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> |
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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; |
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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); |
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182 | |
e64fdf8a |
183 | return 0; |
184 | } |
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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 | |