]>
Commit | Line | Data |
---|---|---|
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, |
1fef78c8 | 70 | const AliMUONDigitMaker* digitMaker, |
e64fdf8a | 71 | const AliMUONGeometryTransformer* transformer, |
683cb6c5 | 72 | const AliMUONTriggerCircuit* triggerCircuit) |
e64fdf8a | 73 | : AliTracker(), |
72dae9ff | 74 | fkDigitMaker(digitMaker), // not owner |
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 | |
72dae9ff | 89 | if (fkTransformer && fkDigitMaker) |
90 | fTrackHitPatternMaker = new AliMUONTrackHitPattern(recoParam,*fkTransformer,*fkDigitMaker); | |
89b4e052 | 91 | |
9bf6860b | 92 | if (!fClusterServer) |
93 | { | |
94 | AliInfo("No cluster server given. Will use AliMUONLegacyClusterServer"); | |
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 | { | |
170 | AliInfo(Form("Created %s from cluster tree",fInputClusterStore->ClassName())); | |
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,""); | |
193 | AliCodeTimerAuto("") | |
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 | ||
a0dc65b4 | 221 | if ( ( GetRecoParam()->BypassSt4() || |
222 | GetRecoParam()->BypassSt5() ) && | |
de487b6e | 223 | TriggerTrackStore()->GetSize() > 5 ) |
d7820279 | 224 | { |
225 | // Hard cut to reject shower events | |
226 | ||
227 | AliCodeTimerAuto("MUON Shower events"); | |
228 | ||
229 | AliWarning(Form("Probably got a shower event (%d trigger tracks). Will not reconstruct tracks.", | |
230 | TriggerTrackStore()->GetSize())); | |
231 | ||
232 | return 0; | |
233 | } | |
234 | ||
e64fdf8a | 235 | // Make tracker tracks |
3304fa09 | 236 | AliMUONVTrackStore* trackStore = new AliMUONTrackStoreV1; |
1fef78c8 | 237 | fTrackReco->EventReconstruct(*(ClusterStore()),*trackStore); |
e64fdf8a | 238 | |
3304fa09 | 239 | // Match tracker/trigger tracks |
9bf6860b | 240 | if ( fTrackHitPatternMaker ) |
241 | { | |
242 | fTrackReco->ValidateTracksWithTrigger(*trackStore,*(TriggerTrackStore()),*fTriggerStore,*fTrackHitPatternMaker); | |
e64fdf8a | 243 | } |
244 | ||
3304fa09 | 245 | // Fill ESD |
e64fdf8a | 246 | FillESD(*trackStore,esd); |
247 | ||
248 | // cleanup | |
249 | delete trackStore; | |
e64fdf8a | 250 | |
251 | return 0; | |
252 | } | |
196471e9 | 253 | |
e64fdf8a | 254 | //_____________________________________________________________________________ |
72dae9ff | 255 | void AliMUONTracker::FillESD(const AliMUONVTrackStore& trackStore, AliESDEvent* esd) const |
e64fdf8a | 256 | { |
257 | /// Fill the ESD from the trackStore | |
e64fdf8a | 258 | AliDebug(1,""); |
2060b217 | 259 | AliCodeTimerAuto("") |
e64fdf8a | 260 | |
103e6575 | 261 | // get ITS vertex |
b1fea02e | 262 | Double_t vertex[3] = {0., 0., 0.}; |
e64fdf8a | 263 | const AliESDVertex* esdVert = esd->GetVertex(); |
103e6575 | 264 | if (esdVert->GetNContributors()) { |
e64fdf8a | 265 | esdVert->GetXYZ(vertex); |
266 | AliDebug(1,Form("found vertex (%e,%e,%e)",vertex[0],vertex[1],vertex[2])); | |
