Beispiel #1
0
void
RODFNet::buildDetectorEdgeDependencies(RODFDetectorCon& detcont) const {
    myDetectorsOnEdges.clear();
    myDetectorEdges.clear();
    const std::vector<RODFDetector*>& dets = detcont.getDetectors();
    for (std::vector<RODFDetector*>::const_iterator i = dets.begin(); i != dets.end(); ++i) {
        ROEdge* e = getDetectorEdge(**i);
        myDetectorsOnEdges[e].push_back((*i)->getID());
        myDetectorEdges[(*i)->getID()] = e;
    }
}
Beispiel #2
0
void
RODFNet::revalidateFlows(const RODFDetectorCon& detectors,
                         RODFDetectorFlows& flows,
                         SUMOTime startTime, SUMOTime endTime,
                         SUMOTime stepOffset) {
    const std::vector<RODFDetector*>& dets = detectors.getDetectors();
    for (std::vector<RODFDetector*>::const_iterator i = dets.begin(); i != dets.end(); ++i) {
        // check whether there is at least one entry with a flow larger than zero
        revalidateFlows(*i, flows, startTime, endTime, stepOffset);
    }
}
Beispiel #3
0
void
RODFNet::reportEmptyDetectors(RODFDetectorCon& detectors,
                              RODFDetectorFlows& flows) {
    const std::vector<RODFDetector*>& dets = detectors.getDetectors();
    for (std::vector<RODFDetector*>::const_iterator i = dets.begin(); i != dets.end(); ++i) {
        bool remove = true;
        // check whether there is at least one entry with a flow larger than zero
        if (flows.knows((*i)->getID())) {
            remove = false;
        }
        if (remove) {
            WRITE_MESSAGE("Detector '" + (*i)->getID() + "' has no flow.");
        }
    }
}
Beispiel #4
0
void
RODFNet::removeEmptyDetectors(RODFDetectorCon& detectors,
                              RODFDetectorFlows& flows) {
    const std::vector<RODFDetector*>& dets = detectors.getDetectors();
    for (std::vector<RODFDetector*>::const_iterator i = dets.begin(); i != dets.end();) {
        bool remove = true;
        // check whether there is at least one entry with a flow larger than zero
        if (flows.knows((*i)->getID())) {
            remove = false;
        }
        if (remove) {
            WRITE_MESSAGE("Removed detector '" + (*i)->getID() + "' because no flows for him exist.");
            flows.removeFlow((*i)->getID());
            detectors.removeDetector((*i)->getID());
            i = dets.begin();
        } else {
            i++;
        }
    }
}
Beispiel #5
0
void
RODFNet::computeTypes(RODFDetectorCon& detcont,
                      bool sourcesStrict) const {
    PROGRESS_BEGIN_MESSAGE("Computing detector types");
    const std::vector< RODFDetector*>& dets = detcont.getDetectors();
    // build needed information. first
    buildDetectorEdgeDependencies(detcont);
    // compute detector types then
    for (std::vector< RODFDetector*>::const_iterator i = dets.begin(); i != dets.end(); ++i) {
        if (isSource(**i, detcont, sourcesStrict)) {
            (*i)->setType(SOURCE_DETECTOR);
            mySourceNumber++;
        }
        if (isDestination(**i, detcont)) {
            (*i)->setType(SINK_DETECTOR);
            mySinkNumber++;
        }
        if ((*i)->getType() == TYPE_NOT_DEFINED) {
            (*i)->setType(BETWEEN_DETECTOR);
            myInBetweenNumber++;
        }
    }
    // recheck sources
    for (std::vector< RODFDetector*>::const_iterator i = dets.begin(); i != dets.end(); ++i) {
        if ((*i)->getType() == SOURCE_DETECTOR && isFalseSource(**i, detcont)) {
            (*i)->setType(DISCARDED_DETECTOR);
            myInvalidNumber++;
            mySourceNumber--;
        }
    }
    // print results
    PROGRESS_DONE_MESSAGE();
    WRITE_MESSAGE("Computed detector types:");
    WRITE_MESSAGE(" " + toString(mySourceNumber) + " source detectors");
    WRITE_MESSAGE(" " + toString(mySinkNumber) + " sink detectors");
    WRITE_MESSAGE(" " + toString(myInBetweenNumber) + " in-between detectors");
    WRITE_MESSAGE(" " + toString(myInvalidNumber) + " invalid detectors");
}
/* -------------------------------------------------------------------------
 * data processing methods
 * ----------------------------------------------------------------------- */
void
readDetectors(RODFDetectorCon& detectors, OptionsCont& oc, RODFNet* optNet) {
    if (!oc.isSet("detector-files")) {
        throw ProcessError("No detector file given (use --detector-files <FILE>).");
    }
    // read definitions stored in XML-format
    std::vector<std::string> files = oc.getStringVector("detector-files");
    for (std::vector<std::string>::const_iterator fileIt = files.begin(); fileIt != files.end(); ++fileIt) {
        if (!FileHelpers::exists(*fileIt)) {
            throw ProcessError("Could not open detector file '" + *fileIt + "'");
        }
        PROGRESS_BEGIN_MESSAGE("Loading detector definitions from '" + *fileIt + "'");
        RODFDetectorHandler handler(optNet, oc.getBool("ignore-invalid-detectors"), detectors, *fileIt);
        if (XMLSubSys::runParser(handler, *fileIt)) {
            PROGRESS_DONE_MESSAGE();
        } else {
            PROGRESS_FAILED_MESSAGE();
            throw ProcessError();
        }
    }
    if (detectors.getDetectors().empty()) {
        throw ProcessError("No detectors found.");
    }
}
Beispiel #7
0
void
RODFNet::buildRoutes(RODFDetectorCon& detcont, bool allEndFollower,
                     bool keepUnfoundEnds, bool includeInBetween,
                     bool keepShortestOnly, int maxFollowingLength) const {
    // build needed information first
    buildDetectorEdgeDependencies(detcont);
    // then build the routes
    std::map<ROEdge*, RODFRouteCont* > doneEdges;
    const std::vector< RODFDetector*>& dets = detcont.getDetectors();
    for (std::vector< RODFDetector*>::const_iterator i = dets.begin(); i != dets.end(); ++i) {
        ROEdge* e = getDetectorEdge(**i);
        if (doneEdges.find(e) != doneEdges.end()) {
            // use previously build routes
            (*i)->addRoutes(new RODFRouteCont(*doneEdges[e]));
            continue;
        }
        std::vector<ROEdge*> seen;
        RODFRouteCont* routes = new RODFRouteCont();
        doneEdges[e] = routes;
        RODFRouteDesc rd;
        rd.edges2Pass.push_back(e);
        rd.duration_2 = (e->getLength() / e->getSpeed()); //!!!;
        rd.endDetectorEdge = 0;
        rd.lastDetectorEdge = 0;
        rd.distance = e->getLength();
        rd.distance2Last = 0;
        rd.duration2Last = 0;

