]>
Commit | Line | Data |
---|---|---|
d8770a0f | 1 | AliRunLoader *gAL=0; |
2 | Int_t gEvt=0; Int_t gMaxEvt=0; | |
3df18479 | 3 | TObjArray *pNmean,*pQthre; |
d8770a0f | 4 | TTree *gEsdTr; |
5 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
e4290ede | 6 | void HESDfromKin(const char *name="default") |
d8770a0f | 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(); | |
6e06db1d | 18 | AliESDEvent *pEsd = new AliESDEvent(); |
d8770a0f | 19 | TFile *pEsdFl=TFile::Open("AliESDs.root","recreate"); |
20 | gEsdTr=new TTree("esdTree","Sim ESD from kinematics"); | |
e4290ede | 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 | ||
d8770a0f | 25 | } else return; |
26 | ||
3df18479 | 27 | if(!OpenCalib()) {Printf("Problems in OpenCalib!Bye.");return;} |
d8770a0f | 28 | |
c0d7adf8 | 29 | TString ttl=name; |
30 | Bool_t htaCheck=ttl.Contains("HTA"); | |
31 | if(!htaCheck) SimEsd(pHL,pEsd); else SimEsdHidden(pHL,pEsd); | |
e4290ede | 32 | |
33 | pEsdFl->cd(); | |
d8770a0f | 34 | pEsdFl->Write();pEsdFl->Close(); |
35 | } | |
36 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
6e06db1d | 37 | void SimEsd(AliLoader *pHL,AliESDEvent *pEsd) |
d8770a0f | 38 | { |
c0d7adf8 | 39 | Printf("-----------------------------------------------"); |
40 | Printf("| SimESD: Utility to embed ESD from kinematics|"); | |
41 | Printf("-----------------------------------------------"); | |
d8770a0f | 42 | AliHMPIDTracker::SetFieldMap(gAL->GetAliRun()->Field(),kTRUE); |
43 | AliHMPID *pH=(AliHMPID*)gAL->GetAliRun()->GetDetector("HMPID"); | |
44 | Int_t mtid=-1; | |
45 | Int_t iNevt=gAL->GetNumberOfEvents(); | |
1b46ef29 | 46 | pEsd->SetMagneticField(AliHMPIDTracker::GetBz()); |
d8770a0f | 47 | Printf("Number of events to process: %i",iNevt); |
48 | for(Int_t iEvt=0;iEvt<iNevt;iEvt++){//events loop | |
49 | if(!(iEvt%50)) Printf("Events processed %i",iEvt); | |
50 | gAL->GetEvent(iEvt); | |
51 | pHL->TreeR()->GetEntry(0); | |
52 | AliStack *pStack=gAL->Stack(); | |
53 | for(Int_t i=0;i<pStack->GetNtrack();i++){ | |
54 | TParticle *pTrack=pStack->Particle(i); | |
55 | mtid=pTrack->GetFirstMother(); | |
56 | if(mtid>=0) continue; // only primaries | |
1b46ef29 | 57 | if(pTrack->GetPDG()->Charge()==0) continue; |
e4290ede | 58 | AliESDtrack trk(pTrack); |
39cd22e6 | 59 | Float_t xPc,yPc,xRa,yRa,thRa,phRa; |
60 | Int_t iCh=AliHMPIDTracker::IntTrkCha(&trk,xPc,yPc,xRa,yRa,thRa,phRa); //get chamber intersected by this track | |
61 | if(iCh<0) { | |
62 | trk.SetHMPIDtrk(0,0,0,0); //no intersection found | |
63 | trk.SetHMPIDcluIdx (99,99999); //chamber not found, mip not yet considered | |
64 | trk.SetHMPIDsignal(AliHMPIDRecon::kNotPerformed); //ring reconstruction not yet performed | |
65 | continue; //no intersection at all, go after next track | |
66 | } | |
1b46ef29 | 67 | // Printf(" particle analyzed %d with mtid %d is %s hitting chamber %d",i,mtid,pTrack->GetName(),iCh); |
