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[PWGCF] radialFlowDecorr: no bin labels on profiles and TH3, so merged outputs keep their binning #18483

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Merged
dsarkaralice merged 1 commit into from
Oct 28, 2026
+14 −24
Merged

[PWGCF] radialFlowDecorr: no bin labels on profiles and TH3, so merged outputs keep their binning #18483

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38 changes: 14 additions & 24 deletions PWGCF/EbyEFluctuations/Tasks/radialFlowDecorr.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -1549,13 +1549,9 @@ struct RadialFlowDecorr {
// ===========================================================================
// Histogram declarations
// ===========================================================================
void labelFwdAxis(TAxis* ax) const
{
for (int k = 0; k < nFwd && k < ax->GetNbins(); ++k) {
ax->SetBinLabel(k + 1, fwdLabels[k].c_str());
}
}

// Bin labels only on TH1/TH2 and THnSparse axes: ROOT merges labelled axes by label, which for
// profiles and TH3 extends the axis and sums all bins into a new one, or drops the entries of
// bins with zero content. Their bins are named in the axis title instead.
static void labelAxis(TAxis* ax, const std::vector<const char*>& labels)
{
for (std::size_t i = 0; i < labels.size() && static_cast<int>(i) < ax->GetNbins(); ++i) {
Expand Down Expand Up @@ -1694,10 +1690,8 @@ struct RadialFlowDecorr {
if (hists.fwdChannel) {
return;
}
hists.fwdChannel = histos.add<TProfile2D>("FwdQA/Prof_Channel_qa", ";channel (FT0A 0-95, FT0C 96-207, FV0A 208-255);quantity", kTProfile2D, {{KNChFT0 + KNChFV0, -0.5, KNChFT0 + KNChFV0 - 0.5}, {kNChQA, -0.5, static_cast<double>(kNChQA) - 0.5}});
labelAxis(hists.fwdChannel->GetYaxis(), {"amplitude", "gain-equalised amplitude", "#eta (aligned, vs z_{vtx})"});
hists.fwdChannel = histos.add<TProfile2D>("FwdQA/Prof_Channel_qa", ";channel (FT0A 0-95, FT0C 96-207, FV0A 208-255);quantity (0 amplitude, 1 gain-equalised amplitude, 2 #eta aligned vs z_{vtx})", kTProfile2D, {{KNChFT0 + KNChFV0, -0.5, KNChFT0 + KNChFV0 - 0.5}, {kNChQA, -0.5, static_cast<double>(kNChQA) - 0.5}});
hists.fwdEta = histos.add<TProfile>("FwdQA/Prof_Eta_fwdbin", ";forward bin;amplitude-weighted #LT#eta#GT", kTProfile, {fwdAxis});
labelFwdAxis(hists.fwdEta->GetXaxis());
}

void declareEff(uint32_t mask)
Expand All @@ -1720,8 +1714,7 @@ struct RadialFlowDecorr {
histos.add("etaTruthReco", ";#eta^{MC};#eta^{reco}", kTH2F, {{KNbinsEtaRes, -KEtaFineMax, KEtaFineMax}, {KNbinsEtaRes, -KEtaFineMax, KEtaFineMax}});
histos.add("TruthTracKVz", ";Vz^{MC};Vz^{Reco}", kTH2F, {{KNbinsVz, KVzMin, KVzMax}, {KNbinsVz, KVzMin, KVzMax}});
histos.add("vzResolution", ";Vz^{MC};(Vz^{reco}-Vz^{MC})/Vz^{MC}", kTH2F, {{KNbinsVz, KVzMin, KVzMax}, {100, -0.1, 0.1}});
hists.mcTrackOrigin = histos.add<TH3>("MCQA/Hist3D_Nch_pT_origin", ";N_{ch};p_{T} (GeV/c);origin", kTH3F, {{nchAxisObs}, {KNbinsPtRes, KPtMin, KPtMax}, {kNOrigin, -0.5, static_cast<double>(kNOrigin) - 0.5}});
labelAxis(hists.mcTrackOrigin->GetZaxis(), {"primary", "secondary", "other MC collision", "no label"});
hists.mcTrackOrigin = histos.add<TH3>("MCQA/Hist3D_Nch_pT_origin", ";N_{ch};p_{T} (GeV/c);origin (0 primary, 1 secondary, 2 other MC collision, 3 no label)", kTH3F, {{nchAxisObs}, {KNbinsPtRes, KPtMin, KPtMax}, {kNOrigin, -0.5, static_cast<double>(kNOrigin) - 0.5}});
}

