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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 | // // | |
18 | // AliTOFtrackerV1 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 <TClonesArray.h> | |
33 | #include <TTree.h> | |
34 | #include <TFile.h> | |
35 | #include <TH1F.h> | |
36 | #include <TH2F.h> | |
37 | ||
38 | #include "AliAlignObj.h" | |
39 | #include "AliESDtrack.h" | |
40 | #include "AliESDEvent.h" | |
41 | #include "AliLog.h" | |
42 | #include "AliTrackPointArray.h" | |
43 | ||
44 | #include "AliTOFcalib.h" | |
45 | #include "AliTOFRecoParam.h" | |
46 | #include "AliTOFcluster.h" | |
ca270b6d | 47 | #include "AliTOFGeometry.h" |
d686d062 | 48 | #include "AliTOFtrackerV1.h" |
49 | #include "AliTOFtrack.h" | |
50 | ||
d0c2872c | 51 | #include "AliCDBManager.h" |
52 | ||
d686d062 | 53 | extern TROOT *gROOT; |
54 | ||
55 | ClassImp(AliTOFtrackerV1) | |
56 | ||
57 | //_____________________________________________________________________________ | |
58 | AliTOFtrackerV1::AliTOFtrackerV1(): | |
59 | fRecoParam(0x0), | |
d686d062 | 60 | fPid(0x0), |
61 | fN(0), | |
62 | fNseeds(0), | |
63 | fNseedsTOF(0), | |
64 | fngoodmatch(0), | |
65 | fnbadmatch(0), | |
66 | fnunmatch(0), | |
67 | fnmatch(0), | |
68 | fTracks(0x0), | |
69 | fSeeds(0x0), | |
70 | fHDigClusMap(0x0), | |
71 | fHDigNClus(0x0), | |
72 | fHDigClusTime(0x0), | |
73 | fHDigClusToT(0x0), | |
74 | fHRecNClus(0x0), | |
75 | fHRecChi2(0x0), | |
76 | fHRecDistZ(0x0), | |
77 | fHRecSigYVsP(0x0), | |
78 | fHRecSigZVsP(0x0), | |
79 | fHRecSigYVsPWin(0x0), | |
80 | fHRecSigZVsPWin(0x0) | |
81 | { | |
82 | //AliTOFtrackerV1 main Ctor | |
83 | ||
d686d062 | 84 | // Read the reconstruction parameters from the OCDB |
ca270b6d | 85 | AliTOFcalib *calib = new AliTOFcalib(); |
d686d062 | 86 | fRecoParam = (AliTOFRecoParam*)calib->ReadRecParFromCDB("TOF/Calib",-1); |
87 | if(fRecoParam->GetApplyPbPbCuts())fRecoParam=fRecoParam->GetPbPbparam(); | |
d686d062 | 88 | Double_t parPID[2]; |
89 | parPID[0]=fRecoParam->GetTimeResolution(); | |
90 | parPID[1]=fRecoParam->GetTimeNSigma(); | |
91 | fPid=new AliTOFpidESD(parPID); | |
92 | InitCheckHists(); | |
ca270b6d | 93 | delete calib; |
d686d062 | 94 | |
95 | } | |
96 | //_____________________________________________________________________________ | |
97 | AliTOFtrackerV1::AliTOFtrackerV1(const AliTOFtrackerV1 &t): | |
98 | AliTracker(), | |
99 | fRecoParam(0x0), | |
d686d062 | 100 | fPid(0x0), |
101 | fN(0), | |
102 | fNseeds(0), | |
103 | fNseedsTOF(0), | |
104 | fngoodmatch(0), | |
105 | fnbadmatch(0), | |
106 | fnunmatch(0), | |
107 | fnmatch(0), | |
108 | fTracks(0x0), | |
109 | fSeeds(0x0), | |
110 | fHDigClusMap(0x0), | |
111 | fHDigNClus(0x0), | |
112 | fHDigClusTime(0x0), | |
113 | fHDigClusToT(0x0), | |
114 | fHRecNClus(0x0), | |
115 | fHRecChi2(0x0), | |
116 | fHRecDistZ(0x0), | |
117 | fHRecSigYVsP(0x0), | |
118 | fHRecSigZVsP(0x0), | |
119 | fHRecSigYVsPWin(0x0), | |
120 | fHRecSigZVsPWin(0x0) | |
121 | { | |
122 | //AliTOFtrackerV1 copy Ctor | |
123 | ||
124 | fNseeds=t.fNseeds; | |
125 | fNseeds=t.fNseeds; | |
126 | fNseedsTOF=t.fNseedsTOF; | |
127 | fngoodmatch=t.fngoodmatch; | |
128 | fnbadmatch=t.fnbadmatch; | |
129 | fnunmatch=t.fnunmatch; | |
130 | fnmatch=t.fnmatch; | |
131 | fRecoParam=t.fRecoParam; | |
d686d062 | 132 | fPid=t.fPid; |
133 | fSeeds=t.fSeeds; | |
134 | fTracks=t.fTracks; | |
135 | fN=t.fN; | |
136 | } | |
137 | ||
138 | //_____________________________________________________________________________ | |
139 | AliTOFtrackerV1& AliTOFtrackerV1::operator=(const AliTOFtrackerV1 &t) | |
140 | { | |
141 | //AliTOFtrackerV1 assignment operator | |
142 | ||
143 | this->fNseeds=t.fNseeds; | |
144 | this->fNseedsTOF=t.fNseedsTOF; | |
