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[PWGLF] Add possibility to process MC as Data, saving info #12243

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Merged
fmazzasc merged 1 commit into from
Jul 25, 2025
Merged

[PWGLF] Add possibility to process MC as Data, saving info #12243

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55 changes: 55 additions & 0 deletions PWGLF/TableProducer/Nuspex/nucleiSpectra.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -355,7 +355,7 @@
float dauVtx[3]{0.f, 0.f, 0.f};
auto daughters = particle.daughters_as<aod::McParticles>();
for (const auto& dau : daughters) {
if (abs(dau.pdgCode()) != 22 && abs(dau.pdgCode()) != 11) {

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[pdg/explicit-code] 

Avoid hard-coded PDG codes. Use named values from PDG_t or o2::constants::physics::Pdg instead.

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[std-prefix] 

Use std:: prefix for names from the std namespace.
dauVtx[0] = dau.vx();
dauVtx[1] = dau.vy();
dauVtx[2] = dau.vz();
Expand Down Expand Up @@ -604,7 +604,7 @@
{nuclei::charges[4] * cfgMomentumScalingBetheBloch->get(3u, 0u) / nuclei::masses[4], nuclei::charges[4] * cfgMomentumScalingBetheBloch->get(3u, 1u) / nuclei::masses[4]}};

int nGloTracks[2]{0, 0}, nTOFTracks[2]{0, 0};
for (auto& track : tracks) { // start loop over tracks

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.
if (std::abs(track.eta()) > cfgCutEta ||
track.tpcInnerParam() < cfgCutTpcMom ||
track.itsNCls() < cfgCutNclusITS ||
Expand Down Expand Up @@ -844,7 +844,7 @@
return;
}
fillDataInfo(collision, tracks);
for (auto& c : nuclei::candidates) {

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.
if (c.fillTree) {
nucleiTable(c.pt, c.eta, c.phi, c.tpcInnerParam, c.beta, c.zVertex, c.nContrib, c.DCAxy, c.DCAz, c.TPCsignal, c.ITSchi2, c.TPCchi2, c.TOFchi2, c.flags, c.TPCfindableCls, c.TPCcrossedRows, c.ITSclsMap, c.TPCnCls, c.TPCnClsShared, c.clusterSizesITS);
}
Expand All @@ -856,7 +856,7 @@
}
}
}
for (auto& c : nuclei::candidates_flow) {

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.
nucleiTableFlow(c.centFV0A, c.centFT0M, c.centFT0A, c.centFT0C, c.psiFT0A, c.psiFT0C, c.psiTPC, c.psiTPCl, c.psiTPCr, c.qFT0A, c.qFT0C, c.qTPC, c.qTPCl, c.qTPCr);
}
}
Expand All @@ -873,7 +873,7 @@
return;
}
fillDataInfo(collision, tracks);
for (auto& c : nuclei::candidates) {

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.
if (c.fillTree) {
nucleiTable(c.pt, c.eta, c.phi, c.tpcInnerParam, c.beta, c.zVertex, c.nContrib, c.DCAxy, c.DCAz, c.TPCsignal, c.ITSchi2, c.TPCchi2, c.TOFchi2, c.flags, c.TPCfindableCls, c.TPCcrossedRows, c.ITSclsMap, c.TPCnCls, c.TPCnClsShared, c.clusterSizesITS);
}
Expand All @@ -885,7 +885,7 @@
}
}
}
for (auto& c : nuclei::candidates_flow) {

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.
nucleiTableFlow(c.centFV0A, c.centFT0M, c.centFT0A, c.centFT0C, c.psiFT0A, c.psiFT0C, c.psiTPC, c.psiTPCl, c.psiTPCr, c.qFT0A, c.qFT0C, c.qTPC, c.qTPCl, c.qTPCr);
}
}
Expand All @@ -895,11 +895,11 @@
void processMC(soa::Join<aod::Collisions, aod::EvSels, aod::McCollisionLabels> const& collisions, aod::McCollisions const& mcCollisions, soa::Join<TrackCandidates, aod::McTrackLabels> const& tracks, aod::McParticles const& particlesMC, aod::BCsWithTimestamps const&)
{
nuclei::candidates.clear();
for (auto& c : mcCollisions) {

