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2 | /************************************************************************** | |
3 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * * | |
5 | * Author: The ALICE Off-line Project. * | |
6 | * Contributors are mentioned in the code where appropriate. * | |
7 | * * | |
8 | * Permission to use, copy, modify and distribute this software and its * | |
9 | * documentation strictly for non-commercial purposes is hereby granted * | |
10 | * without fee, provided that the above copyright notice appears in all * | |
11 | * copies and that both the copyright notice and this permission notice * | |
12 | * appear in the supporting documentation. The authors make no claims * | |
13 | * about the suitability of this software for any purpose. It is * | |
14 | * provided "as is" without express or implied warranty. * | |
15 | **************************************************************************/ | |
16 | /* $Id: $ */ | |
17 | ||
18 | /* History of cvs commits: | |
19 | * | |
20 | * $Log$ | |
21 | * | |
22 | * | |
23 | */ | |
24 | ||
25 | //_________________________________________________________________________ | |
26 | // Class for reading data (ESDs) in order to do prompt gamma | |
27 | // or other particle identification and correlations | |
28 | // | |
29 | // | |
30 | //*-- Author: Gustavo Conesa (LNF-INFN) | |
31 | ////////////////////////////////////////////////////////////////////////////// | |
32 | ||
33 | ||
34 | // --- ROOT system --- | |
35 | ||
36 | //---- ANALYSIS system ---- | |
37 | #include "AliCaloTrackESDReader.h" | |
38 | #include "AliESDEvent.h" | |
39 | #include "AliESDVertex.h" | |
40 | #include "AliESDCaloCluster.h" | |
41 | #include "AliAODCaloCluster.h" | |
42 | #include "AliAODTrack.h" | |
43 | #include "AliAODEvent.h" | |
44 | #include "AliMCEvent.h" | |
45 | #include "AliLog.h" | |
46 | #include "Riostream.h" | |
47 | ||
48 | ClassImp(AliCaloTrackESDReader) | |
49 | ||
50 | //____________________________________________________________________________ | |
51 | AliCaloTrackESDReader::AliCaloTrackESDReader() : | |
52 | AliCaloTrackReader() | |
53 | { | |
54 | //Default Ctor | |
55 | ||
56 | //Initialize parameters | |
57 | fDataType=kESD; | |
58 | ||
59 | } | |
60 | ||
61 | //____________________________________________________________________________ | |
62 | AliCaloTrackESDReader::AliCaloTrackESDReader(const AliCaloTrackESDReader & g) : | |
63 | AliCaloTrackReader(g) | |
64 | { | |
65 | // cpy ctor | |
66 | } | |
67 | ||
68 | //_________________________________________________________________________ | |
69 | AliCaloTrackESDReader & AliCaloTrackESDReader::operator = (const AliCaloTrackESDReader & source) | |
70 | { | |
71 | // assignment operator | |
72 | ||
73 | if(&source == this) return *this; | |
74 | ||
75 | return *this; | |
76 | ||
77 | } | |
78 | ||
79 | //____________________________________________________________________________ | |
80 | void AliCaloTrackESDReader::FillInputCTS() { | |
81 | //Return array with CTS tracks | |
82 | ||
83 | fAODCTS = new TClonesArray("AliAODTrack",0); | |
84 | ||
85 | Int_t nTracks = fESD->GetNumberOfTracks() ; | |
86 | Int_t naod = 0; | |
87 | Double_t pos[3]; | |
88 | Double_t p[3]; | |
89 | Double_t covTr[21]; | |
90 | Double_t pid[10]; | |
91 | for (Int_t itrack = 0; itrack < nTracks; itrack++) {////////////// track loop | |
