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Removing wrong inline from the implementation file
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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 **************************************************************************/
74ea065c 15// AliTOFtracker Class
16// Task: Perform association of the ESD tracks to TOF Clusters
17// and Update ESD track with associated TOF Cluster parameters
18//
19// -- Authors : S. Arcelli, C. Zampolli (Bologna University and INFN)
20// -- Contacts: Annalisa.De.Caro@cern.ch
21// -- : Chiara.Zampolli@bo.infn.it
22// -- : Silvia.Arcelli@bo.infn.it
23//--------------------------------------------------------------------
596a855f 24
2871e58d 25#include <Rtypes.h>
571dda3d 26
74ea065c 27#include "TClonesArray.h"
571dda3d 28
d076c8d5 29#include "AliLog.h"
74ea065c 30#include "AliRun.h"
31#include "AliModule.h"
596a855f 32
571dda3d 33#include "AliTOFcluster.h"
34#include "AliTOFtrack.h"
35#include "AliTOFGeometry.h"
36#include "AliTOFtracker.h"
37
d4754572 38
39#include "AliTrackPointArray.h"
40#include "AliAlignObj.h"
a533f541 41#include "AliTOFcalib.h"
d4754572 42
596a855f 43ClassImp(AliTOFtracker)
44
74ea065c 45//_____________________________________________________________________________
46AliTOFtracker::AliTOFtracker(AliTOFGeometry * geom, Double_t parPID[2]) {
47 //AliTOFtracker main Ctor
48
d3c7bfac 49 //fHoles=true;
74ea065c 50 fNseeds=0;
51 fNseedsTOF=0;
52 fngoodmatch=0;
53 fnbadmatch=0;
54 fnunmatch=0;
55 fnmatch=0;
56 fGeom = geom;
57 fTOFpid = new AliTOFpidESD(parPID);
58 fR=378.;
59 fTOFHeigth=15.3;
60 fdCut=3.;
61 fDy=AliTOFGeometry::XPad();
62 fDz=AliTOFGeometry::ZPad();
63 fDx=1.5;
c0545837 64 fDzMax=35.;
65 fDyMax=50.;
74ea065c 66 fSeeds=0x0;
67 fTracks=0x0;
68 fN=0;
d3c7bfac 69 fHoles = fGeom->GetHoles();
74ea065c 70}
71//_____________________________________________________________________________
72AliTOFtracker::AliTOFtracker(const AliTOFtracker &t):AliTracker() {
73 //AliTOFtracker copy Ctor
74
75 fHoles=t.fHoles;
76 fNseeds=t.fNseeds;
77 fNseedsTOF=t.fNseedsTOF;
78 fngoodmatch=t.fngoodmatch;
79 fnbadmatch=t.fnbadmatch;
80 fnunmatch=t.fnunmatch;
81 fnmatch=t.fnmatch;
82 fGeom = t.fGeom;
83 fTOFpid = t.fTOFpid;
84 fR=t.fR;
85 fTOFHeigth=t.fTOFHeigth;
86 fdCut=t.fdCut;
87 fDy=t.fDy;
88 fDz=t.fDz;
a6a9820c 89 fDx=t.fDx;
90 fDzMax=t.fDzMax;
91 fDyMax=t.fDyMax;
74ea065c 92 fSeeds=t.fSeeds;
93 fTracks=t.fTracks;
94 fN=t.fN;
95}
96//_____________________________________________________________________________
74ea065c 97Int_t AliTOFtracker::PropagateBack(AliESD* event) {
98 //
99 // Gets seeds from ESD event and Match with TOF Clusters
100 //
101
102
103 //Initialise some counters
104
105 fNseeds=0;
106 fNseedsTOF=0;
107 fngoodmatch=0;
108 fnbadmatch=0;
109 fnunmatch=0;
110 fnmatch=0;
111
112 Int_t ntrk=event->GetNumberOfTracks();
113 fNseeds = ntrk;
7b61cd9c 114 fSeeds= new TClonesArray("AliESDtrack",ntrk);
74ea065c 115 TClonesArray &aESDTrack = *fSeeds;
116
117
118 //Load ESD tracks into a local Array of ESD Seeds
119
120 for (Int_t i=0; i<fNseeds; i++) {
121 AliESDtrack *t=event->GetTrack(i);
122 new(aESDTrack[i]) AliESDtrack(*t);
123 }
124
125 //Prepare ESD tracks candidates for TOF Matching
126 CollectESD();
127
128 //First Step with Strict Matching Criterion
