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38 changes: 20 additions & 18 deletions Detectors/TPC/simulation/src/Detector.cxx
Original file line number Diff line number Diff line change
Expand Up @@ -142,9 +142,29 @@ Bool_t Detector::ProcessHits(FairVolume* vol)
// TODO: Temporary hack to process only one sector
// if (sectorID != 0) return kFALSE;

// ---| momentum and beta gamma |---
static TLorentzVector momentum; // static to make avoid creation/deletion of this expensive object
fMC->TrackMomentum(momentum);

const float time = fMC->TrackTime() * 1.0e9;
const int trackID = fMC->GetStack()->GetCurrentTrackNumber();
const int detID = vol->getMCid();
o2::data::Stack* stack = (o2::data::Stack*)fMC->GetStack();
if (fMC->IsTrackEntering() || fMC->IsTrackExiting()) {
stack->addTrackReference(o2::TrackReference(position.X(), position.Y(), position.Z(), momentum.X(), momentum.Y(),
momentum.Z(), fMC->TrackLength(), time, trackID, GetDetId()));
lastReferenceR = fMC->TrackLength();
}
if (TMath::Abs(lastReferenceR - fMC->TrackLength()) > kMaxDistRef) { /// we can speedup
stack->addTrackReference(o2::TrackReference(position.X(), position.Y(), position.Z(), momentum.X(), momentum.Y(),
momentum.Z(), fMC->TrackLength(), time, trackID, GetDetId()));
lastReferenceR = fMC->TrackLength();
}

// ---| remove clusters between the IFC and the FC strips |---
// those should not enter the active readout area
// do coarse selection before, to limit number of transformations

if (detParam.ExcludeFCGap) {
const auto rCluster = std::sqrt(position.X() * position.X() + position.Y() * position.Y());
const float rodRin = 81.5 + 2.2; // radial position of the inner field cage rods + radial size of the field cage rods
Expand All @@ -164,24 +184,6 @@ Bool_t Detector::ProcessHits(FairVolume* vol)
}
}

// ---| momentum and beta gamma |---
static TLorentzVector momentum; // static to make avoid creation/deletion of this expensive object
fMC->TrackMomentum(momentum);

const float time = fMC->TrackTime() * 1.0e9;
const int trackID = fMC->GetStack()->GetCurrentTrackNumber();
const int detID = vol->getMCid();
o2::data::Stack* stack = (o2::data::Stack*)fMC->GetStack();
if (fMC->IsTrackEntering() || fMC->IsTrackExiting()) {
stack->addTrackReference(o2::TrackReference(position.X(), position.Y(), position.Z(), momentum.X(), momentum.Y(),
momentum.Z(), fMC->TrackLength(), time, trackID, GetDetId()));
}
if (TMath::Abs(lastReferenceR - fMC->TrackLength()) > kMaxDistRef) { /// we can speedup
stack->addTrackReference(o2::TrackReference(position.X(), position.Y(), position.Z(), momentum.X(), momentum.Y(),
momentum.Z(), fMC->TrackLength(), time, trackID, GetDetId()));
lastReferenceR = fMC->TrackLength();
}

// ===| CONVERT THE ENERGY LOSS TO IONIZATION ELECTRONS |=====================
//
// The energy loss is implemented directly below and taken GEANT3,
Expand Down
2 changes: 1 addition & 1 deletion run/CMakeLists.txt
Original file line number Diff line number Diff line change
Expand Up @@ -334,4 +334,4 @@ install(FILES o2-sim-client.py PERMISSIONS GROUP_READ GROUP_EXECUTE OWNER_EXECUT
install(DIRECTORY SimExamples/
DESTINATION examples
PATTERN *
PERMISSIONS GROUP_READ GROUP_EXECUTE OWNER_EXECUTE OWNER_WRITE OWNER_READ WORLD_EXECUTE WORLD_READ)
PERMISSIONS GROUP_READ GROUP_EXECUTE OWNER_EXECUTE OWNER_WRITE OWNER_READ WORLD_EXECUTE WORLD_READ)
2 changes: 1 addition & 1 deletion run/checkStack.cxx
Original file line number Diff line number Diff line change
Expand Up @@ -144,7 +144,7 @@ int main(int argc, char** argv)
for (auto& trackID : trackidsinTPC) {
auto tpc_trackrefs = mcreader.getTrackRefs(eventID, trackID);
LOG(debug) << " Track " << trackID << " has " << tpc_trackrefs.size() << " TrackRefs";
// assert(tpc_trackrefs.size() > 0);
assert(tpc_trackrefs.size() > 0);
for (auto& ref : tpc_trackrefs) {
assert(ref.getTrackID() == trackID);
}
Expand Down