This macro is now replaced by AliPIDCompaison.C

diff --git a/STEER/AliESDComparison.C b/STEER/AliESDComparison.C
deleted file mode 100644 (file)
index 522ff9b..0000000
--- a/STEER/AliESDComparison.C
+++ /dev/null
@@ -1,292 +0,0 @@
-//********************************************************************
-//     Example (very naive for the moment) of using the ESD classes
-//        It demonstrates the idea of the "combined PID".
-//      Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch
-//********************************************************************
-
-#if !defined( __CINT__) || defined(__MAKECINT__)
-  #include <TMath.h>
-  #include <TError.h>
-  #include <Riostream.h>
-  #include <TH1F.h>
-  #include <TH2F.h>
-  #include <TParticle.h>
-  #include <TCanvas.h>
-  #include <TBenchmark.h>
-  #include <TFile.h>
-  #include <TTree.h>
-  #include <TROOT.h>
-
-  #include <AliStack.h>
-  #include <AliRunLoader.h>
-  #include <AliRun.h>
-  #include <AliESDEvent.h>
-#endif
-
-extern AliRun *gAlice;
-extern TBenchmark *gBenchmark;
-extern TROOT *gROOT;
-
-static Int_t allpisel=0;
-static Int_t allkasel=0;
-static Int_t allprsel=0;
-static Int_t allnsel=0;
-
-Int_t AliESDComparison(const Char_t *dir=".") { 
-   gBenchmark->Start("AliESDComparison");
-
-   ::Info("AliESDComparison.C","Doing comparison...");
-
-   Double_t pi=0.2,pa=3;
-
-   TH2F *tpcHist=(TH2F*)gROOT->FindObject("tpcHist");
-   if (!tpcHist)
-     tpcHist=new TH2F("tpcHist","TPC dE/dX vs momentum",100,pi,pa,100,0.,300.);
-   tpcHist->SetXTitle("p (GeV/c)"); tpcHist->SetYTitle("dE/dx (Arb. Units)");
-   tpcHist->SetMarkerStyle(8); 
-   tpcHist->SetMarkerSize(0.3);
- 
-   const Char_t *hname[]={
-    "piG","piR","piF","piGood","piFake",
-    "kaG","kaR","kaF","kaGood","kaFake",
-    "prG","prR","prF","prGood","prFake"
-   };
-   Int_t nh=sizeof(hname)/sizeof(const Char_t *);
-   TH1F **hprt=new TH1F*[nh]; 
-
-   for (Int_t i=0; i<nh; i++) {
-     hprt[i]=(TH1F*)gROOT->FindObject(hname[i]);
-     if (hprt[i]==0) {hprt[i]=new TH1F(hname[i],"",20,pi,pa);hprt[i]->Sumw2();}
-   }
-   TH1F *piG=hprt[0];
-   TH1F *piR=hprt[1];
-   TH1F *piF=hprt[2];
-   TH1F *piGood=hprt[3]; 
-        piGood->SetTitle("Combined PID for pions"); 
-        piGood->SetLineColor(4); piGood->SetXTitle("p (GeV/c)");
-   TH1F *piFake=hprt[4]; 
-        piFake->SetLineColor(2);
-   TH1F *kaG=hprt[5];
-   TH1F *kaR=hprt[6];
-   TH1F *kaF=hprt[7];
-   TH1F *kaGood=hprt[8];
-        kaGood->SetTitle("Combined PID for kaons"); 
-        kaGood->SetLineColor(4); kaGood->SetXTitle("p (GeV/c)");
-   TH1F *kaFake=hprt[9]; 
-        kaFake->SetLineColor(2);
-   TH1F *prG=hprt[10];
-   TH1F *prR=hprt[11];
-   TH1F *prF=hprt[12];
-   TH1F *prGood=hprt[13];
-        prGood->SetTitle("Combined PID for protons"); 
-        prGood->SetLineColor(4); prGood->SetXTitle("p (GeV/c)");
-   TH1F *prFake=hprt[14]; 
-        prFake->SetLineColor(2);
-
-   delete[] hprt;
-
-   Char_t fname[100];
-
-   if (gAlice) {
-      delete gAlice->GetRunLoader();
-      delete gAlice;
-      gAlice=0;
