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8d0843c6 | 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 | ||
16 | /* $Id$ */ | |
17 | ||
06ca6d7b | 18 | /// \class AliMUONVTrackReconstructor |
8d0843c6 | 19 | //////////////////////////////////// |
06ca6d7b | 20 | /// |
21 | /// Virtual MUON track reconstructor in ALICE (class renamed from AliMUONEventReconstructor) | |
22 | /// | |
23 | /// This class contains as data: | |
24 | /// * a pointer to the array of hits to be reconstructed (the event) | |
25 | /// * a pointer to the array of segments made with these hits inside each station | |
26 | /// * a pointer to the array of reconstructed tracks | |
27 | /// | |
28 | /// It contains as methods, among others: | |
29 | /// * EventReconstruct to build the muon tracks | |
30 | /// * EventReconstructTrigger to build the trigger tracks | |
31 | /// | |
8d0843c6 | 32 | //////////////////////////////////// |
33 | ||
8d0843c6 | 34 | #include "AliMUONVTrackReconstructor.h" |
35 | #include "AliMUONData.h" | |
36 | #include "AliMUONConstants.h" | |
37 | #include "AliMUONHitForRec.h" | |
208f139e | 38 | #include "AliMUONObjectPair.h" |
8d0843c6 | 39 | #include "AliMUONTriggerTrack.h" |
e1a10d41 | 40 | #include "AliMUONTriggerCircuit.h" |
8d0843c6 | 41 | #include "AliMUONLocalTrigger.h" |
42 | #include "AliMUONGlobalTrigger.h" | |
8d0843c6 | 43 | #include "AliMUONTrack.h" |
37827b29 | 44 | #include "AliMUONTrackParam.h" |
45 | #include "AliMUONTrackExtrap.h" | |
4889d34c | 46 | |
8d0843c6 | 47 | #include "AliLog.h" |
48 | #include "AliTracker.h" | |
49 | ||
4889d34c | 50 | #include <Riostream.h> |
51 | #include <TClonesArray.h> | |
52 | #include <TMath.h> | |
53 | ||
8d0843c6 | 54 | ClassImp(AliMUONVTrackReconstructor) // Class implementation in ROOT context |
55 | ||
56 | //************* Defaults parameters for reconstruction | |
57 | const Double_t AliMUONVTrackReconstructor::fgkDefaultMinBendingMomentum = 3.0; | |
58 | const Double_t AliMUONVTrackReconstructor::fgkDefaultMaxBendingMomentum = 3000.0; | |
59 | const Double_t AliMUONVTrackReconstructor::fgkDefaultBendingResolution = 0.01; | |
60 | const Double_t AliMUONVTrackReconstructor::fgkDefaultNonBendingResolution = 0.144; | |
208f139e | 61 | const Double_t AliMUONVTrackReconstructor::fgkDefaultBendingVertexDispersion = 10.; |
62 | const Double_t AliMUONVTrackReconstructor::fgkDefaultNonBendingVertexDispersion = 10.; | |
63 | const Double_t AliMUONVTrackReconstructor::fgkDefaultMaxNormChi2MatchTrigger = 16.0; | |
8d0843c6 | 64 | |
65 | //__________________________________________________________________________ | |
66 | AliMUONVTrackReconstructor::AliMUONVTrackReconstructor(AliMUONData* data) | |
67 | : TObject(), | |
68 | fMinBendingMomentum(fgkDefaultMinBendingMomentum), | |
69 | fMaxBendingMomentum(fgkDefaultMaxBendingMomentum), | |
70 | fBendingResolution(fgkDefaultBendingResolution), | |
71 | fNonBendingResolution(fgkDefaultNonBendingResolution), | |
208f139e | 72 | fBendingVertexDispersion(fgkDefaultBendingVertexDispersion), |
73 | fNonBendingVertexDispersion(fgkDefaultNonBendingVertexDispersion), | |
