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596a855f | 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 | **************************************************************************/ | |
0e46b9ae | 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 | ||
08048cd3 | 29 | #include <Rtypes.h> |
30 | #include <TROOT.h> | |
571dda3d | 31 | |
5c7c93fa | 32 | #include <TSeqCollection.h> |
08048cd3 | 33 | #include <TClonesArray.h> |
34 | #include <TGeoManager.h> | |
35 | #include <TTree.h> | |
36 | #include <TFile.h> | |
37 | #include <TH2F.h> | |
571dda3d | 38 | |
5c7c93fa | 39 | #include "AliGeomManager.h" |
0e46b9ae | 40 | #include "AliESDtrack.h" |
af885e0f | 41 | #include "AliESDEvent.h" |
d076c8d5 | 42 | #include "AliLog.h" |
0e46b9ae | 43 | #include "AliTrackPointArray.h" |
5c7c93fa | 44 | #include "AliCDBManager.h" |
596a855f | 45 | |
5c7c93fa | 46 | #include "AliTOFpidESD.h" |
e0ddb533 | 47 | #include "AliTOFRecoParam.h" |
3a646035 | 48 | #include "AliTOFReconstructor.h" |
571dda3d | 49 | #include "AliTOFcluster.h" |
ba66add8 | 50 | #include "AliTOFGeometry.h" |
571dda3d | 51 | #include "AliTOFtracker.h" |
0e46b9ae | 52 | #include "AliTOFtrack.h" |
571dda3d | 53 | |
0e46b9ae | 54 | extern TGeoManager *gGeoManager; |
d200609f | 55 | extern TROOT *gROOT; |
d4754572 | 56 | |
596a855f | 57 | ClassImp(AliTOFtracker) |
58 | ||
74ea065c | 59 | //_____________________________________________________________________________ |
e0ddb533 | 60 | AliTOFtracker::AliTOFtracker(): |
61 | fRecoParam(0x0), | |
62 | fGeom(0x0), | |
63 | fPid(0x0), | |
58d8d9a3 | 64 | fN(0), |
65 | fNseeds(0), | |
66 | fNseedsTOF(0), | |
67 | fngoodmatch(0), | |
68 | fnbadmatch(0), | |
69 | fnunmatch(0), | |
70 | fnmatch(0), | |
9d802709 | 71 | fTracks(new TClonesArray("AliTOFtrack")), |
72 | fSeeds(new TClonesArray("AliESDtrack")), | |
5664c6ed | 73 | fHDigClusMap(0x0), |
74 | fHDigNClus(0x0), | |
75 | fHDigClusTime(0x0), | |
76 | fHDigClusToT(0x0), | |
77 | fHRecNClus(0x0), | |
78 | fHRecDist(0x0), | |
79 | fHRecSigYVsP(0x0), | |
80 | fHRecSigZVsP(0x0), | |
81 | fHRecSigYVsPWin(0x0), | |
82 | fHRecSigZVsPWin(0x0), | |
83 | fCalTree(0x0), | |
84 | fIch(-1), | |
85 | fToT(-1.), | |
86 | fTime(-1.), | |
87 | fExpTimePi(-1.), | |
88 | fExpTimeKa(-1.), | |
89 | fExpTimePr(-1.) | |
58d8d9a3 | 90 | { |
74ea065c | 91 | //AliTOFtracker main Ctor |
e0ddb533 | 92 | |
91219c0b | 93 | // Gettimg the geometry |
ba66add8 | 94 | fGeom= new AliTOFGeometry(); |
3a646035 | 95 | |
e0ddb533 | 96 | InitCheckHists(); |
3a646035 | 97 | |
7aeeaf38 | 98 | } |
5664c6ed | 99 | //_____________________________________________________________________________ |
100 | AliTOFtracker::~AliTOFtracker() { | |
101 | // | |
102 | // Dtor | |
103 | // | |
e0ddb533 | 104 | |
5664c6ed | 105 | SaveCheckHists(); |
e0ddb533 | 106 | |
5d456bcd | 107 | if(!(AliCDBManager::Instance()->GetCacheFlag())){ |
108 | delete fRecoParam; | |
109 | } | |
e0ddb533 | 110 | delete fGeom; |
111 | delete fPid; | |
5664c6ed | 112 | delete fHDigClusMap; |
113 | delete fHDigNClus; | |
114 | delete fHDigClusTime; | |
115 | delete fHDigClusToT; | |
116 | delete fHRecNClus; | |
117 | delete fHRecDist; | |
118 | delete fHRecSigYVsP; | |
119 | delete fHRecSigZVsP; | |
120 | delete fHRecSigYVsPWin; | |
121 | delete fHRecSigZVsPWin; | |
122 | delete fCalTree; | |
9d802709 | 123 | if (fTracks){ |
124 | fTracks->Delete(); | |
125 | delete fTracks; | |
126 | fTracks=0x0; | |
127 | } | |
128 | if (fSeeds){ | |
129 | fSeeds->Delete(); | |
130 | delete fSeeds; | |
131 | fSeeds=0x0; | |
132 | } | |
133 | ||
5664c6ed | 134 | } |
74ea065c | 135 | //_____________________________________________________________________________ |
af885e0f | 136 | Int_t AliTOFtracker::PropagateBack(AliESDEvent* event) { |
74ea065c | 137 | // |
138 | // Gets seeds from ESD event and Match with TOF Clusters | |
139 | // | |
140 | ||
3a646035 | 141 | // initialize RecoParam for current event |
142 | ||
143 | AliInfo("Initializing params for TOF... "); | |
144 | ||
145 | fRecoParam = AliTOFReconstructor::GetRecoParam(); // instantiate reco param from STEER... | |
90b234fe | 146 | |
3a646035 | 147 | if (fRecoParam == 0x0) { |
148 | AliFatal("No Reco Param found for TOF!!!"); | |
149 | } | |
150 | //fRecoParam->Dump(); | |
a825d829 | 151 | //if(fRecoParam->GetApplyPbPbCuts())fRecoParam=fRecoParam->GetPbPbparam(); |
90b234fe | 152 | //fRecoParam->PrintParameters(); |
153 | ||
3a646035 | 154 | Double_t parPID[2]; |