// vertex QA of all MC passes
Expand Down Expand Up @@ -1761,11 +1754,9 @@ struct RadialFlowDecorr {
for (int l = 0; l < nLev; ++l) {
const std::string p = systPrefix(v) + (isMC ? mcDir[l] : std::string{});
auto& h = hists.mean[v][l];
h.mean = r.add<TProfile3D>((p + "Prof_Mean_Nch_etabin_obs").c_str(), ";N_{ch};#eta-bin;observable", kTProfile3D, {{nchAxisOf(v)}, {etaBinAxis}, {kNMeanObs, -0.5, static_cast<double>(kNMeanObs) - 0.5}});
labelAxis(h.mean->GetZaxis(), {"#LT[p_{T}]#GT", "#LT N#GT"});
h.mean = r.add<TProfile3D>((p + "Prof_Mean_Nch_etabin_obs").c_str(), ";N_{ch};#eta-bin;observable (0 #LT[p_{T}]#GT, 1 #LT N#GT)", kTProfile3D, {{nchAxisOf(v)}, {etaBinAxis}, {kNMeanObs, -0.5, static_cast<double>(kNMeanObs) - 0.5}});
if (cfgFwdOpt.cfgFwd) {
h.fwdMean = r.add<TProfile2D>((p + "Prof_FwdAmpMean_Nch_fwdbin").c_str(), ";N_{ch};forward bin;#LT a#GT", kTProfile2D, {{nchAxisOf(v)}, {fwdAxis}});
labelFwdAxis(h.fwdMean->GetYaxis());
}
}
}
Expand All @@ -1777,8 +1768,7 @@ struct RadialFlowDecorr {
{
FlucHists h;
auto n = [&](const char* name) { return p + name + s; };
h.obs = r.add<TProfile3D>(n("Prof_Obs_Nch_etabin_obs").c_str(), ";N_{ch};#eta-bin;observable", kTProfile3D, {{ax}, {etaBinAxis}, {kNFlucObs, -0.5, static_cast<double>(kNFlucObs) - 0.5}});
labelAxis(h.obs->GetZaxis(), {"N", "[p_{T}]", "c_{2}", "c_{3}", "C_{2}^{sub} (mirror)", "C_{3}^{sub} (mirror)"});
h.obs = r.add<TProfile3D>(n("Prof_Obs_Nch_etabin_obs").c_str(), ";N_{ch};#eta-bin;observable (0 N, 1 [p_{T}], 2 c_{2}, 3 c_{3}, 4 C_{2}^{sub} mirror, 5 C_{3}^{sub} mirror)", kTProfile3D, {{ax}, {etaBinAxis}, {kNFlucObs, -0.5, static_cast<double>(kNFlucObs) - 0.5}});
h.c2Sub2D = r.add<TProfile3D>(n("Prof_C2Sub2D_Nch_etaA_etaC").c_str(), ";N_{ch};#eta_{A};#eta_{C}", kTProfile3D, {{ax}, {etaAxis}, {etaAxis}});
h.c3Sub2D = r.add<TProfile3D>(n("Prof_C3Sub2D_Nch_etaA_etaC").c_str(), ";N_{ch};#eta_{A} (pair);#eta_{C} (single)", kTProfile3D, {{ax}, {etaAxis}, {etaAxis}});
if (withGapSum) {
Expand All @@ -1789,9 +1779,6 @@ struct RadialFlowDecorr {
h.fwdVar = r.add<TProfile2D>(n("Prof_FwdAmpVar_Nch_fwdbin").c_str(), ";N_{ch};forward bin;#LT #delta a^{2}#GT", kTProfile2D, {{ax}, {fwdAxis}});
h.covFwdPt = r.add<TProfile3D>(n("Prof_CovFwdAmpMeanpT_Nch_etabin_fwdbin").c_str(), ";N_{ch};#eta-bin;forward bin;#LT #delta[p_{T}] #delta a#GT", kTProfile3D, {{ax}, {etaBinAxis}, {fwdAxis}});
h.covFwdN = r.add<TProfile3D>(n("Prof_CovFwdAmpNch_Nch_etabin_fwdbin").c_str(), ";N_{ch};#eta-bin;forward bin;#LT #delta N #delta a#GT", kTProfile3D, {{ax}, {etaBinAxis}, {fwdAxis}});
labelFwdAxis(h.fwdVar->GetYaxis());
labelFwdAxis(h.covFwdPt->GetZaxis());
labelFwdAxis(h.covFwdN->GetZaxis());
}
return h;
}
Expand Down Expand Up @@ -1842,8 +1829,7 @@ struct RadialFlowDecorr {
declareFwdQA();
}
declareMean(maskAll, true);
histos.add("Prof_Weights_pT_type", ";p_{T};weight", kTProfile2D, {{KNbinsPtRes, KPtMin, KPtMax}, {3, -0.5, 2.5}});
labelAxis(histos.get<TProfile2D>(HIST("Prof_Weights_pT_type"))->GetYaxis(), {"eff", "fake", "w"});
histos.add("Prof_Weights_pT_type", ";p_{T};weight (0 eff, 1 fake, 2 w)", kTProfile2D, {{KNbinsPtRes, KPtMin, KPtMax}, {3, -0.5, 2.5}});
}

void declareMCFlucHists()
Expand All @@ -1870,8 +1856,7 @@ struct RadialFlowDecorr {
declareFwdQA();
}
declareMean(maskAll, false);
histos.add("Prof_Weights_pt_eta_type", ";p_{T} (GeV/c);#eta;weight", kTProfile3D, {{KNbinsPtRes, KPtMin, KPtMax}, {KNbinsEtaFine, -KEtaFineMax, KEtaFineMax}, {3, -0.5, 2.5}});
labelAxis(histos.get<TProfile3D>(HIST("Prof_Weights_pt_eta_type"))->GetZaxis(), {"eff", "fake", "w_{#phi}"});
histos.add("Prof_Weights_pt_eta_type", ";p_{T} (GeV/c);#eta;weight (0 eff, 1 fake, 2 w_{#phi})", kTProfile3D, {{KNbinsPtRes, KPtMin, KPtMax}, {KNbinsEtaFine, -KEtaFineMax, KEtaFineMax}, {3, -0.5, 2.5}});
}

void declareDataFlucHists()
Expand Down Expand Up @@ -2188,6 +2173,11 @@ struct RadialFlowDecorr {
LOGF(fatal, "%d forward bins exceed KNFwdMax=%d", nFwd, KNFwdMax);
}
fwdAxis = AxisSpec{nFwd, -0.5, nFwd - 0.5, "forward bin"};
std::string list;
for (int k = 0; k < nFwd; ++k) {
list += Form("%s%d %s", k > 0 ? ", " : "", k, fwdLabels[k].c_str());
}
LOGF(info, "RadialFlowDecorr forward bins: %s", list.c_str());
}

// ---- variations ----
Expand Down
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