74 | fMaxNormChi2MatchTrigger(fgkDefaultMaxNormChi2MatchTrigger), | |
8d0843c6 | 75 | fSegmentMaxDistBending(0x0), |
76 | fSegmentMaxDistNonBending(0x0), | |
77 | fHitsForRecPtr(0x0), | |
78 | fNHitsForRec(0), | |
79 | fNHitsForRecPerChamber(0x0), | |
80 | fIndexOfFirstHitForRecPerChamber(0x0), | |
8d0843c6 | 81 | fRecTracksPtr(0x0), |
82 | fNRecTracks(0), | |
83 | fMUONData(data), | |
84 | fTriggerTrack(new AliMUONTriggerTrack()), | |
85 | fTriggerCircuit(0x0) | |
86 | { | |
87 | /// Constructor for class AliMUONVTrackReconstructor | |
88 | fSegmentMaxDistBending = new Double_t[AliMUONConstants::NTrackingSt()]; | |
89 | fSegmentMaxDistNonBending = new Double_t[AliMUONConstants::NTrackingSt()]; | |
90 | fNHitsForRecPerChamber = new Int_t[AliMUONConstants::NTrackingCh()]; | |
91 | fIndexOfFirstHitForRecPerChamber = new Int_t[AliMUONConstants::NTrackingCh()]; | |
92 | ||
93 | SetReconstructionParametersToDefaults(); | |
94 | ||
95 | // Memory allocation for the TClonesArray of hits for reconstruction | |
96 | // Is 10000 the right size ???? | |
97 | fHitsForRecPtr = new TClonesArray("AliMUONHitForRec", 10000); | |
98 | ||
208f139e | 99 | // set the magnetic field for track extrapolations |
8d0843c6 | 100 | const AliMagF* kField = AliTracker::GetFieldMap(); |
101 | if (!kField) AliFatal("No field available"); | |
37827b29 | 102 | AliMUONTrackExtrap::SetField(kField); |
8d0843c6 | 103 | } |
104 | ||
105 | //__________________________________________________________________________ | |
106 | AliMUONVTrackReconstructor::~AliMUONVTrackReconstructor(void) | |
107 | { | |
108 | /// Destructor for class AliMUONVTrackReconstructor | |
109 | delete [] fSegmentMaxDistBending; | |
110 | delete [] fSegmentMaxDistNonBending; | |
111 | delete [] fNHitsForRecPerChamber; | |
112 | delete [] fIndexOfFirstHitForRecPerChamber; | |
113 | delete fTriggerTrack; | |
114 | delete fHitsForRecPtr; | |
8d0843c6 | 115 | } |
116 | ||
117 | //__________________________________________________________________________ | |
118 | void AliMUONVTrackReconstructor::SetReconstructionParametersToDefaults(void) | |
119 | { | |
120 | /// Set reconstruction parameters for making segments to default values | |
121 | // Would be much more convenient with a structure (or class) ???? | |
122 | ||
123 | // ******** Parameters for making segments | |
124 | // should be parametrized ???? | |
125 | // according to interval between chambers in a station ???? | |
126 | // Maximum distance in non bending plane | |
127 | // 5 * 0.22 just to remember the way it was made in TRACKF_STAT | |
128 | // SIGCUT*DYMAX(IZ) | |
208f139e | 129 | for (Int_t st = 0; st < AliMUONConstants::NTrackingSt(); st++) |
8d0843c6 | 130 | fSegmentMaxDistNonBending[st] = 5. * 0.22; |
131 | // Maximum distance in bending plane: | |
132 | // values from TRACKF_STAT, corresponding to (J psi 20cm), | |
133 | // scaled to the real distance between chambers in a station | |
134 | fSegmentMaxDistBending[0] = TMath::Abs( 1.5 * | |
135 | (AliMUONConstants::DefaultChamberZ(1) - AliMUONConstants::DefaultChamberZ(0)) / 20.0); | |
