Skip to content

[PWGCF] add pid efficiency loading #15495

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
wenyaCern merged 1 commit into from
Mar 23, 2026
+91 −58
Merged

[PWGCF] add pid efficiency loading #15495

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
149 changes: 91 additions & 58 deletions PWGCF/GenericFramework/Tasks/flowGenericFramework.cxx
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -137,11 +137,13 @@ struct FlowGenericFramework {
O2_DEFINE_CONFIGURABLE(cfgUsePID, bool, true, "Enable PID information")
O2_DEFINE_CONFIGURABLE(cfgUseGapMethod, bool, false, "Use gap method in vn-pt calculations")
O2_DEFINE_CONFIGURABLE(cfgEfficiency, std::string, "", "CCDB path to efficiency object")
O2_DEFINE_CONFIGURABLE(cfgUsePIDEfficiencies, bool, false, "Use species dependent efficiencies")
O2_DEFINE_CONFIGURABLE(cfgAcceptance, std::string, "", "CCDB path to acceptance object")
O2_DEFINE_CONFIGURABLE(cfgPtmin, float, 0.2, "minimum pt (GeV/c)");
O2_DEFINE_CONFIGURABLE(cfgPtmax, float, 10, "maximum pt (GeV/c)");
O2_DEFINE_CONFIGURABLE(cfgEta, float, 0.8, "eta cut");
O2_DEFINE_CONFIGURABLE(cfgEtaPtPt, float, 0.4, "eta cut for pt-pt correlations");
O2_DEFINE_CONFIGURABLE(cfgEtaNch, float, 0.4, "eta cut for nch selection");
O2_DEFINE_CONFIGURABLE(cfgUsePIDTotal, bool, false, "use fraction of PID total");
O2_DEFINE_CONFIGURABLE(cfgVtxZ, float, 10, "vertex cut (cm)");
struct : ConfigurableGroup {
Expand Down Expand Up @@ -223,6 +225,7 @@ struct FlowGenericFramework {

struct Config {
TH1D* mEfficiency = nullptr;
std::vector<TH1D*> mPIDEfficiencies;
std::vector<GFWWeights*> mAcceptance;
bool correctionsLoaded = false;
} cfg;
Expand Down Expand Up @@ -845,11 +848,21 @@ struct FlowGenericFramework {
}
}
if (!cfgEfficiency.value.empty()) {
cfg.mEfficiency = ccdb->getForTimeStamp<TH1D>(cfgEfficiency, timestamp);
if (cfg.mEfficiency == nullptr) {
LOGF(fatal, "Could not load efficiency histogram from %s", cfgEfficiency.value.c_str());
if (!cfgUsePIDEfficiencies) {
cfg.mEfficiency = ccdb->getForTimeStamp<TH1D>(cfgEfficiency, timestamp);
if (cfg.mEfficiency == nullptr) {
LOGF(fatal, "Could not load efficiency histogram from %s", cfgEfficiency.value.c_str());
}
LOGF(info, "Loaded efficiency histogram from %s (%p)", cfgEfficiency.value.c_str(), (void*)cfg.mEfficiency);
} else {
std::vector<std::string> species = {"ch", "pi", "ka", "pr", "k0", "lambda"};
for (const auto& sp : species) {
cfg.mPIDEfficiencies.push_back(ccdb->getForTimeStamp<TH1D>(cfgEfficiency.value + "/" + sp, timestamp));
if (cfg.mPIDEfficiencies.back() == nullptr)
LOGF(fatal, "Could not load PID efficiency histograms from %s", cfgEfficiency.value + "/" + sp);
LOGF(info, "Loaded PID efficiency histogram from %s", cfgEfficiency.value + "/" + sp);
}
}
LOGF(info, "Loaded efficiency histogram from %s (%p)", cfgEfficiency.value.c_str(), (void*)cfg.mEfficiency);
}
cfg.correctionsLoaded = true;
}
Expand All @@ -864,11 +877,15 @@ struct FlowGenericFramework {
}

template <typename TTrack>
double getEfficiency(TTrack track)
double getEfficiency(TTrack track, int pidIndex = 0)
{ //-1 ref, 0 ch, 1 pi, 2 ka, 3 pr
double eff = 1.;
if (cfg.mEfficiency)
eff = cfg.mEfficiency->GetBinContent(cfg.mEfficiency->FindBin(track.pt()));
if (!cfgUsePIDEfficiencies) {
if (cfg.mEfficiency)
eff = cfg.mEfficiency->GetBinContent(cfg.mEfficiency->FindBin(track.pt()));
} else {
eff = cfg.mPIDEfficiencies[pidIndex]->GetBinContent(cfg.mPIDEfficiencies[pidIndex]->FindBin(track.pt()));
}
if (eff == 0)
return -1.;
else
Expand Down Expand Up @@ -1441,8 +1458,10 @@ struct FlowGenericFramework {
if (!nchSelected(track))
return;

acceptedTracks.total += getEfficiency(track);
++acceptedTracks.total_uncorr;
if (std::abs(track.eta()) < cfgEtaNch) {
acceptedTracks.total += getEfficiency(track, 0);
++acceptedTracks.total_uncorr;
}