155 | parPID[0]=fRecoParam->GetTimeResolution(); | |
156 | parPID[1]=fRecoParam->GetTimeNSigma(); | |
157 | fPid=new AliTOFpidESD(parPID); | |
74ea065c | 158 | |
159 | //Initialise some counters | |
160 | ||
161 | fNseeds=0; | |
162 | fNseedsTOF=0; | |
163 | fngoodmatch=0; | |
164 | fnbadmatch=0; | |
165 | fnunmatch=0; | |
166 | fnmatch=0; | |
167 | ||
168 | Int_t ntrk=event->GetNumberOfTracks(); | |
169 | fNseeds = ntrk; | |
74ea065c | 170 | TClonesArray &aESDTrack = *fSeeds; |
171 | ||
172 | ||
173 | //Load ESD tracks into a local Array of ESD Seeds | |
174 | ||
175 | for (Int_t i=0; i<fNseeds; i++) { | |
176 | AliESDtrack *t=event->GetTrack(i); | |
177 | new(aESDTrack[i]) AliESDtrack(*t); | |
178 | } | |
179 | ||
180 | //Prepare ESD tracks candidates for TOF Matching | |
181 | CollectESD(); | |
182 | ||
183 | //First Step with Strict Matching Criterion | |
184 | MatchTracks(kFALSE); | |
185 | ||
186 | //Second Step with Looser Matching Criterion | |
187 | MatchTracks(kTRUE); | |
188 | ||
d076c8d5 | 189 | AliInfo(Form("Number of matched tracks: %d",fnmatch)); |
190 | AliInfo(Form("Number of good matched tracks: %d",fngoodmatch)); | |
191 | AliInfo(Form("Number of bad matched tracks: %d",fnbadmatch)); | |
74ea065c | 192 | |
193 | //Update the matched ESD tracks | |
194 | ||
195 | for (Int_t i=0; i<ntrk; i++) { | |
196 | AliESDtrack *t=event->GetTrack(i); | |
197 | AliESDtrack *seed =(AliESDtrack*)fSeeds->UncheckedAt(i); | |
198 | if(seed->GetTOFsignal()>0){ | |
199 | t->SetTOFsignal(seed->GetTOFsignal()); | |
200 | t->SetTOFcluster(seed->GetTOFcluster()); | |
a533f541 | 201 | t->SetTOFsignalToT(seed->GetTOFsignalToT()); |
d321691a | 202 | t->SetTOFsignalRaw(seed->GetTOFsignalRaw()); |
203 | t->SetTOFsignalDz(seed->GetTOFsignalDz()); | |
a533f541 | 204 | t->SetTOFCalChannel(seed->GetTOFCalChannel()); |
11c7ff68 | 205 | Int_t tlab[3]; seed->GetTOFLabel(tlab); |
206 | t->SetTOFLabel(tlab); | |
74ea065c | 207 | AliTOFtrack *track = new AliTOFtrack(*seed); |
a533f541 | 208 | t->UpdateTrackParams(track,AliESDtrack::kTOFout); |
74ea065c | 209 | delete track; |
210 | } | |
211 | } | |
212 | ||
e0ddb533 | 213 | //Handle Time Zero information |
91219c0b | 214 | |
e0ddb533 | 215 | Double_t timeZero=0.; |
216 | Double_t timeZeroMax=99999.; | |
217 | Bool_t usetimeZero = fRecoParam->UseTimeZero(); | |
218 | Bool_t timeZeroFromT0 = fRecoParam->GetTimeZerofromT0(); | |
219 | Bool_t timeZeroFromTOF = fRecoParam->GetTimeZerofromTOF(); | |
91219c0b | 220 | |
a838421b | 221 | AliDebug(1,Form("Use Time Zero?: %d",usetimeZero)); |
222 | AliDebug(1,Form("Time Zero from T0? : %d",timeZeroFromT0)); | |
223 | AliDebug(1,Form("Time Zero From TOF? : %d",timeZeroFromTOF)); | |
e0ddb533 | 224 | |
225 | if(usetimeZero){ | |
226 | if(timeZeroFromT0){ | |
227 | timeZero=GetTimeZerofromT0(event); | |
228 | } | |
229 | if(timeZeroFromTOF && (timeZero>timeZeroMax || !timeZeroFromT0)){ | |
230 | timeZero=GetTimeZerofromTOF(event); | |
231 | } | |
232 | } | |
233 | AliDebug(2,Form("time Zero used in PID: %f",timeZero)); | |
74ea065c | 234 | //Make TOF PID |
e0ddb533 | 235 | fPid->MakePID(event,timeZero); |
74ea065c | 236 | |
9d802709 | 237 | fSeeds->Clear(); |
238 | fTracks->Clear(); | |
74ea065c | 239 | return 0; |
240 | ||
241 | } | |
242 | //_________________________________________________________________________ | |
243 | void AliTOFtracker::CollectESD() { | |
244 | //prepare the set of ESD tracks to be matched to clusters in TOF | |
5478df1f | 245 | |
246 | Int_t seedsTOF1=0; | |
247 | Int_t seedsTOF2=0; | |
74ea065c | 248 | |
74ea065c | 249 | TClonesArray &aTOFTrack = *fTracks; |
250 | for (Int_t i=0; i<fNseeds; i++) { | |
251 | ||
252 | AliESDtrack *t =(AliESDtrack*)fSeeds->UncheckedAt(i); | |
253 | if ((t->GetStatus()&AliESDtrack::kTPCout)==0)continue; | |
254 | ||
8dacd1bb | 255 | // TRD 'good' tracks, already propagated at 372 cm |
74ea065c | 256 | |
56da420e | 257 | AliTOFtrack *track = new AliTOFtrack(*t); // New |
258 | Double_t x = track->GetX(); //New | |
56da420e | 259 | if (((t->GetStatus()&AliESDtrack::kTRDout)!=0 ) && |
ba66add8 | 260 | ( x >= AliTOFGeometry::RinTOF()) ){ |
74ea065c | 261 | track->SetSeedIndex(i); |
262 | t->UpdateTrackParams(track,AliESDtrack::kTOFout); | |
263 | new(aTOFTrack[fNseedsTOF]) AliTOFtrack(*track); | |
264 | fNseedsTOF++; | |
5478df1f | 265 | seedsTOF1++; |
74ea065c | 266 | delete track; |
267 | } | |
268 | ||
269 | // Propagate the rest of TPCbp | |
270 | ||
271 | else { | |
