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d686d062 | 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 | // // | |
3a646035 | 18 | // AliTOFtrackerV1 Class // |
d686d062 | 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 <TClonesArray.h> | |
0841bd02 | 33 | #include <TObjArray.h> |
d686d062 | 34 | #include <TTree.h> |
35 | #include <TFile.h> | |
36 | #include <TH1F.h> | |
37 | #include <TH2F.h> | |
5c7c93fa | 38 | #include <TSeqCollection.h> |
d686d062 | 39 | |
d686d062 | 40 | #include "AliESDtrack.h" |
41 | #include "AliESDEvent.h" | |
10d100d4 | 42 | #include "AliESDpid.h" |
d686d062 | 43 | #include "AliLog.h" |
44 | #include "AliTrackPointArray.h" | |
5c7c93fa | 45 | #include "AliGeomManager.h" |
46 | #include "AliCDBManager.h" | |
d686d062 | 47 | |
d686d062 | 48 | #include "AliTOFRecoParam.h" |
3a646035 | 49 | #include "AliTOFReconstructor.h" |
d686d062 | 50 | #include "AliTOFcluster.h" |
ca270b6d | 51 | #include "AliTOFGeometry.h" |
d686d062 | 52 | #include "AliTOFtrackerV1.h" |
53 | #include "AliTOFtrack.h" | |
d0c2872c | 54 | |
d686d062 | 55 | extern TROOT *gROOT; |
56 | ||
57 | ClassImp(AliTOFtrackerV1) | |
58 | ||
59 | //_____________________________________________________________________________ | |
60 | AliTOFtrackerV1::AliTOFtrackerV1(): | |
d3be4547 | 61 | fkRecoParam(0x0), |
d686d062 | 62 | fN(0), |
63 | fNseeds(0), | |
64 | fNseedsTOF(0), | |
65 | fngoodmatch(0), | |
66 | fnbadmatch(0), | |
67 | fnunmatch(0), | |
68 | fnmatch(0), | |
b42a5ea1 | 69 | fTracks(new TClonesArray("AliTOFtrack")), |
de60fa8a | 70 | fSeeds(new TObjArray(100)), |
d686d062 | 71 | fHDigClusMap(0x0), |
72 | fHDigNClus(0x0), | |
73 | fHDigClusTime(0x0), | |
74 | fHDigClusToT(0x0), | |
75 | fHRecNClus(0x0), | |
76 | fHRecChi2(0x0), | |
77 | fHRecDistZ(0x0), | |
78 | fHRecSigYVsP(0x0), | |
79 | fHRecSigZVsP(0x0), | |
80 | fHRecSigYVsPWin(0x0), | |
81 | fHRecSigZVsPWin(0x0) | |
82 | { | |
1d834a1e | 83 | //AliTOFtrackerV1 main Ctor |
84 | ||
85 | for (Int_t ii=0; ii<kMaxCluster; ii++) fClusters[ii]=0x0; | |
3a646035 | 86 | |
d686d062 | 87 | InitCheckHists(); |
88 | ||
d686d062 | 89 | } |
90 | //_____________________________________________________________________________ | |
91 | AliTOFtrackerV1::~AliTOFtrackerV1() { | |
92 | // | |
93 | // Dtor | |
94 | // | |
95 | ||
96 | SaveCheckHists(); | |
97 | ||
5d456bcd | 98 | if(!(AliCDBManager::Instance()->GetCacheFlag())){ |
d3be4547 | 99 | delete fkRecoParam; |
5d456bcd | 100 | } |
d686d062 | 101 | delete fHDigClusMap; |
102 | delete fHDigNClus; | |
103 | delete fHDigClusTime; | |
104 | delete fHDigClusToT; | |
105 | delete fHRecNClus; | |
106 | delete fHRecChi2; | |
107 | delete fHRecDistZ; | |
108 | delete fHRecSigYVsP; | |
109 | delete fHRecSigZVsP; | |
110 | delete fHRecSigYVsPWin; | |
111 | delete fHRecSigZVsPWin; | |
b42a5ea1 | 112 | if (fTracks){ |
113 | fTracks->Delete(); | |
114 | delete fTracks; | |
115 | fTracks=0x0; | |
116 | } | |
117 | if (fSeeds){ | |
118 | fSeeds->Delete(); | |
119 | delete fSeeds; | |
120 | fSeeds=0x0; | |
121 | } | |
1d834a1e | 122 | |
123 | ||
7e96dc55 | 124 | for (Int_t ii=0; ii<kMaxCluster; ii++) |
125 | if (fClusters[ii]) fClusters[ii]->Delete(); | |
1d834a1e | 126 | |
d686d062 | 127 | } |
128 | //_____________________________________________________________________________ | |
10d100d4 | 129 | void AliTOFtrackerV1::GetPidSettings(AliESDpid *esdPID) { |
130 | // | |
131 | // Sets TOF resolution from RecoParams | |
132 | // | |
d3be4547 | 133 | if (fkRecoParam) |
134 | esdPID->GetTOFResponse().SetTimeResolution(fkRecoParam->GetTimeResolution()); | |
10d100d4 | 135 | else |
d3be4547 | 136 | AliWarning("fkRecoParam not yet set; cannot set PID settings"); |
10d100d4 | 137 | } |
138 | //_____________________________________________________________________________ | |
d3be4547 | 139 | Int_t AliTOFtrackerV1::PropagateBack(AliESDEvent * const event) { |
d686d062 | 140 | // |
141 | // Gets seeds from ESD event and Match with TOF Clusters | |
142 | // | |
143 | ||
3a646035 | 144 | // initialize RecoParam for current event |
bafe290d | 145 | AliDebug(1,"Initializing params for TOF"); |
3a646035 | 146 | |
d3be4547 | 147 | fkRecoParam = AliTOFReconstructor::GetRecoParam(); // instantiate reco param from STEER... |
90b234fe | 148 | |
d3be4547 | 149 | if (fkRecoParam == 0x0) { |
3a646035 | 150 | AliFatal("No Reco Param found for TOF!!!"); |
151 | } | |
d3be4547 | 152 | //fkRecoParam->Dump(); |
153 | //if(fkRecoParam->GetApplyPbPbCuts())fkRecoParam=fkRecoParam->GetPbPbparam(); | |
