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Discard TRD tracks with bad quality #10540

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Merged
martenole merged 1 commit into from
Jan 17, 2023
Merged

Discard TRD tracks with bad quality #10540

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2 changes: 1 addition & 1 deletion 2 Detectors/TPC/calibration/SpacePoints/include/SpacePoints/SpacePointsCalibConfParam.h
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Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,7 @@ namespace o2
namespace tpc
{

// These are configurable params for Primary Vertexer
// These are configurable params for the TPC space point calibration
struct SpacePointsCalibConfParam : public o2::conf::ConfigurableParamHelper<SpacePointsCalibConfParam> {

int maxTracksPerCalibSlot = 3'500'000; ///< the number of tracks which is required to obtain an average correction map
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8 changes: 7 additions & 1 deletion 8 Detectors/TRD/workflow/src/TRDGlobalTrackingSpec.cxx
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Expand Up @@ -383,6 +383,12 @@ void TRDGlobalTracking::run(ProcessingContext& pc)
// skip tracks which have another hypothesis close to the best one or which do are above strict chi2 threshold
continue;
}
if (trdTrack.getNtracklets() < mTracker->Param().rec.trd.nTrackletsMin) {
continue;
}
if (trdTrack.getChi2() / trdTrack.getNtracklets() > mTracker->Param().rec.trd.maxChi2Red) {
continue;
}
nTrackletsAttached += trdTrack.getNtracklets();
auto trackGID = trdTrack.getRefGlobalTrackId();
if (trackGID.includesDet(GTrackID::Source::ITS)) {
Expand Down Expand Up @@ -750,7 +756,7 @@ DataProcessorSpec getTRDGlobalTrackingSpec(bool useMC, GTrackID::mask_t src, boo
inputs,
outputs,
AlgorithmSpec{adaptFromTask<TRDGlobalTracking>(useMC, withPID, policy, dataRequest, ggRequest, src, trigRecFilterActive, strict)},
Options{{"material-lut-path", VariantType::String, "", {"Path of the material LUT file"}}}};
Options{}};
}

} // namespace trd
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2 changes: 2 additions & 0 deletions 2 GPU/GPUTracking/Definitions/GPUSettingsList.h
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Expand Up @@ -94,8 +94,10 @@ AddOptionRTC(addTimeRoadITSTPC, float, 2.5f, "", 0, "Increase time search road b
AddOptionRTC(extraRoadY, float, 5.f, "", 0, "Addition to search road around track prolongation along Y in cm")
AddOptionRTC(extraRoadZ, float, 10.f, "", 0, "Addition to search road around track prolongation along Z in cm")
AddOptionRTC(trkltResRPhiIdeal, float, 1.f, "", 0, "Optimal tracklet rphi resolution in cm (in case phi of track = lorentz angle)")
AddOptionRTC(maxChi2Red, float, 99.f, "", 0, "maximum chi2 per attached tracklet for TRD tracks TODO: currently effectively disabled, requires tuning")
AddOptionRTC(applyDeflectionCut, unsigned char, 0, "", 0, "Set to 1 to enable tracklet selection based on deflection")
AddOptionRTC(stopTrkAfterNMissLy, unsigned char, 6, "", 0, "Abandon track following after N layers without a TRD match")
AddOptionRTC(nTrackletsMin, unsigned char, 3, "", 0, "Tracks with less attached tracklets are discarded after the tracking")
AddOptionRTC(useExternalO2DefaultPropagator, unsigned char, 0, "", 0, "Use the default instance of the o2::Propagator, instead of the GPU Reconstruciton one with GPU B field")
AddOptionRTC(matCorrType, unsigned char, 2, "", 0, "Material correction to use: 0 - none, 1 - TGeo, 2 - matLUT")
AddHelp("help", 'h')
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