bool
RODFNet::isFalseSource(const RODFDetector& det, ROEdge* edge, ROEdgeVector& seen,
const RODFDetectorCon& detectors) const {
if (seen.size() == 1000) { // !!!
WRITE_WARNING("Quitting checking for being a false source for detector '" + det.getID() + "' due to seen edge limit.");
return false;
}
seen.push_back(edge);
if (edge != getDetectorEdge(det)) {
// ok, we are at one of the edges coming behind
if (hasDetector(edge)) {
const std::vector<std::string>& dets = myDetectorsOnEdges.find(edge)->second;
for (std::vector<std::string>::const_iterator i = dets.begin(); i != dets.end(); ++i) {
if (detectors.getDetector(*i).getType() == SINK_DETECTOR) {
return false;
}
if (detectors.getDetector(*i).getType() == BETWEEN_DETECTOR) {
return false;
}
if (detectors.getDetector(*i).getType() == SOURCE_DETECTOR) {
return true;
}
}
} else {
if (myAmInHighwayMode && edge->getSpeed() < 19.) {
return false;
}
}
}
if (myApproachedEdges.find(edge) == myApproachedEdges.end()) {
return false;
}
const ROEdgeVector& appr = myApproachedEdges.find(edge)->second;
bool isall = false;
for (size_t i = 0; i < appr.size() && !isall; i++) {
//printf("checking %s->\n", appr[i].c_str());
bool had = std::find(seen.begin(), seen.end(), appr[i]) != seen.end();
if (!had) {
if (isFalseSource(det, appr[i], seen, detectors)) {
isall = true;
}
}
}
return isall;
}
bool
RODFNet::isSource(const RODFDetector& det, ROEdge* edge,
ROEdgeVector& seen,
const RODFDetectorCon& detectors,
bool strict) const {
if (seen.size() == 1000) { // !!!
WRITE_WARNING("Quitting checking for being a source for detector '" + det.getID() + "' due to seen edge limit.");
return false;
}
if (edge == getDetectorEdge(det)) {
// maybe there is another detector at the same edge
// get the list of this/these detector(s)
const std::vector<std::string>& detsOnEdge = myDetectorsOnEdges.find(edge)->second;
for (std::vector<std::string>::const_iterator i = detsOnEdge.begin(); i != detsOnEdge.end(); ++i) {
if ((*i) == det.getID()) {
continue;
}
const RODFDetector& sec = detectors.getDetector(*i);
if (getAbsPos(sec) < getAbsPos(det)) {
// ok, there is another detector on the same edge and it is
// before this one -> no source
return false;
}
}
}
// it's a source if no edges are approaching the edge
if (!hasApproaching(edge)) {
if (edge != getDetectorEdge(det)) {
if (hasDetector(edge)) {
return false;
}
}
return true;
}
if (edge != getDetectorEdge(det)) {
// ok, we are at one of the edges in front
if (myAmInHighwayMode) {
if (edge->getSpeed() >= 19.4) {
if (hasDetector(edge)) {
// we are still on the highway and there is another detector
return false;
}
// the next is a hack for the A100 scenario...
// We have to look into further edges herein edges
const ROEdgeVector& appr = myApproachingEdges.find(edge)->second;
size_t noOk = 0;
size_t noFalse = 0;
size_t noSkipped = 0;
for (size_t i = 0; i < appr.size(); i++) {
if (!hasDetector(appr[i])) {
noOk++;
} else {
noFalse++;
}
}
if ((noFalse + noSkipped) == appr.size()) {
return false;
}
}
}
}
if (myAmInHighwayMode) {
if (edge->getSpeed() < 19.4 && edge != getDetectorEdge(det)) {
// we have left the highway already
// -> the detector will be a highway source
if (!hasDetector(edge)) {
return true;
}
}
}
if (myDetectorsOnEdges.find(edge) != myDetectorsOnEdges.end()
&&
myDetectorEdges.find(det.getID())->second != edge) {
return false;
}
// let's check the edges in front
const ROEdgeVector& appr = myApproachingEdges.find(edge)->second;
size_t noOk = 0;
size_t noFalse = 0;
size_t noSkipped = 0;
seen.push_back(edge);
for (size_t i = 0; i < appr.size(); i++) {
bool had = std::find(seen.begin(), seen.end(), appr[i]) != seen.end();
if (!had) {
if (isSource(det, appr[i], seen, detectors, strict)) {
noOk++;
} else {
noFalse++;
}
} else {
noSkipped++;
}
}
if (!strict) {
return (noFalse + noSkipped) != appr.size();
} else {
return (noOk + noSkipped) == appr.size();
}
}
bool
RODFNet::isDestination(const RODFDetector& det, ROEdge* edge, ROEdgeVector& seen,
const RODFDetectorCon& detectors) const {
if (seen.size() == 1000) { // !!!
