void ExtractOutputHistos(Bool_t onlyPrims=0,Bool_t onlyPion=0,Int_t plotFlag=0) {
// gROOT->SetStyle("Plain");
gStyle->SetPalette(1);
const Int_t nbins=20;
Double_t ptmin=0.06;//04;
Double_t ptmax=2.0;//GeV
Double_t logxmin = TMath::Log10(ptmin);
Double_t logxmax = TMath::Log10(ptmax);
Double_t binwidth = (logxmax-logxmin)/(nbins+1);
enum {nb=nbins+1};
Double_t xbins[nb];
xbins[0] = ptmin;
for (Int_t i=1;i<=nbins;i++) {
xbins[i] = ptmin + TMath::Power(10,logxmin+(i)*binwidth);
// cout<<xbins[i]<<endl;
}
// TH1F *h = new TH1F("h","hist with log x axis",nbins,xbins);
TH1F *hMultCount = new TH1F("mult","averaged multiplicity (charg. prim)",80,-4.,4.);
hMultCount->GetXaxis()->SetTitle("eta");
hMultCount->GetYaxis()->SetTitle("N/d#eta");
TH1F *hAllMC = new TH1F("allMC","All Tracks MC primaries",nbins,xbins);
TH1F *hAllFound = new TH1F("allFound","All Tracks found",nbins,xbins);
TH1F *hImperfect = new TH1F("imperfect","Imperfect tracks",nbins,xbins);
TH1F *hPerfect = new TH1F("perfect","Perfect tracks",nbins,xbins);
TH1F *hEff = new TH1F("efficiency","Efficiency (Perfect tracks in \"ALL MC\")",nbins,xbins);
TH1F *hFake = new TH1F("fake","Fake tracks (Inperfect tracks in \"ALL MC\")",nbins,xbins);
TH1F *hPurity = new TH1F("purity","Purity (Perfect tracks in \"All Found\")",nbins,xbins);
TH1F *hAnna = new TH1F("annaEff","AnnalisaEff ",nbins,xbins);
TH1F *hNoMCTrack = new TH1F("noMCtrack","noMCtrack ",nbins,xbins);
TH1F *hEta = new TH1F("","",50,-2,2);
// TH1F *hEtaMC = new TH1F("","",50,-2,2);
TH2D *h2Ddca = new TH2D("dca2D","DCAvsPt2D",nbins,xbins,50,-0.05,0.05);
TH2D *h2Dpt = new TH2D("dPt2D","dPtdvsPt2D",nbins,xbins,50,-25,25);
// open run loader and load gAlice, kinematics and header
AliRunLoader* runLoader = AliRunLoader::Open("galice.root");
if (!runLoader) {
Error("Check kine", "getting run loader from file %s failed",
"galice.root");
return;
}
runLoader->LoadgAlice();
gAlice = runLoader->GetAliRun();
if (!gAlice) {
Error("Check kine", "no galice object found");
return;
}
runLoader->LoadHeader();
runLoader->LoadKinematics();
TFile* esdFile = TFile::Open("AliESDs.root");
if (!esdFile || !esdFile->IsOpen()) {
Error("CheckESD", "opening ESD file %s failed", "AliESDs.root");
return;
}
AliESDEvent *esd = new AliESDEvent();
TTree* tree = (TTree*) esdFile->Get("esdTree");
if (!tree) {
Error("CheckESD", "no ESD tree found");
return;
}
esd->ReadFromTree(tree);
Int_t nTrackTotalMC = 0;
Int_t nTrackFound = 0;
Int_t nTrackImperfect = 0;
Int_t nTrackPerfect = 0;
Int_t nNoMCTrack = 0;
for(Int_t iEv =0; iEv<tree->GetEntries(); iEv++){
tree->GetEvent(iEv);
runLoader->GetEvent(iEv);
printf("+++ event %i (of %lld) +++++++++++++++++++++++ # ESDtracks: %d \n",iEv,tree->GetEntries()-1,esd->GetNumberOfTracks());
Int_t nESDtracks = esd->GetNumberOfTracks();
