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[PWGLF] MC Centralty: allow to turn on and off FT0M #16236

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[PWGLF] MC Centralty: allow to turn on and off FT0M #16236

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56fb255
Changed to include FT0C
BanajitBarman May 13, 2026
78db3ce
Refactor McCentrality to include additional produces
njacazio May 13, 2026
1234d5a
Add missing TH1.h include to mcCentrality.cxx
njacazio May 13, 2026
d6cb947
Refactor FT0M, FT0A, and FT0C centrality calculations
njacazio May 13, 2026
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39 changes: 23 additions & 16 deletions PWGLF/TableProducer/Common/mcCentrality.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@
#include <Framework/OutputObjHeader.h>
#include <Framework/runDataProcessing.h>

#include <TFile.h>
#include <TH1.h>

#include <chrono>
Expand Down Expand Up @@ -64,6 +65,7 @@ struct McCentrality {
Service<o2::framework::O2DatabasePDG> pdgDB;
ConfigurableAxis binsPercentile{"binsPercentile", {VARIABLE_WIDTH, 0, 0.001, 0.01, 1.0, 5.0, 10.0, 15.0, 20.0, 25.0, 30.0, 40.0, 50.0, 60.0, 70.0, 80.0, 90.0, 100.0}, "Binning of the percentile axis"};
ConfigurableAxis binsMultiplicity{"binsMultiplicity", {1000, 0, 5000}, "Binning of the multiplicity axis"};
Configurable<bool> fillFt0M{"fillFt0M", true, "Fills the FT0M histogram"};
Configurable<bool> fillFt0A{"fillFt0A", false, "Fills the FT0A histogram"};
Configurable<bool> fillFt0C{"fillFt0C", false, "Fills the FT0C histogram"};
Configurable<bool> doNotCrashOnNull{"doNotCrashOnNull", false, "If ccdb object does not exist, fill with dummy values"};
Expand All @@ -89,8 +91,11 @@ struct McCentrality {

mCounter.mPdgDatabase = pdgDB.service;
mCounter.mSelectPrimaries = selectPrimaries.value;
histos.add("FT0M/percentile", "FT0M percentile.", HistType::kTH1D, {{binsPercentile, "FT0M percentile"}});
histos.add("FT0M/percentilevsMult", "FT0M percentile.", HistType::kTH2D, {{binsPercentile, "FT0M percentile"}, {binsMultiplicity, "FT0M mult."}});

if (fillFt0M) {
histos.add("FT0M/percentile", "FT0M percentile.", HistType::kTH1D, {{binsPercentile, "FT0M percentile"}});
histos.add("FT0M/percentilevsMult", "FT0M percentile.", HistType::kTH2D, {{binsPercentile, "FT0M percentile"}, {binsMultiplicity, "FT0M mult."}});
}
if (fillFt0A) {
histos.add("FT0A/percentile", "FT0A percentile.", HistType::kTH1D, {{binsPercentile, "FT0A percentile"}});
histos.add("FT0A/percentilevsMult", "FT0A percentile.", HistType::kTH2D, {{binsPercentile, "FT0A percentile"}, {binsMultiplicity, "FT0A mult."}});
Expand Down Expand Up @@ -139,9 +144,12 @@ struct McCentrality {
LOG(fatal) << "Could not open histogram " << name << " from TList";
}
}
hist->SetDirectory(0);
return hist;
};
h1dFT0M = getHist("h1dFT0M");
if (fillFt0M) {
h1dFT0M = getHist("h1dFT0M");
}
if (fillFt0A) {
h1dFT0A = getHist("h1dFT0A");
}
Expand All @@ -159,27 +167,26 @@ struct McCentrality {
const float nFT0M = nFT0A + nFT0C;
// const float nFV0A = mCounter.countFV0A(mcParticles);

float valueCentFT0M = 105.0f;
if (h1dFT0M)
valueCentFT0M = h1dFT0M->GetBinContent(h1dFT0M->FindBin(nFT0M));
if (fillFt0M) {
const float valueCentFT0M = h1dFT0M ? h1dFT0M->GetBinContent(h1dFT0M->FindBin(nFT0M)) : 105.0f;
centFT0M(valueCentFT0M);
histos.fill(HIST("FT0M/percentile"), valueCentFT0M);
histos.fill(HIST("FT0M/percentilevsMult"), valueCentFT0M, nFT0M);
}
if (fillFt0A) {
float valueCentFT0A = 105.0f;
if (h1dFT0A)
valueCentFT0A = h1dFT0A->GetBinContent(h1dFT0A->FindBin(nFT0A));
const float valueCentFT0A = h1dFT0A ? h1dFT0A->GetBinContent(h1dFT0A->FindBin(nFT0A)) : 105.0f;
centFT0A(valueCentFT0A);
histos.fill(HIST("FT0A/percentile"), valueCentFT0A);
histos.fill(HIST("FT0A/percentilevsMult"), valueCentFT0A, nFT0A);
}
if (fillFt0C) {
float valueCentFT0C = 105.0f;
if (h1dFT0C)
valueCentFT0C = h1dFT0C->GetBinContent(h1dFT0C->FindBin(nFT0C));
const float valueCentFT0C = h1dFT0C ? h1dFT0C->GetBinContent(h1dFT0C->FindBin(nFT0C)) : 105.0f;
centFT0C(valueCentFT0C);
histos.fill(HIST("FT0C/percentile"), valueCentFT0C);
histos.fill(HIST("FT0C/percentilevsMult"), valueCentFT0C, nFT0C);
}
// const float valueCentFV0A = h1dFT0M->GetBinContent(h1dFT0M->FindBin(nFV0A));

centFT0M(valueCentFT0M);
// centFV0A(valueCentFV0A);
histos.fill(HIST("FT0M/percentile"), valueCentFT0M);
histos.fill(HIST("FT0M/percentilevsMult"), valueCentFT0M, nFT0M);
}
};

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