From 7e24fa8c75254f54849cc48a7149901c6ceca2d3 Mon Sep 17 00:00:00 2001 From: hristov Date: Thu, 21 Dec 2006 09:05:38 +0000 Subject: [PATCH] New comparison macro (Yuri) --- TRD/Macros/AliTRDComparisonV2.C | 504 ++++++++++++++++++++++++++++++++ 1 file changed, 504 insertions(+) create mode 100644 TRD/Macros/AliTRDComparisonV2.C diff --git a/TRD/Macros/AliTRDComparisonV2.C b/TRD/Macros/AliTRDComparisonV2.C new file mode 100644 index 00000000000..6ed70217320 --- /dev/null +++ b/TRD/Macros/AliTRDComparisonV2.C @@ -0,0 +1,504 @@ +/**************************************************************************** + * Very important, delicate and rather obscure macro. * + * ("a la" AliTPCComparison.C) * + * * + * Creates list of "trackable" tracks, * + * calculates efficiency, resolutions etc. * + * (To get the list of the "trackable" tracks one should * + * first run the AliTPCComparison.C macro) * + * * + * Origin: I.Belikov, CERN, Jouri.Belikov@cern.ch * + ****************************************************************************/ + +#if !defined(__CINT__) || defined(__MAKECINT__) + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + + #include "AliHeader.h" + #include "AliTrackReference.h" + #include "AliRunLoader.h" + #include "AliRun.h" + #include "AliESD.h" +#endif + +Int_t GoodTracksTRD(const Char_t *dir="."); + +extern AliRun *gAlice; +extern TBenchmark *gBenchmark; +extern TROOT *gROOT; + +static Int_t allgood=0; +static Int_t allselected=0; +static Int_t allfound=0; + +Int_t AliTRDComparisonV2 +(Float_t ptcutl=0.2, Float_t ptcuth=10., const Char_t *dir=".") { + gBenchmark->Start("AliTRDComparisonV2"); + + ::Info("AliTRDComparisonV2.C","Doing comparison..."); + + + TH1F *hp=(TH1F*)gROOT->FindObject("hp"); + if (!hp) { + hp=new TH1F("hp","PHI resolution",50,-70.,70.); + hp->SetFillColor(4); + hp->SetXTitle("(mrad)"); + } + TH1F *hl=(TH1F*)gROOT->FindObject("hl"); + if (!hl) { + hl=new TH1F("hl","LAMBDA resolution",50,-70,70); + hl->SetFillColor(4); + hl->SetXTitle("(mrad)"); + } + TH1F *hc=(TH1F*)gROOT->FindObject("hc"); + if (!hc) { + hc=new TH1F("hc","Number of the assigned clusters",25,110,135); + hc->SetLineColor(2); + } + TH1F *hpt=(TH1F*)gROOT->FindObject("hpt"); + if (!hpt) { + hpt=new TH1F("hpt","Relative Pt resolution",30,-10.,10.); + hpt->SetFillColor(2); + hpt->SetXTitle("(%)"); + } + TH1F *hmpt=(TH1F*)gROOT->FindObject("hmpt"); + if (!hmpt) { + hmpt=new TH1F("hmpt","Y and Z resolution",30,-30,30); + hmpt->SetFillColor(6); + hmpt->SetXTitle("(mm)"); + } + TH1F *hz=(TH1F*)gROOT->FindObject("hz"); + if (!hz) hz=new TH1F("hz","Z resolution",30,-30,30); + + + + TH1F *hgood=(TH1F*)gROOT->FindObject("hgood"); + if (!hgood) hgood=new TH1F("hgood","Good tracks",30,0.2,6.1); + + TH1F *hfound=(TH1F*)gROOT->FindObject("hfound"); + if (!hfound) hfound=new TH1F("hfound","Found tracks",30,0.2,6.1); + + TH1F *hfake=(TH1F*)gROOT->FindObject("hfake"); + if (!hfake) hfake=new TH1F("hfake","Fake tracks",30,0.2,6.1); + + TH1F *hg=(TH1F*)gROOT->FindObject("hg"); + if (!hg) hg=new TH1F("hg","Efficiency for good tracks",30,0.2,6.1); + hg->SetLineColor(4); hg->SetLineWidth(2); + + TH1F *hf=(TH1F*)gROOT->FindObject("hf"); + if (!hf) hf=new TH1F("hf","Efficiency for fake tracks",30,0.2,6.1); + hf->SetFillColor(1); hf->SetFillStyle(3013); hf->SetLineWidth(2); + + TH1F *he=(TH1F*)gROOT->FindObject("he"); + if (!he) + he =new TH1F("he","dE/dX for pions with 0.4FindObject("hep"); + if (!hep) hep=new TH2F("hep","dE/dX vs momentum",50,0.,2.,50,0.,2000.); + hep->SetMarkerStyle(8); + hep->SetMarkerSize(0.4); + + + Char_t fname[100]; + sprintf(fname,"%s/GoodTracksTRD.root",dir); + + TFile *refFile=TFile::Open(fname,"old"); + if (!refFile || !refFile->IsOpen()) { + ::Info("AliTRDComparisonV2.C","Marking good tracks (will take a while)..."); + if (GoodTracksTRD(dir)) { + ::Error("AliTRDComparisonV2.C","Can't generate the reference file !"); + return 1; + } + } + refFile=TFile::Open(fname,"old"); + if (!refFile || !refFile->IsOpen()) { + ::Error("AliTRDComparisonV2.C","Can't open the reference file !"); + return 1; + } + + TTree *trdTree=(TTree*)refFile->Get("trdTree"); + if (!trdTree) { + ::Error("AliTRDComparisonV2.C","Can't get the reference tree !"); + return 2; + } + TBranch *branch=trdTree->GetBranch("TRD"); + if (!branch) { + ::Error("AliTRDComparisonV2.C","Can't get the TRD branch !"); + return 3; + } + TClonesArray dummy("AliTrackReference",1000), *refs=&dummy; + branch->SetAddress(&refs); + + + sprintf(fname,"%s/AliESDs.root",dir); + TFile *ef=TFile::Open(fname); + if ((!ef)||(!ef->IsOpen())) { + sprintf(fname,"%s/AliESDtrd.root",dir); + ef=TFile::Open(fname); + if ((!ef)||(!ef->IsOpen())) { + ::Error("AliTRDComparisonV2.C","Can't open AliESDtrd.root !"); + return 4; + } + } + AliESD* event = new AliESD; + TTree* esdTree = (TTree*) ef->Get("esdTree"); + if (!esdTree) { + ::Error("AliTRDComparisonV2.C", "no ESD tree found"); + return 6; + } + esdTree->SetBranchAddress("ESD", &event); + + + //******* Loop over events ********* + Int_t e=0; + while (esdTree->GetEvent(e)) { + cout<GetNumberOfTracks(); + allfound+=nentr; + + if (trdTree->GetEvent(e++)==0) { + cerr<<"No reconstructable tracks !\n"; + continue; + } + + Int_t ngood=refs->GetEntriesFast(); + allgood+=ngood; + + const Int_t MAX=15000; + Int_t notf[MAX], nnotf=0; + Int_t fake[MAX], nfake=0; + Int_t mult[MAX], numb[MAX], nmult=0; + Int_t k; + for (k=0; kUncheckedAt(k); + Int_t lab=ref->Label(), tlab=-1; + Float_t ptg=ref->Pt(); + + if (ptgptcuth) continue; + + allselected++; + + hgood->Fill(ptg); + + AliESDtrack *esd=0; + Int_t cnt=0; + for (Int_t i=0; iGetTrack(i); + UInt_t status=t->GetStatus(); + + if ((status&AliESDtrack::kTRDout)==0) continue; + + Int_t lbl=t->GetTRDLabel(); + if (lab==TMath::Abs(lbl)) { + if (cnt==0) {esd=t; tlab=lbl;} + cnt++; + } + } + if (cnt==0) { + notf[nnotf++]=lab; + continue; + } else if (cnt>1){ + mult[nmult]=lab; + numb[nmult]=cnt; nmult++; + } + + if (lab==tlab) hfound->Fill(ptg); + else { + fake[nfake++]=lab; + hfake->Fill(ptg); + } + + AliExternalTrackParam out(*esd->GetOuterParam()); + + Double_t bz=event->GetMagneticField(); + Double_t xg = ref->LocalX(); + out.PropagateTo(xg,bz); + + Float_t phi=TMath::ASin(out.GetSnp()) + out.GetAlpha(); + if (phi < 0) phi+=2*TMath::Pi(); + if (phi >=2*TMath::Pi()) phi-=2*TMath::Pi(); + Float_t