for (Int_t iTrack = 0; iTrack < nESDtracks; iTrack++) {
AliESDtrack* track = esd->GetTrack(iTrack);
if (!(iTrack%1000)) printf("event %i: ESD track count %d (of %d)\n",iEv,iTrack,nESDtracks);
Int_t label = track->GetLabel();
Int_t idx[12];
// Int_t ncl = track->GetITSclusters(idx);
if(label<0) {
// cout<< " ESD track label " << label;
// cout<<" ---> imperfect track (label "<<label<<"<0) !! -> track Pt: "<< track->Pt() << endl;
}
AliStack* stack = runLoader->Stack();
// nTrackTotalMC += stack->GetNprimary();
TParticle* particle = stack->Particle(TMath::Abs(label));
Double_t pt = track->Pt();
if(particle) {
if (TMath::Abs(particle->Eta())>etaCut) continue;
Double_t ptMC = particle->Pt();
// Efficiencies
if (onlyPion && TMath::Abs(particle->GetPdgCode())!=211) continue;
if ( (!onlyPrims) || stack->IsPhysicalPrimary(TMath::Abs(label))) {
// cout<<" # clusters "<<ncl<<endl;
nTrackFound++;
hAllFound->Fill(ptMC);
hEta->Fill(track->Eta());
if (label<0) {
nTrackImperfect++;
hImperfect->Fill(ptMC);
} else {
nTrackPerfect++;
hPerfect->Fill(ptMC);
}
}
// following only for "true tracks, pions
if(particle->Pt() < 0.001)continue;
if (TMath::Abs(particle->GetPdgCode())!=211) continue;
if (label>0) {
// Impact parameters for Pions only
Double_t dca = track->GetD(0,0,0.5);
h2Ddca->Fill(ptMC,dca);
// Pt resolution for Pions only
Double_t dPt = (pt-ptMC)/ptMC*100;
h2Dpt->Fill(ptMC,dPt);
}
} else {
nNoMCTrackFound++;
hNoMCTrack->Fill(pt);
cout<<" according MC particle not found"<<endl;
}
} //entries track esd
}//entries tree
runLoader->UnloadHeader();
runLoader->UnloadKinematics();
delete runLoader;
// Count trackable MC tracks
CountTrackableMCs(hAllMC, onlyPrims, onlyPion);
// Count trackable MC tracks
CountPrimaries(hMultCount);
// Get Errors right
hMultCount->Sumw2();
hAllMC->Sumw2();
hAllFound->Sumw2();
hPerfect->Sumw2();
hImperfect->Sumw2();
h2Dpt->Sumw2();
h2Ddca->Sumw2();
// -- Global efficienies
nTrackTotalMC = hAllMC->GetEntries();
Double_t eff = ((Double_t)nTrackPerfect)/nTrackTotalMC;
printf("-> Total number of events: %lld -> MCtracks %d -> nPerfect %d -> Eff: %3.2lf \n",
tree->GetEntries(),nTrackTotalMC,nTrackPerfect,eff);
Double_t purity = ((Double_t)nTrackPerfect)/nTrackFound;
printf("-> Total number of events: %lld -> FoundTracks %d -> nPerfect %d -> Purity: %3.2lf \n",
tree->GetEntries(),nTrackFound,nTrackPerfect,purity);
// Efficiencies - and normalize to 100%
TF1 f1("f1","100+x*0",0.,1.e3);
hPurity->Divide(hPerfect,hAllFound,1,1,"b");
hPurity->Multiply(&f1);
hPurity->SetMarkerColor(kGreen);
hPurity->SetMarkerStyle(21);
hPurity->GetXaxis()->SetTitle("transverse momentum p_{t} (GeV)");
hPurity->SetStats(0);
hPurity->GetYaxis()->SetRangeUser(0,100);
hPurity->SetTitle("Efficiency & Purity");
hEff->Divide(hPerfect,hAllMC,1,1,"b");
hEff->Multiply(&f1);
