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cac2eb58 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
cac2eb58 | 15 | /* $Id$ */ |
16 | ||
17 | /////////////////////////////////////////////////////////////////////////////// | |
18 | // // | |
b002ac70 | 19 | // class for MUON reconstruction // |
cac2eb58 | 20 | // // |
21 | /////////////////////////////////////////////////////////////////////////////// | |
b002ac70 | 22 | #include <TParticle.h> |
30178c30 | 23 | #include <TArrayF.h> |
24 | ||
cac2eb58 | 25 | #include "AliRunLoader.h" |
b002ac70 | 26 | #include "AliHeader.h" |
27 | #include "AliGenEventHeader.h" | |
cac2eb58 | 28 | #include "AliESD.h" |
cf464691 | 29 | #include "AliMUONReconstructor.h" |
30178c30 | 30 | |
cac2eb58 | 31 | #include "AliMUONData.h" |
32 | #include "AliMUONEventReconstructor.h" | |
33 | #include "AliMUONClusterReconstructor.h" | |
cac2eb58 | 34 | #include "AliMUONClusterFinderVS.h" |
35 | #include "AliMUONTrack.h" | |
36 | #include "AliMUONTrackParam.h" | |
37 | #include "AliMUONTriggerTrack.h" | |
38 | #include "AliESDMuonTrack.h" | |
cf464691 | 39 | #include "AliRawReader.h" |
cac2eb58 | 40 | |
41 | ClassImp(AliMUONReconstructor) | |
42 | //_____________________________________________________________________________ | |
43 | AliMUONReconstructor::AliMUONReconstructor() | |
30178c30 | 44 | : AliReconstructor() |
8789635b | 45 | { |
46 | } | |
47 | //_____________________________________________________________________________ | |
48 | AliMUONReconstructor::~AliMUONReconstructor() | |
cac2eb58 | 49 | { |
50 | } | |
51 | //_____________________________________________________________________________ | |
52 | void AliMUONReconstructor::Reconstruct(AliRunLoader* runLoader) const | |
53 | { | |
54 | // AliLoader | |
55 | AliLoader* loader = runLoader->GetLoader("MUONLoader"); | |
56 | Int_t nEvents = runLoader->GetNumberOfEvents(); | |
57 | ||
58 | // used local container for each method | |
59 | // passing fLoader as argument, could be avoided ??? | |
60 | AliMUONEventReconstructor* recoEvent = new AliMUONEventReconstructor(loader); | |
61 | AliMUONData* dataEvent = recoEvent->GetMUONData(); | |
62 | ||
63 | AliMUONClusterReconstructor* recoCluster = new AliMUONClusterReconstructor(loader); | |
64 | AliMUONData* dataCluster = recoCluster->GetMUONData(); | |
7e4a628d | 65 | AliMUONClusterFinderVS *recModel = recoCluster->GetRecoModel(); |
66 | recModel->SetGhostChi2Cut(10); | |
cac2eb58 | 67 | |
68 | loader->LoadDigits("READ"); | |
69 | loader->LoadRecPoints("RECREATE"); | |
70 | loader->LoadTracks("RECREATE"); | |
71 | ||
72 | // Loop over events | |
73 | for(Int_t ievent = 0; ievent < nEvents; ievent++) { | |
74 | printf("Event %d\n",ievent); | |
75 | runLoader->GetEvent(ievent); | |
76 | ||
8210cb40 | 77 | //----------------------- digit2cluster & Trigger2Trigger ------------------- |
cac2eb58 | 78 | if (!loader->TreeR()) loader->MakeRecPointsContainer(); |
79 | ||
80 | // tracking branch | |
81 | dataCluster->MakeBranch("RC"); | |
82 | dataCluster->SetTreeAddress("D,RC"); | |
83 | recoCluster->Digits2Clusters(); | |
84 | dataCluster->Fill("RC"); | |
85 | ||
86 | // trigger branch | |
ce3e25a8 | 87 | dataCluster->MakeBranch("TC"); |
88 | dataCluster->SetTreeAddress("TC"); | |
7e4a628d | 89 | recoCluster->Trigger2Trigger(); |
ce3e25a8 | 90 | dataCluster->Fill("TC"); |
