void PrintTrack(Int_t i)
{
AliESDtrack* tr = esdEv->GetTrack(i);
if (!tr) return;
AliESDfriendTrack* trf = tr->GetFriendTrack();
if (!trf || !trf->GetTrackPointArray()) trf=0;
printf("%3d: its:%d tpc:%d trd:%d tof:%d | P:%6.2f Fr:%s\n",
i,
tr->IsOn(AliESDtrack::kITSrefit) ? tr->GetNcls(0) : -tr->GetNcls(0),
tr->IsOn(AliESDtrack::kTPCrefit) ? tr->GetNcls(1) : -tr->GetNcls(1),
tr->IsOn(AliESDtrack::kTRDout) ? tr->GetNcls(2) : -tr->GetNcls(2),
tr->IsOn(AliESDtrack::kTOFout),
tr->GetP(),trf ? "ON":"OFF");
}
void CheckSDDInESD(TString filename="AliESDs.root", Int_t optTracks=kAll){
TFile* esdFile = TFile::Open(filename.Data());
if (!esdFile || !esdFile->IsOpen()) {
printf("Error in opening ESD file");
return;
}
AliESDEvent * esd = new AliESDEvent;
TTree* tree = (TTree*) esdFile->Get("esdTree");
if (!tree) {
printf("Error: no ESD tree found");
return;
}
esd->ReadFromTree(tree);
TH1F* hpt=new TH1F("hpt","",100,0.,10.);
TH1F* hphi=new TH1F("hphi","",100,-1,1);
TH1F* hlam=new TH1F("hlam","",100,-2.,2.);
TH1F* halpha=new TH1F("halpha","",100,-7,7);
TH1F* hitscl=new TH1F("hitscl","",7,-0.5,6.5);
TH1F* htpccl=new TH1F("htpccl","",200,-0.5,199.5);
TH1F* hitsmap=new TH1F("hitsmap","",64,-0.5,63.5);
TH1F* hclulay=new TH1F("hclulay","",7,-1.5,5.5);
TH1F* hvx=new TH1F("hvx","",100,-1.,1.);
TH1F* hvy=new TH1F("hvy","",100,-1.,1.);
TH1F* hvz=new TH1F("hvz","",100,-20.,20.);
TH1F* hdedx3=new TH1F("hdedx3","",100,0.,300.);
TH1F* hdedx4=new TH1F("hdedx4","",100,0.,300.);
TH1F* hdedx5=new TH1F("hdedx5","",100,0.,300.);
TH1F* hdedx6=new TH1F("hdedx6","",100,0.,300.);
TH1F* hStatus=new TH1F("hStatus","",11,-1.5,9.5);
// -- Local coordinates
// -- Module histos
TH1F* hAllPMod = new TH1F("hAllPmod","Crossing Tracks vs. Module",260,239.5,499.5);
TH1F* hGoodPMod = new TH1F("hGoodPmod","PointsAssocToTrack per Module",260,239.5,499.5);
TH1F* hBadRegMod = new TH1F("hBadRegmod","Tracks in BadRegion per Module",260,239.5,499.5);
TH1F* hMissPMod = new TH1F("hMissPmod","Missing Points per Module",260,239.5,499.5);
TH1F* hSkippedMod = new TH1F("hSkippedmod","Tracks in Skipped Module",260,239.5,499.5);
TH1F* hOutAccMod = new TH1F("hOutAccmod","Tracks outside zAcc per Module",260,239.5,499.5);
TH1F* hNoRefitMod = new TH1F("hNoRefitmod","Points rejected in refit per Module",260,239.5,499.5);
TH1F* hAllPXloc = new TH1F("hAllPxloc","Crossing Tracks vs. Xloc",75, -3.75, 3.75);
TH1F* hGoodPXloc = new TH1F("hGoodPxloc","PointsAssocToTrack vs. Xloc",75, -3.75, 3.75);
TH1F* hBadRegXloc = new TH1F("hBadRegxloc","Tracks in BadRegion vs. Xloc",75, -3.75, 3.75);
TH1F* hMissPXloc = new TH1F("hMissPxloc","Missing Points vs. Xloc",75, -3.75, 3.75);
TH1F* hAllPZloc = new TH1F("hAllPzloc","Crossing Tracks vs. Zloc",77, -3.85, 3.85);
TH1F* hGoodPZloc = new TH1F("hGoodPzloc","PointsAssocToTrack vs. Zloc",77, -3.85, 3.85);
TH1F* hBadRegZloc = new TH1F("hBadRegzloc","Tracks in BadRegion vs. Zloc",77, -3.85, 3.85);
TH1F* hMissPZloc = new TH1F("hMissPzloc","Missing Points vs. Zloc",77, -3.85, 3.85);
TH2F* hdEdxVsMod=new TH2F("hdEdxVsMod","dE/dx vs. mod",260,239.5,499.5,100,0.,500.);
gStyle->SetPalette(1);
for (Int_t iEvent = 0; iEvent < tree->GetEntries(); iEvent++) {
tree->GetEvent(iEvent);
if (!esd) {
printf("Error: no ESD object found for event %d", iEvent);
return;
}
cout<<"-------- Event "<<iEvent<<endl;
printf(" Tracks # = %d\n",esd->GetNumberOfTracks());
const AliESDVertex *spdv=esd->GetVertex();
printf(" SPD Primary Vertex in %f %f %f with %d contributors\n",spdv->GetX(),spdv->GetY(),spdv->GetZ(),spdv->GetNContributors());
const AliESDVertex *trkv=esd->GetPrimaryVertex();
printf(" Track Primary Vertex with %d contributors\n",trkv->GetNContributors());
if(spdv->IsFromVertexer3D()){
hvx->Fill(spdv->GetX());
hvy->Fill(spdv->GetY());
hvz->Fill(spdv->GetZ());
}
Double_t itss[4];
for (Int_t iTrack = 0; iTrack < esd->GetNumberOfTracks(); iTrack++) {
AliESDtrack* track = esd->GetTrack(iTrack);
Int_t nITSclus=track->GetNcls(0);
UChar_t clumap=track->GetITSClusterMap();
Int_t nPointsForPid=0;
for(Int_t i=2; i<6; i++){
if(clumap&(1<<i)) ++nPointsForPid;
}
// track->PropagateTo(4.,5.);
htpccl->Fill(track->GetNcls(1));
ULong64_t status=track->GetStatus();
Bool_t tpcin=0;
hStatus->Fill(-1.);
if(status & AliESDtrack::kTPCin){
tpcin=1;
hStatus->Fill(0.);
}
if(status & AliESDtrack::kTPCout){
hStatus->Fill(1.);
}
if(status & AliESDtrack::kTPCrefit){
hStatus->Fill(2.);
}
Bool_t itsin=0;
if(status & AliESDtrack::kITSin){
itsin=1;
hStatus->Fill(3.);
}
if(status & AliESDtrack::kITSout){
hStatus->Fill(4.);
}
if(status & AliESDtrack::kITSrefit){
hStatus->Fill(5.);
}
if(!tpcin && itsin){
hStatus->Fill(6.);
}
if(status & AliESDtrack::kITSpureSA){
hStatus->Fill(7.);
}
if(status & AliESDtrack::kITSrefit){
if((optTracks==kTPCITS) && !(status & AliESDtrack::kTPCin)) continue;
if((optTracks==kITSsa) && (status & AliESDtrack::kTPCin)) continue;
if((optTracks==kITSsa) && (status & AliESDtrack::kITSpureSA)) continue;
if((optTracks==kITSpureSA) && (status & AliESDtrack::kITSpureSA)) continue;
track->GetITSdEdxSamples(itss);
// printf("Track %d (label %d) in ITS with %d clusters clumap %d pointspid= %d\n",iTrack,track->GetLabel(),nITSclus,clumap,nPointsForPid);
//printf(" dedx=%f %f %f %f\n",itss[0],itss[1],itss[2],itss[3]);
hitscl->Fill(nITSclus);
hdedx3->Fill(itss[0]);
hdedx4->Fill(itss[1]);
hdedx5->Fill(itss[2]);
hdedx6->Fill(itss[3]);
hitsmap->Fill(clumap);
hclulay->Fill(-1.);
for(Int_t iLay=0;iLay<6;iLay++){
if(clumap&1<<iLay) hclulay->Fill(iLay);
}
hpt->Fill(track->Pt());
hphi->Fill(TMath::ASin(track->GetSnp()));
hlam->Fill(TMath::ATan(track->GetTgl()));
halpha->Fill(track->GetAlpha());
Int_t iMod,status;
Float_t xloc,zloc;
for(Int_t iLay=2; iLay<=3; iLay++){
Bool_t ok=track->GetITSModuleIndexInfo(iLay,iMod,status,xloc,zloc);
