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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 | |
9bdda5f6 | 34 | |
cc056de1 | 35 | #include "AliMUONRecoCheck.h" |
36 | #include "AliMUONTrack.h" | |
103e6575 | 37 | #include "AliMUONVTrackStore.h" |
38 | #include "AliMUONVCluster.h" | |
39 | #include "AliMUONVClusterStore.h" | |
cc056de1 | 40 | #include "AliMUONConstants.h" |
103e6575 | 41 | #include "AliMUONESDInterface.h" |
96ebe67e | 42 | #include "AliMCEventHandler.h" |
43 | #include "AliMCEvent.h" | |
b8dc484b | 44 | #include "AliStack.h" |
cc056de1 | 45 | #include "AliTrackReference.h" |
9bdda5f6 | 46 | #include "AliLog.h" |
47 | #include "AliESDEvent.h" | |
48 | #include "AliESDMuonTrack.h" | |
96ebe67e | 49 | |
61fed964 | 50 | #include <TFile.h> |
51 | #include <TTree.h> | |
cc056de1 | 52 | #include <TParticle.h> |
5b1afea0 | 53 | #include <TParticlePDG.h> |
96ebe67e | 54 | #include <Riostream.h> |
55 | ||
5398f946 | 56 | /// \cond CLASSIMP |
b8dc484b | 57 | ClassImp(AliMUONRecoCheck) |
5398f946 | 58 | /// \endcond |
b8dc484b | 59 | |
068e4c36 | 60 | //_____________________________________________________________________________ |
ad3c6eda | 61 | AliMUONRecoCheck::AliMUONRecoCheck(Char_t *esdFileName, Char_t *pathSim) |
48217459 | 62 | : TObject(), |
96ebe67e | 63 | fMCEventHandler(new AliMCEventHandler()), |
61fed964 | 64 | fESDEvent(new AliESDEvent()), |
65 | fESDTree (0x0), | |
66 | fESDFile (0x0), | |
96ebe67e | 67 | fCurrentEvent(0), |
68 | fTrackRefStore(0x0), | |
69 | fRecoTrackRefStore(0x0), | |
70 | fRecoTrackStore(0x0) | |
068e4c36 | 71 | { |
48217459 | 72 | /// Normal ctor |
61fed964 | 73 | |
74 | // TrackRefs and Particules | |
96ebe67e | 75 | fMCEventHandler->SetInputPath(pathSim); |
76 | fMCEventHandler->InitIO(""); | |
61fed964 | 77 | |
78 | // ESD MUON Tracks | |
79 | fESDFile = TFile::Open(esdFileName); // open the file | |
80 | if (!fESDFile || !fESDFile->IsOpen()) { | |
81 | AliError(Form("opening ESD file %s failed", esdFileName)); | |
82 | fESDFile = 0x0; | |
83 | return; | |
84 | } | |
85 | fESDTree = (TTree*) fESDFile->Get("esdTree"); // get the tree | |
86 | if (!fESDTree) { | |
87 | AliError("no ESD tree found"); | |
88 | fESDFile->Close(); | |
89 | fESDFile = 0x0; | |
90 | return; | |
91 | } | |
92 | fESDEvent->ReadFromTree(fESDTree); // link fESDEvent to the tree | |
068e4c36 | 93 | } |
94 | ||
b8dc484b | 95 | //_____________________________________________________________________________ |
48217459 | 96 | AliMUONRecoCheck::~AliMUONRecoCheck() |
b8dc484b | 97 | { |
48217459 | 98 | /// Destructor |
96ebe67e | 99 | delete fMCEventHandler; |
61fed964 | 100 | delete fESDEvent; |
101 | if (fESDFile) fESDFile->Close(); | |
96ebe67e | 102 | ResetStores(); |
103 | } | |
104 | ||
105 | //_____________________________________________________________________________ | |
106 | void AliMUONRecoCheck::ResetStores() | |
107 | { | |
108 | /// Deletes all the store objects that have been created and resets the pointers to 0x0 | |
109 | delete fTrackRefStore; fTrackRefStore = 0x0; | |
110 | delete fRecoTrackRefStore; fRecoTrackRefStore = 0x0; | |
