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TPC QC: add ratio plots to TrackClusters QA task #14482

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Merged
wiechula merged 1 commit into from
Jul 8, 2025
Merged

TPC QC: add ratio plots to TrackClusters QA task #14482

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12 changes: 10 additions & 2 deletions Detectors/TPC/qc/src/TrackClusters.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -35,16 +35,21 @@ struct binning {
double max;
};

const binning binsClusters{160, 0., 160.};
const binning binsSharedClusters{160, 0., 160.};
const binning binsFoundClusters{160, 0., 160.};
const binning binsCrossedRows{160, 0., 160.};
const binning binsRatio{150, 0., 1.5};

//______________________________________________________________________________
void TrackClusters::initializeHistograms()
{
TH1::AddDirectory(false);
mMapHist["clusters"].emplace_back(std::make_unique<TH1F>("clusters", "Clusters;NClusters;Entries", binsClusters.bins, binsClusters.min, binsClusters.max));
mMapHist["sharedClusters"].emplace_back(std::make_unique<TH1F>("sharedClusters", "sharedClusters;NSharedClusters;Entries", binsSharedClusters.bins, binsSharedClusters.min, binsSharedClusters.max));
mMapHist["crossedRows"].emplace_back(std::make_unique<TH1F>("crossedRows", "crossedRows;crossedRows;Entries", binsCrossedRows.bins, binsCrossedRows.min, binsCrossedRows.max));
mMapHist["crossedRows"].emplace_back(std::make_unique<TH1F>("crossedRows", "crossedRows;NCrossedRows;Entries", binsCrossedRows.bins, binsCrossedRows.min, binsCrossedRows.max));
mMapHist["sharedClustersOverClusters"].emplace_back(std::make_unique<TH1F>("sharedClustersOverClusters", "sharedClustersOverClusters;NSharedClusters/NClusters;Entries", binsRatio.bins, binsRatio.min, binsRatio.max));
mMapHist["clustersOverCrossedRow"].emplace_back(std::make_unique<TH1F>("clustersOverCrossedRow", "clustersOverCrossedRow;NClusters/NCrossedRows;Entries", binsRatio.bins, binsRatio.min, binsRatio.max));
}

//______________________________________________________________________________
Expand All @@ -71,16 +76,19 @@ bool TrackClusters::processTrackAndClusters(const std::vector<o2::tpc::TrackTPC>
const auto nCls = uint8_t(track.getNClusters());
const auto eta = track.getEta();

if (nCls < mCutMinNCls || dEdxTot < mCutMindEdxTot || abs(eta) > mCutAbsEta) {
if (nCls < mCutMinNCls || dEdxTot < mCutMindEdxTot || std::fabs(eta) > mCutAbsEta) {
continue;
}

uint8_t shared = 200, found = 0, crossed = 0;

o2::TrackMethods::countTPCClusters(track, *clusRefs, mBufVec, *clusterIndex, shared, found, crossed);

mMapHist["clusters"][0]->Fill(found);
mMapHist["sharedClusters"][0]->Fill(shared);
mMapHist["crossedRows"][0]->Fill(crossed);
mMapHist["sharedClustersOverClusters"][0]->Fill(static_cast<float>(shared) / static_cast<float>(found));
mMapHist["clustersOverCrossedRow"][0]->Fill(static_cast<float>(found) / static_cast<float>(crossed));
}

return true;
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2 changes: 1 addition & 1 deletion Detectors/TPC/qc/src/Tracks.cxx
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Expand Up @@ -38,7 +38,7 @@ struct binning {
const std::vector<std::string_view> types{"A_Pos", "A_Neg", "C_Pos", "C_Neg"};
const binning binsDCAr{200, -5., 5.};
const binning binsDCArLargerRange{400, -10., 10.};
const binning binsEta{200, -1., 1.};
const binning binsEta{300, -1.5, 1.5};
const binning binsClus{120, 60., 180.};
const binning binsClusLargerRange{140, 60., 200.};
//______________________________________________________________________________
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