if(ok){
iMod+=240;
hAllPMod->Fill(iMod);
hAllPXloc->Fill(xloc);
hAllPZloc->Fill(zloc);
if(status==1){
hGoodPMod->Fill(iMod);
hGoodPXloc->Fill(xloc);
hGoodPZloc->Fill(zloc);
if(track->Pt()>1.) hdEdxVsMod->Fill(iMod,itss[iLay-2]);
}
else if(status==2){
hBadRegMod->Fill(iMod);
hBadRegXloc->Fill(xloc);
hBadRegZloc->Fill(zloc);
}
else if(status==3) hSkippedMod->Fill(iMod);
else if(status==4) hOutAccMod->Fill(iMod);
else if(status==5){
hMissPMod->Fill(iMod);
hMissPXloc->Fill(xloc);
hMissPZloc->Fill(zloc);
}
else if(status==6) hNoRefitMod->Fill(iMod);
}
}
}
}
}
Float_t norm=hclulay->GetBinContent(1);
if(norm<1.) norm=1.;
hclulay->Scale(1./norm);
gStyle->SetLineWidth(2);
TCanvas* c1=new TCanvas("c1","Track quantities",900,900);
c1->Divide(2,2);
c1->cd(1);
htpccl->Draw();
htpccl->GetXaxis()->SetTitle("Clusters in TPC ");
c1->cd(2);
hitscl->Draw();
hitscl->GetXaxis()->SetTitle("Clusters in ITS ");
c1->cd(3);
hclulay->Draw();
hclulay->GetXaxis()->SetRange(2,7);
hclulay->GetXaxis()->SetTitle("# ITS Layer");
hclulay->GetYaxis()->SetTitle("Fraction of tracks with point in Layer x");
c1->cd(4);
TCanvas* c2=new TCanvas("c2","dedx per Layer",900,900);
c2->Divide(2,2);
c2->cd(1);
hdedx3->Draw();
hdedx3->GetXaxis()->SetTitle("dE/dx Lay3");
c2->cd(2);
hdedx4->Draw();
hdedx4->GetXaxis()->SetTitle("dE/dx Lay4");
c2->cd(3);
hdedx5->Draw();
hdedx5->GetXaxis()->SetTitle("dE/dx Lay5");
c2->cd(4);
hdedx6->Draw();
hdedx6->GetXaxis()->SetTitle("dE/dx Lay6");
hdEdxVsMod->SetStats(0);
TCanvas* cdedx=new TCanvas("cdedx","dedx SDD",1400,600);
cdedx->SetLogz();
hdEdxVsMod->Draw("col");
hdEdxVsMod->GetXaxis()->SetTitle("SDD Module Id");
hdEdxVsMod->GetYaxis()->SetTitle("dE/dx (keV/300 #mum)");
hdEdxVsMod->GetYaxis()->SetTitleOffset(1.25);
TCanvas* cv=new TCanvas("cv","Vertex",600,900);
cv->Divide(1,3);
cv->cd(1);
hvx->Draw();
hvx->GetXaxis()->SetTitle("Xv (cm)");
cv->cd(2);
hvy->Draw();
hvy->GetXaxis()->SetTitle("Yv (cm)");
cv->cd(3);
hvz->Draw();
hvz->GetXaxis()->SetTitle("Xv (cm)");
hGoodPMod->SetStats(0);
hGoodPMod->SetTitle("");
TCanvas* ceff0=new TCanvas("ceff0","ModuleIndexInfo",1000,600);
hGoodPMod->Draw("e");
hGoodPMod->GetXaxis()->SetTitle("SDD Module Id");
hGoodPMod->GetYaxis()->SetTitle("Number of tracks");
hMissPMod->SetLineColor(2);
hMissPMod->SetMarkerColor(2);
hMissPMod->SetMarkerStyle(22);
hMissPMod->SetMarkerSize(0.5);
hMissPMod->Draw("psame");
hBadRegMod->SetLineColor(kGreen+1);
hBadRegMod->SetMarkerColor(kGreen+1);
hBadRegMod->SetMarkerStyle(20);
hBadRegMod->SetMarkerSize(0.5);
hBadRegMod->Draw("esame");
hSkippedMod->SetLineColor(kYellow);
hSkippedMod->Draw("esame");
hOutAccMod->SetLineColor(4);
hOutAccMod->Draw("esame");
hNoRefitMod->SetLineColor(6);
hNoRefitMod->Draw("esame");
TLatex* t1=new TLatex(0.7,0.85,"Good Point");
t1->SetNDC();
t1->SetTextColor(1);
t1->Draw();
TLatex* t2=new TLatex(0.7,0.8,"Missing Point");
t2->SetNDC();
t2->SetTextColor(2);
t2->Draw();
TLatex* t3=new TLatex(0.7,0.75,"Bad Region");
t3->SetNDC();
t3->SetTextColor(kGreen+1);
t3->Draw();
ceff0->Update();
TH1F* heff=new TH1F("heff","",260,239.5,499.5);
for(Int_t imod=0; imod<260;imod++){
Float_t numer=hGoodPMod->GetBinContent(imod+1)+hBadRegMod->GetBinContent(imod+1)+hOutAccMod->GetBinContent(imod+1)+hNoRefitMod->GetBinContent(imod+1);
Float_t denom=hAllPMod->GetBinContent(imod+1);
Float_t eff=0.;
Float_t erreff=0.;
if(denom>0){
eff=numer/denom;
erreff=TMath::Sqrt(eff*(1-eff)/denom);
}
heff->SetBinContent(imod+1,eff);
heff->SetBinError(imod+1,erreff);
}
printf("---- Modules with efficiency < 90%% ----\n");
heff->SetStats(0);
TCanvas* ceff1=new TCanvas("ceff1","Efficiency",1000,600);
heff->Draw();
heff->GetXaxis()->SetTitle("SDD Module Id");
heff->GetYaxis()->SetTitle("Fraction of tracks with point in good region");
for(Int_t ibin=1; ibin<=heff->GetNbinsX(); ibin++){
Float_t e=heff->GetBinContent(ibin);
if(e<0.9){
Int_t iMod=(Int_t)heff->GetBinCenter(ibin);
Int_t lay,lad,det;
AliITSgeomTGeo::GetModuleId(iMod,lay,lad,det);
printf("Module %d - Layer %d Ladder %2d Det %d - Eff. %.3f\n",iMod,lay,lad,det,heff->GetBinContent(ibin));
}
}
ceff1->Update();
hGoodPXloc->SetTitle("");
hGoodPZloc->SetTitle("");
hGoodPXloc->SetStats(0);
hGoodPZloc->SetStats(0);
hGoodPXloc->SetMinimum(0);
hGoodPZloc->SetMinimum(0);
TCanvas* ceff2=new TCanvas("ceff2","LocalCoord",1000,600);
ceff2->Divide(2,1);
ceff2->cd(1);
hGoodPXloc->Draw("e");
hGoodPXloc->GetXaxis()->SetTitle("Xlocal (cm)");
hGoodPXloc->GetYaxis()->SetTitle("Number of tracks");
hMissPXloc->SetLineColor(2);
hMissPXloc->SetMarkerColor(2);
hMissPXloc->SetMarkerStyle(22);
hMissPXloc->SetMarkerSize(0.5);
hMissPXloc->Draw("psame");
hBadRegXloc->SetLineColor(kGreen+1);
hBadRegXloc->SetMarkerColor(kGreen+1);
hBadRegXloc->SetMarkerStyle(20);
hBadRegXloc->SetMarkerSize(0.5);
hBadRegXloc->Draw("psame");
t1->Draw();
t2->Draw();
t3->Draw();
ceff2->cd(2);
hGoodPZloc->Draw("e");
hGoodPZloc->GetXaxis()->SetTitle("Zlocal (cm)");
hGoodPZloc->GetYaxis()->SetTitle("Number of tracks");
hMissPZloc->SetLineColor(2);
hMissPZloc->SetMarkerColor(2);
hMissPZloc->SetMarkerStyle(22);
hMissPZloc->SetMarkerSize(0.5);
hMissPZloc->Draw("psame");
hBadRegZloc->SetLineColor(kGreen+1);
hBadRegZloc->SetMarkerColor(kGreen+1);
hBadRegZloc->SetMarkerStyle(20);
hBadRegZloc->SetMarkerSize(0.5);
hBadRegZloc->Draw("psame");
t1->Draw();
t2->Draw();
t3->Draw();
ceff2->Update();
}
// analisi
Bool_t CheckSingle(const char* esdFileName,Bool_t kGRID){
//inizializzo a zero ncluster (di tree T)
//for (int ifc=0;ifc<10000;ifc++) ncluster[ifc]=0;
// check the content of the ESD
AliPIDResponse *pidr = new AliPIDResponse();
// open the ESD file
TFile* esdFile = TFile::Open(esdFileName);
if (!esdFile || !esdFile->IsOpen()){
Error("CheckESD", "opening ESD file %s failed", esdFileName);
return kFALSE;