111 | delete fRecoTrackStore; fRecoTrackStore = 0x0; | |
112 | } | |
113 | ||
114 | //_____________________________________________________________________________ | |
115 | Int_t AliMUONRecoCheck::NumberOfEvents() const | |
116 | { | |
117 | /// Return the number of events | |
61fed964 | 118 | if (fESDTree) return fESDTree->GetEntries(); |
96ebe67e | 119 | return 0; |
b8dc484b | 120 | } |
121 | ||
48217459 | 122 | //_____________________________________________________________________________ |
96ebe67e | 123 | AliMUONVTrackStore* AliMUONRecoCheck::ReconstructedTracks(Int_t event) |
48217459 | 124 | { |
61fed964 | 125 | /// Return a track store containing the reconstructed tracks (converted into |
126 | /// MUONTrack objects) for a given event | |
96ebe67e | 127 | if (event != fCurrentEvent) { |
128 | ResetStores(); | |
129 | fCurrentEvent = event; | |
130 | } | |
131 | ||
132 | if (fRecoTrackStore != 0x0) return fRecoTrackStore; | |
61fed964 | 133 | else { |
134 | if (!fESDTree) return 0x0; | |
135 | if (fESDTree->GetEvent(event) <= 0) { | |
136 | AliError(Form("fails to read ESD object for event %d", event)); | |
137 | return 0x0; | |
9bdda5f6 | 138 | } |
61fed964 | 139 | MakeReconstructedTracks(); |
140 | return fRecoTrackStore; | |
9bdda5f6 | 141 | } |
9bdda5f6 | 142 | } |
143 | ||
144 | //_____________________________________________________________________________ | |
96ebe67e | 145 | AliMUONVTrackStore* AliMUONRecoCheck::TrackRefs(Int_t event) |
b8dc484b | 146 | { |
48217459 | 147 | /// Return a track store containing the track references (converted into |
148 | /// MUONTrack objects) for a given event | |
96ebe67e | 149 | if (event != fCurrentEvent) { |
150 | ResetStores(); | |
151 | fCurrentEvent = event; | |
152 | } | |
153 | ||
154 | if (fTrackRefStore != 0x0) return fTrackRefStore; | |
155 | else { | |
61fed964 | 156 | if (!fMCEventHandler->GetEvent(event)) { |
157 | AliError(Form("fails to read MC objects for event %d", event)); | |
158 | return 0x0; | |
159 | } | |
96ebe67e | 160 | MakeTrackRefs(); |
161 | return fTrackRefStore; | |
162 | } | |
b8dc484b | 163 | } |
164 | ||
165 | //_____________________________________________________________________________ | |
96ebe67e | 166 | AliMUONVTrackStore* AliMUONRecoCheck::ReconstructibleTracks(Int_t event) |
b8dc484b | 167 | { |
48217459 | 168 | /// Return a track store containing the reconstructible tracks for a given event |
96ebe67e | 169 | if (event != fCurrentEvent) { |
170 | ResetStores(); | |
171 | fCurrentEvent = event; | |
172 | } | |
173 | ||
174 | if (fRecoTrackRefStore != 0x0) return fRecoTrackRefStore; | |
175 | else { | |
176 | if (TrackRefs(event) == 0x0) return 0x0; | |
177 | MakeReconstructibleTracks(); | |
178 | return fRecoTrackRefStore; | |
179 | } | |
48217459 | 180 | } |
b8dc484b | 181 | |
61fed964 | 182 | //_____________________________________________________________________________ |
183 | void AliMUONRecoCheck::MakeReconstructedTracks() | |
184 | { | |
185 | /// Make reconstructed tracks | |
103e6575 | 186 | if (!(fRecoTrackStore = AliMUONESDInterface::NewTrackStore())) return; |
61fed964 | 187 | |
b1fea02e | 188 | // loop over all reconstructed tracks and add them to the store (skip ghosts) |
103e6575 | 189 | Int_t nTracks = (Int_t) fESDEvent->GetNumberOfMuonTracks(); |
b1fea02e | 190 | for (Int_t iTrack = 0; iTrack < nTracks; iTrack++) { |
191 | AliESDMuonTrack* esdTrack = fESDEvent->GetMuonTrack(iTrack); | |
ad3c6eda | 192 | if (esdTrack->ContainTrackerData()) AliMUONESDInterface::Add(*esdTrack, *fRecoTrackStore); |
b1fea02e | 193 | } |
61fed964 | 194 | |
195 | } | |
196 | ||
48217459 | 197 | //_____________________________________________________________________________ |
96ebe67e | 198 | void AliMUONRecoCheck::MakeTrackRefs() |
48217459 | 199 | { |
200 | /// Make reconstructible tracks | |
103e6575 | 201 | AliMUONVTrackStore *tmpTrackRefStore = AliMUONESDInterface::NewTrackStore(); |
202 | if (!tmpTrackRefStore) return; | |
48217459 | 203 | |
96ebe67e | 204 | Double_t x, y, z, pX, pY, pZ, bendingSlope, nonBendingSlope, inverseBendingMomentum; |
205 | TParticle* particle; | |
206 | TClonesArray* trackRefs; | |
207 | Int_t nTrackRef = fMCEventHandler->MCEvent()->GetNumberOfTracks(); | |
103e6575 | 208 | AliMUONVClusterStore* cStore = AliMUONESDInterface::NewClusterStore(); |
209 | if (!cStore) return; | |
210 | AliMUONVCluster* hit = cStore->CreateCluster(0,0,0); | |
b8dc484b | 211 | |
96ebe67e | 212 | // loop over simulated tracks |
213 | for (Int_t iTrackRef = 0; iTrackRef < nTrackRef; ++iTrackRef) { | |
214 | Int_t nHits = fMCEventHandler->GetParticleAndTR(iTrackRef, particle, trackRefs); | |
48217459 | 215 | |
96ebe67e | 216 | // skip empty trackRefs |
217 | if (nHits < 1) continue; | |
218 | ||
61fed964 | 219 | // get the particle charge for further calculation |
220 | TParticlePDG* ppdg = particle->GetPDG(); | |
46df197d | 221 | Int_t charge = ppdg != NULL ? (Int_t)(ppdg->Charge()/3.0) : 0; |
96ebe67e | 222 | |
61fed964 | 223 | AliMUONTrack track; |
48217459 | 224 | |
96ebe67e | 225 | // loop over simulated track hits |
226 | for (Int_t iHit = 0; iHit < nHits; ++iHit) { | |
227 | AliTrackReference* trackReference = static_cast<AliTrackReference*>(trackRefs->UncheckedAt(iHit)); | |
068e4c36 | 228 | |
61fed964 | 229 | // skip trackRefs not in MUON |
230 | if (trackReference->DetectorId() != AliTrackReference::kMUON) continue; | |
231 | ||
96ebe67e | 232 | // Get track parameters of current hit |
233 | x = trackReference->X(); | |
234 | y = trackReference->Y(); | |
235 | z = trackReference->Z(); | |
236 | pX = trackReference->Px(); | |
237 | pY = trackReference->Py(); | |
238 | pZ = trackReference->Pz(); | |
b8dc484b | 239 | |
96ebe67e | 240 | // check chamberId of current trackReference |
241 | Int_t chamberId = AliMUONConstants::ChamberNumber(z); | |
242 | if (chamberId < 0 || chamberId >= AliMUONConstants::NTrackingCh()) continue; | |
48217459 | 243 | |
96ebe67e | 244 | // set hit parameters |
103e6575 | 245 | hit->SetUniqueID(AliMUONVCluster::BuildUniqueID(chamberId, 0, 0)); |
246 | hit->SetXYZ(x,y,z); | |
247 | hit->SetErrXY(0.,0.); | |
b8dc484b | 248 | |
96ebe67e | 249 | // compute track parameters at hit |
7cdc832b | 250 | bendingSlope = 0; |
251 | nonBendingSlope = 0; | |
252 | inverseBendingMomentum = 0; | |