        rd.overallProb = 0;

        std::vector<ROEdge*> visited;
        visited.push_back(e);
        computeRoutesFor(e, rd, 0, keepUnfoundEnds, keepShortestOnly,
                         visited, **i, *routes, detcont, maxFollowingLength, seen);
        if (allEndFollower) {
            routes->addAllEndFollower();
        }
        //!!!routes->removeIllegal(illegals);
        (*i)->addRoutes(routes);

        // add routes to in-between detectors if wished
        if (includeInBetween) {
            // go through the routes
            const std::vector<RODFRouteDesc>& r = routes->get();
            for (std::vector<RODFRouteDesc>::const_iterator j = r.begin(); j != r.end(); ++j) {
                const RODFRouteDesc& mrd = *j;
                SUMOReal duration = mrd.duration_2;
                SUMOReal distance = mrd.distance;
                // go through each route's edges
                std::vector<ROEdge*>::const_iterator routeend = mrd.edges2Pass.end();
                for (std::vector<ROEdge*>::const_iterator k = mrd.edges2Pass.begin(); k != routeend; ++k) {
                    // check whether any detectors lies on the current edge
                    if (myDetectorsOnEdges.find(*k) == myDetectorsOnEdges.end()) {
                        duration -= (*k)->getLength() / (*k)->getSpeed();
                        distance -= (*k)->getLength();
                        continue;
                    }
                    // get the detectors
                    const std::vector<std::string>& dets = myDetectorsOnEdges.find(*k)->second;
                    // go through the detectors
                    for (std::vector<std::string>::const_iterator l = dets.begin(); l != dets.end(); ++l) {
                        const RODFDetector& m = detcont.getDetector(*l);
                        if (m.getType() == BETWEEN_DETECTOR) {
                            RODFRouteDesc nrd;
                            copy(k, routeend, back_inserter(nrd.edges2Pass));
                            nrd.duration_2 = duration;//!!!;
                            nrd.endDetectorEdge = mrd.endDetectorEdge;
                            nrd.lastDetectorEdge = mrd.lastDetectorEdge;
                            nrd.distance = distance;
                            nrd.distance2Last = mrd.distance2Last;
                            nrd.duration2Last = mrd.duration2Last;
                            nrd.overallProb = mrd.overallProb;
                            nrd.factor = mrd.factor;
                            ((RODFDetector&) m).addRoute(nrd);
                        }
                    }
                    duration -= (*k)->getLength() / (*k)->getSpeed();
                    distance -= (*k)->getLength();
                }
            }
        }

    }
}
void
startComputation(RODFNet* optNet, RODFDetectorFlows& flows, RODFDetectorCon& detectors, OptionsCont& oc) {
    if (oc.getBool("print-absolute-flows")) {
        flows.printAbsolute();
    }