92 | AliESDtrack * track = fESD->GetTrack(itrack) ; // retrieve track from esd | |
93 | ||
94 | //We want tracks fitted in the detectors: | |
95 | ULong_t status=AliESDtrack::kTPCrefit; | |
96 | status|=AliESDtrack::kITSrefit; | |
97 | ||
98 | if ( (track->GetStatus() & status) == status) {//Check if the bits we want are set | |
99 | ||
100 | track->GetPxPyPz(p) ; | |
101 | TLorentzVector momentum(p[0],p[1],p[2],0); | |
102 | ||
103 | if(fCTSPtMin < momentum.Pt() &&fFidutialCut->IsInFidutialCut(momentum,"CTS")){ | |
104 | ||
105 | if(fDebug > 3 && momentum.Pt() > 0.2)printf("FillInputCTS():: Selected tracks E %3.2f, pt %3.2f, phi %3.2f, eta %3.2f\n", | |
106 | momentum.E(),momentum.Pt(),momentum.Phi()*TMath::RadToDeg(),momentum.Eta()); | |
107 | ||
108 | track->GetXYZ(pos); | |
109 | track->GetCovarianceXYZPxPyPz(covTr); | |
110 | track->GetESDpid(pid); | |
111 | ||
112 | Float_t impactXY, impactZ; | |
113 | ||
114 | track->GetImpactParameters(impactXY,impactZ); | |
115 | ||
116 | if (impactXY<3) { | |
117 | // track inside the beam pipe | |
118 | ||
119 | AliAODTrack *aodTrack = new((*fAODCTS)[naod++]) | |
120 | AliAODTrack(track->GetID(), track->GetLabel(), p, kTRUE, pos, kFALSE,covTr, (Short_t)track->GetSign(), track->GetITSClusterMap(), | |
121 | pid, | |
122 | 0x0,//primary, | |
123 | kTRUE, // check if this is right | |
124 | kTRUE, // check if this is right | |
125 | AliAODTrack::kPrimary, | |
126 | 0); | |
127 | ||
128 | aodTrack->SetFlags(track->GetStatus()); | |
129 | aodTrack->ConvertAliPIDtoAODPID(); | |
130 | } | |
131 | else continue; // outside the beam pipe: orphan track | |
132 | }//Pt and Fidutial cut passed. | |
133 | }// track status | |
134 | }// track loop | |
135 | if(fDebug > 1) printf("FillInputCTS():: aod entries %d\n", fAODCTS->GetEntries()); | |
136 | } | |
137 | ||
138 | //____________________________________________________________________________ | |
139 | void AliCaloTrackESDReader::FillInputEMCAL() { | |
140 | //Return array with EMCAL clusters in aod format | |
141 | ||
142 | fAODEMCAL = new TClonesArray("AliAODCaloCluster",0); | |
143 | ||
144 | TRefArray * caloClusters = new TRefArray(); | |
145 | fESD->GetEMCALClusters(caloClusters); | |
146 | ||
147 | //Get vertex for momentum calculation | |
148 | Double_t v[3] ; //vertex ; | |
149 | GetVertex(v); | |
150 | ||
151 | //Loop to select clusters in fidutial cut and fill container with aodClusters | |
152 | Int_t naod = 0; | |
153 | Float_t pos[3] ; | |
154 | // Double_t * pid = new Double_t[AliPID::kSPECIESN]; | |
155 | ||
156 | for (Int_t iclus = 0; iclus < caloClusters->GetEntries(); iclus++) { | |
157 | AliESDCaloCluster * clus = (AliESDCaloCluster *) caloClusters->At(iclus) ; | |
158 | TLorentzVector momentum ; | |
159 | clus->GetMomentum(momentum, v); | |
160 | if(fDebug > 3 && momentum.E() > 0.1)printf("FillInputEMCAL():: all clusters E %3.2f, pt %3.2f, phi %3.2f, eta %3.2f\n", | |
161 | momentum.E(),momentum.Pt(),momentum.Phi()*TMath::RadToDeg(),momentum.Eta()); | |
162 | if(fEMCALPtMin < momentum.Pt() && fFidutialCut->IsInFidutialCut(momentum,"EMCAL")){ | |
163 | ||
164 | if(fDebug > 2 && momentum.E() > 0.1)printf("FillInputEMCAL():: Selected clusters E %3.2f, pt %3.2f, phi %3.2f, eta %3.2f\n", | |
165 | momentum.E(),momentum.Pt(),momentum.Phi()*TMath::RadToDeg(),momentum.Eta()); | |