96ebe67e | 253 | if (TMath::Abs(pZ) > 0) { |
254 | bendingSlope = pY/pZ; | |
255 | nonBendingSlope = pX/pZ; | |
b8dc484b | 256 | } |
96ebe67e | 257 | Double_t pYZ = TMath::Sqrt(pY*pY+pZ*pZ); |
258 | if (pYZ >0) inverseBendingMomentum = 1/pYZ; | |
259 | inverseBendingMomentum *= charge; | |
260 | ||
261 | // set track parameters at hit | |
262 | AliMUONTrackParam trackParam; | |
263 | trackParam.SetNonBendingCoor(x); | |
264 | trackParam.SetBendingCoor(y); | |
265 | trackParam.SetZ(z); | |
266 | trackParam.SetBendingSlope(bendingSlope); | |
267 | trackParam.SetNonBendingSlope(nonBendingSlope); | |
268 | trackParam.SetInverseBendingMomentum(inverseBendingMomentum); | |
269 | ||
270 | // add track parameters at current hit to the track | |
103e6575 | 271 | track.AddTrackParamAtCluster(trackParam, *hit, kTRUE); |
96ebe67e | 272 | } |
273 | ||
61fed964 | 274 | // if none of the track hits was in MUON, goto the next track |
275 | if (track.GetNClusters() < 1) continue; | |
276 | ||
277 | // get track parameters at particle's vertex | |
278 | x = particle->Vx(); | |
279 | y = particle->Vy(); | |
280 | z = particle->Vz(); | |
281 | pX = particle->Px(); | |
282 | pY = particle->Py(); | |
283 | pZ = particle->Pz(); | |
284 | ||
285 | // compute rest of track parameters at particle's vertex | |
286 | bendingSlope = 0; | |
287 | nonBendingSlope = 0; | |
288 | inverseBendingMomentum = 0; | |
289 | if (TMath::Abs(pZ) > 0) { | |
290 | bendingSlope = pY/pZ; | |
291 | nonBendingSlope = pX/pZ; | |
292 | } | |
293 | Double_t pYZ = TMath::Sqrt(pY*pY+pZ*pZ); | |
294 | if (pYZ >0) inverseBendingMomentum = 1/pYZ; | |
295 | inverseBendingMomentum *= charge; | |
296 | ||
297 | // set track parameters at particle's vertex | |
298 | AliMUONTrackParam trackParamAtVertex; | |
299 | trackParamAtVertex.SetNonBendingCoor(x); | |
300 | trackParamAtVertex.SetBendingCoor(y); | |
301 | trackParamAtVertex.SetZ(z); | |
302 | trackParamAtVertex.SetBendingSlope(bendingSlope); | |
303 | trackParamAtVertex.SetNonBendingSlope(nonBendingSlope); | |
304 | trackParamAtVertex.SetInverseBendingMomentum(inverseBendingMomentum); | |
305 | ||
306 | // add track parameters at vertex | |
307 | track.SetTrackParamAtVertex(&trackParamAtVertex); | |
308 | ||
103e6575 | 309 | // store the track |
96ebe67e | 310 | track.SetTrackID(iTrackRef); |
311 | tmpTrackRefStore->Add(track); | |
b8dc484b | 312 | } |
b8dc484b | 313 | |
96ebe67e | 314 | CleanMuonTrackRef(tmpTrackRefStore); |
48217459 | 315 | |
103e6575 | 316 | delete hit; |
317 | delete cStore; | |
96ebe67e | 318 | delete tmpTrackRefStore; |
b8dc484b | 319 | } |
320 | ||
321 | //_____________________________________________________________________________ | |
96ebe67e | 322 | void AliMUONRecoCheck::CleanMuonTrackRef(const AliMUONVTrackStore *tmpTrackRefStore) |
b8dc484b | 323 | { |
48217459 | 324 | /// Re-calculate hits parameters because two AliTrackReferences are recorded for |
325 | /// each chamber (one when particle is entering + one when particle is leaving | |
326 | /// the sensitive volume) | |
103e6575 | 327 | if (!(fTrackRefStore = AliMUONESDInterface::NewTrackStore())) return; |
48217459 | 328 | |
