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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 | ||
29 | #include "Rtypes.h" | |
571dda3d | 30 | |
74ea065c | 31 | #include "TClonesArray.h" |
0e46b9ae | 32 | #include "TGeoManager.h" |
33 | #include "TTree.h" | |
571dda3d | 34 | |
0e46b9ae | 35 | #include "AliAlignObj.h" |
36 | #include "AliESDtrack.h" | |
37 | #include "AliESD.h" | |
d076c8d5 | 38 | #include "AliLog.h" |
0e46b9ae | 39 | #include "AliTrackPointArray.h" |
596a855f | 40 | |
0e46b9ae | 41 | #include "AliTOFcalib.h" |
571dda3d | 42 | #include "AliTOFcluster.h" |
571dda3d | 43 | #include "AliTOFGeometry.h" |
44 | #include "AliTOFtracker.h" | |
0e46b9ae | 45 | #include "AliTOFtrack.h" |
571dda3d | 46 | |
0e46b9ae | 47 | extern TGeoManager *gGeoManager; |
d4754572 | 48 | |
596a855f | 49 | ClassImp(AliTOFtracker) |
50 | ||
74ea065c | 51 | //_____________________________________________________________________________ |
58d8d9a3 | 52 | AliTOFtracker::AliTOFtracker(AliTOFGeometry * geom, Double_t parPID[2]): |
53 | fGeom(geom), | |
54 | fTOFpid(new AliTOFpidESD(parPID)), | |
55 | fHoles(kFALSE), | |
56 | fN(0), | |
57 | fNseeds(0), | |
58 | fNseedsTOF(0), | |
59 | fngoodmatch(0), | |
60 | fnbadmatch(0), | |
61 | fnunmatch(0), | |
62 | fnmatch(0), | |
63 | fR(378.), | |
64 | fTOFHeigth(15.3), | |
65 | fdCut(3.), | |
66 | fDx(1.5), | |
67 | fDy(0), | |
68 | fDz(0), | |
69 | fDzMax(35.), | |
70 | fDyMax(50.), | |
71 | fTracks(0x0), | |
72 | fSeeds(0x0) | |
73 | { | |
74ea065c | 74 | //AliTOFtracker main Ctor |
75 | ||
74ea065c | 76 | fDy=AliTOFGeometry::XPad(); |
77 | fDz=AliTOFGeometry::ZPad(); | |
74ea065c | 78 | } |
79 | //_____________________________________________________________________________ | |
58d8d9a3 | 80 | AliTOFtracker::AliTOFtracker(const AliTOFtracker &t): |
81 | AliTracker(), | |
82 | fGeom(0x0), | |
83 | fTOFpid(0x0), | |
84 | fHoles(kFALSE), | |
85 | fN(0), | |
86 | fNseeds(0), | |
87 | fNseedsTOF(0), | |
88 | fngoodmatch(0), | |
89 | fnbadmatch(0), | |
90 | fnunmatch(0), | |
91 | fnmatch(0), | |
92 | fR(378.), | |
93 | fTOFHeigth(15.3), | |
94 | fdCut(3.), | |
95 | fDx(1.5), | |
96 | fDy(0), | |
97 | fDz(0), | |
98 | fDzMax(35.), | |
99 | fDyMax(50.), | |
100 | fTracks(0x0), | |
101 | fSeeds(0x0) | |
102 | { | |
74ea065c | 103 | //AliTOFtracker copy Ctor |
104 | ||
105 | fHoles=t.fHoles; | |
106 | fNseeds=t.fNseeds; | |
107 | fNseedsTOF=t.fNseedsTOF; | |
108 | fngoodmatch=t.fngoodmatch; | |
109 | fnbadmatch=t.fnbadmatch; | |
110 | fnunmatch=t.fnunmatch; | |
111 | fnmatch=t.fnmatch; | |
112 | fGeom = t.fGeom; | |
113 | fTOFpid = t.fTOFpid; | |
114 | fR=t.fR; | |
115 | fTOFHeigth=t.fTOFHeigth; | |
116 | fdCut=t.fdCut; | |
117 | fDy=t.fDy; | |
118 | fDz=t.fDz; | |
a6a9820c | 119 | fDx=t.fDx; |
120 | fDzMax=t.fDzMax; | |
121 | fDyMax=t.fDyMax; | |
74ea065c | 122 | fSeeds=t.fSeeds; |
123 | fTracks=t.fTracks; | |
124 | fN=t.fN; | |
125 | } | |
7aeeaf38 | 126 | |
127 | //_____________________________________________________________________________ | |
128 | AliTOFtracker& AliTOFtracker::operator=(const AliTOFtracker &t) | |
