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b8dc484b | 1 | /************************************************************************** |
48217459 | 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 | **************************************************************************/ | |
b8dc484b | 15 | |
d19b6003 | 16 | /* $Id$ */ |
17 | ||
3d1463c8 | 18 | //----------------------------------------------------------------------------- |
5398f946 | 19 | /// \class AliMUONRecoCheck |
78649106 | 20 | /// Utility class to check reconstruction |
5398f946 | 21 | /// Reconstructed tracks are compared to reference tracks. |
22 | /// The reference tracks are built from AliTrackReference for the | |
23 | /// hit in chamber (0..9) and from kinematics for the vertex parameters. | |
3d1463c8 | 24 | //----------------------------------------------------------------------------- |
b8dc484b | 25 | |
9bdda5f6 | 26 | // 13 Nov 2007: |
27 | // Added a method to create a list of reconstructed AliMUONTrack objects from | |
28 | // ESD data. This is necessary since the track objects that are actually created | |
29 | // during offline reconstruction are no longer stored to disk. | |
30 | // - Artur Szostak <artursz@iafrica.com> | |
103e6575 | 31 | // 25 Jan 2008: |
32 | // Use the new ESDInterface to create MUON objects from ESD data | |
33 | // - Philippe Pillot | |
7c29acf1 | 34 | // |
9bdda5f6 | 35 | |
cc056de1 | 36 | #include "AliMUONRecoCheck.h" |
37 | #include "AliMUONTrack.h" | |
103e6575 | 38 | #include "AliMUONVTrackStore.h" |
39 | #include "AliMUONVCluster.h" | |
40 | #include "AliMUONVClusterStore.h" | |
cc056de1 | 41 | #include "AliMUONConstants.h" |
103e6575 | 42 | #include "AliMUONESDInterface.h" |
933daf4c | 43 | #include "AliMUONTrackParam.h" |
9f164762 | 44 | #include "AliMUONTriggerTrack.h" |
45 | #include "AliMUONVTriggerTrackStore.h" | |
b7474abb | 46 | #include "AliMUONTriggerStoreV1.h" |
47 | #include "AliMUONLocalTrigger.h" | |
96ebe67e | 48 | #include "AliMCEventHandler.h" |
49 | #include "AliMCEvent.h" | |
b8dc484b | 50 | #include "AliStack.h" |
cc056de1 | 51 | #include "AliTrackReference.h" |
9bdda5f6 | 52 | #include "AliLog.h" |
53 | #include "AliESDEvent.h" | |
54 | #include "AliESDMuonTrack.h" | |
b7474abb | 55 | #include "AliMUONDigitStoreV2S.h" |
56 | #include "AliMUONDigit.h" | |
57 | #include "AliMpVSegmentation.h" | |
58 | #include "AliMpSegmentation.h" | |
59 | #include "AliMpPad.h" | |
96ebe67e | 60 | |
9f164762 | 61 | #include "AliGeomManager.h" |
b7474abb | 62 | #include "AliCDBManager.h" |
9f164762 | 63 | #include "AliMpCDB.h" |
64 | #include "AliMpDDLStore.h" | |
65 | #include "AliMUONCDB.h" | |
66 | #include "AliMUONGeometryTransformer.h" | |
67 | #include "AliMUONTriggerCircuit.h" | |
68 | #include "AliMUONVTrackReconstructor.h" | |
69 | #include "AliMUONVTriggerStore.h" | |
b7474abb | 70 | #include "AliMUONCalibrationData.h" |
71 | #include "AliMUONTriggerElectronics.h" | |
72 | ||
9f164762 | 73 | |
74 | #include "TGeoManager.h" | |
75 | ||
61fed964 | 76 | #include <TFile.h> |
77 | #include <TTree.h> | |
cc056de1 | 78 | #include <TParticle.h> |
5b1afea0 | 79 | #include <TParticlePDG.h> |
96ebe67e | 80 | #include <Riostream.h> |
81 | ||
9f164762 | 82 | #include "AliMUONRecoCheck.h" |
83 | ||
5398f946 | 84 | /// \cond CLASSIMP |
b8dc484b | 85 | ClassImp(AliMUONRecoCheck) |
5398f946 | 86 | /// \endcond |
b8dc484b | 87 | |
068e4c36 | 88 | //_____________________________________________________________________________ |
1f2d22de | 89 | AliMUONRecoCheck::AliMUONRecoCheck(const Char_t *esdFileName, const Char_t *pathSim) |
48217459 | 90 | : TObject(), |
96ebe67e | 91 | fMCEventHandler(new AliMCEventHandler()), |
61fed964 | 92 | fESDEvent(new AliESDEvent()), |
93 | fESDTree (0x0), | |
94 | fESDFile (0x0), | |
96ebe67e | 95 | fCurrentEvent(0), |
96 | fTrackRefStore(0x0), | |
97 | fRecoTrackRefStore(0x0), | |
9f164762 | 98 | fRecoTriggerRefStore(0x0), |
7c29acf1 | 99 | fRecoTrackStore(0x0), |
9f164762 | 100 | fRecoTriggerTrackStore(0x0), |
101 | fGeometryTransformer(0x0), | |
102 | fTriggerCircuit(0x0), | |
b7474abb | 103 | fCalibrationData(0x0), |
104 | fTriggerElectronics(0x0), | |
7c29acf1 | 105 | fESDEventOwner(kTRUE) |
068e4c36 | 106 | { |
48217459 | 107 | /// Normal ctor |
61fed964 | 108 | |
109 | // TrackRefs and Particules | |
96ebe67e | 110 | fMCEventHandler->SetInputPath(pathSim); |
111 | fMCEventHandler->InitIO(""); | |
61fed964 | 112 | |
113 | // ESD MUON Tracks | |
114 | fESDFile = TFile::Open(esdFileName); // open the file | |
115 | if (!fESDFile || !fESDFile->IsOpen()) { | |
116 | AliError(Form("opening ESD file %s failed", esdFileName)); | |
117 | fESDFile = 0x0; | |
