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196471e9 | 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 | **************************************************************************/ | |
15 | ||
ea94c18b | 16 | /* $Id$ */ |
17 | ||
ee8a8d65 | 18 | //----------------------------------------------------------------------------- |
27bf410b | 19 | /// \class AliMUONTracker |
e64fdf8a | 20 | /// |
21 | /// Steering class for use in global tracking framework; | |
27bf410b | 22 | /// reconstruct tracks from recpoints |
23 | /// | |
e64fdf8a | 24 | /// Actual tracking is performed by some AliMUONVTrackReconstructor children |
ad3c6eda | 25 | /// Tracking modes (ORIGINAL, KALMAN) and associated options and parameters can be changed |
26 | /// through the AliMUONRecoParam object set in the reconstruction macro or read from the CDB | |
27 | /// (see methods in AliMUONRecoParam.h file for details) | |
e64fdf8a | 28 | /// |
29 | /// \author Christian Finck and Laurent Aphecetche, SUBATECH Nantes | |
ee8a8d65 | 30 | //----------------------------------------------------------------------------- |
196471e9 | 31 | |
32 | #include "AliMUONTracker.h" | |
e64fdf8a | 33 | |
9bf6860b | 34 | #include "AliCodeTimer.h" |
35 | #include "AliESDEvent.h" | |
36 | #include "AliESDMuonTrack.h" | |
37 | #include "AliESDVertex.h" | |
38 | #include "AliLog.h" | |
39 | #include "AliMUONClusterStoreV2.h" | |
40 | #include "AliMUONESDInterface.h" | |
41 | #include "AliMUONLegacyClusterServer.h" | |
3304fa09 | 42 | #include "AliMUONRecoParam.h" |
9bf6860b | 43 | #include "AliMUONReconstructor.h" |
e64fdf8a | 44 | #include "AliMUONTrack.h" |
45 | #include "AliMUONTrackExtrap.h" | |
46 | #include "AliMUONTrackHitPattern.h" | |
47 | #include "AliMUONTrackParam.h" | |
196471e9 | 48 | #include "AliMUONTrackReconstructor.h" |
e64fdf8a | 49 | #include "AliMUONTrackReconstructorK.h" |
50 | #include "AliMUONTrackStoreV1.h" | |
51 | #include "AliMUONTriggerTrackStoreV1.h" | |
94e2086e | 52 | #include "AliMUONTriggerTrack.h" |
53 | #include "AliMUONLocalTrigger.h" | |
9bf6860b | 54 | #include "AliMUONVClusterServer.h" |
55 | #include "AliMUONVDigitStore.h" | |
e64fdf8a | 56 | #include "AliMUONVTriggerStore.h" |
57 | #include <Riostream.h> | |
89b4e052 | 58 | #include <TRandom.h> |
9bf6860b | 59 | #include <TTree.h> |
196471e9 | 60 | |
ee8a8d65 | 61 | /// \cond CLASSIMP |
62 | ClassImp(AliMUONTracker) | |
63 | /// \endcond | |
64 | ||
65 | ||
196471e9 | 66 | //_____________________________________________________________________________ |
a0dc65b4 | 67 | AliMUONTracker::AliMUONTracker(const AliMUONRecoParam* recoParam, |
68 | AliMUONVClusterServer* clusterServer, | |
2e2d0c44 | 69 | AliMUONVDigitStore& digitStore, |
e64fdf8a | 70 | const AliMUONGeometryTransformer* transformer, |
683cb6c5 | 71 | const AliMUONTriggerCircuit* triggerCircuit) |
e64fdf8a | 72 | : AliTracker(), |
72dae9ff | 73 | fkTransformer(transformer), // not owner |
74 | fkTriggerCircuit(triggerCircuit), // not owner | |
a0dc65b4 | 75 | fTrackHitPatternMaker(0x0), |
76 | fTrackReco(0x0), | |
77 | fClusterStore(0x0), | |
78 | fTriggerStore(0x0), | |
79 | fClusterServer(clusterServer), | |
80 | fIsOwnerOfClusterServer(kFALSE), | |
72dae9ff | 81 | fkDigitStore(digitStore), // not owner |
a0dc65b4 | 82 | fInputClusterStore(0x0), |
83 | fTriggerTrackStore(0x0), | |
72dae9ff | 84 | fkRecoParam(recoParam) |
196471e9 | 85 | { |
86 | /// constructor | |
64f628e9 | 87 | if (fkTransformer) |
88 | fTrackHitPatternMaker = new AliMUONTrackHitPattern(recoParam,*fkTransformer,fkDigitStore); | |
89b4e052 | 89 | |
9bf6860b | 90 | if (!fClusterServer) |
91 | { | |
da448a15 | 92 | AliDebug(1,"No cluster server given. Will use AliMUONLegacyClusterServer"); |
9bf6860b | 93 | fIsOwnerOfClusterServer = kTRUE; |
94 | } | |
95 | else | |
96 | { | |
72dae9ff | 97 | TIter next(fkDigitStore.CreateIterator()); |
2e2d0c44 | 98 | fClusterServer->UseDigits(next,&digitStore); |
9bf6860b | 99 | |
100 | SetupClusterServer(*fClusterServer); | |
101 | } | |
196471e9 | 102 | } |
e64fdf8a | 103 | |
196471e9 | 104 | //_____________________________________________________________________________ |
105 | AliMUONTracker::~AliMUONTracker() | |
106 | { | |
e64fdf8a | 107 | /// dtor |
196471e9 | 108 | delete fTrackReco; |
e64fdf8a | 109 | delete fTrackHitPatternMaker; |
110 | delete fClusterStore; | |
111 | delete fTriggerStore; | |
9bf6860b | 112 | if ( fIsOwnerOfClusterServer ) delete fClusterServer; |
113 | delete fInputClusterStore; | |
114 | delete fTriggerTrackStore; | |
196471e9 | 115 | } |
116 | ||
1fef78c8 | 117 | //_____________________________________________________________________________ |
118 | AliMUONVClusterStore* | |
119 | AliMUONTracker::ClusterStore() const | |
120 | { | |
121 | /// Return (and create if necessary) the cluster container | |
122 | if (!fClusterStore) | |
123 | { | |
124 | fClusterStore = new AliMUONClusterStoreV2; | |
125 | } | |
126 | return fClusterStore; | |
127 | } | |
128 | ||
9bf6860b | 129 | //_____________________________________________________________________________ |
130 | AliMUONVTriggerTrackStore* | |
131 | AliMUONTracker::TriggerTrackStore() const | |
132 | { | |
133 | /// Return (and create if necessary) the trigger track container | |
134 | if (!fTriggerTrackStore) | |
135 | { | |
136 | fTriggerTrackStore = new AliMUONTriggerTrackStoreV1; | |
137 | } | |
138 | return fTriggerTrackStore; | |
139 | } | |
140 | ||
196471e9 | 141 | //_____________________________________________________________________________ |
3304fa09 | 142 | Int_t AliMUONTracker::LoadClusters(TTree* clustersTree) |
196471e9 | 143 | { |
1fef78c8 | 144 | /// Load triggerStore from clustersTree |
145 | ||
e64fdf8a | 146 | delete fTriggerStore; |
9bf6860b | 147 | delete fInputClusterStore; |
148 | fInputClusterStore=0x0; | |
196471e9 | 149 | |
6cfc11c3 | 150 | if ( ! clustersTree ) { |
151 | AliFatal("No clustersTree"); | |
152 | return 1; | |
153 | } | |
154 | ||
e64fdf8a | 155 | fTriggerStore = AliMUONVTriggerStore::Create(*clustersTree); |
156 | ||
e64fdf8a | 157 | if (!fTriggerStore) |
158 | { | |
159 | AliError("Could not get triggerStore"); | |
160 | return 2; | |
161 | } | |
162 | ||
9bf6860b | 163 | if ( fIsOwnerOfClusterServer ) |
164 | { | |
165 | fInputClusterStore = AliMUONVClusterStore::Create(*clustersTree); | |
166 | if ( fInputClusterStore ) | |
167 | { | |
da448a15 | 168 | AliDebug(1,Form("Created %s from cluster tree",fInputClusterStore->ClassName())); |
9bf6860b | 169 | fInputClusterStore->Clear(); |
170 | fInputClusterStore->Connect(*clustersTree,kFALSE); | |
171 | } | |
172 | delete fClusterServer; | |
72dae9ff | 173 | fClusterServer = new AliMUONLegacyClusterServer(*fkTransformer,fInputClusterStore, |
a0dc65b4 | 174 | GetRecoParam()->BypassSt4(), |
175 | GetRecoParam()->BypassSt5()); | |
9bf6860b | 176 | SetupClusterServer(*fClusterServer); |
177 | } | |
178 | ||
e64fdf8a | 179 | fTriggerStore->Connect(*clustersTree,kFALSE); |
180 | ||
181 | clustersTree->GetEvent(0); | |
196471e9 | 182 | |
e64fdf8a | 183 | return 0; |
184 | } | |
196471e9 | 185 | |
e64fdf8a | 186 | //_____________________________________________________________________________ |
3304fa09 | 187 | Int_t AliMUONTracker::Clusters2Tracks(AliESDEvent* esd) |
e64fdf8a | 188 | { |
3304fa09 | 189 | /// Performs the tracking and store the resulting tracks in the ESD |
190 | AliDebug(1,""); | |
99c136e1 | 191 | AliCodeTimerAuto("",0) |
e64fdf8a | 192 | |
9bf6860b | 193 | if (!fTrackReco) |
194 | { | |
a0dc65b4 | 195 | fTrackReco = CreateTrackReconstructor(GetRecoParam(),fClusterServer); |
9bf6860b | 196 | } |
3304fa09 | 197 | |
198 | // if the required tracking mode does not exist | |
199 | if (!fTrackReco) return 1; | |
200 | ||
1fef78c8 | 201 | if ( ! ClusterStore() ) |
202 | { | |
e64fdf8a | 203 | AliError("ClusterStore is NULL"); |
6cfc11c3 | 204 | return 2; |
e64fdf8a | 205 | } |
6cfc11c3 | 206 | |
3304fa09 | 207 | if (!fTriggerStore) { |
e64fdf8a | 208 | AliError("TriggerStore is NULL"); |
6cfc11c3 | 209 | return 3; |
e64fdf8a | 210 | } |
1fef78c8 | 211 | |
9bf6860b | 212 | // Make trigger tracks |
72dae9ff | 213 | if ( fkTriggerCircuit ) |
9bf6860b | 214 | { |
215 | TriggerTrackStore()->Clear(); | |
72dae9ff | 216 | fTrackReco->EventReconstructTrigger(*fkTriggerCircuit,*fTriggerStore,*(TriggerTrackStore())); |
9bf6860b | 217 | } |
218 | ||
89c8d66d | 219 | if ( TriggerTrackStore()->GetSize() > GetRecoParam()->GetMaxTriggerTracks() ) |
d7820279 | 220 | { |
89c8d66d | 221 | // cut to reject shower events |
d7820279 | 222 | |
dd0be8a7 | 223 | AliCodeTimerAuto("MUON Shower events",1); |
d7820279 | 224 | |
225 | AliWarning(Form("Probably got a shower event (%d trigger tracks). Will not reconstruct tracks.", | |
226 | TriggerTrackStore()->GetSize())); | |
227 | ||
228 | return 0; | |
229 | } | |
230 | ||
e64fdf8a | 231 | // Make tracker tracks |
3304fa09 | 232 | AliMUONVTrackStore* trackStore = new AliMUONTrackStoreV1; |
1fef78c8 | 233 | fTrackReco->EventReconstruct(*(ClusterStore()),*trackStore); |
e64fdf8a | 234 | |
3304fa09 | 235 | // Match tracker/trigger tracks |
9bf6860b | 236 | if ( fTrackHitPatternMaker ) |
237 | { | |
238 | fTrackReco->ValidateTracksWithTrigger(*trackStore,*(TriggerTrackStore()),*fTriggerStore,*fTrackHitPatternMaker); | |
e64fdf8a | 239 | } |
240 | ||
3304fa09 | 241 | // Fill ESD |
e64fdf8a | 242 | FillESD(*trackStore,esd); |
243 | ||
244 | // cleanup | |
245 | delete trackStore; | |
e64fdf8a | 246 | |
247 | return 0; | |
248 | } | |
196471e9 | 249 | |
e64fdf8a | 250 | //_____________________________________________________________________________ |
