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[DPG] additional dt-dependent occupancy histos for ITS+TOF and ITS+TRD tracks #11636

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altsybee merged 2 commits into from
Jun 17, 2025
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[DPG] additional dt-dependent occupancy histos for ITS+TOF and ITS+TRD tracks #11636

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9ed7183
additional dt occupancy histograms for ITS+TOF and ITS+TRD tracks
altsybee Jun 16, 2025
9110248
fix <map>
altsybee Jun 16, 2025
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44 changes: 33 additions & 11 deletions DPG/Tasks/AOTEvent/detectorOccupancyQa.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -65,6 +65,7 @@
Configurable<bool> confFlagUseNoHighMultCollInPrevRof{"FlagUseNoHighMultCollInPrevRof", false, "Suppress high-multiplicity prev-ROF events for occupancy historams"}; // o2-linter: disable=name/configurable (temporary fix)
Configurable<bool> confFlagCentralityIsAvailable{"FlagCentralityIsAvailable", true, "Fill centrality-related historams"}; // o2-linter: disable=name/configurable (temporary fix)
Configurable<bool> confFlagManyHeavyHistos{"FlagManyHeavyHistos", true, "Fill more TH2, TH3, THn historams"}; // o2-linter: disable=name/configurable (temporary fix)
Configurable<bool> confFlagIsTOFIsTRDdtStudy{"FlagIsTOFIsTRDdtStudy", true, "Fill THn dt historams with isTOF and isTRD condition"}; // o2-linter: disable=name/configurable (temporary fix)

// configuration for small time binning
Configurable<float> confTimeIntervalForSmallBins{"TimeIntervalForSmallBins", 100, "Time interval for TPC occupancy calculation in small bins, +/-, us"}; // o2-linter: disable=name/configurable (temporary fix)
Expand Down Expand Up @@ -328,6 +329,10 @@
histos.add("occupancyInTimeBins_nITS567_vs_FT0thisCol_occupByFT0_kNoCollInTimeRangeNarrow", ";time bin (#mus);FT0C this collision, this collision;n ITS567cls tracks, this collision;sum FT0 in time window", kTHnF, {axisTimeBins, {nBins3D, 0, kMaxThisEv * 100000}, {nBinsY, 0, kMaxThisEv * 4000}, {nBins3DoccupancyAxis, 0, kMaxOccup * 100000}});
histos.add("occupancyInTimeBins_nITS567_vs_FT0thisCol_occupByFT0_kNoCollInTimeRangeNarrow_NoCollInRofStrict", ";time bin (#mus);FT0C this collision, this collision;n ITS567cls tracks, this collision;sum FT0 in time window", kTHnF, {axisTimeBins, {nBins3D, 0, kMaxThisEv * 100000}, {nBinsY, 0, kMaxThisEv * 4000}, {nBins3DoccupancyAxis, 0, kMaxOccup * 100000}});
}
if (confFlagIsTOFIsTRDdtStudy) {
histos.add("occupancyInTimeBins_nITSTOF_vs_FT0thisCol_kNoCollInTimeRangeNarrow", ";time bin (#mus);FT0C this collision, this collision;n ITSTOF tracks, this collision;ITS tracks with 5,6,7 cls in time window", kTHnF, {axisTimeBins, {nBins3D, 0, kMaxThisEv * 100000}, {nBinsY, 0, kMaxThisEv * 4000}, {nBins3DoccupancyAxis, 0, kMaxOccup * 10000}});
histos.add("occupancyInTimeBins_nITSTRD_vs_FT0thisCol_kNoCollInTimeRangeNarrow", ";time bin (#mus);FT0C this collision, this collision;n ITSTRD tracks, this collision;ITS tracks with 5,6,7 cls in time window", kTHnF, {axisTimeBins, {nBins3D, 0, kMaxThisEv * 100000}, {nBinsY, 0, kMaxThisEv * 4000}, {nBins3DoccupancyAxis, 0, kMaxOccup * 10000}});
}