129 | { | |
130 | //AliTOFtracker assignment operator | |
131 | ||
132 | this->fHoles=t.fHoles; | |
133 | this->fNseeds=t.fNseeds; | |
134 | this->fNseedsTOF=t.fNseedsTOF; | |
135 | this->fngoodmatch=t.fngoodmatch; | |
136 | this->fnbadmatch=t.fnbadmatch; | |
137 | this->fnunmatch=t.fnunmatch; | |
138 | this->fnmatch=t.fnmatch; | |
139 | this->fGeom = t.fGeom; | |
140 | this->fTOFpid = t.fTOFpid; | |
141 | this->fR=t.fR; | |
142 | this->fTOFHeigth=t.fTOFHeigth; | |
143 | this->fdCut=t.fdCut; | |
144 | this->fDy=t.fDy; | |
145 | this->fDz=t.fDz; | |
146 | this->fDx=t.fDx; | |
147 | this->fDzMax=t.fDzMax; | |
148 | this->fDyMax=t.fDyMax; | |
149 | this->fSeeds=t.fSeeds; | |
150 | this->fTracks=t.fTracks; | |
151 | this->fN=t.fN; | |
152 | return *this; | |
153 | ||
154 | } | |
155 | ||
74ea065c | 156 | //_____________________________________________________________________________ |
74ea065c | 157 | Int_t AliTOFtracker::PropagateBack(AliESD* event) { |
158 | // | |
159 | // Gets seeds from ESD event and Match with TOF Clusters | |
160 | // | |
161 | ||
162 | ||
163 | //Initialise some counters | |
164 | ||
165 | fNseeds=0; | |
166 | fNseedsTOF=0; | |
167 | fngoodmatch=0; | |
168 | fnbadmatch=0; | |
169 | fnunmatch=0; | |
170 | fnmatch=0; | |
171 | ||
172 | Int_t ntrk=event->GetNumberOfTracks(); | |
173 | fNseeds = ntrk; | |
7b61cd9c | 174 | fSeeds= new TClonesArray("AliESDtrack",ntrk); |
74ea065c | 175 | TClonesArray &aESDTrack = *fSeeds; |
176 | ||
177 | ||
178 | //Load ESD tracks into a local Array of ESD Seeds | |
179 | ||
180 | for (Int_t i=0; i<fNseeds; i++) { | |
181 | AliESDtrack *t=event->GetTrack(i); | |
182 | new(aESDTrack[i]) AliESDtrack(*t); | |
183 | } | |
184 | ||
185 | //Prepare ESD tracks candidates for TOF Matching | |
186 | CollectESD(); | |
187 | ||
188 | //First Step with Strict Matching Criterion | |
189 | MatchTracks(kFALSE); | |
7b61cd9c | 190 | /* |
191 | for (Int_t ijk=0; ijk<fN; ijk++) { | |
192 | AliInfo(Form("%4i %4i %f %f %f %f %f %2i %1i %2i %1i %2i",ijk, fClusters[ijk]->GetIndex(),fClusters[ijk]->GetZ(),fClusters[ijk]->GetR(),fClusters[ijk]->GetPhi(), fClusters[ijk]->GetTDC(),fClusters[ijk]->GetADC(),fClusters[ijk]->GetDetInd(0),fClusters[ijk]->GetDetInd(1),fClusters[ijk]->GetDetInd(2),fClusters[ijk]->GetDetInd(3),fClusters[ijk]->GetDetInd(4))); | |
193 | } | |
194 | */ | |
74ea065c | 195 | |
196 | //Second Step with Looser Matching Criterion | |
197 | MatchTracks(kTRUE); | |
198 | ||
d076c8d5 | 199 | AliInfo(Form("Number of matched tracks: %d",fnmatch)); |
200 | AliInfo(Form("Number of good matched tracks: %d",fngoodmatch)); | |
201 | AliInfo(Form("Number of bad matched tracks: %d",fnbadmatch)); | |
74ea065c | 202 | |
203 | //Update the matched ESD tracks | |
204 | ||
205 | for (Int_t i=0; i<ntrk; i++) { | |
206 | AliESDtrack *t=event->GetTrack(i); | |
207 | AliESDtrack *seed =(AliESDtrack*)fSeeds->UncheckedAt(i); | |
208 | if(seed->GetTOFsignal()>0){ | |
209 | t->SetTOFsignal(seed->GetTOFsignal()); | |
210 | t->SetTOFcluster(seed->GetTOFcluster()); | |
a533f541 | 211 | t->SetTOFsignalToT(seed->GetTOFsignalToT()); |
