- }// event loop
- Printf("Events processed %i",iEvt);
- gAL->UnloadHeader(); gAL->UnloadKinematics();
-}//Esd()
-//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-void SimEsdHidden(AliLoader *pHL,AliESDEvent *pEsd)
-{
- TFile *fout = new TFile("HTA.root","recreate");
- TH1F *hdC = new TH1F("dC" ,";delta Cerenkov (rad)",100,-0.2,0.2);
- TH1F *hCer = new TH1F("Cer" ,"Theta Cerenkov (rad)",250,0.,0.75);
- TH2F *htvsp = new TH2F("tvsp",";momentum (GeV/c);theta Cerenkov (rad)",100,0.,5.,1000,0.,0.75);
- TH1F *hdth = new TH1F("dth" ,";Delta theta Trk (mrad)",100,-250,250);
- TH1F *hdph = new TH1F("dph" ,";Delta phi Trk (mrad)",100,-500,500);
- Double_t rd=TMath::RadToDeg();
- Printf("----------------------------------------------");
- Printf("| SimHTA:Utility to embed ESD from kinematics|");
- Printf("| with Hidden Track Algorithm (HTA) |");
- Printf("----------------------------------------------");
- AliHMPIDTracker::SetFieldMap(gAL->GetAliRun()->Field(),kTRUE);
- AliHMPID *pH=(AliHMPID*)gAL->GetAliRun()->GetDetector("HMPID");
- Int_t mtid=-1;
- Int_t iNevt=gAL->GetNumberOfEvents();
-
- Printf("Number of events to process: %i",iNevt);
-
- for(Int_t iEvt=0;iEvt<iNevt;iEvt++){//events loop
- if(!(iEvt%50)) Printf("Events processed %i",iEvt);
- gAL->GetEvent(iEvt);
- pHL->TreeR()->GetEntry(0);
- AliStack *pStack=gAL->Stack();
-
- for(Int_t i=0;i<pStack->GetNtrack();i++){
-
- TParticle *pTrack=pStack->Particle(i);
- mtid=pTrack->GetFirstMother();
-
- if(mtid>=0) continue; // only primaries
-
- //find the chamber that intersects HMPID
- AliESDtrack trk(pTrack);
- Float_t xPc,yPc,xRa,yRa,thRa,phRa;
- Int_t iCh=AliHMPIDTracker::IntTrkCha(&trk,xPc,yPc,xRa,yRa,thRa,phRa); //get chamber intersected by this track
- if(iCh<0) continue; //no intersection at all, go after next track
- trk.SetHMPIDtrk(xRa,yRa,thRa,phRa); //store initial infos
- Float_t radX,radY,thetaTrk,phiTrk;
- trk.GetHMPIDtrk(radX,radY,thetaTrk,phiTrk);
-// Printf("simulated track theta %f phi %f",thetaTrk*rd,phiTrk*rd);
- TObjArray *pClus = pH->CluLst();
-
- if(AliHMPIDTracker::ReconHiddenTrk(iCh,0,&trk,(TClonesArray *)pClus->At(iCh),pNmean,pQthre)!=0) continue;
-
- pEsd->AddTrack(&trk);
- Double_t thetaCerSim = TMath::ACos(pTrack->Energy()/(1.292*pTrack->P()));
-// Printf(" theta Cerenkov simulated %f",thetaCerSim);
-// Printf(" theta Cerenkov reconstructed %f",trk.GetHMPIDsignal());
- Float_t thetaFit,phiFit;
- trk.GetHMPIDtrk(radX,radY,thetaFit,phiFit);
-// Printf("reconstr. track theta %f phi %f",thetaFit*rd,phiFit*rd);
-
- // fill useful histos
- hdC->Fill(trk.GetHMPIDsignal()-thetaCerSim);
- hCer->Fill(trk.GetHMPIDsignal());
- htvsp->Fill(pTrack->P(),trk.GetHMPIDsignal());
- hdth->Fill((thetaFit-thetaTrk)*1000);
- hdph->Fill((phiFit-phiTrk)*1000);
- }// track loop
- pEsd->SetMagneticField(AliHMPIDTracker::GetBz());