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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 | //--------------------------------------------------------------------// | |
17 | // // | |
18 | // AliTOFtracker Class // | |
19 | // Task: Perform association of the ESD tracks to TOF Clusters // | |
20 | // and Update ESD track with associated TOF Cluster parameters // | |
21 | // // | |
22 | // -- Authors : S. Arcelli, C. Zampolli (Bologna University and INFN) // | |
23 | // -- Contacts: Annalisa.De.Caro@cern.ch // | |
24 | // -- : Chiara.Zampolli@bo.infn.it // | |
25 | // -- : Silvia.Arcelli@bo.infn.it // | |
26 | // // | |
27 | //--------------------------------------------------------------------// | |
28 | ||
29 | #include <Rtypes.h> | |
30 | #include <TROOT.h> | |
31 | ||
32 | #include <TSeqCollection.h> | |
33 | #include <TClonesArray.h> | |
34 | #include <TObjArray.h> | |
35 | #include <TGeoManager.h> | |
36 | #include <TTree.h> | |
37 | #include <TFile.h> | |
38 | #include <TH2F.h> | |
39 | ||
40 | #include "AliGeomManager.h" | |
41 | #include "AliESDtrack.h" | |
42 | #include "AliESDEvent.h" | |
43 | #include "AliESDpid.h" | |
44 | #include "AliLog.h" | |
45 | #include "AliTrackPointArray.h" | |
46 | #include "AliCDBManager.h" | |
47 | ||
48 | //#include "AliTOFpidESD.h" | |
49 | #include "AliTOFRecoParam.h" | |
50 | #include "AliTOFReconstructor.h" | |
51 | #include "AliTOFcluster.h" | |
52 | #include "AliTOFGeometry.h" | |
53 | #include "AliTOFtracker.h" | |
54 | #include "AliTOFtrack.h" | |
55 | ||
56 | extern TGeoManager *gGeoManager; | |
57 | extern TROOT *gROOT; | |
58 | ||
59 | ||
60 | ClassImp(AliTOFtracker) | |
61 | ||
62 | //_____________________________________________________________________________ | |
63 | AliTOFtracker::AliTOFtracker(): | |
64 | fkRecoParam(0x0), | |
65 | fGeom(0x0), | |
66 | fN(0), | |
67 | fNseeds(0), | |
68 | fNseedsTOF(0), | |
69 | fngoodmatch(0), | |
70 | fnbadmatch(0), | |
71 | fnunmatch(0), | |
72 | fnmatch(0), | |
73 | fTracks(new TClonesArray("AliTOFtrack")), | |
74 | fSeeds(new TObjArray(100)), | |
75 | fTOFtrackPoints(new TObjArray(10)), | |
76 | fHDigClusMap(0x0), | |
77 | fHDigNClus(0x0), | |
78 | fHDigClusTime(0x0), | |
79 | fHDigClusToT(0x0), | |
80 | fHRecNClus(0x0), | |
81 | fHRecDist(0x0), | |
82 | fHRecSigYVsP(0x0), | |
83 | fHRecSigZVsP(0x0), | |
84 | fHRecSigYVsPWin(0x0), | |
85 | fHRecSigZVsPWin(0x0), | |
86 | fCalTree(0x0), | |
87 | fIch(-1), | |
88 | fToT(-1.), | |
89 | fTime(-1.), | |
90 | fExpTimePi(-1.), | |
91 | fExpTimeKa(-1.), | |
92 | fExpTimePr(-1.) | |
93 | { | |
94 | //AliTOFtracker main Ctor | |
95 | ||
96 | for (Int_t ii=0; ii<kMaxCluster; ii++) fClusters[ii]=0x0; | |
97 | ||
98 | // Getting the geometry | |
99 | fGeom = new AliTOFGeometry(); | |
100 | ||
101 | InitCheckHists(); | |
102 | ||
103 | } | |
104 | //_____________________________________________________________________________ | |
105 | AliTOFtracker::~AliTOFtracker() { | |
106 | // | |
107 | // Dtor | |
108 | // | |
109 | ||
110 | SaveCheckHists(); | |
111 | ||
112 | if(!(AliCDBManager::Instance()->GetCacheFlag())){ | |
113 | delete fkRecoParam; | |
114 | } | |
115 | delete fGeom; | |
116 | delete fHDigClusMap; | |
117 | delete fHDigNClus; | |
118 | delete fHDigClusTime; | |
119 | delete fHDigClusToT; | |
120 | delete fHRecNClus; | |
121 | delete fHRecDist; | |
122 | delete fHRecSigYVsP; | |
123 | delete fHRecSigZVsP; | |
124 | delete fHRecSigYVsPWin; | |
125 | delete fHRecSigZVsPWin; | |
126 | delete fCalTree; | |
127 | if (fTracks){ | |
128 | fTracks->Delete(); | |
129 | delete fTracks; | |
130 | fTracks=0x0; | |
131 | } | |
132 | if (fSeeds){ | |
133 | fSeeds->Delete(); | |
134 | delete fSeeds; | |
135 | fSeeds=0x0; | |
136 | } | |
137 | if (fTOFtrackPoints){ | |
138 | fTOFtrackPoints->Delete(); | |
139 | delete fTOFtrackPoints; | |
140 | fTOFtrackPoints=0x0; | |
141 | } | |
142 | ||
143 | for (Int_t ii=0; ii<kMaxCluster; ii++) | |
144 | if (fClusters[ii]) fClusters[ii]->Delete(); | |
145 | ||
146 | } | |
147 | //_____________________________________________________________________________ | |
148 | void AliTOFtracker::GetPidSettings(AliESDpid *esdPID) { | |
149 | // | |
150 | // Sets TOF resolution from RecoParams | |
151 | // | |
152 | if (fkRecoParam) | |
153 | esdPID->GetTOFResponse().SetTimeResolution(fkRecoParam->GetTimeResolution()); | |
154 | else | |
155 | AliWarning("fkRecoParam not yet set; cannot set PID settings"); | |
156 | } | |
157 | //_____________________________________________________________________________ | |
158 | Int_t AliTOFtracker::PropagateBack(AliESDEvent * const event) { | |
159 | // | |
160 | // Gets seeds from ESD event and Match with TOF Clusters | |
161 | // | |
162 | ||
163 | // initialize RecoParam for current event | |
164 | AliDebug(1,"Initializing params for TOF"); | |
165 | ||
166 | fkRecoParam = AliTOFReconstructor::GetRecoParam(); // instantiate reco param from STEER... | |
167 | ||
168 | if (fkRecoParam == 0x0) { | |
169 | AliFatal("No Reco Param found for TOF!!!"); | |
170 | } | |
171 | //fkRecoParam->Dump(); | |
172 | //if(fkRecoParam->GetApplyPbPbCuts())fkRecoParam=fkRecoParam->GetPbPbparam(); | |
173 | //fkRecoParam->PrintParameters(); | |
174 | ||
175 | //Initialise some counters | |
176 | ||
177 | fNseeds=0; | |
178 | fNseedsTOF=0; | |
179 | fngoodmatch=0; | |
180 | fnbadmatch=0; | |
181 | fnunmatch=0; | |
182 | fnmatch=0; | |
183 | ||
184 | Int_t ntrk=event->GetNumberOfTracks(); | |
185 | fNseeds = ntrk; | |
186 | ||
187 | ||
188 | //Load ESD tracks into a local Array of ESD Seeds | |
189 | for (Int_t i=0; i<fNseeds; i++) | |
190 | fSeeds->AddLast(event->GetTrack(i)); | |
191 | ||
192 | //Prepare ESD tracks candidates for TOF Matching | |
193 | CollectESD(); | |
194 | ||
195 | //First Step with Strict Matching Criterion | |
196 | MatchTracks(kFALSE); | |
197 | ||
198 | //Second Step with Looser Matching Criterion | |
199 | MatchTracks(kTRUE); | |
