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Fix hit creation for TF3 et al + minor fixes (AliceO2Group#12925)
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| Original file line number | Diff line number | Diff line change |
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| // Copyright 2019-2020 CERN and copyright holders of ALICE O2. | ||
| // See https://alice-o2.web.cern.ch/copyright for details of the copyright holders. | ||
| // All rights not expressly granted are reserved. | ||
| // | ||
| // This software is distributed under the terms of the GNU General Public | ||
| // License v3 (GPL Version 3), copied verbatim in the file "COPYING". | ||
| // | ||
| // In applying this license CERN does not waive the privileges and immunities | ||
| // granted to it by virtue of its status as an Intergovernmental Organization | ||
| // or submit itself to any jurisdiction. | ||
| // | ||
| // Author: M. Concas | ||
|
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| #if !defined(__CLING__) || defined(__ROOTCLING__) | ||
| #include "ITSMFTSimulation/Hit.h" | ||
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| #include <TCanvas.h> | ||
| #include <TFile.h> | ||
| #include <TTree.h> | ||
| #include <TVector3.h> | ||
| #include <TVector2.h> | ||
| #include <TH2F.h> | ||
| #include <TH3F.h> | ||
| #include <TNtuple.h> | ||
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| #include <vector> | ||
| #endif | ||
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| void plotHits(const size_t nevents = 100) | ||
| { | ||
| TNtuple* tuple = new TNtuple("xyz", "xyz", "x:y:z:color"); | ||
| TH2* ep = new TH2F("etaph", "hist_etaph;#varphi;#eta", 150, 0., TMath::TwoPi(), 150, -5, 5); | ||
| TH2* zp = new TH2F("zph", "hist_zph;;#varphi;z(cm) ", 150, 0., TMath::TwoPi(), 300, -200, 200); | ||
| TH2* zr = new TH2F("zr", "hist_zr;z(cm);r(cm) ", 500, -400, 400, 500, 0, 110); | ||
| TH3F* xyz_trk = new TH3F("xyz_trk", "hist_xyz;x(cm);y(cm);z(cm)", 300, -100, 100, 300, -100, 100, 300, -400, 400); | ||
| TH3F* xyz_ft3 = new TH3F("xyz_ft3", "hist_xyz;x(cm);y(cm);z(cm)", 300, -100, 100, 300, -100, 100, 300, -400, 400); | ||
| TH3F* xyz_tof = new TH3F("xyz_tf3", "hist_xyz;x(cm);y(cm);z(cm)", 300, -100, 100, 300, -100, 100, 300, -400, 400); | ||
|
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| std::vector<TFile*> hitFiles; | ||
| hitFiles.push_back(TFile::Open("o2sim_HitsTF3.root")); | ||
| hitFiles.push_back(TFile::Open("o2sim_HitsFT3.root")); | ||
| hitFiles.push_back(TFile::Open("o2sim_HitsTRK.root")); | ||
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| TTree* trkTree = hitFiles[2] ? (TTree*)hitFiles[2]->Get("o2sim") : nullptr; | ||
| TTree* ft3Tree = hitFiles[1] ? (TTree*)hitFiles[1]->Get("o2sim") : nullptr; | ||
| TTree* tf3Tree = hitFiles[0] ? (TTree*)hitFiles[0]->Get("o2sim") : nullptr; | ||
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| // TRK | ||
| std::vector<o2::itsmft::Hit>* trkHit = nullptr; | ||
| trkTree->SetBranchAddress("TRKHit", &trkHit); | ||
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| // FT3 | ||
| std::vector<o2::itsmft::Hit>* ft3Hit = nullptr; | ||
| ft3Tree->SetBranchAddress("FT3Hit", &ft3Hit); | ||
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| // TF3 | ||
| std::vector<o2::itsmft::Hit>* tf3Hit = nullptr; | ||
| tf3Tree->SetBranchAddress("TF3Hit", &tf3Hit); | ||
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| for (size_t iev = 0; iev < std::min(nevents, (size_t)trkTree->GetEntries()); iev++) { | ||
| trkTree->GetEntry(iev); | ||
| for (const auto& h : *trkHit) { | ||
| TVector3 posvec(h.GetX(), h.GetY(), h.GetZ()); | ||
| ep->Fill(TVector2::Phi_0_2pi(posvec.Phi()), posvec.Eta()); | ||
| zp->Fill(TVector2::Phi_0_2pi(posvec.Phi()), posvec.Z()); | ||
| zr->Fill(posvec.Z(), TMath::Hypot(posvec.X(), posvec.Y())); | ||
| xyz_trk->Fill(posvec.X(), posvec.Y(), posvec.Z()); | ||
| tuple->Fill(posvec.X(), posvec.Y(), posvec.Z(), 40); | ||
| } | ||
| ft3Tree->GetEntry(iev); | ||
| for (const auto& h : *ft3Hit) { | ||
| TVector3 posvec(h.GetX(), h.GetY(), h.GetZ()); | ||
| ep->Fill(TVector2::Phi_0_2pi(posvec.Phi()), posvec.Eta()); | ||
| zp->Fill(TVector2::Phi_0_2pi(posvec.Phi()), posvec.Z()); | ||
| zr->Fill(posvec.Z(), TMath::Hypot(posvec.X(), posvec.Y())); | ||
| xyz_ft3->Fill(posvec.X(), posvec.Y(), posvec.Z()); | ||
| tuple->Fill(posvec.X(), posvec.Y(), posvec.Z(), 30); | ||
| } | ||
| tf3Tree->GetEntry(iev); | ||
| for (const auto& h : *tf3Hit) { | ||
| TVector3 posvec(h.GetX(), h.GetY(), h.GetZ()); | ||
| ep->Fill(TVector2::Phi_0_2pi(posvec.Phi()), posvec.Eta()); | ||
| zp->Fill(TVector2::Phi_0_2pi(posvec.Phi()), posvec.Z()); | ||
| zr->Fill(posvec.Z(), TMath::Hypot(posvec.X(), posvec.Y())); | ||
| xyz_tof->Fill(posvec.X(), posvec.Y(), posvec.Z()); | ||
| tuple->Fill(posvec.X(), posvec.Y(), posvec.Z(), 20); | ||
| } | ||
| } | ||
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| auto* EPcanvas = new TCanvas("EtaPhi", "EP", 1000, 800); | ||
| EPcanvas->cd(); | ||
| ep->Draw(); | ||
| EPcanvas->SaveAs("EtaPhi.png"); | ||
| auto* ZPcanvas = new TCanvas("ZPhi", "ZP", 1000, 800); | ||
| ZPcanvas->cd(); | ||
| zp->Draw(); | ||
| ZPcanvas->SaveAs("ZPhi.png"); | ||
| auto* RZcanvas = new TCanvas("RZ", "RZ", 1000, 800); | ||
| RZcanvas->cd(); | ||
| zr->Draw(); | ||
| RZcanvas->SaveAs("RZ.png"); | ||
| auto* XYZcanvas = new TCanvas("XYZ", "XYZ", 1000, 800); | ||
| XYZcanvas->cd(); | ||
| xyz_trk->Draw("p"); | ||
| xyz_ft3->Draw("same"); | ||
| xyz_tof->Draw("same"); | ||
| XYZcanvas->SaveAs("XYZ.png"); | ||
| auto* XYZ3Dcanvas = new TCanvas("XYZ3D", "XYZ3D", 1000, 800); | ||
| XYZ3Dcanvas->cd(); | ||
| tuple->Draw("x:y:z:color"); | ||
| XYZ3Dcanvas->SaveAs("XYZ3D.png"); | ||
| } |
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