// 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();
}