154 | //fkRecoParam->PrintParameters(); | |
90b234fe | 155 | |
d686d062 | 156 | //Initialise some counters |
157 | ||
158 | fNseeds=0; | |
159 | fNseedsTOF=0; | |
160 | fngoodmatch=0; | |
161 | fnbadmatch=0; | |
162 | fnunmatch=0; | |
163 | fnmatch=0; | |
164 | ||
165 | Int_t ntrk=event->GetNumberOfTracks(); | |
166 | fNseeds = ntrk; | |
d686d062 | 167 | |
d686d062 | 168 | //Load ESD tracks into a local Array of ESD Seeds |
0841bd02 | 169 | for (Int_t i=0; i<fNseeds; i++) |
170 | fSeeds->AddLast(event->GetTrack(i)); | |
d686d062 | 171 | |
172 | //Prepare ESD tracks candidates for TOF Matching | |
173 | CollectESD(); | |
174 | ||
175 | //Matching Step | |
176 | MatchTracks(); | |
177 | ||
6ef25b64 | 178 | AliInfo(Form("Number of matched tracks = %d (good = %d, bad = %d)",fnmatch,fngoodmatch,fnbadmatch)); |
d686d062 | 179 | |
180 | //Update the matched ESD tracks | |
181 | ||
182 | for (Int_t i=0; i<ntrk; i++) { | |
183 | AliESDtrack *t=event->GetTrack(i); | |
0841bd02 | 184 | AliESDtrack *seed =(AliESDtrack*)fSeeds->At(i); |
6819758a | 185 | |
af61c656 | 186 | if ( (seed->GetStatus()&AliESDtrack::kTOFin)!=0 ) { |
187 | t->SetStatus(AliESDtrack::kTOFin); | |
188 | //if(seed->GetTOFsignal()>0){ | |
189 | if ( (seed->GetStatus()&AliESDtrack::kTOFout)!=0 ) { | |
190 | t->SetStatus(AliESDtrack::kTOFout); | |
191 | t->SetTOFsignal(seed->GetTOFsignal()); | |
192 | t->SetTOFcluster(seed->GetTOFcluster()); | |
193 | t->SetTOFsignalToT(seed->GetTOFsignalToT()); | |
194 | t->SetTOFsignalRaw(seed->GetTOFsignalRaw()); | |
195 | t->SetTOFsignalDz(seed->GetTOFsignalDz()); | |
46d7d82e | 196 | t->SetTOFsignalDx(seed->GetTOFsignalDx()); |
8b441e14 | 197 | t->SetTOFDeltaBC(seed->GetTOFDeltaBC()); |
198 | t->SetTOFL0L1(seed->GetTOFL0L1()); | |
af61c656 | 199 | t->SetTOFCalChannel(seed->GetTOFCalChannel()); |
200 | Int_t tlab[3]; seed->GetTOFLabel(tlab); | |
201 | t->SetTOFLabel(tlab); | |
24322e5c | 202 | |
0841bd02 | 203 | Double_t alphaA = (Double_t)t->GetAlpha(); |
204 | Double_t xA = (Double_t)t->GetX(); | |
205 | Double_t yA = (Double_t)t->GetY(); | |
206 | Double_t zA = (Double_t)t->GetZ(); | |
207 | Double_t p1A = (Double_t)t->GetSnp(); | |
208 | Double_t p2A = (Double_t)t->GetTgl(); | |
209 | Double_t p3A = (Double_t)t->GetSigned1Pt(); | |
210 | const Double_t *covA = (Double_t*)t->GetCovariance(); | |
e81ea7b6 | 211 | |
212 | // Make attention, please: | |
213 | // AliESDtrack::fTOFInfo array does not be stored in the AliESDs.root file | |
214 | // it is there only for a check during the reconstruction step. | |
24322e5c | 215 | Float_t info[10]={0.,0.,0.,0.,0.,0.,0.,0.,0.,0.}; |
216 | seed->GetTOFInfo(info); | |
217 | t->SetTOFInfo(info); | |
218 | AliDebug(2,Form(" distance=%f; residual in the pad reference frame: dX=%f, dZ=%f", info[0],info[1],info[2])); | |
219 | ||
e81ea7b6 | 220 | // Check done: |
221 | // by calling the AliESDtrack::UpdateTrackParams, | |
222 | // the current track parameters are changed | |
223 | // and it could cause refit problems. | |
224 | // We need to update only the following track parameters: | |
225 | // the track length and expected times. | |
226 | // Removed AliESDtrack::UpdateTrackParams call | |
227 | // Called AliESDtrack::SetIntegratedTimes(...) and | |
228 | // AliESDtrack::SetIntegratedLength() routines. | |
229 | /* | |
230 | AliTOFtrack *track = new AliTOFtrack(*seed); | |
231 | t->UpdateTrackParams(track,AliESDtrack::kTOFout); // to be checked - AdC | |
232 | delete track; | |
233 | Double_t time[10]; t->GetIntegratedTimes(time); | |
234 | */ | |
235 | ||
236 | Double_t time[10]; seed->GetIntegratedTimes(time); | |
237 | t->SetIntegratedTimes(time); | |
238 | ||
239 | Double_t length = seed->GetIntegratedLength(); | |
240 | t->SetIntegratedLength(length); | |
241 | ||
0841bd02 | 242 | Double_t alphaB = (Double_t)t->GetAlpha(); |
243 | Double_t xB = (Double_t)t->GetX(); | |
244 | Double_t yB = (Double_t)t->GetY(); | |
245 | Double_t zB = (Double_t)t->GetZ(); | |
246 | Double_t p1B = (Double_t)t->GetSnp(); | |
247 | Double_t p2B = (Double_t)t->GetTgl(); | |
248 | Double_t p3B = (Double_t)t->GetSigned1Pt(); | |
249 | const Double_t *covB = (Double_t*)t->GetCovariance(); | |
e81ea7b6 | 250 | AliDebug(2,"Track params -now(before)-:"); |
251 | AliDebug(2,Form(" X: %f(%f), Y: %f(%f), Z: %f(%f) --- alpha: %f(%f)", | |
252 | xB,xA, | |
253 | yB,yA, | |
254 | zB,zA, | |
255 | alphaB,alphaA)); | |
256 | AliDebug(2,Form(" p1: %f(%f), p2: %f(%f), p3: %f(%f)", | |
257 | p1B,p1A, | |
258 | p2B,p2A, | |