histos.add("thisEventITStracksInTimeBins", ";time bin (#mus);n tracks", kTH1F, {axisTimeBins});
histos.add("thisEventITSTPCtracksInTimeBins", ";time bin (#mus);n tracks", kTH1F, {axisTimeBins});
Expand Down Expand Up @@ -442,7 +447,7 @@
if (runNumber != lastRunNumber) {
lastRunNumber = runNumber; // do it only once

if (runNumber >= 500000) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
auto runInfo = o2::parameters::AggregatedRunInfo::buildAggregatedRunInfo(o2::ccdb::BasicCCDBManager::instance(), runNumber);
// first bc of the first orbit
bcSOR = runInfo.orbitSOR * o2::constants::lhc::LHCMaxBunches;
Expand All @@ -462,6 +467,8 @@
std::vector<int> vTracksGlobalPerCollPtEtaCuts(cols.size(), 0); // counter of tracks per found bc for occupancy studies
std::vector<int> vTracksITSTPCperColl(cols.size(), 0); // counter of tracks per found bc for occupancy studies
std::vector<int> vTracksITSTPCperCollPtEtaCuts(cols.size(), 0); // counter of tracks per found bc for occupancy studies
std::vector<int> vTracksITSTOFperCollPtEtaCuts(cols.size(), 0); // counter of tracks per found bc for occupancy studies
std::vector<int> vTracksITSTRDperCollPtEtaCuts(cols.size(), 0); // counter of tracks per found bc for occupancy studies
std::vector<float> vAmpFT0CperColl(cols.size(), 0); // amplitude FT0C per collision

std::vector<int> vTFids(cols.size(), 0);
Expand All @@ -482,15 +489,21 @@
int nGlobalPtEtaCuts = 0;
int nITSTPCtracks = 0;
int nITSTPCtracksPtEtaCuts = 0;
int nITSTOFtracksPtEtaCuts = 0;
int nITSTRDtracksPtEtaCuts = 0;
int nTOFtracks = 0;
// int nTRDtracks = 0;
auto tracksGrouped = tracks.sliceBy(perCollision, col.globalIndex());
for (const auto& track : tracksGrouped) {
if (!track.isPVContributor()) {
continue;
}
if (track.itsNCls() >= 5)
nITS567cls++;
// if (track.itsNCls() >= 5)
// nITS567cls++;
if (track.itsNCls() < 5)

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
continue;
nITS567cls++;

nITSTPCtracks += track.hasITS() && track.hasTPC();
nTOFtracks += track.hasTOF();
// nTRDtracks += track.hasTRD();
Expand All @@ -500,15 +513,18 @@
if (track.eta() < confCutEtaMinTracksThisEvent || track.eta() > confCutEtaMaxTracksThisEvent)
continue;

if (track.itsNCls() >= 5)
nITS567clsPtEtaCuts++;
// if (track.itsNCls() >= 5)
nITS567clsPtEtaCuts++;

nITSTOFtracksPtEtaCuts += track.hasITS() && track.hasTOF();
nITSTRDtracksPtEtaCuts += track.hasITS() && track.hasTRD();

if (track.tpcNClsFound() < confCutMinTPCcls)
continue;
nITSTPCtracksPtEtaCuts += track.hasITS() && track.hasTPC();

if (track.itsNCls() >= 5)
nGlobalPtEtaCuts += track.isGlobalTrack();
// if (track.itsNCls() >= 5)
nGlobalPtEtaCuts += track.isGlobalTrack();
}

int32_t foundBC = bc.globalIndex();
Expand All @@ -522,12 +538,14 @@

vIsVertexTOFmatched[colIndex] = nTOFtracks > 0;

vTracksITS567perColl[colIndex] += nITS567cls;
vTracksITS567perCollPtEtaCuts[colIndex] += nITS567clsPtEtaCuts;
vTracksGlobalPerCollPtEtaCuts[colIndex] += nGlobalPtEtaCuts;
vTracksITS567perColl[colIndex] = nITS567cls;
vTracksITS567perCollPtEtaCuts[colIndex] = nITS567clsPtEtaCuts;
vTracksGlobalPerCollPtEtaCuts[colIndex] = nGlobalPtEtaCuts;