118 | return; | |
119 | } | |
120 | fESDTree = (TTree*) fESDFile->Get("esdTree"); // get the tree | |
121 | if (!fESDTree) { | |
122 | AliError("no ESD tree found"); | |
123 | fESDFile->Close(); | |
124 | fESDFile = 0x0; | |
125 | return; | |
126 | } | |
127 | fESDEvent->ReadFromTree(fESDTree); // link fESDEvent to the tree | |
068e4c36 | 128 | } |
129 | ||
7c29acf1 | 130 | //_____________________________________________________________________________ |
131 | AliMUONRecoCheck::AliMUONRecoCheck(AliESDEvent *esdEvent, AliMCEventHandler *mcEventHandler) | |
132 | : TObject(), | |
133 | fMCEventHandler(0), | |
134 | fESDEvent(0), | |
135 | fESDTree (0x0), | |
136 | fESDFile (0x0), | |
137 | fCurrentEvent(0), | |
138 | fTrackRefStore(0x0), | |
139 | fRecoTrackRefStore(0x0), | |
9f164762 | 140 | fRecoTriggerRefStore(0x0), |
7c29acf1 | 141 | fRecoTrackStore(0x0), |
9f164762 | 142 | fRecoTriggerTrackStore(0x0), |
143 | fGeometryTransformer(0x0), | |
144 | fTriggerCircuit(0x0), | |
b7474abb | 145 | fCalibrationData(0x0), |
146 | fTriggerElectronics(0x0), | |
7c29acf1 | 147 | fESDEventOwner(kFALSE) |
148 | { | |
149 | /// Normal ctor | |
150 | ||
151 | // TrackRefs and Particules | |
152 | fMCEventHandler = mcEventHandler; | |
153 | ||
154 | // ESD MUON Tracks | |
155 | fESDEvent = esdEvent; | |
7c29acf1 | 156 | } |
157 | ||
b8dc484b | 158 | //_____________________________________________________________________________ |
48217459 | 159 | AliMUONRecoCheck::~AliMUONRecoCheck() |
b8dc484b | 160 | { |
48217459 | 161 | /// Destructor |
7c29acf1 | 162 | if (fESDEventOwner) { |
163 | delete fMCEventHandler; | |
164 | delete fESDEvent; | |
165 | if (fESDFile) fESDFile->Close(); | |
166 | } | |
96ebe67e | 167 | ResetStores(); |
9f164762 | 168 | delete fGeometryTransformer; |
169 | delete fTriggerCircuit; | |
b7474abb | 170 | delete fTriggerElectronics; |
171 | delete fCalibrationData; | |
96ebe67e | 172 | } |
173 | ||
174 | //_____________________________________________________________________________ | |
175 | void AliMUONRecoCheck::ResetStores() | |
176 | { | |
177 | /// Deletes all the store objects that have been created and resets the pointers to 0x0 | |
178 | delete fTrackRefStore; fTrackRefStore = 0x0; | |
179 | delete fRecoTrackRefStore; fRecoTrackRefStore = 0x0; | |
9f164762 | 180 | delete fRecoTriggerRefStore; fRecoTriggerRefStore = 0x0; |
96ebe67e | 181 | delete fRecoTrackStore; fRecoTrackStore = 0x0; |
9f164762 | 182 | delete fRecoTriggerTrackStore; fRecoTriggerTrackStore = 0x0; |
96ebe67e | 183 | } |
184 | ||
9f164762 | 185 | //_____________________________________________________________________________ |
186 | Bool_t AliMUONRecoCheck::InitCircuit() | |
187 | { | |
188 | ||
189 | if ( fTriggerCircuit ) return kTRUE; | |
b7474abb | 190 | |
191 | if ( ! InitGeometryTransformer() ) return kFALSE; | |
9f164762 | 192 | |
193 | fTriggerCircuit = new AliMUONTriggerCircuit(fGeometryTransformer); | |
194 | ||
195 | // reset tracker for local trigger to trigger track conversion | |
196 | if ( ! AliMUONESDInterface::GetTracker() ) | |
197 | AliMUONESDInterface::ResetTracker(); | |
198 | ||
199 | return kTRUE; | |
200 | } | |
201 | ||
202 | ||
a99c3449 | 203 | //_____________________________________________________________________________ |
204 | Int_t AliMUONRecoCheck::GetRunNumber() | |
205 | { | |
206 | /// Return the run number of the current ESD event | |
207 | ||
9f164762 | 208 | if (fESDEventOwner && fRecoTrackStore == 0x0 && fRecoTriggerTrackStore == 0x0) { |
a99c3449 | 209 | if (!fESDTree || fESDTree->GetEvent(fCurrentEvent) <= 0) { |
210 | AliError(Form("fails to read ESD object for event %d: cannot get the run number",fCurrentEvent)); | |
211 | return -1; | |
212 | } | |
213 | } | |
214 | ||
215 | return fESDEvent->GetRunNumber(); | |
216 | } | |
217 | ||
96ebe67e | 218 | //_____________________________________________________________________________ |
219 | Int_t AliMUONRecoCheck::NumberOfEvents() const | |
220 | { | |
221 | /// Return the number of events | |
7c29acf1 | 222 | if (fESDEventOwner && fESDTree) return fESDTree->GetEntries(); |
96ebe67e | 223 | return 0; |
b8dc484b | 224 | } |
225 | ||
48217459 | 226 | //_____________________________________________________________________________ |
a99c3449 | 227 | AliMUONVTrackStore* AliMUONRecoCheck::ReconstructedTracks(Int_t event, Bool_t refit) |
48217459 | 228 | { |
61fed964 | 229 | /// Return a track store containing the reconstructed tracks (converted into |
a99c3449 | 230 | /// MUONTrack objects) for a given event. |
231 | /// Track parameters at each clusters are computed or not depending on the flag "refit". | |