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.
spectra.fill(HIST("hGenVtxZ"), c.posZ());
}
std::vector<bool> goodCollisions(mcCollisions.size(), false);
for (auto& collision : collisions) {

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.
if (!eventSelection(collision)) {
continue;
}
Expand All @@ -908,7 +908,7 @@
fillDataInfo(collision, slicedTracks);
}
std::vector<bool> isReconstructed(particlesMC.size(), false);
for (auto& c : nuclei::candidates) {

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.
auto label = tracks.iteratorAt(c.globalIndex);
if (label.mcParticleId() < -1 || label.mcParticleId() >= particlesMC.size()) {
continue;
Expand Down Expand Up @@ -1052,6 +1052,61 @@
}

PROCESS_SWITCH(nucleiSpectra, processMatching, "Matching analysis", false);

void processMCasData(soa::Join<aod::Collisions, aod::EvSels, aod::McCollisionLabels> const& collisions, aod::McCollisions const& mcCollisions, soa::Join<TrackCandidates, aod::McTrackLabels> const& tracks, aod::McParticles const& particlesMC, aod::BCsWithTimestamps const&)
{
nuclei::candidates.clear();
std::vector<bool> goodCollisions(mcCollisions.size(), false);
for (auto& collision : collisions) {
if (!eventSelection(collision)) {
continue;
}
goodCollisions[collision.mcCollisionId()] = true;
const auto& slicedTracks = tracks.sliceBy(tracksPerCollisions, collision.globalIndex());
fillDataInfo(collision, slicedTracks);
}
std::vector<bool> isReconstructed(particlesMC.size(), false);
for (size_t i{0}; i < nuclei::candidates.size(); ++i) {
auto& c = nuclei::candidates[i];
if (c.fillTree) {
auto label = tracks.iteratorAt(c.globalIndex);
if (label.mcParticleId() < -1 || label.mcParticleId() >= particlesMC.size()) {
continue;
}
auto particle = particlesMC.iteratorAt(label.mcParticleId());
int motherPdgCode = 0;
float motherDecRadius = -1;
isReconstructed[particle.globalIndex()] = true;
if (particle.isPhysicalPrimary()) {
c.flags |= kIsPhysicalPrimary;
if (particle.has_mothers()) {
for (auto& motherparticle : particle.mothers_as<aod::McParticles>()) {
if (std::find(nuclei::hfMothCodes.begin(), nuclei::hfMothCodes.end(), std::abs(motherparticle.pdgCode())) != nuclei::hfMothCodes.end()) {
c.flags |= kIsSecondaryFromWeakDecay;
motherPdgCode = motherparticle.pdgCode();
motherDecRadius = std::hypot(particle.vx() - motherparticle.vx(), particle.vy() - motherparticle.vy());
break;
}
}
}
} else if (particle.has_mothers()) {
c.flags |= kIsSecondaryFromWeakDecay;
for (auto& motherparticle : particle.mothers_as<aod::McParticles>()) {
motherPdgCode = motherparticle.pdgCode();
motherDecRadius = std::hypot(particle.vx() - motherparticle.vx(), particle.vy() - motherparticle.vy());
}
} else {
c.flags |= kIsSecondaryFromMaterial;
}

isReconstructed[particle.globalIndex()] = true;
float absoDecL = computeAbsoDecL(particle);

nucleiTableMC(c.pt, c.eta, c.phi, c.tpcInnerParam, c.beta, c.zVertex, c.nContrib, c.DCAxy, c.DCAz, c.TPCsignal, c.ITSchi2, c.TPCchi2, c.TOFchi2, c.flags, c.TPCfindableCls, c.TPCcrossedRows, c.ITSclsMap, c.TPCnCls, c.TPCnClsShared, c.clusterSizesITS, goodCollisions[particle.mcCollisionId()], particle.pt(), particle.eta(), particle.phi(), particle.pdgCode(), motherPdgCode, motherDecRadius, absoDecL);
}
}
}
PROCESS_SWITCH(nucleiSpectra, processMCasData, "MC as data analysis", false);
};

WorkflowSpec defineDataProcessing(ConfigContext const& cfgc)
Expand Down
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