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DPG: add per-event qa plots for mismatched tracks (MC). #1050

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Merged
njacazio merged 1 commit into from
Jul 25, 2022
Merged

DPG: add per-event qa plots for mismatched tracks (MC). #1050

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54 changes: 39 additions & 15 deletions DPG/Tasks/qaEventTrack.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -269,6 +269,7 @@ struct qaEventTrack {
}

/// check correct track-to-vertex matching exploiting MC info
std::vector<int> vec_coll_index_mismatched = {};
for (auto& track : tracks) {
histos.fill(HIST("Tracks/TestMCtrackToVtxMatch/ptAllTracks"), track.pt());
bool has_MCparticle = track.has_mcParticle();
Expand Down Expand Up @@ -302,6 +303,20 @@ struct qaEventTrack {
} else {
histos.fill(HIST("Tracks/TestMCtrackToVtxMatch/ptVsDpvZbadMatchMaterial"), pvZdiff, track.pt());
}
/// event properties for collisions containing mismathced tracks
auto it = std::find(vec_coll_index_mismatched.begin(), vec_coll_index_mismatched.end(), collReco.globalIndex());
if (it == vec_coll_index_mismatched.end()) {
/// collision not yet considered, fill the distributions
// LOG(info) << "===> collision " << collReco.globalIndex() << " not found yet! Fill the distributions";
// LOG(info) << " vector dim: " << vec_coll_index_mismatched.size();
const double nTracksInColl = tracks.sliceBy(perRecoCollision, collReco.globalIndex()).size();
histos.fill(HIST("Tracks/TestMCtrackToVtxMatch/hPVxCollWithMismTrk"), collReco.posX());
histos.fill(HIST("Tracks/TestMCtrackToVtxMatch/hPVyCollWithMismTrk"), collReco.posY());
histos.fill(HIST("Tracks/TestMCtrackToVtxMatch/hPVzCollWithMismTrk"), collReco.posZ());
histos.fill(HIST("Tracks/TestMCtrackToVtxMatch/hPVcontrCollWithMismTrk"), collReco.numContrib());
histos.fill(HIST("Tracks/TestMCtrackToVtxMatch/hNTracksCollWithMismTrk"), nTracksInColl);
vec_coll_index_mismatched.push_back(collReco.globalIndex());
}
}
}

Expand Down Expand Up @@ -556,21 +571,30 @@ void qaEventTrack::init(InitContext const&)
histos.add("Tracks/KineUnmatchTracks/eta", "#eta", kTH1D, {axisEta});
histos.add("Tracks/KineUnmatchTracks/phi", "#varphi", kTH1D, {axisPhi});