212 | t->SetTOFCalChannel(seed->GetTOFCalChannel()); | |
11c7ff68 | 213 | Int_t tlab[3]; seed->GetTOFLabel(tlab); |
214 | t->SetTOFLabel(tlab); | |
74ea065c | 215 | AliTOFtrack *track = new AliTOFtrack(*seed); |
a533f541 | 216 | t->UpdateTrackParams(track,AliESDtrack::kTOFout); |
74ea065c | 217 | delete track; |
218 | } | |
219 | } | |
220 | ||
221 | ||
222 | //Make TOF PID | |
223 | fTOFpid->MakePID(event); | |
224 | ||
7bf28302 | 225 | if (fSeeds) { |
226 | fSeeds->Delete(); | |
227 | delete fSeeds; | |
228 | fSeeds = 0x0; | |
229 | } | |
230 | if (fTracks) { | |
231 | fTracks->Delete(); | |
232 | delete fTracks; | |
233 | fTracks = 0x0; | |
234 | } | |
74ea065c | 235 | return 0; |
236 | ||
237 | } | |
238 | //_________________________________________________________________________ | |
239 | void AliTOFtracker::CollectESD() { | |
240 | //prepare the set of ESD tracks to be matched to clusters in TOF | |
241 | ||
242 | fTracks= new TClonesArray("AliTOFtrack"); | |
243 | TClonesArray &aTOFTrack = *fTracks; | |
244 | for (Int_t i=0; i<fNseeds; i++) { | |
245 | ||
246 | AliESDtrack *t =(AliESDtrack*)fSeeds->UncheckedAt(i); | |
247 | if ((t->GetStatus()&AliESDtrack::kTPCout)==0)continue; | |
248 | ||
249 | // TRD good tracks, already propagated at 371 cm | |
250 | ||
56da420e | 251 | AliTOFtrack *track = new AliTOFtrack(*t); // New |
252 | Double_t x = track->GetX(); //New | |
253 | ||
254 | if (((t->GetStatus()&AliESDtrack::kTRDout)!=0 ) && | |
d3c7bfac | 255 | ( x >= fGeom->RinTOF()) ){ |
74ea065c | 256 | track->SetSeedIndex(i); |
257 | t->UpdateTrackParams(track,AliESDtrack::kTOFout); | |
258 | new(aTOFTrack[fNseedsTOF]) AliTOFtrack(*track); | |
259 | fNseedsTOF++; | |
260 | delete track; | |
261 | } | |
262 | ||
263 | // Propagate the rest of TPCbp | |
264 | ||
265 | else { | |
74ea065c | 266 | if(track->PropagateToInnerTOF(fHoles)){ // temporary solution |
267 | // if(track->PropagateToInnerTOF(fGeom->GetHoles())){ | |
268 | track->SetSeedIndex(i); | |
269 | t->UpdateTrackParams(track,AliESDtrack::kTOFout); | |
270 | new(aTOFTrack[fNseedsTOF]) AliTOFtrack(*track); | |
271 | fNseedsTOF++; | |
272 | } | |
273 | delete track; | |
274 | } | |
275 | } | |
276 | ||
7b61cd9c | 277 | AliInfo(Form("Number of TOF seedds %i",fNseedsTOF)); |
278 | ||
74ea065c | 279 | // Sort according uncertainties on track position |
280 | fTracks->Sort(); | |
281 | ||
282 | } | |
283 | //_________________________________________________________________________ | |
284 | void AliTOFtracker::MatchTracks( Bool_t mLastStep){ | |
285 | ||
286 | //Match ESD tracks to clusters in TOF | |
287 | ||
a533f541 | 288 | |
74ea065c | 289 | Int_t nSteps=(Int_t)(fTOFHeigth/0.1); |
7bf28302 | 290 | |
a533f541 | 291 | AliTOFcalib *calib = new AliTOFcalib(fGeom); |
7bf28302 | 292 | //PH Arrays (moved outside of the loop) |
293 | Float_t * trackPos[4]; | |
294 | for (Int_t ii=0; ii<4; ii++) trackPos[ii] = new Float_t[nSteps]; | |
295 | Int_t * clind[6]; | |
296 | for (Int_t ii=0;ii<6;ii++) clind[ii] = new Int_t[fN]; | |
74ea065c | 297 | |
c0545837 | 298 | for (Int_t iseed=0; iseed<fNseedsTOF; iseed++) { |
74ea065c | 299 | |
c0545837 | 300 | AliTOFtrack *track =(AliTOFtrack*)fTracks->UncheckedAt(iseed); |
74ea065c | 301 | AliESDtrack *t =(AliESDtrack*)fSeeds->UncheckedAt(track->GetSeedIndex()); |
7bf28302 | 302 | if(t->GetTOFsignal()>0. ) continue; |
74ea065c | 303 | AliTOFtrack *trackTOFin =new AliTOFtrack(*track); |
74ea065c | 304 | |
d3c7bfac | 305 | // Some init |
74ea065c | 306 | |
307 | Int_t index[10000]; | |
308 | Float_t dist[10000]; | |
309 | Float_t cxpos[10000]; | |
310 | Float_t crecL[10000]; | |
c0545837 | 311 | TGeoHMatrix global[1000]; |
74ea065c | 312 | |
313 | // Determine a window around the track | |
314 | ||
315 | Double_t x,par[5]; | |
316 | trackTOFin->GetExternalParameters(x,par); | |
317 | Double_t cov[15]; | |
318 | trackTOFin->GetExternalCovariance(cov); | |
6c94f330 | 319 | |
74ea065c | 320 | Float_t scalefact=3.; |
321 | Double_t dphi= | |
322 | scalefact* | |
323 | ((5*TMath::Sqrt(cov[0]) + 0.5*fDy + 2.5*TMath::Abs(par[2]))/fR); | |
324 | Double_t dz= | |
325 | scalefact* | |
326 | (5*TMath::Sqrt(cov[2]) + 0.5*fDz + 2.5*TMath::Abs(par[3])); | |
6c94f330 | 327 | |
74ea065c | 328 | Double_t phi=TMath::ATan2(par[0],x) + trackTOFin->GetAlpha(); |
329 | if (phi<-TMath::Pi())phi+=2*TMath::Pi(); | |
330 | if (phi>=TMath::Pi())phi-=2*TMath::Pi(); | |
331 | Double_t z=par[1]; | |
332 | ||
c0545837 | 333 | //upper limit on window's size. |
334 | ||
335 | if(dz> fDzMax) dz=fDzMax; | |
336 | if(dphi*fR>fDyMax) dphi=fDyMax/fR; | |
337 | ||
338 | ||
74ea065c | 339 | Int_t nc=0; |
7b61cd9c | 340 | |
74ea065c | 341 | // find the clusters in the window of the track |
342 | ||
343 | for (Int_t k=FindClusterIndex(z-dz); k<fN; k++) { | |
7b61cd9c | 344 | |
74ea065c | 345 | AliTOFcluster *c=fClusters[k]; |
346 | if (c->GetZ() > z+dz) break; | |
347 | if (c->IsUsed()) continue; | |
11c7ff68 | 348 | |
349 | if (!c->GetStatus()) continue; // skip bad channels as declared in OCDB | |
350 | ||
7b61cd9c | 351 | //AliInfo(Form(" fClusters[k]->GetZ() (%f) z-dz (%f) %4i ", fClusters[k]->GetZ(), z-dz, k)); |
352 | ||
74ea065c | 353 | Double_t dph=TMath::Abs(c->GetPhi()-phi); |
354 | if (dph>TMath::Pi()) dph-=2.*TMath::Pi(); | |
9b49e4c9 | 355 | if (TMath::Abs(dph)>dphi) continue; |
6c94f330 | 356 | |
357 | { | |
11c7ff68 | 358 | Double_t maxChi2=150.; // "calibration constant". Needs to be tuned. |
6c94f330 | 359 | Double_t yc=(c->GetPhi() - trackTOFin->GetAlpha())*c->GetR(); |
360 | Double_t p[2]={yc, c->GetZ()}; | |
361 | Double_t cov[3]={fDy*fDy/12., 0., fDz*fDz/12.}; | |
362 | if (trackTOFin->AliExternalTrackParam::GetPredictedChi2(p,cov) > 150.) | |
363 | continue; | |
364 | } | |
365 | ||
74ea065c | 366 | clind[0][nc] = c->GetDetInd(0); |
367 | clind[1][nc] = c->GetDetInd(1); | |
368 | clind[2][nc] = c->GetDetInd(2); | |
369 | clind[3][nc] = c->GetDetInd(3); | |
370 | clind[4][nc] = c->GetDetInd(4); | |
371 | clind[5][nc] = k; | |
c0545837 | 372 | Char_t path[100]; |
373 | Int_t ind[5]; | |
374 | ind[0]=clind[0][nc]; | |
375 | ind[1]=clind[1][nc]; | |
376 | ind[2]=clind[2][nc]; | |
377 | ind[3]=clind[3][nc]; | |
378 | ind[4]=clind[4][nc]; | |
379 | fGeom->GetVolumePath(ind,path); | |
380 | gGeoManager->cd(path); | |
381 | global[nc] = *gGeoManager->GetCurrentMatrix(); | |
74ea065c | 382 | nc++; |
383 | } | |
384 | ||
7b61cd9c | 385 | //if (nc) AliInfo(Form("seed for TOF %4i and number of clusters in the track window %4i (cluster index %4i) %4i",i,nc, clind[5][0], fN)); |
386 | ||
74ea065c | 387 | //start fine propagation |
388 | ||
389 | Int_t nStepsDone = 0; | |
390 | for( Int_t istep=0; istep<nSteps; istep++){ | |
391 | ||
d3c7bfac | 392 | Float_t xs=fGeom->RinTOF()+istep*0.1; |
74ea065c | 393 | Double_t ymax=xs*TMath::Tan(0.5*AliTOFGeometry::GetAlpha()); |
394 | ||
395 | Bool_t skip=kFALSE; | |
396 | Double_t ysect=trackTOFin->GetYat(xs,skip); | |
6c94f330 | 397 | if (skip) break; |
74ea065c | 398 | if (ysect > ymax) { |
399 | if (!trackTOFin->Rotate(AliTOFGeometry::GetAlpha())) { | |
400 | break; | |
401 | } | |
402 | } else if (ysect <-ymax) { | |
403 | if (!trackTOFin->Rotate(-AliTOFGeometry::GetAlpha())) { | |
404 | break; | |
405 | } | |
406 | } | |
407 | ||
408 | if(!trackTOFin->PropagateTo(xs)) { | |
409 | break; | |
410 | } | |
411 | ||
412 | nStepsDone++; | |
413 | ||
414 | // store the running point (Globalrf) - fine propagation | |
415 | ||
6c94f330 | 416 | Double_t r[3]; |
417 | trackTOFin->GetXYZ(r); | |
418 | trackPos[0][istep]= (Float_t) r[0]; | |
419 | trackPos[1][istep]= (Float_t) r[1]; | |
420 | trackPos[2][istep]= (Float_t) r[2]; | |
74ea065c | 421 | trackPos[3][istep]= trackTOFin->GetIntegratedLength(); |
422 | } | |
423 | ||
424 | ||
425 | Int_t nfound = 0; | |
426 | for (Int_t istep=0; istep<nStepsDone; istep++) { | |
427 | ||
428 | Bool_t isInside =kFALSE; | |
429 | Float_t ctrackPos[3]; | |
430 | ||
431 | ctrackPos[0]= trackPos[0][istep]; | |
432 | ctrackPos[1]= trackPos[1][istep]; | |
433 | ctrackPos[2]= trackPos[2][istep]; | |
434 | ||
435 | //now see whether the track matches any of the TOF clusters | |
436 | ||
437 | for (Int_t i=0; i<nc; i++){ | |
438 | Int_t cind[5]; | |
439 | cind[0]= clind[0][i]; | |
440 | cind[1]= clind[1][i]; | |
441 | cind[2]= clind[2][i]; | |
442 | cind[3]= clind[3][i]; | |
443 | cind[4]= clind[4][i]; | |
444 | Bool_t accept = kFALSE; | |
c0545837 | 445 | if( mLastStep)accept = (fGeom->DistanceToPad(cind,global[i],ctrackPos)<fdCut); |
446 | if(!mLastStep)accept = (fGeom->IsInsideThePad(cind,global[i],ctrackPos)); | |
74ea065c | 447 | if(accept){ |
448 | if(!mLastStep)isInside=kTRUE; | |
c0545837 | 449 | dist[nfound]=fGeom->DistanceToPad(cind,global[i],ctrackPos); |
74ea065c | 450 | crecL[nfound]=trackPos[3][istep]; |
451 | index[nfound]=clind[5][i]; // store cluster id | |
d3c7bfac | 452 | cxpos[nfound]=fGeom->RinTOF()+istep*0.1; //store prop.radius |
74ea065c | 453 | nfound++; |
454 | if(isInside)break; | |
455 | }//end if accept | |
456 | } //end for on the clusters | |
9b49e4c9 | 457 | |
458 | ||
74ea065c | 459 | if(isInside)break; |
460 | } //end for on the steps | |
461 | ||
9b49e4c9 | 462 | |
463 | ||
74ea065c | 464 | if (nfound == 0 ) { |
465 | fnunmatch++; | |
7bf28302 | 466 | delete trackTOFin; |
