Beispiel #1
0
// ------------ Switching and setting current rows
SUMOTime
MSRailCrossing::trySwitch() {
    SUMOTime nextTry = updateCurrentPhase();
    setTrafficLightSignals(MSNet::getInstance()->getCurrentTimeStep());
    //if (getID() == "cluster_1088529493_1260626727") std::cout << " myStep=" << myStep << " nextTry=" << nextTry << "\n";
    return nextTry;
}
Beispiel #2
0
void
MSRailCrossing::init(NLDetectorBuilder&) {
    delete myPhases.front();
    myPhases.clear();
    myPhases.push_back(new MSPhaseDefinition(1, 1, 1, std::string(myLinks.size(), 'G')));
    myPhases.push_back(new MSPhaseDefinition(myYellowTime, myYellowTime, myYellowTime, std::string(myLinks.size(), 'y')));
    myPhases.push_back(new MSPhaseDefinition(1, 1, 1, std::string(myLinks.size(), 'r')));
    // init phases
    updateCurrentPhase();
    setTrafficLightSignals(MSNet::getInstance()->getCurrentTimeStep());
}
Beispiel #3
0
// ----------- Handling of controlled links
void
MSRailCrossing::adaptLinkInformationFrom(const MSTrafficLightLogic& logic) {
    MSTrafficLightLogic::adaptLinkInformationFrom(logic);
    updateCurrentPhase();
}
Beispiel #4
0
void
MSRailSignal::init(NLDetectorBuilder&) {
    assert(myLanes.size() > 0);

    myConflictLanes.resize(myLinks.size());
    myConflictLinks.resize(myLinks.size());
    myRouteConflictLanes.resize(myLinks.size());
    myRouteConflictLinks.resize(myLinks.size());

    myLastRerouteAttempt.resize(myLinks.size(), std::make_pair(nullptr, -1));

    if (OptionsCont::getOptions().isSet("railsignal-block-output")) {
        OutputDevice& od = OutputDevice::getDeviceByOption("railsignal-block-output");
        od.openTag("railSignal");
        od.writeAttr(SUMO_ATTR_ID, getID());
    }

    for (LinkVector& links : myLinks) { //for every link index
        // collect lanes and links that are relevant for setting this signal
        // for each index we collect
        // - conflictLanes (signal must be red if any conflict lane is occupied)
        // - conflictLinks (signal must be red if any conflict link is approached by a vehicle
        //    - that cannot break in time (arrivalSpeedBraking > 0)
        //    - approached by a vehicle with higher switching priority (see #3941)
        //
        // forwardBlock
        // - search forward recursive from outgoing lane until controlled railSignal link found
        //   -> add all found lanes
        //
        // bidiBlock (if any forwardBlock edge edge has bidi edge)
        // - search bidi backward recursive until first switch
        //   - from switch search backward recursive all other incoming until controlled rail signal link
        //     -> add final links
        //
        // backwardBlock
        // - search backward recursive from incoming lanes (not bidi for current outgoing lane)
        //   until controlled railSignal link found
        //   -> add all found lanes
        //   -> add final links
        //
        // conditionalBlocks
        // - for each conflict link (always signalized) that enters from a
        // bidirectional track
        //   - search bidi backward recursive until first switch that is
        //   accessible from the bidi-direction
        //     - from switch search bidi backward recursive until controlled rail signal link
        //       -> add all found lanes
        //       -> add final links

        std::vector<MSLink*> conflictLinks;
        LaneSet visited;

        std::vector<MSLane*> forwardBlock;
        std::vector<MSLane*> bidiBlock;
        std::vector<MSLane*> backwardBlock;

        // there should be only one link per index for railSignal
        if (links.size() > 1) {
            throw ProcessError("At railSignal '" + getID() + "' found " + toString(links.size())
                               + " links controlled by index " + toString(links[0]->getTLIndex()));
        }
        for (MSLink* link : links) {
            MSLane* toLane = link->getViaLaneOrLane();   //the lane this link is leading to
            MSLane* fromBidi = link->getLaneBefore()->getBidiLane();
            if (fromBidi != nullptr) {
                // do not extend to forward block beyond the entering track (in case of a loop)
                visited.insert(fromBidi);
            }

            collectForwardBlock(toLane, 0., forwardBlock, visited);
#ifdef DEBUG_FORWARD_BLOCK
            if (DEBUG_COND) {
                std::cout << "railSignal=" << getID() << " index=" << link->getTLIndex() << " forwardBlock=" << toString(forwardBlock) << "\n";
            }
#endif

            for (MSLane* forward : forwardBlock) {
                if (forward->getEdge().getBidiEdge() != nullptr) {
                    MSLane* bidi = forward->getBidiLane();
                    for (MSLink* bidiOutLink : bidi->getLinkCont()) {
                        if (bidiOutLink->getViaLane() != nullptr) {
                            bidiBlock.push_back(bidiOutLink->getViaLane());
                        }
                    }
                    collectBidiBlock(bidi, 0., false, bidiBlock, visited);
                    // assume bidirectional patches are continuous
                    break;
                }
            }
#ifdef DEBUG_BIDI_BLOCK
            if (DEBUG_COND) {
                std::cout << "railSignal=" << getID() << " index=" << link->getTLIndex() << " bidiBlock=" << toString(bidiBlock) << "\n";
            }
#endif