    // if a network was loaded... (mode1)
    if (optNet != 0) {
        if (oc.getBool("remove-empty-detectors")) {
            PROGRESS_BEGIN_MESSAGE("Removing empty detectors");
            optNet->removeEmptyDetectors(detectors, flows);
            PROGRESS_DONE_MESSAGE();
        } else  if (oc.getBool("report-empty-detectors")) {
            PROGRESS_BEGIN_MESSAGE("Scanning for empty detectors");
            optNet->reportEmptyDetectors(detectors, flows);
            PROGRESS_DONE_MESSAGE();
        }
        // compute the detector types (optionally)
        if (!detectors.detectorsHaveCompleteTypes() || oc.getBool("revalidate-detectors")) {
            optNet->computeTypes(detectors, oc.getBool("strict-sources"));
        }
        std::vector<RODFDetector*>::const_iterator i = detectors.getDetectors().begin();
        for (; i != detectors.getDetectors().end(); ++i) {
            if ((*i)->getType() == SOURCE_DETECTOR) {
                break;
            }
        }
        if (i == detectors.getDetectors().end() && !oc.getBool("routes-for-all")) {
            throw ProcessError("No source detectors found.");
        }
        // compute routes between the detectors (optionally)
        if (!detectors.detectorsHaveRoutes() || oc.getBool("revalidate-routes") || oc.getBool("guess-empty-flows")) {
            PROGRESS_BEGIN_MESSAGE("Computing routes");
            optNet->buildRoutes(detectors,
                                oc.getBool("all-end-follower"), oc.getBool("keep-unfinished-routes"),
                                oc.getBool("routes-for-all"), !oc.getBool("keep-longer-routes"),
                                oc.getInt("max-search-depth"));
            PROGRESS_DONE_MESSAGE();
        }
    }

    // check
    // whether the detectors are valid
    if (!detectors.detectorsHaveCompleteTypes()) {
        throw ProcessError("The detector types are not defined; use in combination with a network");
    }
    // whether the detectors have routes
    if (!detectors.detectorsHaveRoutes()) {
        throw ProcessError("The emitters have no routes; use in combination with a network");
    }

    // save the detectors if wished
    if (oc.isSet("detector-output")) {
        detectors.save(oc.getString("detector-output"));
    }
    // save their positions as POIs if wished
    if (oc.isSet("detectors-poi-output")) {
        detectors.saveAsPOIs(oc.getString("detectors-poi-output"));
    }

    // save the routes file if it was changed or it's wished
    if (detectors.detectorsHaveRoutes() && oc.isSet("routes-output")) {
        detectors.saveRoutes(oc.getString("routes-output"));
    }

    // guess flows if wished
    if (oc.getBool("guess-empty-flows")) {
        optNet->buildDetectorDependencies(detectors);
        detectors.guessEmptyFlows(flows);
    }

    const SUMOTime begin = string2time(oc.getString("begin"));
    const SUMOTime end = string2time(oc.getString("end"));
    const SUMOTime step = string2time(oc.getString("time-step"));

    // save emitters if wished
    if (oc.isSet("emitters-output") || oc.isSet("emitters-poi-output")) {
        optNet->buildEdgeFlowMap(flows, detectors, begin, end, step); // !!!
        if (oc.getBool("revalidate-flows")) {
            PROGRESS_BEGIN_MESSAGE("Rechecking loaded flows");
            optNet->revalidateFlows(detectors, flows, begin, end, step);
            PROGRESS_DONE_MESSAGE();
        }
        if (oc.isSet("emitters-output")) {
            PROGRESS_BEGIN_MESSAGE("Writing emitters");
            detectors.writeEmitters(oc.getString("emitters-output"), flows,
                                    begin, end, step,
                                    *optNet,
                                    oc.getBool("calibrator-output"),
                                    oc.getBool("include-unused-routes"),
                                    oc.getFloat("scale"),
//                                    oc.getInt("max-search-depth"),
                                    oc.getBool("emissions-only"));
            PROGRESS_DONE_MESSAGE();
        }
        if (oc.isSet("emitters-poi-output")) {
            PROGRESS_BEGIN_MESSAGE("Writing emitter pois");
            detectors.writeEmitterPOIs(oc.getString("emitters-poi-output"), flows);
            PROGRESS_DONE_MESSAGE();
        }
    }
    // save end speed trigger if wished
    if (oc.isSet("variable-speed-sign-output")) {
        PROGRESS_BEGIN_MESSAGE("Writing speed triggers");
        detectors.writeSpeedTrigger(optNet, oc.getString("variable-speed-sign-output"), flows,
                                    begin, end, step);
        PROGRESS_DONE_MESSAGE();
    }
    // save checking detectors if wished
    if (oc.isSet("validation-output")) {
        PROGRESS_BEGIN_MESSAGE("Writing validation detectors");
        detectors.writeValidationDetectors(oc.getString("validation-output"),
                                           oc.getBool("validation-output.add-sources"), true, true); // !!!
        PROGRESS_DONE_MESSAGE();
    }
    // build global rerouter on end if wished
    if (oc.isSet("end-reroute-output")) {
        PROGRESS_BEGIN_MESSAGE("Writing highway end rerouter");
        detectors.writeEndRerouterDetectors(oc.getString("end-reroute-output")); // !!!
        PROGRESS_DONE_MESSAGE();
    }
    /*
       // save the insertion definitions
       if(oc.isSet("flow-definitions")) {
           buildVehicleEmissions(oc.getString("flow-definitions"));
       }
    */
    //
}