74ea065c | 467 | continue; |
468 | } | |
469 | ||
470 | fnmatch++; | |
471 | ||
472 | // now choose the cluster to be matched with the track. | |
473 | ||
474 | Int_t idclus=0; | |
475 | Float_t recL = 0.; | |
476 | Float_t xpos=0.; | |
477 | Float_t mindist=1000.; | |
478 | for (Int_t iclus= 0; iclus<nfound;iclus++){ | |
479 | if (dist[iclus]< mindist){ | |
480 | mindist = dist[iclus]; | |
481 | xpos = cxpos[iclus]; | |
482 | idclus =index[iclus]; | |
483 | recL=crecL[iclus]+fDx*0.5; | |
484 | } | |
485 | } | |
486 | ||
487 | AliTOFcluster *c=fClusters[idclus]; | |
c0545837 | 488 | c->Use(); //AliInfo(Form("I am using the cluster")); |
74ea065c | 489 | |
490 | // Track length correction for matching Step 2 | |
491 | ||
492 | if(mLastStep){ | |
493 | Float_t rc=TMath::Sqrt(c->GetR()*c->GetR() + c->GetZ()*c->GetZ()); | |
494 | Float_t rt=TMath::Sqrt(trackPos[0][70]*trackPos[0][70] | |
495 | +trackPos[1][70]*trackPos[1][70] | |
496 | +trackPos[2][70]*trackPos[2][70]); | |
497 | Float_t dlt=rc-rt; | |
498 | recL=trackPos[3][70]+dlt; | |
499 | } | |
500 | ||
501 | if ( | |
502 | (c->GetLabel(0)==TMath::Abs(trackTOFin->GetLabel())) | |
503 | || | |
504 | (c->GetLabel(1)==TMath::Abs(trackTOFin->GetLabel())) | |
505 | || | |
506 | (c->GetLabel(2)==TMath::Abs(trackTOFin->GetLabel())) | |
507 | ) { | |
508 | fngoodmatch++; | |
d3c7bfac | 509 | |
510 | //AliInfo(Form(" track label good %5i",trackTOFin->GetLabel())); | |
511 | ||
74ea065c | 512 | } |
513 | else{ | |
514 | fnbadmatch++; | |
d3c7bfac | 515 | |
516 | //AliInfo(Form(" track label bad %5i",trackTOFin->GetLabel())); | |
517 | ||
74ea065c | 518 | } |
519 | ||
520 | delete trackTOFin; | |
521 | ||
a533f541 | 522 | // Store quantities to be used in the TOF Calibration |
7aeeaf38 | 523 | Float_t tToT=c->GetToT(); // in ps |
524 | t->SetTOFsignalToT(tToT); | |
a533f541 | 525 | Int_t ind[5]; |
526 | ind[0]=c->GetDetInd(0); | |
527 | ind[1]=c->GetDetInd(1); | |
528 | ind[2]=c->GetDetInd(2); | |
529 | ind[3]=c->GetDetInd(3); | |
530 | ind[4]=c->GetDetInd(4); | |
531 | Int_t calindex = calib->GetIndex(ind); | |
532 | t->SetTOFCalChannel(calindex); | |
11c7ff68 | 533 | |
534 | // keep track of the track labels in the matched cluster | |
535 | Int_t tlab[3]; | |
536 | tlab[0]=c->GetLabel(0); | |
537 | tlab[1]=c->GetLabel(1); | |
538 | tlab[2]=c->GetLabel(2); | |
a533f541 | 539 | |
43f77f2d | 540 | Double_t tof=AliTOFGeometry::TdcBinWidth()*c->GetTDC()+32; // in ps |
74ea065c | 541 | t->SetTOFsignal(tof); |
ee77ad87 | 542 | //t->SetTOFcluster(c->GetIndex()); // pointing to the digits tree |
543 | t->SetTOFcluster(idclus); // pointing to the recPoints tree | |
74ea065c | 544 | Double_t time[10]; t->GetIntegratedTimes(time); |
545 | Double_t mom=t->GetP(); | |
304864ab | 546 | for(Int_t j=0;j<=AliPID::kSPECIES;j++){ |
547 | Double_t mass=AliPID::ParticleMass(j); | |
74ea065c | 548 | time[j]+=(recL-trackPos[3][0])/3e-2*TMath::Sqrt(mom*mom+mass*mass)/mom; |
549 | } | |
550 | ||
551 | AliTOFtrack *trackTOFout = new AliTOFtrack(*t); | |
552 | trackTOFout->PropagateTo(xpos); | |
