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Merged
victor-gonzalez merged 3 commits into from
Nov 6, 2025
Merged

[PWGCF] adding sp method #13706

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d70ab87
adding sp method
jikim1290 Nov 5, 2025
d598380
Please consider the following formatting changes
alibuild Nov 5, 2025
2c28f48
Merge pull request #167 from alibuild/alibot-cleanup-13706
jikim1290 Nov 5, 2025
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50 changes: 39 additions & 11 deletions PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// Copyright 2019-2020 CERN and copyright holders of ALICE O2.

Check failure on line 1 in PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx

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[name/workflow-file] 

Name of a workflow file must match the name of the main struct in it (without the PWG prefix). (Class implementation files should be in "Core" directories.)
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
Expand Down Expand Up @@ -65,7 +65,7 @@

Configurable<bool> cfgShiftCorr{"cfgShiftCorr", false, "additional shift correction"};
Configurable<std::string> cfgShiftPath{"cfgShiftPath", "Users/j/junlee/Qvector/QvecCalib/Shift", "Path for Shift"};
Configurable<bool> cfgSPmethod{"cfgSPmethod", false, "flag for scalar product"};
Configurable<float> cfgVertexZ{"cfgVertexZ", 10.0, "Maximum vertex Z selection"};

Configurable<std::string> cfgDetName{"cfgDetName", "FT0C", "The name of detector to be analyzed"};
Configurable<std::string> cfgRefAName{"cfgRefAName", "TPCPos", "The name of detector for reference A"};
Expand All @@ -74,6 +74,7 @@
ConfigurableAxis cfgAxisCent{"cfgAxisCent", {100, 0, 100}, ""};
ConfigurableAxis cfgAxisPt{"cfgAxisPt", {VARIABLE_WIDTH, 0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2.0, 2.2, 2.4, 2.6, 2.8, 3.0, 3.2, 3.5, 4.0, 4.5, 5.0, 6.0, 7.0, 8.0, 10.0, 12.0, 15.0, 30.0, 50.0, 70.0, 100.0}, ""};
ConfigurableAxis cfgAxisCos{"cfgAxisCos", {102, -1.02, 1.02}, ""};
ConfigurableAxis cfgAxisQvec{"cfgAxisQvec", {200, -5.0, 5.0}, ""};

Filter trackFilter = (aod::track::pt > cfgTrackCuts.cfgPtMin) && (nabs(aod::track::eta) < cfgTrackCuts.cfgEtaMax);

Expand Down Expand Up @@ -123,6 +124,7 @@
AxisSpec axisCent{cfgAxisCent, "cent"};
AxisSpec axisPt{cfgAxisPt, "pT"};
AxisSpec axisCos{cfgAxisCos, "cos"};
AxisSpec axisQvec{cfgAxisQvec, "Qvec"};

epFlowHistograms.add("EpDet", "", {HistType::kTH3F, {axisMod, axisCent, axisEvtPl}});
epFlowHistograms.add("EpRefA", "", {HistType::kTH3F, {axisMod, axisCent, axisEvtPl}});
Expand All @@ -135,13 +137,25 @@
epFlowHistograms.add("vncos", "", {HistType::kTHnSparseF, {axisMod, axisCent, axisPt, axisCos}});
epFlowHistograms.add("vnsin", "", {HistType::kTHnSparseF, {axisMod, axisCent, axisPt, axisCos}});

epFlowHistograms.add("EpResQvecDetRefAxx", "", {HistType::kTH3F, {axisMod, axisCent, axisQvec}});
epFlowHistograms.add("EpResQvecDetRefAxy", "", {HistType::kTH3F, {axisMod, axisCent, axisQvec}});
epFlowHistograms.add("EpResQvecDetRefBxx", "", {HistType::kTH3F, {axisMod, axisCent, axisQvec}});
epFlowHistograms.add("EpResQvecDetRefBxy", "", {HistType::kTH3F, {axisMod, axisCent, axisQvec}});
epFlowHistograms.add("EpResQvecRefARefBxx", "", {HistType::kTH3F, {axisMod, axisCent, axisQvec}});
epFlowHistograms.add("EpResQvecRefARefBxy", "", {HistType::kTH3F, {axisMod, axisCent, axisQvec}});

epFlowHistograms.add("SPvnxx", "", {HistType::kTHnSparseF, {axisMod, axisCent, axisPt, axisQvec}});
epFlowHistograms.add("SPvnxy", "", {HistType::kTHnSparseF, {axisMod, axisCent, axisPt, axisQvec}});

epFlowHistograms.add("hCentrality", "", {HistType::kTH1F, {axisCent}});
epFlowHistograms.add("hVertex", "", {HistType::kTH1F, {axisVertex}});
}

void process(MyCollisions::iterator const& coll, soa::Filtered<MyTracks> const& tracks, aod::BCsWithTimestamps const&)
{
if (cfgAddEvtSel) {
if (std::abs(coll.posZ()) > cfgVertexZ)
return;
switch (cfgEvtSel) {
case 0: // Sel8
if (!coll.sel8())
Expand Down Expand Up @@ -172,6 +186,8 @@
epFlowHistograms.fill(HIST("hCentrality"), cent);
epFlowHistograms.fill(HIST("hVertex"), coll.posZ());
float eps[3] = {0.};
float qx_shifted[3] = {0.};
float qy_shifted[3] = {0.};

if (cfgShiftCorr) {
auto bc = coll.bc_as<aod::BCsWithTimestamps>();
Expand All @@ -189,7 +205,7 @@
}
}

if (coll.qvecAmp()[detId] < 1e-5 || coll.qvecAmp()[refAId] < 1e-5 || coll.qvecAmp()[refBId] < 1e-5)