232 | /// If not, only the track parameters at first cluster are valid. | |
7c29acf1 | 233 | |
234 | if (!fESDEventOwner) { | |
a99c3449 | 235 | if (fRecoTrackStore == 0x0) MakeReconstructedTracks(refit); |
7c29acf1 | 236 | return fRecoTrackStore; |
237 | } | |
238 | ||
96ebe67e | 239 | if (event != fCurrentEvent) { |
240 | ResetStores(); | |
241 | fCurrentEvent = event; | |
242 | } | |
243 | ||
244 | if (fRecoTrackStore != 0x0) return fRecoTrackStore; | |
61fed964 | 245 | else { |
246 | if (!fESDTree) return 0x0; | |
247 | if (fESDTree->GetEvent(event) <= 0) { | |
248 | AliError(Form("fails to read ESD object for event %d", event)); | |
249 | return 0x0; | |
9bdda5f6 | 250 | } |
a99c3449 | 251 | MakeReconstructedTracks(refit); |
61fed964 | 252 | return fRecoTrackStore; |
9bdda5f6 | 253 | } |
9bdda5f6 | 254 | } |
255 | ||
9f164762 | 256 | |
257 | //_____________________________________________________________________________ | |
258 | AliMUONVTriggerTrackStore* AliMUONRecoCheck::TriggeredTracks(Int_t event) | |
259 | { | |
260 | /// Return a track store containing the reconstructed trigger tracks (converted into | |
261 | /// MUONTriggerTrack objects) for a given event. | |
262 | ||
263 | if (!fESDEventOwner) { | |
264 | if (fRecoTriggerTrackStore == 0x0) MakeTriggeredTracks(); | |
265 | return fRecoTriggerTrackStore; | |
266 | } | |
267 | ||
268 | if (event != fCurrentEvent) { | |
269 | ResetStores(); | |
270 | fCurrentEvent = event; | |
271 | } | |
272 | ||
273 | if (fRecoTriggerTrackStore != 0x0) return fRecoTriggerTrackStore; | |
274 | else { | |
275 | if (!fESDTree) return 0x0; | |
276 | if (fESDTree->GetEvent(event) <= 0) { | |
277 | AliError(Form("fails to read ESD object for event %d", event)); | |
278 | return 0x0; | |
279 | } | |
280 | MakeTriggeredTracks(); | |
281 | return fRecoTriggerTrackStore; | |
282 | } | |
283 | } | |
284 | ||
285 | ||
9bdda5f6 | 286 | //_____________________________________________________________________________ |
96ebe67e | 287 | AliMUONVTrackStore* AliMUONRecoCheck::TrackRefs(Int_t event) |
b8dc484b | 288 | { |
48217459 | 289 | /// Return a track store containing the track references (converted into |
290 | /// MUONTrack objects) for a given event | |
7c29acf1 | 291 | |
292 | if (!fESDEventOwner) { | |
a99c3449 | 293 | if (fTrackRefStore == 0x0) MakeTrackRefs(); |
7c29acf1 | 294 | return fTrackRefStore; |
295 | } | |
296 | ||
96ebe67e | 297 | if (event != fCurrentEvent) { |
298 | ResetStores(); | |
299 | fCurrentEvent = event; | |
300 | } | |
301 | ||
302 | if (fTrackRefStore != 0x0) return fTrackRefStore; | |
303 | else { | |
e473e8b0 | 304 | if (!fMCEventHandler->LoadEvent(event)) { |
61fed964 | 305 | AliError(Form("fails to read MC objects for event %d", event)); |
306 | return 0x0; | |
307 | } | |
96ebe67e | 308 | MakeTrackRefs(); |
309 | return fTrackRefStore; | |
310 | } | |
b8dc484b | 311 | } |
312 | ||
9f164762 | 313 | //_____________________________________________________________________________ |
314 | AliMUONVTriggerTrackStore* AliMUONRecoCheck::TriggerableTracks(Int_t event) | |
315 | { | |
316 | /// Return a trigger track store containing the triggerable track references (converted into | |
317 | /// AliMUONTriggerTrack objects) for a given event | |
318 | ||
319 | if (!fESDEventOwner) { | |
320 | if (fRecoTriggerRefStore == 0x0) MakeTriggerableTracks(); | |
321 | return fRecoTriggerRefStore; | |
322 | } | |
323 | ||
324 | if (event != fCurrentEvent) { | |
325 | ResetStores(); | |
326 | fCurrentEvent = event; | |
327 | } | |
328 | ||
329 | if (fRecoTriggerRefStore != 0x0) return fRecoTriggerRefStore; | |
330 | else { | |
e473e8b0 | 331 | if (!fMCEventHandler->LoadEvent(event)) { |
9f164762 | 332 | AliError(Form("fails to read MC objects for event %d", event)); |
333 | return 0x0; | |
334 | } | |
335 | MakeTriggerableTracks(); | |
336 | return fRecoTriggerRefStore; | |
337 | } | |
338 | } | |
339 | ||
340 | ||
b8dc484b | 341 | //_____________________________________________________________________________ |
f202486b | 342 | AliMUONVTrackStore* AliMUONRecoCheck::ReconstructibleTracks(Int_t event, UInt_t requestedStationMask, Bool_t request2ChInSameSt45) |
b8dc484b | 343 | { |
f202486b | 344 | /// Return a track store containing the reconstructible tracks for a given event, |
345 | /// according to the mask of requested stations and the minimum number of chambers hit in stations 4 & 5. | |
7c29acf1 | 346 | |
347 | if (!fESDEventOwner) { | |
a99c3449 | 348 | if (fRecoTrackRefStore == 0x0) { |
349 | if (TrackRefs(event) == 0x0) return 0x0; | |
f202486b | 350 | MakeReconstructibleTracks(requestedStationMask, request2ChInSameSt45); |
a99c3449 | 351 | } |
7c29acf1 | 352 | return fRecoTrackRefStore; |
