Exemplo n.º 1
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();
                }
            }
        }

    }
}
Exemplo n.º 2
0
void
RODFNet::buildEdgeFlowMap(const RODFDetectorFlows& flows,
                          const RODFDetectorCon& detectors,
                          SUMOTime startTime, SUMOTime endTime,
                          SUMOTime stepOffset) {
    std::map<ROEdge*, std::vector<std::string>, idComp>::iterator i;
    for (i = myDetectorsOnEdges.begin(); i != myDetectorsOnEdges.end(); ++i) {
        ROEdge* into = (*i).first;
        const std::vector<std::string>& dets = (*i).second;
        std::map<SUMOReal, std::vector<std::string> > cliques;
        std::vector<std::string>* maxClique = 0;
        for (std::vector<std::string>::const_iterator j = dets.begin(); j != dets.end(); ++j) {
            if (!flows.knows(*j)) {
                continue;
            }
            const RODFDetector& det = detectors.getDetector(*j);
            bool found = false;
            for (std::map<SUMOReal, std::vector<std::string> >::iterator k = cliques.begin(); !found && k != cliques.end(); ++k) {
                if (fabs((*k).first - det.getPos()) < 1) {
                    (*k).second.push_back(*j);
                    if ((*k).second.size() > maxClique->size()) {
                        maxClique = &(*k).second;
                    }
                    found = true;
                }
            }
            if (!found) {
                cliques[det.getPos()].push_back(*j);
                maxClique = &cliques[det.getPos()];
            }
        }
        if (maxClique == 0) {
            continue;
        }
        std::vector<FlowDef> mflows; // !!! reserve
        for (SUMOTime t = startTime; t < endTime; t += stepOffset) {
            FlowDef fd;
            fd.qPKW = 0;
            fd.qLKW = 0;
            fd.vLKW = 0;
            fd.vPKW = 0;
            fd.fLKW = 0;
            fd.isLKW = 0;
            mflows.push_back(fd);
        }
        for (std::vector<std::string>::iterator l = maxClique->begin(); l != maxClique->end(); ++l) {
            bool didWarn = false;
            const std::vector<FlowDef>& dflows = flows.getFlowDefs(*l);
            int index = 0;
            for (SUMOTime t = startTime; t < endTime; t += stepOffset, index++) {
                const FlowDef& srcFD = dflows[index];
                FlowDef& fd = mflows[index];
                fd.qPKW += srcFD.qPKW;
                fd.qLKW += srcFD.qLKW;
                fd.vLKW += (srcFD.vLKW / (SUMOReal) maxClique->size());
                fd.vPKW += (srcFD.vPKW / (SUMOReal) maxClique->size());
                fd.fLKW += (srcFD.fLKW / (SUMOReal) maxClique->size());
                fd.isLKW += (srcFD.isLKW / (SUMOReal) maxClique->size());
                if (!didWarn && srcFD.vPKW > 0 && srcFD.vPKW < 255 && srcFD.vPKW / 3.6 > into->getSpeed()) {
                    WRITE_MESSAGE("Detected PKW speed higher than allowed speed at '" + (*l) + "' on '" + into->getID() + "'.");
                    didWarn = true;
                }
                if (!didWarn && srcFD.vLKW > 0 && srcFD.vLKW < 255 && srcFD.vLKW / 3.6 > into->getSpeed()) {
                    WRITE_MESSAGE("Detected LKW speed higher than allowed speed at '" + (*l) + "' on '" + into->getID() + "'.");
                    didWarn = true;
                }
            }
        }
        static_cast<RODFEdge*>(into)->setFlows(mflows);
    }
}
Exemplo n.º 3
0
void
RODFNet::computeRoutesFor(ROEdge* edge, RODFRouteDesc& base, int /*no*/,
                          bool keepUnfoundEnds,
                          bool keepShortestOnly,
                          std::vector<ROEdge*>& /*visited*/,
                          const RODFDetector& det, RODFRouteCont& into,
                          const RODFDetectorCon& detectors,
                          int maxFollowingLength,
                          std::vector<ROEdge*>& seen) const {
    std::vector<RODFRouteDesc> unfoundEnds;
    std::priority_queue<RODFRouteDesc, std::vector<RODFRouteDesc>, DFRouteDescByTimeComperator> toSolve;
    std::map<ROEdge*, std::vector<ROEdge*> > dets2Follow;
    dets2Follow[edge] = std::vector<ROEdge*>();
    base.passedNo = 0;
    SUMOReal minDist = OptionsCont::getOptions().getFloat("min-route-length");
    toSolve.push(base);
    while (!toSolve.empty()) {
        RODFRouteDesc current = toSolve.top();
        toSolve.pop();
        ROEdge* last = *(current.edges2Pass.end() - 1);
        if (hasDetector(last)) {
            if (dets2Follow.find(last) == dets2Follow.end()) {
                dets2Follow[last] = std::vector<ROEdge*>();
            }
            for (std::vector<ROEdge*>::reverse_iterator i = current.edges2Pass.rbegin() + 1; i != current.edges2Pass.rend(); ++i) {
                if (hasDetector(*i)) {
                    dets2Follow[*i].push_back(last);
                    break;
                }
            }
        }