if (!trackSelected(track, field))
return;
Expand All @@ -1457,18 +1476,20 @@ struct FlowGenericFramework {
pidIndex = 3;
}

if (pidIndex)
acceptedTracks.pidtotal[pidIndex - 1] += getEfficiency(track);
int ptBinIndex = fPtAxis->FindBin(track.pt()) - 1;

if (!(ptBinIndex < 0 || ptBinIndex >= static_cast<int>(o2::analysis::gfw::ptbinning.size()))) {
acceptedTracks.nch[ptBinIndex] += (cfgUseNchCorrection) ? getEfficiency(track) : 1.0;
if (pidIndex == 1)
acceptedTracks.npi[ptBinIndex] += (cfgUseNchCorrection) ? getEfficiency(track) : 1.0;
if (pidIndex == 2)
acceptedTracks.nka[ptBinIndex] += (cfgUseNchCorrection) ? getEfficiency(track) : 1.0;
if (pidIndex == 3)
acceptedTracks.npr[ptBinIndex] += (cfgUseNchCorrection) ? getEfficiency(track) : 1.0;
if (std::abs(track.eta()) < cfgEtaNch) {
if (pidIndex)
acceptedTracks.pidtotal[pidIndex - 1] += getEfficiency(track, pidIndex);

int ptBinIndex = fPtAxis->FindBin(track.pt()) - 1;
if (!(ptBinIndex < 0 || ptBinIndex >= static_cast<int>(o2::analysis::gfw::ptbinning.size()))) {
acceptedTracks.nch[ptBinIndex] += (cfgUseNchCorrection) ? getEfficiency(track, 0) : 1.0;
if (pidIndex == 1)
acceptedTracks.npi[ptBinIndex] += (cfgUseNchCorrection) ? getEfficiency(track, pidIndex) : 1.0;
if (pidIndex == 2)
acceptedTracks.nka[ptBinIndex] += (cfgUseNchCorrection) ? getEfficiency(track, pidIndex) : 1.0;
if (pidIndex == 3)
acceptedTracks.npr[ptBinIndex] += (cfgUseNchCorrection) ? getEfficiency(track, pidIndex) : 1.0;
}
}

if (cfgFillWeights) {
Expand Down Expand Up @@ -1504,21 +1525,24 @@ struct FlowGenericFramework {
if (std::abs(track.pdgCode()) == kProton)
pidIndex = 3;
}
++acceptedTracks.total;
++acceptedTracks.total_uncorr;

if (pidIndex)
acceptedTracks.pidtotal[pidIndex - 1] += 1;
int ptBinIndex = fPtAxis->FindBin(track.pt()) - 1;

if (!(ptBinIndex < 0 || ptBinIndex >= static_cast<int>(o2::analysis::gfw::ptbinning.size()))) {
acceptedTracks.nch[ptBinIndex] += 1.0;
if (pidIndex == 1)
acceptedTracks.npi[ptBinIndex] += 1.0;
if (pidIndex == 2)
acceptedTracks.nka[ptBinIndex] += 1.0;
if (pidIndex == 3)
acceptedTracks.npr[ptBinIndex] += 1.0;
if (std::abs(track.eta()) < cfgEtaNch) {
++acceptedTracks.total;
++acceptedTracks.total_uncorr;

if (pidIndex)
acceptedTracks.pidtotal[pidIndex - 1] += 1;
int ptBinIndex = fPtAxis->FindBin(track.pt()) - 1;

if (!(ptBinIndex < 0 || ptBinIndex >= static_cast<int>(o2::analysis::gfw::ptbinning.size()))) {
acceptedTracks.nch[ptBinIndex] += 1.0;
if (pidIndex == 1)
acceptedTracks.npi[ptBinIndex] += 1.0;
if (pidIndex == 2)
acceptedTracks.nka[ptBinIndex] += 1.0;
if (pidIndex == 3)
acceptedTracks.npr[ptBinIndex] += 1.0;
}
}

fillPtSums<kGen>(track, vtxz, pidIndex);
Expand All @@ -1532,32 +1556,37 @@ struct FlowGenericFramework {
// Select tracks with nominal cuts always
if (!nchSelected(track))
return;
acceptedTracks.total += getEfficiency(track);
++acceptedTracks.total_uncorr;

if (std::abs(track.eta()) < cfgEtaNch) {
acceptedTracks.total += getEfficiency(track, 0);
++acceptedTracks.total_uncorr;
}

if (!trackSelected(track, field))
return;
// int pidIndex = 0;
// if (cfgUsePID) Need PID for v02
int pidIndex = getNsigmaPID(track);

if (pidIndex)
acceptedTracks.pidtotal[pidIndex - 1] += getEfficiency(track);
if (std::abs(track.eta()) < cfgEtaNch) {
if (pidIndex)
acceptedTracks.pidtotal[pidIndex - 1] += getEfficiency(track, pidIndex);