166 | // pid=clus->GetPid(); | |
167 | clus->GetPosition(pos) ; | |
168 | // printf("Reader PID ESD: ph %0.2f, pi0 %0.2f, el %0.2f, conv el %0.2f,pi %0.2f, k %0.2f, p %0.2f, k0 %0.2f, n %0.2f, mu %0.2f \n", | |
169 | // pid[AliPID::kPhoton],pid[AliPID::kPi0], | |
170 | // pid[AliPID::kElectron],pid[AliPID::kEleCon],pid[AliPID::kPion], | |
171 | // pid[AliPID::kKaon],pid[AliPID::kProton], pid[AliPID::kKaon0], | |
172 | // pid[AliPID::kNeutron], pid[AliPID::kMuon]); | |
173 | Int_t id = clus->GetID(); | |
174 | Int_t nLabel = clus->GetNLabels(); | |
175 | Int_t *labels=0x0; | |
176 | if(clus->GetLabels()) labels = (clus->GetLabels())->GetArray(); | |
177 | ||
178 | Float_t energy = clus->E(); | |
179 | Char_t ttype= AliAODCluster::kEMCALClusterv1; | |
180 | AliAODCaloCluster *caloCluster = new((*fAODEMCAL)[naod++]) | |
181 | AliAODCaloCluster(id,nLabel,labels,energy, pos, NULL,ttype,0); | |
182 | ||
183 | caloCluster->SetPIDFromESD(clus->GetPid()); | |
184 | caloCluster->SetCaloCluster(clus->GetDistanceToBadChannel(), clus->GetClusterDisp(), | |
185 | clus->GetM20(), clus->GetM02(), | |
186 | clus->GetEmcCpvDistance(), clus->GetNExMax(), clus->GetTOF()) ; | |
187 | caloCluster->SetNCells(clus->GetNCells()); | |
188 | caloCluster->SetCellsAbsId(clus->GetCellsAbsId()); | |
189 | caloCluster->SetCellsAmplitudeFraction(clus->GetCellsAmplitudeFraction()); | |
190 | ||
191 | TArrayI* matchedT = clus->GetTracksMatched(); | |
192 | if (matchedT && clus->GetTrackMatched() > 0) { | |
193 | for (Int_t im = 0; im < matchedT->GetSize(); im++) { | |
194 | caloCluster->AddTrackMatched((fESD->GetTrack(im))); | |
195 | } | |
196 | } | |
197 | ||
198 | }//Pt and Fidutial cut passed. | |
199 | }//esd cluster loop | |
200 | ||
201 | if(fDebug > 1) printf("FillInputEMCAL():: aod entries %d\n", fAODEMCAL->GetEntries()); | |
202 | ||
203 | } | |
204 | ||
205 | //____________________________________________________________________________ | |
206 | void AliCaloTrackESDReader::FillInputPHOS() { | |
207 | //Return array with PHOS clusters in aod format | |
208 | fAODPHOS = new TClonesArray("AliAODCaloCluster",0); | |
209 | ||
210 | TRefArray * caloClusters = new TRefArray(); | |
211 | fESD->GetPHOSClusters(caloClusters); | |
212 | ||
213 | //Get vertex for momentum calculation | |
214 | Double_t v[3] ; //vertex ; | |
215 | GetVertex(v); | |
216 | ||
217 | //Loop to select clusters in fidutial cut and fill container with aodClusters | |
218 | Int_t naod = 0; | |
219 | Float_t pos[3] ; | |
220 | Double_t * pid = new Double_t[AliPID::kSPECIESN]; | |
221 | ||
222 | for (Int_t iclus = 0; iclus < caloClusters->GetEntries(); iclus++) { | |
223 | AliESDCaloCluster * clus = (AliESDCaloCluster *) caloClusters->At(iclus) ; | |
224 | TLorentzVector momentum ; | |
225 | clus->GetMomentum(momentum, v); | |
226 | if(fDebug > 3 && momentum.E() > 0.1)printf("FillInputPHOS():: all clusters E %3.2f, pt %3.2f, phi %3.2f, eta %3.2f\n", | |
227 | momentum.E(),momentum.Pt(),momentum.Phi()*TMath::RadToDeg(),momentum.Eta()); | |
228 | if(fPHOSPtMin < momentum.Pt() && fFidutialCut->IsInFidutialCut(momentum,"PHOS")){ | |
229 | ||
230 | if(fDebug > 2 && momentum.E() > 0.1)printf("FillInputPHOS():: Selected clusters E %3.2f, pt %3.2f, phi %3.2f, eta %3.2f\n", | |
231 | momentum.E(),momentum.Pt(),momentum.Phi()*TMath::RadToDeg(),momentum.Eta()); | |
232 | ||
233 | pid=clus->GetPid(); | |