}
TString mctrkref(esdFileName);
mctrkref.ReplaceAll("AliESDs.root","TrackRefs.root");
TString fgal(esdFileName);
fgal.ReplaceAll("AliESDs.root","galice.root");
if(kGRID){
fgal.Insert(0,"alien://");
mctrkref.Insert(0,"alien://");
}
TTree *trkref;
printf("ESD = %s\n",esdFileName);
TFile *ftrkref;
if(isMC) ftrkref = TFile::Open(mctrkref.Data());
AliHeader *h = new AliHeader();
TFile *fgalice;
if(isMC) fgalice = TFile::Open(fgal.Data());
TTree *tgalice;
if(isMC){
tgalice = (TTree *) fgalice->Get("TE");
tgalice->SetBranchAddress("Header",&h);
}
AliRunLoader* runLoader = NULL;
AliRun *gAlice;
if(isMC) runLoader = AliRunLoader::Open(fgal.Data());
if(runLoader){
runLoader->LoadgAlice();
gAlice = runLoader->GetAliRun();
if (!gAlice) {
Error("CheckESD", "no galice object found");
return kFALSE;
}
runLoader->LoadKinematics();
runLoader->LoadHeader();
}
AliESDEvent * esd = new AliESDEvent;
// printf("esd object = %x\n",esd);
TTree* tree = (TTree*) esdFile->Get("esdTree");
if (!tree){
Error("CheckESD", "no ESD tree found");
return kFALSE;
}
esd->ReadFromTree(tree); // crea link tra esd e tree
TClonesArray* tofcl; // array dinamico
TClonesArray* tofhit;
TClonesArray* tofmatch;
Int_t nev = tree->GetEntries(); //ogni entries evento
Float_t mag;
printf("nev = %i\n",nev);
//azzero il contatore delle tracce del TTree T
//ntracks=0;
AliStack* stack=NULL;
Int_t trkassociation[1000000];
for(Int_t ie=0;ie < nev;ie++){
if(runLoader){
runLoader->GetEvent(ie);
// select simulated primary particles, V0s and cascades
stack = runLoader->Stack();
}
if(isMC) trkref = (TTree *) ftrkref->Get(Form("Event%i/TreeTR",ie));
tree->GetEvent(ie);
if(isMC) tgalice->GetEvent(ie);
if(isMC) interactiontime = h->GenEventHeader()->InteractionTime()*1E+12;
mag = esd->GetMagneticField();
AliTOFHeader *tofh = esd->GetTOFHeader();
ntofcl = tofh->GetNumberOfTOFclusters();
esd->ConnectTracks(); // Deve essere sempre chiamato dopo aver letto l'evento (non troverebbe l'ESDevent). Scrivo in tutte le tracce l origine dell evento così poi da arrivare ovunque(tipo al cluster e al tempo quindi).
//Riempio variabile del tree "T"
//nevento=ie;
if(! esd->GetVertex()){
esd->ResetStdContent();
continue;// una volta fatto il connect manda un flag ; siccome qua c'era un continue(non si arriva in fondo al ciclo) bisogna resettarlo altrimenti lo trova già attivo.
}
tofcl = esd->GetESDTOFClusters(); // AliESDTOFCluster *cltof = tofcl->At(i);
if(tofcl->GetEntries() == 0){
esd->ResetStdContent();
continue;
}
tofhit = esd->GetESDTOFHits(); // AliESDTOFHit *hittof = tofhit->At(i);
tofmatch = esd->GetESDTOFMatches(); // AliESDTOFHit *mathctof = tofmatch->At(i);
// loop over tracks
pidr->SetTOFResponse(esd,AliPIDResponse::kTOF_T0); //per recuperare lo start time ("esd", "tipo start time"), tipo cioè o il TOF stesso o il T0 o il best, ovvero la combinazione dei 2
Int_t ntrk = esd->GetNumberOfTracks();
//printf("%i) TPC tracks = %i -- TOF cluster = %i - TOF hit = %i -- matchable info = %i\n",ie,ntrk,tofcl->GetEntries(),tofhit->GetEntries(),tofmatch->GetEntries());
Double_t time[AliPID::kSPECIESC];
if(isMC && stack){// create association trackref
printf("nMC track = %i\n",stack->GetNtrack());
for(Int_t ist=0;ist < stack->GetNtrack();ist++){
trkassociation[ist]=-1;
}
for(Int_t iref=0;iref < trkref->GetEntries();iref++){
trkref->GetEvent(iref);
Int_t trkreference = trkref->GetLeaf("TrackReferences.fTrack")->GetValue();
if(trkreference > -1 && trkreference < 1000000){
trkassociation[trkreference] = iref;
}
}
}
for (Int_t iTrack = 0; iTrack < ntrk; iTrack++){
AliESDtrack* track = esd->GetTrack(iTrack);
// select tracks of selected particles
if ((track->GetStatus() & AliESDtrack::kITSrefit) == 0) continue;//almeno un hit nell ITS
if (track->GetConstrainedChi2() > 4) continue; //se brutto X^2
if ((track->GetStatus() & AliESDtrack::kTOFout) == 0) continue; //se traccia matchata con tof
if(track->GetNumberOfTPCClusters() < 70) continue;
Float_t p =track->P();
itrig = 0;
timetrig = 0;
if(p > 0.9 && p < 1.1){
track->GetIntegratedTimes(time);
itrig = iTrack;
timetrig = track->GetTOFsignal() - time[2];
iTrack = ntrk;
}
}
printf("real loop, ntrk = %i\n",ntrk);
for (Int_t iTrack = 0; iTrack < ntrk; iTrack++){
AliESDtrack* track = esd->GetTrack(iTrack);
// select tracks of selected particles
if ((track->GetStatus() & AliESDtrack::kITSrefit) == 0) continue;//almeno un hit nell ITS
if (track->GetConstrainedChi2() > 4) continue; //se brutto X^2
//if ((track->GetStatus() & AliESDtrack::kTOFout) == 0) continue; //se traccia matchata con tof
if(track->GetNumberOfTPCClusters() < 70) continue;
TOFout = (track->GetStatus() & AliESDtrack::kTOFout) > 0;
track->GetIntegratedTimes(time);
Float_t dx = track->GetTOFsignalDx(); //leggo i residui tra traccia e canale tof acceso
Float_t dz = track->GetTOFsignalDz();
mism = 0;
dedx = track->GetTPCsignal();
Int_t label = TMath::Abs(track->GetLabel());
if(stack){
TParticle *part=stack->Particle(label);
pdg = part->GetPdgCode();
}
Int_t TOFlabel[3];
track->GetTOFLabel(TOFlabel);
// printf("%i %i %i %i\n",label,TOFlabel[0],TOFlabel[1],TOFlabel[2]);
ChannelTOF[0] = track->GetTOFCalChannel();
// printf("geant time = %f\n",gtime);
//getchar();
// if(TMath::Abs(dx) > 1.25 || TMath::Abs(dz) > 1.75) continue; // is inside the pad
//riempio il numro di cludter e impulso trasverso per traccia del TTree T
ncluster=track->GetNTOFclusters();
impulso_trasv=track->Pt();
impulso=track->P();
StartTime = pidr->GetTOFResponse().GetStartTime(track->P());
StartTimeRes = pidr->GetTOFResponse().GetStartTimeRes(track->P());
if(track->Pt() > 0.9 && track->Pt() < 1.5){ //impulso non troppo alto per separazione tra particelle