145 | this->fngoodmatch=t.fngoodmatch; | |
146 | this->fnbadmatch=t.fnbadmatch; | |
147 | this->fnunmatch=t.fnunmatch; | |
148 | this->fnmatch=t.fnmatch; | |
149 | this->fRecoParam = t.fRecoParam; | |
d686d062 | 150 | this->fPid = t.fPid; |
151 | this->fSeeds=t.fSeeds; | |
152 | this->fTracks=t.fTracks; | |
153 | this->fN=t.fN; | |
154 | return *this; | |
155 | ||
156 | } | |
157 | //_____________________________________________________________________________ | |
158 | AliTOFtrackerV1::~AliTOFtrackerV1() { | |
159 | // | |
160 | // Dtor | |
161 | // | |
162 | ||
163 | SaveCheckHists(); | |
164 | ||
5d456bcd | 165 | if(!(AliCDBManager::Instance()->GetCacheFlag())){ |
166 | delete fRecoParam; | |
167 | } | |
d686d062 | 168 | delete fPid; |
169 | delete fHDigClusMap; | |
170 | delete fHDigNClus; | |
171 | delete fHDigClusTime; | |
172 | delete fHDigClusToT; | |
173 | delete fHRecNClus; | |
174 | delete fHRecChi2; | |
175 | delete fHRecDistZ; | |
176 | delete fHRecSigYVsP; | |
177 | delete fHRecSigZVsP; | |
178 | delete fHRecSigYVsPWin; | |
179 | delete fHRecSigZVsPWin; | |
180 | } | |
181 | //_____________________________________________________________________________ | |
182 | Int_t AliTOFtrackerV1::PropagateBack(AliESDEvent* event) { | |
183 | // | |
184 | // Gets seeds from ESD event and Match with TOF Clusters | |
185 | // | |
186 | ||
187 | ||
188 | //Initialise some counters | |
189 | ||
190 | fNseeds=0; | |
191 | fNseedsTOF=0; | |
192 | fngoodmatch=0; | |
193 | fnbadmatch=0; | |
194 | fnunmatch=0; | |
195 | fnmatch=0; | |
196 | ||
197 | Int_t ntrk=event->GetNumberOfTracks(); | |
198 | fNseeds = ntrk; | |
199 | fSeeds= new TClonesArray("AliESDtrack",ntrk); | |
200 | TClonesArray &aESDTrack = *fSeeds; | |
201 | ||
202 | ||
203 | //Load ESD tracks into a local Array of ESD Seeds | |
204 | ||
205 | for (Int_t i=0; i<fNseeds; i++) { | |
206 | AliESDtrack *t=event->GetTrack(i); | |
207 | new(aESDTrack[i]) AliESDtrack(*t); | |
208 | } | |
209 | ||
210 | //Prepare ESD tracks candidates for TOF Matching | |
211 | CollectESD(); | |
212 | ||
213 | //Matching Step | |
214 | MatchTracks(); | |
215 | ||
216 | AliInfo(Form("Number of matched tracks: %d",fnmatch)); | |
217 | AliInfo(Form("Number of good matched tracks: %d",fngoodmatch)); | |
218 | AliInfo(Form("Number of bad matched tracks: %d",fnbadmatch)); | |
219 | ||
220 | //Update the matched ESD tracks | |
221 | ||
222 | for (Int_t i=0; i<ntrk; i++) { | |
223 | AliESDtrack *t=event->GetTrack(i); | |
224 | AliESDtrack *seed =(AliESDtrack*)fSeeds->UncheckedAt(i); | |
225 | if(seed->GetTOFsignal()>0){ | |
226 | t->SetTOFsignal(seed->GetTOFsignal()); | |
227 | t->SetTOFcluster(seed->GetTOFcluster()); | |
228 | t->SetTOFsignalToT(seed->GetTOFsignalToT()); | |
229 | t->SetTOFsignalRaw(seed->GetTOFsignalRaw()); | |
230 | t->SetTOFsignalDz(seed->GetTOFsignalDz()); | |
231 | t->SetTOFCalChannel(seed->GetTOFCalChannel()); | |
232 | Int_t tlab[3]; seed->GetTOFLabel(tlab); | |
233 | t->SetTOFLabel(tlab); | |
234 | AliTOFtrack *track = new AliTOFtrack(*seed); | |
235 | t->UpdateTrackParams(track,AliESDtrack::kTOFout); | |
236 | delete track; | |
237 | } | |
238 | } | |
239 | ||
240 | //Handle Time Zero information | |
241 | ||
242 | Double_t timeZero=0.; | |
243 | Double_t timeZeroMax=99999.; | |
244 | Bool_t usetimeZero = fRecoParam->UseTimeZero(); | |
245 | Bool_t timeZeroFromT0 = fRecoParam->GetTimeZerofromT0(); | |
246 | Bool_t timeZeroFromTOF = fRecoParam->GetTimeZerofromTOF(); | |
247 | ||
248 | AliDebug(1,Form("Use Time Zero?: %d",usetimeZero)); | |
249 | AliDebug(1,Form("Time Zero from T0? : %d",timeZeroFromT0)); | |
250 | AliDebug(1,Form("Time Zero From TOF? : %d",timeZeroFromTOF)); | |
251 | ||