-   }
-   sprintf(fname,"%s/galice.root",dir);
-   AliRunLoader *rl = AliRunLoader::Open(fname);
-   if (rl == 0x0) {
-      ::Error("AliESDComparison.C","Can not open session !");
-      return 1;
-   }
-   if (rl->LoadgAlice()) {
-      ::Error("AliESDComparison.C","LoadgAlice returned error !");
-      delete rl;
-      return 1;
-   }
-   if (rl->LoadHeader()) {
-      ::Error("AliESDComparison.C","LoadHeader returned error !");
-      delete rl;
-      return 1;
-   }
-   rl->LoadKinematics();
-
-   sprintf(fname,"%s/AliESDs.root",dir);
-   TFile *ef=TFile::Open(fname);
-   if (!ef || !ef->IsOpen()) {
-      ::Error("AliESDComparison.C","Can't AliESDs.root !"); 
-      delete rl;
-      return 1;
-   }
-   AliESDEvent* event = new AliESDEvent();
-   TTree* tree = (TTree*) ef->Get("esdTree");
-   if (!tree) {
-      ::Error("AliESDComparison.C", "no ESD tree found");
-      delete rl;
-      return 1;
-   }
-   event->ReadFromTree(tree);
-
-   //****** Tentative particle type "concentrations"
-   Double_t c[5]={0.01, 0.01, 0.85, 0.10, 0.05};
-   //Double_t c[5]={0.2, 0.2, 0.2, 0.2, 0.2};
-   AliPID::SetPriors(c);
-
-
-   //******* The loop over events
-   Int_t e=0;
-   while (tree->GetEvent(e)) {
-      cout<<endl<<endl<<"********* Processing event number: "<<e<<"*******\n";
-
-      rl->GetEvent(e);
- 
-      e++;
-
-      Int_t ntrk=event->GetNumberOfTracks();
-      cerr<<"Number of ESD tracks : "<<ntrk<<endl; 
-
-      Int_t pisel=0,kasel=0,prsel=0,nsel=0;
-
-      AliStack *stack = rl->Stack();
-
-      while (ntrk--) {
-        AliESDtrack *t=event->GetTrack(ntrk);
-
-       //*** Some track quality cuts ****
-        if (t->GetITSclusters(0) < 6 ) continue;
-        if (t->GetTPCclusters(0) < 60) continue;
-        //if (t->GetTRDclusters(0) < 60) continue;
-
-        if (!t->IsOn(AliESDtrack::kESDpid)) continue;
-        if (!t->IsOn(AliESDtrack::kITSpid)) continue;
-        if (!t->IsOn(AliESDtrack::kTPCpid)) continue;
-        //if (!t->IsOn(AliESDtrack::kTRDpid)) continue;
-        if (!t->IsOn(AliESDtrack::kTOFpid)) continue;
-        {
-           nsel++;
-
-           Double_t p=t->GetP();
-          Double_t dedx=t->GetTPCsignal();
-           tpcHist->Fill(p,dedx,1);
-
-           Int_t lab=TMath::Abs(t->GetLabel());
-           TParticle *part=stack->Particle(lab);
-           Int_t code=part->GetPdgCode();
-
-           Double_t r[10]; t->GetESDpid(r);
-           //t->GetITSpid(r);
-           //t->GetTPCpid(r);
-           //t->GetTRDpid(r);
-           //t->GetTOFpid(r);
-
-           AliPID pid(r);
-
-           Double_t w[10];
-           w[0]=pid.GetProbability(AliPID::kElectron);
-           w[1]=pid.GetProbability(AliPID::kMuon);
-           w[2]=pid.GetProbability(AliPID::kPion);
-           w[3]=pid.GetProbability(AliPID::kKaon);
-           w[4]=pid.GetProbability(AliPID::kProton);
-
-
-           if (TMath::Abs(code)==2212) prR->Fill(p);
-           if (w[4]>w[3] && w[4]>w[2] && w[4]>w[1] && w[4]>w[0]) {//proton
-             prsel++;
-             prG->Fill(p);