39cd22e6 | 68 | trk.SetHMPIDcluIdx (iCh,99999); //chamber not found, mip not yet considered |
69 | trk.SetHMPIDtrk(xRa,yRa,thRa,phRa); //store initial infos | |
d8770a0f | 70 | pEsd->AddTrack(&trk); |
d8770a0f | 71 | }// track loop |
ac66a50d | 72 | |
73 | AliHMPIDTracker::Recon(pEsd,pH->CluLst(),pNmean,pQthre); | |
74 | // Perform PID | |
75 | ||
76 | for(Int_t iTrk=0;iTrk<pEsd->GetNumberOfTracks();iTrk++){ //ESD tracks loop | |
77 | AliESDtrack *pTrk = pEsd->GetTrack(iTrk); //get reconstructed track | |
78 | AliHMPIDPid pID; | |
79 | Double_t prob[5]; | |
80 | pID.FindPid(pTrk,5,prob); | |
d35d51b7 | 81 | pTrk->SetHMPIDpid(prob); |
ac66a50d | 82 | // Printf(" Prob e- %6.2f mu %6.2f pi %6.2f k %6.2f p %6.2f",prob[0]*100,prob[1]*100,prob[2]*100,prob[3]*100,prob[4]*100); |
83 | } | |
84 | ||
d8770a0f | 85 | gEsdTr->Fill(); |
86 | pEsd->Reset(); | |
ac66a50d | 87 | |
d8770a0f | 88 | }// event loop |
89 | Printf("Events processed %i",iEvt); | |
90 | gAL->UnloadHeader(); gAL->UnloadKinematics(); | |
3b49956b | 91 | }//Esd() |
d8770a0f | 92 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
6e06db1d | 93 | void SimEsdHidden(AliLoader *pHL,AliESDEvent *pEsd) |
3b49956b | 94 | { |
1b46ef29 | 95 | TFile *fout = new TFile("HTA.root","recreate"); |
96 | TH1F *hdC = new TH1F("dC" ,";delta Cerenkov (rad)",100,-0.2,0.2); | |
97 | TH1F *hCer = new TH1F("Cer" ,"Theta Cerenkov (rad)",250,0.,0.75); | |
98 | TH2F *htvsp = new TH2F("tvsp",";momentum (GeV/c);theta Cerenkov (rad)",100,0.,5.,1000,0.,0.75); | |
99 | TH1F *hdth = new TH1F("dth" ,";Delta theta Trk (mrad)",100,-250,250); | |
100 | TH1F *hdph = new TH1F("dph" ,";Delta phi Trk (mrad)",100,-500,500); | |
3b49956b | 101 | Double_t rd=TMath::RadToDeg(); |
c0d7adf8 | 102 | Printf("----------------------------------------------"); |
103 | Printf("| SimHTA:Utility to embed ESD from kinematics|"); | |
104 | Printf("| with Hidden Track Algorithm (HTA) |"); | |
105 | Printf("----------------------------------------------"); | |
d8770a0f | 106 | AliHMPIDTracker::SetFieldMap(gAL->GetAliRun()->Field(),kTRUE); |
107 | AliHMPID *pH=(AliHMPID*)gAL->GetAliRun()->GetDetector("HMPID"); | |
108 | Int_t mtid=-1; | |
109 | Int_t iNevt=gAL->GetNumberOfEvents(); | |
1b46ef29 | 110 | |
d8770a0f | 111 | Printf("Number of events to process: %i",iNevt); |
1b46ef29 | 112 | |
d8770a0f | 113 | for(Int_t iEvt=0;iEvt<iNevt;iEvt++){//events loop |
114 | if(!(iEvt%50)) Printf("Events processed %i",iEvt); | |
3b49956b | 115 | gAL->GetEvent(iEvt); |
d8770a0f | 116 | pHL->TreeR()->GetEntry(0); |
3b49956b | 117 | AliStack *pStack=gAL->Stack(); |
1b46ef29 | 118 | |
3b49956b | 119 | for(Int_t i=0;i<pStack->GetNtrack();i++){ |
1b46ef29 | 120 | |
3b49956b | 121 | TParticle *pTrack=pStack->Particle(i); |
122 | mtid=pTrack->GetFirstMother(); | |