259 | p3B,p3A)); | |
260 | AliDebug(2,Form(" cov1: %f(%f), cov2: %f(%f), cov3: %f(%f)" | |
261 | " cov4: %f(%f), cov5: %f(%f), cov6: %f(%f)" | |
262 | " cov7: %f(%f), cov8: %f(%f), cov9: %f(%f)" | |
263 | " cov10: %f(%f), cov11: %f(%f), cov12: %f(%f)" | |
264 | " cov13: %f(%f), cov14: %f(%f), cov15: %f(%f)", | |
265 | covB[0],covA[0], | |
266 | covB[1],covA[1], | |
267 | covB[2],covA[2], | |
268 | covB[3],covA[3], | |
269 | covB[4],covA[4], | |
270 | covB[5],covA[5], | |
271 | covB[6],covA[6], | |
272 | covB[7],covA[7], | |
273 | covB[8],covA[8], | |
274 | covB[9],covA[9], | |
275 | covB[10],covA[10], | |
276 | covB[11],covA[11], | |
277 | covB[12],covA[12], | |
278 | covB[13],covA[13], | |
279 | covB[14],covA[14] | |
280 | )); | |
4682c56e | 281 | AliDebug(3,Form(" %6d %f %f %f %f %f %6d %3d %f %f %f %f %f %f", |
af61c656 | 282 | i, |
283 | t->GetTOFsignalRaw(), | |
284 | t->GetTOFsignal(), | |
285 | t->GetTOFsignalToT(), | |
286 | t->GetTOFsignalDz(), | |
46d7d82e | 287 | t->GetTOFsignalDx(), |
af61c656 | 288 | t->GetTOFCalChannel(), |
289 | t->GetTOFcluster(), | |
290 | t->GetIntegratedLength(), | |
291 | time[0], time[1], time[2], time[3], time[4] | |
292 | ) | |
293 | ); | |
294 | } | |
d686d062 | 295 | } |
296 | } | |
297 | ||
de60fa8a | 298 | fSeeds->Clear(); |
0841bd02 | 299 | fTracks->Delete(); |
d686d062 | 300 | return 0; |
301 | ||
302 | } | |
303 | //_________________________________________________________________________ | |
304 | void AliTOFtrackerV1::CollectESD() { | |
305 | //prepare the set of ESD tracks to be matched to clusters in TOF | |
306 | ||
307 | Int_t seedsTOF1=0; | |
308 | Int_t seedsTOF2=0; | |
309 | ||
d686d062 | 310 | TClonesArray &aTOFTrack = *fTracks; |
311 | for (Int_t i=0; i<fNseeds; i++) { | |
312 | ||
0841bd02 | 313 | AliESDtrack *t =(AliESDtrack*)fSeeds->At(i); |
d686d062 | 314 | if ((t->GetStatus()&AliESDtrack::kTPCout)==0)continue; |
315 | ||
d686d062 | 316 | AliTOFtrack *track = new AliTOFtrack(*t); // New |
af61c656 | 317 | Float_t x = (Float_t)track->GetX(); //New |
318 | ||
319 | // TRD 'good' tracks, already propagated at 371 cm | |
320 | if ( ( (t->GetStatus()&AliESDtrack::kTRDout)!=0 ) && | |
321 | ( x >= AliTOFGeometry::Rmin() ) ) { | |
322 | if ( track->PropagateToInnerTOF() ) { | |
323 | ||
324 | AliDebug(1,Form(" TRD propagated track till rho = %fcm." | |
325 | " And then the track has been propagated till rho = %fcm.", | |
326 | x, (Float_t)track->GetX())); | |
327 | ||
328 | track->SetSeedIndex(i); | |
329 | t->UpdateTrackParams(track,AliESDtrack::kTOFin); | |
330 | new(aTOFTrack[fNseedsTOF]) AliTOFtrack(*track); | |
331 | fNseedsTOF++; | |
332 | seedsTOF1++; | |
333 | } | |
d686d062 | 334 | delete track; |
335 | } | |
336 | ||
af61c656 | 337 | // Propagate the rest of TPCbp |
d686d062 | 338 | else { |
af61c656 | 339 | if ( track->PropagateToInnerTOF() ) { |
340 | ||
341 | AliDebug(1,Form(" TRD propagated track till rho = %fcm." | |
342 | " And then the track has been propagated till rho = %fcm.", | |
343 | x, (Float_t)track->GetX())); | |
344 | ||
d686d062 | 345 | track->SetSeedIndex(i); |
af61c656 | 346 | t->UpdateTrackParams(track,AliESDtrack::kTOFin); |
d686d062 | 347 | new(aTOFTrack[fNseedsTOF]) AliTOFtrack(*track); |
348 | fNseedsTOF++; | |
349 | seedsTOF2++; | |
350 | } | |
351 | delete track; | |
352 | } | |
353 | } | |
354 | ||
6ef25b64 | 355 | AliInfo(Form("Number of TOF seeds = %d (Type 1 = %d, Type 2 = %d)",fNseedsTOF,seedsTOF1,seedsTOF2)); |
d686d062 | 356 | |
357 | // Sort according uncertainties on track position | |
358 | fTracks->Sort(); | |
359 | ||
360 | } | |
361 | //_________________________________________________________________________ | |
362 | void AliTOFtrackerV1::MatchTracks( ){ | |
363 | // | |
364 | //Match ESD tracks to clusters in TOF | |
365 | // | |
366 | ||
367 | ||
368 | // Parameters regulating the reconstruction | |
ca270b6d | 369 | Float_t dY=AliTOFGeometry::XPad(); |
370 | Float_t dZ=AliTOFGeometry::ZPad(); | |
d686d062 | 371 | |
f2524833 | 372 | const Float_t kTimeOffset = 0.; // time offset for tracking algorithm [ps] |
6819758a | 373 | |
3da9d64f | 374 | const Int_t kncmax = 100; |
d3be4547 | 375 | Float_t sensRadius = fkRecoParam->GetSensRadius(); |
376 | Float_t scaleFact = fkRecoParam->GetWindowScaleFact(); | |
377 | Float_t dyMax=fkRecoParam->GetWindowSizeMaxY(); | |
378 | Float_t dzMax=fkRecoParam->GetWindowSizeMaxZ(); | |
379 | Double_t maxChi2=fkRecoParam->GetMaxChi2(); | |
380 | Bool_t timeWalkCorr = fkRecoParam->GetTimeWalkCorr(); | |