553 | t->UpdateTrackParams(trackTOFout,AliESDtrack::kTOFout); | |
554 | t->SetIntegratedLength(recL); | |
555 | t->SetIntegratedTimes(time); | |
11c7ff68 | 556 | t->SetTOFLabel(tlab); |
74ea065c | 557 | |
558 | delete trackTOFout; | |
559 | } | |
7bf28302 | 560 | for (Int_t ii=0; ii<4; ii++) delete [] trackPos[ii]; |
561 | for (Int_t ii=0;ii<6;ii++) delete [] clind[ii]; | |
a533f541 | 562 | delete calib; |
74ea065c | 563 | } |
564 | //_________________________________________________________________________ | |
7b61cd9c | 565 | Int_t AliTOFtracker::LoadClusters(TTree *cTree) { |
74ea065c | 566 | //-------------------------------------------------------------------- |
567 | //This function loads the TOF clusters | |
568 | //-------------------------------------------------------------------- | |
569 | ||
7b61cd9c | 570 | TBranch *branch=cTree->GetBranch("TOF"); |
74ea065c | 571 | if (!branch) { |
7b61cd9c | 572 | AliError("can't get the branch with the TOF clusters !"); |
74ea065c | 573 | return 1; |
574 | } | |
575 | ||
7b61cd9c | 576 | TClonesArray dummy("AliTOFcluster",10000), *clusters=&dummy; |
577 | branch->SetAddress(&clusters); | |
74ea065c | 578 | |
7b61cd9c | 579 | cTree->GetEvent(0); |
580 | Int_t nc=clusters->GetEntriesFast(); | |
581 | AliInfo(Form("Number of clusters: %d",nc)); | |
74ea065c | 582 | |
7b61cd9c | 583 | for (Int_t i=0; i<nc; i++) { |
584 | AliTOFcluster *c=(AliTOFcluster*)clusters->UncheckedAt(i); | |
7b61cd9c | 585 | fClusters[i]=new AliTOFcluster(*c); fN++; |
7b61cd9c | 586 | //AliInfo(Form("%4i %4i %f %f %f %f %f %2i %1i %2i %1i %2i",i, fClusters[i]->GetIndex(),fClusters[i]->GetZ(),fClusters[i]->GetR(),fClusters[i]->GetPhi(), fClusters[i]->GetTDC(),fClusters[i]->GetADC(),fClusters[i]->GetDetInd(0),fClusters[i]->GetDetInd(1),fClusters[i]->GetDetInd(2),fClusters[i]->GetDetInd(3),fClusters[i]->GetDetInd(4))); |
587 | //AliInfo(Form("%i %f",i, fClusters[i]->GetZ())); | |
588 | } | |
74ea065c | 589 | |
7b61cd9c | 590 | //AliInfo(Form("Number of clusters: %d",fN)); |
74ea065c | 591 | |
592 | return 0; | |
593 | } | |
594 | //_________________________________________________________________________ | |
595 | void AliTOFtracker::UnloadClusters() { | |
596 | //-------------------------------------------------------------------- | |
597 | //This function unloads TOF clusters | |
598 | //-------------------------------------------------------------------- | |
7b61cd9c | 599 | for (Int_t i=0; i<fN; i++) { |
600 | delete fClusters[i]; | |
601 | fClusters[i] = 0x0; | |
74ea065c | 602 | } |
7b61cd9c | 603 | fN=0; |
74ea065c | 604 | } |
605 | ||
606 | //_________________________________________________________________________ | |
607 | Int_t AliTOFtracker::FindClusterIndex(Double_t z) const { | |
608 | //-------------------------------------------------------------------- | |
609 | // This function returns the index of the nearest cluster | |
610 | //-------------------------------------------------------------------- | |
611 | if (fN==0) return 0; | |
612 | if (z <= fClusters[0]->GetZ()) return 0; | |
613 | if (z > fClusters[fN-1]->GetZ()) return fN; | |