136 | fSegmentMaxDistBending[1] = TMath::Abs( 1.5 * | |
137 | (AliMUONConstants::DefaultChamberZ(3) - AliMUONConstants::DefaultChamberZ(2)) / 20.0); | |
138 | fSegmentMaxDistBending[2] = TMath::Abs( 3.0 * | |
139 | (AliMUONConstants::DefaultChamberZ(5) - AliMUONConstants::DefaultChamberZ(4)) / 20.0); | |
140 | fSegmentMaxDistBending[3] = TMath::Abs( 6.0 * | |
141 | (AliMUONConstants::DefaultChamberZ(7) - AliMUONConstants::DefaultChamberZ(6)) / 20.0); | |
142 | fSegmentMaxDistBending[4] = TMath::Abs( 6.0 * | |
143 | (AliMUONConstants::DefaultChamberZ(9) - AliMUONConstants::DefaultChamberZ(8)) / 20.0); | |
144 | ||
145 | return; | |
146 | } | |
147 | ||
148 | //__________________________________________________________________________ | |
149 | void AliMUONVTrackReconstructor::EventReconstruct(void) | |
150 | { | |
151 | // To reconstruct one event | |
152 | AliDebug(1,"Enter EventReconstruct"); | |
153 | ResetTracks(); //AZ | |
8d0843c6 | 154 | ResetHitsForRec(); //AZ |
155 | AddHitsForRecFromRawClusters(); | |
8d0843c6 | 156 | MakeTracks(); |
157 | if (fMUONData->IsTriggerTrackBranchesInTree()) | |
158 | ValidateTracksWithTrigger(); | |
159 | ||
160 | // Add tracks to MUON data container | |
161 | for(Int_t i=0; i<fNRecTracks; i++) { | |
162 | AliMUONTrack * track = (AliMUONTrack*) fRecTracksPtr->At(i); | |
163 | fMUONData->AddRecTrack(*track); | |
164 | } | |
165 | } | |
166 | ||
167 | //__________________________________________________________________________ | |
168 | void AliMUONVTrackReconstructor::ResetTracks(void) | |
169 | { | |
170 | /// To reset the TClonesArray of reconstructed tracks | |
171 | if (fRecTracksPtr) fRecTracksPtr->Delete(); | |
172 | // Delete in order that the Track destructors are called, | |
173 | // hence the space for the TClonesArray of pointers to TrackHit's is freed | |
174 | fNRecTracks = 0; | |
175 | return; | |
176 | } | |
177 | ||
8d0843c6 | 178 | //__________________________________________________________________________ |
179 | void AliMUONVTrackReconstructor::ResetHitsForRec(void) | |
180 | { | |
181 | /// To reset the array and the number of HitsForRec, | |
182 | /// and also the number of HitsForRec | |
183 | /// and the index of the first HitForRec per chamber | |
184 | if (fHitsForRecPtr) fHitsForRecPtr->Delete(); | |
185 | fNHitsForRec = 0; | |
186 | for (Int_t ch = 0; ch < AliMUONConstants::NTrackingCh(); ch++) | |
187 | fNHitsForRecPerChamber[ch] = fIndexOfFirstHitForRecPerChamber[ch] = 0; | |
188 | return; | |
189 | } | |
190 | ||
191 | //__________________________________________________________________________ | |
192 | void AliMUONVTrackReconstructor::SortHitsForRecWithIncreasingChamber() | |
193 | { | |
194 | /// Sort HitsForRec's in increasing order with respect to chamber number. | |
195 | /// Uses the function "Compare". | |
196 | /// Update the information for HitsForRec per chamber too. | |
197 | Int_t ch, nhits, prevch; | |
198 | fHitsForRecPtr->Sort(); | |
199 | for (ch = 0; ch < AliMUONConstants::NTrackingCh(); ch++) { | |
200 | fNHitsForRecPerChamber[ch] = 0; | |