1b46ef29 | 123 | |
3b49956b | 124 | if(mtid>=0) continue; // only primaries |
1b46ef29 | 125 | |
3b49956b | 126 | //find the chamber that intersects HMPID |
127 | AliESDtrack trk(pTrack); | |
39cd22e6 | 128 | Float_t xPc,yPc,xRa,yRa,thRa,phRa; |
129 | Int_t iCh=AliHMPIDTracker::IntTrkCha(&trk,xPc,yPc,xRa,yRa,thRa,phRa); //get chamber intersected by this track | |
3b49956b | 130 | if(iCh<0) continue; //no intersection at all, go after next track |
39cd22e6 | 131 | trk.SetHMPIDtrk(xRa,yRa,thRa,phRa); //store initial infos |
3b49956b | 132 | Float_t radX,radY,thetaTrk,phiTrk; |
133 | trk.GetHMPIDtrk(radX,radY,thetaTrk,phiTrk); | |
3df18479 | 134 | // Printf("simulated track theta %f phi %f",thetaTrk*rd,phiTrk*rd); |
3b49956b | 135 | TObjArray *pClus = pH->CluLst(); |
1b46ef29 | 136 | |
39cd22e6 | 137 | if(AliHMPIDTracker::ReconHiddenTrk(iCh,0,&trk,(TClonesArray *)pClus->At(iCh),pNmean,pQthre)!=0) continue; |
1b46ef29 | 138 | |
3b49956b | 139 | pEsd->AddTrack(&trk); |
140 | Double_t thetaCerSim = TMath::ACos(pTrack->Energy()/(1.292*pTrack->P())); | |
3df18479 | 141 | // Printf(" theta Cerenkov simulated %f",thetaCerSim); |
142 | // Printf(" theta Cerenkov reconstructed %f",trk.GetHMPIDsignal()); | |
1b46ef29 | 143 | Float_t thetaFit,phiFit; |
144 | trk.GetHMPIDtrk(radX,radY,thetaFit,phiFit); | |
145 | // Printf("reconstr. track theta %f phi %f",thetaFit*rd,phiFit*rd); | |
146 | ||
147 | // fill useful histos | |
3df18479 | 148 | hdC->Fill(trk.GetHMPIDsignal()-thetaCerSim); |
149 | hCer->Fill(trk.GetHMPIDsignal()); | |
150 | htvsp->Fill(pTrack->P(),trk.GetHMPIDsignal()); | |
1b46ef29 | 151 | hdth->Fill((thetaFit-thetaTrk)*1000); |
152 | hdph->Fill((phiFit-phiTrk)*1000); | |
3b49956b | 153 | }// track loop |
d8770a0f | 154 | pEsd->SetMagneticField(AliHMPIDTracker::GetBz()); |
155 | gEsdTr->Fill(); | |
156 | pEsd->Reset(); | |
157 | }// event loop | |
158 | Printf("Events processed %i",iEvt); | |
1b46ef29 | 159 | fout->Write(); |
160 | fout->Close(); | |
161 | delete fout; | |
d8770a0f | 162 | gAL->UnloadHeader(); gAL->UnloadKinematics(); |
3b49956b | 163 | }//EsdHidden() |
d8770a0f | 164 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
3df18479 | 165 | Bool_t OpenCalib() |
d8770a0f | 166 | { |
167 | AliCDBManager* pCDB = AliCDBManager::Instance(); | |
168 | pCDB->SetDefaultStorage("local://$HOME"); | |
169 | AliCDBEntry *pQthreEnt=pCDB->Get("HMPID/Calib/Qthre",0); | |
170 | AliCDBEntry *pNmeanEnt=pCDB->Get("HMPID/Calib/Nmean",0); | |
171 | ||
3df18479 | 172 | if(!pQthreEnt || !pNmeanEnt) return kFALSE; |
d8770a0f | 173 | |
174 | pNmean=(TObjArray*)pNmeanEnt->GetObject(); | |
3df18479 | 175 | pQthre=(TObjArray*)pQthreEnt->GetObject(); |
176 | ||
177 | if(!pQthre || !pNmean) return kFALSE; | |
178 | return kTRUE; | |
d8770a0f | 179 | } |
180 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |