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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" |
d5315275 | 57 | #include "AliMUONTriggerUtilities.h" |
e64fdf8a | 58 | #include <Riostream.h> |
89b4e052 | 59 | #include <TRandom.h> |
9bf6860b | 60 | #include <TTree.h> |
196471e9 | 61 | |
ee8a8d65 | 62 | /// \cond CLASSIMP |
63 | ClassImp(AliMUONTracker) | |
64 | /// \endcond | |
65 | ||
66 | ||
196471e9 | 67 | //_____________________________________________________________________________ |
a0dc65b4 | 68 | AliMUONTracker::AliMUONTracker(const AliMUONRecoParam* recoParam, |
69 | AliMUONVClusterServer* clusterServer, | |
2e2d0c44 | 70 | AliMUONVDigitStore& digitStore, |
e64fdf8a | 71 | const AliMUONGeometryTransformer* transformer, |
d5315275 | 72 | const AliMUONTriggerCircuit* triggerCircuit, |
73 | const AliMUONTriggerUtilities* triggerUtilities) | |
e64fdf8a | 74 | : AliTracker(), |
72dae9ff | 75 | fkTransformer(transformer), // not owner |
76 | fkTriggerCircuit(triggerCircuit), // not owner | |
a0dc65b4 | 77 | fTrackHitPatternMaker(0x0), |
78 | fTrackReco(0x0), | |
79 | fClusterStore(0x0), | |
80 | fTriggerStore(0x0), | |
81 | fClusterServer(clusterServer), | |
82 | fIsOwnerOfClusterServer(kFALSE), | |
72dae9ff | 83 | fkDigitStore(digitStore), // not owner |
a0dc65b4 | 84 | fInputClusterStore(0x0), |
85 | fTriggerTrackStore(0x0), | |
72dae9ff | 86 | fkRecoParam(recoParam) |
196471e9 | 87 | { |
88 | /// constructor | |
64f628e9 | 89 | if (fkTransformer) |
d5315275 | 90 | fTrackHitPatternMaker = new AliMUONTrackHitPattern(recoParam,*fkTransformer,fkDigitStore,triggerUtilities); |
89b4e052 | 91 | |
9bf6860b | 92 | if (!fClusterServer) |
93 | { | |
da448a15 | 94 | AliDebug(1,"No cluster server given. Will use AliMUONLegacyClusterServer"); |
9bf6860b | 95 | fIsOwnerOfClusterServer = kTRUE; |
96 | } | |
97 | else | |
98 | { | |
72dae9ff | 99 | TIter next(fkDigitStore.CreateIterator()); |
2e2d0c44 | 100 | fClusterServer->UseDigits(next,&digitStore); |
9bf6860b | 101 | |
102 | SetupClusterServer(*fClusterServer); | |
103 | } | |
196471e9 | 104 | } |
e64fdf8a | 105 | |
196471e9 | 106 | //_____________________________________________________________________________ |
107 | AliMUONTracker::~AliMUONTracker() | |
108 | { | |
e64fdf8a | 109 | /// dtor |
196471e9 | 110 | delete fTrackReco; |
e64fdf8a | 111 | delete fTrackHitPatternMaker; |
112 | delete fClusterStore; | |
113 | delete fTriggerStore; | |
9bf6860b | 114 | if ( fIsOwnerOfClusterServer ) delete fClusterServer; |
115 | delete fInputClusterStore; | |
116 | delete fTriggerTrackStore; | |
196471e9 | 117 | } |
118 | ||
1fef78c8 | 119 | //_____________________________________________________________________________ |
120 | AliMUONVClusterStore* | |
121 | AliMUONTracker::ClusterStore() const | |
122 | { | |
123 | /// Return (and create if necessary) the cluster container | |
124 | if (!fClusterStore) | |
125 | { | |
126 | fClusterStore = new AliMUONClusterStoreV2; | |
127 | } | |
128 | return fClusterStore; | |
129 | } | |
130 | ||
9bf6860b | 131 | //_____________________________________________________________________________ |
132 | AliMUONVTriggerTrackStore* | |
133 | AliMUONTracker::TriggerTrackStore() const | |
134 | { | |
135 | /// Return (and create if necessary) the trigger track container | |
136 | if (!fTriggerTrackStore) | |
137 | { | |
138 | fTriggerTrackStore = new AliMUONTriggerTrackStoreV1; | |
139 | } | |
140 | return fTriggerTrackStore; | |
141 | } | |
142 | ||
196471e9 | 143 | //_____________________________________________________________________________ |
3304fa09 | 144 | Int_t AliMUONTracker::LoadClusters(TTree* clustersTree) |
196471e9 | 145 | { |
1fef78c8 | 146 | /// Load triggerStore from clustersTree |
147 | ||
e64fdf8a | 148 | delete fTriggerStore; |
9bf6860b | 149 | delete fInputClusterStore; |
150 | fInputClusterStore=0x0; | |
196471e9 | 151 | |
6cfc11c3 | 152 | if ( ! clustersTree ) { |
153 | AliFatal("No clustersTree"); | |
154 | return 1; | |
155 | } | |
156 | ||
e64fdf8a | 157 | fTriggerStore = AliMUONVTriggerStore::Create(*clustersTree); |
158 | ||
e64fdf8a | 159 | if (!fTriggerStore) |
160 | { | |
161 | AliError("Could not get triggerStore"); | |
162 | return 2; | |
163 | } | |
164 | ||
9bf6860b | 165 | if ( fIsOwnerOfClusterServer ) |
166 | { | |
167 | fInputClusterStore = AliMUONVClusterStore::Create(*clustersTree); | |
168 | if ( fInputClusterStore ) | |
169 | { | |
da448a15 | 170 | AliDebug(1,Form("Created %s from cluster tree",fInputClusterStore->ClassName())); |
9bf6860b | 171 | fInputClusterStore->Clear(); |
172 | fInputClusterStore->Connect(*clustersTree,kFALSE); | |
173 | } | |
174 | delete fClusterServer; | |
72dae9ff | 175 | fClusterServer = new AliMUONLegacyClusterServer(*fkTransformer,fInputClusterStore, |
a0dc65b4 | 176 | GetRecoParam()->BypassSt4(), |
177 | GetRecoParam()->BypassSt5()); | |
9bf6860b | 178 | SetupClusterServer(*fClusterServer); |
179 | } | |
180 | ||
e64fdf8a | 181 | fTriggerStore->Connect(*clustersTree,kFALSE); |
182 | ||
183 | clustersTree->GetEvent(0); | |
196471e9 | 184 | |
e64fdf8a | 185 | return 0; |
186 | } | |
196471e9 | 187 | |
e64fdf8a | 188 | //_____________________________________________________________________________ |
3304fa09 | 189 | Int_t AliMUONTracker::Clusters2Tracks(AliESDEvent* esd) |
e64fdf8a | 190 | { |
3304fa09 | 191 | /// Performs the tracking and store the resulting tracks in the ESD |
192 | AliDebug(1,""); | |
99c136e1 | 193 | AliCodeTimerAuto("",0) |
e64fdf8a | 194 | |
9bf6860b | 195 | if (!fTrackReco) |
196 | { | |
a0dc65b4 | 197 | fTrackReco = CreateTrackReconstructor(GetRecoParam(),fClusterServer); |
9bf6860b | 198 | } |