Float_t dt = track->GetTOFsignal() - time[2] - pidr->GetTOFResponse().GetStartTime(track->P());//tempo TOF(è lo stesso di Gettime, solo che lo prendo dale tracce)(già calibrato) -ip del PI (posizione 0 e, posizione 1 mu, pos 2 PI, pos 3 K,pos 4 p) -start time
Float_t dtKa = track->GetTOFsignal() - time[3] - pidr->GetTOFResponse().GetStartTime(track->P());
Float_t dtPr = track->GetTOFsignal() - time[4] - pidr->GetTOFResponse().GetStartTime(track->P());
hdt->Fill(dt);
hdtKa->Fill(dtKa);
hdtPr->Fill(dtPr);
}
charge = track->Charge();
phi = track->Phi();
eta = track->Eta();
GetPositionAtTOF(track,mag,coord);
phiExt = TMath::ATan2(coord[1],coord[0]);
etaExt = -TMath::Log(TMath::Tan(0.5*TMath::ATan2(sqrt(coord[0]*coord[0]+coord[1]*coord[1]),coord[2])));
for (int i=0;i<(track->GetNTOFclusters());i++){
int idummy=track->GetTOFclusterArray()[i];
AliESDTOFCluster *cl = (AliESDTOFCluster *) tofcl->At(idummy);
tempo[i]=cl->GetTime();
tot[i]=cl->GetTOT();
ChannelTOF[i]=cl->GetTOFchannel();
if(i==0){
GetResolutionAtTOF(track,mag,ChannelTOF[i],res);
}
for(int im=cl->GetNMatchableTracks();im--;){ //o così o da n-1 a 0 //for(int im=cl->GetNMatchableTracks();im>0;im--) non andava bene perchè non prendeva mai lo 0
// if(track->GetNTOFclusters()==2) printf("-- %i) %f %f\n",im,cl->GetLength(im),cl->GetIntegratedTime(2,im));
if(cl->GetTrackIndex(im) == track->GetID()){
exp_time_el[i] = cl->GetIntegratedTime(0,im); // pi = 2
exp_time_mu[i] = cl->GetIntegratedTime(1,im); // pi = 2
exp_time_pi[i] = cl->GetIntegratedTime(2,im); // pi = 2
exp_time_ka[i] = cl->GetIntegratedTime(3,im); // pi = 2
exp_time_pr[i] = cl->GetIntegratedTime(4,im); // pi = 2
L[i] = cl->GetLength(im);
// if(track->GetNTOFclusters()==2)printf("%i) %f %f\n",i,L[i],exp_time_pi[i]);
DeltaX[i]=cl->GetDx(im); // mettendolo dentro questo if dovrei prendere i residui di una stessa traccia
DeltaZ[i]=cl->GetDz(im);
}
}
}
//ReMatch();
Int_t jref=0;
if(isMC){
if(TOFlabel[0] > -1 && TOFlabel[0] < 1000000){
trkref->GetEvent(trkassociation[TOFlabel[0]]);
if(TOFlabel[0] == trkref->GetLeaf("TrackReferences.fTrack")->GetValue()){
// printf("trk -> %i (%i)\n",trkref->GetLeaf("TrackReferences.fTrack")->GetValue(),trkref->GetLeaf("TrackReferences.fTrack")->GetValue(jref));
while(jref > -1 && trkref->GetLeaf("TrackReferences.fTrack")->GetValue(jref) != 0){
//printf("det = %i\n",trkref->GetLeaf("TrackReferences.fDetectorId")->GetValue(jref));
if(trkref->GetLeaf("TrackReferences.fDetectorId")->GetValue(jref) == 4){
gtime=trkref->GetLeaf("TrackReferences.fTime")->GetValue(jref)*1E+12;
xgl = trkref->GetLeaf("TrackReferences.fX")->GetValue(jref);
ygl = trkref->GetLeaf("TrackReferences.fY")->GetValue(jref);
zgl = trkref->GetLeaf("TrackReferences.fZ")->GetValue(jref);
MakeTrueRes();
jref = 100;
}
jref++;
}
}
}
}
if(TMath::Abs(label) != TOFlabel[0] && stack){
mism=2;
while(TOFlabel[0] != -1 && TOFlabel[0] != label){
TOFlabel[0] = stack->Particle(TOFlabel[0])->GetMother(0);
}
if(label == TOFlabel[0])
mism=1;
}
//AddDelay();
T->Fill(); //cout<<"riempio il tree "<<endl; //Riempio tree "T"
//incremento il contatore delle tracce del TTree T matchate e che superano i tagli
//ntracks++;
}//end of for(tracks)
esd->ResetStdContent();
} //end of for(events)
if(runLoader){
runLoader->UnloadHeader();
runLoader->UnloadKinematics();
delete runLoader;
}
esdFile->Close();
if(isMC) ftrkref->Close();
if(isMC) fgalice->Close();
}
Bool_t CheckESD(const char* gAliceFileName = "galice.root",
const char* esdFileName = "AliESDs.root")
{
// check the content of the ESD
// check values
Int_t checkNGenLow = 1;
Double_t checkEffLow = 0.5;
Double_t checkEffSigma = 3;
Double_t checkFakeHigh = 0.5;
Double_t checkFakeSigma = 3;
Double_t checkResPtInvHigh = 5;
Double_t checkResPtInvSigma = 3;
Double_t checkResPhiHigh = 10;
Double_t checkResPhiSigma = 3;
Double_t checkResThetaHigh = 10;
Double_t checkResThetaSigma = 3;
Double_t checkPIDEffLow = 0.5;
Double_t checkPIDEffSigma = 3;
Double_t checkResTOFHigh = 500;
Double_t checkResTOFSigma = 3;
Double_t checkPHOSNLow = 5;
Double_t checkPHOSEnergyLow = 0.3;
Double_t checkPHOSEnergyHigh = 1.0;
Double_t checkEMCALNLow = 50;
Double_t checkEMCALEnergyLow = 0.05;
Double_t checkEMCALEnergyHigh = 1.0;
Double_t checkMUONNLow = 1;
Double_t checkMUONPtLow = 0.5;
Double_t checkMUONPtHigh = 10.;
Double_t cutPtV0 = 0.3;
Double_t checkV0EffLow = 0.02;
Double_t checkV0EffSigma = 3;
Double_t cutPtCascade = 0.5;
Double_t checkCascadeEffLow = 0.01;
Double_t checkCascadeEffSigma = 3;
// open run loader and load gAlice, kinematics and header
AliRunLoader* runLoader = AliRunLoader::Open(gAliceFileName);
if (!runLoader) {
Error("CheckESD", "getting run loader from file %s failed",
gAliceFileName);
return kFALSE;
}
runLoader->LoadgAlice();
gAlice = runLoader->GetAliRun();
if (!gAlice) {
Error("CheckESD", "no galice object found");
return kFALSE;
}
runLoader->LoadKinematics();
runLoader->LoadHeader();
// open the ESD file
TFile* esdFile = TFile::Open(esdFileName);
if (!esdFile || !esdFile->IsOpen()) {
Error("CheckESD", "opening ESD file %s failed", esdFileName);
return kFALSE;
}
AliESDEvent * esd = new AliESDEvent;
TTree* tree = (TTree*) esdFile->Get("esdTree");
if (!tree) {
Error("CheckESD", "no ESD tree found");
return kFALSE;
}
esd->ReadFromTree(tree);
// efficiency and resolution histograms
Int_t nBinsPt = 15;
Float_t minPt = 0.1;
Float_t maxPt = 3.1;
TH1F* hGen = CreateHisto("hGen", "generated tracks",
nBinsPt, minPt, maxPt, "p_{t} [GeV/c]", "N");
TH1F* hRec = CreateHisto("hRec", "reconstructed tracks",
nBinsPt, minPt, maxPt, "p_{t} [GeV/c]", "N");
Int_t nGen = 0;
Int_t nRec = 0;
Int_t nFake = 0;
TH1F* hResPtInv = CreateHisto("hResPtInv", "", 100, -10, 10,
"(p_{t,rec}^{-1}-p_{t,sim}^{-1}) / p_{t,sim}^{-1} [%]", "N");
TH1F* hResPhi = CreateHisto("hResPhi", "", 100, -20, 20,
"#phi_{rec}-#phi_{sim} [mrad]", "N");