hEff->GetXaxis()->SetTitle("transverse momentum p_{t} (GeV)");
hEff->SetMarkerColor(kBlue);
hEff->SetMarkerStyle(21);
hEff->SetStats(0);
hFake->Divide(hImperfect,hAllMC,1,1,"b");
hFake->Multiply(&f1);
hFake->GetXaxis()->SetTitle("transverse momentum p_{t} (GeV)");
hFake->SetMarkerColor(kRed);
hFake->SetMarkerStyle(21);
hFake->SetStats(0);
hAnna->Divide(hAllFound,hAllMC,1,1,"b");
hAnna->Multiply(&f1);
hAnna->GetXaxis()->SetTitle("transverse momentum p_{t} (GeV)");
hAnna->SetMarkerColor(kBlack);
hAnna->SetMarkerStyle(21);
hAnna->SetStats(0);
TCanvas *c1 = new TCanvas("c1","NoMCTrackFound");//,200,10,900,900);
TVirtualPad *pad = c1->cd();
pad->SetGridx(); pad->SetGridy();
hNoMCTrack->Draw();
TCanvas *c2 = new TCanvas("c2","Eff&Purity");//,200,10,900,900);
TVirtualPad *pad = c2->cd();
pad->SetGridx(); pad->SetGridy();
// pad->SetLogx();
hPurity->Draw("E");
hEff->Draw("Same E");
hFake->Draw("Same E");
hAnna->Draw("Same E");
TLegend *leg = new TLegend(0.1,0.8,0.6,0.9);leg->SetFillColor(0);
leg->AddEntry(hPurity,"Purity (\"Perfect tracks\" within \"Found Tracks\")","PE");
leg->AddEntry(hEff,"Efficiency (\"Perfect tracks\" within \"MC findable Tracks\")","PE");
leg->AddEntry(hFake,"Fake (\"Inperfect tracks\" within \"MC findable Tracks\")","PE");
leg->AddEntry(hAnna,"AnnaLisa - Efficiency (\"Found tracks\" within \"MC findable Tracks\")","PE");
leg->Draw();
if (plotFlag==1){
hAllMC->GetXaxis()->SetTitle("transverse momentum p_{t} (GeV)");
hAllMC->Draw(); // MC pt distribution
hAllFound->SetLineColor(2);
hAllFound->Draw("same"); // MC pt distribution
}
/*
.L ~/ITSupgrade/BuildDetector/DetectorK.cxx+
// All NEW
DetectorK its("ALICE","ITS");
its.MakeAliceAllNew(0);
its.SetMaxRadiusOfSlowDetectors(0.01);
its.SolveViaBilloir(0);
TGraph *c = its.GetGraphRecoEfficiency(0,3,2);
c->Draw("C");
// Current
DetectorK its("ALICE","ITS");
its.MakeAliceCurrent(0,0);
its.SetMaxRadiusOfSlowDetectors(0.01);
its.SolveViaBilloir(0);
TGraph *c = its.GetGraphRecoEfficiency(0,4,2);
c->Draw("C");
*/
TCanvas *c3 = new TCanvas("c3","impact");//,200,10,900,900);
c3->Divide(2,1); c3->cd(1);
// Impact parameter
// Impact parameter resolution ---------------
h2Ddca->Draw("colz");
h2Ddca->FitSlicesY() ;
TH2D *dcaM = (TH2D*)gDirectory->Get("dca2D_1"); dcaM->Draw("same");
TH2D *dcaRMS = (TH2D*)gDirectory->Get("dca2D_2"); //dcaRMS->Draw();
TGraphErrors *d0 = new TGraphErrors();
for (Int_t ibin =1; ibin<=dcaRMS->GetXaxis()->GetNbins(); ibin++) {
d0->SetPoint( ibin-1,dcaRMS->GetBinCenter(ibin),dcaRMS->GetBinContent(ibin)*1e4); // microns
d0->SetPointError(ibin-1,0,dcaRMS->GetBinError(ibin)*1e4); // microns
}
d0->SetMarkerStyle(21);
d0->SetMaximum(200); d0->SetMinimum(0);
d0->GetXaxis()->SetTitle("transverse momentum p_{t} (GeV)");
d0->GetYaxis()->SetTitle("R-#phi Pointing Resolution (#mum)");
d0->SetName("dca"); d0->SetTitle("DCAvsPt");