Check failure on line 208 in PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx

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[magic-number] 

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

for (int i = 0; i < cfgnMode; i++) { // loop over different harmonic orders
Expand Down Expand Up @@ -222,10 +238,14 @@
eps[0] += deltapsiDet;
eps[1] += deltapsiRefA;
eps[2] += deltapsiRefB;
}

if (cfgSPmethod)
weight *= std::sqrt(std::pow(coll.qvecRe()[4 * detId + harmInd], 2) + std::pow(coll.qvecIm()[4 * detId + harmInd], 2));
qx_shifted[0] = coll.qvecRe()[4 * detId + harmInd] * TMath::Cos(deltapsiDet) - coll.qvecIm()[4 * detId + harmInd] * TMath::Sin(deltapsiDet);
qy_shifted[0] = coll.qvecRe()[4 * detId + harmInd] * TMath::Sin(deltapsiDet) + coll.qvecIm()[4 * detId + harmInd] * TMath::Cos(deltapsiDet);
qx_shifted[1] = coll.qvecRe()[4 * refAId + harmInd] * TMath::Cos(deltapsiRefA) - coll.qvecIm()[4 * refAId + harmInd] * TMath::Sin(deltapsiRefA);
qy_shifted[1] = coll.qvecRe()[4 * refAId + harmInd] * TMath::Sin(deltapsiRefA) + coll.qvecIm()[4 * refAId + harmInd] * TMath::Cos(deltapsiRefA);
qx_shifted[2] = coll.qvecRe()[4 * refBId + harmInd] * TMath::Cos(deltapsiRefB) - coll.qvecIm()[4 * refBId + harmInd] * TMath::Sin(deltapsiRefB);
qy_shifted[2] = coll.qvecRe()[4 * refBId + harmInd] * TMath::Sin(deltapsiRefB) + coll.qvecIm()[4 * refBId + harmInd] * TMath::Cos(deltapsiRefB);
}

float resNumA = helperEP.GetResolution(eps[0], eps[1], i + 2);
float resNumB = helperEP.GetResolution(eps[0], eps[2], i + 2);
Expand All @@ -239,14 +259,22 @@
epFlowHistograms.fill(HIST("EpResDetRefB"), i + 2, cent, resNumB);
epFlowHistograms.fill(HIST("EpResRefARefB"), i + 2, cent, resDenom);

for (int j = 0; j < cfgnMode; j++) { // loop over detectors used
for (const auto& track : tracks) {
float vn = std::cos((i + 2) * (track.phi() - eps[j]));
float vnSin = std::sin((i + 2) * (track.phi() - eps[j]));
epFlowHistograms.fill(HIST("EpResQvecDetRefAxx"), i + 2, cent, qx_shifted[0] * qx_shifted[1] + qy_shifted[0] * qy_shifted[1]);
epFlowHistograms.fill(HIST("EpResQvecDetRefAxy"), i + 2, cent, qx_shifted[1] * qy_shifted[0] - qx_shifted[0] * qy_shifted[1]);
epFlowHistograms.fill(HIST("EpResQvecDetRefBxx"), i + 2, cent, qx_shifted[0] * qx_shifted[2] + qy_shifted[0] * qy_shifted[2]);
epFlowHistograms.fill(HIST("EpResQvecDetRefBxy"), i + 2, cent, qx_shifted[2] * qy_shifted[0] - qx_shifted[0] * qy_shifted[2]);
epFlowHistograms.fill(HIST("EpResQvecRefARefAxx"), i + 2, cent, qx_shifted[1] * qx_shifted[2] + qy_shifted[1] * qy_shifted[2]);
epFlowHistograms.fill(HIST("EpResQvecRefARefAxy"), i + 2, cent, qx_shifted[2] * qy_shifted[1] - qx_shifted[1] * qy_shifted[2]);

epFlowHistograms.fill(HIST("vncos"), i + 2, cent, track.pt(), vn * weight);
epFlowHistograms.fill(HIST("vnsin"), i + 2, cent, track.pt(), vnSin * weight);
}
for (const auto& track : tracks) {
float vn = std::cos((i + 2) * (track.phi() - eps[0]));
float vnSin = std::sin((i + 2) * (track.phi() - eps[0]));

epFlowHistograms.fill(HIST("vncos"), i + 2, cent, track.pt(), vn * weight);
epFlowHistograms.fill(HIST("vnsin"), i + 2, cent, track.pt(), vnSin * weight);

epFlowHistograms.fill(HIST("SPvnxx"), i + 2, cent, track.pt(), (TMath::Cos(track.phi()) * qx_shifted[0] + TMath::Sin(track.phi()) * qy_shifted[0]) * weight);
epFlowHistograms.fill(HIST("SPvnxy"), i + 2, cent, track.pt(), (TMath::Sin(track.phi()) * qx_shifted[0] - TMath::Cos(track.phi()) * qy_shifted[0]) * weight);
}
}
}
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