d686d062 | 381 | AliDebug(1,"++++++++++++++TOF Reconstruction Parameters:++++++++++++ \n"); |
382 | AliDebug(1,Form("TOF sens radius: %f",sensRadius)); | |
383 | AliDebug(1,Form("TOF Window scale factor: %f",scaleFact)); | |
384 | AliDebug(1,Form("TOF Window max dy: %f",dyMax)); | |
385 | AliDebug(1,Form("TOF Window max dz: %f",dzMax)); | |
386 | AliDebug(1,Form("TOF Max Chi2: %f",maxChi2)); | |
387 | AliDebug(1,Form("Time Walk Correction? : %d",timeWalkCorr)); | |
388 | ||
389 | ||
390 | //The matching loop | |
d686d062 | 391 | for (Int_t iseed=0; iseed<fNseedsTOF; iseed++) { |
392 | ||
393 | AliTOFtrack *track =(AliTOFtrack*)fTracks->UncheckedAt(iseed); | |
0841bd02 | 394 | AliESDtrack *t =(AliESDtrack*)fSeeds->At(track->GetSeedIndex()); |
af61c656 | 395 | //if ( t->GetTOFsignal()>0. ) continue; |
396 | if ( (t->GetStatus()&AliESDtrack::kTOFout)!=0 ) continue; | |
de60fa8a | 397 | AliTOFtrack *trackTOFin = new AliTOFtrack(*track); |
d686d062 | 398 | |
399 | // Determine a window around the track | |
400 | Double_t x,par[5]; trackTOFin->GetExternalParameters(x,par); | |
401 | Double_t cov[15]; trackTOFin->GetExternalCovariance(cov); | |
402 | ||
53884c34 | 403 | if (cov[0]<0. || cov[2]<0.) { |
404 | AliWarning(Form("Very strange track (%d)! At least one of its covariance matrix diagonal elements is negative!",iseed)); | |
ecd795d8 | 405 | //delete trackTOFin; |
406 | //continue; | |
53884c34 | 407 | } |
408 | ||
d686d062 | 409 | Double_t z = par[1]; |
de60fa8a | 410 | Double_t dz = scaleFact*3.*TMath::Sqrt(TMath::Abs(cov[2])+dZ*dZ/12.); |
411 | Double_t dphi = scaleFact*3.*TMath::Sqrt(TMath::Abs(cov[0])+dY*dY/12.)/sensRadius; | |
d686d062 | 412 | |
413 | Double_t phi=TMath::ATan2(par[0],x) + trackTOFin->GetAlpha(); | |
414 | if (phi<-TMath::Pi())phi+=2*TMath::Pi(); | |
415 | if (phi>=TMath::Pi())phi-=2*TMath::Pi(); | |
416 | ||
417 | //upper limit on window's size. | |
de60fa8a | 418 | if (dz> dzMax) dz=dzMax; |
419 | if (dphi*sensRadius> dyMax) dphi=dyMax/sensRadius; | |
d686d062 | 420 | |
d686d062 | 421 | // find the clusters inside the selected window |
422 | Int_t nc=0; | |
3da9d64f | 423 | AliTOFcluster *clusters[kncmax]; // pointers to the clusters in the window |
424 | Int_t index[kncmax];//to keep track of the cluster index | |
d686d062 | 425 | for (Int_t k=FindClusterIndex(z-dz); k<fN; k++) { |
426 | AliTOFcluster *c=fClusters[k]; | |
c0b60ae7 | 427 | // if(nc>kncmax)break; /* R+ fix (buffer overflow) */ |
53884c34 | 428 | if (nc>=kncmax) { |
429 | AliWarning("No more matchable clusters can be stored! Please, increase the corresponding vectors size."); | |
430 | break; /* R+ fix (buffer overflow protection) */ | |
431 | } | |
de60fa8a | 432 | if (c->GetZ() > z+dz) break; |
433 | if (c->IsUsed()) continue; | |
434 | if (!c->GetStatus()) { | |
53884c34 | 435 | AliDebug(1,"Cluster in channel declared bad!"); |
436 | continue; // skip bad channels as declared in OCDB | |
17149e6b | 437 | } |
d686d062 | 438 | Float_t xyz[3]; c->GetGlobalXYZ(xyz); |
439 | Double_t clPhi=TMath::ATan2(xyz[1],xyz[0]); | |
440 | Double_t dph=TMath::Abs(clPhi-phi); | |
441 | if (dph>TMath::Pi()) dph-=2.*TMath::Pi(); | |
442 | if (TMath::Abs(dph)>dphi) continue; | |
443 | clusters[nc]=c; | |
444 | index[nc] = k; | |
445 | nc++; | |
446 | } | |
447 | ||
53884c34 | 448 | AliDebug(1,Form(" Number of matchable TOF clusters for the track number %d: %d",iseed,nc)); |
449 | ||
8dacd1bb | 450 | //start propagation: go to the average TOF pad middle plane at ~379.5 cm |
d686d062 | 451 | |
452 | Float_t xTOF = sensRadius; | |
ca270b6d | 453 | Double_t ymax = xTOF*TMath::Tan(0.5*AliTOFGeometry::GetAlpha()); |
d686d062 | 454 | Bool_t skip = kFALSE; |
455 | Double_t ysect = trackTOFin->GetYat(xTOF,skip); | |
456 | if (skip) break; | |
457 | if (ysect > ymax) { | |
ca270b6d | 458 | if (!trackTOFin->Rotate(AliTOFGeometry::GetAlpha())) { |
d686d062 | 459 | break; |
460 | } | |
461 | } else if (ysect <-ymax) { | |
13c769b4 | 462 | if (!trackTOFin->Rotate(-AliTOFGeometry::GetAlpha())) { |
d686d062 | 463 | break; |
464 | } | |
465 | } | |
466 | if(!trackTOFin->PropagateTo(xTOF)) { | |
467 | break; | |
468 | } | |
469 | ||
470 | ||
471 | AliTOFcluster *bestCluster=0; | |
472 | Double_t bestChi2=maxChi2; | |
473 | Int_t idclus=-1; | |
c0b60ae7 | 474 | // for (Int_t i=0; i<nc; i++){ /* R+ fix (unsafe) */ |
475 | for (Int_t i=0; i<nc && i<kncmax; i++){ /* R+ fix (buffer overflow protection) */ | |
d686d062 | 476 | AliTOFcluster *c=clusters[i]; // one of the preselected clusters |