353 | } | |
354 | ||
96ebe67e | 355 | if (event != fCurrentEvent) { |
356 | ResetStores(); | |
357 | fCurrentEvent = event; | |
358 | } | |
359 | ||
360 | if (fRecoTrackRefStore != 0x0) return fRecoTrackRefStore; | |
361 | else { | |
362 | if (TrackRefs(event) == 0x0) return 0x0; | |
f202486b | 363 | MakeReconstructibleTracks(requestedStationMask, request2ChInSameSt45); |
96ebe67e | 364 | return fRecoTrackRefStore; |
365 | } | |
48217459 | 366 | } |
b8dc484b | 367 | |
9f164762 | 368 | |
61fed964 | 369 | //_____________________________________________________________________________ |
a99c3449 | 370 | void AliMUONRecoCheck::MakeReconstructedTracks(Bool_t refit) |
61fed964 | 371 | { |
372 | /// Make reconstructed tracks | |
103e6575 | 373 | if (!(fRecoTrackStore = AliMUONESDInterface::NewTrackStore())) return; |
61fed964 | 374 | |
b1fea02e | 375 | // loop over all reconstructed tracks and add them to the store (skip ghosts) |
103e6575 | 376 | Int_t nTracks = (Int_t) fESDEvent->GetNumberOfMuonTracks(); |
b1fea02e | 377 | for (Int_t iTrack = 0; iTrack < nTracks; iTrack++) { |
378 | AliESDMuonTrack* esdTrack = fESDEvent->GetMuonTrack(iTrack); | |
a99c3449 | 379 | if (esdTrack->ContainTrackerData()) AliMUONESDInterface::Add(*esdTrack, *fRecoTrackStore, refit); |
b1fea02e | 380 | } |
61fed964 | 381 | |
382 | } | |
383 | ||
9f164762 | 384 | |
385 | //_____________________________________________________________________________ | |
386 | void AliMUONRecoCheck::MakeTriggeredTracks() | |
387 | { | |
388 | /// Make reconstructed trigger tracks | |
389 | if (!(fRecoTriggerTrackStore = AliMUONESDInterface::NewTriggerTrackStore())) return; | |
390 | ||
391 | AliMUONVTriggerStore* tmpTriggerStore = AliMUONESDInterface::NewTriggerStore(); | |
392 | if ( ! tmpTriggerStore ) return; | |
393 | ||
394 | // loop over all reconstructed tracks and add them to the store (include ghosts) | |
395 | Int_t nTracks = (Int_t) fESDEvent->GetNumberOfMuonTracks(); | |
396 | for (Int_t iTrack = 0; iTrack < nTracks; iTrack++) { | |
397 | AliESDMuonTrack* esdTrack = fESDEvent->GetMuonTrack(iTrack); | |
398 | if (esdTrack->ContainTriggerData()) AliMUONESDInterface::Add(*esdTrack, *tmpTriggerStore); | |
399 | } | |
400 | ||
b7474abb | 401 | if ( InitCircuit() ) { |
9f164762 | 402 | |
b7474abb | 403 | AliMUONVTrackReconstructor* tracker = AliMUONESDInterface::GetTracker(); |
404 | tracker->EventReconstructTrigger(*fTriggerCircuit, *tmpTriggerStore, *fRecoTriggerTrackStore); | |
405 | } | |
9f164762 | 406 | |
407 | delete tmpTriggerStore; | |
408 | } | |
409 | ||
410 | //_____________________________________________________________________________ | |
411 | void AliMUONRecoCheck::TriggerToTrack(const AliMUONLocalTrigger& locTrg, AliMUONTriggerTrack& triggerTrack) | |
412 | { | |
413 | /// Make trigger track from local trigger info | |
414 | if ( ! InitCircuit() ) return; | |
415 | AliMUONVTrackReconstructor* tracker = AliMUONESDInterface::GetTracker(); | |
416 | tracker->TriggerToTrack(*fTriggerCircuit, locTrg, triggerTrack); | |
417 | } | |
418 | ||
419 | ||
48217459 | 420 | //_____________________________________________________________________________ |
96ebe67e | 421 | void AliMUONRecoCheck::MakeTrackRefs() |
48217459 | 422 | { |
423 | /// Make reconstructible tracks | |
103e6575 | 424 | AliMUONVTrackStore *tmpTrackRefStore = AliMUONESDInterface::NewTrackStore(); |
425 | if (!tmpTrackRefStore) return; | |
48217459 | 426 | |
96ebe67e | 427 | Double_t x, y, z, pX, pY, pZ, bendingSlope, nonBendingSlope, inverseBendingMomentum; |
428 | TParticle* particle; | |
429 | TClonesArray* trackRefs; | |
430 | Int_t nTrackRef = fMCEventHandler->MCEvent()->GetNumberOfTracks(); | |
103e6575 | 431 | AliMUONVClusterStore* cStore = AliMUONESDInterface::NewClusterStore(); |
432 | if (!cStore) return; | |
433 | AliMUONVCluster* hit = cStore->CreateCluster(0,0,0); | |
b8dc484b | 434 | |
96ebe67e | 435 | // loop over simulated tracks |
436 | for (Int_t iTrackRef = 0; iTrackRef < nTrackRef; ++iTrackRef) { | |
437 | Int_t nHits = fMCEventHandler->GetParticleAndTR(iTrackRef, particle, trackRefs); | |
48217459 | 438 | |
96ebe67e | 439 | // skip empty trackRefs |
440 | if (nHits < 1) continue; | |
441 | ||
61fed964 | 442 | // get the particle charge for further calculation |
443 | TParticlePDG* ppdg = particle->GetPDG(); | |
46df197d | 444 | Int_t charge = ppdg != NULL ? (Int_t)(ppdg->Charge()/3.0) : 0; |
96ebe67e | 445 | |
61fed964 | 446 | AliMUONTrack track; |
48217459 | 447 | |
96ebe67e | 448 | // loop over simulated track hits |
449 | for (Int_t iHit = 0; iHit < nHits; ++iHit) { | |
450 | AliTrackReference* trackReference = static_cast<AliTrackReference*>(trackRefs->UncheckedAt(iHit)); | |