267 | } | |
268 | ||
103e6575 | 269 | // fill ESD event including all info in ESD cluster if required and only for the given fraction of events |
b1fea02e | 270 | AliMUONTrack* track; |
271 | AliMUONLocalTrigger* locTrg; | |
272 | AliESDMuonTrack esdTrack; | |
273 | TIter next(trackStore.CreateIterator()); | |
a0dc65b4 | 274 | if (GetRecoParam()->SaveFullClusterInESD() && |
275 | gRandom->Uniform(100.) <= GetRecoParam()->GetPercentOfFullClusterInESD()) { | |
e64fdf8a | 276 | |
103e6575 | 277 | while ( ( track = static_cast<AliMUONTrack*>(next()) ) ) { |
b1fea02e | 278 | |
279 | if (track->GetMatchTrigger() > 0) { | |
280 | locTrg = static_cast<AliMUONLocalTrigger*>(fTriggerStore->FindLocal(track->LoCircuit())); | |
72dae9ff | 281 | AliMUONESDInterface::MUONToESD(*track, esdTrack, vertex, &fkDigitStore, locTrg); |
282 | } else AliMUONESDInterface::MUONToESD(*track, esdTrack, vertex, &fkDigitStore); | |
b1fea02e | 283 | |
103e6575 | 284 | esd->AddMuonTrack(&esdTrack); |
285 | } | |
89b4e052 | 286 | |
103e6575 | 287 | } else { |
89b4e052 | 288 | |
103e6575 | 289 | while ( ( track = static_cast<AliMUONTrack*>(next()) ) ) { |
b1fea02e | 290 | |
291 | if (track->GetMatchTrigger() > 0) { | |
292 | locTrg = static_cast<AliMUONLocalTrigger*>(fTriggerStore->FindLocal(track->LoCircuit())); | |
293 | AliMUONESDInterface::MUONToESD(*track, esdTrack, vertex, 0x0, locTrg); | |
294 | } else AliMUONESDInterface::MUONToESD(*track, esdTrack, vertex); | |
295 | ||
103e6575 | 296 | esd->AddMuonTrack(&esdTrack); |
60765b06 | 297 | } |
e64fdf8a | 298 | |
103e6575 | 299 | } |
b1fea02e | 300 | |
301 | // fill the local trigger decisions not matched with tracks (associate them to "ghost" tracks) | |
302 | UInt_t ghostId = 0xFFFFFFFF - 1; | |
94e2086e | 303 | Bool_t matched = kFALSE; |
94e2086e | 304 | AliMUONTriggerTrack *triggerTrack; |
94e2086e | 305 | TIter itTriggerTrack(fTriggerTrackStore->CreateIterator()); |
b1fea02e | 306 | while ( ( triggerTrack = static_cast<AliMUONTriggerTrack*>(itTriggerTrack()) ) ) { |
307 | ||
308 | locTrg = static_cast<AliMUONLocalTrigger*>(fTriggerStore->FindLocal(triggerTrack->GetLoTrgNum())); | |
309 | ||
310 | // check if this local trigger has already been matched | |
311 | TIter itTrack(trackStore.CreateIterator()); | |
312 | while ( ( track = static_cast<AliMUONTrack*>(itTrack()) ) ) { | |
313 | matched = (track->LoCircuit() == locTrg->LoCircuit()); | |
314 | if (matched) break; | |
94e2086e | 315 | } |
b1fea02e | 316 | if (matched) continue; |
317 | ||
318 | AliMUONESDInterface::MUONToESD(*locTrg, esdTrack, ghostId); | |
319 | ||
320 | esd->AddMuonTrack(&esdTrack); | |
321 | ghostId -= 1; | |
322 | } | |
103e6575 | 323 | |
196471e9 | 324 | } |
325 | ||
326 | //_____________________________________________________________________________ | |
a0dc65b4 | 327 | AliMUONVTrackReconstructor* AliMUONTracker::CreateTrackReconstructor(const AliMUONRecoParam* recoParam, AliMUONVClusterServer* clusterServer) |
