2 Int_t gEvt=0; Int_t gMaxEvt=0;
5 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
6 void HESDfromKin(const char *name)
7 {//simulate ESD from kinematics
9 if(gSystem->IsFileInIncludePath("galice.root")){// tries to open session
10 if(gAlice) delete gAlice; //in case we execute this in aliroot delete default AliRun object
11 gAL=AliRunLoader::Open(); //try to open galice.root from current dir
12 gAL->LoadgAlice(); //take new AliRun object from galice.root
13 if(gAL->LoadHeader()) return;
14 if(gAL->LoadKinematics()) return;
16 AliLoader *pHL=gAL->GetDetectorLoader("HMPID");
18 AliESD *pEsd = new AliESD();
19 TFile *pEsdFl=TFile::Open("AliESDs.root","recreate");
20 gEsdTr=new TTree("esdTree","Sim ESD from kinematics");
21 gEsdTr->Branch("ESD", &pEsd);
28 Bool_t htaCheck=ttl.Contains("HTA");
29 if(!htaCheck) SimEsd(pHL,pEsd); else SimEsdHidden(pHL,pEsd);
30 pEsdFl->Write();pEsdFl->Close();
32 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
33 void SimEsd(AliLoader *pHL,AliESD *pEsd)
35 Printf("-----------------------------------------------");
36 Printf("| SimESD: Utility to embed ESD from kinematics|");
37 Printf("-----------------------------------------------");
38 AliHMPIDTracker::SetFieldMap(gAL->GetAliRun()->Field(),kTRUE);
39 AliHMPID *pH=(AliHMPID*)gAL->GetAliRun()->GetDetector("HMPID");
41 Int_t iNevt=gAL->GetNumberOfEvents();
42 Printf("Number of events to process: %i",iNevt);
43 for(Int_t iEvt=0;iEvt<iNevt;iEvt++){//events loop
44 if(!(iEvt%50)) Printf("Events processed %i",iEvt);
46 pHL->TreeR()->GetEntry(0);
47 AliStack *pStack=gAL->Stack();
48 for(Int_t i=0;i<pStack->GetNtrack();i++){
49 TParticle *pTrack=pStack->Particle(i);
50 mtid=pTrack->GetFirstMother();
51 if(mtid>=0) continue; // only primaries
52 AliESDtrack trk(pTrack);
54 AliHMPIDTracker::Recon(pEsd,pH->CluLst(),pNmean);
56 pEsd->SetMagneticField(AliHMPIDTracker::GetBz());
60 Printf("Events processed %i",iEvt);
61 gAL->UnloadHeader(); gAL->UnloadKinematics();
63 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
64 void SimEsdHidden(AliLoader *pHL,AliESD *pEsd)
66 Double_t rd=TMath::RadToDeg();
67 Printf("----------------------------------------------");
68 Printf("| SimHTA:Utility to embed ESD from kinematics|");
69 Printf("| with Hidden Track Algorithm (HTA) |");
70 Printf("----------------------------------------------");
71 AliHMPIDTracker::SetFieldMap(gAL->GetAliRun()->Field(),kTRUE);
72 AliHMPID *pH=(AliHMPID*)gAL->GetAliRun()->GetDetector("HMPID");
74 Int_t iNevt=gAL->GetNumberOfEvents();
75 Printf("Number of events to process: %i",iNevt);
76 for(Int_t iEvt=0;iEvt<iNevt;iEvt++){//events loop
77 if(!(iEvt%50)) Printf("Events processed %i",iEvt);
79 pHL->TreeR()->GetEntry(0);
80 AliStack *pStack=gAL->Stack();
81 for(Int_t i=0;i<pStack->GetNtrack();i++){
82 TParticle *pTrack=pStack->Particle(i);
83 mtid=pTrack->GetFirstMother();
84 if(mtid>=0) continue; // only primaries
85 //find the chamber that intersects HMPID
86 AliESDtrack trk(pTrack);
88 Int_t iCh=AliHMPIDTracker::IntTrkCha(&trk,xPc,yPc); //get chamber intersected by this track
89 if(iCh<0) continue; //no intersection at all, go after next track
90 Float_t radX,radY,thetaTrk,phiTrk;
91 trk.GetHMPIDtrk(radX,radY,thetaTrk,phiTrk);
92 Printf("simulated track theta %f phi %f",thetaTrk*rd,phiTrk*rd);
93 TObjArray *pClus = pH->CluLst();
94 if(AliHMPIDTracker::ReconHiddenTrk(iCh,&trk,(TClonesArray *)pClus->At(iCh),pNmean)!=0) continue;
95 trk.GetHMPIDtrk(radX,radY,thetaTrk,phiTrk);
96 Printf("reconstr. track theta %f phi %f",thetaTrk*rd,phiTrk*rd);
98 Double_t thetaCerSim = TMath::ACos(pTrack->Energy()/(1.292*pTrack->P()));
99 Printf(" theta Cerenkov simulated %f",thetaCerSim);
100 Printf(" theta Cerenkov reconstructed %f",trk.GetHMPIDsignal());
102 pEsd->SetMagneticField(AliHMPIDTracker::GetBz());
106 Printf("Events processed %i",iEvt);
107 gAL->UnloadHeader(); gAL->UnloadKinematics();
109 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
112 AliCDBManager* pCDB = AliCDBManager::Instance();
113 pCDB->SetDefaultStorage("local://$HOME");
114 AliCDBEntry *pQthreEnt=pCDB->Get("HMPID/Calib/Qthre",0);
115 AliCDBEntry *pNmeanEnt=pCDB->Get("HMPID/Calib/Nmean",0);
117 if(!pQthreEnt || ! pNmeanEnt) return;
119 pNmean=(TObjArray*)pNmeanEnt->GetObject();
121 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++