068e4c36 | 451 | |
61fed964 | 452 | // skip trackRefs not in MUON |
453 | if (trackReference->DetectorId() != AliTrackReference::kMUON) continue; | |
454 | ||
96ebe67e | 455 | // Get track parameters of current hit |
456 | x = trackReference->X(); | |
457 | y = trackReference->Y(); | |
458 | z = trackReference->Z(); | |
459 | pX = trackReference->Px(); | |
460 | pY = trackReference->Py(); | |
461 | pZ = trackReference->Pz(); | |
b8dc484b | 462 | |
96ebe67e | 463 | // check chamberId of current trackReference |
c59f70b9 | 464 | Int_t detElemId = trackReference->UserId(); |
465 | Int_t chamberId = detElemId / 100 - 1; | |
96ebe67e | 466 | if (chamberId < 0 || chamberId >= AliMUONConstants::NTrackingCh()) continue; |
48217459 | 467 | |
96ebe67e | 468 | // set hit parameters |
c59f70b9 | 469 | hit->SetUniqueID(AliMUONVCluster::BuildUniqueID(chamberId, detElemId, iHit)); |
103e6575 | 470 | hit->SetXYZ(x,y,z); |
471 | hit->SetErrXY(0.,0.); | |
b8dc484b | 472 | |
96ebe67e | 473 | // compute track parameters at hit |
7cdc832b | 474 | bendingSlope = 0; |
475 | nonBendingSlope = 0; | |
476 | inverseBendingMomentum = 0; | |
96ebe67e | 477 | if (TMath::Abs(pZ) > 0) { |
478 | bendingSlope = pY/pZ; | |
479 | nonBendingSlope = pX/pZ; | |
b8dc484b | 480 | } |
96ebe67e | 481 | Double_t pYZ = TMath::Sqrt(pY*pY+pZ*pZ); |
482 | if (pYZ >0) inverseBendingMomentum = 1/pYZ; | |
483 | inverseBendingMomentum *= charge; | |
484 | ||
485 | // set track parameters at hit | |
486 | AliMUONTrackParam trackParam; | |
487 | trackParam.SetNonBendingCoor(x); | |
488 | trackParam.SetBendingCoor(y); | |
489 | trackParam.SetZ(z); | |
490 | trackParam.SetBendingSlope(bendingSlope); | |
491 | trackParam.SetNonBendingSlope(nonBendingSlope); | |
492 | trackParam.SetInverseBendingMomentum(inverseBendingMomentum); | |
493 | ||
494 | // add track parameters at current hit to the track | |
103e6575 | 495 | track.AddTrackParamAtCluster(trackParam, *hit, kTRUE); |
96ebe67e | 496 | } |
497 | ||
61fed964 | 498 | // if none of the track hits was in MUON, goto the next track |
499 | if (track.GetNClusters() < 1) continue; | |
500 | ||
501 | // get track parameters at particle's vertex | |
502 | x = particle->Vx(); | |
503 | y = particle->Vy(); | |
504 | z = particle->Vz(); | |
505 | pX = particle->Px(); | |
506 | pY = particle->Py(); | |
507 | pZ = particle->Pz(); | |
508 | ||
509 | // compute rest of track parameters at particle's vertex | |
510 | bendingSlope = 0; | |
511 | nonBendingSlope = 0; | |
512 | inverseBendingMomentum = 0; | |
513 | if (TMath::Abs(pZ) > 0) { | |
514 | bendingSlope = pY/pZ; | |
515 | nonBendingSlope = pX/pZ; | |
516 | } | |
517 | Double_t pYZ = TMath::Sqrt(pY*pY+pZ*pZ); | |
518 | if (pYZ >0) inverseBendingMomentum = 1/pYZ; | |
519 | inverseBendingMomentum *= charge; | |
520 | ||
521 | // set track parameters at particle's vertex | |
522 | AliMUONTrackParam trackParamAtVertex; | |
523 | trackParamAtVertex.SetNonBendingCoor(x); | |
524 | trackParamAtVertex.SetBendingCoor(y); | |
525 | trackParamAtVertex.SetZ(z); | |
526 | trackParamAtVertex.SetBendingSlope(bendingSlope); | |
527 | trackParamAtVertex.SetNonBendingSlope(nonBendingSlope); | |
528 | trackParamAtVertex.SetInverseBendingMomentum(inverseBendingMomentum); | |
529 | ||
530 | // add track parameters at vertex | |
531 | track.SetTrackParamAtVertex(&trackParamAtVertex); | |
532 | ||
103e6575 | 533 | // store the track |
2e2d0c44 | 534 | track.SetUniqueID(iTrackRef); |
96ebe67e | 535 | tmpTrackRefStore->Add(track); |
b8dc484b | 536 | } |
b8dc484b | 537 | |
96ebe67e | 538 | CleanMuonTrackRef(tmpTrackRefStore); |
48217459 | 539 | |
103e6575 | 540 | delete hit; |
541 | delete cStore; | |
96ebe67e | 542 | delete tmpTrackRefStore; |
b8dc484b | 543 | } |
544 | ||
9f164762 | 545 | //_____________________________________________________________________________ |
546 | void AliMUONRecoCheck::MakeTriggerableTracks() | |
547 | { | |
548 | /// Make triggerable tracks | |
549 | if (!(fRecoTriggerRefStore = AliMUONESDInterface::NewTriggerTrackStore())) | |
550 | return; | |
551 | ||
b7474abb | 552 | Double_t x, y, z, slopeX, slopeY, pZ, xLoc, yLoc, zLoc; |
9f164762 | 553 | TParticle* particle; |
554 | TClonesArray* trackRefs; | |
555 | Int_t nTrackRef = fMCEventHandler->MCEvent()->GetNumberOfTracks(); | |
556 | ||
557 | // loop over simulated tracks | |
558 | for (Int_t iTrackRef = 0; iTrackRef < nTrackRef; ++iTrackRef) { | |
559 | Int_t nHits = fMCEventHandler->GetParticleAndTR(iTrackRef, particle, trackRefs); | |
560 | ||
561 | // skip empty trackRefs | |
562 | if (nHits < 1) continue; | |
563 | ||
564 | AliMUONTriggerTrack track; | |