477 | Double_t chi2=trackTOFin->GetPredictedChi2((AliCluster3D*)c); | |
478 | if (chi2 >= bestChi2) continue; | |
479 | bestChi2=chi2; | |
480 | bestCluster=c; | |
481 | idclus=index[i]; | |
482 | } | |
483 | ||
484 | if (!bestCluster) { // no matching , go to the next track | |
485 | fnunmatch++; | |
486 | delete trackTOFin; | |
487 | continue; | |
488 | } | |
489 | ||
490 | fnmatch++; | |
32ead898 | 491 | |
3a646035 | 492 | AliDebug(2, Form("%7i %7i %10i %10i %10i %10i %7i", |
32ead898 | 493 | iseed, |
3a646035 | 494 | fnmatch-1, |
32ead898 | 495 | TMath::Abs(trackTOFin->GetLabel()), |
496 | bestCluster->GetLabel(0), | |
497 | bestCluster->GetLabel(1), | |
3a646035 | 498 | bestCluster->GetLabel(2), |
499 | idclus)); // AdC | |
32ead898 | 500 | |
d686d062 | 501 | bestCluster->Use(); |
502 | if ( | |
503 | (bestCluster->GetLabel(0)==TMath::Abs(trackTOFin->GetLabel())) | |
504 | || | |
505 | (bestCluster->GetLabel(1)==TMath::Abs(trackTOFin->GetLabel())) | |
506 | || | |
507 | (bestCluster->GetLabel(2)==TMath::Abs(trackTOFin->GetLabel())) | |
508 | ) { | |
509 | fngoodmatch++; | |
6819758a | 510 | AliDebug(2,Form(" track label good %5d",trackTOFin->GetLabel())); |
d686d062 | 511 | |
512 | } | |
513 | else{ | |
514 | fnbadmatch++; | |
6819758a | 515 | AliDebug(2,Form(" track label bad %5d",trackTOFin->GetLabel())); |
d686d062 | 516 | } |
517 | ||
518 | //Propagate the track to the best matched cluster | |
519 | trackTOFin->PropagateTo(bestCluster); | |
520 | ||
77a9ea9a | 521 | // Fill the track residual histograms. |
522 | FillResiduals(trackTOFin,bestCluster,kFALSE); | |
d686d062 | 523 | |
524 | //now take the local distance in Z from the pad center for time walk correction | |
ca270b6d | 525 | Float_t tiltangle = AliTOFGeometry::GetAngles(bestCluster->GetDetInd(1),bestCluster->GetDetInd(2))*TMath::DegToRad(); |
6819758a | 526 | Double_t dzTW=trackTOFin->GetZ()-bestCluster->GetZ(); // in cm - in the ALICE RF - |
527 | dzTW/=TMath::Cos(tiltangle); // from ALICE/tracking RF to pad RF (1) | |
528 | dzTW=-dzTW; // from ALICE/tracking RF to pad RF (2) | |
529 | if (tiltangle!=0.) AliDebug(2,Form(" rho_track = %f --- rho_cluster = %f ",trackTOFin->GetX(),bestCluster->GetX())); | |
d686d062 | 530 | |
531 | //update the ESD track and delete the TOFtrack | |
af61c656 | 532 | t->UpdateTrackParams(trackTOFin,AliESDtrack::kTOFout); |
d686d062 | 533 | |
534 | // Store quantities to be used in the TOF Calibration | |
ca270b6d | 535 | Float_t tToT=AliTOFGeometry::ToTBinWidth()*bestCluster->GetToT()*1E-3; // in ns |
d686d062 | 536 | t->SetTOFsignalToT(tToT); |
6819758a | 537 | Float_t rawTime=AliTOFGeometry::TdcBinWidth()*bestCluster->GetTDCRAW()+kTimeOffset; // RAW time,in ps |
d686d062 | 538 | t->SetTOFsignalRaw(rawTime); |
539 | t->SetTOFsignalDz(dzTW); | |
6819758a | 540 | |
24322e5c | 541 | Float_t deltaY = trackTOFin->GetY()-bestCluster->GetY(); |
46d7d82e | 542 | t->SetTOFsignalDx(deltaY); |
24322e5c | 543 | |
8b441e14 | 544 | t->SetTOFDeltaBC(bestCluster->GetDeltaBC()); |
545 | t->SetTOFL0L1(bestCluster->GetL0L1Latency()); | |
546 | ||
24322e5c | 547 | Float_t distR = (trackTOFin->GetX()-bestCluster->GetX())* |
548 | (trackTOFin->GetX()-bestCluster->GetX()); | |
549 | distR+=deltaY*deltaY; | |
550 | distR+=dzTW*dzTW; | |
551 | distR = TMath::Sqrt(distR); | |
552 | Float_t info[10] = {distR, deltaY, dzTW, | |
553 | 0.,0.,0.,0.,0.,0.,0.}; | |
554 | t->SetTOFInfo(info); | |
555 | ||
d686d062 | 556 | Int_t ind[5]; |
557 | ind[0]=bestCluster->GetDetInd(0); | |
558 | ind[1]=bestCluster->GetDetInd(1); | |
559 | ind[2]=bestCluster->GetDetInd(2); | |
560 | ind[3]=bestCluster->GetDetInd(3); | |
561 | ind[4]=bestCluster->GetDetInd(4); | |
ca270b6d | 562 | Int_t calindex = AliTOFGeometry::GetIndex(ind); |
d686d062 | 563 | t->SetTOFCalChannel(calindex); |
564 | ||
565 | // keep track of the track labels in the matched cluster | |
566 | Int_t tlab[3]; | |
567 | tlab[0]=bestCluster->GetLabel(0); | |
568 | tlab[1]=bestCluster->GetLabel(1); | |
569 | tlab[2]=bestCluster->GetLabel(2); | |
6819758a | 570 | AliDebug(2,Form(" tdc time of the matched track %6d = ",bestCluster->GetTDC())); |
571 | Double_t tof=AliTOFGeometry::TdcBinWidth()*bestCluster->GetTDC()+kTimeOffset; // in ps | |
572 | AliDebug(2,Form(" tof time of the matched track: %f = ",tof)); | |
d686d062 | 573 | Double_t tofcorr=tof; |
574 | if(timeWalkCorr)tofcorr=CorrectTimeWalk(dzTW,tof); | |
575 | AliDebug(2,Form(" tof time of the matched track, after TW corr: %f = ",tofcorr)); | |