252 | if(usetimeZero){ | |
253 | if(timeZeroFromT0){ | |
254 | timeZero=GetTimeZerofromT0(event); | |
255 | } | |
256 | if(timeZeroFromTOF && (timeZero>timeZeroMax || !timeZeroFromT0)){ | |
257 | timeZero=GetTimeZerofromTOF(event); | |
258 | } | |
259 | } | |
260 | AliDebug(2,Form("time Zero used in PID: %f",timeZero)); | |
261 | //Make TOF PID | |
262 | fPid->MakePID(event,timeZero); | |
263 | ||
264 | if (fSeeds) { | |
265 | fSeeds->Delete(); | |
266 | delete fSeeds; | |
267 | fSeeds = 0x0; | |
268 | } | |
269 | if (fTracks) { | |
270 | fTracks->Delete(); | |
271 | delete fTracks; | |
272 | fTracks = 0x0; | |
273 | } | |
274 | return 0; | |
275 | ||
276 | } | |
277 | //_________________________________________________________________________ | |
278 | void AliTOFtrackerV1::CollectESD() { | |
279 | //prepare the set of ESD tracks to be matched to clusters in TOF | |
280 | ||
281 | Int_t seedsTOF1=0; | |
282 | Int_t seedsTOF2=0; | |
283 | ||
284 | fTracks= new TClonesArray("AliTOFtrack"); | |
285 | TClonesArray &aTOFTrack = *fTracks; | |
286 | for (Int_t i=0; i<fNseeds; i++) { | |
287 | ||
288 | AliESDtrack *t =(AliESDtrack*)fSeeds->UncheckedAt(i); | |
289 | if ((t->GetStatus()&AliESDtrack::kTPCout)==0)continue; | |
290 | ||
291 | // TRD 'good' tracks, already propagated at 371 cm | |
292 | ||
293 | AliTOFtrack *track = new AliTOFtrack(*t); // New | |
294 | Double_t x = track->GetX(); //New | |
295 | ||
296 | if (((t->GetStatus()&AliESDtrack::kTRDout)!=0 ) && | |
ca270b6d | 297 | ( x >= AliTOFGeometry::RinTOF()) ){ |
d686d062 | 298 | track->SetSeedIndex(i); |
299 | t->UpdateTrackParams(track,AliESDtrack::kTOFout); | |
300 | new(aTOFTrack[fNseedsTOF]) AliTOFtrack(*track); | |
301 | fNseedsTOF++; | |
302 | seedsTOF1++; | |
303 | delete track; | |
304 | } | |
305 | ||
306 | // Propagate the rest of TPCbp | |
307 | ||
308 | else { | |
309 | if(track->PropagateToInnerTOF()){ | |
310 | track->SetSeedIndex(i); | |
311 | t->UpdateTrackParams(track,AliESDtrack::kTOFout); | |
312 | new(aTOFTrack[fNseedsTOF]) AliTOFtrack(*track); | |
313 | fNseedsTOF++; | |
314 | seedsTOF2++; | |
315 | } | |
316 | delete track; | |
317 | } | |
318 | } | |
319 | ||
320 | AliInfo(Form("Number of TOF seeds %i",fNseedsTOF)); | |
321 | AliInfo(Form("Number of TOF seeds Type 1 %i",seedsTOF1)); | |
322 | AliInfo(Form("Number of TOF seeds Type 2 %i",seedsTOF2)); | |
323 | ||
324 | // Sort according uncertainties on track position | |
325 | fTracks->Sort(); | |
326 | ||
327 | } | |
328 | //_________________________________________________________________________ | |
329 | void AliTOFtrackerV1::MatchTracks( ){ | |
330 | // | |
331 | //Match ESD tracks to clusters in TOF | |
332 | // | |
333 | ||
334 | ||
335 | // Parameters regulating the reconstruction | |
ca270b6d | 336 | Float_t dY=AliTOFGeometry::XPad(); |
337 | Float_t dZ=AliTOFGeometry::ZPad(); | |
d686d062 | 338 | |
3da9d64f | 339 | const Int_t kncmax = 100; |
d686d062 | 340 | Float_t sensRadius = fRecoParam->GetSensRadius(); |
341 | Float_t scaleFact = fRecoParam->GetWindowScaleFact(); | |
342 | Float_t dyMax=fRecoParam->GetWindowSizeMaxY(); | |
343 | Float_t dzMax=fRecoParam->GetWindowSizeMaxZ(); | |
344 | Double_t maxChi2=fRecoParam->GetMaxChi2(); | |
345 | Bool_t timeWalkCorr = fRecoParam->GetTimeWalkCorr(); | |
346 | AliDebug(1,"++++++++++++++TOF Reconstruction Parameters:++++++++++++ \n"); | |
347 | AliDebug(1,Form("TOF sens radius: %f",sensRadius)); | |
348 | AliDebug(1,Form("TOF Window scale factor: %f",scaleFact)); | |
349 | AliDebug(1,Form("TOF Window max dy: %f",dyMax)); | |
350 | AliDebug(1,Form("TOF Window max dz: %f",dzMax)); | |
351 | AliDebug(1,Form("TOF Max Chi2: %f",maxChi2)); | |
352 | AliDebug(1,Form("Time Walk Correction? : %d",timeWalkCorr)); | |