196471e9 | 328 | { |
3304fa09 | 329 | /// Create track reconstructor, depending on tracking mode set in RecoParam |
330 | ||
9bf6860b | 331 | AliMUONVTrackReconstructor* trackReco(0x0); |
332 | ||
a0dc65b4 | 333 | TString opt(recoParam->GetTrackingMode()); |
3304fa09 | 334 | opt.ToUpper(); |
e64fdf8a | 335 | |
3304fa09 | 336 | if (strstr(opt,"ORIGINAL")) |
e64fdf8a | 337 | { |
a0dc65b4 | 338 | trackReco = new AliMUONTrackReconstructor(recoParam,clusterServer); |
e64fdf8a | 339 | } |
3304fa09 | 340 | else if (strstr(opt,"KALMAN")) |
e64fdf8a | 341 | { |
a0dc65b4 | 342 | trackReco = new AliMUONTrackReconstructorK(recoParam,clusterServer); |
e64fdf8a | 343 | } |
3304fa09 | 344 | else |
345 | { | |
9bf6860b | 346 | AliErrorClass(Form("tracking mode \"%s\" does not exist",opt.Data())); |
347 | return 0x0; | |
3304fa09 | 348 | } |
349 | ||
9bf6860b | 350 | AliInfoClass(Form("Will use %s for tracking",trackReco->ClassName())); |
351 | ||
352 | return trackReco; | |
e64fdf8a | 353 | } |
196471e9 | 354 | |
e64fdf8a | 355 | //_____________________________________________________________________________ |
3304fa09 | 356 | void AliMUONTracker::UnloadClusters() |
e64fdf8a | 357 | { |
1fef78c8 | 358 | /// Clear internal clusterStore |
359 | ||
9bf6860b | 360 | delete fInputClusterStore; |
361 | fInputClusterStore = 0x0; | |
196471e9 | 362 | } |
9bf6860b | 363 | |
364 | ||
365 | //_____________________________________________________________________________ | |
366 | void | |
367 | AliMUONTracker::SetupClusterServer(AliMUONVClusterServer& clusterServer) | |
368 | { | |
369 | /// Setup the cluster server | |
370 | ||
a0dc65b4 | 371 | if ( GetRecoParam()->BypassSt4() || |
372 | GetRecoParam()->BypassSt5() ) | |
9bf6860b | 373 | { |
374 | Bool_t ok = clusterServer.UseTriggerTrackStore(TriggerTrackStore()); | |
375 | ||
de487b6e | 376 | TString msg1; |
377 | TString msg2; | |
378 | ||
a0dc65b4 | 379 | if ( GetRecoParam()->BypassSt45() ) |
de487b6e | 380 | { |
381 | msg1 = "STATIONS 4 AND 5"; | |
382 | msg2 = "THOSE TWO STATIONS"; | |
383 | } | |
a0dc65b4 | 384 | else if ( GetRecoParam()->BypassSt4() ) |
de487b6e | 385 | { |
386 | msg1 = "STATION 4"; | |
387 | msg2 = "THAT STATION"; | |
388 | } | |
a0dc65b4 | 389 | else if ( GetRecoParam()->BypassSt5() ) |
de487b6e | 390 | { |
391 | msg1 = "STATION 5"; | |
392 | msg2 = "THAT STATION"; | |
393 | } | |
394 | ||
9bf6860b | 395 | if ( ok ) |
9bf6860b | 396 | { |
de487b6e | 397 | AliWarning(Form("WILL USE TRIGGER TRACKS TO GENERATE CLUSTERS IN %s, " |
398 | "THUS BYPASSING REAL CLUSTERS IN %s!!!",msg1.Data(),msg2.Data())); | |
9bf6860b | 399 | } |
400 | else | |
401 | { | |
de487b6e | 402 | AliWarning("BYPASSING OF ST4 AND/OR 5 REQUESTED, BUT CLUSTERSERVER DOES NOT SEEM TO SUPPORT IT !!!"); |
9bf6860b | 403 | } |
404 | } | |
405 | } | |
406 | ||
407 |