phig=ref->Phi(); + hp->Fill((phi - phig)*1000.); + + Float_t lam=TMath::ATan(out.GetTgl()); + Float_t lamg=TMath::ATan2(ref->Pz(),ptg); + hl->Fill((lam - lamg)*1000.); + + hc->Fill(esd->GetTRDclusters(0)); + + Float_t pt_1=TMath::Abs(out.Get1Pt()); + hpt->Fill((pt_1 - 1/ptg)/(1/ptg)*100.); + + Float_t y=out.GetY(); + Float_t yg=ref->LocalY(); + hmpt->Fill(10*(y - yg)); + + Float_t z=out.GetZ(); + Float_t zg=ref->Z(); + hz->Fill(10*(z - zg)); + + Float_t mom=1./(pt_1*TMath::Cos(lam)); + Float_t dedx=esd->GetTRDsignal(); + hep->Fill(mom,dedx,1.); + + Int_t pdg=(Int_t)ref->GetLength(); //this is particle's PDG ! + + if (TMath::Abs(pdg)==211) //pions + if (mom>0.4 && mom<0.5) he->Fill(dedx,1.); + + } + + cout<<"\nList of Not found tracks :\n"; + for (k=0; kClear(); + } //***** End of the loop over events + + delete event; + ef->Close(); + + delete trdTree; + refFile->Close(); + + Stat_t ng=hgood->GetEntries(), nf=hfound->GetEntries(); + if (ng!=0) cout<<"\n\nIntegral efficiency is about "<Draw(); + p1->cd(); p1->SetFillColor(42); p1->SetFrameFillColor(10); + if (hp->GetEntries()Draw(); else hp->Fit("gaus"); c1->cd(); + + TPad *p2=new TPad("p2","",0.5,.3,1,.6); p2->Draw(); + p2->cd(); p2->SetFillColor(42); p2->SetFrameFillColor(10); + if (hl->GetEntries()Draw(); else hl->Fit("gaus"); c1->cd(); + + TPad *p3=new TPad("p3","",0,0,0.5,0.3); p3->Draw(); + p3->cd(); p3->SetFillColor(42); p3->SetFrameFillColor(10); + if (hpt->GetEntries()Draw(); else hpt->Fit("gaus"); c1->cd(); + + TPad *p4=new TPad("p4","",0.5,0,1,0.3); p4->Draw(); + p4->cd(); p4->SetFillColor(42); p4->SetFrameFillColor(10); + if (hmpt->GetEntries()Draw(); else hmpt->Fit("gaus"); + hz->Draw("same"); c1->cd(); + + + TPad *p5=new TPad("p5","",0,0.6,1,1); p5->Draw(); p5->cd(); + p5->SetFillColor(41); p5->SetFrameFillColor(10); + hfound->Sumw2(); hgood->Sumw2(); hfake->Sumw2(); + hg->Divide(hfound,hgood,1,1.,"b"); + hf->Divide(hfake,hgood,1,1.,"b"); + hg->SetMaximum(1.4); + hg->SetYTitle("Tracking efficiency"); + hg->SetXTitle("Pt (GeV/c)"); + hg->Draw(); + + TLine *line1 = new TLine(0.2,1.0,6.1,1.0); line1->SetLineStyle(4); + line1->Draw("same"); + TLine *line2 = new TLine(0.2,0.9,6.1,0.9); line2->SetLineStyle(4); + line2->Draw("same"); + + hf->SetFillColor(1); + hf->SetFillStyle(3013); + hf->SetLineColor(2); + hf->SetLineWidth(2); + hf->Draw("histsame"); + TText *text = new TText(0.461176,0.248448,"Fake tracks"); + text->SetTextSize(0.05); + text->Draw(); + text = new TText(0.453919,1.11408,"Good tracks"); + text->SetTextSize(0.05); + text->Draw(); + + TCanvas *c2=new TCanvas("c2","",320,32,530,590); + TPad *p6=new TPad("p6","",0.,0.,1.,.5); p6->Draw(); + p6->cd(); p6->SetFillColor(42); p6->SetFrameFillColor(10); + he->SetFillColor(2); he->SetFillStyle(3005); + he->SetXTitle("Arbitrary Units"); + if (he->GetEntries()Draw(); else he->Fit("gaus"); c2->cd(); + + TPad *p7=new TPad("p7","",0.,0.5,1.,1.); p7->Draw(); + p7->cd(); p7->SetFillColor(42); p7->SetFrameFillColor(10); + hep->SetXTitle("p (Gev/c)"); hep->SetYTitle("dE/dX (Arb. Units)"); + hep->Draw(); c1->cd(); + + TFile