e0ddb533 | 272 | if(track->PropagateToInnerTOF()){ |
74ea065c | 273 | track->SetSeedIndex(i); |
274 | t->UpdateTrackParams(track,AliESDtrack::kTOFout); | |
275 | new(aTOFTrack[fNseedsTOF]) AliTOFtrack(*track); | |
276 | fNseedsTOF++; | |
5478df1f | 277 | seedsTOF2++; |
74ea065c | 278 | } |
279 | delete track; | |
280 | } | |
281 | } | |
282 | ||
5478df1f | 283 | AliInfo(Form("Number of TOF seeds %i",fNseedsTOF)); |
284 | AliInfo(Form("Number of TOF seeds Type 1 %i",seedsTOF1)); | |
285 | AliInfo(Form("Number of TOF seeds Type 2 %i",seedsTOF2)); | |
7b61cd9c | 286 | |
74ea065c | 287 | // Sort according uncertainties on track position |
288 | fTracks->Sort(); | |
289 | ||
290 | } | |
291 | //_________________________________________________________________________ | |
292 | void AliTOFtracker::MatchTracks( Bool_t mLastStep){ | |
293 | ||
e0ddb533 | 294 | |
295 | // Parameters used/regulating the reconstruction | |
296 | ||
297 | static Float_t corrLen=0.75; | |
298 | static Float_t detDepth=15.3; | |
d01bf4f4 | 299 | static Float_t padDepth=0.5; |
e0ddb533 | 300 | |
ba66add8 | 301 | Float_t dY=AliTOFGeometry::XPad(); |
302 | Float_t dZ=AliTOFGeometry::ZPad(); | |
e0ddb533 | 303 | |
304 | Float_t sensRadius = fRecoParam->GetSensRadius(); | |
305 | Float_t stepSize = fRecoParam->GetStepSize(); | |
306 | Float_t scaleFact = fRecoParam->GetWindowScaleFact(); | |
307 | Float_t dyMax=fRecoParam->GetWindowSizeMaxY(); | |
308 | Float_t dzMax=fRecoParam->GetWindowSizeMaxZ(); | |
309 | Float_t dCut=fRecoParam->GetDistanceCut(); | |
ac359ffe | 310 | Double_t maxChi2=fRecoParam->GetMaxChi2TRD(); |
e0ddb533 | 311 | Bool_t timeWalkCorr = fRecoParam->GetTimeWalkCorr(); |
a838421b | 312 | if(!mLastStep){ |
313 | AliDebug(1,"++++++++++++++TOF Reconstruction Parameters:++++++++++++ \n"); | |
314 | AliDebug(1,Form("TOF sens radius: %f",sensRadius)); | |
315 | AliDebug(1,Form("TOF step size: %f",stepSize)); | |
316 | AliDebug(1,Form("TOF Window scale factor: %f",scaleFact)); | |
317 | AliDebug(1,Form("TOF Window max dy: %f",dyMax)); | |
318 | AliDebug(1,Form("TOF Window max dz: %f",dzMax)); | |
319 | AliDebug(1,Form("TOF distance Cut: %f",dCut)); | |
320 | AliDebug(1,Form("TOF Max Chi2: %f",maxChi2)); | |
321 | AliDebug(1,Form("Time Walk Correction? : %d",timeWalkCorr)); | |
322 | } | |
74ea065c | 323 | //Match ESD tracks to clusters in TOF |
324 | ||
a533f541 | 325 | |
e0ddb533 | 326 | // Get the number of propagation steps |
327 | ||
328 | Int_t nSteps=(Int_t)(detDepth/stepSize); | |
7bf28302 | 329 | |
330 | //PH Arrays (moved outside of the loop) | |
e0ddb533 | 331 | |
7bf28302 | 332 | Float_t * trackPos[4]; |
333 | for (Int_t ii=0; ii<4; ii++) trackPos[ii] = new Float_t[nSteps]; | |
128563f6 | 334 | Int_t * clind = new Int_t[fN]; |
74ea065c | 335 | |
c0545837 | 336 | for (Int_t iseed=0; iseed<fNseedsTOF; iseed++) { |
74ea065c | 337 | |
c0545837 | 338 | AliTOFtrack *track =(AliTOFtrack*)fTracks->UncheckedAt(iseed); |
74ea065c | 339 | AliESDtrack *t =(AliESDtrack*)fSeeds->UncheckedAt(track->GetSeedIndex()); |
7bf28302 | 340 | if(t->GetTOFsignal()>0. ) continue; |
74ea065c | 341 | AliTOFtrack *trackTOFin =new AliTOFtrack(*track); |
74ea065c | 342 | |
d3c7bfac | 343 | // Some init |
74ea065c | 344 | |
345 | Int_t index[10000]; | |
346 | Float_t dist[10000]; | |
e0ddb533 | 347 | Float_t distZ[10000]; |
74ea065c | 348 | Float_t cxpos[10000]; |
349 | Float_t crecL[10000]; | |
c0545837 | 350 | TGeoHMatrix global[1000]; |
74ea065c | 351 | |
352 | // Determine a window around the track | |
353 | ||
354 | Double_t x,par[5]; | |
355 | trackTOFin->GetExternalParameters(x,par); | |
356 | Double_t cov[15]; | |
357 | trackTOFin->GetExternalCovariance(cov); | |
6c94f330 | 358 | |
74ea065c | 359 | Double_t dphi= |
e0ddb533 | 360 | scaleFact* |
361 | ((5*TMath::Sqrt(cov[0]) + 0.5*dY + 2.5*TMath::Abs(par[2]))/sensRadius); | |
74ea065c | 362 | Double_t dz= |
e0ddb533 | 363 | scaleFact* |
364 | (5*TMath::Sqrt(cov[2]) + 0.5*dZ + 2.5*TMath::Abs(par[3])); | |
6c94f330 | 365 | |
74ea065c | 366 | Double_t phi=TMath::ATan2(par[0],x) + trackTOFin->GetAlpha(); |
367 | if (phi<-TMath::Pi())phi+=2*TMath::Pi(); | |
368 | if (phi>=TMath::Pi())phi-=2*TMath::Pi(); | |
369 | Double_t z=par[1]; | |
370 | ||
c0545837 | 371 | //upper limit on window's size. |
372 | ||
e0ddb533 | 373 | if(dz> dzMax) dz=dzMax; |
374 | if(dphi*sensRadius> dyMax) dphi=dyMax/sensRadius; | |
c0545837 | 375 | |
376 | ||
74ea065c | 377 | Int_t nc=0; |
7b61cd9c | 378 | |
74ea065c | 379 | // find the clusters in the window of the track |
380 | ||
381 | for (Int_t k=FindClusterIndex(z-dz); k<fN; k++) { | |
7b61cd9c | 382 | |
74ea065c | 383 | AliTOFcluster *c=fClusters[k]; |
384 | if (c->GetZ() > z+dz) break; | |
385 | if (c->IsUsed()) continue; | |
11c7ff68 | 386 | |
17149e6b | 387 | if (!c->GetStatus()) { |
388 | AliDebug(1,"Cluster in channel declared bad!"); | |
389 | continue; // skip bad channels as declared in OCDB | |
390 | } | |
7b61cd9c | 391 | |
74ea065c | 392 | Double_t dph=TMath::Abs(c->GetPhi()-phi); |
393 | if (dph>TMath::Pi()) dph-=2.*TMath::Pi(); | |
9b49e4c9 | 394 | if (TMath::Abs(dph)>dphi) continue; |
ba66add8 | 395 | |
6c94f330 | 396 | Double_t yc=(c->GetPhi() - trackTOFin->GetAlpha())*c->GetR(); |
397 | Double_t p[2]={yc, c->GetZ()}; | |
3c609b5c | 398 | Double_t cov2[3]= {dY*dY/12., 0., dZ*dZ/12.}; |
399 | if (trackTOFin->AliExternalTrackParam::GetPredictedChi2(p,cov2) > maxChi2)continue; | |
6c94f330 | 400 | |
128563f6 | 401 | clind[nc] = k; |
c0545837 | 402 | Char_t path[100]; |
403 | Int_t ind[5]; | |
128563f6 | 404 | ind[0]=c->GetDetInd(0); |
405 | ind[1]=c->GetDetInd(1); | |
406 | ind[2]=c->GetDetInd(2); | |
407 | ind[3]=c->GetDetInd(3); | |
408 | ind[4]=c->GetDetInd(4); | |
c0545837 | 409 | fGeom->GetVolumePath(ind,path); |
410 | gGeoManager->cd(path); | |
411 | global[nc] = *gGeoManager->GetCurrentMatrix(); | |
74ea065c | 412 | nc++; |
413 | } | |
414 | ||
415 | //start fine propagation | |
416 | ||
417 | Int_t nStepsDone = 0; | |
418 | for( Int_t istep=0; istep<nSteps; istep++){ | |
419 | ||
ba66add8 | 420 | Float_t xs=AliTOFGeometry::RinTOF()+istep*0.1; |
421 | Double_t ymax=xs*TMath::Tan(0.5*AliTOFGeometry::GetAlpha()); | |
74ea065c | 422 | |
423 | Bool_t skip=kFALSE; | |
424 | Double_t ysect=trackTOFin->GetYat(xs,skip); | |
6c94f330 | 425 | if (skip) break; |
74ea065c | 426 | if (ysect > ymax) { |
ba66add8 | 427 | if (!trackTOFin->Rotate(AliTOFGeometry::GetAlpha())) { |
74ea065c | 428 | break; |
429 | } | |
430 | } else if (ysect <-ymax) { | |
ba66add8 | 431 | if (!trackTOFin->Rotate(AliTOFGeometry::GetAlpha())) { |
74ea065c | 432 | break; |
433 | } | |
434 | } | |
435 | ||
436 | if(!trackTOFin->PropagateTo(xs)) { | |
437 | break; | |
438 | } | |
439 | ||
440 | nStepsDone++; | |
441 | ||
442 | // store the running point (Globalrf) - fine propagation | |
443 | ||
6c94f330 | 444 | Double_t r[3]; |
445 | trackTOFin->GetXYZ(r); | |
446 | trackPos[0][istep]= (Float_t) r[0]; | |
447 | trackPos[1][istep]= (Float_t) r[1]; | |
448 | trackPos[2][istep]= (Float_t) r[2]; | |
74ea065c | 449 | trackPos[3][istep]= trackTOFin->GetIntegratedLength(); |
450 | } | |
451 | ||
452 | ||
453 | Int_t nfound = 0; | |
d01bf4f4 | 454 | Bool_t accept = kFALSE; |
455 | Bool_t isInside =kFALSE; | |
74ea065c | 456 | for (Int_t istep=0; istep<nStepsDone; istep++) { |
457 | ||
74ea065c | 458 | Float_t ctrackPos[3]; |
459 | ||
460 | ctrackPos[0]= trackPos[0][istep]; | |
461 | ctrackPos[1]= trackPos[1][istep]; | |
462 | ctrackPos[2]= trackPos[2][istep]; | |
463 | ||
464 | //now see whether the track matches any of the TOF clusters | |
465 | ||
d01bf4f4 | 466 | Float_t dist3d[3]; |
467 | accept=kFALSE; | |
74ea065c | 468 | for (Int_t i=0; i<nc; i++){ |
d01bf4f4 | 469 | isInside=fGeom->IsInsideThePad(global[i],ctrackPos,dist3d); |
470 | ||
471 | if( mLastStep){ | |
472 | Float_t xLoc=dist3d[0]; | |
473 | Float_t rLoc=TMath::Sqrt(dist3d[1]*dist3d[1]+dist3d[2]*dist3d[2]); | |
474 | accept = (TMath::Abs(xLoc)<padDepth*0.5 && rLoc<dCut); | |
475 | } | |
476 | else{ | |
477 | accept = isInside; | |
478 | } | |
74ea065c | 479 | if(accept){ |
d01bf4f4 | 480 | dist[nfound]=TMath::Sqrt(dist3d[0]*dist3d[0]+dist3d[1]*dist3d[1]+dist3d[2]*dist3d[2]); |
e0ddb533 | 481 | distZ[nfound]=dist3d[2]; |
74ea065c | 482 | crecL[nfound]=trackPos[3][istep]; |
128563f6 | 483 | index[nfound]=clind[i]; // store cluster id |
ba66add8 | 484 | cxpos[nfound]=AliTOFGeometry::RinTOF()+istep*0.1; //store prop.radius |
74ea065c | 485 | nfound++; |
d01bf4f4 | 486 | if(accept &&!mLastStep)break; |
74ea065c | 487 | }//end if accept |
488 | } //end for on the clusters | |
d01bf4f4 | 489 | if(accept &&!mLastStep)break; |
74ea065c | 490 | } //end for on the steps |
491 | ||
9b49e4c9 | 492 | |
493 | ||
74ea065c | 494 | if (nfound == 0 ) { |
495 | fnunmatch++; | |
7bf28302 | 496 | delete trackTOFin; |
74ea065c | 497 | continue; |
498 | } | |
499 | ||
500 | fnmatch++; | |
501 | ||
502 | // now choose the cluster to be matched with the track. | |