201 | fIndexOfFirstHitForRecPerChamber[ch] = 0; | |
202 | } | |
203 | prevch = 0; // previous chamber | |
204 | nhits = 0; // number of hits in current chamber | |
205 | // Loop over HitsForRec | |
206 | for (Int_t hit = 0; hit < fNHitsForRec; hit++) { | |
207 | // chamber number (0...) | |
208 | ch = ((AliMUONHitForRec*) ((*fHitsForRecPtr)[hit]))->GetChamberNumber(); | |
209 | // increment number of hits in current chamber | |
210 | (fNHitsForRecPerChamber[ch])++; | |
211 | // update index of first HitForRec in current chamber | |
212 | // if chamber number different from previous one | |
213 | if (ch != prevch) { | |
214 | fIndexOfFirstHitForRecPerChamber[ch] = hit; | |
215 | prevch = ch; | |
216 | } | |
217 | } | |
218 | return; | |
219 | } | |
220 | ||
221 | //__________________________________________________________________________ | |
208f139e | 222 | TClonesArray* AliMUONVTrackReconstructor::MakeSegmentsInStation(Int_t station) |
8d0843c6 | 223 | { |
208f139e | 224 | /// To make the list of segments in station(0..) "Station" from the list of hits to be reconstructed. |
225 | /// Return a new TClonesArray of segments. | |
226 | /// It is the responsibility of the user to delete it afterward. | |
227 | AliDebug(1,Form("Enter MakeSegmentsPerStation (0...) %d",station)); | |
228 | ||
8d0843c6 | 229 | AliMUONHitForRec *hit1Ptr, *hit2Ptr; |
208f139e | 230 | AliMUONObjectPair *segment; |
231 | Double_t bendingSlope, distBend, distNonBend, extBendCoor, extNonBendCoor, extrapFact; | |
232 | Double_t impactParam = 0., bendingMomentum = 0.; // to avoid compilation warning | |
8d0843c6 | 233 | // first and second chambers (0...) in the station |
208f139e | 234 | Int_t ch1 = 2 * station; |
8d0843c6 | 235 | Int_t ch2 = ch1 + 1; |
208f139e | 236 | // list of segments |
237 | TClonesArray *segments = new TClonesArray("AliMUONObjectPair", fNHitsForRecPerChamber[ch2]); | |
238 | // Loop over HitForRec's in the first chamber of the station | |
8d0843c6 | 239 | for (Int_t hit1 = fIndexOfFirstHitForRecPerChamber[ch1]; |
240 | hit1 < fIndexOfFirstHitForRecPerChamber[ch1] + fNHitsForRecPerChamber[ch1]; | |
241 | hit1++) { | |
242 | // pointer to the HitForRec | |
243 | hit1Ptr = (AliMUONHitForRec*) ((*fHitsForRecPtr)[hit1]); | |
208f139e | 244 | // extrapolation, on the straight line joining the HitForRec to the vertex (0,0,0), |
245 | // to the Z of the HitForRec in the second chamber of the station | |
246 | // Loop over HitsForRec's in the second chamber of the station | |
8d0843c6 | 247 | for (Int_t hit2 = fIndexOfFirstHitForRecPerChamber[ch2]; |
248 | hit2 < fIndexOfFirstHitForRecPerChamber[ch2] + fNHitsForRecPerChamber[ch2]; | |
249 | hit2++) { | |
250 | // pointer to the HitForRec | |
251 | hit2Ptr = (AliMUONHitForRec*) ((*fHitsForRecPtr)[hit2]); | |
252 | // absolute values of distances, in bending and non bending planes, | |
253 | // between the HitForRec in the second chamber | |
254 | // and the previous extrapolation | |
255 | extrapFact = hit2Ptr->GetZ()/ hit1Ptr->GetZ(); | |
256 | extBendCoor = extrapFact * hit1Ptr->GetBendingCoor(); | |
