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TrackStudy stores TPC lowest cluster position #13686

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Merged
shahor02 merged 1 commit into from
Nov 13, 2024
Merged

TrackStudy stores TPC lowest cluster position #13686

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12 changes: 11 additions & 1 deletion Detectors/GlobalTrackingWorkflow/study/include/GlobalTrackingStudy/TrackInfoExt.h
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,8 @@ struct TrackInfoExt {
DCA dcaTPC{};
VtxTrackIndex gid;
MatchInfoTOF infoTOF;
std::array<float, 3> innerTPCPos{}; // innermost cluster position at assigned time
std::array<float, 3> innerTPCPos0{}; // innermost cluster position at nominal time0
float ttime = 0;
float ttimeE = 0;
float xmin = 0;
Expand All @@ -44,7 +46,15 @@ struct TrackInfoExt {
uint8_t rowMinTPC = 0;
uint8_t rowMaxTPC = 0;
uint8_t rowCountTPC = 0;
ClassDefNV(TrackInfoExt, 2);

float getTPCInX() const { return innerTPCPos[0]; }
float getTPCInY() const { return innerTPCPos[1]; }
float getTPCInZ() const { return innerTPCPos[2]; }
float getTPCInX0() const { return innerTPCPos0[0]; }
float getTPCInY0() const { return innerTPCPos0[1]; }
float getTPCInZ0() const { return innerTPCPos0[2]; }

ClassDefNV(TrackInfoExt, 3);
};

} // namespace dataformats
Expand Down
50 changes: 25 additions & 25 deletions Detectors/GlobalTrackingWorkflow/study/src/TrackingStudy.cxx
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Expand Up @@ -248,26 +248,30 @@ void TrackingStudySpec::process(o2::globaltracking::RecoContainer& recoData)
auto vdrit = mTPCVDriftHelper.getVDriftObject().getVDrift();
bool tpcTrackOK = recoData.isTrackSourceLoaded(GTrackID::TPC);

auto getTPCClInfo = [&recoData](const o2::tpc::TrackTPC& trc) {
auto fillTPCClInfo = [&recoData, this](const o2::tpc::TrackTPC& trc, o2::dataformats::TrackInfoExt& trExt, float timestampTB = -1e9) {
const auto clRefs = recoData.getTPCTracksClusterRefs();
std::array<int, 3> clinfo = {};
if (recoData.inputsTPCclusters) {
uint8_t clSect = 0, clRow = 0, clRowP = -1;
uint32_t clIdx = 0;
for (int ic = 0; ic < trc.getNClusterReferences(); ic++) {
trc.getClusterReference(clRefs, ic, clSect, clRow, clIdx);
if (clRow != clRowP) {
clinfo[2]++;
trExt.rowCountTPC++;
clRowP = clRow;
}
}
const auto clRefs = recoData.getTPCTracksClusterRefs();
trc.getClusterReference(clRefs, trc.getNClusterReferences() - 1, clSect, clRow, clIdx);
clinfo[0] = clRow;
trExt.rowMinTPC = clRow;
const auto& clus = recoData.inputsTPCclusters->clusterIndex.clusters[clSect][clRow][clIdx];
this->mTPCCorrMapsLoader.Transform(clSect, clRow, clus.getPad(), clus.getTime(), trExt.innerTPCPos0[0], trExt.innerTPCPos0[1], trExt.innerTPCPos0[2], trc.getTime0()); // nominal time of the track
if (timestampTB > -1e8) {
this->mTPCCorrMapsLoader.Transform(clSect, clRow, clus.getPad(), clus.getTime(), trExt.innerTPCPos[0], trExt.innerTPCPos[1], trExt.innerTPCPos[2], timestampTB); // time assigned from the global track track
} else {
trExt.innerTPCPos = trExt.innerTPCPos0;
}
trc.getClusterReference(clRefs, 0, clSect, clRow, clIdx);
clinfo[1] = clRow;
trExt.rowMaxTPC = clRow;
}
return clinfo;
};

for (int iv = 0; iv < nv; iv++) {
Expand All @@ -276,7 +280,6 @@ void TrackingStudySpec::process(o2::globaltracking::RecoContainer& recoData)
if (iv != nv - 1) {
auto& pve = pveVec[iv];
static_cast<o2::dataformats::PrimaryVertex&>(pve) = pvvec[iv];