b7474abb | 565 | AliMUONDigitStoreV2S digitStore; |
9f164762 | 566 | Int_t hitsOnTrigger = 0; |
567 | Int_t currCh = -1; | |
568 | ||
569 | // loop over simulated track hits | |
570 | for (Int_t iHit = 0; iHit < nHits; ++iHit) { | |
571 | AliTrackReference* trackReference = static_cast<AliTrackReference*>(trackRefs->UncheckedAt(iHit)); | |
572 | ||
573 | // skip trackRefs not in MUON | |
574 | if (trackReference->DetectorId() != AliTrackReference::kMUON) continue; | |
575 | ||
576 | // check chamberId of current trackReference | |
577 | Int_t detElemId = trackReference->UserId(); | |
578 | Int_t chamberId = detElemId / 100 - 1; | |
579 | if (chamberId < AliMUONConstants::NTrackingCh() || chamberId >= AliMUONConstants::NCh() ) continue; | |
b7474abb | 580 | |
581 | // Get track parameters of current hit | |
582 | x = trackReference->X(); | |
583 | y = trackReference->Y(); | |
584 | z = trackReference->Z(); | |
585 | ||
586 | if ( InitTriggerResponse() ) { | |
587 | fGeometryTransformer->Global2Local(detElemId, x, y, z, xLoc, yLoc, zLoc); | |
588 | ||
589 | Int_t nboard = 0; | |
590 | for ( Int_t cath = AliMp::kCath0; cath <= AliMp::kCath1; ++cath ) | |
591 | { | |
592 | const AliMpVSegmentation* seg | |
593 | = AliMpSegmentation::Instance() | |
594 | ->GetMpSegmentation(detElemId,AliMp::GetCathodType(cath)); | |
595 | ||
596 | AliMpPad pad = seg->PadByPosition(xLoc,yLoc,kFALSE); | |
597 | Int_t ix = pad.GetIx(); | |
598 | Int_t iy = pad.GetIy(); | |
599 | ||
600 | if ( !pad.IsValid() ) continue; | |
601 | ||
602 | if ( cath == AliMp::kCath0 ) nboard = pad.GetLocalBoardId(0); | |
603 | ||
604 | AliMUONDigit* digit = new AliMUONDigit(detElemId,nboard, | |
605 | pad.GetLocalBoardChannel(0),cath); | |
606 | digit->SetPadXY(ix,iy); | |
607 | digit->SetCharge(1.); | |
608 | digitStore.Add(*digit,AliMUONVDigitStore::kDeny); | |
609 | } | |
610 | } | |
611 | ||
9f164762 | 612 | if ( hitsOnTrigger == 0 ) { |
9f164762 | 613 | pZ = trackReference->Pz(); |
614 | slopeX = ( pZ == 0. ) ? 99999. : trackReference->Px() / pZ; | |
615 | slopeY = ( pZ == 0. ) ? 99999. : trackReference->Py() / pZ; | |
616 | ||
617 | track.SetX11(x); | |
618 | track.SetY11(y); | |
619 | track.SetZ11(z); | |
620 | track.SetSlopeX(slopeX); | |
621 | track.SetSlopeY(slopeY); | |
622 | } | |
623 | ||
624 | if ( currCh != chamberId ) { | |
625 | hitsOnTrigger++; | |
626 | currCh = chamberId; | |
627 | } | |
628 | ||
629 | } // loop on hits | |
b7474abb | 630 | |
631 | if ( hitsOnTrigger < 3 ) continue; | |
632 | ||
633 | // Check if the track passes the trigger algorithm | |
634 | if ( InitTriggerResponse() ) { | |
635 | AliMUONTriggerStoreV1 triggerStore; | |
636 | fTriggerElectronics->Digits2Trigger(digitStore,triggerStore); | |
637 | ||
638 | TIter next(triggerStore.CreateIterator()); | |
639 | AliMUONLocalTrigger* locTrg(0x0); | |
640 | ||
641 | Int_t ptCutLevel = 0; | |
642 | ||
643 | while ( ( locTrg = static_cast<AliMUONLocalTrigger*>(next()) ) ) | |
644 | { | |
645 | if ( locTrg->IsTrigX() && locTrg->IsTrigY() ) | |
646 | { | |
647 | ptCutLevel = TMath::Max(ptCutLevel, 1); | |
648 | if ( locTrg->LoHpt() ) ptCutLevel = TMath::Max(ptCutLevel, 3); | |
649 | else if ( locTrg->LoLpt() ) ptCutLevel = TMath::Max(ptCutLevel, 2); | |
650 | } // board is fired | |
651 | } // end of loop on Local Trigger | |
652 | track.SetPtCutLevel(ptCutLevel); | |
9f164762 | 653 | } |
b7474abb | 654 | track.SetUniqueID(iTrackRef); |
655 | fRecoTriggerRefStore->Add(track); | |
9f164762 | 656 | } |
657 | } | |
658 | ||
659 | ||
b8dc484b | 660 | //_____________________________________________________________________________ |
96ebe67e | 661 | void AliMUONRecoCheck::CleanMuonTrackRef(const AliMUONVTrackStore *tmpTrackRefStore) |
b8dc484b | 662 | { |
48217459 | 663 | /// Re-calculate hits parameters because two AliTrackReferences are recorded for |
664 | /// each chamber (one when particle is entering + one when particle is leaving | |
665 | /// the sensitive volume) | |
103e6575 | 666 | if (!(fTrackRefStore = AliMUONESDInterface::NewTrackStore())) return; |
48217459 | 667 | |
96ebe67e | 668 | Double_t maxGasGap = 1.; // cm |
669 | Double_t x, y, z, pX, pY, pZ, x1, y1, z1, pX1, pY1, pZ1, z2; | |
670 | Double_t bendingSlope,nonBendingSlope,inverseBendingMomentum; | |
103e6575 | 671 | AliMUONVClusterStore* cStore = AliMUONESDInterface::NewClusterStore(); |
672 | if (!cStore) return; | |
673 | AliMUONVCluster* hit = cStore->CreateCluster(0,0,0); | |
48217459 | 674 | |
96ebe67e | 675 | // create iterator |
676 | TIter next(tmpTrackRefStore->CreateIterator()); | |
48217459 | 677 | |
96ebe67e | 678 | // loop over tmpTrackRef |
48217459 | 679 | AliMUONTrack* track; |