200 | ||
201 | AliInfo(Form("Number of matched tracks = %d (good = %d, bad = %d)",fnmatch,fngoodmatch,fnbadmatch)); | |
202 | ||
203 | //Update the matched ESD tracks | |
204 | ||
205 | for (Int_t i=0; i<ntrk; i++) { | |
206 | AliESDtrack *t=event->GetTrack(i); | |
207 | AliESDtrack *seed =(AliESDtrack*)fSeeds->At(i); | |
208 | ||
209 | if ( (seed->GetStatus()&AliESDtrack::kTOFin)!=0 ) { | |
210 | t->SetStatus(AliESDtrack::kTOFin); | |
211 | //if(seed->GetTOFsignal()>0){ | |
212 | if ( (seed->GetStatus()&AliESDtrack::kTOFout)!=0 ) { | |
213 | t->SetStatus(AliESDtrack::kTOFout); | |
214 | t->SetTOFsignal(seed->GetTOFsignal()); | |
215 | t->SetTOFcluster(seed->GetTOFcluster()); | |
216 | t->SetTOFsignalToT(seed->GetTOFsignalToT()); | |
217 | t->SetTOFsignalRaw(seed->GetTOFsignalRaw()); | |
218 | t->SetTOFsignalDz(seed->GetTOFsignalDz()); | |
219 | t->SetTOFsignalDx(seed->GetTOFsignalDx()); | |
220 | t->SetTOFDeltaBC(seed->GetTOFDeltaBC()); | |
221 | t->SetTOFL0L1(seed->GetTOFL0L1()); | |
222 | t->SetTOFCalChannel(seed->GetTOFCalChannel()); | |
223 | Int_t tlab[3]; seed->GetTOFLabel(tlab); | |
224 | t->SetTOFLabel(tlab); | |
225 | ||
226 | Double_t alphaA = (Double_t)t->GetAlpha(); | |
227 | Double_t xA = (Double_t)t->GetX(); | |
228 | Double_t yA = (Double_t)t->GetY(); | |
229 | Double_t zA = (Double_t)t->GetZ(); | |
230 | Double_t p1A = (Double_t)t->GetSnp(); | |
231 | Double_t p2A = (Double_t)t->GetTgl(); | |
232 | Double_t p3A = (Double_t)t->GetSigned1Pt(); | |
233 | const Double_t *covA = (Double_t*)t->GetCovariance(); | |
234 | ||
235 | // Make attention, please: | |
236 | // AliESDtrack::fTOFInfo array does not be stored in the AliESDs.root file | |
237 | // it is there only for a check during the reconstruction step. | |
238 | Float_t info[10]; seed->GetTOFInfo(info); | |
239 | t->SetTOFInfo(info); | |
240 | AliDebug(3,Form(" distance=%f; residual in the pad reference frame: dX=%f, dZ=%f", info[0],info[1],info[2])); | |
241 | ||
242 | // Check done: | |
243 | // by calling the AliESDtrack::UpdateTrackParams, | |
244 | // the current track parameters are changed | |
245 | // and it could cause refit problems. | |
246 | // We need to update only the following track parameters: | |
247 | // the track length and expected times. | |
248 | // Removed AliESDtrack::UpdateTrackParams call | |
249 | // Called AliESDtrack::SetIntegratedTimes(...) and | |
250 | // AliESDtrack::SetIntegratedLength() routines. | |
251 | /* | |
252 | AliTOFtrack *track = new AliTOFtrack(*seed); | |
253 | t->UpdateTrackParams(track,AliESDtrack::kTOFout); // to be checked - AdC | |
254 | delete track; | |
255 | Double_t time[10]; t->GetIntegratedTimes(time); | |
256 | */ | |
257 | ||
258 | Double_t time[10]; seed->GetIntegratedTimes(time); | |
259 | t->SetIntegratedTimes(time); | |
260 | ||
261 | Double_t length = seed->GetIntegratedLength(); | |
262 | t->SetIntegratedLength(length); | |
263 | ||
264 | Double_t alphaB = (Double_t)t->GetAlpha(); | |
265 | Double_t xB = (Double_t)t->GetX(); | |
266 | Double_t yB = (Double_t)t->GetY(); | |
267 | Double_t zB = (Double_t)t->GetZ(); | |
268 | Double_t p1B = (Double_t)t->GetSnp(); | |
269 | Double_t p2B = (Double_t)t->GetTgl(); | |
270 | Double_t p3B = (Double_t)t->GetSigned1Pt(); | |
271 | const Double_t *covB = (Double_t*)t->GetCovariance(); | |
272 | AliDebug(2,"Track params -now(before)-:"); | |
273 | AliDebug(2,Form(" X: %f(%f), Y: %f(%f), Z: %f(%f) --- alpha: %f(%f)", | |
274 | xB,xA, | |
275 | yB,yA, | |
276 | zB,zA, | |
277 | alphaB,alphaA)); | |
278 | AliDebug(2,Form(" p1: %f(%f), p2: %f(%f), p3: %f(%f)", | |
279 | p1B,p1A, | |
280 | p2B,p2A, | |
281 | p3B,p3A)); | |
282 | AliDebug(2,Form(" cov1: %f(%f), cov2: %f(%f), cov3: %f(%f)" | |
283 | " cov4: %f(%f), cov5: %f(%f), cov6: %f(%f)" | |
284 | " cov7: %f(%f), cov8: %f(%f), cov9: %f(%f)" | |
285 | " cov10: %f(%f), cov11: %f(%f), cov12: %f(%f)" | |
286 | " cov13: %f(%f), cov14: %f(%f), cov15: %f(%f)", | |
287 | covB[0],covA[0], | |
288 | covB[1],covA[1], | |
289 | covB[2],covA[2], | |
290 | covB[3],covA[3], | |
291 | covB[4],covA[4], | |
292 | covB[5],covA[5], | |
293 | covB[6],covA[6], | |
294 | covB[7],covA[7], | |
295 | covB[8],covA[8], | |
296 | covB[9],covA[9], | |
297 | covB[10],covA[10], | |
298 | covB[11],covA[11], | |
299 | covB[12],covA[12], | |
300 | covB[13],covA[13], | |
301 | covB[14],covA[14] | |
302 | )); | |
303 | AliDebug(3,Form(" TOF params: %6d %f %f %f %f %f %6d %3d %f %f %f %f %f %f", | |
304 | i, | |
305 | t->GetTOFsignalRaw(), | |
306 | t->GetTOFsignal(), | |
307 | t->GetTOFsignalToT(), | |
308 | t->GetTOFsignalDz(), | |
309 | t->GetTOFsignalDx(), | |
310 | t->GetTOFCalChannel(), | |
311 | t->GetTOFcluster(), | |
312 | t->GetIntegratedLength(), | |
313 | time[0], time[1], time[2], time[3], time[4] | |
314 | ) | |
315 | ); | |
316 | } | |
317 | } | |
318 | } | |
319 | ||
320 | //Make TOF PID | |
321 | // Now done in AliESDpid | |
322 | // fPid->MakePID(event,timeZero); | |
323 | ||
324 | fSeeds->Clear(); | |
325 | //fTracks->Delete(); | |
326 | fTracks->Clear(); | |
327 | return 0; | |
328 | ||
329 | } | |
330 | //_________________________________________________________________________ | |
331 | void AliTOFtracker::CollectESD() { | |
332 | //prepare the set of ESD tracks to be matched to clusters in TOF | |
333 | ||
334 | Int_t seedsTOF1=0; | |
335 | Int_t seedsTOF3=0; | |
336 | Int_t seedsTOF2=0; | |
337 | ||
338 | TClonesArray &aTOFTrack = *fTracks; | |
339 | for (Int_t i=0; i<fNseeds; i++) { | |
340 | ||
341 | AliESDtrack *t =(AliESDtrack*)fSeeds->At(i); | |
342 | if ((t->GetStatus()&AliESDtrack::kTPCout)==0)continue; | |
343 | ||
344 | AliTOFtrack *track = new AliTOFtrack(*t); // New | |
345 | Float_t x = (Float_t)track->GetX(); //New | |
346 | ||
347 | // TRD 'good' tracks | |
348 | if ( ( (t->GetStatus()&AliESDtrack::kTRDout)!=0 ) ) { | |
349 | ||
350 | AliDebug(1,Form(" Before propagation till inner TOF radius, ESDtrackLength=%f, TOFtrackLength=%f",t->GetIntegratedLength(),track->GetIntegratedLength())); | |