257 | extNonBendCoor = extrapFact * hit1Ptr->GetNonBendingCoor(); | |
258 | distBend = TMath::Abs(hit2Ptr->GetBendingCoor() - extBendCoor); | |
259 | distNonBend = TMath::Abs(hit2Ptr->GetNonBendingCoor() - extNonBendCoor); | |
208f139e | 260 | // bending slope |
261 | if ( hit1Ptr->GetZ() - hit2Ptr->GetZ() != 0. ) { | |
262 | bendingSlope = (hit1Ptr->GetBendingCoor() - hit2Ptr->GetBendingCoor()) / (hit1Ptr->GetZ() - hit2Ptr->GetZ()); | |
263 | // impact parameter | |
264 | impactParam = hit1Ptr->GetBendingCoor() - hit1Ptr->GetZ() * bendingSlope; | |
265 | // absolute value of bending momentum | |
266 | bendingMomentum = TMath::Abs(AliMUONTrackExtrap::GetBendingMomentumFromImpactParam(impactParam)); | |
267 | } else { | |
268 | AliWarning("hit1Ptr->GetZ() = hit2Ptr->GetZ(): no segment created"); | |
269 | continue; | |
270 | } | |
8d0843c6 | 271 | // check for distances not too large, |
272 | // and impact parameter not too big if stations downstream of the dipole. | |
273 | // Conditions "distBend" and "impactParam" correlated for these stations ???? | |
208f139e | 274 | if ((distBend < fSegmentMaxDistBending[station]) && (distNonBend < fSegmentMaxDistNonBending[station]) && |
275 | (bendingMomentum < fMaxBendingMomentum) && (bendingMomentum > fMinBendingMomentum)) { | |
8d0843c6 | 276 | // make new segment |
208f139e | 277 | segment = new ((*segments)[segments->GetLast()+1]) AliMUONObjectPair(hit1Ptr, hit2Ptr, kFALSE, kFALSE); |
8d0843c6 | 278 | if (AliLog::GetGlobalDebugLevel() > 1) { |
208f139e | 279 | cout << "segmentIndex(0...): " << segments->GetLast() |
8d0843c6 | 280 | << " distBend: " << distBend |
281 | << " distNonBend: " << distNonBend | |
282 | << endl; | |
283 | segment->Dump(); | |
284 | cout << "HitForRec in first chamber" << endl; | |
285 | hit1Ptr->Dump(); | |
286 | cout << "HitForRec in second chamber" << endl; | |
287 | hit2Ptr->Dump(); | |
208f139e | 288 | } |
8d0843c6 | 289 | } |
290 | } //for (Int_t hit2 | |
291 | } // for (Int_t hit1... | |
208f139e | 292 | AliDebug(1,Form("Station: %d NSegments: %d ", station, segments->GetEntriesFast())); |
293 | return segments; | |
8d0843c6 | 294 | } |
295 | ||
296 | //__________________________________________________________________________ | |
297 | void AliMUONVTrackReconstructor::ValidateTracksWithTrigger(void) | |
298 | { | |
299 | /// Try to match track from tracking system with trigger track | |
06ca6d7b | 300 | static const Double_t kDistSigma[3]={1,1,0.02}; // sigma of distributions (trigger-track) X,Y,slopeY |
208f139e | 301 | |
8d0843c6 | 302 | AliMUONTrack *track; |
303 | AliMUONTrackParam trackParam; | |
304 | AliMUONTriggerTrack *triggerTrack; | |
305 | ||
306 | fMUONData->SetTreeAddress("RL"); | |
307 | fMUONData->GetRecTriggerTracks(); | |
308 | TClonesArray *recTriggerTracks = fMUONData->RecTriggerTracks(); | |
309 | ||
310 | Bool_t matchTrigger; | |
c6ba19f7 | 311 | Int_t loTrgNum; |
8d0843c6 | 312 | Double_t distTriggerTrack[3]; |
208f139e | 313 | Double_t xTrack, yTrack, ySlopeTrack, chi2MatchTrigger, minChi2MatchTrigger, chi2; |
8d0843c6 | 314 | |
315 | track = (AliMUONTrack*) fRecTracksPtr->First(); | |