fc("AliTRDComparisonV2.root","RECREATE"); + c1->Write(); + c2->Write(); + fc.Close(); + + gBenchmark->Stop("AliTRDComparisonV2"); + gBenchmark->Show("AliTRDComparisonV2"); + + return 0; +} + + + +Int_t GoodTracksTRD(const Char_t *dir) { + if (gAlice) { + delete gAlice->GetRunLoader(); + delete gAlice;//if everything was OK here it is already NULL + gAlice = 0x0; + } + + Char_t fname[100]; + sprintf(fname,"%s/galice.root",dir); + + AliRunLoader *rl = AliRunLoader::Open(fname,"COMPARISON"); + if (!rl) { + ::Error("GoodTracksTRD","Can't start session !"); + return 1; + } + + rl->LoadgAlice(); + rl->LoadHeader(); + rl->LoadTrackRefs(); + + Int_t nev=rl->GetNumberOfEvents(); + ::Info("GoodTracksTRD","Number of events : %d\n",nev); + + sprintf(fname,"%s/GoodTracksTPC.root",dir); + TFile *tpcFile=TFile::Open(fname); + if ((!tpcFile)||(!tpcFile->IsOpen())) { + ::Error("GoodTracksTRD","Can't open the GoodTracksTPC.root !"); + delete rl; + return 5; + } + TClonesArray dum("AliTrackReference",1000), *tpcRefs=&dum; + TTree *tpcTree=(TTree*)tpcFile->Get("tpcTree"); + if (!tpcTree) { + ::Error("GoodTracksTRD","Can't get the TPC reference tree !"); + delete rl; + return 6; + } + TBranch *tpcBranch=tpcTree->GetBranch("TPC"); + if (!tpcBranch) { + ::Error("GoodTracksTRD","Can't get the TPC reference branch !"); + delete rl; + return 7; + } + tpcBranch->SetAddress(&tpcRefs); + + sprintf(fname,"%s/GoodTracksTRD.root",dir); + TFile *trdFile=TFile::Open(fname,"recreate"); + TClonesArray dummy2("AliTrackReference",1000), *trdRefs=&dummy2; + TTree trdTree("trdTree","Info about the reconstructable TRD tracks"); + trdTree.Branch("TRD",&trdRefs); + + //******** Loop over generated events + for (Int_t e=0; eGetEvent(e); trdFile->cd(); + + Int_t np = rl->GetHeader()->GetNtrack(); + cout<<"Event "<TreeTR(); + TBranch *branch=TR->GetBranch("TRD"); + if (branch==0) { + ::Error("GoodTracksTRD","No TRD track references !"); + delete rl; + return 5; + } + TClonesArray dummy("AliTrackReference",1000), *refs=&dummy; + branch->SetAddress(&refs); + Int_t nr=TR->GetEntries(); + + //Preselect the "good" track candidates (TRD info only) + Int_t nt=0; + for (Int_t r=0; rClear(); + TR->GetEntry(r); + Int_t n=refs->GetEntriesFast(); + + if (n<=1) continue; + + AliTrackReference *ref0=(AliTrackReference *)refs->UncheckedAt(0); + if (ref0->LocalX() > 300.) continue; + + AliTrackReference *refn=(AliTrackReference *)refs->UncheckedAt(n-1); + if (refn->LocalX() < 363.) continue; + + if (TMath::Abs(ref0->Alpha() - refn->Alpha()) > 1e-5) continue; + + new((*trdRefs)[nt++]) AliTrackReference(*refn); + } + + //Check if the candidates are "good" from the TPC point of view + tpcTree->GetEvent(e); + Int_t ntpc=tpcRefs->GetEntriesFast(); + for (Int_t t=0; tUncheckedAt(t); + Int_t lab=ref->Label(); + for (k=0; kUncheckedAt(k); + if (tpcRef->Label()==lab) { + ref->SetLength(tpcRef->GetLength()); + break; + } + } + if (k==ntpc) delete trdRefs->RemoveAt(t); + } + trdRefs->Compress(); + trdTree.Fill(); + + trdRefs->Clear(); + tpcRefs->Clear(); + + } //*** end of the loop over generated events + + trdTree.Write(); + trdFile->Close(); + + delete tpcTree; + tpcFile->Close(); + + delete rl; + return 0; +} + + -- 2.43.0