WRITE_WARNING("Quitting checking for being a destination for detector '" + det.getID() + "' due to seen edge limit.");
return false;
}
if (edge == getDetectorEdge(det)) {
// maybe there is another detector at the same edge
// get the list of this/these detector(s)
const std::vector<std::string>& detsOnEdge = myDetectorsOnEdges.find(edge)->second;
for (std::vector<std::string>::const_iterator i = detsOnEdge.begin(); i != detsOnEdge.end(); ++i) {
if ((*i) == det.getID()) {
continue;
}
const RODFDetector& sec = detectors.getDetector(*i);
if (getAbsPos(sec) > getAbsPos(det)) {
// ok, there is another detector on the same edge and it is
// after this one -> no destination
return false;
}
}
}
if (!hasApproached(edge)) {
if (edge != getDetectorEdge(det)) {
if (hasDetector(edge)) {
return false;
}
}
return true;
}
if (edge != getDetectorEdge(det)) {
// ok, we are at one of the edges coming behind
if (myAmInHighwayMode) {
if (edge->getSpeed() >= 19.4) {
if (hasDetector(edge)) {
// we are still on the highway and there is another detector
return false;
}
}
}
}
if (myAmInHighwayMode) {
if (edge->getSpeed() < 19.4 && edge != getDetectorEdge(det)) {
if (hasDetector(edge)) {
return true;
}
if (myApproachedEdges.find(edge)->second.size() > 1) {
return true;
}
}
}
if (myDetectorsOnEdges.find(edge) != myDetectorsOnEdges.end()
&&
myDetectorEdges.find(det.getID())->second != edge) {
return false;
}
const ROEdgeVector& appr = myApproachedEdges.find(edge)->second;
bool isall = true;
size_t no = 0;
seen.push_back(edge);
for (size_t i = 0; i < appr.size() && isall; i++) {
bool had = std::find(seen.begin(), seen.end(), appr[i]) != seen.end();
if (!had) {
if (!isDestination(det, appr[i], seen, detectors)) {
no++;
isall = false;
}
}
}
return isall;
}
void
RODFNet::revalidateFlows(const RODFDetector* detector,
RODFDetectorFlows& flows,
SUMOTime startTime, SUMOTime endTime,
SUMOTime stepOffset) {
{
if (flows.knows(detector->getID())) {
const std::vector<FlowDef>& detFlows = flows.getFlowDefs(detector->getID());
for (std::vector<FlowDef>::const_iterator j = detFlows.begin(); j != detFlows.end(); ++j) {
if ((*j).qPKW > 0 || (*j).qLKW > 0) {
return;
}
}
}
}
// ok, there is no information for the whole time;
// lets find preceding detectors and rebuild the flows if possible
WRITE_WARNING("Detector '" + detector->getID() + "' has no flows.\n Trying to rebuild.");
// go back and collect flows
ROEdgeVector previous;
{
std::vector<IterationEdge> missing;
IterationEdge ie;
ie.depth = 0;
ie.edge = getDetectorEdge(*detector);
missing.push_back(ie);
bool maxDepthReached = false;
while (!missing.empty() && !maxDepthReached) {
IterationEdge last = missing.back();
missing.pop_back();
ROEdgeVector approaching = myApproachingEdges[last.edge];
for (ROEdgeVector::const_iterator j = approaching.begin(); j != approaching.end(); ++j) {
if (hasDetector(*j)) {
previous.push_back(*j);