// find best matching FT0 signal
float bestTimeDiff = 1000, bestTime = -999;
int bestFTID = -1;
Expand Down Expand Up @@ -319,15 +322,13 @@ void TrackingStudySpec::process(o2::globaltracking::RecoContainer& recoData)
GTrackID tpcTrID;
const o2::tpc::TrackTPC* tpcTr = nullptr;
int nclTPC = 0;
std::array<int, 3> tpcClInfo{};
if (dm[DetID::TPC] && tpcTrackOK) {
tpcTrID = recoData.getTPCContributorGID(vid);
tpcTr = &recoData.getTPCTrack(tpcTrID);
nclTPC = tpcTr->getNClusters();
if (nclTPC < mMinTPCClusters) {
continue;
}
tpcClInfo = getTPCClInfo(*tpcTr);
}
bool ambig = vid.isAmbiguous();
auto trc = recoData.getTrackParam(vid);
Expand Down Expand Up @@ -364,11 +365,19 @@ void TrackingStudySpec::process(o2::globaltracking::RecoContainer& recoData)
continue;
}
{
o2::dataformats::DCA dcaTPC;
dcaTPC.set(-999.f, -999.f);
auto& trcExt = trcExtVec.emplace_back();
recoData.getTrackTime(vid, trcExt.ttime, trcExt.ttimeE);
trcExt.track = trc;
trcExt.dca = dca;
trcExt.gid = vid;
trcExt.xmin = xmin;
trcExt.dcaTPC.set(-999.f, -999.f);

if (tpcTr) {
float tsuse = trcExt.ttime / (8 * o2::constants::lhc::LHCBunchSpacingMUS);
if (is == GTrackID::TPC) {
dcaTPC = dca;
trcExt.dcaTPC = dca;
tsuse = -1e9;
} else {
o2::track::TrackParCov tmpTPC(*tpcTr);
if (iv < nv - 1 && is == GTrackID::TPC && tpcTr && !tpcTr->hasBothSidesClusters()) { // for unconstrained TPC tracks correct track Z
Expand All @@ -378,18 +387,12 @@ void TrackingStudySpec::process(o2::globaltracking::RecoContainer& recoData)
}
tmpTPC.setZ(tmpTPC.getZ() + corz);
}
if (!prop->propagateToDCA(iv == nv - 1 ? vtxDummy : pvvec[iv], tmpTPC, prop->getNominalBz(), 2., o2::base::PropagatorF::MatCorrType::USEMatCorrLUT, &dcaTPC)) {
dcaTPC.set(-999.f, -999.f);
if (!prop->propagateToDCA(iv == nv - 1 ? vtxDummy : pvvec[iv], tmpTPC, prop->getNominalBz(), 2., o2::base::PropagatorF::MatCorrType::USEMatCorrLUT, &trcExt.dcaTPC)) {
trcExt.dcaTPC.set(-999.f, -999.f);
}
}
fillTPCClInfo(*tpcTr, trcExt, tsuse);
}
auto& trcExt = trcExtVec.emplace_back();
recoData.getTrackTime(vid, trcExt.ttime, trcExt.ttimeE);
trcExt.track = trc;
trcExt.dca = dca;
trcExt.dcaTPC = dcaTPC;
trcExt.gid = vid;
trcExt.xmin = xmin;
auto gidRefs = recoData.getSingleDetectorRefs(vid);
if (gidRefs[GTrackID::ITS].isIndexSet()) {
const auto& itsTr = recoData.getITSTrack(gidRefs[GTrackID::ITS]);
Expand All @@ -412,9 +415,6 @@ void TrackingStudySpec::process(o2::globaltracking::RecoContainer& recoData)
if (gidRefs[GTrackID::TPC].isIndexSet()) {
trcExt.q2ptTPC = recoData.getTrackParam(gidRefs[GTrackID::TPC]).getQ2Pt();
trcExt.nClTPC = nclTPC;
trcExt.rowMinTPC = tpcClInfo[0];
trcExt.rowMaxTPC = tpcClInfo[1];
trcExt.rowCountTPC = tpcClInfo[2];
}
if (gidRefs[GTrackID::ITSTPC].isIndexSet()) {
const auto& trTPCITS = recoData.getTPCITSTrack(gidRefs[GTrackID::ITSTPC]);
Expand Down