TH1F* hResTheta = CreateHisto("hResTheta", "", 100, -20, 20,
"#theta_{rec}-#theta_{sim} [mrad]", "N");
// PID
Int_t partCode[AliPID::kSPECIES] =
{kElectron, kMuonMinus, kPiPlus, kKPlus, kProton};
const char* partName[AliPID::kSPECIES+1] =
{"electron", "muon", "pion", "kaon", "proton", "other"};
Double_t partFrac[AliPID::kSPECIES] =
{0.01, 0.01, 0.85, 0.10, 0.05};
Int_t identified[AliPID::kSPECIES+1][AliPID::kSPECIES];
for (Int_t iGen = 0; iGen < AliPID::kSPECIES+1; iGen++) {
for (Int_t iRec = 0; iRec < AliPID::kSPECIES; iRec++) {
identified[iGen][iRec] = 0;
}
}
Int_t nIdentified = 0;
// dE/dx and TOF
TH2F* hDEdxRight = new TH2F("hDEdxRight", "", 300, 0, 3, 100, 0, 400);
hDEdxRight->SetStats(kFALSE);
hDEdxRight->GetXaxis()->SetTitle("p [GeV/c]");
hDEdxRight->GetYaxis()->SetTitle("dE/dx_{TPC}");
hDEdxRight->SetMarkerStyle(kFullCircle);
hDEdxRight->SetMarkerSize(0.4);
TH2F* hDEdxWrong = new TH2F("hDEdxWrong", "", 300, 0, 3, 100, 0, 400);
hDEdxWrong->SetStats(kFALSE);
hDEdxWrong->GetXaxis()->SetTitle("p [GeV/c]");
hDEdxWrong->GetYaxis()->SetTitle("dE/dx_{TPC}");
hDEdxWrong->SetMarkerStyle(kFullCircle);
hDEdxWrong->SetMarkerSize(0.4);
hDEdxWrong->SetMarkerColor(kRed);
TH1F* hResTOFRight = CreateHisto("hResTOFRight", "", 100, -1000, 1000,
"t_{TOF}-t_{track} [ps]", "N");
TH1F* hResTOFWrong = CreateHisto("hResTOFWrong", "", 100, -1000, 1000,
"t_{TOF}-t_{track} [ps]", "N");
hResTOFWrong->SetLineColor(kRed);
// calorimeters
TH1F* hEPHOS = CreateHisto("hEPHOS", "PHOS", 100, 0, 50, "E [GeV]", "N");
TH1F* hEEMCAL = CreateHisto("hEEMCAL", "EMCAL", 100, 0, 50, "E [GeV]", "N");
// muons
TH1F* hPtMUON = CreateHisto("hPtMUON", "MUON", 100, 0, 20,
"p_{t} [GeV/c]", "N");
// V0s and cascades
TH1F* hMassK0 = CreateHisto("hMassK0", "K^{0}", 100, 0.4, 0.6,
"M(#pi^{+}#pi^{-}) [GeV/c^{2}]", "N");
TH1F* hMassLambda = CreateHisto("hMassLambda", "#Lambda", 100, 1.0, 1.2,
"M(p#pi^{-}) [GeV/c^{2}]", "N");
TH1F* hMassLambdaBar = CreateHisto("hMassLambdaBar", "#bar{#Lambda}",
100, 1.0, 1.2,
"M(#bar{p}#pi^{+}) [GeV/c^{2}]", "N");
Int_t nGenV0s = 0;
Int_t nRecV0s = 0;
TH1F* hMassXi = CreateHisto("hMassXi", "#Xi", 100, 1.2, 1.5,
"M(#Lambda#pi) [GeV/c^{2}]", "N");
TH1F* hMassOmega = CreateHisto("hMassOmega", "#Omega", 100, 1.5, 1.8,
"M(#LambdaK) [GeV/c^{2}]", "N");
Int_t nGenCascades = 0;
Int_t nRecCascades = 0;
// loop over events
for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) {
runLoader->GetEvent(iEvent);
// select simulated primary particles, V0s and cascades
AliStack* stack = runLoader->Stack();
Int_t nParticles = stack->GetNtrack();
TArrayF vertex(3);
runLoader->GetHeader()->GenEventHeader()->PrimaryVertex(vertex);
TObjArray selParticles;
TObjArray selV0s;
TObjArray selCascades;
for (Int_t iParticle = 0; iParticle < nParticles; iParticle++) {
TParticle* particle = stack->Particle(iParticle);
if (!particle) continue;
if (particle->Pt() < 0.001) continue;
if (TMath::Abs(particle->Eta()) > 0.9) continue;
TVector3 dVertex(particle->Vx() - vertex[0],
particle->Vy() - vertex[1],
particle->Vz() - vertex[2]);
if (dVertex.Mag() > 0.0001) continue;
switch (TMath::Abs(particle->GetPdgCode())) {
case kElectron:
case kMuonMinus:
case kPiPlus:
case kKPlus:
case kProton: {
if (particle->Pt() > minPt) {
selParticles.Add(particle);
nGen++;
hGen->Fill(particle->Pt());
}
break;
}
case kK0Short:
case kLambda0: {
if (particle->Pt() > cutPtV0) {
nGenV0s++;
selV0s.Add(particle);
}
break;
}
case kXiMinus:
case kOmegaMinus: {
if (particle->Pt() > cutPtCascade) {
nGenCascades++;
selCascades.Add(particle);
}
break;
}
default: break;
}
}
// get the event summary data
tree->GetEvent(iEvent);
if (!esd) {
Error("CheckESD", "no ESD object found for event %d", iEvent);
return kFALSE;
}
// loop over tracks
for (Int_t iTrack = 0; iTrack < esd->GetNumberOfTracks(); iTrack++) {
AliESDtrack* track = esd->GetTrack(iTrack);
// select tracks of selected particles
Int_t label = TMath::Abs(track->GetLabel());
if (label > stack->GetNtrack()) continue; // background
TParticle* particle = stack->Particle(label);
if (!selParticles.Contains(particle)) continue;
if ((track->GetStatus() & AliESDtrack::kITSrefit) == 0) continue;
if (track->GetConstrainedChi2() > 1e9) continue;
selParticles.Remove(particle); // don't count multiple tracks
nRec++;
hRec->Fill(particle->Pt());
if (track->GetLabel() < 0) nFake++;
// resolutions
hResPtInv->Fill(100. * (TMath::Abs(track->GetSigned1Pt()) - 1./particle->Pt()) *
particle->Pt());
hResPhi->Fill(1000. * (track->Phi() - particle->Phi()));
hResTheta->Fill(1000. * (track->Theta() - particle->Theta()));
// PID
if ((track->GetStatus() & AliESDtrack::kESDpid) == 0) continue;
Int_t iGen = 5;
for (Int_t i = 0; i < AliPID::kSPECIES; i++) {
if (TMath::Abs(particle->GetPdgCode()) == partCode[i]) iGen = i;
}
Double_t probability[AliPID::kSPECIES];
track->GetESDpid(probability);
Double_t pMax = 0;
Int_t iRec = 0;
for (Int_t i = 0; i < AliPID::kSPECIES; i++) {
probability[i] *= partFrac[i];
if (probability[i] > pMax) {
pMax = probability[i];
iRec = i;
}
}
identified[iGen][iRec]++;
if (iGen == iRec) nIdentified++;
// dE/dx and TOF
Double_t time[AliPID::kSPECIES];
track->GetIntegratedTimes(time);
if (iGen == iRec) {
hDEdxRight->Fill(particle->P(), track->GetTPCsignal());
if ((track->GetStatus() & AliESDtrack::kTOFpid) != 0) {
hResTOFRight->Fill(track->GetTOFsignal() - time[iRec]);
}
} else {
hDEdxWrong->Fill(particle->P(), track->GetTPCsignal());
if ((track->GetStatus() & AliESDtrack::kTOFpid) != 0) {
hResTOFWrong->Fill(track->GetTOFsignal() - time[iRec]);
}
}
}
// loop over muon tracks
{
for (Int_t iTrack = 0; iTrack < esd->GetNumberOfMuonTracks(); iTrack++) {
AliESDMuonTrack* muonTrack = esd->GetMuonTrack(iTrack);
Double_t ptInv = TMath::Abs(muonTrack->GetInverseBendingMomentum());
if (ptInv > 0.001) {