} else {
ie.depth = last.depth + 1;
ie.edge = *j;
missing.push_back(ie);
if (ie.depth > 5) {
maxDepthReached = true;
}
}
}
}
if (maxDepthReached) {
WRITE_WARNING(" Could not build list of previous flows.");
}
}
// Edges with previous detectors are now in "previous";
// compute following
ROEdgeVector latter;
{
std::vector<IterationEdge> missing;
for (ROEdgeVector::const_iterator k = previous.begin(); k != previous.end(); ++k) {
IterationEdge ie;
ie.depth = 0;
ie.edge = *k;
missing.push_back(ie);
}
bool maxDepthReached = false;
while (!missing.empty() && !maxDepthReached) {
IterationEdge last = missing.back();
missing.pop_back();
ROEdgeVector approached = myApproachedEdges[last.edge];
for (ROEdgeVector::const_iterator j = approached.begin(); j != approached.end(); ++j) {
if (*j == getDetectorEdge(*detector)) {
continue;
}
if (hasDetector(*j)) {
latter.push_back(*j);
} else {
IterationEdge ie;
ie.depth = last.depth + 1;
ie.edge = *j;
missing.push_back(ie);
if (ie.depth > 5) {
maxDepthReached = true;
}
}
}
}
if (maxDepthReached) {
WRITE_WARNING(" Could not build list of latter flows.");
return;
}
}
// Edges with latter detectors are now in "latter";
// lets not validate them by now - surely this should be done
// for each time step: collect incoming flows; collect outgoing;
std::vector<FlowDef> mflows;
int index = 0;
for (SUMOTime t = startTime; t < endTime; t += stepOffset, index++) {
FlowDef inFlow;
inFlow.qLKW = 0;
inFlow.qPKW = 0;
inFlow.vLKW = 0;
inFlow.vPKW = 0;
// collect incoming
{
// !! time difference is missing
for (ROEdgeVector::iterator i = previous.begin(); i != previous.end(); ++i) {
const std::vector<FlowDef>& flows = static_cast<const RODFEdge*>(*i)->getFlows();
if (flows.size() != 0) {
const FlowDef& srcFD = flows[index];
inFlow.qLKW += srcFD.qLKW;
inFlow.qPKW += srcFD.qPKW;
inFlow.vLKW += srcFD.vLKW;
inFlow.vPKW += srcFD.vPKW;
}
}
}
inFlow.vLKW /= (SUMOReal) previous.size();
inFlow.vPKW /= (SUMOReal) previous.size();
// collect outgoing
FlowDef outFlow;
outFlow.qLKW = 0;
outFlow.qPKW = 0;
outFlow.vLKW = 0;
outFlow.vPKW = 0;
{
// !! time difference is missing
for (ROEdgeVector::iterator i = latter.begin(); i != latter.end(); ++i) {
const std::vector<FlowDef>& flows = static_cast<const RODFEdge*>(*i)->getFlows();
if (flows.size() != 0) {
const FlowDef& srcFD = flows[index];
outFlow.qLKW += srcFD.qLKW;
outFlow.qPKW += srcFD.qPKW;
outFlow.vLKW += srcFD.vLKW;
outFlow.vPKW += srcFD.vPKW;
}
}
}
outFlow.vLKW /= (SUMOReal) latter.size();
outFlow.vPKW /= (SUMOReal) latter.size();
//
FlowDef mFlow;
mFlow.qLKW = inFlow.qLKW - outFlow.qLKW;
mFlow.qPKW = inFlow.qPKW - outFlow.qPKW;
mFlow.vLKW = (inFlow.vLKW + outFlow.vLKW) / (SUMOReal) 2.;
mFlow.vPKW = (inFlow.vPKW + outFlow.vPKW) / (SUMOReal) 2.;
mflows.push_back(mFlow);
}
static_cast<RODFEdge*>(getDetectorEdge(*detector))->setFlows(mflows);
flows.setFlows(detector->getID(), mflows);
}