353 | ||
354 | ||
355 | //The matching loop | |
356 | ||
d686d062 | 357 | for (Int_t iseed=0; iseed<fNseedsTOF; iseed++) { |
358 | ||
359 | AliTOFtrack *track =(AliTOFtrack*)fTracks->UncheckedAt(iseed); | |
360 | AliESDtrack *t =(AliESDtrack*)fSeeds->UncheckedAt(track->GetSeedIndex()); | |
361 | if(t->GetTOFsignal()>0. ) continue; | |
362 | AliTOFtrack *trackTOFin =new AliTOFtrack(*track); | |
363 | ||
364 | // Determine a window around the track | |
365 | Double_t x,par[5]; trackTOFin->GetExternalParameters(x,par); | |
366 | Double_t cov[15]; trackTOFin->GetExternalCovariance(cov); | |
367 | ||
368 | Double_t z = par[1]; | |
369 | Double_t dz = scaleFact*3.*TMath::Sqrt(cov[2]+dZ*dZ/12); | |
370 | Double_t dphi = scaleFact*3.*TMath::Sqrt(cov[0]+dY*dY/12.)/sensRadius; | |
371 | ||
372 | Double_t phi=TMath::ATan2(par[0],x) + trackTOFin->GetAlpha(); | |
373 | if (phi<-TMath::Pi())phi+=2*TMath::Pi(); | |
374 | if (phi>=TMath::Pi())phi-=2*TMath::Pi(); | |
375 | ||
376 | //upper limit on window's size. | |
377 | if(dz> dzMax) dz=dzMax; | |
378 | if(dphi*sensRadius> dyMax) dphi=dyMax/sensRadius; | |
379 | ||
380 | ||
381 | // find the clusters inside the selected window | |
382 | Int_t nc=0; | |
3da9d64f | 383 | AliTOFcluster *clusters[kncmax]; // pointers to the clusters in the window |
384 | Int_t index[kncmax];//to keep track of the cluster index | |
d686d062 | 385 | for (Int_t k=FindClusterIndex(z-dz); k<fN; k++) { |
386 | AliTOFcluster *c=fClusters[k]; | |
3da9d64f | 387 | if(nc>kncmax)break; |
d686d062 | 388 | if(c->GetZ() > z+dz) break; |
389 | if(c->IsUsed()) continue; | |
390 | if(!c->GetStatus()) continue; // skip bad channels as declared in OCDB | |
391 | Float_t xyz[3]; c->GetGlobalXYZ(xyz); | |
392 | Double_t clPhi=TMath::ATan2(xyz[1],xyz[0]); | |
393 | Double_t dph=TMath::Abs(clPhi-phi); | |
394 | if (dph>TMath::Pi()) dph-=2.*TMath::Pi(); | |
395 | if (TMath::Abs(dph)>dphi) continue; | |
396 | clusters[nc]=c; | |
397 | index[nc] = k; | |
398 | nc++; | |
399 | } | |
400 | ||
401 | //start propagation: go to the average TOF pad middle plane at ~378.5 cm | |
402 | ||
403 | Float_t xTOF = sensRadius; | |
ca270b6d | 404 | Double_t ymax = xTOF*TMath::Tan(0.5*AliTOFGeometry::GetAlpha()); |
d686d062 | 405 | Bool_t skip = kFALSE; |
406 | Double_t ysect = trackTOFin->GetYat(xTOF,skip); | |
407 | if (skip) break; | |
408 | if (ysect > ymax) { | |
ca270b6d | 409 | if (!trackTOFin->Rotate(AliTOFGeometry::GetAlpha())) { |
d686d062 | 410 | break; |
411 | } | |
412 | } else if (ysect <-ymax) { | |
ca270b6d | 413 | if (!trackTOFin->Rotate(AliTOFGeometry::GetAlpha())) { |
d686d062 | 414 | break; |
415 | } | |
416 | } | |
417 | if(!trackTOFin->PropagateTo(xTOF)) { | |
418 | break; | |
419 | } | |
420 | ||
421 | ||
422 | AliTOFcluster *bestCluster=0; | |
423 | Double_t bestChi2=maxChi2; | |
424 | Int_t idclus=-1; | |
425 | for (Int_t i=0; i<nc; i++){ | |
426 | AliTOFcluster *c=clusters[i]; // one of the preselected clusters | |
427 | Double_t chi2=trackTOFin->GetPredictedChi2((AliCluster3D*)c); | |
428 | if (chi2 >= bestChi2) continue; | |
429 | bestChi2=chi2; | |
430 | bestCluster=c; | |
431 | idclus=index[i]; | |
432 | } | |
433 | ||
434 | if (!bestCluster) { // no matching , go to the next track | |
435 | fnunmatch++; | |
436 | delete trackTOFin; | |
437 | continue; | |
438 | } | |
439 | ||
440 | fnmatch++; | |
441 | bestCluster->Use(); | |
442 | if ( | |
443 | (bestCluster->GetLabel(0)==TMath::Abs(trackTOFin->GetLabel())) | |
444 | || | |
445 | (bestCluster->GetLabel(1)==TMath::Abs(trackTOFin->GetLabel())) | |
446 | || | |
447 | (bestCluster->GetLabel(2)==TMath::Abs(trackTOFin->GetLabel())) | |
448 | ) { | |
449 | fngoodmatch++; | |
