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[PWGLF] CCDB: global call for fMeanNch and fSigmaNch #11257

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Merged
gbencedi merged 1 commit into from
May 20, 2025
Merged

[PWGLF] CCDB: global call for fMeanNch and fSigmaNch #11257

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31 changes: 19 additions & 12 deletions PWGLF/Tasks/GlobalEventProperties/uccZdc.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -156,6 +156,9 @@ struct UccZdc {
HistogramRegistry registry{"registry", {}, OutputObjHandlingPolicy::AnalysisObject, true, true};
Service<ccdb::BasicCCDBManager> ccdb;

TF1* fMeanNch = nullptr;
TF1* fSigmaNch = nullptr;

void init(InitContext const&)
{
// define axes you want to use
Expand Down Expand Up @@ -288,6 +291,21 @@ struct UccZdc {
// This avoids that users can replace objects **while** a train is running
int64_t now = std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch()).count();
ccdb->setCreatedNotAfter(now);
fMeanNch = ccdb->getForTimeStamp<TF1>(paTHmeanNch.value, now);
fSigmaNch = ccdb->getForTimeStamp<TF1>(paTHsigmaNch.value, now);
if (!fMeanNch) {
LOGF(fatal, "fMeanNch object not found!");
}
if (!fSigmaNch) {
LOGF(fatal, "fSigmaNch object not found!");
}

LOG(info) << "\tnow=" << now;
LOG(info) << "\tapplyEff=" << applyEff.value;
LOG(info) << "\tpaTH=" << paTH.value;
LOG(info) << "\tuseMidRapNchSel=" << useMidRapNchSel.value;
LOG(info) << "\tpaTHmeanNch=" << paTHmeanNch.value;
LOG(info) << "\tpaTHsigmaNch=" << paTHsigmaNch.value;
}

template <typename CheckCol>
Expand Down Expand Up @@ -461,12 +479,6 @@ struct UccZdc {

// Nch-based selection
if (useMidRapNchSel) {
auto fMeanNch = ccdb->getForRun<TF1>(paTHmeanNch.value, foundBC.runNumber());
auto fSigmaNch = ccdb->getForRun<TF1>(paTHsigmaNch.value, foundBC.runNumber());
if (!fMeanNch || !fSigmaNch) {
return;
}

const double meanNch{fMeanNch->Eval(normT0M)};
const double sigmaNch{fSigmaNch->Eval(normT0M)};
const double nSigmaSelection{nSigmaNchCut * sigmaNch};
Expand Down Expand Up @@ -605,13 +617,8 @@ struct UccZdc {
glbTracks++;
}

// Nch-based selection
if (useMidRapNchSel) {
auto fMeanNch = ccdb->getForRun<TF1>(paTHmeanNch.value, foundBC.runNumber());
auto fSigmaNch = ccdb->getForRun<TF1>(paTHsigmaNch.value, foundBC.runNumber());
if (!fMeanNch || !fSigmaNch) {
return;
}

const double meanNch{fMeanNch->Eval(normT0M)};
const double sigmaNch{fSigmaNch->Eval(normT0M)};
const double nSigmaSelection{nSigmaNchCut * sigmaNch};
Expand Down
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