cac2eb58 | 91 | |
92 | loader->WriteRecPoints("OVERWRITE"); | |
93 | ||
94 | //---------------------------- Track & TriggerTrack --------------------- | |
95 | if (!loader->TreeT()) loader->MakeTracksContainer(); | |
96 | ||
97 | // trigger branch | |
98 | dataEvent->MakeBranch("RL"); //trigger track | |
99 | dataEvent->SetTreeAddress("RL"); | |
100 | recoEvent->EventReconstructTrigger(); | |
101 | dataEvent->Fill("RL"); | |
102 | ||
103 | // tracking branch | |
104 | dataEvent->MakeBranch("RT"); //track | |
105 | dataEvent->SetTreeAddress("RT"); | |
106 | recoEvent->EventReconstruct(); | |
107 | dataEvent->Fill("RT"); | |
108 | ||
109 | loader->WriteTracks("OVERWRITE"); | |
110 | ||
111 | //--------------------------- Resetting branches ----------------------- | |
112 | dataCluster->ResetDigits(); | |
113 | dataCluster->ResetRawClusters(); | |
ce3e25a8 | 114 | dataCluster->ResetTrigger(); |
cac2eb58 | 115 | |
116 | dataEvent->ResetRawClusters(); | |
117 | dataEvent->ResetTrigger(); | |
118 | dataEvent->ResetRecTracks(); | |
119 | dataEvent->ResetRecTriggerTracks(); | |
120 | ||
121 | } | |
122 | loader->UnloadDigits(); | |
123 | loader->UnloadRecPoints(); | |
124 | loader->UnloadTracks(); | |
125 | ||
126 | delete recoCluster; | |
127 | delete recoEvent; | |
cac2eb58 | 128 | } |
cf464691 | 129 | |
130 | //_____________________________________________________________________________ | |
131 | void AliMUONReconstructor::Reconstruct(AliRunLoader* runLoader, AliRawReader* rawReader) const | |
132 | { | |
133 | // AliLoader | |
134 | AliLoader* loader = runLoader->GetLoader("MUONLoader"); | |
135 | ||
136 | // used local container for each method | |
137 | // passing fLoader as argument, could be avoided ??? | |
138 | AliMUONEventReconstructor* recoEvent = new AliMUONEventReconstructor(loader); | |
139 | AliMUONData* dataEvent = recoEvent->GetMUONData(); | |
140 | ||
141 | AliMUONClusterReconstructor* recoCluster = new AliMUONClusterReconstructor(loader); | |
142 | AliMUONData* dataCluster = recoCluster->GetMUONData(); | |
7e4a628d | 143 | AliMUONClusterFinderVS *recModel = recoCluster->GetRecoModel(); |
144 | recModel->SetGhostChi2Cut(10); | |
cf464691 | 145 | |
cf464691 | 146 | loader->LoadRecPoints("RECREATE"); |
147 | loader->LoadTracks("RECREATE"); | |
148 | ||
149 | // Loop over events | |
8210cb40 | 150 | Int_t iEvent = 0; |
cf464691 | 151 | |
8210cb40 | 152 | while (rawReader->NextEvent()) { |
cf464691 | 153 | printf("Event %d\n",iEvent); |
154 | runLoader->GetEvent(iEvent++); | |
155 | ||
8210cb40 | 156 | //----------------------- digit2cluster & Trigger2Trigger ------------------- |
cf464691 | 157 | if (!loader->TreeR()) loader->MakeRecPointsContainer(); |
158 | ||
159 | // tracking branch | |
160 | dataCluster->MakeBranch("RC"); | |
161 | dataCluster->SetTreeAddress("D,RC"); | |
162 | recoCluster->Digits2Clusters(rawReader); | |
163 | dataCluster->Fill("RC"); | |
164 | ||
165 | // trigger branch | |
166 | dataCluster->MakeBranch("TC"); | |
167 | dataCluster->SetTreeAddress("TC"); | |
7e4a628d | 168 | recoCluster->Trigger2Trigger(rawReader); |
cf464691 | 169 | dataCluster->Fill("TC"); |
170 | ||
171 | loader->WriteRecPoints("OVERWRITE"); | |
172 | ||
173 | //---------------------------- Track & TriggerTrack --------------------- | |
174 | if (!loader->TreeT()) loader->MakeTracksContainer(); | |