96ebe67e | 329 | Double_t maxGasGap = 1.; // cm |
330 | Double_t x, y, z, pX, pY, pZ, x1, y1, z1, pX1, pY1, pZ1, z2; | |
331 | Double_t bendingSlope,nonBendingSlope,inverseBendingMomentum; | |
103e6575 | 332 | AliMUONVClusterStore* cStore = AliMUONESDInterface::NewClusterStore(); |
333 | if (!cStore) return; | |
334 | AliMUONVCluster* hit = cStore->CreateCluster(0,0,0); | |
48217459 | 335 | |
96ebe67e | 336 | // create iterator |
337 | TIter next(tmpTrackRefStore->CreateIterator()); | |
48217459 | 338 | |
96ebe67e | 339 | // loop over tmpTrackRef |
48217459 | 340 | AliMUONTrack* track; |
96ebe67e | 341 | while ( ( track = static_cast<AliMUONTrack*>(next()) ) ) { |
342 | ||
343 | AliMUONTrack newTrack; | |
344 | ||
345 | // loop over tmpTrackRef's hits | |
346 | Int_t iHit1 = 0; | |
347 | Int_t nTrackHits = track->GetNClusters(); | |
348 | while (iHit1 < nTrackHits) { | |
349 | AliMUONTrackParam *trackParam1 = (AliMUONTrackParam*) track->GetTrackParamAtCluster()->UncheckedAt(iHit1); | |
350 | ||
351 | // get track parameters at hit1 | |
352 | x1 = trackParam1->GetNonBendingCoor(); | |
353 | y1 = trackParam1->GetBendingCoor(); | |
354 | z1 = trackParam1->GetZ(); | |
355 | pX1 = trackParam1->Px(); | |
356 | pY1 = trackParam1->Py(); | |
357 | pZ1 = trackParam1->Pz(); | |
358 | ||
359 | // prepare new track parameters | |
360 | x = x1; | |
361 | y = y1; | |
362 | z = z1; | |
363 | pX = pX1; | |
364 | pY = pY1; | |
365 | pZ = pZ1; | |
366 | ||
367 | // loop over next tmpTrackRef's hits | |
368 | Int_t nCombinedHits = 1; | |
369 | for (Int_t iHit2 = iHit1+1; iHit2 < nTrackHits; iHit2++) { | |
370 | AliMUONTrackParam *trackParam2 = (AliMUONTrackParam*) track->GetTrackParamAtCluster()->UncheckedAt(iHit2); | |
48217459 | 371 | |
96ebe67e | 372 | // get z position of hit2 |
373 | z2 = trackParam2->GetZ(); | |
374 | ||
375 | // complete new track parameters if hit2 is on the same detection element | |
376 | if ( TMath::Abs(z2-z1) < maxGasGap ) { | |
377 | x += trackParam2->GetNonBendingCoor(); | |
378 | y += trackParam2->GetBendingCoor(); | |
379 | z += z2; | |
380 | pX += trackParam2->Px(); | |
381 | pY += trackParam2->Py(); | |
382 | pZ += trackParam2->Pz(); | |
383 | nCombinedHits++; | |
48217459 | 384 | iHit1 = iHit2; |
385 | } | |
386 | ||
96ebe67e | 387 | } |
388 | ||
389 | // finalize new track parameters | |
390 | x /= (Double_t)nCombinedHits; | |
391 | y /= (Double_t)nCombinedHits; | |
392 | z /= (Double_t)nCombinedHits; | |
393 | pX /= (Double_t)nCombinedHits; | |
394 | pY /= (Double_t)nCombinedHits; | |
395 | pZ /= (Double_t)nCombinedHits; | |
396 | bendingSlope = 0; | |
397 | nonBendingSlope = 0; | |
398 | inverseBendingMomentum = 0; | |
399 | if (TMath::Abs(pZ) > 0) { | |
400 | bendingSlope = pY/pZ; | |
401 | nonBendingSlope = pX/pZ; | |
402 | } | |
403 | Double_t pYZ = TMath::Sqrt(pY*pY+pZ*pZ); | |
404 | if (pYZ >0) inverseBendingMomentum = 1/pYZ; | |
405 | inverseBendingMomentum *= trackParam1->GetCharge(); | |
b8dc484b | 406 | |
96ebe67e | 407 | // set hit parameters |
103e6575 | 408 | hit->SetUniqueID(AliMUONVCluster::BuildUniqueID(trackParam1->GetClusterPtr()->GetChamberId(), 0, 0)); |
409 | hit->SetXYZ(x,y,z); | |