503 | ||
90b234fe | 504 | Int_t idclus=-1; |
74ea065c | 505 | Float_t recL = 0.; |
506 | Float_t xpos=0.; | |
507 | Float_t mindist=1000.; | |
e0ddb533 | 508 | Float_t mindistZ=0.; |
74ea065c | 509 | for (Int_t iclus= 0; iclus<nfound;iclus++){ |
510 | if (dist[iclus]< mindist){ | |
511 | mindist = dist[iclus]; | |
e0ddb533 | 512 | mindistZ = distZ[iclus]; |
74ea065c | 513 | xpos = cxpos[iclus]; |
514 | idclus =index[iclus]; | |
e0ddb533 | 515 | recL=crecL[iclus]+corrLen*0.5; |
74ea065c | 516 | } |
517 | } | |
518 | ||
d01bf4f4 | 519 | |
74ea065c | 520 | AliTOFcluster *c=fClusters[idclus]; |
32ead898 | 521 | |
522 | AliDebug(2, Form("%7i %7i %10i %10i %10i %10i %7i", | |
523 | iseed, | |
3a646035 | 524 | fnmatch-1, |
32ead898 | 525 | TMath::Abs(trackTOFin->GetLabel()), |
526 | c->GetLabel(0), c->GetLabel(1), c->GetLabel(2), | |
527 | idclus)); // AdC | |
528 | ||
e0ddb533 | 529 | c->Use(); |
74ea065c | 530 | |
531 | // Track length correction for matching Step 2 | |
532 | ||
533 | if(mLastStep){ | |
534 | Float_t rc=TMath::Sqrt(c->GetR()*c->GetR() + c->GetZ()*c->GetZ()); | |
535 | Float_t rt=TMath::Sqrt(trackPos[0][70]*trackPos[0][70] | |
536 | +trackPos[1][70]*trackPos[1][70] | |
537 | +trackPos[2][70]*trackPos[2][70]); | |
538 | Float_t dlt=rc-rt; | |
539 | recL=trackPos[3][70]+dlt; | |
540 | } | |
541 | ||
542 | if ( | |
543 | (c->GetLabel(0)==TMath::Abs(trackTOFin->GetLabel())) | |
544 | || | |
545 | (c->GetLabel(1)==TMath::Abs(trackTOFin->GetLabel())) | |
546 | || | |
547 | (c->GetLabel(2)==TMath::Abs(trackTOFin->GetLabel())) | |
548 | ) { | |
549 | fngoodmatch++; | |
d3c7bfac | 550 | |
e0ddb533 | 551 | AliDebug(2,Form(" track label good %5i",trackTOFin->GetLabel())); |
d3c7bfac | 552 | |
74ea065c | 553 | } |
554 | else{ | |
555 | fnbadmatch++; | |
d3c7bfac | 556 | |
e0ddb533 | 557 | AliDebug(2,Form(" track label bad %5i",trackTOFin->GetLabel())); |
d3c7bfac | 558 | |
74ea065c | 559 | } |
560 | ||
561 | delete trackTOFin; | |
562 | ||
a533f541 | 563 | // Store quantities to be used in the TOF Calibration |
ba66add8 | 564 | Float_t tToT=AliTOFGeometry::ToTBinWidth()*c->GetToT()*1E-3; // in ns |
7aeeaf38 | 565 | t->SetTOFsignalToT(tToT); |
ba66add8 | 566 | Float_t rawTime=AliTOFGeometry::TdcBinWidth()*c->GetTDCRAW()+32; // RAW time,in ps |
d321691a | 567 | t->SetTOFsignalRaw(rawTime); |
568 | t->SetTOFsignalDz(mindistZ); | |
ba66add8 | 569 | AliDebug(2,Form(" Setting TOF raw time: %f, z distance: %f time: %f = ",rawTime,mindistZ)); |
a533f541 | 570 | Int_t ind[5]; |
571 | ind[0]=c->GetDetInd(0); | |
572 | ind[1]=c->GetDetInd(1); | |
573 | ind[2]=c->GetDetInd(2); | |
574 | ind[3]=c->GetDetInd(3); | |
575 | ind[4]=c->GetDetInd(4); | |
ba66add8 | 576 | Int_t calindex = AliTOFGeometry::GetIndex(ind); |
a533f541 | 577 | t->SetTOFCalChannel(calindex); |
11c7ff68 | 578 | |
579 | // keep track of the track labels in the matched cluster | |
580 | Int_t tlab[3]; | |
581 | tlab[0]=c->GetLabel(0); | |
582 | tlab[1]=c->GetLabel(1); | |
583 | tlab[2]=c->GetLabel(2); | |
5478df1f | 584 | AliDebug(2,Form(" tdc time of the matched track %i = ",c->GetTDC())); |
ba66add8 | 585 | Double_t tof=AliTOFGeometry::TdcBinWidth()*c->GetTDC()+32; // in ps |
5478df1f | 586 | AliDebug(2,Form(" tof time of the matched track: %f = ",tof)); |
5478df1f | 587 | Double_t tofcorr=tof; |
588 | if(timeWalkCorr)tofcorr=CorrectTimeWalk(mindistZ,tof); | |
589 | AliDebug(2,Form(" tof time of the matched track, after TW corr: %f = ",tofcorr)); | |
590 | //Set TOF time signal and pointer to the matched cluster | |
591 | t->SetTOFsignal(tofcorr); | |
ee77ad87 | 592 | t->SetTOFcluster(idclus); // pointing to the recPoints tree |
5478df1f | 593 | |
5478df1f | 594 | //Tracking info |
f222e1d2 | 595 | Double_t time[AliPID::kSPECIES]; t->GetIntegratedTimes(time); |
74ea065c | 596 | Double_t mom=t->GetP(); |
f222e1d2 | 597 | for(Int_t j=0;j<AliPID::kSPECIES;j++){ |
304864ab | 598 | Double_t mass=AliPID::ParticleMass(j); |
74ea065c | 599 | time[j]+=(recL-trackPos[3][0])/3e-2*TMath::Sqrt(mom*mom+mass*mass)/mom; |
600 | } | |
601 | ||
602 | AliTOFtrack *trackTOFout = new AliTOFtrack(*t); | |
603 | trackTOFout->PropagateTo(xpos); | |
604 | t->UpdateTrackParams(trackTOFout,AliESDtrack::kTOFout); | |
605 | t->SetIntegratedLength(recL); | |
606 | t->SetIntegratedTimes(time); | |
11c7ff68 | 607 | t->SetTOFLabel(tlab); |
5478df1f | 608 | |
609 | ||
5664c6ed | 610 | // Fill Reco-QA histos for Reconstruction |
611 | fHRecNClus->Fill(nc); | |