614 | Int_t b=0, e=fN-1, m=(b+e)/2; | |
615 | for (; b<e; m=(b+e)/2) { | |
616 | if (z > fClusters[m]->GetZ()) b=m+1; | |
617 | else e=m; | |
618 | } | |
619 | return m; | |
620 | } | |
d4754572 | 621 | |
622 | //_________________________________________________________________________ | |
623 | Bool_t AliTOFtracker::GetTrackPoint(Int_t index, AliTrackPoint& p) const | |
624 | { | |
625 | // Get track space point with index i | |
626 | // Coordinates are in the global system | |
627 | AliTOFcluster *cl = fClusters[index]; | |
628 | Float_t xyz[3]; | |
629 | xyz[0] = cl->GetR()*TMath::Cos(cl->GetPhi()); | |
630 | xyz[1] = cl->GetR()*TMath::Sin(cl->GetPhi()); | |
631 | xyz[2] = cl->GetZ(); | |
468f26c6 | 632 | Float_t phiangle = (Int_t(cl->GetPhi()*TMath::RadToDeg()/20.)+0.5)*20.*TMath::DegToRad(); |
633 | Float_t sinphi = TMath::Sin(phiangle), cosphi = TMath::Cos(phiangle); | |
634 | Float_t tiltangle = fGeom->GetAngles(cl->GetDetInd(1),cl->GetDetInd(2))*TMath::DegToRad(); | |
635 | Float_t sinth = TMath::Sin(tiltangle), costh = TMath::Cos(tiltangle); | |
636 | Float_t sigmay2 = fGeom->XPad()*fGeom->XPad()/12.; | |
637 | Float_t sigmaz2 = fGeom->ZPad()*fGeom->ZPad()/12.; | |
638 | Float_t cov[6]; | |
639 | cov[0] = sinphi*sinphi*sigmay2 + cosphi*cosphi*sinth*sinth*sigmaz2; | |
640 | cov[1] = -sinphi*cosphi*sigmay2 + sinphi*cosphi*sinth*sinth*sigmaz2; | |
641 | cov[2] = -cosphi*sinth*costh*sigmaz2; | |
642 | cov[3] = cosphi*cosphi*sigmay2 + sinphi*sinphi*sinth*sinth*sigmaz2; | |
643 | cov[4] = -sinphi*sinth*costh*sigmaz2; | |
644 | cov[5] = costh*costh*sigmaz2; | |
645 | p.SetXYZ(xyz[0],xyz[1],xyz[2],cov); | |
d4754572 | 646 | |
647 | // Detector numbering scheme | |
648 | Int_t nSector = fGeom->NSectors(); | |
649 | Int_t nPlate = fGeom->NPlates(); | |
650 | Int_t nStripA = fGeom->NStripA(); | |
651 | Int_t nStripB = fGeom->NStripB(); | |
652 | Int_t nStripC = fGeom->NStripC(); | |
653 | ||
654 | Int_t isector = cl->GetDetInd(0); | |
655 | if (isector >= nSector) | |
656 | AliError(Form("Wrong sector number in TOF (%d) !",isector)); | |
657 | Int_t iplate = cl->GetDetInd(1); | |
658 | if (iplate >= nPlate) | |
659 | AliError(Form("Wrong plate number in TOF (%d) !",iplate)); | |
660 | Int_t istrip = cl->GetDetInd(2); | |
661 | ||
662 | Int_t stripOffset = 0; | |
663 | switch (iplate) { | |
664 | case 0: | |
665 | stripOffset = 0; | |
666 | break; | |
667 | case 1: | |
668 | stripOffset = nStripC; | |
669 | break; | |
670 | case 2: | |
671 | stripOffset = nStripC+nStripB; | |
672 | break; | |
673 | case 3: | |
674 | stripOffset = nStripC+nStripB+nStripA; | |
675 | break; | |
676 | case 4: | |
677 | stripOffset = nStripC+nStripB+nStripA+nStripB; | |
678 | break; | |
679 | default: | |
680 | AliError(Form("Wrong plate number in TOF (%d) !",iplate)); | |
681 | break; | |
682 | }; | |
683 | ||
684 | Int_t idet = (2*(nStripC+nStripB)+nStripA)*isector + | |
685 | stripOffset + | |
686 | istrip; | |
687 | UShort_t volid = AliAlignObj::LayerToVolUID(AliAlignObj::kTOF,idet); | |
688 | p.SetVolumeID((UShort_t)volid); | |
689 | return kTRUE; | |
690 | } |