            // compute conflict links
            for (MSLane* cl : forwardBlock) {
                collectConflictLinks(cl, 0, backwardBlock, conflictLinks, visited, true);
            }
            for (MSLane* cl : bidiBlock) {
                collectConflictLinks(cl, 0, backwardBlock, conflictLinks, visited, false);
            }

            auto thisLinkIt = std::find(conflictLinks.begin(), conflictLinks.end(), link);
            if (thisLinkIt != conflictLinks.end()) {
                conflictLinks.erase(thisLinkIt);
            } else {
                WRITE_WARNING("At railSignal junction '" + getID() + "' link " + toString(link->getTLIndex()) + " with direction " + toString(link->getDirection()) + " should be uncontrolled");
            }

#ifdef DEBUG_BACKWARD_BLOCK
            if (DEBUG_COND) {
                std::cout << "railSignal=" << getID() << " index=" << link->getTLIndex() << " backwardBlock=" << toString(backwardBlock);
                std::cout << "railSignal=" << getID() << " index=" << link->getTLIndex() << " conflictLinks=";
                for (MSLink* cl : conflictLinks) {
                    std::cout << toString(cl->getViaLaneOrLane()->getID()) << " ";
                }
                std::cout << "\n";
            }
#endif

            // compute conditional conflict lanes and links
            for (MSLink* cl : conflictLinks) {
                std::vector<MSLane*> routeConflictLanes;
                std::vector<MSLink*> routeConflictLinks;
                MSLane* in = const_cast<MSLane*>(cl->getLaneBefore());
                LaneSet rCVisited = visited;
                // only collect if
                // 1) the in-edge is bidirectional
                // 2) the foe has no alternative track before reach meeting the end of the forwardBlock
                // 3) the forward block has no alternative track between the end of the forward block and the conflict link
                if (in->getEdge().getBidiEdge() != nullptr
                        && !hasAlternativeTrack(cl)
                        && !hasAlternativeTrackBetween(forwardBlock, cl)) {
                    collectBidiBlock(in, 0., false, routeConflictLanes, rCVisited);
                    std::vector<MSLane*> rCBackwardBlock;
                    for (MSLane* rCLane : routeConflictLanes) {
                        collectConflictLinks(rCLane, 0, rCBackwardBlock, routeConflictLinks, rCVisited);
                    }
                }
                myRouteConflictLanes[link->getTLIndex()].push_back(routeConflictLanes);
                myRouteConflictLinks[link->getTLIndex()].push_back(routeConflictLinks);
            }


            if (OptionsCont::getOptions().isSet("railsignal-block-output")) {
                OutputDevice& od = OutputDevice::getDeviceByOption("railsignal-block-output");
                od.openTag("link");
                od.writeAttr(SUMO_ATTR_TLLINKINDEX, link->getTLIndex());
                od.writeAttr(SUMO_ATTR_FROM, link->getLaneBefore()->getID());
                od.writeAttr(SUMO_ATTR_TO, link->getViaLaneOrLane()->getID());

                od.openTag("forwardBlock");
                od.writeAttr(SUMO_ATTR_LANES, toString(forwardBlock));
                od.closeTag();
                od.openTag("bidiBlock");
                od.writeAttr(SUMO_ATTR_LANES, toString(bidiBlock));
                od.closeTag();
                od.openTag("backwardBlock");
                od.writeAttr(SUMO_ATTR_LANES, toString(backwardBlock));
                od.closeTag();
                od.openTag("conflictLinks");
                std::vector<std::string> conflictLinkIDs; // railSignalID_tlIndex
                for (MSLink* cl : conflictLinks) {
                    conflictLinkIDs.push_back(getTLLinkID(cl));
                }
                od.writeAttr("logicIndex", toString(conflictLinkIDs));
                for (int i = 0; i < (int)conflictLinks.size(); i++) {
                    const std::vector<MSLane*>& rCLanes = myRouteConflictLanes[link->getTLIndex()][i];
                    const std::vector<MSLink*>& rCLinks = myRouteConflictLinks[link->getTLIndex()][i];
                    if (rCLanes.size() > 0 || rCLinks.size() > 0) {
                        od.openTag("conflictLink");
                        od.writeAttr("logicIndex", getTLLinkID(conflictLinks[i]));
                        if (rCLanes.size() > 0) {
                            od.writeAttr("lanes", toString(rCLanes));
                        }
                        if (rCLinks.size() > 0) {
                            std::vector<std::string> rCLinkIDs;
                            for (MSLink* rcl : rCLinks) {
                                rCLinkIDs.push_back(getTLLinkID(rcl));
                            }
                            od.writeAttr("links", toString(rCLinkIDs));
                        }
                        od.closeTag();
                    }
                }
                od.closeTag(); // conflictLinks
                od.closeTag(); // link
            }

            std::vector<MSLane*> conflictLanes;
            conflictLanes.insert(conflictLanes.end(), forwardBlock.begin(), forwardBlock.end());
            conflictLanes.insert(conflictLanes.end(), bidiBlock.begin(), bidiBlock.end());
            conflictLanes.insert(conflictLanes.end(), backwardBlock.begin(), backwardBlock.end());
            myConflictLanes[link->getTLIndex()] = conflictLanes;
            myConflictLinks[link->getTLIndex()] = conflictLinks;
        }
    }
    if (OptionsCont::getOptions().isSet("railsignal-block-output")) {
        OutputDevice& od = OutputDevice::getDeviceByOption("railsignal-block-output");
        od.closeTag();
    }

    updateCurrentPhase();   //check if this is necessary or if will be done already at another stage
    setTrafficLightSignals(MSNet::getInstance()->getCurrentTimeStep());
}
Beispiel #5
0
// ------------ Switching and setting current rows
SUMOTime
MSRailSignal::trySwitch() {
    updateCurrentPhase();
    setTrafficLightSignals(MSNet::getInstance()->getCurrentTimeStep());
    return DELTA_T;
}