hPtMUON->Fill(1./ptInv);
}
}
}
// loop over V0s
for (Int_t iV0 = 0; iV0 < esd->GetNumberOfV0s(); iV0++) {
AliESDv0* v0 = esd->GetV0(iV0);
if (v0->GetOnFlyStatus()) continue;
v0->ChangeMassHypothesis(kK0Short);
hMassK0->Fill(v0->GetEffMass());
v0->ChangeMassHypothesis(kLambda0);
hMassLambda->Fill(v0->GetEffMass());
v0->ChangeMassHypothesis(kLambda0Bar);
hMassLambdaBar->Fill(v0->GetEffMass());
Int_t negLabel = TMath::Abs(esd->GetTrack(v0->GetNindex())->GetLabel());
if (negLabel > stack->GetNtrack()) continue; // background
Int_t negMother = stack->Particle(negLabel)->GetMother(0);
if (negMother < 0) continue;
Int_t posLabel = TMath::Abs(esd->GetTrack(v0->GetPindex())->GetLabel());
if (posLabel > stack->GetNtrack()) continue; // background
Int_t posMother = stack->Particle(posLabel)->GetMother(0);
if (negMother != posMother) continue;
TParticle* particle = stack->Particle(negMother);
if (!selV0s.Contains(particle)) continue;
selV0s.Remove(particle);
nRecV0s++;
}
// loop over Cascades
for (Int_t iCascade = 0; iCascade < esd->GetNumberOfCascades();
iCascade++) {
AliESDcascade* cascade = esd->GetCascade(iCascade);
Double_t v0q;
cascade->ChangeMassHypothesis(v0q,kXiMinus);
hMassXi->Fill(cascade->GetEffMassXi());
cascade->ChangeMassHypothesis(v0q,kOmegaMinus);
hMassOmega->Fill(cascade->GetEffMassXi());
Int_t negLabel = TMath::Abs(esd->GetTrack(cascade->GetNindex())
->GetLabel());
if (negLabel > stack->GetNtrack()) continue; // background
Int_t negMother = stack->Particle(negLabel)->GetMother(0);
if (negMother < 0) continue;
Int_t posLabel = TMath::Abs(esd->GetTrack(cascade->GetPindex())
->GetLabel());
if (posLabel > stack->GetNtrack()) continue; // background
Int_t posMother = stack->Particle(posLabel)->GetMother(0);
if (negMother != posMother) continue;
Int_t v0Mother = stack->Particle(negMother)->GetMother(0);
if (v0Mother < 0) continue;
Int_t bacLabel = TMath::Abs(esd->GetTrack(cascade->GetBindex())
->GetLabel());
if (bacLabel > stack->GetNtrack()) continue; // background
Int_t bacMother = stack->Particle(bacLabel)->GetMother(0);
if (v0Mother != bacMother) continue;
TParticle* particle = stack->Particle(v0Mother);
if (!selCascades.Contains(particle)) continue;
selCascades.Remove(particle);
nRecCascades++;
}
// loop over the clusters
{
for (Int_t iCluster=0; iCluster<esd->GetNumberOfCaloClusters(); iCluster++) {
AliESDCaloCluster * clust = esd->GetCaloCluster(iCluster);
if (clust->IsPHOS()) hEPHOS->Fill(clust->E());
if (clust->IsEMCAL()) hEEMCAL->Fill(clust->E());
}
}
}
// perform checks
if (nGen < checkNGenLow) {
Warning("CheckESD", "low number of generated particles: %d", Int_t(nGen));
}
TH1F* hEff = CreateEffHisto(hGen, hRec);
Info("CheckESD", "%d out of %d tracks reconstructed including %d "
"fake tracks", nRec, nGen, nFake);
if (nGen > 0) {
// efficiency
Double_t eff = nRec*1./nGen;
Double_t effError = TMath::Sqrt(eff*(1.-eff) / nGen);
Double_t fake = nFake*1./nGen;
Double_t fakeError = TMath::Sqrt(fake*(1.-fake) / nGen);
Info("CheckESD", "eff = (%.1f +- %.1f) %% fake = (%.1f +- %.1f) %%",
100.*eff, 100.*effError, 100.*fake, 100.*fakeError);
if (eff < checkEffLow - checkEffSigma*effError) {
Warning("CheckESD", "low efficiency: (%.1f +- %.1f) %%",
100.*eff, 100.*effError);
}
if (fake > checkFakeHigh + checkFakeSigma*fakeError) {
Warning("CheckESD", "high fake: (%.1f +- %.1f) %%",
100.*fake, 100.*fakeError);
}
// resolutions
Double_t res, resError;
if (FitHisto(hResPtInv, res, resError)) {
Info("CheckESD", "relative inverse pt resolution = (%.1f +- %.1f) %%",
res, resError);
if (res > checkResPtInvHigh + checkResPtInvSigma*resError) {
Warning("CheckESD", "bad pt resolution: (%.1f +- %.1f) %%",
res, resError);
}
}
if (FitHisto(hResPhi, res, resError)) {
Info("CheckESD", "phi resolution = (%.1f +- %.1f) mrad", res, resError);
if (res > checkResPhiHigh + checkResPhiSigma*resError) {
Warning("CheckESD", "bad phi resolution: (%.1f +- %.1f) mrad",
res, resError);
}
}
if (FitHisto(hResTheta, res, resError)) {
Info("CheckESD", "theta resolution = (%.1f +- %.1f) mrad",
res, resError);
if (res > checkResThetaHigh + checkResThetaSigma*resError) {
Warning("CheckESD", "bad theta resolution: (%.1f +- %.1f) mrad",
res, resError);
}
}
// PID
if (nRec > 0) {
Double_t eff = nIdentified*1./nRec;
Double_t effError = TMath::Sqrt(eff*(1.-eff) / nRec);
Info("CheckESD", "PID eff = (%.1f +- %.1f) %%",
100.*eff, 100.*effError);
if (eff < checkPIDEffLow - checkPIDEffSigma*effError) {
Warning("CheckESD", "low PID efficiency: (%.1f +- %.1f) %%",
100.*eff, 100.*effError);
}
}
printf("%9s:", "gen\\rec");
for (Int_t iRec = 0; iRec < AliPID::kSPECIES; iRec++) {
printf("%9s", partName[iRec]);
}
printf("\n");
for (Int_t iGen = 0; iGen < AliPID::kSPECIES+1; iGen++) {
printf("%9s:", partName[iGen]);
for (Int_t iRec = 0; iRec < AliPID::kSPECIES; iRec++) {
printf("%9d", identified[iGen][iRec]);
}
printf("\n");
}
if (FitHisto(hResTOFRight, res, resError)) {
Info("CheckESD", "TOF resolution = (%.1f +- %.1f) ps", res, resError);
if (res > checkResTOFHigh + checkResTOFSigma*resError) {
Warning("CheckESD", "bad TOF resolution: (%.1f +- %.1f) ps",
res, resError);
}
}
// calorimeters
if (hEPHOS->Integral() < checkPHOSNLow) {
Warning("CheckESD", "low number of PHOS particles: %d",
Int_t(hEPHOS->Integral()));
} else {
Double_t mean = hEPHOS->GetMean();
if (mean < checkPHOSEnergyLow) {
Warning("CheckESD", "low mean PHOS energy: %.1f GeV", mean);
} else if (mean > checkPHOSEnergyHigh) {
Warning("CheckESD", "high mean PHOS energy: %.1f GeV", mean);
}
}
if (hEEMCAL->Integral() < checkEMCALNLow) {
Warning("CheckESD", "low number of EMCAL particles: %d",
Int_t(hEEMCAL->Integral()));
} else {
Double_t mean = hEEMCAL->GetMean();
if (mean < checkEMCALEnergyLow) {