vTracksITSTPCperColl[colIndex] += nITSTPCtracks;
vTracksITSTPCperCollPtEtaCuts[colIndex] += nITSTPCtracksPtEtaCuts;
vTracksITSTPCperColl[colIndex] = nITSTPCtracks;
vTracksITSTPCperCollPtEtaCuts[colIndex] = nITSTPCtracksPtEtaCuts;
vTracksITSTOFperCollPtEtaCuts[colIndex] = nITSTOFtracksPtEtaCuts;
vTracksITSTRDperCollPtEtaCuts[colIndex] = nITSTRDtracksPtEtaCuts;

// TF ids within a given cols table
int tfId = (bc.globalBC() - bcSOR) / nBCsPerTF;
Expand All @@ -538,7 +556,7 @@
vIsFullInfoForOccupancy[colIndex] = ((bcInTF - 300) * bcNS > timeWinOccupancyCalcNS) && ((nBCsPerTF - 4000 - bcInTF) * bcNS > timeWinOccupancyCalcNS) ? true : false;

// cut on the max bc in the time frame
vIsMarkedCollForAnalysis[colIndex] = nMaxBcInTFforAnalysis == -1 ? 1 : (bcInTF >= 300 && bcInTF < nMaxBcInTFforAnalysis);

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
LOGP(debug, "### check bcInTF cut: colIndex={} bcInTF={} vIsFullInfoForOccupancy={}", colIndex, bcInTF, static_cast<int>(vIsFullInfoForOccupancy[colIndex]));
}

Expand Down Expand Up @@ -572,7 +590,7 @@

float dt = (thisBC - foundGlobalBC) * bcNS; // ns

if (confFlagWhichTimeRange == 2 && dt < 0)

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
break;

// check if we are within the chosen time range
Expand Down Expand Up @@ -680,7 +698,7 @@
nITSTPCtracksInTimeWindowSel += vTracksITSTPCperColl[thisColIndex];

mUniqueBC[thisGlobBC] = thisColIndex;
if (vTracksITSTPCperColl[thisColIndex] >= 2)

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
nCollInTimeWindowSelITSTPC++;

if (vIsVertexTOFmatched[thisColIndex])
Expand Down Expand Up @@ -723,7 +741,7 @@
histos.fill(HIST("hNumITSTPC_vs_ITS567tracksThisCol_vs_ITS567tracksInTimeWindow_BEFORE_sel"), vTracksITS567perCollPtEtaCuts[colIndex], vTracksITSTPCperCollPtEtaCuts[colIndex], nITS567tracksInTimeWindow - vTracksITS567perColl[colIndex]);
histos.fill(HIST("hNumITSTPC_vs_ITS567tracksThisCol_vs_FT0CamplInTimeWindow_BEFORE_sel"), vTracksITS567perCollPtEtaCuts[colIndex], vTracksITSTPCperCollPtEtaCuts[colIndex], multFT0CInTimeWindow - multFT0CmainCollision);

if (sel && std::fabs(col.posZ()) < 10) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
histos.fill(HIST("hNumITS567tracksInTimeWindowSel"), nITS567tracksInTimeWindowSel);
histos.fill(HIST("hNumITSTPCtracksInTimeWindowSel"), nITSTPCtracksInTimeWindowSel);

Expand Down Expand Up @@ -771,7 +789,7 @@
float integralNeighbourEvents = histos.get<TH1>(HIST("thisEventITStracksInTimeBins"))->Integral(binMin, binMax);