351 | ||
352 | // TRD 'good' tracks, already propagated at 371 cm | |
353 | if( x >= AliTOFGeometry::Rmin() ) { | |
354 | ||
355 | if ( track->PropagateToInnerTOF() ) { | |
356 | ||
357 | AliDebug(1,Form(" TRD propagated track till rho = %fcm." | |
358 | " And then the track has been propagated till rho = %fcm.", | |
359 | x, (Float_t)track->GetX())); | |
360 | ||
361 | track->SetSeedIndex(i); | |
362 | t->UpdateTrackParams(track,AliESDtrack::kTOFin); | |
363 | new(aTOFTrack[fNseedsTOF]) AliTOFtrack(*track); | |
364 | fNseedsTOF++; | |
365 | seedsTOF1++; | |
366 | ||
367 | AliDebug(1,Form(" After propagation till inner TOF radius, ESDtrackLength=%f, TOFtrackLength=%f",t->GetIntegratedLength(),track->GetIntegratedLength())); | |
368 | } | |
369 | delete track; | |
370 | ||
371 | } | |
372 | else { // TRD 'good' tracks, propagated rho<371cm | |
373 | ||
374 | if ( track->PropagateToInnerTOF() ) { | |
375 | ||
376 | AliDebug(1,Form(" TRD propagated track till rho = %fcm." | |
377 | " And then the track has been propagated till rho = %fcm.", | |
378 | x, (Float_t)track->GetX())); | |
379 | ||
380 | track->SetSeedIndex(i); | |
381 | t->UpdateTrackParams(track,AliESDtrack::kTOFin); | |
382 | new(aTOFTrack[fNseedsTOF]) AliTOFtrack(*track); | |
383 | fNseedsTOF++; | |
384 | seedsTOF3++; | |
385 | ||
386 | AliDebug(1,Form(" After propagation till inner TOF radius, ESDtrackLength=%f, TOFtrackLength=%f",t->GetIntegratedLength(),track->GetIntegratedLength())); | |
387 | } | |
388 | delete track; | |
389 | ||
390 | } | |
391 | //delete track; | |
392 | } | |
393 | ||
394 | else { // Propagate the rest of TPCbp | |
395 | ||
396 | AliDebug(1,Form(" Before propagation till inner TOF radius, ESDtrackLength=%f, TOFtrackLength=%f",t->GetIntegratedLength(),track->GetIntegratedLength())); | |
397 | ||
398 | if ( track->PropagateToInnerTOF() ) { | |
399 | ||
400 | AliDebug(1,Form(" TPC propagated track till rho = %fcm." | |
401 | " And then the track has been propagated till rho = %fcm.", | |
402 | x, (Float_t)track->GetX())); | |
403 | ||
404 | track->SetSeedIndex(i); | |
405 | t->UpdateTrackParams(track,AliESDtrack::kTOFin); | |
406 | new(aTOFTrack[fNseedsTOF]) AliTOFtrack(*track); | |
407 | fNseedsTOF++; | |
408 | seedsTOF2++; | |
409 | ||
410 | AliDebug(1,Form(" After propagation till inner TOF radius, ESDtrackLength=%f, TOFtrackLength=%f",t->GetIntegratedLength(),track->GetIntegratedLength())); | |
411 | } | |
412 | delete track; | |
413 | } | |
414 | } | |
415 | ||
416 | AliInfo(Form("Number of TOF seeds = %d (kTRDout371 = %d, kTRDoutLess371 = %d, !kTRDout = %d)",fNseedsTOF,seedsTOF1,seedsTOF3,seedsTOF2)); | |
417 | ||
418 | // Sort according uncertainties on track position | |
419 | fTracks->Sort(); | |
420 | ||
421 | } | |
422 | ||
423 | //_________________________________________________________________________ | |
424 | void AliTOFtracker::MatchTracks( Bool_t mLastStep){ | |
425 | ||
426 | // Parameters used/regulating the reconstruction | |
427 | ||
428 | //static Float_t corrLen=0.;//0.75; | |
429 | static Float_t detDepth=18.; | |
430 | static Float_t padDepth=0.5; | |
431 | ||
432 | const Float_t kSpeedOfLight= 2.99792458e-2; // speed of light [cm/ps] | |
433 | const Float_t kTimeOffset = 0.; // time offset for tracking algorithm [ps] | |
434 | ||
435 | Float_t dY=AliTOFGeometry::XPad(); | |
436 | Float_t dZ=AliTOFGeometry::ZPad(); | |
437 | ||
438 | Float_t sensRadius = fkRecoParam->GetSensRadius(); | |
439 | Float_t stepSize = fkRecoParam->GetStepSize(); | |
440 | Float_t scaleFact = fkRecoParam->GetWindowScaleFact(); | |
441 | Float_t dyMax=fkRecoParam->GetWindowSizeMaxY(); | |
442 | Float_t dzMax=fkRecoParam->GetWindowSizeMaxZ(); | |
443 | Float_t dCut=fkRecoParam->GetDistanceCut(); | |
444 | if (dCut==3. && fNseedsTOF<=10) { | |
445 | dCut=10.; | |
446 | AliInfo(Form("Matching window=%f, since low multiplicity event (fNseedsTOF=%d)", | |
447 | dCut, fNseedsTOF)); | |
448 | } | |
449 | Double_t maxChi2=fkRecoParam->GetMaxChi2TRD(); | |
450 | Bool_t timeWalkCorr = fkRecoParam->GetTimeWalkCorr(); | |
451 | if(!mLastStep){ | |
452 | AliDebug(1,"++++++++++++++TOF Reconstruction Parameters:++++++++++++ \n"); | |
453 | AliDebug(1,Form("TOF sens radius: %f",sensRadius)); | |
454 | AliDebug(1,Form("TOF step size: %f",stepSize)); | |
455 | AliDebug(1,Form("TOF Window scale factor: %f",scaleFact)); | |
456 | AliDebug(1,Form("TOF Window max dy: %f",dyMax)); | |
457 | AliDebug(1,Form("TOF Window max dz: %f",dzMax)); | |
458 | AliDebug(1,Form("TOF distance Cut: %f",dCut)); | |
459 | AliDebug(1,Form("TOF Max Chi2: %f",maxChi2)); | |
460 | AliDebug(1,Form("Time Walk Correction? : %d",timeWalkCorr)); | |
461 | } | |
462 | ||
463 | //Match ESD tracks to clusters in TOF | |
464 | ||
465 | // Get the number of propagation steps | |
466 | Int_t nSteps=(Int_t)(detDepth/stepSize); | |
467 | AliDebug(1,Form(" Number of steps to be done %d",nSteps)); | |
468 | ||
469 | //PH Arrays (moved outside of the loop) | |
470 | Float_t * trackPos[4]; | |
471 | for (Int_t ii=0; ii<4; ii++) trackPos[ii] = new Float_t[nSteps]; | |
472 | Int_t * clind = new Int_t[fN]; | |
473 | ||
474 | // Some init | |
475 | const Int_t kNclusterMax = 1000; // related to fN value | |
476 | TGeoHMatrix global[kNclusterMax]; | |
477 | ||
478 | //The matching loop | |
479 | for (Int_t iseed=0; iseed<fNseedsTOF; iseed++) { | |
480 | ||
481 | fTOFtrackPoints->Delete(); | |
482 | ||
483 | for (Int_t ii=0; ii<kNclusterMax; ii++) | |
484 | global[ii] = 0x0; | |
485 | AliTOFtrack *track =(AliTOFtrack*)fTracks->UncheckedAt(iseed); | |
486 | AliESDtrack *t =(AliESDtrack*)fSeeds->At(track->GetSeedIndex()); | |
487 | //if ( t->GetTOFsignal()>0. ) continue; | |
488 | if ( (t->GetStatus()&AliESDtrack::kTOFout)!=0 ) continue; | |
489 | AliTOFtrack *trackTOFin = new AliTOFtrack(*track); | |
490 | ||
491 | // Determine a window around the track | |