129 MatchTracks(kFALSE);
7b61cd9c 130 /*
131 for (Int_t ijk=0; ijk<fN; ijk++) {
132 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)));
133 }
134 */
74ea065c 135
136 //Second Step with Looser Matching Criterion
137 MatchTracks(kTRUE);
138
d076c8d5 139 AliInfo(Form("Number of matched tracks: %d",fnmatch));
140 AliInfo(Form("Number of good matched tracks: %d",fngoodmatch));
141 AliInfo(Form("Number of bad matched tracks: %d",fnbadmatch));
74ea065c 142
143 //Update the matched ESD tracks
144
145 for (Int_t i=0; i<ntrk; i++) {
146 AliESDtrack *t=event->GetTrack(i);
147 AliESDtrack *seed =(AliESDtrack*)fSeeds->UncheckedAt(i);
148 if(seed->GetTOFsignal()>0){
149 t->SetTOFsignal(seed->GetTOFsignal());
150 t->SetTOFcluster(seed->GetTOFcluster());
a533f541 151 t->SetTOFsignalToT(seed->GetTOFsignalToT());
152 t->SetTOFCalChannel(seed->GetTOFCalChannel());
74ea065c 153 AliTOFtrack *track = new AliTOFtrack(*seed);
a533f541 154 t->UpdateTrackParams(track,AliESDtrack::kTOFout);
74ea065c 155 delete track;
156 }
157 }
158
159
160 //Make TOF PID
161 fTOFpid->MakePID(event);
162
7bf28302 163 if (fSeeds) {
164 fSeeds->Delete();
165 delete fSeeds;
166 fSeeds = 0x0;
167 }
168 if (fTracks) {
169 fTracks->Delete();
170 delete fTracks;
171 fTracks = 0x0;
172 }
74ea065c 173 return 0;
174
175}
176//_________________________________________________________________________
177void AliTOFtracker::CollectESD() {
178 //prepare the set of ESD tracks to be matched to clusters in TOF
179
180 fTracks= new TClonesArray("AliTOFtrack");
181 TClonesArray &aTOFTrack = *fTracks;
182 for (Int_t i=0; i<fNseeds; i++) {
183
184 AliESDtrack *t =(AliESDtrack*)fSeeds->UncheckedAt(i);
185 if ((t->GetStatus()&AliESDtrack::kTPCout)==0)continue;
186
187 // TRD good tracks, already propagated at 371 cm
188
56da420e 189 AliTOFtrack *track = new AliTOFtrack(*t); // New
190 Double_t x = track->GetX(); //New
191
192 if (((t->GetStatus()&AliESDtrack::kTRDout)!=0 ) &&
d3c7bfac 193 ( x >= fGeom->RinTOF()) ){
74ea065c 194 track->SetSeedIndex(i);
195 t->UpdateTrackParams(track,AliESDtrack::kTOFout);
196 new(aTOFTrack[fNseedsTOF]) AliTOFtrack(*track);
197 fNseedsTOF++;
198 delete track;
199 }
200
201 // Propagate the rest of TPCbp
202
203 else {
74ea065c 204 if(track->PropagateToInnerTOF(fHoles)){ // temporary solution
205 // if(track->PropagateToInnerTOF(fGeom->GetHoles())){
206 track->SetSeedIndex(i);
207 t->UpdateTrackParams(track,AliESDtrack::kTOFout);
208 new(aTOFTrack[fNseedsTOF]) AliTOFtrack(*track);
209 fNseedsTOF++;
210 }
211 delete track;
212 }
213 }
214
7b61cd9c 215 AliInfo(Form("Number of TOF seedds %i",fNseedsTOF));
216
74ea065c 217 // Sort according uncertainties on track position
218 fTracks->Sort();
219
220}
221//_________________________________________________________________________
222void AliTOFtracker::MatchTracks( Bool_t mLastStep){
223
224 //Match ESD tracks to clusters in TOF
225
a533f541 226
74ea065c 227 Int_t nSteps=(Int_t)(fTOFHeigth/0.1);
7bf28302 228
a533f541 229 AliTOFcalib *calib = new AliTOFcalib(fGeom);
7bf28302 230 //PH Arrays (moved outside of the loop)
231 Float_t * trackPos[4];
232 for (Int_t ii=0; ii<4; ii++) trackPos[ii] = new Float_t[nSteps];
233 Int_t * clind[6];
234 for (Int_t ii=0;ii<6;ii++) clind[ii] = new Int_t[fN];
74ea065c 235
c0545837 236 for (Int_t iseed=0; iseed<fNseedsTOF; iseed++) {
74ea065c 237
c0545837 238 AliTOFtrack *track =(AliTOFtrack*)fTracks->UncheckedAt(iseed);
74ea065c 239 AliESDtrack *t =(AliESDtrack*)fSeeds->UncheckedAt(track->GetSeedIndex());
7bf28302 240 if(t->GetTOFsignal()>0. ) continue;
74ea065c 241 AliTOFtrack *trackTOFin =new AliTOFtrack(*track);
74ea065c 242
d3c7bfac 243 // Some init
74ea065c 244
245 Int_t index[10000];
246 Float_t dist[10000];
247 Float_t cxpos[10000];
248 Float_t crecL[10000];
c0545837 249 TGeoHMatrix global[1000];
74ea065c 250
251 // Determine a window around the track
252
253 Double_t x,par[5];
254 trackTOFin->GetExternalParameters(x,par);
255 Double_t cov[15];
256 trackTOFin->GetExternalCovariance(cov);
257 Float_t scalefact=3.;
258 Double_t dphi=
259 scalefact*
260 ((5*TMath::Sqrt(cov[0]) + 0.5*fDy + 2.5*TMath::Abs(par[2]))/fR);
261 Double_t dz=
262 scalefact*
263 (5*TMath::Sqrt(cov[2]) + 0.5*fDz + 2.5*TMath::Abs(par[3]));
264
265 Double_t phi=TMath::ATan2(par[0],x) + trackTOFin->GetAlpha();
266 if (phi<-TMath::Pi())phi+=2*TMath::Pi();
267 if (phi>=TMath::Pi())phi-=2*TMath::Pi();
268 Double_t z=par[1];
269
c0545837 270 //upper limit on window's size.
271
272 if(dz> fDzMax) dz=fDzMax;
273 if(dphi*fR>fDyMax) dphi=fDyMax/fR;
274
275
74ea065c 276 Int_t nc=0;
7b61cd9c 277
74ea065c 278 // find the clusters in the window of the track
279
280 for (Int_t k=FindClusterIndex(z-dz); k<fN; k++) {
7b61cd9c 281
74ea065c 282 AliTOFcluster *c=fClusters[k];
283 if (c->GetZ() > z+dz) break;
284 if (c->IsUsed()) continue;
285
7b61cd9c 286 //AliInfo(Form(" fClusters[k]->GetZ() (%f) z-dz (%f) %4i ", fClusters[k]->GetZ(), z-dz, k));
287
74ea065c 288 Double_t dph=TMath::Abs(c->GetPhi()-phi);
289 if (dph>TMath::Pi()) dph-=2.*TMath::Pi();
9b49e4c9 290 if (TMath::Abs(dph)>dphi) continue;
74ea065c 291
292 clind[0][nc] = c->GetDetInd(0);
293 clind[1][nc] = c->GetDetInd(1);
294 clind[2][nc] = c->GetDetInd(2);
295 clind[3][nc] = c->GetDetInd(3);
296 clind[4][nc] = c->GetDetInd(4);
297 clind[5][nc] = k;
c0545837 298 Char_t path[100];
299 Int_t ind[5];
300 ind[0]=clind[0][nc];
301 ind[1]=clind[1][nc];
302 ind[2]=clind[2][nc];
303 ind[3]=clind[3][nc];
304 ind[4]=clind[4][nc];
305 fGeom->GetVolumePath(ind,path);
306 gGeoManager->cd(path);
307 global[nc] = *gGeoManager->GetCurrentMatrix();
74ea065c 308 nc++;
309 }
310
7b61cd9c 311 //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));
312
74ea065c 313 //start fine propagation
314
315 Int_t nStepsDone = 0;
316 for( Int_t istep=0; istep<nSteps; istep++){
317
d3c7bfac 318 Float_t xs=fGeom->RinTOF()+istep*0.1;
74ea065c 319 Double_t ymax=xs*TMath::Tan(0.5*AliTOFGeometry::GetAlpha());
320
321 Bool_t skip=kFALSE;
322 Double_t ysect=trackTOFin->GetYat(xs,skip);
323 if(skip)break;
324 if (ysect > ymax) {
325 if (!trackTOFin->Rotate(AliTOFGeometry::GetAlpha())) {
326 break;
327 }
328 } else if (ysect <-ymax) {
329 if (!trackTOFin->Rotate(-AliTOFGeometry::GetAlpha())) {
330 break;
331 }
332 }
333
334 if(!trackTOFin->PropagateTo(xs)) {
335 break;
336 }
337
338 nStepsDone++;
339
340 // store the running point (Globalrf) - fine propagation
341
342 Double_t x,y,z;
343 trackTOFin->GetGlobalXYZ(x,y,z);
344 trackPos[0][istep]= (Float_t) x;
345 trackPos[1][istep]= (Float_t) y;
346 trackPos[2][istep]= (Float_t) z;
347 trackPos[3][istep]= trackTOFin->GetIntegratedLength();
348 }
349
350
351 Int_t nfound = 0;
352 for (Int_t istep=0; istep<nStepsDone; istep++) {
353
354 Bool_t isInside =kFALSE;
355 Float_t ctrackPos[3];
356
357 ctrackPos[0]= trackPos[0][istep];
358 ctrackPos[1]= trackPos[1][istep];
359 ctrackPos[2]= trackPos[2][istep];
360
361 //now see whether the track matches any of the TOF clusters
362
363 for (Int_t i=0; i<nc; i++){
364 Int_t cind[5];
365 cind[0]= clind[0][i];
366 cind[1]= clind[1][i];
367 cind[2]= clind[2][i];
368 cind[3]= clind[3][i];
369 cind[4]= clind[4][i];
370 Bool_t accept = kFALSE;
c0545837 371 if( mLastStep)accept = (fGeom->DistanceToPad(cind,global[i],ctrackPos)<fdCut);
372 if(!mLastStep)accept = (fGeom->IsInsideThePad(cind,global[i],ctrackPos));
74ea065c 373 if(accept){
374 if(!mLastStep)isInside=kTRUE;
c0545837 375 dist[nfound]=fGeom->DistanceToPad(cind,global[i],ctrackPos);
74ea065c 376 crecL[nfound]=trackPos[3][istep];
377 index[nfound]=clind[5][i]; // store cluster id
d3c7bfac 378 cxpos[nfound]=fGeom->RinTOF()+istep*0.1; //store prop.radius
74ea065c 379 nfound++;
380 if(isInside)break;
381 }//end if accept
382 } //end for on the clusters
9b49e4c9 383
384
74ea065c 385 if(isInside)break;
386 } //end for on the steps
387
9b49e4c9 388
389
74ea065c 390 if (nfound == 0 ) {
391 fnunmatch++;
7bf28302 392 delete trackTOFin;
74ea065c 393 continue;
394 }
395
396 fnmatch++;
397
398 // now choose the cluster to be matched with the track.
399
400 Int_t idclus=0;
401 Float_t recL = 0.;
402 Float_t xpos=0.;
403 Float_t mindist=1000.;
404 for (Int_t iclus= 0; iclus<nfound;iclus++){
405 if (dist[iclus]< mindist){
406 mindist = dist[iclus];
407 xpos = cxpos[iclus];
408 idclus =index[iclus];
409 recL=crecL[iclus]+fDx*0.5;
410 }
411 }
412
413 AliTOFcluster *c=fClusters[idclus];
c0545837 414 c->Use(); //AliInfo(Form("I am using the cluster"));
74ea065c 415
416 // Track length correction for matching Step 2
417
418 if(mLastStep){
419 Float_t rc=TMath::Sqrt(c->GetR()*c->GetR() + c->GetZ()*c->GetZ());
420 Float_t rt=TMath::Sqrt(trackPos[0][70]*trackPos[0][70]
421 +trackPos[1][70]*trackPos[1][70]
422 +trackPos[2][70]*trackPos[2][70]);
423 Float_t dlt=rc-rt;
424 recL=trackPos[3][70]+dlt;
425 }
426
427 if (
428 (c->GetLabel(0)==TMath::Abs(trackTOFin->GetLabel()))
429 ||
430 (c->GetLabel(1)==TMath::Abs(trackTOFin->GetLabel()))
431 ||
432 (c->GetLabel(2)==TMath::Abs(trackTOFin->GetLabel()))
433 ) {
434 fngoodmatch++;
d3c7bfac 435
436 //AliInfo(Form(" track label good %5i",trackTOFin->GetLabel()));
437
74ea065c 438 }
439 else{
440 fnbadmatch++;
d3c7bfac 441
442 //AliInfo(Form(" track label bad %5i",trackTOFin->GetLabel()));
443
74ea065c 444 }
445
446 delete trackTOFin;
447
a533f541 448 // Store quantities to be used in the TOF Calibration
449 Float_t ToT=c->GetToT(); // in ps
450 t->SetTOFsignalToT(ToT);
451 Int_t ind[5];
452 ind[0]=c->GetDetInd(0);
453 ind[1]=c->GetDetInd(1);
454 ind[2]=c->GetDetInd(2);
455 ind[3]=c->GetDetInd(3);
456 ind[4]=c->GetDetInd(4);
457 Int_t calindex = calib->GetIndex(ind);
458 t->SetTOFCalChannel(calindex);
459
43f77f2d 460 Double_t tof=AliTOFGeometry::TdcBinWidth()*c->GetTDC()+32; // in ps
74ea065c 461 t->SetTOFsignal(tof);
ee77ad87 462 //t->SetTOFcluster(c->GetIndex()); // pointing to the digits tree
463 t->SetTOFcluster(idclus); // pointing to the recPoints tree