450 | AliDebug(2,Form(" track label good %5i",trackTOFin->GetLabel())); | |
451 | ||
452 | } | |
453 | else{ | |
454 | fnbadmatch++; | |
455 | AliDebug(2,Form(" track label bad %5i",trackTOFin->GetLabel())); | |
456 | } | |
457 | ||
458 | //Propagate the track to the best matched cluster | |
459 | trackTOFin->PropagateTo(bestCluster); | |
460 | ||
461 | ||
462 | //now take the local distance in Z from the pad center for time walk correction | |
ca270b6d | 463 | Float_t tiltangle = AliTOFGeometry::GetAngles(bestCluster->GetDetInd(1),bestCluster->GetDetInd(2))*TMath::DegToRad(); |
d686d062 | 464 | Double_t dzTW=trackTOFin->GetZ()-bestCluster->GetZ(); // in cm |
465 | dzTW/=TMath::Cos(tiltangle); | |
466 | ||
467 | //update the ESD track and delete the TOFtrack | |
468 | t->UpdateTrackParams(trackTOFin,AliESDtrack::kTOFout); | |
469 | delete trackTOFin; | |
470 | ||
471 | // Store quantities to be used in the TOF Calibration | |
ca270b6d | 472 | Float_t tToT=AliTOFGeometry::ToTBinWidth()*bestCluster->GetToT()*1E-3; // in ns |
d686d062 | 473 | t->SetTOFsignalToT(tToT); |
ca270b6d | 474 | Float_t rawTime=AliTOFGeometry::TdcBinWidth()*bestCluster->GetTDCRAW()+32; // RAW time,in ps |
d686d062 | 475 | t->SetTOFsignalRaw(rawTime); |
476 | t->SetTOFsignalDz(dzTW); | |
477 | AliDebug(2,Form(" Setting TOF raw time: %f z distance: %f time: %f = ",rawTime,dzTW)); | |
478 | Int_t ind[5]; | |
479 | ind[0]=bestCluster->GetDetInd(0); | |
480 | ind[1]=bestCluster->GetDetInd(1); | |
481 | ind[2]=bestCluster->GetDetInd(2); | |
482 | ind[3]=bestCluster->GetDetInd(3); | |
483 | ind[4]=bestCluster->GetDetInd(4); | |
ca270b6d | 484 | Int_t calindex = AliTOFGeometry::GetIndex(ind); |
d686d062 | 485 | t->SetTOFCalChannel(calindex); |
486 | ||
487 | // keep track of the track labels in the matched cluster | |
488 | Int_t tlab[3]; | |
489 | tlab[0]=bestCluster->GetLabel(0); | |
490 | tlab[1]=bestCluster->GetLabel(1); | |
491 | tlab[2]=bestCluster->GetLabel(2); | |
492 | AliDebug(2,Form(" tdc time of the matched track %i = ",bestCluster->GetTDC())); | |
ca270b6d | 493 | Double_t tof=AliTOFGeometry::TdcBinWidth()*bestCluster->GetTDC()+32; // in ps |
d686d062 | 494 | AliDebug(2,Form(" tof time of the matched track: %f = ",tof)); |
495 | Double_t tofcorr=tof; | |
496 | if(timeWalkCorr)tofcorr=CorrectTimeWalk(dzTW,tof); | |
497 | AliDebug(2,Form(" tof time of the matched track, after TW corr: %f = ",tofcorr)); | |
498 | //Set TOF time signal and pointer to the matched cluster | |
499 | t->SetTOFsignal(tofcorr); | |
500 | t->SetTOFcluster(idclus); // pointing to the recPoints tree | |
501 | t->SetTOFLabel(tlab); | |
502 | ||
503 | Double_t mom=t->GetP(); | |
504 | // Fill Reco-QA histos for Reconstruction | |
505 | fHRecNClus->Fill(nc); | |
506 | fHRecChi2->Fill(bestChi2); | |
507 | fHRecDistZ->Fill(dzTW); | |
508 | fHRecSigYVsP->Fill(mom,TMath::Sqrt(cov[0])); | |
509 | fHRecSigZVsP->Fill(mom,TMath::Sqrt(cov[2])); | |
510 | fHRecSigYVsPWin->Fill(mom,dphi*sensRadius); | |
511 | fHRecSigZVsPWin->Fill(mom,dz); | |
512 | ||
513 | // Fill Tree for on-the-fly offline Calibration | |
514 | // no longer there - all info is in the ESDs now | |
515 | ||
516 | } | |
d686d062 | 517 | |
518 | } | |
519 | //_________________________________________________________________________ | |
520 | Int_t AliTOFtrackerV1::LoadClusters(TTree *cTree) { | |
521 | //-------------------------------------------------------------------- | |
522 | //This function loads the TOF clusters | |
523 | //-------------------------------------------------------------------- | |
524 | ||
ca270b6d | 525 | Int_t npadX = AliTOFGeometry::NpadX(); |
526 | Int_t npadZ = AliTOFGeometry::NpadZ(); | |
527 | Int_t nStripA = AliTOFGeometry::NStripA(); | |
