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Merged
shahor02 merged 1 commit into from
Jun 20, 2025
Merged

Add more info to MCStudy w-flow #14428

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2 changes: 2 additions & 0 deletions Detectors/GlobalTrackingWorkflow/study/include/GlobalTrackingStudy/TrackMCStudyConfig.h
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,8 @@ struct TrackMCStudyConfig : o2::conf::ConfigurableParamHelper<TrackMCStudyConfig
bool requireITSorTPCTrackRefs = true;
bool requireTopBottomRefs = false;
int minTPCRefsToExtractClRes = 2;
int nOccBinsDrift = 10; // number of bins for TPC max drift time, where we integrate the occupancies
int nTBPerOccBin = 48; // number of TB per occ bin
float rejectClustersResStat = 0.1;
float maxTPCRefExtrap = 2; // max dX to extrapolate the track ref when extrapolating track true posions
int decayPDG[5] = {310, 3122, 411, 421, -1}; // decays to study, must end by -1
Expand Down
25 changes: 21 additions & 4 deletions Detectors/GlobalTrackingWorkflow/study/include/GlobalTrackingStudy/TrackMCStudyTypes.h
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Expand Up @@ -32,7 +32,7 @@ struct MCTrackInfo {
int getNITSClusForAB() const;
int getLowestITSLayer() const;
int getHighestITSLayer() const;

std::vector<float> occTPCV{};
o2::track::TrackPar track{};
o2::MCCompLabel label{};
float occTPC = -1.f;
Expand All @@ -52,8 +52,24 @@ struct MCTrackInfo {
uint8_t maxTPCRowSect = -1;
int8_t nITSCl = 0;
int8_t pattITSCl = 0;
bool addedAtRecStage = false;
ClassDefNV(MCTrackInfo, 5);
uint8_t flags = 0;

enum Flags : uint32_t { Primary = 0,
AddedAtRecStage = 2,
BitMask = 0xff };

bool isPrimary() const { return isBitSet(Primary); }
bool isAddedAtRecStage() const { return isBitSet(AddedAtRecStage); }
void setPrimary() { setBit(Primary); }
void setAddedAtRecStage() { setBit(AddedAtRecStage); }

uint8_t getBits() const { return flags; }
bool isBitSet(int bit) const { return flags & (0xff & (0x1 << bit)); }
void setBits(std::uint8_t b) { flags = b; }
void setBit(int bit) { flags |= BitMask & (0x1 << bit); }
void resetBit(int bit) { flags &= ~(BitMask & (0x1 << bit)); }

ClassDefNV(MCTrackInfo, 7);
};

struct RecTrack {
Expand Down Expand Up @@ -272,7 +288,8 @@ struct MCVertex {
int nTrackSel = 0; // number of selected MC charged tracks
int ID = -1;
std::vector<RecPV> recVtx{};
ClassDefNV(MCVertex, 1);
std::vector<float> occTPCV{};
ClassDefNV(MCVertex, 2);
};

} // namespace o2::trackstudy
Expand Down
48 changes: 35 additions & 13 deletions Detectors/GlobalTrackingWorkflow/study/src/TrackMCStudy.cxx
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Expand Up @@ -109,7 +109,7 @@ class TrackMCStudy : public Task
void updateTimeDependentParams(ProcessingContext& pc);
float getDCAYCut(float pt) const;

gsl::span<const MCTrack> mCurrMCTracks;
const std::vector<o2::MCTrack>* mCurrMCTracks = nullptr;
TVector3 mCurrMCVertex;
o2::tpc::VDriftHelper mTPCVDriftHelper{};
o2::tpc::CorrectionMapsLoader mTPCCorrMapsLoader{};
Expand All @@ -124,7 +124,7 @@ class TrackMCStudy : public Task
bool mCheckSV = false; //< check SV binding (apart from prongs availability)
bool mRecProcStage = false; //< flag that the MC particle was added only at the stage of reco tracks processing
int mNTPCOccBinLength = 0; ///< TPC occ. histo bin length in TBs
float mNTPCOccBinLengthInv;
float mNTPCOccBinLengthInv = -1.f;
int mVerbose = 0;
float mITSTimeBiasMUS = 0.f;
float mITSROFrameLengthMUS = 0.f; ///< ITS RO frame in mus
Expand Down Expand Up @@ -182,7 +182,7 @@ void TrackMCStudy::run(ProcessingContext& pc)
}
mDecProdLblPool.clear();
mMCVtVec.clear();
mCurrMCTracks = {};
mCurrMCTracks = nullptr;