612 | fHRecDist->Fill(mindist); | |
613 | fHRecSigYVsP->Fill(mom,TMath::Sqrt(cov[0])); | |
614 | fHRecSigZVsP->Fill(mom,TMath::Sqrt(cov[2])); | |
e0ddb533 | 615 | fHRecSigYVsPWin->Fill(mom,dphi*sensRadius); |
5664c6ed | 616 | fHRecSigZVsPWin->Fill(mom,dz); |
617 | ||
618 | // Fill Tree for on-the-fly offline Calibration | |
619 | ||
620 | if ( !((t->GetStatus() & AliESDtrack::kTIME)==0 )){ | |
5664c6ed | 621 | fIch=calindex; |
622 | fToT=tToT; | |
5478df1f | 623 | fTime=rawTime; |
5664c6ed | 624 | fExpTimePi=time[2]; |
625 | fExpTimeKa=time[3]; | |
626 | fExpTimePr=time[4]; | |
627 | fCalTree->Fill(); | |
628 | } | |
74ea065c | 629 | delete trackTOFout; |
630 | } | |
7bf28302 | 631 | for (Int_t ii=0; ii<4; ii++) delete [] trackPos[ii]; |
128563f6 | 632 | delete [] clind; |
ba66add8 | 633 | |
74ea065c | 634 | } |
635 | //_________________________________________________________________________ | |
7b61cd9c | 636 | Int_t AliTOFtracker::LoadClusters(TTree *cTree) { |
74ea065c | 637 | //-------------------------------------------------------------------- |
638 | //This function loads the TOF clusters | |
639 | //-------------------------------------------------------------------- | |
640 | ||
ba66add8 | 641 | Int_t npadX = AliTOFGeometry::NpadX(); |
642 | Int_t npadZ = AliTOFGeometry::NpadZ(); | |
643 | Int_t nStripA = AliTOFGeometry::NStripA(); | |
644 | Int_t nStripB = AliTOFGeometry::NStripB(); | |
645 | Int_t nStripC = AliTOFGeometry::NStripC(); | |
5664c6ed | 646 | |
7b61cd9c | 647 | TBranch *branch=cTree->GetBranch("TOF"); |
74ea065c | 648 | if (!branch) { |
7b61cd9c | 649 | AliError("can't get the branch with the TOF clusters !"); |
74ea065c | 650 | return 1; |
651 | } | |
652 | ||
9d802709 | 653 | static TClonesArray dummy("AliTOFcluster",10000); |
654 | dummy.Clear(); | |
655 | TClonesArray *clusters=&dummy; | |
7b61cd9c | 656 | branch->SetAddress(&clusters); |
74ea065c | 657 | |
7b61cd9c | 658 | cTree->GetEvent(0); |
659 | Int_t nc=clusters->GetEntriesFast(); | |
5664c6ed | 660 | fHDigNClus->Fill(nc); |
661 | ||
7b61cd9c | 662 | AliInfo(Form("Number of clusters: %d",nc)); |
74ea065c | 663 | |
7b61cd9c | 664 | for (Int_t i=0; i<nc; i++) { |
665 | AliTOFcluster *c=(AliTOFcluster*)clusters->UncheckedAt(i); | |
7b61cd9c | 666 | fClusters[i]=new AliTOFcluster(*c); fN++; |
5664c6ed | 667 | |
668 | // Fill Digits QA histos | |
669 | ||
670 | Int_t isector = c->GetDetInd(0); | |
671 | Int_t iplate = c->GetDetInd(1); | |
672 | Int_t istrip = c->GetDetInd(2); | |
673 | Int_t ipadX = c->GetDetInd(4); | |
674 | Int_t ipadZ = c->GetDetInd(3); | |
675 | ||
ba66add8 | 676 | Float_t time =(AliTOFGeometry::TdcBinWidth()*c->GetTDC())*1E-3; // in ns |
677 | Float_t tot = (AliTOFGeometry::TdcBinWidth()*c->GetToT())*1E-3;//in ns | |
5664c6ed | 678 | |
679 | Int_t stripOffset = 0; | |
680 | switch (iplate) { | |
681 | case 0: | |
682 | stripOffset = 0; | |
683 | break; | |
684 | case 1: | |
685 | stripOffset = nStripC; | |
686 | break; | |
687 | case 2: | |
688 | stripOffset = nStripC+nStripB; | |
689 | break; | |
690 | case 3: | |
691 | stripOffset = nStripC+nStripB+nStripA; | |
692 | break; | |
693 | case 4: | |
694 | stripOffset = nStripC+nStripB+nStripA+nStripB; | |
695 | break; | |
696 | default: | |
697 | AliError(Form("Wrong plate number in TOF (%d) !",iplate)); | |
698 | break; | |
699 | }; | |
700 | Int_t zindex=npadZ*(istrip+stripOffset)+(ipadZ+1); | |
701 | Int_t phiindex=npadX*isector+ipadX+1; | |
702 | fHDigClusMap->Fill(zindex,phiindex); | |
703 | fHDigClusTime->Fill(time); | |
704 | fHDigClusToT->Fill(tot); | |
705 | ||
7b61cd9c | 706 | } |
74ea065c | 707 | |
74ea065c | 708 | |
709 | return 0; | |
710 | } | |
711 | //_________________________________________________________________________ | |
712 | void AliTOFtracker::UnloadClusters() { | |
713 | //-------------------------------------------------------------------- | |
714 | //This function unloads TOF clusters | |
715 | //-------------------------------------------------------------------- | |
7b61cd9c | 716 | for (Int_t i=0; i<fN; i++) { |
717 | delete fClusters[i]; | |
718 | fClusters[i] = 0x0; | |
74ea065c | 719 | } |
7b61cd9c | 720 | fN=0; |
74ea065c | 721 | } |
722 | ||
723 | //_________________________________________________________________________ | |
724 | Int_t AliTOFtracker::FindClusterIndex(Double_t z) const { | |
725 | //-------------------------------------------------------------------- | |