// recent past
if (integralFullDeltaTime < 150) // ~empty detector

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
vFlagsForEtaQAvsOccupancyInDeltaTimeWins[colIndex] = 1;
// recent past
if (integralPast > /*3000*/ 2500 && (integralFullDeltaTime - integralPast) < 120) // low occupancy outside the dt region of interest
Expand Down Expand Up @@ -807,7 +825,7 @@
if (confFlagUseNoHighMultCollInPrevRof && !col.selection_bit(kNoHighMultCollInPrevRof))
flagFillOccupVsDt = false;

if (sel && std::fabs(col.posZ()) < 10 && flagFillOccupVsDt) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
histos.fill(HIST("occupancyInTimeBins"), dt, vTracksITS567perCollPtEtaCuts[colIndex], confFlagUseGlobalTracks ? vTracksGlobalPerCollPtEtaCuts[colIndex] : vTracksITSTPCperCollPtEtaCuts[colIndex], nITStrInTimeBin);
if (confFlagManyHeavyHistos)
histos.fill(HIST("occupancyInTimeBins_occupByFT0"), dt, vTracksITS567perCollPtEtaCuts[colIndex], confFlagUseGlobalTracks ? vTracksGlobalPerCollPtEtaCuts[colIndex] : vTracksITSTPCperCollPtEtaCuts[colIndex], nFT0CInTimeBin);
Expand All @@ -815,6 +833,10 @@
if (col.selection_bit(kNoCollInTimeRangeNarrow)) {
histos.fill(HIST("occupancyInTimeBins_vs_FT0thisCol_kNoCollInTimeRangeNarrow"), dt, vAmpFT0CperColl[colIndex], confFlagUseGlobalTracks ? vTracksGlobalPerCollPtEtaCuts[colIndex] : vTracksITSTPCperCollPtEtaCuts[colIndex], nITStrInTimeBin);
histos.fill(HIST("occupancyInTimeBins_nITS567_vs_FT0thisCol_kNoCollInTimeRangeNarrow"), dt, vAmpFT0CperColl[colIndex], vTracksITS567perCollPtEtaCuts[colIndex], nITStrInTimeBin);
if (confFlagIsTOFIsTRDdtStudy) {
histos.fill(HIST("occupancyInTimeBins_nITSTOF_vs_FT0thisCol_kNoCollInTimeRangeNarrow"), dt, vAmpFT0CperColl[colIndex], vTracksITSTOFperCollPtEtaCuts[colIndex], nITStrInTimeBin);
histos.fill(HIST("occupancyInTimeBins_nITSTRD_vs_FT0thisCol_kNoCollInTimeRangeNarrow"), dt, vAmpFT0CperColl[colIndex], vTracksITSTRDperCollPtEtaCuts[colIndex], nITStrInTimeBin);
}
if (confFlagManyHeavyHistos) {
histos.fill(HIST("occupancyInTimeBins_occupByFT0_kNoCollInTimeRangeNarrow"), dt, vTracksITS567perCollPtEtaCuts[colIndex], confFlagUseGlobalTracks ? vTracksGlobalPerCollPtEtaCuts[colIndex] : vTracksITSTPCperCollPtEtaCuts[colIndex], nFT0CInTimeBin);
histos.fill(HIST("occupancyInTimeBins_vs_FT0thisCol_occupByFT0_kNoCollInTimeRangeNarrow"), dt, vAmpFT0CperColl[colIndex], confFlagUseGlobalTracks ? vTracksGlobalPerCollPtEtaCuts[colIndex] : vTracksITSTPCperCollPtEtaCuts[colIndex], nFT0CInTimeBin);
Expand All @@ -832,9 +854,9 @@
histos.fill(HIST("histOccupInTimeBinsQA"), dt, counterQAtimeOccupHistos + 1, nITStrInTimeBin);

// QA for high occup in time bins
if (vFlagsForEtaQAvsOccupancyInDeltaTimeWins[colIndex] == 2)

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
histos.fill(HIST("qaForHighOccupITStracksInTimeBinPast"), dt, nITStrInTimeBin);
if (vFlagsForEtaQAvsOccupancyInDeltaTimeWins[colIndex] == 3)

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
histos.fill(HIST("qaForHighOccupITStracksInTimeBinFuture1"), dt, nITStrInTimeBin);
if (vFlagsForEtaQAvsOccupancyInDeltaTimeWins[colIndex] == 4)
histos.fill(HIST("qaForHighOccupITStracksInTimeBinFuture2"), dt, nITStrInTimeBin);
Expand Down
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