recoData.collectData(pc, *mDataRequest.get()); // select tracks of needed type, with minimal cuts, the real selected will be done in the vertexer
updateTimeDependentParams(pc); // Make sure this is called after recoData.collectData, which may load some conditions
Expand Down Expand Up @@ -346,6 +346,21 @@ void TrackMCStudy::process(const o2::globaltracking::RecoContainer& recoData)
}
break;
}
if (mNTPCOccBinLengthInv > 0.f) {
mcVtx.occTPCV.resize(params.nOccBinsDrift);
int grp = TMath::Max(1, TMath::Nint(params.nTBPerOccBin * mNTPCOccBinLengthInv));
for (int ib = 0; ib < params.nOccBinsDrift; ib++) {
float smb = 0;
int tbs = occBin + TMath::Nint(ib * params.nTBPerOccBin * mNTPCOccBinLengthInv);
for (int ig = 0; ig < grp; ig++) {
if (tbs >= 0 && tbs < int(mTBinClOccHist.size())) {
smb += mTBinClOccHist[tbs];
}
tbs++;
}
mcVtx.occTPCV[ib] = smb;
}
}
if (rofCount >= ITSClusROFRec.size()) {
mITSOcc.push_back(0); // IR after the last ROF
}
Expand All @@ -362,13 +377,15 @@ void TrackMCStudy::process(const o2::globaltracking::RecoContainer& recoData)
if (nev != (int)mMCVtVec.size()) {
LOGP(debug, "source {} has {} events while {} MC vertices were booked", curSrcMC, nev, mMCVtVec.size());
okAccVtx = false;
if (nev > (int)mMCVtVec.size()) { // QED
continue;
}
}
for (curEvMC = 0; curEvMC < nev; curEvMC++) {
if (mVerbose > 1) {
LOGP(info, "Event {}", curEvMC);
}
const auto& mt = mcReader.getTracks(curSrcMC, curEvMC);
mCurrMCTracks = gsl::span<const MCTrack>(mt.data(), mt.size());
mCurrMCTracks = &mcReader.getTracks(curSrcMC, curEvMC);
const_cast<o2::dataformats::MCEventHeader&>(mcReader.getMCEventHeader(curSrcMC, curEvMC)).GetVertex(mCurrMCVertex);
if (okAccVtx) {
auto& pos = mMCVtVec[curEvMC].pos;
Expand All @@ -378,7 +395,7 @@ void TrackMCStudy::process(const o2::globaltracking::RecoContainer& recoData)
pos[2] = mCurrMCVertex.Z();
}
}
for (int itr = 0; itr < mCurrMCTracks.size(); itr++) {
for (int itr = 0; itr < mCurrMCTracks->size(); itr++) {
processMCParticle(curSrcMC, curEvMC, itr);
}
}
Expand Down Expand Up @@ -425,11 +442,10 @@ void TrackMCStudy::process(const o2::globaltracking::RecoContainer& recoData)
if (lbl.getSourceID() != curSrcMC || lbl.getEventID() != curEvMC) {
curSrcMC = lbl.getSourceID();
curEvMC = lbl.getEventID();
const auto& mt = mcReader.getTracks(curSrcMC, curEvMC);
mCurrMCTracks = gsl::span<const MCTrack>(mt.data(), mt.size());
mCurrMCTracks = &mcReader.getTracks(curSrcMC, curEvMC);
const_cast<o2::dataformats::MCEventHeader&>(mcReader.getMCEventHeader(curSrcMC, curEvMC)).GetVertex(mCurrMCVertex);
}
if (!acceptMCCharged(mCurrMCTracks[lbl.getTrackID()], lbl)) {
if (!acceptMCCharged((*mCurrMCTracks)[lbl.getTrackID()], lbl)) {
continue;
}
entry = mSelMCTracks.find(lbl);
Expand Down Expand Up @@ -977,7 +993,7 @@ float TrackMCStudy::getDCAYCut(float pt) const

bool TrackMCStudy::processMCParticle(int src, int ev, int trid)
{
const auto& mcPart = mCurrMCTracks[trid];
const auto& mcPart = (*mCurrMCTracks)[trid];
int pdg = mcPart.GetPdgCode();
bool res = false;
while (true) {
Expand All @@ -999,7 +1015,7 @@ bool TrackMCStudy::processMCParticle(int src, int ev, int trid)
break;
}
for (int idd = idd0; idd <= idd1; idd++) {
const auto& product = mCurrMCTracks[idd];
const auto& product = (*mCurrMCTracks)[idd];
auto lbld = o2::MCCompLabel(idd, ev, src);
if (!acceptMCCharged(product, lbld, decay)) {
decay = -1; // discard decay
Expand Down Expand Up @@ -1097,11 +1113,17 @@ bool TrackMCStudy::addMCParticle(const MCTrack& mcPart, const o2::MCCompLabel& l
mcEntry.mcTrackInfo.bcInTF = mIntBC[lb.getEventID()];
mcEntry.mcTrackInfo.occTPC = mTPCOcc[lb.getEventID()];
mcEntry.mcTrackInfo.occITS = mITSOcc[lb.getEventID()];
mcEntry.mcTrackInfo.addedAtRecStage = mRecProcStage;
mcEntry.mcTrackInfo.occTPCV = mMCVtVec[lb.getEventID()].occTPCV;
if (mRecProcStage) {
mcEntry.mcTrackInfo.setAddedAtRecStage();
}
if (o2::mcutils::MCTrackNavigator::isPhysicalPrimary(mcPart, *mCurrMCTracks)) {
mcEntry.mcTrackInfo.setPrimary();
}
int moth = -1;
o2::MCCompLabel mclbPar;
if ((moth = mcPart.getMotherTrackId()) >= 0) {
const auto& mcPartPar = mCurrMCTracks[moth];
const auto& mcPartPar = (*mCurrMCTracks)[moth];
mcEntry.mcTrackInfo.pdgParent = mcPartPar.GetPdgCode();
}
if (mcPart.isPrimary() && mcReader.getNEvents(lb.getSourceID()) == mMCVtVec.size()) {
Expand Down