Warning("CheckESD", "low mean EMCAL energy: %.1f GeV", mean);
} else if (mean > checkEMCALEnergyHigh) {
Warning("CheckESD", "high mean EMCAL energy: %.1f GeV", mean);
}
}
// muons
if (hPtMUON->Integral() < checkMUONNLow) {
Warning("CheckESD", "low number of MUON particles: %d",
Int_t(hPtMUON->Integral()));
} else {
Double_t mean = hPtMUON->GetMean();
if (mean < checkMUONPtLow) {
Warning("CheckESD", "low mean MUON pt: %.1f GeV/c", mean);
} else if (mean > checkMUONPtHigh) {
Warning("CheckESD", "high mean MUON pt: %.1f GeV/c", mean);
}
}
// V0s
if (nGenV0s > 0) {
Double_t eff = nRecV0s*1./nGenV0s;
Double_t effError = TMath::Sqrt(eff*(1.-eff) / nGenV0s);
if (effError == 0) effError = checkV0EffLow / TMath::Sqrt(1.*nGenV0s);
Info("CheckESD", "V0 eff = (%.1f +- %.1f) %%",
100.*eff, 100.*effError);
if (eff < checkV0EffLow - checkV0EffSigma*effError) {
Warning("CheckESD", "low V0 efficiency: (%.1f +- %.1f) %%",
100.*eff, 100.*effError);
}
}
// Cascades
if (nGenCascades > 0) {
Double_t eff = nRecCascades*1./nGenCascades;
Double_t effError = TMath::Sqrt(eff*(1.-eff) / nGenCascades);
if (effError == 0) effError = checkV0EffLow /
TMath::Sqrt(1.*nGenCascades);
Info("CheckESD", "Cascade eff = (%.1f +- %.1f) %%",
100.*eff, 100.*effError);
if (eff < checkCascadeEffLow - checkCascadeEffSigma*effError) {
Warning("CheckESD", "low Cascade efficiency: (%.1f +- %.1f) %%",
100.*eff, 100.*effError);
}
}
}
// draw the histograms if not in batch mode
if (!gROOT->IsBatch()) {
new TCanvas;
hEff->DrawCopy();
new TCanvas;
hResPtInv->DrawCopy("E");
new TCanvas;
hResPhi->DrawCopy("E");
new TCanvas;
hResTheta->DrawCopy("E");
new TCanvas;
hDEdxRight->DrawCopy();
hDEdxWrong->DrawCopy("SAME");
new TCanvas;
hResTOFRight->DrawCopy("E");
hResTOFWrong->DrawCopy("SAME");
new TCanvas;
hEPHOS->DrawCopy("E");
new TCanvas;
hEEMCAL->DrawCopy("E");
new TCanvas;
hPtMUON->DrawCopy("E");
new TCanvas;
hMassK0->DrawCopy("E");
new TCanvas;
hMassLambda->DrawCopy("E");
new TCanvas;
hMassLambdaBar->DrawCopy("E");
new TCanvas;
hMassXi->DrawCopy("E");
new TCanvas;
hMassOmega->DrawCopy("E");
}
// write the output histograms to a file
TFile* outputFile = TFile::Open("check.root", "recreate");
if (!outputFile || !outputFile->IsOpen()) {
Error("CheckESD", "opening output file check.root failed");
return kFALSE;
}
hEff->Write();
hResPtInv->Write();
hResPhi->Write();
hResTheta->Write();
hDEdxRight->Write();
hDEdxWrong->Write();
hResTOFRight->Write();
hResTOFWrong->Write();
hEPHOS->Write();
hEEMCAL->Write();
hPtMUON->Write();
hMassK0->Write();
hMassLambda->Write();
hMassLambdaBar->Write();
hMassXi->Write();
hMassOmega->Write();
outputFile->Close();
delete outputFile;
// clean up
delete hGen;
delete hRec;
delete hEff;
delete hResPtInv;
delete hResPhi;
delete hResTheta;
delete hDEdxRight;
delete hDEdxWrong;
delete hResTOFRight;
delete hResTOFWrong;
delete hEPHOS;
delete hEEMCAL;
delete hPtMUON;
delete hMassK0;
delete hMassLambda;
delete hMassLambdaBar;
delete hMassXi;
delete hMassOmega;
delete esd;
esdFile->Close();
delete esdFile;
runLoader->UnloadHeader();
runLoader->UnloadKinematics();
delete runLoader;
// result of check
Info("CheckESD", "check of ESD was successfull");
return kTRUE;
}
//__________________________________________________________________________
Bool_t AnaESD(TString fileName)
{
// Analyze ESD from file fileName
// calo track histograms ;
TFile * out = new TFile("AOD.root", "RECREATE") ;
TH1D * hCaloEnergyA = 0 ;
TH1D * hCaloEnergyE = 0 ;
TH1D * hCaloEnergyG = 0 ;
TH1D * hCaloEnergyP = 0 ;
TH1D * heta = 0 ;
TH1D * hphi = 0 ;
Double_t dist[3] ;
AliPHOSGetter * gime = AliPHOSGetter::Instance(fileName) ;
Int_t nEvent = gime->MaxEvent() ;
Int_t event ;
AliESD * esd = 0 ;
for (event = 0 ; event < nEvent; event++) {
cout << "AnaESD : Processing event # " << event << endl ;
esd = gime->ESD(event) ;
if (!esd)
return kFALSE ;
//esd->Print();
// Calorimeter tracks
AliESDtrack * ct ;
Int_t caloindex ;
for (caloindex = 0 ; caloindex < esd->GetNumberOfTracks() ; caloindex++) {
// get the tracks and check if it is from PHOS
ct = esd->GetTrack(caloindex) ;
if ( !ct->IsPHOS() )
continue ;
Double_t energy = ct->GetPHOSsignal() ;
// check if CPV bit is set (see AliPHOSFastRecParticle)
Double_t type[AliESDtrack::kSPECIES+4] ;
ct->GetPHOSpid(type) ;
if ( (type[AliESDtrack::kElectron] == 1.0) || (type[AliESDtrack::kPhoton] == 1.0) ) {
if(!hCaloEnergyA) {
out->cd() ;
hCaloEnergyA = new TH1D("CaloEnergyA", "Energy in calorimeter Electron/Photon like", 500, 0., 50.) ;
}
hCaloEnergyA->Fill(energy) ;
}
if ( type[AliESDtrack::kElectron] == 1.0 ) {
if(!hCaloEnergyE) {
out->cd() ;
hCaloEnergyE = new TH1D("CaloEnergyE", "Energy in calorimeter Electron like", 500, 0., 50.) ;
}
hCaloEnergyE->Fill(energy) ;
}
if ( type[AliESDtrack::kPhoton] == 1.0 ) {
if(!hCaloEnergyG) {
out->cd() ;
hCaloEnergyG = new TH1D("CaloEnergyG", "Energy in calorimeter Gamma like", 500, 0., 50.) ;
}
hCaloEnergyG->Fill(energy) ;
}
if ( type[AliESDtrack::kPi0] == 1.0 ) {
if(!hCaloEnergyP) {
out->cd() ;
hCaloEnergyP = new TH1D("CaloEnergyP", "Energy in calorimeter Pi0 like", 500, 0., 100.) ;
}
hCaloEnergyP->Fill(energy) ;
}
AliESDtrack * cp ;
Int_t cpindex ;
for (cpindex = 0 ; cpindex < esd->GetNumberOfTracks() ; cpindex++) {
// get the charged tracks from central tracking
cp = esd->GetTrack(cpindex) ;
if ( cp->IsPHOS() )
continue ;
Match(ct, cp, dist) ;
if (!heta && !hphi) {
heta = new TH1D("Correta", "neutral-charged correlation in eta" , 100, 0., 360.) ;
hphi = new TH1D("Corrphi", "neutral-charged correlation in phi" , 100, 0., 360.) ;
}
heta->Fill(dist[1]) ;
hphi->Fill(dist[2]) ;
}
}
}
TBrowser * bs = new TBrowser("Root Memory Bowser", gROOT->FindObjectAny("AOD.root") ) ;
bs->Show() ;
out->Write() ;
return kTRUE ;
}
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;