96ebe67e | 680 | while ( ( track = static_cast<AliMUONTrack*>(next()) ) ) { |
681 | ||
682 | AliMUONTrack newTrack; | |
683 | ||
684 | // loop over tmpTrackRef's hits | |
685 | Int_t iHit1 = 0; | |
686 | Int_t nTrackHits = track->GetNClusters(); | |
687 | while (iHit1 < nTrackHits) { | |
688 | AliMUONTrackParam *trackParam1 = (AliMUONTrackParam*) track->GetTrackParamAtCluster()->UncheckedAt(iHit1); | |
689 | ||
690 | // get track parameters at hit1 | |
691 | x1 = trackParam1->GetNonBendingCoor(); | |
692 | y1 = trackParam1->GetBendingCoor(); | |
693 | z1 = trackParam1->GetZ(); | |
694 | pX1 = trackParam1->Px(); | |
695 | pY1 = trackParam1->Py(); | |
696 | pZ1 = trackParam1->Pz(); | |
697 | ||
698 | // prepare new track parameters | |
699 | x = x1; | |
700 | y = y1; | |
701 | z = z1; | |
702 | pX = pX1; | |
703 | pY = pY1; | |
704 | pZ = pZ1; | |
705 | ||
706 | // loop over next tmpTrackRef's hits | |
707 | Int_t nCombinedHits = 1; | |
708 | for (Int_t iHit2 = iHit1+1; iHit2 < nTrackHits; iHit2++) { | |
709 | AliMUONTrackParam *trackParam2 = (AliMUONTrackParam*) track->GetTrackParamAtCluster()->UncheckedAt(iHit2); | |
48217459 | 710 | |
96ebe67e | 711 | // get z position of hit2 |
712 | z2 = trackParam2->GetZ(); | |
713 | ||
714 | // complete new track parameters if hit2 is on the same detection element | |
715 | if ( TMath::Abs(z2-z1) < maxGasGap ) { | |
716 | x += trackParam2->GetNonBendingCoor(); | |
717 | y += trackParam2->GetBendingCoor(); | |
718 | z += z2; | |
719 | pX += trackParam2->Px(); | |
720 | pY += trackParam2->Py(); | |
721 | pZ += trackParam2->Pz(); | |
722 | nCombinedHits++; | |
48217459 | 723 | iHit1 = iHit2; |
724 | } | |
725 | ||
96ebe67e | 726 | } |
727 | ||
728 | // finalize new track parameters | |
729 | x /= (Double_t)nCombinedHits; | |
730 | y /= (Double_t)nCombinedHits; | |
731 | z /= (Double_t)nCombinedHits; | |
732 | pX /= (Double_t)nCombinedHits; | |
733 | pY /= (Double_t)nCombinedHits; | |
734 | pZ /= (Double_t)nCombinedHits; | |
735 | bendingSlope = 0; | |
736 | nonBendingSlope = 0; | |
737 | inverseBendingMomentum = 0; | |
738 | if (TMath::Abs(pZ) > 0) { | |
739 | bendingSlope = pY/pZ; | |
740 | nonBendingSlope = pX/pZ; | |
741 | } | |
742 | Double_t pYZ = TMath::Sqrt(pY*pY+pZ*pZ); | |
743 | if (pYZ >0) inverseBendingMomentum = 1/pYZ; | |
744 | inverseBendingMomentum *= trackParam1->GetCharge(); | |
b8dc484b | 745 | |
96ebe67e | 746 | // set hit parameters |
c59f70b9 | 747 | hit->SetUniqueID(trackParam1->GetClusterPtr()->GetUniqueID()); |
103e6575 | 748 | hit->SetXYZ(x,y,z); |
749 | hit->SetErrXY(0.,0.); | |
48217459 | 750 | |
96ebe67e | 751 | // set new track parameters at new hit |
752 | AliMUONTrackParam trackParam; | |
753 | trackParam.SetNonBendingCoor(x); | |
754 | trackParam.SetBendingCoor(y); | |
755 | trackParam.SetZ(z); | |
756 | trackParam.SetBendingSlope(bendingSlope); | |
757 | trackParam.SetNonBendingSlope(nonBendingSlope); | |
758 | trackParam.SetInverseBendingMomentum(inverseBendingMomentum); | |
759 | ||
760 | // add track parameters at current hit to the track | |
103e6575 | 761 | newTrack.AddTrackParamAtCluster(trackParam, *hit, kTRUE); |
b8dc484b | 762 | |
763 | iHit1++; | |
96ebe67e | 764 | } |
48217459 | 765 | |
2e2d0c44 | 766 | newTrack.SetUniqueID(track->GetUniqueID()); |
96ebe67e | 767 | newTrack.SetTrackParamAtVertex(track->GetTrackParamAtVertex()); |
768 | fTrackRefStore->Add(newTrack); | |
b8dc484b | 769 | |
96ebe67e | 770 | } |
b8dc484b | 771 | |
103e6575 | 772 | delete hit; |
773 | delete cStore; | |
b8dc484b | 774 | } |
775 | ||
776 | //_____________________________________________________________________________ | |
f202486b | 777 | void AliMUONRecoCheck::MakeReconstructibleTracks(UInt_t requestedStationMask, Bool_t request2ChInSameSt45) |
b8dc484b | 778 | { |
61fed964 | 779 | /// Isolate the reconstructible tracks |
103e6575 | 780 | if (!(fRecoTrackRefStore = AliMUONESDInterface::NewTrackStore())) return; |
48217459 | 781 | |
96ebe67e | 782 | // create iterator on trackRef |
783 | TIter next(fTrackRefStore->CreateIterator()); | |
b8dc484b | 784 | |
f202486b | 785 | // loop over trackRef and add reconstructible tracks to fRecoTrackRefStore |
48217459 | 786 | AliMUONTrack* track; |
96ebe67e | 787 | while ( ( track = static_cast<AliMUONTrack*>(next()) ) ) { |
f202486b | 788 | if (track->IsValid(requestedStationMask, request2ChInSameSt45)) fRecoTrackRefStore->Add(*track); |
789 | } | |
790 | ||
791 | } | |
792 | ||
793 | //_____________________________________________________________________________ | |
794 | AliMUONTrack* AliMUONRecoCheck::FindCompatibleTrack(AliMUONTrack &track, AliMUONVTrackStore &trackStore, | |
