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Commit | Line | Data |
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1 | AliRunLoader *gAL=0; | |
2 | Int_t gEvt=0; Int_t gMaxEvt=0; | |
3 | TObjArray *pNmean,*pQthre; | |
4 | TTree *gEsdTr; | |
5 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
6 | void HESDfromKin(const char *name="default") | |
7 | {//simulate ESD from kinematics | |
8 | ||
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; | |
15 | ||
16 | AliLoader *pHL=gAL->GetDetectorLoader("HMPID"); | |
17 | pHL->LoadRecPoints(); | |
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 | |
23 | ||
24 | ||
25 | } else return; | |
26 | ||
27 | if(!OpenCalib()) {Printf("Problems in OpenCalib!Bye.");return;} | |
28 | ||
29 | TString ttl=name; | |
30 | Bool_t htaCheck=ttl.Contains("HTA"); | |
31 | // if(!htaCheck) SimEsd(pHL,pEsd); else SimEsdHidden(pHL,pEsd); | |
32 | SimEsd(pHL,pEsd,htaCheck); | |
33 | ||
34 | pEsdFl->cd(); | |
35 | pEsdFl->Write();pEsdFl->Close(); | |
36 | } | |
37 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
38 | void SimEsd(AliLoader *pHL,AliESDEvent *pEsd,Bool_t htaCheck) | |
39 | { | |
40 | if(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("----------------------------------------------"); | |
52 | } else { | |
53 | Printf("-----------------------------------------------"); | |
54 | Printf("| SimESD: Utility to embed ESD from kinematics|"); | |
55 | Printf("-----------------------------------------------"); | |
56 | } | |
57 | ||
58 | AliGRPManager *grpMan = new AliGRPManager(); | |
59 | ||
60 | grpMan->ReadGRPEntry(); | |
61 | grpMan->SetMagField(); | |
62 | ||
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 | |
68 | gAL->GetEvent(iEvt); | |
69 | pHL->TreeR()->GetEntry(0); | |
70 | AliStack *pStack=gAL->Stack(); | |
71 | Int_t nTrkHMPID=0; | |
72 | ||
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 | |
81 | if(iCh<0) { | |
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 | |
86 | } | |
87 | nTrkHMPID++; | |
88 | trk.SetHMPIDcluIdx (iCh,99999); //chamber not found, mip not yet considered | |
89 | ||
90 | if(phRa<0) phRa += TMath::TwoPi(); // to be verified | |
91 | ||
92 | trk.SetHMPIDtrk(xPc,yPc,thRa,phRa); //store initial infos | |
93 | trk.SetLabel(i); | |
94 | pEsd->AddTrack(&trk); | |
95 | ||
96 | Int_t status; | |
97 | if(!htaCheck) status = pTracker.ReconFromKin (pEsd,pH->CluLst(),pNmean,pQthre); | |
98 | else status = pTracker.ReconHiddenTrk(pEsd,pH->CluLst(),pNmean,pQthre); | |
99 | ||
100 | // Printf("status %i",status); | |
101 | if(status !=0) continue; | |
102 | ||
103 | ||
104 | }// track loop | |
105 | ||
106 | if(!(iEvt%50)) Printf("Number of events processed: %i with tracks %i in HMPID",iEvt,nTrkHMPID); | |
107 | // Printf("Number of events processed: %i with tracks %i in HMPID",iEvt,nTrkHMPID); | |
108 | ||
109 | gEsdTr->Fill(); | |
110 | pEsd->Reset(); | |
111 | }// event loop | |
112 | Printf("Events processed %i",iEvt); | |
113 | if(htaCheck) { | |
114 | fout->Write(); | |
115 | fout->Close(); | |
116 | delete fout; | |
117 | } | |
118 | gAL->UnloadHeader(); gAL->UnloadKinematics(); | |
119 | }//SimEsd() | |
120 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
121 | Bool_t OpenCalib() | |
122 | { | |
123 | AliCDBManager* pCDB = AliCDBManager::Instance(); | |
124 | pCDB->SetDefaultStorage("local://$ALICE_ROOT/OCDB"); | |
125 | pCDB->SetSpecificStorage("GRP/GRP/Data", Form("local://%s",gSystem->pwd())); | |
126 | pCDB->SetRun(0); | |
127 | AliCDBEntry *pQthreEnt=pCDB->Get("HMPID/Calib/Qthre",0); | |
128 | AliCDBEntry *pNmeanEnt=pCDB->Get("HMPID/Calib/Nmean",0); | |
129 | ||
130 | if(!pQthreEnt || !pNmeanEnt) return kFALSE; | |
131 | ||
132 | pNmean=(TObjArray*)pNmeanEnt->GetObject(); | |
133 | pQthre=(TObjArray*)pQthreEnt->GetObject(); | |
134 | ||
135 | if(!pQthre || !pNmean) return kFALSE; | |
136 | return kTRUE; | |
137 | } |