3304fa09 | 199 | |
200 | // if the required tracking mode does not exist | |
201 | if (!fTrackReco) return 1; | |
202 | ||
1fef78c8 | 203 | if ( ! ClusterStore() ) |
204 | { | |
e64fdf8a | 205 | AliError("ClusterStore is NULL"); |
6cfc11c3 | 206 | return 2; |
e64fdf8a | 207 | } |
6cfc11c3 | 208 | |
3304fa09 | 209 | if (!fTriggerStore) { |
e64fdf8a | 210 | AliError("TriggerStore is NULL"); |
6cfc11c3 | 211 | return 3; |
e64fdf8a | 212 | } |
1fef78c8 | 213 | |
9bf6860b | 214 | // Make trigger tracks |
72dae9ff | 215 | if ( fkTriggerCircuit ) |
9bf6860b | 216 | { |
217 | TriggerTrackStore()->Clear(); | |
72dae9ff | 218 | fTrackReco->EventReconstructTrigger(*fkTriggerCircuit,*fTriggerStore,*(TriggerTrackStore())); |
9bf6860b | 219 | } |
220 | ||
89c8d66d | 221 | if ( TriggerTrackStore()->GetSize() > GetRecoParam()->GetMaxTriggerTracks() ) |
d7820279 | 222 | { |
89c8d66d | 223 | // cut to reject shower events |
d7820279 | 224 | |
dd0be8a7 | 225 | AliCodeTimerAuto("MUON Shower events",1); |
d7820279 | 226 | |
227 | AliWarning(Form("Probably got a shower event (%d trigger tracks). Will not reconstruct tracks.", | |
228 | TriggerTrackStore()->GetSize())); | |
229 | ||
230 | return 0; | |
231 | } | |
232 | ||
e64fdf8a | 233 | // Make tracker tracks |
3304fa09 | 234 | AliMUONVTrackStore* trackStore = new AliMUONTrackStoreV1; |
1fef78c8 | 235 | fTrackReco->EventReconstruct(*(ClusterStore()),*trackStore); |
e64fdf8a | 236 | |
3304fa09 | 237 | // Match tracker/trigger tracks |
9bf6860b | 238 | if ( fTrackHitPatternMaker ) |
239 | { | |
240 | fTrackReco->ValidateTracksWithTrigger(*trackStore,*(TriggerTrackStore()),*fTriggerStore,*fTrackHitPatternMaker); | |
e64fdf8a | 241 | } |
242 | ||
3304fa09 | 243 | // Fill ESD |
e64fdf8a | 244 | FillESD(*trackStore,esd); |
245 | ||
246 | // cleanup | |
247 | delete trackStore; | |
e64fdf8a | 248 | |
249 | return 0; | |
250 | } | |
196471e9 | 251 | |
e64fdf8a | 252 | //_____________________________________________________________________________ |
72dae9ff | 253 | void AliMUONTracker::FillESD(const AliMUONVTrackStore& trackStore, AliESDEvent* esd) const |
e64fdf8a | 254 | { |
255 | /// Fill the ESD from the trackStore | |
e64fdf8a | 256 | AliDebug(1,""); |
99c136e1 | 257 | AliCodeTimerAuto("",0) |
e64fdf8a | 258 | |
103e6575 | 259 | // get ITS vertex |
b1fea02e | 260 | Double_t vertex[3] = {0., 0., 0.}; |
e64fdf8a | 261 | const AliESDVertex* esdVert = esd->GetVertex(); |
5ff135e6 | 262 | if (esdVert->GetNContributors() > 0 || !strcmp(esdVert->GetTitle(),"vertexer: smearMC")) { |
e64fdf8a | 263 | esdVert->GetXYZ(vertex); |
264 | AliDebug(1,Form("found vertex (%e,%e,%e)",vertex[0],vertex[1],vertex[2])); | |
265 | } | |
266 | ||
103e6575 | 267 | // fill ESD event including all info in ESD cluster if required and only for the given fraction of events |
b1fea02e | 268 | AliMUONTrack* track; |