c3->cd(1); h2Ddca->Draw("surf2");
c3->cd(2); d0->Draw("APE");
// PT RESOLUTION ------------
TCanvas *c4 = new TCanvas("c4","pt resolution");//,200,10,900,900);
c4->Divide(2,1); c4->cd(1);
// Impact parameter
h2Dpt->Draw("colz");
h2Dpt->FitSlicesY() ;
TH2D *dPtM = (TH2D*)gDirectory->Get("dPt2D_1"); dPtM->Draw("same");
TH2D *dPtRMS = (TH2D*)gDirectory->Get("dPt2D_2"); // dPtRMS->Draw("");
TGraphErrors *gPt = new TGraphErrors();
for (Int_t ibin =1; ibin<=dPtRMS->GetXaxis()->GetNbins(); ibin++) {
gPt->SetPoint( ibin-1,dPtRMS->GetBinCenter(ibin),dPtRMS->GetBinContent(ibin));
gPt->SetPointError(ibin-1,0,dPtRMS->GetBinError(ibin));
}
gPt->SetMarkerStyle(21);
gPt->SetMaximum(20); gPt->SetMinimum(0);
gPt->GetXaxis()->SetTitle("transverse momentum p_{t} (GeV)");
gPt->GetYaxis()->SetTitle("relative momentum resolution (%)");
gPt->SetName("dPt"); gPt->SetTitle("DPTvsPt");
c4->cd(1); h2Dpt->Draw("surf2");
c4->cd(2); gPt->Draw("APE");
// EXPORT --------
TFile f("histos.root","RECREATE");
hMultCount->Write();
hAllMC->Write();
hAllFound->Write();
hImperfect->Write();
hPerfect->Write();
hNoMCTrack->Write();
hPurity->Write();
hEff->Write();
hFake->Write();
hAnna->Write();
h2Ddca->Write();
d0->Write();
h2Dpt->Write();
gPt->Write();
f.Close();
return;
}
void plotMerged(Bool_t onlyPlot=0) {
gStyle->SetPalette(1);
TFile f("histoSum.root","UPDATE");
TH1F* hAllMC = f.Get("allMC");
TH1F* hAllFound= f.Get("allFound");
TH1F* hImperfect= f.Get("imperfect");
TH1F* hPerfect= f.Get("perfect");
TH1F* hNoMCTrack= f.Get("noMCtrack");
// have to be recalculated
TH1F* hPurity = f.Get("purity");
TH1F* hEff= f.Get("efficiency");
TH1F* hFake= f.Get("fake");
TH1F* hAnna= f.Get("annaEff");
TH2D* h2Ddca= f.Get("dca2D");
TGraphErrors *d0= f.Get("dca");
TH2D* h2Dpt= f.Get("dPt2D");
TGraphErrors *gPt= f.Get("dPt");
if (!onlyPlot) {
/* // Get Errors right
hAllMC->Sumw2();
hAllFound->Sumw2();
hPerfect->Sumw2();
hImperfect->Sumw2();
h2Dpt->Sumw2();
h2Ddca->Sumw2();
*/
// Efficiencies - and normalize to 100%
TF1 f1("f1","100+x*0",0.,1.e3);
hPurity->Divide(hPerfect,hAllFound,1,1,"b");
hPurity->Multiply(&f1);
hPurity->SetMarkerColor(kGreen);
hPurity->SetMarkerStyle(21);
hPurity->GetXaxis()->SetTitle("transverse momentum p_{t} (GeV)");
hPurity->SetStats(0);
hPurity->GetYaxis()->SetRangeUser(0,100);
hPurity->SetTitle("Efficiency & Purity");
hEff->Divide(hPerfect,hAllMC,1,1,"b");
hEff->Multiply(&f1);
hEff->GetXaxis()->SetTitle("transverse momentum p_{t} (GeV)");
hEff->SetMarkerColor(kBlue);
hEff->SetMarkerStyle(21);
hEff->SetStats(0);
hFake->Divide(hImperfect,hAllMC,1,1,"b");
hFake->Multiply(&f1);
hFake->GetXaxis()->SetTitle("transverse momentum p_{t} (GeV)");
hFake->SetMarkerColor(kRed);
hFake->SetMarkerStyle(21);
hFake->SetStats(0);
hAnna->Divide(hAllFound,hAllMC,1,1,"b");
hAnna->Multiply(&f1);