576 | //Set TOF time signal and pointer to the matched cluster | |
577 | t->SetTOFsignal(tofcorr); | |
578 | t->SetTOFcluster(idclus); // pointing to the recPoints tree | |
579 | t->SetTOFLabel(tlab); | |
580 | ||
6819758a | 581 | AliDebug(2,Form(" Setting TOF raw time: %f z distance: %f corrected time: %f",rawTime,dzTW,tofcorr)); |
582 | ||
d686d062 | 583 | Double_t mom=t->GetP(); |
53884c34 | 584 | AliDebug(2,Form(" Momentum for track %d -> %f", iseed,mom)); |
d686d062 | 585 | // Fill Reco-QA histos for Reconstruction |
586 | fHRecNClus->Fill(nc); | |
587 | fHRecChi2->Fill(bestChi2); | |
588 | fHRecDistZ->Fill(dzTW); | |
38c767fa | 589 | if (cov[0]>=0.) |
590 | fHRecSigYVsP->Fill(mom,TMath::Sqrt(cov[0])); | |
591 | else | |
57bd70af | 592 | fHRecSigYVsP->Fill(mom,-TMath::Sqrt(-cov[0])); |
38c767fa | 593 | if (cov[2]>=0.) |
594 | fHRecSigZVsP->Fill(mom,TMath::Sqrt(cov[2])); | |
595 | else | |
57bd70af | 596 | fHRecSigZVsP->Fill(mom,-TMath::Sqrt(-cov[2])); |
d686d062 | 597 | fHRecSigYVsPWin->Fill(mom,dphi*sensRadius); |
598 | fHRecSigZVsPWin->Fill(mom,dz); | |
599 | ||
600 | // Fill Tree for on-the-fly offline Calibration | |
601 | // no longer there - all info is in the ESDs now | |
602 | ||
af61c656 | 603 | delete trackTOFin; |
d686d062 | 604 | } |
d686d062 | 605 | |
606 | } | |
607 | //_________________________________________________________________________ | |
608 | Int_t AliTOFtrackerV1::LoadClusters(TTree *cTree) { | |
609 | //-------------------------------------------------------------------- | |
610 | //This function loads the TOF clusters | |
611 | //-------------------------------------------------------------------- | |
612 | ||
ca270b6d | 613 | Int_t npadX = AliTOFGeometry::NpadX(); |
614 | Int_t npadZ = AliTOFGeometry::NpadZ(); | |
615 | Int_t nStripA = AliTOFGeometry::NStripA(); | |
616 | Int_t nStripB = AliTOFGeometry::NStripB(); | |
617 | Int_t nStripC = AliTOFGeometry::NStripC(); | |
d686d062 | 618 | |
619 | TBranch *branch=cTree->GetBranch("TOF"); | |
620 | if (!branch) { | |
621 | AliError("can't get the branch with the TOF clusters !"); | |
622 | return 1; | |
623 | } | |
624 | ||
b42a5ea1 | 625 | static TClonesArray dummy("AliTOFcluster",10000); |
626 | dummy.Clear(); | |
627 | TClonesArray *clusters=&dummy; | |
d686d062 | 628 | branch->SetAddress(&clusters); |
629 | ||
630 | cTree->GetEvent(0); | |
631 | Int_t nc=clusters->GetEntriesFast(); | |
632 | fHDigNClus->Fill(nc); | |
633 | ||
b42a5ea1 | 634 | AliInfo(Form("Number of clusters: %d",nc)); |
635 | ||
d686d062 | 636 | for (Int_t i=0; i<nc; i++) { |
637 | AliTOFcluster *c=(AliTOFcluster*)clusters->UncheckedAt(i); | |
16a2e36a | 638 | //PH fClusters[i]=new AliTOFcluster(*c); fN++; |
639 | fClusters[i]=c; fN++; | |
d686d062 | 640 | |
641 | // Fill Digits QA histos | |
642 | ||
643 | Int_t isector = c->GetDetInd(0); | |
644 | Int_t iplate = c->GetDetInd(1); | |
645 | Int_t istrip = c->GetDetInd(2); | |
646 | Int_t ipadX = c->GetDetInd(4); | |
647 | Int_t ipadZ = c->GetDetInd(3); | |
648 | ||
ca270b6d | 649 | Float_t time =(AliTOFGeometry::TdcBinWidth()*c->GetTDC())*1E-3; // in ns |
650 | Float_t tot = (AliTOFGeometry::TdcBinWidth()*c->GetToT())*1E-3;//in ns | |
d686d062 | 651 | |
652 | Int_t stripOffset = 0; | |
653 | switch (iplate) { | |
654 | case 0: | |
655 | stripOffset = 0; | |
656 | break; | |
657 | case 1: | |
658 | stripOffset = nStripC; | |
659 | break; | |
660 | case 2: | |
661 | stripOffset = nStripC+nStripB; | |
662 | break; | |
663 | case 3: | |
664 | stripOffset = nStripC+nStripB+nStripA; | |
665 | break; | |
666 | case 4: | |
667 | stripOffset = nStripC+nStripB+nStripA+nStripB; | |
668 | break; | |
669 | default: | |
670 | AliError(Form("Wrong plate number in TOF (%d) !",iplate)); | |
671 | break; | |
672 | }; | |
673 | Int_t zindex=npadZ*(istrip+stripOffset)+(ipadZ+1); | |
674 | Int_t phiindex=npadX*isector+ipadX+1; | |
675 | fHDigClusMap->Fill(zindex,phiindex); | |
676 | fHDigClusTime->Fill(time); | |
677 | fHDigClusToT->Fill(tot); | |
678 | } | |
679 | ||
680 | ||
681 | return 0; | |
682 | } | |
683 | //_________________________________________________________________________ | |
684 | void AliTOFtrackerV1::UnloadClusters() { | |
685 | //-------------------------------------------------------------------- | |
686 | //This function unloads TOF clusters | |
687 | //-------------------------------------------------------------------- | |
688 | for (Int_t i=0; i<fN; i++) { | |
16a2e36a | 689 | //PH delete fClusters[i]; |
d686d062 | 690 | fClusters[i] = 0x0; |
