep(leftTurnTime, state);

            // build left yellow
            if (brakingTime > 0) {
                for (unsigned int i1 = 0; i1 < pos; ++i1) {
                    if (state[i1] != 'G' && state[i1] != 'g') {
                        continue;
                    }
                    state[i1] = 'y';
                }
                // add step
                logic->addStep(brakingTime, state);
            }
        }
    }
    const SUMOTime totalDuration = logic->getDuration();
    if (totalDuration > 0) {
        if (totalDuration > 3 * (greenTime + 2 * brakingTime + leftTurnTime)) {
            WRITE_WARNING("The traffic light '" + getID() + "' has a high cycle time of " + time2string(totalDuration) + ".");
        }
        return logic;
    } else {
        delete logic;
        return 0;
    }
}
Ejemplo n.º 5
0
NBTrafficLightLogic *
NBOwnTLDef::myCompute(const NBEdgeCont &,
                      unsigned int brakingTime) throw() {
    // build complete lists first
    const EdgeVector &incoming = getIncomingEdges();
    std::vector<NBEdge*> fromEdges, toEdges;
    std::vector<bool> isLeftMoverV, isTurnaround;
    unsigned int noLanesAll = 0;
    unsigned int noLinksAll = 0;
    for (unsigned int i1=0; i1<incoming.size(); i1++) {
        unsigned int noLanes = incoming[i1]->getNoLanes();
        noLanesAll += noLanes;
        for (unsigned int i2=0; i2<noLanes; i2++) {
            NBEdge *fromEdge = incoming[i1];
            std::vector<NBEdge::Connection> approached = fromEdge->getConnectionsFromLane(i2);
            noLinksAll += (unsigned int) approached.size();
            for (unsigned int i3=0; i3<approached.size(); i3++) {
                if (!fromEdge->mayBeTLSControlled(i2, approached[i3].toEdge, approached[i3].toLane)) {
                    --noLinksAll;
                    continue;
                }
                assert(i3<approached.size());
                NBEdge *toEdge = approached[i3].toEdge;
                fromEdges.push_back(fromEdge);
                //myFromLanes.push_back(i2);
                toEdges.push_back(toEdge);
                if (toEdge!=0) {
                    isLeftMoverV.push_back(
                        isLeftMover(fromEdge, toEdge)
                        ||
                        fromEdge->isTurningDirectionAt(fromEdge->getToNode(), toEdge));

                    isTurnaround.push_back(
                        fromEdge->isTurningDirectionAt(
                            fromEdge->getToNode(), toEdge));
                } else {
                    isLeftMoverV.push_back(true);
                    isTurnaround.push_back(true);
                }
            }
        }
    }

    NBTrafficLightLogic *logic = new NBTrafficLightLogic(getID(), "0", noLinksAll);
    std::vector<NBEdge*> toProc = incoming;
    // build all phases
    while (toProc.size()>0) {
        std::pair<NBEdge*, NBEdge*> chosen;
        if (incoming.size()==2) {
            chosen = std::pair<NBEdge*, NBEdge*>(toProc[0], static_cast<NBEdge*>(0));
            toProc.erase(toProc.begin());
        } else {
            chosen = getBestPair(toProc);
        }
        unsigned int pos = 0;
        unsigned int duration = 31;
        if (OptionsCont::getOptions().isSet("traffic-light-green")) {
            duration = OptionsCont::getOptions().getInt("traffic-light-green");
        }
        std::string state((size_t) noLinksAll, 'o');
        // plain straight movers
        for (unsigned int i1=0; i1<(unsigned int) incoming.size(); ++i1) {
            NBEdge *fromEdge = incoming[i1];
            bool inChosen = fromEdge==chosen.first||fromEdge==chosen.second;//chosen.find(fromEdge)!=chosen.end();
            unsigned int noLanes = fromEdge->getNoLanes();
            for (unsigned int i2=0; i2<noLanes; i2++) {
                std::vector<NBEdge::Connection> approached = fromEdge->getConnectionsFromLane(i2);
                for (unsigned int i3=0; i3<approached.size(); ++i3) {
                    if (!fromEdge->mayBeTLSControlled(i2, approached[i3].toEdge, approached[i3].toLane)) {
                        continue;
                    }
                    if (inChosen) {
                        state[pos] = 'G';
                    } else {
                        state[pos] = 'r';
                    }
                    ++pos;
                }
            }
        }
        // correct behaviour for those that are not in chosen, but may drive, though
        for (unsigned int i1=0; i1<pos; ++i1) {
            if (state[i1]=='G') {
                continue;
            }
            bool isForbidden = false;
            for (unsigned int i2=0; i2<pos&&!isForbidden; ++i2) {
                if (state[i2]=='G'&&!isTurnaround[i2]&&
                        (forbids(fromEdges[i2], toEdges[i2], fromEdges[i1], toEdges[i1], true)||forbids(fromEdges[i1], toEdges[i1], fromEdges[i2], toEdges[i2], true))) {
                    isForbidden = true;
                }
            }
            if (!isForbidden) {
                state[i1] = 'G';
            }
        }
        // correct behaviour for those that have to wait (mainly left-mover)
        bool haveForbiddenLeftMover = false;
        for (unsigned int i1=0; i1<pos; ++i1) {
            if (state[i1]!='G') {
                continue;
            }
            for (unsigned int i2=0; i2<pos; ++i2) {
                if ((state[i2]=='G'||state[i2]=='g')&&forbids(fromEdges[i2], toEdges[i2], fromEdges[i1], toEdges[i1], true)) {
                    state[i1] = 'g';
                    if (!isTurnaround[i1]) {
                        haveForbiddenLeftMover = true;
                    }
                }
            }
        }

        // add step
        logic->addStep(duration, state);

        if (brakingTime>0) {
            // build yellow (straight)
            duration = brakingTime;
            for (unsigned int i1=0; i1<pos; ++i1) {
                if (state[i1]!='G'&&state[i1]!='g') {
                    continue;
                }
                if ((state[i1]>='a'&&state[i1]<='z')&&haveForbiddenLeftMover) {
                    continue;
                }
                state[i1] = 'y';
            }
            // add step
            logic->addStep(duration, state);
        }

        if (haveForbiddenLeftMover) {
            // build left green
            duration = 6;
            for (unsigned int i1=0; i1<pos; ++i1) {
                if (state[i1]=='Y'||state[i1]=='y') {
                    state[i1] = 'r';
                    continue;
                }
                if (state[i1]=='g') {
                    state[i1] = 'G';
                }
            }
            // add step
            logic->addStep(duration, state);

            // build left yellow
            if (brakingTime>0) {
                duration = brakingTime;
                for (unsigned int i1=0; i1<pos; ++i1) {
                    if (state[i1]!='G'&&state[i1]!='g') {
                        continue;
                    }
                    state[i1] = 'y';
                }
                // add step
                logic->addStep(duration, state);
            }
        }
    }
    if (logic->getDuration()>0) {
        return logic;
    } else {
        delete logic;
        return 0;
    }

}