175 | ||
176 | // trigger branch | |
177 | dataEvent->MakeBranch("RL"); //trigger track | |
178 | dataEvent->SetTreeAddress("RL"); | |
179 | recoEvent->EventReconstructTrigger(); | |
180 | dataEvent->Fill("RL"); | |
181 | ||
182 | // tracking branch | |
183 | dataEvent->MakeBranch("RT"); //track | |
184 | dataEvent->SetTreeAddress("RT"); | |
185 | recoEvent->EventReconstruct(); | |
186 | dataEvent->Fill("RT"); | |
187 | ||
188 | loader->WriteTracks("OVERWRITE"); | |
189 | ||
190 | //--------------------------- Resetting branches ----------------------- | |
191 | dataCluster->ResetDigits(); | |
192 | dataCluster->ResetRawClusters(); | |
193 | dataCluster->ResetTrigger(); | |
194 | ||
195 | dataEvent->ResetRawClusters(); | |
196 | dataEvent->ResetTrigger(); | |
197 | dataEvent->ResetRecTracks(); | |
198 | dataEvent->ResetRecTriggerTracks(); | |
199 | ||
200 | } | |
cf464691 | 201 | loader->UnloadRecPoints(); |
202 | loader->UnloadTracks(); | |
203 | ||
204 | delete recoCluster; | |
205 | delete recoEvent; | |
cf464691 | 206 | } |
207 | ||
cac2eb58 | 208 | //_____________________________________________________________________________ |
209 | void AliMUONReconstructor::FillESD(AliRunLoader* runLoader, AliESD* esd) const | |
210 | { | |
211 | TClonesArray* recTracksArray = 0; | |
212 | TClonesArray* recTrigTracksArray = 0; | |
213 | ||
214 | AliLoader* loader = runLoader->GetLoader("MUONLoader"); | |
215 | loader->LoadTracks("READ"); | |
cac2eb58 | 216 | AliMUONData* muonData = new AliMUONData(loader,"MUON","MUON"); |
217 | ||
218 | // declaration | |
b002ac70 | 219 | Int_t iEvent, nPart; |
220 | Int_t nTrackHits, nPrimary; | |
cac2eb58 | 221 | Double_t fitFmin; |
b002ac70 | 222 | TArrayF vertex(3); |
cac2eb58 | 223 | |
224 | Double_t bendingSlope, nonBendingSlope, inverseBendingMomentum; | |
225 | Double_t xRec, yRec, zRec, chi2MatchTrigger; | |
226 | Bool_t matchTrigger; | |
227 | ||
b002ac70 | 228 | // setting pointer for tracks, triggertracks & trackparam at vertex |
cac2eb58 | 229 | AliMUONTrack* recTrack = 0; |
230 | AliMUONTrackParam* trackParam = 0; | |
231 | AliMUONTriggerTrack* recTriggerTrack = 0; | |
b002ac70 | 232 | TParticle* particle = new TParticle(); |
233 | AliGenEventHeader* header = 0; | |
cac2eb58 | 234 | iEvent = runLoader->GetEventNumber(); |
235 | runLoader->GetEvent(iEvent); | |
236 | ||
b002ac70 | 237 | // vertex calculation (maybe it exists already somewhere else) |
238 | vertex[0] = vertex[1] = vertex[2] = 0.; | |
239 | nPrimary = 0; | |
240 | if ( (header = runLoader->GetHeader()->GenEventHeader()) ) { | |
241 | header->PrimaryVertex(vertex); | |
242 | } else { | |
243 | runLoader->LoadKinematics("READ"); | |
244 | runLoader->TreeK()->GetBranch("Particles")->SetAddress(&particle); | |
245 | nPart = (Int_t)runLoader->TreeK()->GetEntries(); | |
246 | for(Int_t iPart = 0; iPart < nPart; iPart++) { | |
247 | runLoader->TreeK()->GetEvent(iPart); | |
248 | if (particle->GetFirstMother() == -1) { | |
249 | vertex[0] += particle->Vx(); | |
250 | vertex[1] += particle->Vy(); | |
251 | vertex[2] += particle->Vz(); | |
252 | nPrimary++; | |
253 | } | |
254 | if (nPrimary) { | |
255 | vertex[0] /= (double)nPrimary; | |
256 | vertex[1] /= (double)nPrimary; | |
257 | vertex[2] /= (double)nPrimary; | |
258 | } | |
259 | } | |
260 | } | |
cac2eb58 | 261 | // setting ESD MUON class |