691 | } | |
692 | fN=0; | |
693 | } | |
694 | ||
695 | //_________________________________________________________________________ | |
696 | Int_t AliTOFtrackerV1::FindClusterIndex(Double_t z) const { | |
697 | //-------------------------------------------------------------------- | |
698 | // This function returns the index of the nearest cluster | |
699 | //-------------------------------------------------------------------- | |
700 | //MOD | |
701 | //Here we need to get the Z in the tracking system | |
702 | ||
703 | if (fN==0) return 0; | |
704 | if (z <= fClusters[0]->GetZ()) return 0; | |
705 | if (z > fClusters[fN-1]->GetZ()) return fN; | |
706 | Int_t b=0, e=fN-1, m=(b+e)/2; | |
707 | for (; b<e; m=(b+e)/2) { | |
708 | if (z > fClusters[m]->GetZ()) b=m+1; | |
709 | else e=m; | |
710 | } | |
711 | return m; | |
712 | } | |
713 | ||
714 | //_________________________________________________________________________ | |
715 | Bool_t AliTOFtrackerV1::GetTrackPoint(Int_t index, AliTrackPoint& p) const | |
716 | { | |
717 | // Get track space point with index i | |
718 | // Coordinates are in the global system | |
719 | AliTOFcluster *cl = fClusters[index]; | |
720 | Float_t xyz[3]; | |
721 | cl->GetGlobalXYZ(xyz); | |
722 | Float_t phi=TMath::ATan2(xyz[1],xyz[0]); | |
723 | Float_t phiangle = (Int_t(phi*TMath::RadToDeg()/20.)+0.5)*20.*TMath::DegToRad(); | |
724 | Float_t sinphi = TMath::Sin(phiangle), cosphi = TMath::Cos(phiangle); | |
ca270b6d | 725 | Float_t tiltangle = AliTOFGeometry::GetAngles(cl->GetDetInd(1),cl->GetDetInd(2))*TMath::DegToRad(); |
d686d062 | 726 | Float_t sinth = TMath::Sin(tiltangle), costh = TMath::Cos(tiltangle); |
ca270b6d | 727 | Float_t sigmay2 = AliTOFGeometry::XPad()*AliTOFGeometry::XPad()/12.; |
728 | Float_t sigmaz2 = AliTOFGeometry::ZPad()*AliTOFGeometry::ZPad()/12.; | |
d686d062 | 729 | Float_t cov[6]; |
730 | cov[0] = sinphi*sinphi*sigmay2 + cosphi*cosphi*sinth*sinth*sigmaz2; | |
731 | cov[1] = -sinphi*cosphi*sigmay2 + sinphi*cosphi*sinth*sinth*sigmaz2; | |
732 | cov[2] = -cosphi*sinth*costh*sigmaz2; | |
733 | cov[3] = cosphi*cosphi*sigmay2 + sinphi*sinphi*sinth*sinth*sigmaz2; | |
734 | cov[4] = -sinphi*sinth*costh*sigmaz2; | |
735 | cov[5] = costh*costh*sigmaz2; | |
736 | p.SetXYZ(xyz[0],xyz[1],xyz[2],cov); | |
737 | ||
738 | // Detector numbering scheme | |
ca270b6d | 739 | Int_t nSector = AliTOFGeometry::NSectors(); |
740 | Int_t nPlate = AliTOFGeometry::NPlates(); | |
741 | Int_t nStripA = AliTOFGeometry::NStripA(); | |
742 | Int_t nStripB = AliTOFGeometry::NStripB(); | |
743 | Int_t nStripC = AliTOFGeometry::NStripC(); | |
d686d062 | 744 | |
745 | Int_t isector = cl->GetDetInd(0); | |
746 | if (isector >= nSector) | |
747 | AliError(Form("Wrong sector number in TOF (%d) !",isector)); | |
748 | Int_t iplate = cl->GetDetInd(1); | |
749 | if (iplate >= nPlate) | |
750 | AliError(Form("Wrong plate number in TOF (%d) !",iplate)); | |
751 | Int_t istrip = cl->GetDetInd(2); | |
752 | ||
753 | Int_t stripOffset = 0; | |
754 | switch (iplate) { | |
755 | case 0: | |
756 | stripOffset = 0; | |
757 | break; | |
758 | case 1: | |
759 | stripOffset = nStripC; | |
760 | break; | |
761 | case 2: | |
762 | stripOffset = nStripC+nStripB; | |
763 | break; | |
764 | case 3: | |
765 | stripOffset = nStripC+nStripB+nStripA; | |
766 | break; | |
767 | case 4: | |
768 | stripOffset = nStripC+nStripB+nStripA+nStripB; | |
769 | break; | |
770 | default: | |
771 | AliError(Form("Wrong plate number in TOF (%d) !",iplate)); | |
772 | break; | |
773 | }; | |
774 | ||
775 | Int_t idet = (2*(nStripC+nStripB)+nStripA)*isector + | |
776 | stripOffset + | |
777 | istrip; | |
778 | UShort_t volid = AliGeomManager::LayerToVolUID(AliGeomManager::kTOF,idet); | |
779 | p.SetVolumeID((UShort_t)volid); | |
780 | return kTRUE; | |
781 | } | |
782 | //_________________________________________________________________________ | |
783 | void AliTOFtrackerV1::InitCheckHists() { | |
784 | ||
785 | //Init histos for Digits/Reco QA and Calibration | |
786 | ||
3a646035 | 787 | TDirectory *dir = gDirectory; |
788 | TFile *logFileTOF = 0; | |
789 | ||
790 | TSeqCollection *list = gROOT->GetListOfFiles(); | |
791 | int n = list->GetEntries(); | |
792 | Bool_t isThere=kFALSE; | |
793 | for(int i=0; i<n; i++) { | |
794 | logFileTOF = (TFile*)list->At(i); | |
795 | if (strstr(logFileTOF->GetName(), "TOFQA.root")){ | |
796 | isThere=kTRUE; | |
797 | break; | |
798 | } | |
799 | } | |
800 | ||
801 | if(!isThere)logFileTOF = new TFile( "TOFQA.root","RECREATE"); | |