726 | // This function returns the index of the nearest cluster | |
727 | //-------------------------------------------------------------------- | |
728 | if (fN==0) return 0; | |
729 | if (z <= fClusters[0]->GetZ()) return 0; | |
730 | if (z > fClusters[fN-1]->GetZ()) return fN; | |
731 | Int_t b=0, e=fN-1, m=(b+e)/2; | |
732 | for (; b<e; m=(b+e)/2) { | |
733 | if (z > fClusters[m]->GetZ()) b=m+1; | |
734 | else e=m; | |
735 | } | |
736 | return m; | |
737 | } | |
d4754572 | 738 | |
739 | //_________________________________________________________________________ | |
740 | Bool_t AliTOFtracker::GetTrackPoint(Int_t index, AliTrackPoint& p) const | |
741 | { | |
742 | // Get track space point with index i | |
743 | // Coordinates are in the global system | |
744 | AliTOFcluster *cl = fClusters[index]; | |
745 | Float_t xyz[3]; | |
746 | xyz[0] = cl->GetR()*TMath::Cos(cl->GetPhi()); | |
747 | xyz[1] = cl->GetR()*TMath::Sin(cl->GetPhi()); | |
748 | xyz[2] = cl->GetZ(); | |
468f26c6 | 749 | Float_t phiangle = (Int_t(cl->GetPhi()*TMath::RadToDeg()/20.)+0.5)*20.*TMath::DegToRad(); |
750 | Float_t sinphi = TMath::Sin(phiangle), cosphi = TMath::Cos(phiangle); | |
ba66add8 | 751 | Float_t tiltangle = AliTOFGeometry::GetAngles(cl->GetDetInd(1),cl->GetDetInd(2))*TMath::DegToRad(); |
468f26c6 | 752 | Float_t sinth = TMath::Sin(tiltangle), costh = TMath::Cos(tiltangle); |
ba66add8 | 753 | Float_t sigmay2 = AliTOFGeometry::XPad()*AliTOFGeometry::XPad()/12.; |
754 | Float_t sigmaz2 = AliTOFGeometry::ZPad()*AliTOFGeometry::ZPad()/12.; | |
468f26c6 | 755 | Float_t cov[6]; |
756 | cov[0] = sinphi*sinphi*sigmay2 + cosphi*cosphi*sinth*sinth*sigmaz2; | |
757 | cov[1] = -sinphi*cosphi*sigmay2 + sinphi*cosphi*sinth*sinth*sigmaz2; | |
758 | cov[2] = -cosphi*sinth*costh*sigmaz2; | |
759 | cov[3] = cosphi*cosphi*sigmay2 + sinphi*sinphi*sinth*sinth*sigmaz2; | |
760 | cov[4] = -sinphi*sinth*costh*sigmaz2; | |
761 | cov[5] = costh*costh*sigmaz2; | |
762 | p.SetXYZ(xyz[0],xyz[1],xyz[2],cov); | |
d4754572 | 763 | |
764 | // Detector numbering scheme | |
ba66add8 | 765 | Int_t nSector = AliTOFGeometry::NSectors(); |
766 | Int_t nPlate = AliTOFGeometry::NPlates(); | |
767 | Int_t nStripA = AliTOFGeometry::NStripA(); | |
768 | Int_t nStripB = AliTOFGeometry::NStripB(); | |
769 | Int_t nStripC = AliTOFGeometry::NStripC(); | |
d4754572 | 770 | |
771 | Int_t isector = cl->GetDetInd(0); | |
772 | if (isector >= nSector) | |
773 | AliError(Form("Wrong sector number in TOF (%d) !",isector)); | |
774 | Int_t iplate = cl->GetDetInd(1); | |
775 | if (iplate >= nPlate) | |
776 | AliError(Form("Wrong plate number in TOF (%d) !",iplate)); | |
777 | Int_t istrip = cl->GetDetInd(2); | |
778 | ||
779 | Int_t stripOffset = 0; | |
780 | switch (iplate) { | |
781 | case 0: | |
782 | stripOffset = 0; | |
783 | break; | |
784 | case 1: | |
785 | stripOffset = nStripC; | |
786 | break; | |
787 | case 2: | |
788 | stripOffset = nStripC+nStripB; | |
789 | break; | |
790 | case 3: | |
791 | stripOffset = nStripC+nStripB+nStripA; | |
792 | break; | |
793 | case 4: | |
794 | stripOffset = nStripC+nStripB+nStripA+nStripB; | |
795 | break; | |
796 | default: | |
797 | AliError(Form("Wrong plate number in TOF (%d) !",iplate)); | |
798 | break; | |
799 | }; | |
800 | ||
801 | Int_t idet = (2*(nStripC+nStripB)+nStripA)*isector + | |
802 | stripOffset + | |
803 | istrip; | |
ae079791 | 804 | UShort_t volid = AliGeomManager::LayerToVolUID(AliGeomManager::kTOF,idet); |
d4754572 | 805 | p.SetVolumeID((UShort_t)volid); |
806 | return kTRUE; | |
807 | } | |
5664c6ed | 808 | //_________________________________________________________________________ |
809 | void AliTOFtracker::InitCheckHists() { | |
810 | ||
811 | //Init histos for Digits/Reco QA and Calibration | |
812 | ||
813 | ||
0366f10f | 814 | TDirectory *dir = gDirectory; |
815 | TFile *logFileTOF = 0; | |
816 | ||
817 | TSeqCollection *list = gROOT->GetListOfFiles(); | |
818 | int n = list->GetEntries(); | |
819 | Bool_t isThere=kFALSE; | |
820 | for(int i=0; i<n; i++) { | |
821 | logFileTOF = (TFile*)list->At(i); | |
822 | if (strstr(logFileTOF->GetName(), "TOFQA.root")){ | |
823 | isThere=kTRUE; | |
824 | break; | |
825 | } | |
826 | } | |
827 | ||
828 | if(!isThere)logFileTOF = new TFile( "TOFQA.root","RECREATE"); | |
829 | logFileTOF->cd(); | |
830 | ||
5664c6ed | 831 | fCalTree = new TTree("CalTree", "Tree for TOF calibration"); |
832 | fCalTree->Branch("TOFchannelindex",&fIch,"iTOFch/I"); | |
833 | fCalTree->Branch("ToT",&fToT,"TOFToT/F"); | |