72dae9ff | 251 | void AliMUONTracker::FillESD(const AliMUONVTrackStore& trackStore, AliESDEvent* esd) const |
e64fdf8a | 252 | { |
253 | /// Fill the ESD from the trackStore | |
e64fdf8a | 254 | AliDebug(1,""); |
99c136e1 | 255 | AliCodeTimerAuto("",0) |
e64fdf8a | 256 | |
103e6575 | 257 | // get ITS vertex |
b1fea02e | 258 | Double_t vertex[3] = {0., 0., 0.}; |
e64fdf8a | 259 | const AliESDVertex* esdVert = esd->GetVertex(); |
103e6575 | 260 | if (esdVert->GetNContributors()) { |
e64fdf8a | 261 | esdVert->GetXYZ(vertex); |
262 | AliDebug(1,Form("found vertex (%e,%e,%e)",vertex[0],vertex[1],vertex[2])); | |
263 | } | |
264 | ||
103e6575 | 265 | // fill ESD event including all info in ESD cluster if required and only for the given fraction of events |
b1fea02e | 266 | AliMUONTrack* track; |
267 | AliMUONLocalTrigger* locTrg; | |
268 | AliESDMuonTrack esdTrack; | |
269 | TIter next(trackStore.CreateIterator()); | |
a0dc65b4 | 270 | if (GetRecoParam()->SaveFullClusterInESD() && |
271 | gRandom->Uniform(100.) <= GetRecoParam()->GetPercentOfFullClusterInESD()) { | |
e64fdf8a | 272 | |
103e6575 | 273 | while ( ( track = static_cast<AliMUONTrack*>(next()) ) ) { |
b1fea02e | 274 | |
275 | if (track->GetMatchTrigger() > 0) { | |
276 | locTrg = static_cast<AliMUONLocalTrigger*>(fTriggerStore->FindLocal(track->LoCircuit())); | |
72dae9ff | 277 | AliMUONESDInterface::MUONToESD(*track, esdTrack, vertex, &fkDigitStore, locTrg); |
278 | } else AliMUONESDInterface::MUONToESD(*track, esdTrack, vertex, &fkDigitStore); | |
b1fea02e | 279 | |
103e6575 | 280 | esd->AddMuonTrack(&esdTrack); |
281 | } | |
89b4e052 | 282 | |
103e6575 | 283 | } else { |
89b4e052 | 284 | |
103e6575 | 285 | while ( ( track = static_cast<AliMUONTrack*>(next()) ) ) { |
b1fea02e | 286 | |
287 | if (track->GetMatchTrigger() > 0) { | |
288 | locTrg = static_cast<AliMUONLocalTrigger*>(fTriggerStore->FindLocal(track->LoCircuit())); | |
289 | AliMUONESDInterface::MUONToESD(*track, esdTrack, vertex, 0x0, locTrg); | |
290 | } else AliMUONESDInterface::MUONToESD(*track, esdTrack, vertex); | |
291 | ||
103e6575 | 292 | esd->AddMuonTrack(&esdTrack); |
60765b06 | 293 | } |
e64fdf8a | 294 | |
103e6575 | 295 | } |
b1fea02e | 296 | |
297 | // fill the local trigger decisions not matched with tracks (associate them to "ghost" tracks) | |
298 | UInt_t ghostId = 0xFFFFFFFF - 1; | |
94e2086e | 299 | Bool_t matched = kFALSE; |
94e2086e | 300 | AliMUONTriggerTrack *triggerTrack; |
94e2086e | 301 | TIter itTriggerTrack(fTriggerTrackStore->CreateIterator()); |
b1fea02e | 302 | while ( ( triggerTrack = static_cast<AliMUONTriggerTrack*>(itTriggerTrack()) ) ) { |
303 | ||
304 | locTrg = static_cast<AliMUONLocalTrigger*>(fTriggerStore->FindLocal(triggerTrack->GetLoTrgNum())); | |
305 | ||
306 | // check if this local trigger has already been matched | |
307 | TIter itTrack(trackStore.CreateIterator()); | |
308 | while ( ( track = static_cast<AliMUONTrack*>(itTrack()) ) ) { | |
309 | matched = (track->LoCircuit() == locTrg->LoCircuit()); | |
310 | if (matched) break; | |
94e2086e | 311 | } |
b1fea02e | 312 | if (matched) continue; |
54355f2c | 313 | |
67c201be | 314 | AliMUONESDInterface::MUONToESD(*locTrg, esdTrack, ghostId, triggerTrack); |
b1fea02e | 315 | |