528 | Int_t nStripB = AliTOFGeometry::NStripB(); | |
529 | Int_t nStripC = AliTOFGeometry::NStripC(); | |
d686d062 | 530 | |
531 | TBranch *branch=cTree->GetBranch("TOF"); | |
532 | if (!branch) { | |
533 | AliError("can't get the branch with the TOF clusters !"); | |
534 | return 1; | |
535 | } | |
536 | ||
537 | TClonesArray dummy("AliTOFcluster",10000), *clusters=&dummy; | |
538 | branch->SetAddress(&clusters); | |
539 | ||
540 | cTree->GetEvent(0); | |
541 | Int_t nc=clusters->GetEntriesFast(); | |
542 | fHDigNClus->Fill(nc); | |
543 | ||
544 | for (Int_t i=0; i<nc; i++) { | |
545 | AliTOFcluster *c=(AliTOFcluster*)clusters->UncheckedAt(i); | |
546 | fClusters[i]=new AliTOFcluster(*c); fN++; | |
547 | ||
548 | // Fill Digits QA histos | |
549 | ||
550 | Int_t isector = c->GetDetInd(0); | |
551 | Int_t iplate = c->GetDetInd(1); | |
552 | Int_t istrip = c->GetDetInd(2); | |
553 | Int_t ipadX = c->GetDetInd(4); | |
554 | Int_t ipadZ = c->GetDetInd(3); | |
555 | ||
ca270b6d | 556 | Float_t time =(AliTOFGeometry::TdcBinWidth()*c->GetTDC())*1E-3; // in ns |
557 | Float_t tot = (AliTOFGeometry::TdcBinWidth()*c->GetToT())*1E-3;//in ns | |
d686d062 | 558 | |
559 | Int_t stripOffset = 0; | |
560 | switch (iplate) { | |
561 | case 0: | |
562 | stripOffset = 0; | |
563 | break; | |
564 | case 1: | |
565 | stripOffset = nStripC; | |
566 | break; | |
567 | case 2: | |
568 | stripOffset = nStripC+nStripB; | |
569 | break; | |
570 | case 3: | |
571 | stripOffset = nStripC+nStripB+nStripA; | |
572 | break; | |
573 | case 4: | |
574 | stripOffset = nStripC+nStripB+nStripA+nStripB; | |
575 | break; | |
576 | default: | |
577 | AliError(Form("Wrong plate number in TOF (%d) !",iplate)); | |
578 | break; | |
579 | }; | |
580 | Int_t zindex=npadZ*(istrip+stripOffset)+(ipadZ+1); | |
581 | Int_t phiindex=npadX*isector+ipadX+1; | |
582 | fHDigClusMap->Fill(zindex,phiindex); | |
583 | fHDigClusTime->Fill(time); | |
584 | fHDigClusToT->Fill(tot); | |
585 | } | |
586 | ||
587 | ||
588 | return 0; | |
589 | } | |
590 | //_________________________________________________________________________ | |
591 | void AliTOFtrackerV1::UnloadClusters() { | |
592 | //-------------------------------------------------------------------- | |
593 | //This function unloads TOF clusters | |
594 | //-------------------------------------------------------------------- | |
595 | for (Int_t i=0; i<fN; i++) { | |
596 | delete fClusters[i]; | |
597 | fClusters[i] = 0x0; | |
598 | } | |
599 | fN=0; | |
600 | } | |
601 | ||
602 | //_________________________________________________________________________ | |
603 | Int_t AliTOFtrackerV1::FindClusterIndex(Double_t z) const { | |
604 | //-------------------------------------------------------------------- | |
605 | // This function returns the index of the nearest cluster | |
606 | //-------------------------------------------------------------------- | |
607 | //MOD | |
608 | //Here we need to get the Z in the tracking system | |
609 | ||
610 | if (fN==0) return 0; | |
611 | if (z <= fClusters[0]->GetZ()) return 0; | |
612 | if (z > fClusters[fN-1]->GetZ()) return fN; | |
613 | Int_t b=0, e=fN-1, m=(b+e)/2; | |
614 | for (; b<e; m=(b+e)/2) { | |
615 | if (z > fClusters[m]->GetZ()) b=m+1; | |
616 | else e=m; | |
617 | } | |
618 | return m; | |
619 | } | |
620 | ||
621 | //_________________________________________________________________________ | |
622 | Bool_t AliTOFtrackerV1::GetTrackPoint(Int_t index, AliTrackPoint& p) const | |
623 | { | |
624 | // Get track space point with index i | |
625 | // Coordinates are in the global system | |
626 | AliTOFcluster *cl = fClusters[index]; | |
627 | Float_t xyz[3]; | |
628 | cl->GetGlobalXYZ(xyz); | |
629 | Float_t phi=TMath::ATan2(xyz[1],xyz[0]); | |
