2 Int_t gEvt=0; Int_t gMaxEvt=0;
3 TObjArray *pNmean,*pQthre;
5 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
6 void HESDfromKin(const char *name="default")
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 AliESDEvent *pEsd = new AliESDEvent();
19 TFile *pEsdFl=TFile::Open("AliESDs.root","recreate");
20 gEsdTr=new TTree("esdTree","Sim ESD from kinematics");
21 pEsd->CreateStdContent(); pEsd->WriteToTree(gEsdTr); //clm: new ESD write schema: see Task Force meeting 20th June, 2007
22 gEsdTr->GetUserInfo()->Add(pEsd); //clm: TList has to be created for ReadFromTree method -- this was not needed by the old ESD
27 if(!OpenCalib()) {Printf("Problems in OpenCalib!Bye.");return;}
30 Bool_t htaCheck=ttl.Contains("HTA");
31 // if(!htaCheck) SimEsd(pHL,pEsd); else SimEsdHidden(pHL,pEsd);
32 SimEsd(pHL,pEsd,htaCheck);
35 pEsdFl->Write();pEsdFl->Close();
37 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
38 void SimEsd(AliLoader *pHL,AliESDEvent *pEsd,Bool_t htaCheck)
41 TFile *fout = new TFile("HTA.root","recreate");
42 TH1F *hdC = new TH1F("dC" ,";delta Cerenkov (rad)",100,-0.2,0.2);
43 TH1F *hCer = new TH1F("Cer" ,"Theta Cerenkov (rad)",250,0.,0.75);
44 TH2F *htvsp = new TH2F("tvsp",";momentum (GeV/c);theta Cerenkov (rad)",100,0.,5.,1000,0.,0.75);
45 TH1F *hdth = new TH1F("dth" ,";Delta theta Trk (mrad)",100,-250,250);
46 TH1F *hdph = new TH1F("dph" ,";Delta phi Trk (mrad)",100,-500,500);
47 Double_t rd=TMath::RadToDeg();
48 Printf("----------------------------------------------");
49 Printf("| SimHTA:Utility to embed ESD from kinematics|");
50 Printf("| with Hidden Track Algorithm (HTA) |");
51 Printf("----------------------------------------------");
53 Printf("-----------------------------------------------");
54 Printf("| SimESD: Utility to embed ESD from kinematics|");
55 Printf("-----------------------------------------------");
58 AliGRPManager *grpMan = new AliGRPManager();
60 grpMan->ReadGRPEntry();
61 grpMan->SetMagField();
63 AliHMPIDTracker pTracker;
64 AliHMPID *pH=(AliHMPID*)gAL->GetAliRun()->GetDetector("HMPID");
65 Int_t iNevt=gAL->GetNumberOfEvents();
66 pEsd->SetMagneticField(AliHMPIDTracker::GetBz());
67 for(Int_t iEvt=0;iEvt<iNevt;iEvt++){//events loop
69 pHL->TreeR()->GetEntry(0);
70 AliStack *pStack=gAL->Stack();
73 for(Int_t i=0;i<pStack->GetNtrack();i++){
74 if(!pStack->IsPhysicalPrimary(i)) continue;
75 TParticle *pTrack=pStack->Particle(i);
76 if(pTrack->GetPDG()->Charge()==0) continue;
77 Printf("track n. %i",i);
78 AliESDtrack trk(pTrack);
79 Float_t xPc,yPc,xRa,yRa,thRa,phRa;
80 Int_t iCh=pTracker.IntTrkCha(&trk,xPc,yPc,xRa,yRa,thRa,phRa); //get chamber intersected by this track
82 trk.SetHMPIDtrk(0,0,0,0); //no intersection found
83 trk.SetHMPIDcluIdx (99,99999); //chamber not found, mip not yet considered
84 trk.SetHMPIDsignal(AliHMPIDRecon::kNotPerformed); //ring reconstruction not yet performed
85 continue; //no intersection at all, go after next track
88 trk.SetHMPIDcluIdx (iCh,99999); //chamber not found, mip not yet considered
90 if(phRa<0) phRa += TMath::TwoPi(); // to be verified
92 trk.SetHMPIDtrk(xPc,yPc,thRa,phRa); //store initial infos
96 if(!htaCheck) status = pTracker.Recon (pEsd,pH->CluLst(),pNmean,pQthre);
97 else status = pTracker.ReconHiddenTrk(pEsd,pH->CluLst(),pNmean,pQthre);
99 // Printf("status %i",status);
100 if(status !=0) continue;
105 if(!(iEvt%50)) Printf("Number of events processed: %i with tracks %i in HMPID",iEvt,nTrkHMPID);
106 // Printf("Number of events processed: %i with tracks %i in HMPID",iEvt,nTrkHMPID);
111 Printf("Events processed %i",iEvt);
117 gAL->UnloadHeader(); gAL->UnloadKinematics();
119 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
122 AliCDBManager* pCDB = AliCDBManager::Instance();
123 pCDB->SetDefaultStorage("local://$ALICE_ROOT/OCDB");
125 AliCDBEntry *pQthreEnt=pCDB->Get("HMPID/Calib/Qthre",0);
126 AliCDBEntry *pNmeanEnt=pCDB->Get("HMPID/Calib/Nmean",0);
128 if(!pQthreEnt || !pNmeanEnt) return kFALSE;
130 pNmean=(TObjArray*)pNmeanEnt->GetObject();
131 pQthre=(TObjArray*)pQthreEnt->GetObject();
133 if(!pQthre || !pNmean) return kFALSE;