802 | logFileTOF->cd(); | |
803 | ||
d686d062 | 804 | //Digits "QA" |
805 | fHDigClusMap = new TH2F("TOFDig_ClusMap", "",182,0.5,182.5,864, 0.5,864.5); | |
806 | fHDigNClus = new TH1F("TOFDig_NClus", "",200,0.5,200.5); | |
807 | fHDigClusTime = new TH1F("TOFDig_ClusTime", "",2000,0.,200.); | |
808 | fHDigClusToT = new TH1F("TOFDig_ClusToT", "",500,0.,100); | |
809 | ||
810 | //Reco "QA" | |
811 | fHRecNClus =new TH1F("TOFRec_NClusW", "",50,0.5,50.5); | |
812 | fHRecDistZ=new TH1F("TOFRec_DistZ", "",50,0.5,10.5); | |
813 | fHRecChi2=new TH1F("TOFRec_Chi2", "",100,0.,10.); | |
814 | fHRecSigYVsP=new TH2F("TOFDig_SigYVsP", "",40,0.,4.,100, 0.,5.); | |
815 | fHRecSigZVsP=new TH2F("TOFDig_SigZVsP", "",40,0.,4.,100, 0.,5.); | |
816 | fHRecSigYVsPWin=new TH2F("TOFDig_SigYVsPWin", "",40,0.,4.,100, 0.,50.); | |
817 | fHRecSigZVsPWin=new TH2F("TOFDig_SigZVsPWin", "",40,0.,4.,100, 0.,50.); | |
3a646035 | 818 | |
819 | dir->cd(); | |
820 | ||
d686d062 | 821 | } |
822 | ||
823 | //_________________________________________________________________________ | |
824 | void AliTOFtrackerV1::SaveCheckHists() { | |
825 | ||
826 | //write histos for Digits/Reco QA and Calibration | |
827 | ||
828 | TDirectory *dir = gDirectory; | |
829 | TFile *logFile = 0; | |
830 | TFile *logFileTOF = 0; | |
831 | ||
832 | TSeqCollection *list = gROOT->GetListOfFiles(); | |
833 | int n = list->GetEntries(); | |
834 | for(int i=0; i<n; i++) { | |
835 | logFile = (TFile*)list->At(i); | |
836 | if (strstr(logFile->GetName(), "AliESDs.root")) break; | |
837 | } | |
838 | ||
839 | Bool_t isThere=kFALSE; | |
840 | for(int i=0; i<n; i++) { | |
841 | logFileTOF = (TFile*)list->At(i); | |
842 | if (strstr(logFileTOF->GetName(), "TOFQA.root")){ | |
843 | isThere=kTRUE; | |
844 | break; | |
845 | } | |
846 | } | |
847 | ||
3a646035 | 848 | if(!isThere) { |
849 | AliError(Form("File TOFQA.root not found!! not wring histograms....")); | |
850 | return; | |
851 | } | |
d686d062 | 852 | logFile->cd(); |
853 | fHDigClusMap->Write(fHDigClusMap->GetName(), TObject::kOverwrite); | |
854 | fHDigNClus->Write(fHDigNClus->GetName(), TObject::kOverwrite); | |
855 | fHDigClusTime->Write(fHDigClusTime->GetName(), TObject::kOverwrite); | |
856 | fHDigClusToT->Write(fHDigClusToT->GetName(), TObject::kOverwrite); | |
857 | fHRecNClus->Write(fHRecNClus->GetName(), TObject::kOverwrite); | |
858 | fHRecChi2->Write(fHRecChi2->GetName(), TObject::kOverwrite); | |
859 | fHRecDistZ->Write(fHRecDistZ->GetName(), TObject::kOverwrite); | |
860 | fHRecSigYVsP->Write(fHRecSigYVsP->GetName(), TObject::kOverwrite); | |
861 | fHRecSigZVsP->Write(fHRecSigZVsP->GetName(), TObject::kOverwrite); | |
862 | fHRecSigYVsPWin->Write(fHRecSigYVsPWin->GetName(), TObject::kOverwrite); | |
863 | fHRecSigZVsPWin->Write(fHRecSigZVsPWin->GetName(), TObject::kOverwrite); | |
864 | logFile->Flush(); | |
865 | ||
d686d062 | 866 | dir->cd(); |
3a646035 | 867 | |
d686d062 | 868 | } |
869 | //_________________________________________________________________________ | |
d3be4547 | 870 | Float_t AliTOFtrackerV1::CorrectTimeWalk( Float_t dist, Float_t tof) const { |
d686d062 | 871 | |
872 | //dummy, for the moment | |
873 | Float_t tofcorr=0.; | |
ca270b6d | 874 | if(dist<AliTOFGeometry::ZPad()*0.5){ |
d686d062 | 875 | tofcorr=tof; |
876 | //place here the actual correction | |
877 | }else{ | |
878 | tofcorr=tof; | |
879 | } | |
880 | return tofcorr; | |
881 | } | |
882 | //_________________________________________________________________________ | |
d3be4547 | 883 | Float_t AliTOFtrackerV1::GetTimeZerofromT0(const AliESDEvent * const event) const { |
d686d062 | 884 | |
885 | //Returns TimeZero as measured by T0 detector | |
886 | ||
887 | return event->GetT0(); | |
888 | } | |
889 | //_________________________________________________________________________ | |
890 | Float_t AliTOFtrackerV1::GetTimeZerofromTOF(AliESDEvent * /*event*/) const { | |
891 | ||
892 | //dummy, for the moment. T0 algorithm using tracks on TOF | |
893 | { | |
894 | //place T0 algo here... | |
895 | } | |
896 | return 0.; | |
897 | } | |
128563f6 | 898 | //_________________________________________________________________________ |
899 | ||
900 | void AliTOFtrackerV1::FillClusterArray(TObjArray* arr) const | |
901 | { | |
902 | // | |
903 | // Returns the TOF cluster array | |
904 | // | |
905 | ||
906 | if (fN==0) | |
907 | arr = 0x0; | |
908 | else | |
909 | for (Int_t i=0; i<fN; ++i) arr->Add(fClusters[i]); | |
910 | ||
911 | } |