316 | while (track) { | |
317 | matchTrigger = kFALSE; | |
318 | chi2MatchTrigger = 0.; | |
c6ba19f7 | 319 | loTrgNum = -1; |
320 | ||
8d0843c6 | 321 | trackParam = *((AliMUONTrackParam*) (track->GetTrackParamAtHit()->Last())); |
37827b29 | 322 | AliMUONTrackExtrap::ExtrapToZ(&trackParam, AliMUONConstants::DefaultChamberZ(10)); // extrap to 1st trigger chamber |
8d0843c6 | 323 | |
324 | xTrack = trackParam.GetNonBendingCoor(); | |
325 | yTrack = trackParam.GetBendingCoor(); | |
326 | ySlopeTrack = trackParam.GetBendingSlope(); | |
208f139e | 327 | minChi2MatchTrigger = 999.; |
8d0843c6 | 328 | |
329 | triggerTrack = (AliMUONTriggerTrack*) recTriggerTracks->First(); | |
330 | while(triggerTrack){ | |
06ca6d7b | 331 | distTriggerTrack[0] = (triggerTrack->GetX11()-xTrack)/kDistSigma[0]; |
332 | distTriggerTrack[1] = (triggerTrack->GetY11()-yTrack)/kDistSigma[1]; | |
333 | distTriggerTrack[2] = (TMath::Tan(triggerTrack->GetThetay())-ySlopeTrack)/kDistSigma[2]; | |
208f139e | 334 | chi2 = 0.; |
335 | for (Int_t iVar = 0; iVar < 3; iVar++) chi2 += distTriggerTrack[iVar]*distTriggerTrack[iVar]; | |
336 | chi2 /= 3.; // Normalized Chi2: 3 degrees of freedom (X,Y,slopeY) | |
337 | if (chi2 < minChi2MatchTrigger && chi2 < fMaxNormChi2MatchTrigger) { | |
338 | minChi2MatchTrigger = chi2; | |
8d0843c6 | 339 | matchTrigger = kTRUE; |
208f139e | 340 | chi2MatchTrigger = chi2; |
42ef0c18 | 341 | loTrgNum=triggerTrack->GetLoTrgNum(); |
8d0843c6 | 342 | } |
343 | triggerTrack = (AliMUONTriggerTrack*) recTriggerTracks->After(triggerTrack); | |
344 | } | |
345 | ||
346 | track->SetMatchTrigger(matchTrigger); | |
c6ba19f7 | 347 | track->SetLoTrgNum(loTrgNum); |
8d0843c6 | 348 | track->SetChi2MatchTrigger(chi2MatchTrigger); |
8d0843c6 | 349 | track = (AliMUONTrack*) fRecTracksPtr->After(track); |
350 | } | |
351 | ||
352 | return; | |
353 | } | |
354 | ||
355 | //__________________________________________________________________________ | |
356 | void AliMUONVTrackReconstructor::EventReconstructTrigger(void) | |
357 | { | |
358 | /// To reconstruct trigger for one event | |
359 | AliDebug(1,"Enter EventReconstructTrigger"); | |
360 | MakeTriggerTracks(); | |
361 | return; | |
362 | } | |
363 | ||
364 | //__________________________________________________________________________ | |
365 | Bool_t AliMUONVTrackReconstructor::MakeTriggerTracks(void) | |
366 | { | |
367 | // To make the trigger tracks from Local Trigger | |
368 | AliDebug(1, "Enter MakeTriggerTracks"); | |
e6b25a6e | 369 | |
370 | TTree* treeR; | |
e6b25a6e | 371 | UChar_t gloTrigPat; |
372 | TClonesArray *localTrigger; | |
373 | TClonesArray *globalTrigger; | |
374 | AliMUONLocalTrigger *locTrg; | |
375 | AliMUONGlobalTrigger *gloTrg; | |
376 | ||
377 | treeR = fMUONData->TreeR(); | |
378 | if (!treeR) { | |
379 | AliWarning("TreeR is not loaded"); | |
380 | return kFALSE; | |
381 | } | |
382 | ||
e6b25a6e | 383 | fMUONData->SetTreeAddress("TC"); |
384 | fMUONData->GetTrigger(); | |
8d0843c6 | 385 | |
e6b25a6e | 386 | // global trigger for trigger pattern |
387 | gloTrigPat = 0; | |