630 | Float_t phiangle = (Int_t(phi*TMath::RadToDeg()/20.)+0.5)*20.*TMath::DegToRad(); | |
631 | Float_t sinphi = TMath::Sin(phiangle), cosphi = TMath::Cos(phiangle); | |
ca270b6d | 632 | Float_t tiltangle = AliTOFGeometry::GetAngles(cl->GetDetInd(1),cl->GetDetInd(2))*TMath::DegToRad(); |
d686d062 | 633 | Float_t sinth = TMath::Sin(tiltangle), costh = TMath::Cos(tiltangle); |
ca270b6d | 634 | Float_t sigmay2 = AliTOFGeometry::XPad()*AliTOFGeometry::XPad()/12.; |
635 | Float_t sigmaz2 = AliTOFGeometry::ZPad()*AliTOFGeometry::ZPad()/12.; | |
d686d062 | 636 | Float_t cov[6]; |
637 | cov[0] = sinphi*sinphi*sigmay2 + cosphi*cosphi*sinth*sinth*sigmaz2; | |
638 | cov[1] = -sinphi*cosphi*sigmay2 + sinphi*cosphi*sinth*sinth*sigmaz2; | |
639 | cov[2] = -cosphi*sinth*costh*sigmaz2; | |
640 | cov[3] = cosphi*cosphi*sigmay2 + sinphi*sinphi*sinth*sinth*sigmaz2; | |
641 | cov[4] = -sinphi*sinth*costh*sigmaz2; | |
642 | cov[5] = costh*costh*sigmaz2; | |
643 | p.SetXYZ(xyz[0],xyz[1],xyz[2],cov); | |
644 | ||
645 | // Detector numbering scheme | |
ca270b6d | 646 | Int_t nSector = AliTOFGeometry::NSectors(); |
647 | Int_t nPlate = AliTOFGeometry::NPlates(); | |
648 | Int_t nStripA = AliTOFGeometry::NStripA(); | |
649 | Int_t nStripB = AliTOFGeometry::NStripB(); | |
650 | Int_t nStripC = AliTOFGeometry::NStripC(); | |
d686d062 | 651 | |
652 | Int_t isector = cl->GetDetInd(0); | |
653 | if (isector >= nSector) | |
654 | AliError(Form("Wrong sector number in TOF (%d) !",isector)); | |
655 | Int_t iplate = cl->GetDetInd(1); | |
656 | if (iplate >= nPlate) | |
657 | AliError(Form("Wrong plate number in TOF (%d) !",iplate)); | |
658 | Int_t istrip = cl->GetDetInd(2); | |
659 | ||
660 | Int_t stripOffset = 0; | |
661 | switch (iplate) { | |
662 | case 0: | |
663 | stripOffset = 0; | |
664 | break; | |
665 | case 1: | |
666 | stripOffset = nStripC; | |
667 | break; | |
668 | case 2: | |
669 | stripOffset = nStripC+nStripB; | |
670 | break; | |
671 | case 3: | |
672 | stripOffset = nStripC+nStripB+nStripA; | |
673 | break; | |
674 | case 4: | |
675 | stripOffset = nStripC+nStripB+nStripA+nStripB; | |
676 | break; | |
677 | default: | |
678 | AliError(Form("Wrong plate number in TOF (%d) !",iplate)); | |
679 | break; | |
680 | }; | |
681 | ||
682 | Int_t idet = (2*(nStripC+nStripB)+nStripA)*isector + | |
683 | stripOffset + | |
684 | istrip; | |
685 | UShort_t volid = AliGeomManager::LayerToVolUID(AliGeomManager::kTOF,idet); | |
686 | p.SetVolumeID((UShort_t)volid); | |
687 | return kTRUE; | |
688 | } | |
689 | //_________________________________________________________________________ | |
690 | void AliTOFtrackerV1::InitCheckHists() { | |
691 | ||
692 | //Init histos for Digits/Reco QA and Calibration | |
693 | ||
694 | //Digits "QA" | |
695 | fHDigClusMap = new TH2F("TOFDig_ClusMap", "",182,0.5,182.5,864, 0.5,864.5); | |
696 | fHDigNClus = new TH1F("TOFDig_NClus", "",200,0.5,200.5); | |
697 | fHDigClusTime = new TH1F("TOFDig_ClusTime", "",2000,0.,200.); | |
698 | fHDigClusToT = new TH1F("TOFDig_ClusToT", "",500,0.,100); | |
699 | ||
700 | //Reco "QA" | |
701 | fHRecNClus =new TH1F("TOFRec_NClusW", "",50,0.5,50.5); | |
702 | fHRecDistZ=new TH1F("TOFRec_DistZ", "",50,0.5,10.5); | |
703 | fHRecChi2=new TH1F("TOFRec_Chi2", "",100,0.,10.); | |
704 | fHRecSigYVsP=new TH2F("TOFDig_SigYVsP", "",40,0.,4.,100, 0.,5.); | |
705 | fHRecSigZVsP=new TH2F("TOFDig_SigZVsP", "",40,0.,4.,100, 0.,5.); | |
706 | fHRecSigYVsPWin=new TH2F("TOFDig_SigYVsPWin", "",40,0.,4.,100, 0.,50.); | |
707 | fHRecSigZVsPWin=new TH2F("TOFDig_SigZVsPWin", "",40,0.,4.,100, 0.,50.); | |
708 | } | |
709 | ||
710 | //_________________________________________________________________________ | |