-              if (TMath::Abs(code)!=2212) prF->Fill(p);
-           }
-
-           if (TMath::Abs(code)==321) kaR->Fill(p);
-           if (w[3]>w[4] && w[3]>w[2] && w[3]>w[1] && w[3]>w[0]) {//kaon
-             kasel++;
-             kaG->Fill(p);
-              if (TMath::Abs(code)!=321) kaF->Fill(p);
-           }
-
-          if (TMath::Abs(code)==211) piR->Fill(p);
-          if (w[2]>w[4] && w[2]>w[3] && w[2]>w[0] && w[2]>w[1]) {//pion
-             pisel++;
-             piG->Fill(p);
-             if (TMath::Abs(code)!=211) piF->Fill(p);
-           }
-       }
-      }
-      cout<<"Number of selected ESD tracks : "<<nsel<<endl;
-      cout<<"Number of selected pion ESD tracks : "<<pisel<<endl;
-      cout<<"Number of selected kaon ESD tracks : "<<kasel<<endl;
-      cout<<"Number of selected proton ESD tracks : "<<prsel<<endl;
-
-      allnsel+=nsel; allpisel+=pisel; allkasel+=kasel; allprsel+=prsel;
-
-   } // ***** End of the loop over events
-
-   delete event;
-   delete tree;
-   ef->Close();
-
-   TCanvas *c1=(TCanvas*)gROOT->FindObject("c1");
-   if (!c1) {
-      c1=new TCanvas("c1","",0,0,600,1200);
-      c1->Divide(1,4);
-   }
-
-   c1->cd(1);
-   tpcHist->Draw();
-
-   c1->cd(2);
-   //piG->Sumw2(); piF->Sumw2(); piR->Sumw2();
-   piGood->Add(piG,piF,1,-1);
-   piGood->Divide(piGood,piR,1,1,"b");
-   piFake->Divide(piF,piG,1,1,"b");
-   piGood->Draw("hist");
-   piFake->Draw("same");
-
-   c1->cd(3);
-   //kaG->Sumw2(); kaF->Sumw2(); kaR->Sumw2();
-   kaGood->Add(kaG,kaF,1,-1);
-   kaGood->Divide(kaGood,kaR,1,1,"b");
-   kaFake->Divide(kaF,kaG,1,1,"b");
-   kaGood->Draw("hist");
-   kaFake->Draw("same");
-
-   c1->cd(4);
-   //prG->Sumw2(); prF->Sumw2(); prR->Sumw2();
-   prGood->Add(prG,prF,1,-1);
-   prGood->Divide(prGood,prR,1,1,"b");
-   prFake->Divide(prF,prG,1,1,"b");
-   prGood->Draw("hist");
-   prFake->Draw("same");
-
-   c1->Update();
-
-   cout<<endl;
-   cout<<endl;
-   e=(Int_t)piR->GetEntries();
-   Int_t o=(Int_t)piG->GetEntries();
-   if (e*o) cout<<"Efficiency (contamination) for pions : "<<
-      piGood->GetEntries()/e<<'('<<piF->GetEntries()/o<<')'<<endl; 
-   e=(Int_t)kaR->GetEntries();
-   o=(Int_t)kaG->GetEntries();
-   if (e*o) cout<<"Efficiency (contamination) for kaons : "<<
-      kaGood->GetEntries()/e<<'('<<kaF->GetEntries()/o<<')'<<endl; 
-   e=(Int_t)prR->GetEntries();
-   o=(Int_t)prG->GetEntries();
-   if (e*o) cout<<"Efficiency (contamination) for protons : "<<
-      prGood->GetEntries()/e<<'('<<prF->GetEntries()/o<<')'<<endl;
-   cout<<endl; 
-
-   cout<<"Total number of selected ESD tracks : "<<allnsel<<endl;
-   cout<<"Total number of selected pion ESD tracks : "<<allpisel<<endl;
-   cout<<"Total number of selected kaon ESD tracks : "<<allkasel<<endl;
-   cout<<"Total number of selected proton ESD tracks : "<<allprsel<<endl;
-
-   ef->Close();
-   TFile fc("AliESDComparison.root","RECREATE");
-   c1->Write();
-   fc.Close();
-
-   gBenchmark->Stop("AliESDComparison");
-   gBenchmark->Show("AliESDComparison");
-
-   delete rl;
-   return 0;
-}