hAnna->GetXaxis()->SetTitle("transverse momentum p_{t} (GeV)");
hAnna->SetMarkerColor(kBlack);
hAnna->SetMarkerStyle(21);
hAnna->SetStats(0);
// Impact parameter resolution ---------------
TCanvas *c3 = new TCanvas("c3","impact");//,200,10,900,900);
c3->Divide(2,1); c3->cd(1);
h2Ddca->DrawCopy("colz");
h2Ddca->FitSlicesY() ;
TH2D *dcaM = (TH2D*)gDirectory->Get("dca2D_1"); dcaM->Draw("same");
TH2D *dcaRMS = (TH2D*)gDirectory->Get("dca2D_2"); //dcaRMS->Draw();
TGraphErrors *d0 = new TGraphErrors();
for (Int_t ibin =1; ibin<=dcaRMS->GetXaxis()->GetNbins(); ibin++) {
d0->SetPoint( ibin-1,dcaRMS->GetBinCenter(ibin),dcaRMS->GetBinContent(ibin)*1e4); // microns
d0->SetPointError(ibin-1,0,dcaRMS->GetBinError(ibin)*1e4); // microns
}
d0->SetMarkerStyle(21);
d0->SetMaximum(200); d0->SetMinimum(0);
d0->GetXaxis()->SetTitle("transverse momentum p_{t} (GeV)");
d0->GetYaxis()->SetTitle("R-#phi Pointing Resolution (#mum)");
d0->SetName("dca"); d0->SetTitle("DCAvsPt");
// c3->cd(1); h2Ddca->Draw("surf2");
c3->cd(2); d0->Draw("APE");
// PT RESOLUTION ------------
TCanvas *c4 = new TCanvas("c4","pt resolution");//,200,10,900,900);
c4->Divide(2,1); c4->cd(1);
h2Dpt->DrawCopy("colz");
h2Dpt->FitSlicesY() ;
TH2D *dPtM = (TH2D*)gDirectory->Get("dPt2D_1"); dPtM->Draw("same");
TH2D *dPtRMS = (TH2D*)gDirectory->Get("dPt2D_2"); // dPtRMS->Draw("");
TGraphErrors *gPt = new TGraphErrors();
for (Int_t ibin =1; ibin<=dPtRMS->GetXaxis()->GetNbins(); ibin++) {
gPt->SetPoint( ibin-1,dPtRMS->GetBinCenter(ibin),dPtRMS->GetBinContent(ibin));
gPt->SetPointError(ibin-1,0,dPtRMS->GetBinError(ibin));
}
gPt->SetMarkerStyle(21);
gPt->SetMaximum(20); gPt->SetMinimum(0);
gPt->GetXaxis()->SetTitle("transverse momentum p_{t} (GeV)");
gPt->GetYaxis()->SetTitle("relative momentum resolution (%)");
gPt->SetName("dPt"); gPt->SetTitle("DPTvsPt");
// c4->cd(1); h2Dpt->Draw("surf2");
c4->cd(2); gPt->Draw("APE");
// overwrite with normalized graphs
hPurity->Write();
hEff->Write();
hFake->Write();
hAnna->Write();
h2Ddca->Write();
d0->Write();
h2Dpt->Write();
gPt->Write();
}
// Plots
TCanvas *c2 = new TCanvas("c2","Eff&Purity");//,200,10,900,900);
TVirtualPad *pad = c2->cd();
pad->SetGridx(); pad->SetGridy();
// pad->SetLogx();
TLegend *leg = new TLegend(0.1,0.8,0.6,0.9);leg->SetFillColor(0);
leg->AddEntry(hPurity,"Purity (\"Perfect tracks\" within \"Found Tracks\")","PE");
leg->AddEntry(hEff,"Efficiency (\"Perfect tracks\" within \"MC findable Tracks\")","PE");
leg->AddEntry(hFake,"Fake (\"Inperfect tracks\" within \"MC findable Tracks\")","PE");
leg->AddEntry(hAnna,"AnnaLisa - Efficiency (\"Found tracks\" within \"MC findable Tracks\")","PE");
hPurity->DrawCopy("E");
hEff->DrawCopy("Same E");
hFake->DrawCopy("Same E");
hAnna->DrawCopy("Same E");
leg->Draw();
c2->SaveAs("EffPlot.png");
f.Close();
}