834 | fCalTree->Branch("TOFtime",&fTime,"TOFtime/F"); | |
835 | fCalTree->Branch("PionExpTime",&fExpTimePi,"PiExpTime/F"); | |
836 | fCalTree->Branch("KaonExpTime",&fExpTimeKa,"KaExpTime/F"); | |
837 | fCalTree->Branch("ProtonExpTime",&fExpTimePr,"PrExpTime/F"); | |
838 | ||
839 | //Digits "QA" | |
840 | fHDigClusMap = new TH2F("TOFDig_ClusMap", "",182,0.5,182.5,864, 0.5,864.5); | |
841 | fHDigNClus = new TH1F("TOFDig_NClus", "",200,0.5,200.5); | |
842 | fHDigClusTime = new TH1F("TOFDig_ClusTime", "",2000,0.,200.); | |
843 | fHDigClusToT = new TH1F("TOFDig_ClusToT", "",500,0.,100); | |
844 | ||
845 | //Reco "QA" | |
846 | fHRecNClus =new TH1F("TOFRec_NClusW", "",50,0.5,50.5); | |
847 | fHRecDist=new TH1F("TOFRec_Dist", "",50,0.5,10.5); | |
848 | fHRecSigYVsP=new TH2F("TOFDig_SigYVsP", "",40,0.,4.,100, 0.,5.); | |
849 | fHRecSigZVsP=new TH2F("TOFDig_SigZVsP", "",40,0.,4.,100, 0.,5.); | |
850 | fHRecSigYVsPWin=new TH2F("TOFDig_SigYVsPWin", "",40,0.,4.,100, 0.,50.); | |
851 | fHRecSigZVsPWin=new TH2F("TOFDig_SigZVsPWin", "",40,0.,4.,100, 0.,50.); | |
0366f10f | 852 | |
853 | dir->cd(); | |
854 | ||
5664c6ed | 855 | } |
856 | ||
857 | //_________________________________________________________________________ | |
858 | void AliTOFtracker::SaveCheckHists() { | |
859 | ||
860 | //write histos for Digits/Reco QA and Calibration | |
861 | ||
862 | TDirectory *dir = gDirectory; | |
5664c6ed | 863 | TFile *logFileTOF = 0; |
864 | ||
865 | TSeqCollection *list = gROOT->GetListOfFiles(); | |
d200609f | 866 | int n = list->GetEntries(); |
5664c6ed | 867 | Bool_t isThere=kFALSE; |
d200609f | 868 | for(int i=0; i<n; i++) { |
5664c6ed | 869 | logFileTOF = (TFile*)list->At(i); |
870 | if (strstr(logFileTOF->GetName(), "TOFQA.root")){ | |
871 | isThere=kTRUE; | |
872 | break; | |
873 | } | |
874 | } | |
875 | ||
0366f10f | 876 | if(!isThere) { |
877 | AliError(Form("File TOFQA.root not found!! not wring histograms....")); | |
878 | return; | |
879 | } | |
5664c6ed | 880 | logFileTOF->cd(); |
881 | fHDigClusMap->Write(fHDigClusMap->GetName(), TObject::kOverwrite); | |
882 | fHDigNClus->Write(fHDigNClus->GetName(), TObject::kOverwrite); | |
883 | fHDigClusTime->Write(fHDigClusTime->GetName(), TObject::kOverwrite); | |
884 | fHDigClusToT->Write(fHDigClusToT->GetName(), TObject::kOverwrite); | |
885 | fHRecNClus->Write(fHRecNClus->GetName(), TObject::kOverwrite); | |
886 | fHRecDist->Write(fHRecDist->GetName(), TObject::kOverwrite); | |
887 | fHRecSigYVsP->Write(fHRecSigYVsP->GetName(), TObject::kOverwrite); | |
888 | fHRecSigZVsP->Write(fHRecSigZVsP->GetName(), TObject::kOverwrite); | |
889 | fHRecSigYVsPWin->Write(fHRecSigYVsPWin->GetName(), TObject::kOverwrite); | |
890 | fHRecSigZVsPWin->Write(fHRecSigZVsPWin->GetName(), TObject::kOverwrite); | |
891 | fCalTree->Write(fCalTree->GetName(),TObject::kOverwrite); | |
892 | logFileTOF->Flush(); | |
893 | ||
894 | dir->cd(); | |
895 | } | |
e0ddb533 | 896 | //_________________________________________________________________________ |
897 | Float_t AliTOFtracker::CorrectTimeWalk( Float_t dist, Float_t tof) { | |
898 | ||
899 | //dummy, for the moment | |
900 | Float_t tofcorr=0.; | |
ba66add8 | 901 | if(dist<AliTOFGeometry::ZPad()*0.5){ |
e0ddb533 | 902 | tofcorr=tof; |
903 | //place here the actual correction | |
904 | }else{ | |
905 | tofcorr=tof; | |
906 | } | |
907 | return tofcorr; | |
908 | } | |
909 | //_________________________________________________________________________ | |
af885e0f | 910 | Float_t AliTOFtracker::GetTimeZerofromT0(AliESDEvent *event) const { |
e0ddb533 | 911 | |
912 | //Returns TimeZero as measured by T0 detector | |
913 | ||
914 | return event->GetT0(); | |
915 | } | |
916 | //_________________________________________________________________________ | |
af885e0f | 917 | Float_t AliTOFtracker::GetTimeZerofromTOF(AliESDEvent * /*event*/) const { |
e0ddb533 | 918 | |
919 | //dummy, for the moment. T0 algorithm using tracks on TOF | |
920 | { | |
921 | //place T0 algo here... | |
922 | } | |
923 | return 0.; | |
924 | } | |
128563f6 | 925 | //_________________________________________________________________________ |
926 | ||
927 | void AliTOFtracker::FillClusterArray(TObjArray* arr) const | |
928 | { | |
929 | // | |
930 | // Returns the TOF cluster array | |
931 | // | |
932 | ||
933 | if (fN==0) | |
934 | arr = 0x0; | |
935 | else | |
936 | for (Int_t i=0; i<fN; ++i) arr->Add(fClusters[i]); | |
937 | ||
938 | } |