234 | // printf("Reader PID ESD: ph %0.2f, pi0 %0.2f, el %0.2f, conv el %0.2f,pi %0.2f, k %0.2f, p %0.2f, k0 %0.2f, n %0.2f, mu %0.2f \n", | |
235 | // pid[AliPID::kPhoton],pid[AliPID::kPi0], | |
236 | // pid[AliPID::kElectron],pid[AliPID::kEleCon],pid[AliPID::kPion], | |
237 | // pid[AliPID::kKaon],pid[AliPID::kProton], pid[AliPID::kKaon0], | |
238 | // pid[AliPID::kNeutron], pid[AliPID::kMuon]); | |
239 | ||
240 | clus->GetPosition(pos) ; | |
241 | Int_t id = clus->GetID(); | |
242 | Int_t nLabel = clus->GetNLabels(); | |
243 | Int_t *labels=0x0; | |
244 | if(clus->GetLabels()) labels = (clus->GetLabels())->GetArray(); | |
245 | Float_t energy = clus->E(); | |
246 | ||
247 | //Phos cluster type | |
248 | Char_t ttype= AliAODCluster::kPHOSNeutral; | |
249 | Float_t wNeutral = pid[AliPID::kNeutron]+ pid[AliPID::kKaon0]+pid[AliPID::kPhoton]+pid[AliPID::kPi0]; | |
250 | Float_t wCharged = pid[AliPID::kMuon] + pid[AliPID::kElectron] + pid[AliPID::kEleCon]+ | |
251 | pid[AliPID::kProton]+pid[AliPID::kKaon]+pid[AliPID::kPion]; | |
252 | if( wCharged > wNeutral) ttype= AliAODCluster::kPHOSCharged; | |
253 | ||
254 | AliAODCaloCluster *caloCluster = new((*fAODPHOS)[naod++]) | |
255 | AliAODCaloCluster(id,nLabel,labels,energy, pos, NULL, ttype, 0); | |
256 | caloCluster->SetPIDFromESD(clus->GetPid()); | |
257 | caloCluster->SetCaloCluster(clus->GetDistanceToBadChannel(), clus->GetClusterDisp(), | |
258 | clus->GetM20(), clus->GetM02(), | |
259 | clus->GetEmcCpvDistance(), clus->GetNExMax()) ; | |
260 | caloCluster->SetNCells(clus->GetNCells()); | |
261 | caloCluster->SetCellsAbsId(clus->GetCellsAbsId()); | |
262 | caloCluster->SetCellsAmplitudeFraction(clus->GetCellsAmplitudeFraction()); | |
263 | TArrayI* matchedT = clus->GetTracksMatched(); | |
264 | if (matchedT) { | |
265 | for (Int_t im = 0; im < matchedT->GetSize(); im++) { | |
266 | caloCluster->AddTrackMatched((fESD->GetTrack(im))); | |
267 | } | |
268 | } | |
269 | ||
270 | }//Pt and Fidutial cut passed. | |
271 | }//esd cluster loop | |
272 | if(fDebug > 1) printf("FillInputPHOS():: aod entries %d\n", fAODPHOS->GetEntries()); | |
273 | ||
274 | ||
275 | } | |
276 | ||
277 | //____________________________________________________________________________ | |
278 | void AliCaloTrackESDReader::FillInputEMCALCells() { | |
279 | //Return array with EMCAL cells in esd format | |
280 | ||
281 | fEMCALCells = (TNamed*) fESD->GetEMCALCells(); | |
282 | ||
283 | } | |
284 | ||
285 | //____________________________________________________________________________ | |
286 | void AliCaloTrackESDReader::FillInputPHOSCells() { | |
287 | //Return array with PHOS cells in esd format | |
288 | ||
289 | fPHOSCells = (TNamed*) fESD->GetPHOSCells(); | |
290 | ||
291 | } | |
292 | ||
293 | //____________________________________________________________________________ | |
294 | void AliCaloTrackESDReader::GetVertex(Double_t v[3]) { | |
295 | //Return vertex position | |
296 | ||
297 | fESD->GetVertex()->GetXYZ(v) ; | |
298 | ||
299 | } | |
300 | ||
301 | ||
302 | //____________________________________________________________________________ | |
303 | void AliCaloTrackESDReader::SetInputEvent(TObject* esd, TObject* aod, TObject* mc) { | |
304 | // Connect the data pointers | |
305 | SetESD((AliESDEvent*) esd); | |
306 | SetAOD ((AliAODEvent*) aod); | |
307 | SetMC((AliMCEvent*) mc); | |
308 | } |