        // do not process an edge twice
        if (find(seen.begin(), seen.end(), last) != seen.end() && keepShortestOnly) {
            continue;
        }
        seen.push_back(last);
        // end if the edge has no further connections
        if (!hasApproached(last)) {
            // ok, no further connections to follow
            current.factor = 1.;
            SUMOReal cdist = current.edges2Pass[0]->getFromNode()->getPosition().distanceTo(current.edges2Pass.back()->getToNode()->getPosition());
            if (minDist < cdist) {
                into.addRouteDesc(current);
            }
            continue;
        }
        // check for passing detectors:
        //  if the current last edge is not the one the detector is placed on ...
        bool addNextNoFurther = false;
        if (last != getDetectorEdge(det)) {
            // ... if there is a detector ...
            if (hasDetector(last)) {
                if (!hasInBetweenDetectorsOnly(last, detectors)) {
                    // ... and it's not an in-between-detector
                    // -> let's add this edge and the following, but not any further
                    addNextNoFurther = true;
                    current.lastDetectorEdge = last;
                    current.duration2Last = (SUMOTime) current.duration_2;
                    current.distance2Last = current.distance;
                    current.endDetectorEdge = last;
                    if (hasSourceDetector(last, detectors)) {
///!!!                        //toDiscard.push_back(current);
                    }
                    current.factor = 1.;
                    SUMOReal cdist = current.edges2Pass[0]->getFromNode()->getPosition().distanceTo(current.edges2Pass.back()->getToNode()->getPosition());
                    if (minDist < cdist) {
                        into.addRouteDesc(current);
                    }
                    continue;
                } else {
                    // ... if it's an in-between-detector
                    // -> mark the current route as to be continued
                    current.passedNo = 0;
                    current.duration2Last = (SUMOTime) current.duration_2;
                    current.distance2Last = current.distance;
                    current.lastDetectorEdge = last;
                }
            }
        }
        // check for highway off-ramps
        if (myAmInHighwayMode) {
            // if it's beside the highway...
            if (last->getSpeed() < 19.4 && last != getDetectorEdge(det)) {
                // ... and has more than one following edge
                if (myApproachedEdges.find(last)->second.size() > 1) {
                    // -> let's add this edge and the following, but not any further
                    addNextNoFurther = true;
                }

            }
        }
        // check for missing end connections
        if (!addNextNoFurther) {
            // ... if this one would be processed, but already too many edge
            //  without a detector occured
            if (current.passedNo > maxFollowingLength) {
                // mark not to process any further
                WRITE_WARNING("Could not close route for '" + det.getID() + "'");
                unfoundEnds.push_back(current);
                current.factor = 1.;
                SUMOReal cdist = current.edges2Pass[0]->getFromNode()->getPosition().distanceTo(current.edges2Pass.back()->getToNode()->getPosition());
                if (minDist < cdist) {
                    into.addRouteDesc(current);
                }
                continue;
            }
        }
        // ... else: loop over the next edges
        const std::vector<ROEdge*>& appr  = myApproachedEdges.find(last)->second;
        bool hadOne = false;
        for (size_t i = 0; i < appr.size(); i++) {
            if (find(current.edges2Pass.begin(), current.edges2Pass.end(), appr[i]) != current.edges2Pass.end()) {
                // do not append an edge twice (do not build loops)
                continue;
            }
            RODFRouteDesc t(current);
            t.duration_2 += (appr[i]->getLength() / appr[i]->getSpeed()); //!!!
            t.distance += appr[i]->getLength();
            t.edges2Pass.push_back(appr[i]);
            if (!addNextNoFurther) {
                t.passedNo = t.passedNo + 1;
                toSolve.push(t);
            } else {
                if (!hadOne) {
                    t.factor = (SUMOReal) 1. / (SUMOReal) appr.size();
                    SUMOReal cdist = current.edges2Pass[0]->getFromNode()->getPosition().distanceTo(current.edges2Pass.back()->getToNode()->getPosition());
                    if (minDist < cdist) {
                        into.addRouteDesc(t);
                    }
                    hadOne = true;
                }
            }
        }
    }
    //
    if (!keepUnfoundEnds) {
        std::vector<RODFRouteDesc>::iterator i;
        std::vector<const ROEdge*> lastDetEdges;
        for (i = unfoundEnds.begin(); i != unfoundEnds.end(); ++i) {
            if (find(lastDetEdges.begin(), lastDetEdges.end(), (*i).lastDetectorEdge) == lastDetEdges.end()) {
                lastDetEdges.push_back((*i).lastDetectorEdge);
            } else {
                bool ok = into.removeRouteDesc(*i);
                assert(ok);
            }
        }
    } else {
        // !!! patch the factors
    }
    while (!toSolve.empty()) {
//        RODFRouteDesc d = toSolve.top();
        toSolve.pop();
//        delete d;
    }
}