269 | AliMUONLocalTrigger* locTrg; | |
270 | AliESDMuonTrack esdTrack; | |
271 | TIter next(trackStore.CreateIterator()); | |
a0dc65b4 | 272 | if (GetRecoParam()->SaveFullClusterInESD() && |
273 | gRandom->Uniform(100.) <= GetRecoParam()->GetPercentOfFullClusterInESD()) { | |
e64fdf8a | 274 | |
103e6575 | 275 | while ( ( track = static_cast<AliMUONTrack*>(next()) ) ) { |
b1fea02e | 276 | |
277 | if (track->GetMatchTrigger() > 0) { | |
278 | locTrg = static_cast<AliMUONLocalTrigger*>(fTriggerStore->FindLocal(track->LoCircuit())); | |
72dae9ff | 279 | AliMUONESDInterface::MUONToESD(*track, esdTrack, vertex, &fkDigitStore, locTrg); |
280 | } else AliMUONESDInterface::MUONToESD(*track, esdTrack, vertex, &fkDigitStore); | |
b1fea02e | 281 | |
103e6575 | 282 | esd->AddMuonTrack(&esdTrack); |
283 | } | |
89b4e052 | 284 | |
103e6575 | 285 | } else { |
89b4e052 | 286 | |
103e6575 | 287 | while ( ( track = static_cast<AliMUONTrack*>(next()) ) ) { |
b1fea02e | 288 | |
289 | if (track->GetMatchTrigger() > 0) { | |
290 | locTrg = static_cast<AliMUONLocalTrigger*>(fTriggerStore->FindLocal(track->LoCircuit())); | |
291 | AliMUONESDInterface::MUONToESD(*track, esdTrack, vertex, 0x0, locTrg); | |
292 | } else AliMUONESDInterface::MUONToESD(*track, esdTrack, vertex); | |
293 | ||
103e6575 | 294 | esd->AddMuonTrack(&esdTrack); |
60765b06 | 295 | } |
e64fdf8a | 296 | |
103e6575 | 297 | } |
b1fea02e | 298 | |
299 | // fill the local trigger decisions not matched with tracks (associate them to "ghost" tracks) | |
300 | UInt_t ghostId = 0xFFFFFFFF - 1; | |
94e2086e | 301 | Bool_t matched = kFALSE; |
94e2086e | 302 | AliMUONTriggerTrack *triggerTrack; |
94e2086e | 303 | TIter itTriggerTrack(fTriggerTrackStore->CreateIterator()); |
b1fea02e | 304 | while ( ( triggerTrack = static_cast<AliMUONTriggerTrack*>(itTriggerTrack()) ) ) { |
305 | ||
306 | locTrg = static_cast<AliMUONLocalTrigger*>(fTriggerStore->FindLocal(triggerTrack->GetLoTrgNum())); | |
307 | ||
308 | // check if this local trigger has already been matched | |
309 | TIter itTrack(trackStore.CreateIterator()); | |
310 | while ( ( track = static_cast<AliMUONTrack*>(itTrack()) ) ) { | |
311 | matched = (track->LoCircuit() == locTrg->LoCircuit()); | |
312 | if (matched) break; | |
94e2086e | 313 | } |
b1fea02e | 314 | if (matched) continue; |
54355f2c | 315 | |
67c201be | 316 | AliMUONESDInterface::MUONToESD(*locTrg, esdTrack, ghostId, triggerTrack); |
b1fea02e | 317 | |
318 | esd->AddMuonTrack(&esdTrack); | |
319 | ghostId -= 1; | |
320 | } | |
103e6575 | 321 | |
196471e9 | 322 | } |
323 | ||
324 | //_____________________________________________________________________________ | |
a0dc65b4 | 325 | AliMUONVTrackReconstructor* AliMUONTracker::CreateTrackReconstructor(const AliMUONRecoParam* recoParam, AliMUONVClusterServer* clusterServer) |