492 | Double_t x,par[5]; | |
493 | trackTOFin->GetExternalParameters(x,par); | |
494 | Double_t cov[15]; | |
495 | trackTOFin->GetExternalCovariance(cov); | |
496 | ||
497 | if (cov[0]<0. || cov[2]<0.) { | |
498 | AliWarning(Form("Very strange track (%d)! At least one of its covariance matrix diagonal elements is negative!",iseed)); | |
499 | //delete trackTOFin; | |
500 | //continue; | |
501 | } | |
502 | ||
503 | Double_t dphi= | |
504 | scaleFact* | |
505 | ((5*TMath::Sqrt(TMath::Abs(cov[0])) + 0.5*dY + 2.5*TMath::Abs(par[2]))/sensRadius); | |
506 | Double_t dz= | |
507 | scaleFact* | |
508 | (5*TMath::Sqrt(TMath::Abs(cov[2])) + 0.5*dZ + 2.5*TMath::Abs(par[3])); | |
509 | ||
510 | Double_t phi=TMath::ATan2(par[0],x) + trackTOFin->GetAlpha(); | |
511 | if (phi<-TMath::Pi())phi+=2*TMath::Pi(); | |
512 | if (phi>=TMath::Pi())phi-=2*TMath::Pi(); | |
513 | Double_t z=par[1]; | |
514 | ||
515 | //upper limit on window's size. | |
516 | if (dz> dzMax) dz=dzMax; | |
517 | if (dphi*sensRadius> dyMax) dphi=dyMax/sensRadius; | |
518 | ||
519 | ||
520 | // find the clusters in the window of the track | |
521 | Int_t nc=0; | |
522 | for (Int_t k=FindClusterIndex(z-dz); k<fN; k++) { | |
523 | ||
524 | if (nc>=kNclusterMax) { | |
525 | AliWarning("No more matchable clusters can be stored! Please, increase the corresponding vectors size."); | |
526 | break; | |
527 | } | |
528 | ||
529 | AliTOFcluster *c=fClusters[k]; | |
530 | if (c->GetZ() > z+dz) break; | |
531 | if (c->IsUsed()) continue; | |
532 | if (!c->GetStatus()) { | |
533 | AliDebug(1,"Cluster in channel declared bad!"); | |
534 | continue; // skip bad channels as declared in OCDB | |
535 | } | |
536 | ||
537 | Double_t dph=TMath::Abs(c->GetPhi()-phi); | |
538 | if (dph>TMath::Pi()) dph-=2.*TMath::Pi(); | |
539 | if (TMath::Abs(dph)>dphi) continue; | |
540 | ||
541 | Double_t yc=(c->GetPhi() - trackTOFin->GetAlpha())*c->GetR(); | |
542 | Double_t p[2]={yc, c->GetZ()}; | |
543 | Double_t cov2[3]= {dY*dY/12., 0., dZ*dZ/12.}; | |
544 | if (trackTOFin->AliExternalTrackParam::GetPredictedChi2(p,cov2) > maxChi2)continue; | |
545 | ||
546 | clind[nc] = k; | |
547 | Char_t path[200]; | |
548 | Int_t ind[5]; | |
549 | ind[0]=c->GetDetInd(0); | |
550 | ind[1]=c->GetDetInd(1); | |
551 | ind[2]=c->GetDetInd(2); | |
552 | ind[3]=c->GetDetInd(3); | |
553 | ind[4]=c->GetDetInd(4); | |
554 | fGeom->GetVolumePath(ind,path); | |
555 | gGeoManager->cd(path); | |
556 | global[nc] = *gGeoManager->GetCurrentMatrix(); | |
557 | nc++; | |
558 | } | |
559 | ||
560 | AliDebug(1,Form(" Number of matchable TOF clusters for the track number %d: %d",iseed,nc)); | |
561 | ||
562 | if (nc == 0 ) { | |
563 | fnunmatch++; | |
564 | delete trackTOFin; | |
565 | continue; | |
566 | } | |
567 | ||
568 | //start fine propagation | |
569 | ||
570 | Int_t nStepsDone = 0; | |
571 | for( Int_t istep=0; istep<nSteps; istep++){ | |
572 | ||
573 | // First of all, propagate the track... | |
574 | Float_t xs = AliTOFGeometry::RinTOF()+istep*stepSize; | |
575 | if (!(trackTOFin->PropagateTo(xs))) break; | |
576 | ||
577 | // ...and then, if necessary, rotate the track | |
578 | Double_t ymax = xs*TMath::Tan(0.5*AliTOFGeometry::GetAlpha()); | |
579 | Double_t ysect = trackTOFin->GetY(); | |
580 | if (ysect > ymax) { | |
581 | if (!(trackTOFin->Rotate(AliTOFGeometry::GetAlpha()))) break; | |
582 | } else if (ysect <-ymax) { | |
583 | if (!(trackTOFin->Rotate(-AliTOFGeometry::GetAlpha()))) break; | |
584 | } | |
585 | ||
586 | nStepsDone++; | |
587 | AliDebug(2,Form(" current step %d (%d) - nStepsDone=%d",istep,nSteps,nStepsDone)); | |
588 | ||
589 | // store the running point (Globalrf) - fine propagation | |
590 | ||
591 | Double_t r[3]; | |
592 | trackTOFin->GetXYZ(r); | |
593 | trackPos[0][nStepsDone-1]= (Float_t) r[0]; | |
594 | trackPos[1][nStepsDone-1]= (Float_t) r[1]; | |
595 | trackPos[2][nStepsDone-1]= (Float_t) r[2]; | |
596 | trackPos[3][nStepsDone-1]= trackTOFin->GetIntegratedLength(); | |
597 | } | |
598 | ||
599 | ||
600 | #if 0 | |
601 | /*****************/ | |
602 | /**** OLD CODE ***/ | |
603 | /*****************/ | |
604 | ||
605 | Int_t nfound = 0; | |
606 | Bool_t accept = kFALSE; | |
607 | Bool_t isInside = kFALSE; | |
608 | for (Int_t istep=0; istep<nStepsDone; istep++) { | |
609 | ||
610 | Float_t ctrackPos[3]; | |
611 | ctrackPos[0] = trackPos[0][istep]; | |
612 | ctrackPos[1] = trackPos[1][istep]; | |
613 | ctrackPos[2] = trackPos[2][istep]; | |
614 | ||
615 | //now see whether the track matches any of the TOF clusters | |
616 | ||
617 | Float_t dist3d[3]; | |
618 | accept = kFALSE; | |
619 | for (Int_t i=0; i<nc; i++) { | |
620 | isInside = fGeom->IsInsideThePad((TGeoHMatrix*)(&global[i]),ctrackPos,dist3d); | |
621 | ||
622 | if ( mLastStep ) { | |
623 | Float_t yLoc = dist3d[1]; | |
624 | Float_t rLoc = TMath::Sqrt(dist3d[0]*dist3d[0]+dist3d[2]*dist3d[2]); | |
625 | accept = (TMath::Abs(yLoc)<padDepth*0.5 && rLoc<dCut); | |
626 | AliDebug(2," I am in the case mLastStep==kTRUE "); | |
627 | } | |
628 | else { | |
629 | accept = isInside; | |
630 | } | |
631 | if (accept) { | |
632 | ||
633 | fTOFtrackPoints->AddLast(new AliTOFtrackPoint(clind[i], | |
634 | TMath::Sqrt(dist3d[0]*dist3d[0] + dist3d[1]*dist3d[1] + dist3d[2]*dist3d[2]), | |
635 | dist3d[2],dist3d[0],dist3d[1], | |
636 | AliTOFGeometry::RinTOF()+istep*stepSize,trackPos[3][istep])); | |
637 | ||
638 | AliDebug(2,Form(" dist3dLoc[0] = %f, dist3dLoc[1] = %f, dist3dLoc[2] = %f ",dist3d[0],dist3d[1],dist3d[2])); | |
639 | nfound++; | |
640 | if(accept &&!mLastStep)break; | |
641 | }//end if accept | |
642 | ||
643 | } //end for on the clusters | |
644 | if(accept &&!mLastStep)break; | |
645 | } //end for on the steps | |
646 | ||
647 | /*****************/ | |
648 | /**** OLD CODE ***/ | |
649 | /*****************/ | |
650 | #endif | |
651 | ||
652 | AliDebug(1,Form(" Number of steps done for the track number %d: %d",iseed,nStepsDone)); | |
653 | ||
