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[PWGDQ] Adding the histograms with v2 computed with TPCpos and TPCneg #16420

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Merged
lucamicheletti93 merged 1 commit into from
May 27, 2026
+20 −0
Merged

[PWGDQ] Adding the histograms with v2 computed with TPCpos and TPCneg #16420

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10 changes: 10 additions & 0 deletions PWGDQ/Core/HistogramsLibrary.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -1805,6 +1805,16 @@
hm->AddHistogram(histClass, "Mass_Lxyz", "", false, 250, 0.0, 5.0, VarManager::kMass, 1000, 0.0, 5, VarManager::kVertexingLxyz);
hm->AddHistogram(histClass, "Mass_OpeningAngle", "", false, 250, 0.0, 5.0, VarManager::kMass, 800, 0, 0.8, VarManager::kOpeningAngle);
}
if (subGroupStr.Contains("flow-pos-neg-dimuon")) {
int varV2POS[6] = {VarManager::kMass, VarManager::kPt, VarManager::kRap, VarManager::kCentFT0C, VarManager::kU2Q2POS, VarManager::kCos2DeltaPhiPOS};
int varV2NEG[6] = {VarManager::kMass, VarManager::kPt, VarManager::kRap, VarManager::kCentFT0C, VarManager::kU2Q2NEG, VarManager::kCos2DeltaPhiNEG};

int bins[6] = {250, 60, 6, 18, 200, 40};
double minBins[6] = {0.0, 0.0, 2.5, 0.0, -10.0, -2.0};
double maxBins[6] = {5.0, 30.0, 4.0, 90.0, 10.0, 2.0};
hm->AddHistogram(histClass, "Mass_Pt_centrFT0C_V2POS", "", 6, varV2POS, bins, minBins, maxBins, 0, -1, kTRUE);
hm->AddHistogram(histClass, "Mass_Pt_centrFT0C_V2NEG", "", 6, varV2NEG, bins, minBins, maxBins, 0, -1, kTRUE);
}
if (subGroupStr.Contains("flow-dimuon-high-mass")) {
int varV2[6] = {VarManager::kMass, VarManager::kPt, VarManager::kRap, VarManager::kCentFT0C, VarManager::kU2Q2, VarManager::kCos2DeltaPhi};

Expand Down Expand Up @@ -2428,7 +2438,7 @@
LOG(fatal) << "histClass field should be an array of strings, e.g. [class1, class2]";
return false;
}
for (auto& v : hist->FindMember("histClass")->value.GetArray()) {

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[const-ref-in-for-loop] 

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if (!v.IsString()) {
LOG(fatal) << "histClass field should be an array of strings, e.g. [class1, class2]";
return false;
Expand Down Expand Up @@ -2584,7 +2594,7 @@
}
}
if (isTHn) {
for (auto& v : hist->FindMember("vars")->value.GetArray()) {

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if (VarManager::fgVarNamesMap.find(v.GetString()) == VarManager::fgVarNamesMap.end()) {
LOG(fatal) << "Bad variable in vars (" << v.GetString() << ") specified for histogram";
return false;
Expand Down Expand Up @@ -2647,7 +2657,7 @@

// create an array of strings to store the different histogram classes
std::vector<const char*> histClasses;
for (auto& v : hist.FindMember("histClass")->value.GetArray()) {

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histClasses.push_back(v.GetString());
}
const char* title = hist.FindMember("title")->value.GetString();
Expand All @@ -2658,7 +2668,7 @@

int* vars = new int[nDimensions];
int iDim = 0;
for (auto& v : hist.FindMember("vars")->value.GetArray()) {

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LOG(debug) << "iDim " << iDim << ": " << v.GetString();
vars[iDim++] = VarManager::fgVarNamesMap[v.GetString()];
}
Expand All @@ -2672,27 +2682,27 @@
xmin = new double[nDimensions];
xmax = new double[nDimensions];
int iDim = 0;
for (auto& v : hist.FindMember("nBins")->value.GetArray()) {

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nBins[iDim++] = v.GetInt();
LOG(debug) << "nBins " << iDim << ": " << nBins[iDim - 1];
}
iDim = 0;
for (auto& v : hist.FindMember("xmin")->value.GetArray()) {

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xmin[iDim++] = v.GetDouble();
LOG(debug) << "xmin " << iDim << ": " << xmin[iDim - 1];
}
iDim = 0;
for (auto& v : hist.FindMember("xmax")->value.GetArray()) {

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xmax[iDim++] = v.GetDouble();
LOG(debug) << "xmax " << iDim << ": " << xmax[iDim - 1];
}
} else {
int iDim = 0;
binLimits = new TArrayD[nDimensions];
for (auto& v : hist.FindMember("binLimits")->value.GetArray()) {