388 | globalTrigger = fMUONData->GlobalTrigger(); | |
389 | gloTrg = (AliMUONGlobalTrigger*)globalTrigger->UncheckedAt(0); | |
8d0843c6 | 390 | |
e6b25a6e | 391 | if (gloTrg) |
392 | gloTrigPat = gloTrg->GetGlobalResponse(); | |
393 | ||
394 | ||
395 | // local trigger for tracking | |
396 | localTrigger = fMUONData->LocalTrigger(); | |
397 | Int_t nlocals = (Int_t) (localTrigger->GetEntries()); | |
8d0843c6 | 398 | |
e6b25a6e | 399 | Float_t z11 = AliMUONConstants::DefaultChamberZ(10); |
400 | Float_t z21 = AliMUONConstants::DefaultChamberZ(12); | |
401 | ||
402 | Float_t y11 = 0.; | |
403 | Int_t stripX21 = 0; | |
404 | Float_t y21 = 0.; | |
405 | Float_t x11 = 0.; | |
406 | ||
407 | for (Int_t i=0; i<nlocals; i++) { // loop on Local Trigger | |
408 | locTrg = (AliMUONLocalTrigger*)localTrigger->UncheckedAt(i); | |
409 | ||
410 | AliDebug(1, "AliMUONTrackReconstructor::MakeTriggerTrack using NEW trigger \n"); | |
411 | AliMUONTriggerCircuit* circuit = | |
412 | (AliMUONTriggerCircuit*)fTriggerCircuit->At(locTrg->LoCircuit()-1); // -1 !!! | |
413 | ||
414 | y11 = circuit->GetY11Pos(locTrg->LoStripX()); | |
415 | stripX21 = locTrg->LoStripX()+locTrg->LoDev()+1; | |
416 | y21 = circuit->GetY21Pos(stripX21); | |
417 | x11 = circuit->GetX11Pos(locTrg->LoStripY()); | |
418 | ||
419 | AliDebug(1, Form(" MakeTriggerTrack %d %d %d %d %d %f %f %f \n",i,locTrg->LoCircuit(), | |
420 | locTrg->LoStripX(),locTrg->LoStripX()+locTrg->LoDev()+1,locTrg->LoStripY(),y11, y21, x11)); | |
421 | ||
422 | Float_t thetax = TMath::ATan2( x11 , z11 ); | |
423 | Float_t thetay = TMath::ATan2( (y21-y11) , (z21-z11) ); | |
424 | ||
425 | fTriggerTrack->SetX11(x11); | |
426 | fTriggerTrack->SetY11(y11); | |
427 | fTriggerTrack->SetThetax(thetax); | |
428 | fTriggerTrack->SetThetay(thetay); | |
429 | fTriggerTrack->SetGTPattern(gloTrigPat); | |
c6ba19f7 | 430 | fTriggerTrack->SetLoTrgNum(i); |
e6b25a6e | 431 | |
432 | fMUONData->AddRecTriggerTrack(*fTriggerTrack); | |
433 | } // end of loop on Local Trigger | |
434 | ||
435 | return kTRUE; | |
8d0843c6 | 436 | } |
437 | ||
438 | //__________________________________________________________________________ | |
439 | void AliMUONVTrackReconstructor::EventDumpTrigger(void) | |
440 | { | |
441 | /// Dump reconstructed trigger event | |
442 | /// and the particle parameters | |
443 | AliMUONTriggerTrack *triggertrack ; | |
444 | Int_t nTriggerTracks = fMUONData->RecTriggerTracks()->GetEntriesFast(); | |
445 | ||
446 | AliDebug(1, "****** enter EventDumpTrigger ******"); | |
447 | AliDebug(1, Form("Number of Reconstructed tracks : %d ", nTriggerTracks)); | |
448 | ||
449 | // Loop over reconstructed tracks | |
450 | for (Int_t trackIndex = 0; trackIndex < nTriggerTracks; trackIndex++) { | |
451 | triggertrack = (AliMUONTriggerTrack*)fMUONData->RecTriggerTracks()->At(trackIndex); | |
452 | printf(" trigger track number %i x11=%f y11=%f thetax=%f thetay=%f \n", | |
453 | trackIndex, | |
454 | triggertrack->GetX11(),triggertrack->GetY11(), | |
455 | triggertrack->GetThetax(),triggertrack->GetThetay()); | |
456 | } | |
457 | } | |
458 |