654 | if ( nStepsDone == 0 ) { | |
655 | fnunmatch++; | |
656 | delete trackTOFin; | |
657 | continue; | |
658 | } | |
659 | ||
660 | /*****************/ | |
661 | /**** NEW CODE ***/ | |
662 | /*****************/ | |
663 | ||
664 | Int_t nfound = 0; | |
665 | Bool_t accept = kFALSE; | |
666 | Bool_t isInside = kFALSE; | |
667 | for (Int_t istep=0; istep<nStepsDone; istep++) { | |
668 | ||
669 | Bool_t gotInsideCluster = kFALSE; | |
670 | Int_t trackInsideCluster = -1; | |
671 | ||
672 | Float_t ctrackPos[3]; | |
673 | ctrackPos[0] = trackPos[0][istep]; | |
674 | ctrackPos[1] = trackPos[1][istep]; | |
675 | ctrackPos[2] = trackPos[2][istep]; | |
676 | ||
677 | //now see whether the track matches any of the TOF clusters | |
678 | ||
679 | Float_t dist3d[3]={0.,0.,0.}; | |
680 | accept = kFALSE; | |
681 | for (Int_t i=0; i<nc; i++) { | |
682 | ||
683 | // ***** NEW ***** | |
684 | /* check whether track was inside another cluster | |
685 | * and in case inhibit this cluster. | |
686 | * this will allow to only go on and add track points for | |
687 | * that cluster where the track got inside first */ | |
688 | if (gotInsideCluster && trackInsideCluster != i) { | |
689 | AliDebug(2,Form(" A - istep=%d ~ %d %d ~ nfound=%d",istep,trackInsideCluster,i,nfound)); | |
690 | continue; | |
691 | } | |
692 | AliDebug(2,Form(" B - istep=%d ~ %d %d ~ nfound=%d",istep,trackInsideCluster,i,nfound)); | |
693 | ||
694 | /* check whether track is inside this cluster */ | |
695 | for (Int_t hh=0; hh<3; hh++) dist3d[hh]=0.; | |
696 | isInside = fGeom->IsInsideThePad((TGeoHMatrix*)(&global[i]),ctrackPos,dist3d); | |
697 | ||
698 | // ***** NEW ***** | |
699 | /* if track is inside this cluster set flags which will then | |
700 | * inhibit to add track points for the other clusters */ | |
701 | if (isInside) { | |
702 | gotInsideCluster = kTRUE; | |
703 | trackInsideCluster = i; | |
704 | } | |
705 | ||
706 | if ( mLastStep ) { | |
707 | Float_t yLoc = dist3d[1]; | |
708 | Float_t rLoc = TMath::Sqrt(dist3d[0]*dist3d[0]+dist3d[2]*dist3d[2]); | |
709 | accept = (TMath::Abs(yLoc)<padDepth*0.5 && rLoc<dCut); | |
710 | AliDebug(2," I am in the case mLastStep==kTRUE "); | |
711 | } | |
712 | ||
713 | //***** NEW ***** | |
714 | /* add point everytime that: | |
715 | * - the track is inside the cluster | |
716 | * - the track got inside the cluster, even when it eventually exited the cluster | |
717 | * - the tracks is within dCut from the cluster | |
718 | */ | |
719 | if (accept || isInside || gotInsideCluster) { | |
720 | ||
721 | fTOFtrackPoints->AddLast(new AliTOFtrackPoint(clind[i], | |
722 | TMath::Sqrt(dist3d[0]*dist3d[0] + dist3d[1]*dist3d[1] + dist3d[2]*dist3d[2]), | |
723 | dist3d[2],dist3d[0],dist3d[1], | |
724 | AliTOFGeometry::RinTOF()+istep*stepSize,trackPos[3][istep])); | |
725 | ||
726 | AliDebug(2,Form(" dist3dLoc[0] = %f, dist3dLoc[1] = %f, dist3dLoc[2] = %f ",dist3d[0],dist3d[1],dist3d[2])); | |
727 | nfound++; | |
728 | ||
729 | AliDebug(2,Form(" C - istep=%d ~ %d %d ~ nfound=%d",istep,trackInsideCluster,i,nfound)); | |
730 | ||
731 | // ***** NEW ***** | |
732 | /* do not break loop in any case | |
733 | * if the track got inside a cluster all other clusters | |
734 | * are inhibited */ | |
735 | // if(accept &&!mLastStep)break; | |
736 | ||
737 | }//end if accept | |
738 | ||
739 | } //end for on the clusters | |
740 | ||
741 | // ***** NEW ***** | |
742 | /* do not break loop in any case | |
743 | * if the track got inside a cluster all other clusters | |
744 | * are inhibited but we want to go on adding track points */ | |
745 | // if(accept &&!mLastStep)break; | |
746 | ||
747 | } //end for on the steps | |
748 | ||
749 | ||
750 | AliDebug(1,Form(" Number of track points for the track number %d: %d",iseed,nfound)); | |
751 | ||
752 | if (nfound == 0 ) { | |
753 | fnunmatch++; | |
754 | delete trackTOFin; | |
755 | continue; | |
756 | } | |
757 | ||
758 | // now choose the cluster to be matched with the track. | |
759 | ||
760 | Int_t idclus=-1; | |
761 | Float_t recL = 0.; | |
762 | Float_t xpos=0.; | |
763 | Float_t mindist=1000.; | |
764 | Float_t mindistZ=0.; | |
765 | Float_t mindistY=0.; | |
766 | Float_t mindistX=stepSize; | |
767 | for (Int_t iclus= 0; iclus<nfound;iclus++) { | |
768 | AliTOFtrackPoint *matchableTOFcluster = (AliTOFtrackPoint*)fTOFtrackPoints->At(iclus); | |
769 | //if ( matchableTOFcluster->Distance()<mindist ) { | |
770 | if ( TMath::Abs(matchableTOFcluster->DistanceX())<TMath::Abs(mindistX) && | |
771 | TMath::Abs(matchableTOFcluster->DistanceX())<=stepSize ) { | |
772 | mindist = matchableTOFcluster->Distance(); | |
773 | mindistZ = matchableTOFcluster->DistanceZ(); // Z distance in the | |
774 | // RF of the hit pad | |
775 | // closest to the | |
776 | // reconstructed | |
777 | // track | |
778 | mindistY = matchableTOFcluster->DistanceY(); // Y distance in the | |
779 | // RF of the hit pad | |
780 | // closest to the | |
781 | // reconstructed | |
782 | // track | |
783 | mindistX = matchableTOFcluster->DistanceX(); // X distance in the | |
784 | // RF of the hit pad | |
785 | // closest to the | |
786 | // reconstructed | |
787 | // track | |
788 | xpos = matchableTOFcluster->PropRadius(); | |
789 | idclus = matchableTOFcluster->Index(); | |
790 | recL = matchableTOFcluster->Length();// + corrLen*0.5; | |
791 | ||
792 | AliDebug(1,Form(" %d(%d) --- %f (%f, %f, %f), step=%f -- idclus=%d --- seed=%d, trackId=%d, trackLab=%d", iclus,nfound, | |
793 | mindist,mindistX,mindistY,mindistZ,stepSize,idclus,iseed,track->GetSeedIndex(),track->GetLabel())); | |
794 | ||
795 | } | |
796 | } // loop on found TOF track points | |
797 | ||
798 | if (TMath::Abs(mindistX)>stepSize && idclus!=-1) { | |
799 | AliInfo(Form("--------Not matched --- but idclus=%d, trackId=%d, trackLab=%d", | |
800 | idclus,track->GetSeedIndex(),track->GetLabel())); | |
801 | idclus=-1; | |
802 | } | |
803 | ||
804 | if (idclus==-1) { | |