/// check correct track-to-vertex matching
histos.add("Tracks/TestMCtrackToVtxMatch/ptAllTracks", "all tracks (MC)", kTH1D, {axisPt});
histos.add("Tracks/TestMCtrackToVtxMatch/ptAllTracksInColl", "all tracks in collision (MC)", kTH1D, {axisPt});
histos.add("Tracks/TestMCtrackToVtxMatch/ptAllTracksWoColl", "all tracks w/o collision (MC)", kTH1D, {axisPt});
auto hUnmatched = histos.add<TH2>("Tracks/TestMCtrackToVtxMatch/ptVsOriginUnmatchedwithMCpart", "tracks with part. not matched to reco. coll. (MC)", kTH2D, {{4, -1.5, 2.5}, axisPt});
hUnmatched->GetXaxis()->SetBinLabel(hUnmatched->GetXaxis()->FindBin(-1.), "not found");
hUnmatched->GetXaxis()->SetBinLabel(hUnmatched->GetXaxis()->FindBin(0.), "Phys. prim.");
hUnmatched->GetXaxis()->SetBinLabel(hUnmatched->GetXaxis()->FindBin(1.), "Secondary");
hUnmatched->GetXaxis()->SetBinLabel(hUnmatched->GetXaxis()->FindBin(2.), "Material");
histos.add("Tracks/TestMCtrackToVtxMatch/ptVsDpvZgoodMatchPhysPrim", "good track-to-vtx matching phys. prim. (MC)", kTH2D, {{100, -0.1, 0.1, "pvZ(reco coll.) - pvZ(MC coll.)"}, axisPt});
histos.add("Tracks/TestMCtrackToVtxMatch/ptVsDpvZbadMatchPhysPrim", "bad track-to-vtx matching phys. prim. (MC)", kTH2D, {{100, -0.1, 0.1, "pvZ(reco coll.) - pvZ(MC coll.)"}, axisPt});
histos.add("Tracks/TestMCtrackToVtxMatch/ptVsDpvZgoodMatchSecondary", "good track-to-vtx matching secondary (MC)", kTH2D, {{100, -0.1, 0.1, "pvZ(reco coll.) - pvZ(MC coll.)"}, axisPt});
histos.add("Tracks/TestMCtrackToVtxMatch/ptVsDpvZbadMatchSecondary", "bad track-to-vtx matching secondary (MC)", kTH2D, {{100, -0.1, 0.1, "pvZ(reco coll.) - pvZ(MC coll.)"}, axisPt});
histos.add("Tracks/TestMCtrackToVtxMatch/ptVsDpvZgoodMatchMaterial", "good track-to-vtx matching material (MC)", kTH2D, {{100, -0.1, 0.1, "pvZ(reco coll.) - pvZ(MC coll.)"}, axisPt});
histos.add("Tracks/TestMCtrackToVtxMatch/ptVsDpvZbadMatchMaterial", "bad track-to-vtx matching material (MC)", kTH2D, {{100, -0.1, 0.1, "pvZ(reco coll.) - pvZ(MC coll.)"}, axisPt});
/// check correct track-to-vertex matching (MC)
if (doprocessMC) {
histos.add("Tracks/TestMCtrackToVtxMatch/ptAllTracks", "all tracks (MC)", kTH1D, {axisPt});
histos.add("Tracks/TestMCtrackToVtxMatch/ptAllTracksInColl", "all tracks in collision (MC)", kTH1D, {axisPt});
histos.add("Tracks/TestMCtrackToVtxMatch/ptAllTracksWoColl", "all tracks w/o collision (MC)", kTH1D, {axisPt});
auto hUnmatched = histos.add<TH2>("Tracks/TestMCtrackToVtxMatch/ptVsOriginUnmatchedwithMCpart", "tracks with part. not matched to reco. coll. (MC)", kTH2D, {{4, -1.5, 2.5}, axisPt});
hUnmatched->GetXaxis()->SetBinLabel(hUnmatched->GetXaxis()->FindBin(-1.), "not found");
hUnmatched->GetXaxis()->SetBinLabel(hUnmatched->GetXaxis()->FindBin(0.), "Phys. prim.");
hUnmatched->GetXaxis()->SetBinLabel(hUnmatched->GetXaxis()->FindBin(1.), "Secondary");
hUnmatched->GetXaxis()->SetBinLabel(hUnmatched->GetXaxis()->FindBin(2.), "Material");
histos.add("Tracks/TestMCtrackToVtxMatch/ptVsDpvZgoodMatchPhysPrim", "good track-to-vtx matching phys. prim. (MC)", kTH2D, {{100, -0.1, 0.1, "pvZ(reco coll.) - pvZ(MC coll.)"}, axisPt});
histos.add("Tracks/TestMCtrackToVtxMatch/ptVsDpvZbadMatchPhysPrim", "bad track-to-vtx matching phys. prim. (MC)", kTH2D, {{100, -0.1, 0.1, "pvZ(reco coll.) - pvZ(MC coll.)"}, axisPt});
histos.add("Tracks/TestMCtrackToVtxMatch/ptVsDpvZgoodMatchSecondary", "good track-to-vtx matching secondary (MC)", kTH2D, {{100, -0.1, 0.1, "pvZ(reco coll.) - pvZ(MC coll.)"}, axisPt});
histos.add("Tracks/TestMCtrackToVtxMatch/ptVsDpvZbadMatchSecondary", "bad track-to-vtx matching secondary (MC)", kTH2D, {{100, -0.1, 0.1, "pvZ(reco coll.) - pvZ(MC coll.)"}, axisPt});
histos.add("Tracks/TestMCtrackToVtxMatch/ptVsDpvZgoodMatchMaterial", "good track-to-vtx matching material (MC)", kTH2D, {{100, -0.1, 0.1, "pvZ(reco coll.) - pvZ(MC coll.)"}, axisPt});
histos.add("Tracks/TestMCtrackToVtxMatch/ptVsDpvZbadMatchMaterial", "bad track-to-vtx matching material (MC)", kTH2D, {{100, -0.1, 0.1, "pvZ(reco coll.) - pvZ(MC coll.)"}, axisPt});

// event properties for collisions containing mismathced tracks
histos.add("Tracks/TestMCtrackToVtxMatch/hPVxCollWithMismTrk", "x coordinate of PV for collisions containing a mismatched track;;counts;", kTH1D, {axisVertexPosX});
histos.add("Tracks/TestMCtrackToVtxMatch/hPVyCollWithMismTrk", "y coordinate of PV for collisions containing a mismatched track;;counts;", kTH1D, {axisVertexPosY});
histos.add("Tracks/TestMCtrackToVtxMatch/hPVzCollWithMismTrk", "z coordinate of PV for collisions containing a mismatched track;;counts;", kTH1D, {axisVertexPosZ});
histos.add("Tracks/TestMCtrackToVtxMatch/hPVcontrCollWithMismTrk", "number of PV contributors for collisions containing a mismatched track;;counts;", kTH1D, {axisVertexNumContrib});
histos.add("Tracks/TestMCtrackToVtxMatch/hNTracksCollWithMismTrk", "number of tracks for collisions containing a mismatched track;;counts;", kTH1D, {axisTrackMultiplicity});
}

// track histograms
auto hselAxis = histos.add<TH1>("Tracks/selection", "trackSelection", kTH1F, {{40, 0.5, 40.5}})->GetXaxis();
Expand Down