795 | Int_t &nMatchClusters, Bool_t useLabel, Double_t sigmaCut) | |
796 | { | |
797 | /// Return the track from the store matched with the given track (or 0x0) and the number of matched clusters. | |
798 | /// Matching is done by using the MC label of by comparing cluster/TrackRef positions according to the flag "useLabel". | |
799 | /// WARNING: Who match who matters since the matching algorithm uses the *fraction* of matched clusters of the given track | |
800 | ||
801 | AliMUONTrack *matchedTrack = 0x0; | |
802 | nMatchClusters = 0; | |
803 | ||
804 | if (useLabel) { // by using the MC label | |
96ebe67e | 805 | |
f202486b | 806 | // get the corresponding simulated track if any |
807 | Int_t label = track.GetMCLabel(); | |
808 | matchedTrack = (AliMUONTrack*) trackStore.FindObject(label); | |
48217459 | 809 | |
f202486b | 810 | // get the fraction of matched clusters |
811 | if (matchedTrack) { | |
812 | Int_t nClusters = track.GetNClusters(); | |
813 | for (Int_t iCl = 0; iCl < nClusters; iCl++) | |
814 | if (((AliMUONTrackParam*) track.GetTrackParamAtCluster()->UncheckedAt(iCl))->GetClusterPtr()->GetMCLabel() == label) | |
815 | nMatchClusters++; | |
816 | } | |
96ebe67e | 817 | |
f202486b | 818 | } else { // by comparing cluster/TrackRef positions |
48217459 | 819 | |
f202486b | 820 | // look for the corresponding simulated track if any |
821 | TIter next(trackStore.CreateIterator()); | |
822 | AliMUONTrack* track2; | |
823 | while ( ( track2 = static_cast<AliMUONTrack*>(next()) ) ) { | |
824 | ||
825 | // check compatibility | |
826 | Int_t n = 0; | |
827 | if (track.Match(*track2, sigmaCut, n)) { | |
828 | matchedTrack = track2; | |
829 | nMatchClusters = n; | |
830 | break; | |
831 | } | |
832 | ||
833 | } | |
48217459 | 834 | |
b8dc484b | 835 | } |
f202486b | 836 | |
837 | return matchedTrack; | |
838 | ||
b8dc484b | 839 | } |
840 | ||
9f164762 | 841 | |
842 | //_____________________________________________________________________________ | |
57e2ad1a | 843 | AliMUONTriggerTrack* AliMUONRecoCheck::FindCompatibleTrack(AliMUONTriggerTrack &track, const AliMUONVTriggerTrackStore &triggerTrackStore, |
9f164762 | 844 | Double_t sigmaCut) |
845 | { | |
846 | /// Return the trigger track from the store matched with the given track (or 0x0). | |
847 | /// Matching is done by comparing cluster/TrackRef positions. | |
848 | ||
849 | AliMUONTriggerTrack *matchedTrack = 0x0; | |
850 | ||
851 | // look for the corresponding simulated track if any | |
852 | TIter next(triggerTrackStore.CreateIterator()); | |
853 | AliMUONTriggerTrack* track2; | |
854 | while ( ( track2 = static_cast<AliMUONTriggerTrack*>(next()) ) ) { | |
9f164762 | 855 | // check compatibility |
856 | if (track.Match(*track2, sigmaCut)) { | |
857 | matchedTrack = track2; | |
858 | break; | |
859 | } | |
860 | } | |
861 | ||
862 | return matchedTrack; | |
863 | ||
864 | } | |
865 | ||
b7474abb | 866 | |
867 | //____________________________________________________________________________ | |
868 | Bool_t AliMUONRecoCheck::InitTriggerResponse() | |
869 | { | |
870 | /// Initialize trigger electronics | |
871 | /// for building of triggerable tracks from MC | |
872 | ||
873 | if ( fTriggerElectronics ) return kTRUE; | |
874 | ||
875 | if ( ! InitGeometryTransformer() ) return kFALSE; | |
876 | ||
877 | if ( ! InitCalibrationData() ) return kFALSE; | |
878 | ||
879 | fTriggerElectronics = new AliMUONTriggerElectronics(fCalibrationData); | |
880 | ||
881 | return kTRUE; | |
882 | } | |
883 | ||
884 | ||
885 | //____________________________________________________________________________ | |
886 | Bool_t AliMUONRecoCheck::InitCalibrationData() | |
887 | { | |
888 | /// Initialize calibration data | |
889 | if ( ! fCalibrationData ) { | |
890 | if ( !AliMUONCDB::CheckOCDB() ) return kFALSE; | |
891 | fCalibrationData = new AliMUONCalibrationData(AliCDBManager::Instance()->GetRun()); | |
892 | } | |
893 | return kTRUE; | |
894 | } | |
895 | ||
896 | ||
897 | //____________________________________________________________________________ | |
898 | Bool_t AliMUONRecoCheck::InitGeometryTransformer() | |
899 | { | |
900 | /// Return calibration data | |
901 | /// (create it if necessary) | |
902 | if ( ! fGeometryTransformer ) { | |
903 | ||
904 | if ( !AliMUONCDB::CheckOCDB() ) return kFALSE; | |
905 | ||
906 | if ( !AliGeomManager::GetGeometry() ) | |
907 | AliGeomManager::LoadGeometry(); | |
908 | ||
909 | if ( !AliMpDDLStore::Instance(false) ) | |
910 | AliMpCDB::LoadDDLStore(); | |
911 | ||
912 | fGeometryTransformer = new AliMUONGeometryTransformer(); | |
913 | fGeometryTransformer->LoadGeometryData(); | |
914 | } | |
915 | ||
916 | return kTRUE; | |
917 | } | |
918 |