if (pidIndex)
acceptedTracks.pidtotal[pidIndex - 1] += getEfficiency(track);
int ptBinIndex = fPtAxis->FindBin(track.pt()) - 1;
if (pidIndex)
acceptedTracks.pidtotal[pidIndex - 1] += getEfficiency(track);
int ptBinIndex = fPtAxis->FindBin(track.pt()) - 1;

if (!(ptBinIndex < 0 || ptBinIndex >= static_cast<int>(o2::analysis::gfw::ptbinning.size()))) {
acceptedTracks.nch[ptBinIndex] += (cfgUseNchCorrection) ? getEfficiency(track) : 1.0;
if (pidIndex == 1) {
acceptedTracks.npi[ptBinIndex] += (cfgUseNchCorrection) ? getEfficiency(track) : 1.0;
}
if (pidIndex == 2) {
acceptedTracks.nka[ptBinIndex] += (cfgUseNchCorrection) ? getEfficiency(track) : 1.0;
}
if (pidIndex == 3) {
acceptedTracks.npr[ptBinIndex] += (cfgUseNchCorrection) ? getEfficiency(track) : 1.0;
if (!(ptBinIndex < 0 || ptBinIndex >= static_cast<int>(o2::analysis::gfw::ptbinning.size()))) {
acceptedTracks.nch[ptBinIndex] += (cfgUseNchCorrection) ? getEfficiency(track, 0) : 1.0;
if (pidIndex == 1) {
acceptedTracks.npi[ptBinIndex] += (cfgUseNchCorrection) ? getEfficiency(track, pidIndex) : 1.0;
}
if (pidIndex == 2) {
acceptedTracks.nka[ptBinIndex] += (cfgUseNchCorrection) ? getEfficiency(track, pidIndex) : 1.0;
}
if (pidIndex == 3) {
acceptedTracks.npr[ptBinIndex] += (cfgUseNchCorrection) ? getEfficiency(track, pidIndex) : 1.0;
}
}
}

Expand Down Expand Up @@ -1779,27 +1808,31 @@ struct FlowGenericFramework {
bool withinPtNch = (track.pt() > ptmins[0] && track.pt() < ptmaxs[0]);
if (!withinPtPOI && !withinPtRef)
return;
double weff = (dt == kGen) ? 1. : getEfficiency(track, pid_index);
double weffInclusive = (dt == kGen) ? 1. : getEfficiency(track, 0);
if (weff < 0)
return;
double waccRef = (dt == kGen) ? 1. : getAcceptance(track, vtxz, 0);
double waccPOI = (dt == kGen) ? 1. : withinPtPOI ? getAcceptance(track, vtxz, pid_index + 1)
: getAcceptance(track, vtxz, 0); //
if (withinPtRef && withinPtPOI && pid_index)
waccRef = waccPOI; // if particle is both (then it's overlap), override ref with POI
if (withinPtRef)
fGFW->Fill(track.eta(), fPtAxis->FindBin(track.pt()) - 1, track.phi(), waccRef, 1);
fGFW->Fill(track.eta(), fPtAxis->FindBin(track.pt()) - 1, track.phi(), waccRef * weffInclusive, 1);
if (withinPtPOI && pid_index)
fGFW->Fill(track.eta(), fPtAxis->FindBin(track.pt()) - 1, track.phi(), waccPOI, (1 << (pid_index + 1)));
fGFW->Fill(track.eta(), fPtAxis->FindBin(track.pt()) - 1, track.phi(), waccPOI * weff, (1 << (pid_index + 1)));
if (withinPtNch)
fGFW->Fill(track.eta(), fPtAxis->FindBin(track.pt()) - 1, track.phi(), waccPOI, 2);
fGFW->Fill(track.eta(), fPtAxis->FindBin(track.pt()) - 1, track.phi(), waccPOI * weff * weffInclusive, 2);
if (withinPtPOI && withinPtRef && pid_index)
fGFW->Fill(track.eta(), fPtAxis->FindBin(track.pt()) - 1, track.phi(), waccPOI, (1 << (pid_index + 5)));
fGFW->Fill(track.eta(), fPtAxis->FindBin(track.pt()) - 1, track.phi(), waccPOI * weff, (1 << (pid_index + 5)));
if (withinPtNch && withinPtRef)
fGFW->Fill(track.eta(), fPtAxis->FindBin(track.pt()) - 1, track.phi(), waccPOI, 32);
fGFW->Fill(track.eta(), fPtAxis->FindBin(track.pt()) - 1, track.phi(), waccPOI * weff * weffInclusive, 32);
} else { // Analysing only integrated flow
bool withinPtRef = (track.pt() > o2::analysis::gfw::ptreflow && track.pt() < o2::analysis::gfw::ptrefup);
bool withinPtPOI = (track.pt() > o2::analysis::gfw::ptpoilow && track.pt() < o2::analysis::gfw::ptpoiup);
if (!withinPtPOI && !withinPtRef)
return;
double weff = (dt == kGen) ? 1. : getEfficiency(track);
double weff = (dt == kGen) ? 1. : getEfficiency(track, 0);
if (weff < 0)
return;
if (cfgUseDensityDependentCorrection && withinPtRef && dt != kGen) {
Expand Down
Loading