410 | hit->SetErrXY(0.,0.); | |
48217459 | 411 | |
96ebe67e | 412 | // set new track parameters at new hit |
413 | AliMUONTrackParam trackParam; | |
414 | trackParam.SetNonBendingCoor(x); | |
415 | trackParam.SetBendingCoor(y); | |
416 | trackParam.SetZ(z); | |
417 | trackParam.SetBendingSlope(bendingSlope); | |
418 | trackParam.SetNonBendingSlope(nonBendingSlope); | |
419 | trackParam.SetInverseBendingMomentum(inverseBendingMomentum); | |
420 | ||
421 | // add track parameters at current hit to the track | |
103e6575 | 422 | newTrack.AddTrackParamAtCluster(trackParam, *hit, kTRUE); |
b8dc484b | 423 | |
424 | iHit1++; | |
96ebe67e | 425 | } |
48217459 | 426 | |
96ebe67e | 427 | newTrack.SetTrackID(track->GetTrackID()); |
428 | newTrack.SetTrackParamAtVertex(track->GetTrackParamAtVertex()); | |
429 | fTrackRefStore->Add(newTrack); | |
b8dc484b | 430 | |
96ebe67e | 431 | } |
b8dc484b | 432 | |
103e6575 | 433 | delete hit; |
434 | delete cStore; | |
b8dc484b | 435 | } |
436 | ||
437 | //_____________________________________________________________________________ | |
96ebe67e | 438 | void AliMUONRecoCheck::MakeReconstructibleTracks() |
b8dc484b | 439 | { |
61fed964 | 440 | /// Isolate the reconstructible tracks |
103e6575 | 441 | if (!(fRecoTrackRefStore = AliMUONESDInterface::NewTrackStore())) return; |
48217459 | 442 | |
96ebe67e | 443 | // create iterator on trackRef |
444 | TIter next(fTrackRefStore->CreateIterator()); | |
b8dc484b | 445 | |
96ebe67e | 446 | // loop over trackRef |
48217459 | 447 | AliMUONTrack* track; |
96ebe67e | 448 | while ( ( track = static_cast<AliMUONTrack*>(next()) ) ) { |
449 | ||
450 | Bool_t* chamberInTrack = new Bool_t(AliMUONConstants::NTrackingCh()); | |
451 | for (Int_t iCh = 0; iCh < AliMUONConstants::NTrackingCh(); iCh++) chamberInTrack[iCh] = kFALSE; | |
48217459 | 452 | |
96ebe67e | 453 | // loop over trackRef's hits to get hit chambers |
454 | Int_t nTrackHits = track->GetNClusters(); | |
455 | for (Int_t iHit = 0; iHit < nTrackHits; iHit++) { | |
456 | AliMUONVCluster* hit = ((AliMUONTrackParam*) track->GetTrackParamAtCluster()->UncheckedAt(iHit))->GetClusterPtr(); | |
457 | chamberInTrack[hit->GetChamberId()] = kTRUE; | |
cc056de1 | 458 | } |
96ebe67e | 459 | |
cc056de1 | 460 | // track is reconstructible if the particle is depositing a hit |
461 | // in the following chamber combinations: | |
96ebe67e | 462 | Bool_t trackOK = kTRUE; |
463 | if (!chamberInTrack[0] && !chamberInTrack[1]) trackOK = kFALSE; | |
464 | if (!chamberInTrack[2] && !chamberInTrack[3]) trackOK = kFALSE; | |
465 | if (!chamberInTrack[4] && !chamberInTrack[5]) trackOK = kFALSE; | |
466 | Int_t nHitsInLastStations = 0; | |
467 | for (Int_t iCh = 6; iCh < AliMUONConstants::NTrackingCh(); iCh++) | |
468 | if (chamberInTrack[iCh]) nHitsInLastStations++; | |
469 | if(nHitsInLastStations < 3) trackOK = kFALSE; | |
48217459 | 470 | |
96ebe67e | 471 | // Add reconstructible tracks to fRecoTrackRefStore |
472 | if (trackOK) fRecoTrackRefStore->Add(*track); | |
48217459 | 473 | |
96ebe67e | 474 | delete [] chamberInTrack; |
b8dc484b | 475 | } |
48217459 | 476 | |
b8dc484b | 477 | } |
478 |