196471e9 | 326 | { |
3304fa09 | 327 | /// Create track reconstructor, depending on tracking mode set in RecoParam |
328 | ||
9bf6860b | 329 | AliMUONVTrackReconstructor* trackReco(0x0); |
330 | ||
a0dc65b4 | 331 | TString opt(recoParam->GetTrackingMode()); |
3304fa09 | 332 | opt.ToUpper(); |
e64fdf8a | 333 | |
3304fa09 | 334 | if (strstr(opt,"ORIGINAL")) |
e64fdf8a | 335 | { |
a0dc65b4 | 336 | trackReco = new AliMUONTrackReconstructor(recoParam,clusterServer); |
e64fdf8a | 337 | } |
3304fa09 | 338 | else if (strstr(opt,"KALMAN")) |
e64fdf8a | 339 | { |
a0dc65b4 | 340 | trackReco = new AliMUONTrackReconstructorK(recoParam,clusterServer); |
e64fdf8a | 341 | } |
3304fa09 | 342 | else |
343 | { | |
9bf6860b | 344 | AliErrorClass(Form("tracking mode \"%s\" does not exist",opt.Data())); |
345 | return 0x0; | |
3304fa09 | 346 | } |
347 | ||
da448a15 | 348 | AliDebugClass(1,Form("Will use %s for tracking",trackReco->ClassName())); |
9bf6860b | 349 | |
350 | return trackReco; | |
e64fdf8a | 351 | } |
196471e9 | 352 | |
e64fdf8a | 353 | //_____________________________________________________________________________ |
3304fa09 | 354 | void AliMUONTracker::UnloadClusters() |
e64fdf8a | 355 | { |
1fef78c8 | 356 | /// Clear internal clusterStore |
357 | ||
9bf6860b | 358 | delete fInputClusterStore; |
359 | fInputClusterStore = 0x0; | |
196471e9 | 360 | } |
9bf6860b | 361 | |
362 | ||
363 | //_____________________________________________________________________________ | |
364 | void | |
365 | AliMUONTracker::SetupClusterServer(AliMUONVClusterServer& clusterServer) | |
366 | { | |
367 | /// Setup the cluster server | |
368 | ||
a0dc65b4 | 369 | if ( GetRecoParam()->BypassSt4() || |
370 | GetRecoParam()->BypassSt5() ) | |
9bf6860b | 371 | { |
372 | Bool_t ok = clusterServer.UseTriggerTrackStore(TriggerTrackStore()); | |
373 | ||
de487b6e | 374 | TString msg1; |
375 | TString msg2; | |
376 | ||
a0dc65b4 | 377 | if ( GetRecoParam()->BypassSt45() ) |
de487b6e | 378 | { |
379 | msg1 = "STATIONS 4 AND 5"; | |
380 | msg2 = "THOSE TWO STATIONS"; | |
381 | } | |
a0dc65b4 | 382 | else if ( GetRecoParam()->BypassSt4() ) |
de487b6e | 383 | { |
384 | msg1 = "STATION 4"; | |
385 | msg2 = "THAT STATION"; | |
386 | } | |
a0dc65b4 | 387 | else if ( GetRecoParam()->BypassSt5() ) |
de487b6e | 388 | { |
389 | msg1 = "STATION 5"; | |
390 | msg2 = "THAT STATION"; | |
391 | } | |
392 | ||
9bf6860b | 393 | if ( ok ) |
9bf6860b | 394 | { |
de487b6e | 395 | AliWarning(Form("WILL USE TRIGGER TRACKS TO GENERATE CLUSTERS IN %s, " |
396 | "THUS BYPASSING REAL CLUSTERS IN %s!!!",msg1.Data(),msg2.Data())); | |
9bf6860b | 397 | } |
398 | else | |
399 | { | |
de487b6e | 400 | AliWarning("BYPASSING OF ST4 AND/OR 5 REQUESTED, BUT CLUSTERSERVER DOES NOT SEEM TO SUPPORT IT !!!"); |
9bf6860b | 401 | } |
402 | } | |
403 | } | |
404 | ||
405 |