805 | AliDebug(1,Form("Reconstructed track %d doesn't match any TOF cluster", iseed)); | |
806 | fnunmatch++; | |
807 | delete trackTOFin; | |
808 | continue; | |
809 | } | |
810 | ||
811 | AliDebug(1,"--------Matched"); | |
812 | ||
813 | fnmatch++; | |
814 | ||
815 | AliTOFcluster *c=fClusters[idclus]; | |
816 | ||
817 | AliDebug(2, Form("%7d %7d %10d %10d %10d %10d %7d", | |
818 | iseed, | |
819 | fnmatch-1, | |
820 | TMath::Abs(trackTOFin->GetLabel()), | |
821 | c->GetLabel(0), c->GetLabel(1), c->GetLabel(2), | |
822 | idclus)); // AdC | |
823 | ||
824 | c->Use(); | |
825 | ||
826 | // Track length correction for matching Step 2 | |
827 | /* | |
828 | if (mLastStep) { | |
829 | Float_t rc = TMath::Sqrt(c->GetR()*c->GetR() + c->GetZ()*c->GetZ()); | |
830 | Float_t rt = TMath::Sqrt(trackPos[0][70]*trackPos[0][70] | |
831 | +trackPos[1][70]*trackPos[1][70] | |
832 | +trackPos[2][70]*trackPos[2][70]); | |
833 | Float_t dlt=rc-rt; | |
834 | recL=trackPos[3][70]+dlt; | |
835 | } | |
836 | */ | |
837 | if ( | |
838 | (c->GetLabel(0)==TMath::Abs(trackTOFin->GetLabel())) | |
839 | || | |
840 | (c->GetLabel(1)==TMath::Abs(trackTOFin->GetLabel())) | |
841 | || | |
842 | (c->GetLabel(2)==TMath::Abs(trackTOFin->GetLabel())) | |
843 | ) { | |
844 | fngoodmatch++; | |
845 | ||
846 | AliDebug(2,Form(" track label good %5d",trackTOFin->GetLabel())); | |
847 | ||
848 | } | |
849 | else { | |
850 | fnbadmatch++; | |
851 | ||
852 | AliDebug(2,Form(" track label bad %5d",trackTOFin->GetLabel())); | |
853 | ||
854 | } | |
855 | ||
856 | delete trackTOFin; | |
857 | ||
858 | // Store quantities to be used in the TOF Calibration | |
859 | Float_t tToT=AliTOFGeometry::ToTBinWidth()*c->GetToT()*1E-3; // in ns | |
860 | t->SetTOFsignalToT(tToT); | |
861 | Float_t rawTime=AliTOFGeometry::TdcBinWidth()*c->GetTDCRAW()+kTimeOffset; // RAW time,in ps | |
862 | t->SetTOFsignalRaw(rawTime); | |
863 | t->SetTOFsignalDz(mindistZ); | |
864 | t->SetTOFsignalDx(mindistY); | |
865 | t->SetTOFDeltaBC(c->GetDeltaBC()); | |
866 | t->SetTOFL0L1(c->GetL0L1Latency()); | |
867 | ||
868 | Float_t info[10] = {mindist,mindistY,mindistZ, | |
869 | 0.,0.,0.,0.,0.,0.,0.}; | |
870 | t->SetTOFInfo(info); | |
871 | AliDebug(2,Form(" distance=%f; residual in the pad reference frame: dX=%f, dZ=%f", info[0],info[1],info[2])); | |
872 | ||
873 | ||
874 | Int_t ind[5]; | |
875 | ind[0]=c->GetDetInd(0); | |
876 | ind[1]=c->GetDetInd(1); | |
877 | ind[2]=c->GetDetInd(2); | |
878 | ind[3]=c->GetDetInd(3); | |
879 | ind[4]=c->GetDetInd(4); | |
880 | Int_t calindex = AliTOFGeometry::GetIndex(ind); | |
881 | t->SetTOFCalChannel(calindex); | |
882 | ||
883 | // keep track of the track labels in the matched cluster | |
884 | Int_t tlab[3]; | |
885 | tlab[0]=c->GetLabel(0); | |
886 | tlab[1]=c->GetLabel(1); | |
887 | tlab[2]=c->GetLabel(2); | |
888 | AliDebug(2,Form(" tdc time of the matched track %6d = ",c->GetTDC())); | |
889 | Double_t tof=AliTOFGeometry::TdcBinWidth()*c->GetTDC()+kTimeOffset; // in ps | |
890 | AliDebug(2,Form(" tof time of the matched track: %f = ",tof)); | |
891 | Double_t tofcorr=tof; | |
892 | if(timeWalkCorr)tofcorr=CorrectTimeWalk(mindistZ,tof); | |
893 | AliDebug(2,Form(" tof time of the matched track, after TW corr: %f = ",tofcorr)); | |
894 | //Set TOF time signal and pointer to the matched cluster | |
895 | t->SetTOFsignal(tofcorr); | |
896 | t->SetTOFcluster(idclus); // pointing to the recPoints tree | |
897 | ||
898 | AliDebug(2,Form(" Setting TOF raw time: %f, z distance: %f corrected time: %f ",rawTime,mindistZ,tofcorr)); | |
899 | ||
900 | //Tracking info | |
901 | Double_t time[AliPID::kSPECIES]; t->GetIntegratedTimes(time); // in ps | |
902 | Double_t mom=t->GetP(); | |
903 | AliDebug(2,Form(" Momentum for track %d -> %f", iseed,mom)); | |
904 | for (Int_t j=0;j<AliPID::kSPECIES;j++) { | |
905 | Double_t mass=AliPID::ParticleMass(j); | |
906 | time[j]+=(recL-trackPos[3][0])/kSpeedOfLight*TMath::Sqrt(mom*mom+mass*mass)/mom; | |
907 | } | |
908 | ||
909 | AliTOFtrack *trackTOFout = new AliTOFtrack(*t); | |
910 | if (!(trackTOFout->PropagateTo(xpos))) { | |
911 | delete trackTOFout; | |
912 | continue; | |
913 | } | |
914 | ||
915 | // If necessary, rotate the track | |
916 | Double_t yATxposMax=xpos*TMath::Tan(0.5*AliTOFGeometry::GetAlpha()); | |
917 | Double_t yATxpos=trackTOFout->GetY(); | |
918 | if (yATxpos > yATxposMax) { | |
919 | if (!(trackTOFout->Rotate(AliTOFGeometry::GetAlpha()))) { | |
920 | delete trackTOFout; | |
921 | continue; | |
922 | } | |
923 | } else if (yATxpos < -yATxposMax) { | |
924 | if (!(trackTOFout->Rotate(-AliTOFGeometry::GetAlpha()))) { | |
925 | delete trackTOFout; | |
926 | continue; | |
927 | } | |
928 | } | |
929 | ||
930 | // Fill the track residual histograms. | |
931 | FillResiduals(trackTOFout,c,kFALSE); | |
932 | ||
933 | t->UpdateTrackParams(trackTOFout,AliESDtrack::kTOFout); | |
934 | t->SetIntegratedLength(recL); | |
935 | t->SetIntegratedTimes(time); | |
936 | t->SetTOFLabel(tlab); | |
937 | ||
938 | ||
939 | // Fill Reco-QA histos for Reconstruction | |
940 | fHRecNClus->Fill(nc); | |
941 | fHRecDist->Fill(mindist); | |
942 | if (cov[0]>=0.) | |
943 | fHRecSigYVsP->Fill(mom,TMath::Sqrt(cov[0])); | |
944 | else | |
945 | fHRecSigYVsP->Fill(mom,-TMath::Sqrt(-cov[0])); | |
946 | if (cov[2]>=0.) | |
947 | fHRecSigZVsP->Fill(mom,TMath::Sqrt(cov[2])); | |
948 | else | |
949 | fHRecSigZVsP->Fill(mom,-TMath::Sqrt(-cov[2])); | |
950 | fHRecSigYVsPWin->Fill(mom,dphi*sensRadius); | |
951 | fHRecSigZVsPWin->Fill(mom,dz); | |
952 | ||
953 | // Fill Tree for on-the-fly offline Calibration | |
954 | ||
955 | if ( !((t->GetStatus() & AliESDtrack::kTIME)==0 ) ) { | |
956 | fIch=calindex; | |
957 | fToT=tToT; | |
958 | fTime=rawTime; | |
959 | fExpTimePi=time[2]; | |
960 | fExpTimeKa=time[3]; | |
961 | fExpTimePr=time[4]; | |
962 | fCalTree->Fill(); | |
963 | } | |
964 | delete trackTOFout; | |
965 | } | |
966 | ||
967 | for (Int_t ii=0; ii<4; ii++) delete [] trackPos[ii]; | |
