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Add additional selections on ITS tracks #13779

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Merged
mconcas merged 1 commit into from
Dec 11, 2024
+8 −1
Merged

Add additional selections on ITS tracks #13779

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2 changes: 2 additions & 0 deletions Detectors/ITSMFT/ITS/tracking/include/ITStracking/Configuration.h
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Original file line number Diff line number Diff line change
Expand Up @@ -94,6 +94,8 @@ struct TrackingParameters {
unsigned long MaxMemory = 12000000000UL;
float MaxChi2ClusterAttachment = 60.f;
float MaxChi2NDF = 30.f;
float MinPt = 0.f;
unsigned char StartLayerMask = 0x7F;
bool FindShortTracks = false;
bool PerPrimaryVertexProcessing = false;
bool SaveTimeBenchmarks = false;
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5 changes: 4 additions & 1 deletion Detectors/ITSMFT/ITS/tracking/src/TrackerTraits.cxx
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Expand Up @@ -573,6 +573,9 @@ void TrackerTraits::findRoads(const int iteration)
const int minimumLayer{startLevel - 1};
std::vector<CellSeed> trackSeeds;
for (int startLayer{mTrkParams[iteration].CellsPerRoad() - 1}; startLayer >= minimumLayer; --startLayer) {
if ((mTrkParams[iteration].StartLayerMask & (1 << (startLayer + 2))) == 0) {
continue;
}
CA_DEBUGGER(std::cout << "\t\t > Starting processing layer " << startLayer << std::endl);
std::vector<int> lastCellId, updatedCellId;
std::vector<CellSeed> lastCellSeed, updatedCellSeed;
Expand Down Expand Up @@ -615,7 +618,7 @@ void TrackerTraits::findRoads(const int iteration)
temporaryTrack.resetCovariance();
temporaryTrack.setChi2(0);
fitSuccess = fitTrack(temporaryTrack, mTrkParams[0].NLayers - 1, -1, -1, mTrkParams[0].MaxChi2ClusterAttachment, mTrkParams[0].MaxChi2NDF, 50.f);
if (!fitSuccess) {
if (!fitSuccess || temporaryTrack.getPt() < mTrkParams[iteration].MinPt) {
continue;
}
tracks[trackIndex++] = temporaryTrack;
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2 changes: 2 additions & 0 deletions Detectors/ITSMFT/ITS/tracking/src/TrackingInterface.cxx
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Expand Up @@ -47,6 +47,8 @@ void ITSTrackingInterface::initialise()
trackParams[2].TrackletMinPt = 0.1f;
trackParams[2].CellDeltaTanLambdaSigma *= 4.;
trackParams[2].MinTrackLength = 4;
trackParams[2].MinPt = 0.2f;
trackParams[2].StartLayerMask = (1 << 6) + (1 << 3);
if (o2::its::TrackerParamConfig::Instance().doUPCIteration) {
trackParams[3].TrackletMinPt = 0.1f;
trackParams[3].CellDeltaTanLambdaSigma *= 4.;
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