30178c30 | 262 | AliESDMuonTrack* theESDTrack = new AliESDMuonTrack() ; |
cac2eb58 | 263 | |
264 | //-------------------- trigger tracks------------- | |
265 | Long_t trigPat = 0; | |
266 | muonData->SetTreeAddress("RL"); | |
267 | muonData->GetRecTriggerTracks(); | |
268 | recTrigTracksArray = muonData->RecTriggerTracks(); | |
269 | ||
270 | // ready global trigger pattern from first track | |
271 | if (recTrigTracksArray) | |
272 | recTriggerTrack = (AliMUONTriggerTrack*) recTrigTracksArray->First(); | |
273 | if (recTriggerTrack) trigPat = recTriggerTrack->GetGTPattern(); | |
274 | ||
275 | //printf(">>> Event %d Number of Recconstructed tracks %d \n",iEvent, nrectracks); | |
276 | ||
277 | // -------------------- tracks------------- | |
278 | muonData->SetTreeAddress("RT"); | |
279 | muonData->GetRecTracks(); | |
280 | recTracksArray = muonData->RecTracks(); | |
281 | ||
282 | Int_t nRecTracks = 0; | |
283 | if (recTracksArray) | |
284 | nRecTracks = (Int_t) recTracksArray->GetEntriesFast(); // | |
285 | ||
286 | // loop over tracks | |
287 | for (Int_t iRecTracks = 0; iRecTracks < nRecTracks; iRecTracks++) { | |
288 | ||
289 | // reading info from tracks | |
290 | recTrack = (AliMUONTrack*) recTracksArray->At(iRecTracks); | |
291 | ||
889a0215 | 292 | trackParam = (AliMUONTrackParam*) (recTrack->GetTrackParamAtHit())->First(); |
293 | trackParam->ExtrapToVertex(vertex[0],vertex[1],vertex[2]); | |
cac2eb58 | 294 | |
295 | bendingSlope = trackParam->GetBendingSlope(); | |
296 | nonBendingSlope = trackParam->GetNonBendingSlope(); | |
297 | inverseBendingMomentum = trackParam->GetInverseBendingMomentum(); | |
298 | xRec = trackParam->GetNonBendingCoor(); | |
299 | yRec = trackParam->GetBendingCoor(); | |
300 | zRec = trackParam->GetZ(); | |
301 | ||
302 | nTrackHits = recTrack->GetNTrackHits(); | |
303 | fitFmin = recTrack->GetFitFMin(); | |
304 | matchTrigger = recTrack->GetMatchTrigger(); | |
305 | chi2MatchTrigger = recTrack->GetChi2MatchTrigger(); | |
306 | ||
307 | // setting data member of ESD MUON | |
30178c30 | 308 | theESDTrack->SetInverseBendingMomentum(inverseBendingMomentum); |
309 | theESDTrack->SetThetaX(TMath::ATan(nonBendingSlope)); | |
310 | theESDTrack->SetThetaY(TMath::ATan(bendingSlope)); | |
889a0215 | 311 | theESDTrack->SetZ(zRec); |
312 | theESDTrack->SetBendingCoor(yRec); // calculate vertex at ESD or Tracking level ? | |
313 | theESDTrack->SetNonBendingCoor(xRec); | |
30178c30 | 314 | theESDTrack->SetChi2(fitFmin); |
315 | theESDTrack->SetNHit(nTrackHits); | |
316 | theESDTrack->SetMatchTrigger(matchTrigger); | |
317 | theESDTrack->SetChi2MatchTrigger(chi2MatchTrigger); | |
cac2eb58 | 318 | |
319 | // storing ESD MUON Track into ESD Event | |
320 | if (nRecTracks != 0) | |
30178c30 | 321 | esd->AddMuonTrack(theESDTrack); |
cac2eb58 | 322 | } // end loop tracks |
323 | ||
324 | // add global trigger pattern | |
325 | if (nRecTracks != 0) | |
326 | esd->SetTrigger(trigPat); | |
327 | ||
328 | // reset muondata | |
329 | muonData->ResetRecTracks(); | |
330 | muonData->ResetRecTriggerTracks(); | |
331 | ||
332 | //} // end loop on event | |
333 | loader->UnloadTracks(); | |
b002ac70 | 334 | if (!header) |
335 | runLoader->UnloadKinematics(); | |
30178c30 | 336 | delete theESDTrack; |
cac2eb58 | 337 | delete muonData; |
b002ac70 | 338 | // delete particle; |
cac2eb58 | 339 | } |