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Please consider the following formatting changes to #15758 #15

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Please consider the following formatting changes to #15758 #15

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d656426
[PWGDQ] updates to the ML training data producer task
aferrero2707 Apr 14, 2026
eece00b
Please consider the following formatting changes
alibuild Apr 14, 2026
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31 changes: 29 additions & 2 deletions PWGDQ/Tasks/mftMchMatcher.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -51,6 +51,7 @@
#include <cstdint>
#include <map>
#include <memory>
#include <random>
#include <string>
#include <unordered_map>
#include <utility>
Expand Down Expand Up @@ -120,6 +121,7 @@ DECLARE_SOA_COLUMN(TimeResMFT, timeResMFT, float);
DECLARE_SOA_COLUMN(Chi2MFT, chi2MFT, float);
DECLARE_SOA_COLUMN(McMaskMFT, mcMaskMFT, int);
DECLARE_SOA_COLUMN(MftClusterSizesAndTrackFlags, mftClusterSizesAndTrackFlags, uint64_t);
DECLARE_SOA_COLUMN(TrackTypeMFT, trackTypeMFT, int);

DECLARE_SOA_COLUMN(CXXMFT, cXXMFT, float);
DECLARE_SOA_COLUMN(CYYMFT, cYYMFT, float);
Expand Down Expand Up @@ -183,6 +185,7 @@ DECLARE_SOA_TABLE(FwdMatchMLCandidates, "AOD", "FWDMLCAND",
fwdmatchcandidates::TimeResMFT,
fwdmatchcandidates::Chi2MFT,
fwdmatchcandidates::MftClusterSizesAndTrackFlags,
fwdmatchcandidates::TrackTypeMFT,
fwdmatchcandidates::CXXMFT,
fwdmatchcandidates::CYYMFT,
fwdmatchcandidates::CPhiPhiMFT,
Expand Down Expand Up @@ -236,6 +239,8 @@ struct mftMchMatcher {
Configurable<bool> fKeepBestMatch{"cfgKeepBestMatch", false, "Keep only the best match global muons in the skimming"};
Configurable<float> fzMatching{"cfgzMatching", -77.5f, "Plane for MFT-MCH matching"};

Configurable<float> fSamplingFraction{"cfgSamplingFraction", 1.f, "Fraction of randomly selected events to be processed"};

//// Variables for ccdb
Configurable<std::string> ccdburl{"ccdb-url", "http://alice-ccdb.cern.ch", "url of the ccdb repository"};
Configurable<std::string> grpPath{"grpPath", "GLO/GRP/GRP", "Path of the grp file"};
Expand Down Expand Up @@ -263,6 +268,9 @@ struct mftMchMatcher {

o2::parameters::GRPMagField* fGrpMag = nullptr;

std::uniform_real_distribution<double> mDistribution{0.0, 1.0};
std::mt19937 mGenerator;

o2::globaltracking::MatchGlobalFwd mMatching;

std::unordered_map<int64_t, int32_t> mftCovIndexes;
Expand Down Expand Up @@ -403,8 +411,15 @@ struct mftMchMatcher {
ccdbManager->get<TGeoManager>(geoPath);
}

// int matchTypeMax = static_cast<int>(kMatchTypeUndefined);
AxisSpec matchTypeAxis = {static_cast<int>(kMatchTypeUndefined), 0, static_cast<double>(kMatchTypeUndefined), ""};
if (fSamplingFraction < 1.0) {
std::random_device rd;
mGenerator = std::mt19937(rd());
}
auto hAcceptedEvents = std::get<std::shared_ptr<TH1>>(registry.add("acceptedEvents", "Accepted events", {HistType::kTH1F, {{2, 0, 2.f, ""}}}));
hAcceptedEvents->GetXaxis()->SetBinLabel(1, "total");
hAcceptedEvents->GetXaxis()->SetBinLabel(2, "accepted");

AxisSpec matchTypeAxis = {static_cast<int>(kMatchTypeUndefined) + 1, 0, static_cast<double>(kMatchTypeUndefined) + 1, ""};
auto hMatchType = std::get<std::shared_ptr<TH1>>(registry.add("matchType", "Match type", {HistType::kTH1F, {matchTypeAxis}}));
hMatchType->GetXaxis()->SetBinLabel(1, "true (leading)");
hMatchType->GetXaxis()->SetBinLabel(2, "wrong (leading)");
Expand All @@ -414,6 +429,7 @@ struct mftMchMatcher {
hMatchType->GetXaxis()->SetBinLabel(6, "wrong (non leading)");
hMatchType->GetXaxis()->SetBinLabel(7, "decay (non leading)");
hMatchType->GetXaxis()->SetBinLabel(8, "fake (non leading)");
hMatchType->GetXaxis()->SetBinLabel(9, "undefined");
}

template <typename TMuons>
Expand Down Expand Up @@ -584,6 +600,16 @@ struct mftMchMatcher {
VarManager::SetMatchingPlane(fzMatching.value);
}

registry.get<TH1>(HIST("acceptedEvents"))->Fill(0);
// reject a randomly selected fraction of events
if (fSamplingFraction < 1.0) {
double rnd = mDistribution(mGenerator);
if (rnd > fSamplingFraction) {
return;
}
}
registry.get<TH1>(HIST("acceptedEvents"))->Fill(1);

fillBestMuonMatches(muonTracks);

std::vector<std::pair<int64_t, int64_t>> matchablePairs;
Expand Down Expand Up @@ -684,6 +710,7 @@ struct mftMchMatcher {
mfttrack.trackTimeRes(),
mfttrack.chi2(),
mfttrack.mftClusterSizesAndTrackFlags(),
(mfttrack.isCA() ? 1 : 0),
mftpropCov(0, 0),
mftpropCov(1, 1),
mftpropCov(2, 2),
Expand Down
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