968 | delete [] clind; | |
969 | ||
970 | } | |
971 | //_________________________________________________________________________ | |
972 | Int_t AliTOFtracker::LoadClusters(TTree *cTree) { | |
973 | //-------------------------------------------------------------------- | |
974 | //This function loads the TOF clusters | |
975 | //-------------------------------------------------------------------- | |
976 | ||
977 | Int_t npadX = AliTOFGeometry::NpadX(); | |
978 | Int_t npadZ = AliTOFGeometry::NpadZ(); | |
979 | Int_t nStripA = AliTOFGeometry::NStripA(); | |
980 | Int_t nStripB = AliTOFGeometry::NStripB(); | |
981 | Int_t nStripC = AliTOFGeometry::NStripC(); | |
982 | ||
983 | TBranch *branch=cTree->GetBranch("TOF"); | |
984 | if (!branch) { | |
985 | AliError("can't get the branch with the TOF clusters !"); | |
986 | return 1; | |
987 | } | |
988 | ||
989 | static TClonesArray dummy("AliTOFcluster",10000); | |
990 | dummy.Clear(); | |
991 | TClonesArray *clusters=&dummy; | |
992 | branch->SetAddress(&clusters); | |
993 | ||
994 | cTree->GetEvent(0); | |
995 | Int_t nc=clusters->GetEntriesFast(); | |
996 | fHDigNClus->Fill(nc); | |
997 | ||
998 | AliInfo(Form("Number of clusters: %d",nc)); | |
999 | ||
1000 | for (Int_t i=0; i<nc; i++) { | |
1001 | AliTOFcluster *c=(AliTOFcluster*)clusters->UncheckedAt(i); | |
1002 | //PH fClusters[i]=new AliTOFcluster(*c); fN++; | |
1003 | fClusters[i]=c; fN++; | |
1004 | ||
1005 | // Fill Digits QA histos | |
1006 | ||
1007 | Int_t isector = c->GetDetInd(0); | |
1008 | Int_t iplate = c->GetDetInd(1); | |
1009 | Int_t istrip = c->GetDetInd(2); | |
1010 | Int_t ipadX = c->GetDetInd(4); | |
1011 | Int_t ipadZ = c->GetDetInd(3); | |
1012 | ||
1013 | Float_t time =(AliTOFGeometry::TdcBinWidth()*c->GetTDC())*1E-3; // in ns | |
1014 | Float_t tot = (AliTOFGeometry::TdcBinWidth()*c->GetToT())*1E-3;//in ns | |
1015 | ||
1016 | Int_t stripOffset = 0; | |
1017 | switch (iplate) { | |
1018 | case 0: | |
1019 | stripOffset = 0; | |
1020 | break; | |
1021 | case 1: | |
1022 | stripOffset = nStripC; | |
1023 | break; | |
1024 | case 2: | |
1025 | stripOffset = nStripC+nStripB; | |
1026 | break; | |
1027 | case 3: | |
1028 | stripOffset = nStripC+nStripB+nStripA; | |
1029 | break; | |
1030 | case 4: | |
1031 | stripOffset = nStripC+nStripB+nStripA+nStripB; | |
1032 | break; | |
1033 | default: | |
1034 | AliError(Form("Wrong plate number in TOF (%d) !",iplate)); | |
1035 | break; | |
1036 | }; | |
1037 | Int_t zindex=npadZ*(istrip+stripOffset)+(ipadZ+1); | |
1038 | Int_t phiindex=npadX*isector+ipadX+1; | |
1039 | fHDigClusMap->Fill(zindex,phiindex); | |
1040 | fHDigClusTime->Fill(time); | |
1041 | fHDigClusToT->Fill(tot); | |
1042 | ||
1043 | } | |
1044 | ||
1045 | ||
1046 | return 0; | |
1047 | } | |
1048 | //_________________________________________________________________________ | |
1049 | void AliTOFtracker::UnloadClusters() { | |
1050 | //-------------------------------------------------------------------- | |
1051 | //This function unloads TOF clusters | |
1052 | //-------------------------------------------------------------------- | |
1053 | for (Int_t i=0; i<fN; i++) { | |
1054 | //PH delete fClusters[i]; | |
1055 | fClusters[i] = 0x0; | |
1056 | } | |
1057 | fN=0; | |
1058 | } | |
1059 | ||
1060 | //_________________________________________________________________________ | |
1061 | Int_t AliTOFtracker::FindClusterIndex(Double_t z) const { | |
1062 | //-------------------------------------------------------------------- | |
1063 | // This function returns the index of the nearest cluster | |
1064 | //-------------------------------------------------------------------- | |
1065 | if (fN==0) return 0; | |
1066 | if (z <= fClusters[0]->GetZ()) return 0; | |
1067 | if (z > fClusters[fN-1]->GetZ()) return fN; | |
1068 | Int_t b=0, e=fN-1, m=(b+e)/2; | |
1069 | for (; b<e; m=(b+e)/2) { | |
1070 | if (z > fClusters[m]->GetZ()) b=m+1; | |
1071 | else e=m; | |
1072 | } | |
1073 | return m; | |
1074 | } | |
1075 | ||
1076 | //_________________________________________________________________________ | |
1077 | Bool_t AliTOFtracker::GetTrackPoint(Int_t index, AliTrackPoint& p) const | |
1078 | { | |
1079 | // Get track space point with index i | |
1080 | // Coordinates are in the global system | |
1081 | AliTOFcluster *cl = fClusters[index]; | |
1082 | Float_t xyz[3]; | |
1083 | xyz[0] = cl->GetR()*TMath::Cos(cl->GetPhi()); | |
1084 | xyz[1] = cl->GetR()*TMath::Sin(cl->GetPhi()); | |
1085 | xyz[2] = cl->GetZ(); | |
1086 | Float_t phiangle = (Int_t(cl->GetPhi()*TMath::RadToDeg()/20.)+0.5)*20.*TMath::DegToRad(); | |
1087 | Float_t sinphi = TMath::Sin(phiangle), cosphi = TMath::Cos(phiangle); | |
1088 | Float_t tiltangle = AliTOFGeometry::GetAngles(cl->GetDetInd(1),cl->GetDetInd(2))*TMath::DegToRad(); | |
1089 | Float_t sinth = TMath::Sin(tiltangle), costh = TMath::Cos(tiltangle); | |
1090 | Float_t sigmay2 = AliTOFGeometry::XPad()*AliTOFGeometry::XPad()/12.; | |
1091 | Float_t sigmaz2 = AliTOFGeometry::ZPad()*AliTOFGeometry::ZPad()/12.; | |
1092 | Float_t cov[6]; | |
1093 | cov[0] = sinphi*sinphi*sigmay2 + cosphi*cosphi*sinth*sinth*sigmaz2; | |
1094 | cov[1] = -sinphi*cosphi*sigmay2 + sinphi*cosphi*sinth*sinth*sigmaz2; | |
1095 | cov[2] = -cosphi*sinth*costh*sigmaz2; | |
1096 | cov[3] = cosphi*cosphi*sigmay2 + sinphi*sinphi*sinth*sinth*sigmaz2; | |
1097 | cov[4] = -sinphi*sinth*costh*sigmaz2; | |
1098 | cov[5] = costh*costh*sigmaz2; | |
1099 | p.SetXYZ(xyz[0],xyz[1],xyz[2],cov); | |
1100 | ||
1101 | // Detector numbering scheme | |
1102 | Int_t nSector = AliTOFGeometry::NSectors(); | |
1103 | Int_t nPlate = AliTOFGeometry::NPlates(); | |
1104 | Int_t nStripA = AliTOFGeometry::NStripA(); | |
1105 | Int_t nStripB = AliTOFGeometry::NStripB(); | |
1106 | Int_t nStripC = AliTOFGeometry::NStripC(); | |
1107 | ||
1108 | Int_t isector = cl->GetDetInd(0); | |
1109 | if (isector >= nSector) | |