711 | void AliTOFtrackerV1::SaveCheckHists() { | |
712 | ||
713 | //write histos for Digits/Reco QA and Calibration | |
714 | ||
715 | TDirectory *dir = gDirectory; | |
716 | TFile *logFile = 0; | |
717 | TFile *logFileTOF = 0; | |
718 | ||
719 | TSeqCollection *list = gROOT->GetListOfFiles(); | |
720 | int n = list->GetEntries(); | |
721 | for(int i=0; i<n; i++) { | |
722 | logFile = (TFile*)list->At(i); | |
723 | if (strstr(logFile->GetName(), "AliESDs.root")) break; | |
724 | } | |
725 | ||
726 | Bool_t isThere=kFALSE; | |
727 | for(int i=0; i<n; i++) { | |
728 | logFileTOF = (TFile*)list->At(i); | |
729 | if (strstr(logFileTOF->GetName(), "TOFQA.root")){ | |
730 | isThere=kTRUE; | |
731 | break; | |
732 | } | |
733 | } | |
734 | ||
735 | logFile->cd(); | |
736 | fHDigClusMap->Write(fHDigClusMap->GetName(), TObject::kOverwrite); | |
737 | fHDigNClus->Write(fHDigNClus->GetName(), TObject::kOverwrite); | |
738 | fHDigClusTime->Write(fHDigClusTime->GetName(), TObject::kOverwrite); | |
739 | fHDigClusToT->Write(fHDigClusToT->GetName(), TObject::kOverwrite); | |
740 | fHRecNClus->Write(fHRecNClus->GetName(), TObject::kOverwrite); | |
741 | fHRecChi2->Write(fHRecChi2->GetName(), TObject::kOverwrite); | |
742 | fHRecDistZ->Write(fHRecDistZ->GetName(), TObject::kOverwrite); | |
743 | fHRecSigYVsP->Write(fHRecSigYVsP->GetName(), TObject::kOverwrite); | |
744 | fHRecSigZVsP->Write(fHRecSigZVsP->GetName(), TObject::kOverwrite); | |
745 | fHRecSigYVsPWin->Write(fHRecSigYVsPWin->GetName(), TObject::kOverwrite); | |
746 | fHRecSigZVsPWin->Write(fHRecSigZVsPWin->GetName(), TObject::kOverwrite); | |
747 | logFile->Flush(); | |
748 | ||
749 | if(!isThere)logFileTOF = new TFile( "TOFQA.root","RECREATE"); | |
750 | logFileTOF->cd(); | |
751 | fHDigClusMap->Write(fHDigClusMap->GetName(), TObject::kOverwrite); | |
752 | fHDigNClus->Write(fHDigNClus->GetName(), TObject::kOverwrite); | |
753 | fHDigClusTime->Write(fHDigClusTime->GetName(), TObject::kOverwrite); | |
754 | fHDigClusToT->Write(fHDigClusToT->GetName(), TObject::kOverwrite); | |
755 | fHRecNClus->Write(fHRecNClus->GetName(), TObject::kOverwrite); | |
756 | fHRecChi2->Write(fHRecChi2->GetName(), TObject::kOverwrite); | |
757 | fHRecDistZ->Write(fHRecDistZ->GetName(), TObject::kOverwrite); | |
758 | fHRecSigYVsP->Write(fHRecSigYVsP->GetName(), TObject::kOverwrite); | |
759 | fHRecSigZVsP->Write(fHRecSigZVsP->GetName(), TObject::kOverwrite); | |
760 | fHRecSigYVsPWin->Write(fHRecSigYVsPWin->GetName(), TObject::kOverwrite); | |
761 | fHRecSigZVsPWin->Write(fHRecSigZVsPWin->GetName(), TObject::kOverwrite); | |
762 | logFileTOF->Flush(); | |
763 | ||
764 | dir->cd(); | |
765 | } | |
766 | //_________________________________________________________________________ | |
767 | Float_t AliTOFtrackerV1::CorrectTimeWalk( Float_t dist, Float_t tof) { | |
768 | ||
769 | //dummy, for the moment | |
770 | Float_t tofcorr=0.; | |
ca270b6d | 771 | if(dist<AliTOFGeometry::ZPad()*0.5){ |
d686d062 | 772 | tofcorr=tof; |
773 | //place here the actual correction | |
774 | }else{ | |
775 | tofcorr=tof; | |
776 | } | |
777 | return tofcorr; | |
778 | } | |
779 | //_________________________________________________________________________ | |
780 | Float_t AliTOFtrackerV1::GetTimeZerofromT0(AliESDEvent *event) const { | |
781 | ||
782 | //Returns TimeZero as measured by T0 detector | |
783 | ||
784 | return event->GetT0(); | |
785 | } | |
786 | //_________________________________________________________________________ | |
787 | Float_t AliTOFtrackerV1::GetTimeZerofromTOF(AliESDEvent * /*event*/) const { | |
788 | ||
789 | //dummy, for the moment. T0 algorithm using tracks on TOF | |
790 | { | |
791 | //place T0 algo here... | |
792 | } | |
793 | return 0.; | |
794 | } |