}
AliEveHFList* aod_HF()
{
Bool_t useParFiles=kFALSE;
// TEveUtil::LoadMacro("$ALICE_ROOT/PWGHF/vertexingHF/macros/LoadLibraries.C+");
// LoadLibraries(useParFiles);
AliAODEvent* aod = AliEveEventManager::AssertAOD();
AliESDEvent* esd = AliEveEventManager::Instance()->AssertESD();
/*
gSystem->Load("libANALYSIS");
gSystem->Load("libANALYSISalice");
gSystem->Load("libCORRFW");
gSystem->Load("libPWG3base");
gSystem->Load("libPWG3vertexingHF");
*/
// load MC particles
TClonesArray *mcArray =
(TClonesArray*) aod->FindListObject(AliAODMCParticle::StdBranchName());
if (!mcArray) {
printf("MC particles branch not found!\n");
return 0;
}
AliAODVertex* primVtx_aod = (AliAODVertex*) aod->GetPrimaryVertex();
// AliESDVertex *primVtx_esd = (AliESDVertex*) esd->GetPrimaryVertex();
AliEveHFList* cont = new AliEveHFList("AOD HF vertices");
cont->SetMainColor(2);
TEveTrackPropagator* rnrStyle = cont->GetPropagator();
rnrStyle->SetMagField( 0.1*aod->GetMagneticField() );
gEve->AddElement(cont);
TEvePointSet* pointsD0toKpi = new TEvePointSet("D0->Kpi vertex locations");
// load D0->Kpi candidates
TClonesArray *arrayD0toKpi = (TClonesArray*) aod->FindListObject("D0toKpi");
// load 3prong candidates
// TClonesArray *array3Prong =
// (TClonesArray*)aod->GetList()->FindObject("Charm3Prong");
Int_t countD0 = 0;
for (Int_t iD0toKpi=0; iD0toKpi<arrayD0toKpi->GetEntriesFast(); iD0toKpi++)
{
AliAODRecoDecayHF2Prong *rd = (AliAODRecoDecayHF2Prong*)arrayD0toKpi->UncheckedAt(iD0toKpi);
Bool_t unsetvtx=kFALSE;
if (!rd->GetOwnPrimaryVtx()) {
rd->SetOwnPrimaryVtx(primVtx_aod);
unsetvtx=kTRUE;
}
// REAL D0 particle. If you want to draw only real D0 un-comment these lines
//Int_t labD0 = rd->MatchToMC(421,mcArray);
//if(labD0<0) continue;
AliAODTrack *negAODTr = dynamic_cast<AliAODTrack *>(rd->GetDaughter(0));
AliAODTrack *posAODTr = dynamic_cast<AliAODTrack *>(rd->GetDaughter(1));
AliVVertex *secv = rd->GetSecondaryVtx();
AliESDtrack *negTr = new AliESDtrack(negAODTr);
AliESDtrack *posTr = new AliESDtrack(posAODTr);
negTr->PropagateToDCA((AliAODVertex*)secv,aod->GetMagneticField(),100.);
posTr->PropagateToDCA((AliAODVertex*)secv,aod->GetMagneticField(),100.);
AliEveHF* myD0 = aod_make_HF(rnrStyle,primVtx_aod,negTr,posTr,rd,iD0toKpi);
if (myD0) {
gEve->AddElement(myD0,cont);
countD0++;
}
pointsD0toKpi->SetNextPoint(rd->Xv(),rd->Yv(),rd->Zv());
pointsD0toKpi->SetPointId(rd);
if(unsetvtx) {
rd->UnsetOwnPrimaryVtx();
}
}
//cont->SetTitle("test");
cont->MakeHFs();
gEve->Redraw3D();
pointsD0toKpi->SetTitle(Form("N=%d", pointsD0toKpi->Size()));
pointsD0toKpi->SetMarkerStyle(4);
pointsD0toKpi->SetMarkerSize(1.5);
pointsD0toKpi->SetMarkerColor(kViolet);
gEve->AddElement(pointsD0toKpi);
gEve->Redraw3D();
return cont;
}
void MatchComparison()
{
//
// Initialize AliRun manager
//
//
// Initialize run loader and load Kinematics
//
AliRunLoader *runLoader = AliRunLoader::Open("galice.root");
if (!runLoader) return;
runLoader->LoadgAlice();
gAlice = runLoader->GetAliRun();
runLoader->LoadKinematics();
//
// Initialize histograms with their error computation
//
TH1D *hgood = new TH1D("hgood", "Well matched tracks", 40, 0.0, 40.0);
TH1D *hfake = new TH1D("hfake", "Fake matched tracks", 40, 0.0, 40.0);
TH1D *htrue = new TH1D("htrue", "True matches" , 40, 0.0, 40.0);
TH1D *hfound = new TH1D("hfound","Found matches" , 40, 0.0, 40.0);
hgood->Sumw2();
hfake->Sumw2();
htrue->Sumw2();
hfound->Sumw2();
//
// Open file containing true matches,
// retrieve the Tree and link to a cursor.
//
TFile *fileTrue = TFile::Open("true-matches.root");
match_t trueMatch;
//
// Open file of found matches,
// link the modified ESD container.
//
TFile *fileFound = TFile::Open("matchESD.root");
TTree *treeFound = (TTree*)fileFound->Get("esdTree");
AliESDEvent* esd = new AliESDEvent();
esd->ReadFromTree(treeFound);
Long64_t nEvents = treeFound->GetEntries();
//
// Loop on all events
//
Int_t im, it, ic, nTrueMatches, nTracks;
Int_t label, trkLabel, cluLabel;
for (Long64_t iev = 0; iev < nEvents; iev++) {
// get true matches tree of given event
TTree *treeTrue = (TTree*)fileTrue->Get(Form("tm_%d", iev));
treeTrue->SetBranchAddress("matches", &trueMatch);
nTrueMatches = treeTrue->GetEntries();
// set TTree pointers to selected event
runLoader->GetEvent(iev);
treeFound->GetEntry(iev);
AliStack *stack = runLoader->Stack();
nTracks = esd->GetNumberOfTracks();
// read all true pairs
for (im = 0; im < nTrueMatches; im++) {
treeTrue->GetEntry(im);
AliESDtrack *track = esd->GetTrack(trueMatch.indexT);
if (!track) continue;
label = TMath::Abs(track->GetLabel());
TParticle *p = stack->Particle(label);
htrue->Fill(p->Pt());
cout <<"filling true"<< endl;
}
// compare found matches
for (Int_t it = 0; it < nTracks; it++) {
AliESDtrack *track = esd->GetTrack(it);
ic = track->GetEMCALcluster();
if (ic == AliEMCALTracker::kUnmatched) continue;
ic = TMath::Abs(ic);
AliESDCaloCluster *cl = esd->GetCaloCluster(ic);
if (!cl) continue;
if (!cl->IsEMCAL()) continue ;
trkLabel = TMath::Abs(track->GetLabel());
cluLabel = cl->GetLabel();
if (trkLabel == cluLabel && trkLabel >= 0) {
TParticle *p = stack->Particle(TMath::Abs(trkLabel));
hgood->Fill(p->Pt());
hfound->Fill(p->Pt());
cout <<"filling GOOD, pt:" << p->Pt()<< endl;
}
else {
TParticle *p = stack->Particle(TMath::Abs(trkLabel));
hfake->Fill(p->Pt());
hfound->Fill(p->Pt());
cout <<"filling FAKE" << endl;
}
}
}
cout << "True matches : " << htrue->GetEntries() << endl;
cout << "Found matches: " << hfound->GetEntries() << endl;
cout << "Good matches : " << hgood->GetEntries() << endl;
cout << "Fake matches : " << hfake->GetEntries() << endl;
TFile *fout = TFile::Open("match-comparison.root", "RECREATE");
hgood->Write();
hfake->Write();
htrue->Write();
hfound->Write();
fout->Close();
}