1110 | AliError(Form("Wrong sector number in TOF (%d) !",isector)); | |
1111 | Int_t iplate = cl->GetDetInd(1); | |
1112 | if (iplate >= nPlate) | |
1113 | AliError(Form("Wrong plate number in TOF (%d) !",iplate)); | |
1114 | Int_t istrip = cl->GetDetInd(2); | |
1115 | ||
1116 | Int_t stripOffset = 0; | |
1117 | switch (iplate) { | |
1118 | case 0: | |
1119 | stripOffset = 0; | |
1120 | break; | |
1121 | case 1: | |
1122 | stripOffset = nStripC; | |
1123 | break; | |
1124 | case 2: | |
1125 | stripOffset = nStripC+nStripB; | |
1126 | break; | |
1127 | case 3: | |
1128 | stripOffset = nStripC+nStripB+nStripA; | |
1129 | break; | |
1130 | case 4: | |
1131 | stripOffset = nStripC+nStripB+nStripA+nStripB; | |
1132 | break; | |
1133 | default: | |
1134 | AliError(Form("Wrong plate number in TOF (%d) !",iplate)); | |
1135 | break; | |
1136 | }; | |
1137 | ||
1138 | Int_t idet = (2*(nStripC+nStripB)+nStripA)*isector + | |
1139 | stripOffset + | |
1140 | istrip; | |
1141 | UShort_t volid = AliGeomManager::LayerToVolUID(AliGeomManager::kTOF,idet); | |
1142 | p.SetVolumeID((UShort_t)volid); | |
1143 | return kTRUE; | |
1144 | } | |
1145 | //_________________________________________________________________________ | |
1146 | void AliTOFtracker::InitCheckHists() { | |
1147 | ||
1148 | //Init histos for Digits/Reco QA and Calibration | |
1149 | ||
1150 | ||
1151 | TDirectory *dir = gDirectory; | |
1152 | TFile *logFileTOF = 0; | |
1153 | ||
1154 | TSeqCollection *list = gROOT->GetListOfFiles(); | |
1155 | int n = list->GetEntries(); | |
1156 | Bool_t isThere=kFALSE; | |
1157 | for(int i=0; i<n; i++) { | |
1158 | logFileTOF = (TFile*)list->At(i); | |
1159 | if (strstr(logFileTOF->GetName(), "TOFQA.root")){ | |
1160 | isThere=kTRUE; | |
1161 | break; | |
1162 | } | |
1163 | } | |
1164 | ||
1165 | if(!isThere)logFileTOF = new TFile( "TOFQA.root","RECREATE"); | |
1166 | logFileTOF->cd(); | |
1167 | ||
1168 | fCalTree = new TTree("CalTree", "Tree for TOF calibration"); | |
1169 | fCalTree->Branch("TOFchannelindex",&fIch,"iTOFch/I"); | |
1170 | fCalTree->Branch("ToT",&fToT,"TOFToT/F"); | |
1171 | fCalTree->Branch("TOFtime",&fTime,"TOFtime/F"); | |
1172 | fCalTree->Branch("PionExpTime",&fExpTimePi,"PiExpTime/F"); | |
1173 | fCalTree->Branch("KaonExpTime",&fExpTimeKa,"KaExpTime/F"); | |
1174 | fCalTree->Branch("ProtonExpTime",&fExpTimePr,"PrExpTime/F"); | |
1175 | ||
1176 | //Digits "QA" | |
1177 | fHDigClusMap = new TH2F("TOFDig_ClusMap", "",182,0.5,182.5,864, 0.5,864.5); | |
1178 | fHDigNClus = new TH1F("TOFDig_NClus", "",200,0.5,200.5); | |
1179 | fHDigClusTime = new TH1F("TOFDig_ClusTime", "",2000,0.,200.); | |
1180 | fHDigClusToT = new TH1F("TOFDig_ClusToT", "",500,0.,100); | |
1181 | ||
1182 | //Reco "QA" | |
1183 | fHRecNClus =new TH1F("TOFRec_NClusW", "",50,0.5,50.5); | |
1184 | fHRecDist=new TH1F("TOFRec_Dist", "",50,0.5,10.5); | |
1185 | fHRecSigYVsP=new TH2F("TOFDig_SigYVsP", "",40,0.,4.,100, 0.,5.); | |
1186 | fHRecSigZVsP=new TH2F("TOFDig_SigZVsP", "",40,0.,4.,100, 0.,5.); | |
1187 | fHRecSigYVsPWin=new TH2F("TOFDig_SigYVsPWin", "",40,0.,4.,100, 0.,50.); | |
1188 | fHRecSigZVsPWin=new TH2F("TOFDig_SigZVsPWin", "",40,0.,4.,100, 0.,50.); | |
1189 | ||
1190 | dir->cd(); | |
1191 | ||
1192 | } | |
1193 | ||
1194 | //_________________________________________________________________________ | |
1195 | void AliTOFtracker::SaveCheckHists() { | |
1196 | ||
1197 | //write histos for Digits/Reco QA and Calibration | |
1198 | ||
1199 | TDirectory *dir = gDirectory; | |
1200 | TFile *logFileTOF = 0; | |
1201 | ||
1202 | TSeqCollection *list = gROOT->GetListOfFiles(); | |
1203 | int n = list->GetEntries(); | |
1204 | Bool_t isThere=kFALSE; | |
1205 | for(int i=0; i<n; i++) { | |
1206 | logFileTOF = (TFile*)list->At(i); | |
1207 | if (strstr(logFileTOF->GetName(), "TOFQA.root")){ | |
1208 | isThere=kTRUE; | |
1209 | break; | |
1210 | } | |
1211 | } | |
1212 | ||
1213 | if(!isThere) { | |
1214 | AliError(Form("File TOFQA.root not found!! not wring histograms....")); | |
1215 | return; | |
1216 | } | |
1217 | logFileTOF->cd(); | |
1218 | fHDigClusMap->Write(fHDigClusMap->GetName(), TObject::kOverwrite); | |
1219 | fHDigNClus->Write(fHDigNClus->GetName(), TObject::kOverwrite); | |
1220 | fHDigClusTime->Write(fHDigClusTime->GetName(), TObject::kOverwrite); | |
1221 | fHDigClusToT->Write(fHDigClusToT->GetName(), TObject::kOverwrite); | |
1222 | fHRecNClus->Write(fHRecNClus->GetName(), TObject::kOverwrite); | |
1223 | fHRecDist->Write(fHRecDist->GetName(), TObject::kOverwrite); | |
1224 | fHRecSigYVsP->Write(fHRecSigYVsP->GetName(), TObject::kOverwrite); | |
1225 | fHRecSigZVsP->Write(fHRecSigZVsP->GetName(), TObject::kOverwrite); | |
1226 | fHRecSigYVsPWin->Write(fHRecSigYVsPWin->GetName(), TObject::kOverwrite); | |
1227 | fHRecSigZVsPWin->Write(fHRecSigZVsPWin->GetName(), TObject::kOverwrite); | |
1228 | fCalTree->Write(fCalTree->GetName(),TObject::kOverwrite); | |
1229 | logFileTOF->Flush(); | |
1230 | ||
1231 | dir->cd(); | |
1232 | } | |
1233 | //_________________________________________________________________________ | |
1234 | Float_t AliTOFtracker::CorrectTimeWalk( Float_t dist, Float_t tof) const { | |
1235 | ||
1236 | //dummy, for the moment | |
1237 | Float_t tofcorr=0.; | |
1238 | if(dist<AliTOFGeometry::ZPad()*0.5){ | |
1239 | tofcorr=tof; | |
1240 | //place here the actual correction | |
1241 | }else{ | |
1242 | tofcorr=tof; | |
1243 | } | |
1244 | return tofcorr; | |
1245 | } | |
1246 | //_________________________________________________________________________ | |
1247 | ||
1248 | void AliTOFtracker::FillClusterArray(TObjArray* arr) const | |
1249 | { | |
1250 | // | |
1251 | // Returns the TOF cluster array | |
1252 | // | |
1253 | ||
1254 | if (fN==0) | |
1255 | arr = 0x0; | |
1256 | else | |
1257 | for (Int_t i=0; i<fN; ++i) arr->Add(fClusters[i]); | |
1258 | ||
1259 | } | |
1260 | //_________________________________________________________________________ | |
1261 |