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double* lims = new double[v.GetArray().Size()];
int iElem = 0;
for (auto& lim : v.GetArray()) {

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lims[iElem++] = lim.GetDouble();
}
binLimits[iDim++] = TArrayD(v.GetArray().Size(), lims);
Expand All @@ -2703,7 +2713,7 @@
if (hist.HasMember("axLabels")) {
axLabels = new TString[hist.FindMember("axLabels")->value.GetArray().Size()];
int iDim = 0;
for (auto& v : hist.FindMember("axLabels")->value.GetArray()) {

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axLabels[iDim++] = v.GetString();
}
}
Expand Down
10 changes: 10 additions & 0 deletions PWGDQ/Core/VarManager.h
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Original file line number Diff line number Diff line change
Expand Up @@ -822,6 +822,8 @@ class VarManager : public TObject
kWV2SP,
kWV2EP,
kU2Q2,
kU2Q2POS,
kU2Q2NEG,
kU3Q3,
kQ42XA,
kQ42YA,
Expand Down Expand Up @@ -906,6 +908,8 @@ class VarManager : public TObject
kPsi2C,
kRandomPsi2,
kCos2DeltaPhi,
kCos2DeltaPhiPOS,
kCos2DeltaPhiNEG,
kCos2DeltaPhiMu1, // cos(phi - phi1) for muon1
kCos2DeltaPhiMu2, ////cos(phi - phi2) for muon2
kCos3DeltaPhi,
Expand Down Expand Up @@ -5751,19 +5755,25 @@ void VarManager::FillPairVn(T1 const& t1, T2 const& t2, float* values)
// Compute the scalar product UQ using Q-vector from A, for second and third harmonic
// Dilepton vn could be accessible after dividing this product with the R factor
values[kU2Q2] = values[kQ2X0A] * TMath::Cos(2 * v12.Phi()) + values[kQ2Y0A] * TMath::Sin(2 * v12.Phi());
values[kU2Q2POS] = values[kQ2X0APOS] * TMath::Cos(2 * v12.Phi()) + values[kQ2Y0APOS] * TMath::Sin(2 * v12.Phi());
values[kU2Q2NEG] = values[kQ2X0ANEG] * TMath::Cos(2 * v12.Phi()) + values[kQ2Y0ANEG] * TMath::Sin(2 * v12.Phi());
values[kU3Q3] = values[kQ3X0A] * TMath::Cos(3 * v12.Phi()) + values[kQ3Y0A] * TMath::Sin(3 * v12.Phi());
values[kR2SP_AB] = (values[kQ2X0A] * values[kQ2X0B] + values[kQ2Y0A] * values[kQ2Y0B]);
values[kR2SP_AC] = (values[kQ2X0A] * values[kQ2X0C] + values[kQ2Y0A] * values[kQ2Y0C]);
values[kR2SP_BC] = (values[kQ2X0B] * values[kQ2X0C] + values[kQ2Y0B] * values[kQ2Y0C]);
values[kR3SP] = (values[kQ3X0B] * values[kQ3X0C] + values[kQ3Y0B] * values[kQ3Y0C]);

float Psi2A = getEventPlane(2, values[kQ2X0A], values[kQ2Y0A]);
float Psi2APOS = getEventPlane(2, values[kQ2X0APOS], values[kQ2Y0APOS]);
float Psi2ANEG = getEventPlane(2, values[kQ2X0ANEG], values[kQ2Y0ANEG]);
float Psi3A = getEventPlane(3, values[kQ3X0A], values[kQ3Y0A]);
float Psi2B = getEventPlane(2, values[kQ2X0B], values[kQ2Y0B]);
float Psi3B = getEventPlane(3, values[kQ3X0B], values[kQ3Y0B]);
float Psi2C = getEventPlane(2, values[kQ2X0C], values[kQ2Y0C]);
float Psi3C = getEventPlane(3, values[kQ3X0C], values[kQ3Y0C]);
values[kCos2DeltaPhi] = TMath::Cos(2 * (v12.Phi() - Psi2A));
values[kCos2DeltaPhiPOS] = TMath::Cos(2 * (v12.Phi() - Psi2APOS));
values[kCos2DeltaPhiNEG] = TMath::Cos(2 * (v12.Phi() - Psi2ANEG));
values[kCos3DeltaPhi] = TMath::Cos(3 * (v12.Phi() - Psi3A));
values[kR2EP_AB] = TMath::Cos(2 * (Psi2A - Psi2B));
values[kR2EP_AC] = TMath::Cos(2 * (Psi2A - Psi2C));
Expand Down
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