316 | esd->AddMuonTrack(&esdTrack); | |
317 | ghostId -= 1; | |
318 | } | |
103e6575 | 319 | |
196471e9 | 320 | } |
321 | ||
322 | //_____________________________________________________________________________ | |
a0dc65b4 | 323 | AliMUONVTrackReconstructor* AliMUONTracker::CreateTrackReconstructor(const AliMUONRecoParam* recoParam, AliMUONVClusterServer* clusterServer) |
196471e9 | 324 | { |
3304fa09 | 325 | /// Create track reconstructor, depending on tracking mode set in RecoParam |
326 | ||
9bf6860b | 327 | AliMUONVTrackReconstructor* trackReco(0x0); |
328 | ||
a0dc65b4 | 329 | TString opt(recoParam->GetTrackingMode()); |
3304fa09 | 330 | opt.ToUpper(); |
e64fdf8a | 331 | |
3304fa09 | 332 | if (strstr(opt,"ORIGINAL")) |
e64fdf8a | 333 | { |
a0dc65b4 | 334 | trackReco = new AliMUONTrackReconstructor(recoParam,clusterServer); |
e64fdf8a | 335 | } |
3304fa09 | 336 | else if (strstr(opt,"KALMAN")) |
e64fdf8a | 337 | { |
a0dc65b4 | 338 | trackReco = new AliMUONTrackReconstructorK(recoParam,clusterServer); |
e64fdf8a | 339 | } |
3304fa09 | 340 | else |
341 | { | |
9bf6860b | 342 | AliErrorClass(Form("tracking mode \"%s\" does not exist",opt.Data())); |
343 | return 0x0; | |
3304fa09 | 344 | } |
345 | ||
da448a15 | 346 | AliDebugClass(1,Form("Will use %s for tracking",trackReco->ClassName())); |
9bf6860b | 347 | |
348 | return trackReco; | |
e64fdf8a | 349 | } |
196471e9 | 350 | |
e64fdf8a | 351 | //_____________________________________________________________________________ |
3304fa09 | 352 | void AliMUONTracker::UnloadClusters() |
e64fdf8a | 353 | { |
1fef78c8 | 354 | /// Clear internal clusterStore |
355 | ||
9bf6860b | 356 | delete fInputClusterStore; |
357 | fInputClusterStore = 0x0; | |
196471e9 | 358 | } |
9bf6860b | 359 | |
360 | ||
361 | //_____________________________________________________________________________ | |
362 | void | |
363 | AliMUONTracker::SetupClusterServer(AliMUONVClusterServer& clusterServer) | |
364 | { | |
365 | /// Setup the cluster server | |
366 | ||
a0dc65b4 | 367 | if ( GetRecoParam()->BypassSt4() || |
368 | GetRecoParam()->BypassSt5() ) | |
9bf6860b | 369 | { |
370 | Bool_t ok = clusterServer.UseTriggerTrackStore(TriggerTrackStore()); | |
371 | ||
de487b6e | 372 | TString msg1; |
373 | TString msg2; | |
374 | ||
a0dc65b4 | 375 | if ( GetRecoParam()->BypassSt45() ) |
de487b6e | 376 | { |
377 | msg1 = "STATIONS 4 AND 5"; | |
378 | msg2 = "THOSE TWO STATIONS"; | |
379 | } | |
a0dc65b4 | 380 | else if ( GetRecoParam()->BypassSt4() ) |
de487b6e | 381 | { |
382 | msg1 = "STATION 4"; | |
383 | msg2 = "THAT STATION"; | |
384 | } | |
a0dc65b4 | 385 | else if ( GetRecoParam()->BypassSt5() ) |
de487b6e | 386 | { |
387 | msg1 = "STATION 5"; | |
388 | msg2 = "THAT STATION"; | |
389 | } | |
390 | ||
9bf6860b | 391 | if ( ok ) |
9bf6860b | 392 | { |
de487b6e | 393 | AliWarning(Form("WILL USE TRIGGER TRACKS TO GENERATE CLUSTERS IN %s, " |
394 | "THUS BYPASSING REAL CLUSTERS IN %s!!!",msg1.Data(),msg2.Data())); | |
9bf6860b | 395 | } |
396 | else | |
397 | { | |
de487b6e | 398 | AliWarning("BYPASSING OF ST4 AND/OR 5 REQUESTED, BUT CLUSTERSERVER DOES NOT SEEM TO SUPPORT IT !!!"); |
9bf6860b | 399 | } |
400 | } | |
401 | } | |
402 | ||
403 |