74ea065c 464 Double_t time[10]; t->GetIntegratedTimes(time);
465 Double_t mom=t->GetP();
304864ab 466 for(Int_t j=0;j<=AliPID::kSPECIES;j++){
467 Double_t mass=AliPID::ParticleMass(j);
74ea065c 468 time[j]+=(recL-trackPos[3][0])/3e-2*TMath::Sqrt(mom*mom+mass*mass)/mom;
469 }
470
471 AliTOFtrack *trackTOFout = new AliTOFtrack(*t);
472 trackTOFout->PropagateTo(xpos);
473 t->UpdateTrackParams(trackTOFout,AliESDtrack::kTOFout);
474 t->SetIntegratedLength(recL);
475 t->SetIntegratedTimes(time);
476
477 delete trackTOFout;
478 }
7bf28302 479 for (Int_t ii=0; ii<4; ii++) delete [] trackPos[ii];
480 for (Int_t ii=0;ii<6;ii++) delete [] clind[ii];
a533f541 481 delete calib;
74ea065c 482}
483//_________________________________________________________________________
7b61cd9c 484Int_t AliTOFtracker::LoadClusters(TTree *cTree) {
74ea065c 485 //--------------------------------------------------------------------
486 //This function loads the TOF clusters
487 //--------------------------------------------------------------------
488
7b61cd9c 489 TBranch *branch=cTree->GetBranch("TOF");
74ea065c 490 if (!branch) {
7b61cd9c 491 AliError("can't get the branch with the TOF clusters !");
74ea065c 492 return 1;
493 }
494
7b61cd9c 495 TClonesArray dummy("AliTOFcluster",10000), *clusters=&dummy;
496 branch->SetAddress(&clusters);
74ea065c 497
7b61cd9c 498 cTree->GetEvent(0);
499 Int_t nc=clusters->GetEntriesFast();
500 AliInfo(Form("Number of clusters: %d",nc));
74ea065c 501
7b61cd9c 502 for (Int_t i=0; i<nc; i++) {
503 AliTOFcluster *c=(AliTOFcluster*)clusters->UncheckedAt(i);
7b61cd9c 504 fClusters[i]=new AliTOFcluster(*c); fN++;
7b61cd9c 505 //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)));
506 //AliInfo(Form("%i %f",i, fClusters[i]->GetZ()));
507 }
74ea065c 508
7b61cd9c 509 //AliInfo(Form("Number of clusters: %d",fN));
74ea065c 510
511 return 0;
512}
513//_________________________________________________________________________
514void AliTOFtracker::UnloadClusters() {
515 //--------------------------------------------------------------------
516 //This function unloads TOF clusters
517 //--------------------------------------------------------------------
7b61cd9c 518 for (Int_t i=0; i<fN; i++) {
519 delete fClusters[i];
520 fClusters[i] = 0x0;
74ea065c 521 }
7b61cd9c 522 fN=0;
74ea065c 523}
524
525//_________________________________________________________________________
526Int_t AliTOFtracker::FindClusterIndex(Double_t z) const {
527 //--------------------------------------------------------------------
528 // This function returns the index of the nearest cluster
529 //--------------------------------------------------------------------
530 if (fN==0) return 0;
531 if (z <= fClusters[0]->GetZ()) return 0;
532 if (z > fClusters[fN-1]->GetZ()) return fN;
533 Int_t b=0, e=fN-1, m=(b+e)/2;
534 for (; b<e; m=(b+e)/2) {
535 if (z > fClusters[m]->GetZ()) b=m+1;
536 else e=m;
537 }
538 return m;
539}
d4754572 540
541//_________________________________________________________________________
542Bool_t AliTOFtracker::GetTrackPoint(Int_t index, AliTrackPoint& p) const
543{
544 // Get track space point with index i
545 // Coordinates are in the global system
546 AliTOFcluster *cl = fClusters[index];
547 Float_t xyz[3];
548 xyz[0] = cl->GetR()*TMath::Cos(cl->GetPhi());
549 xyz[1] = cl->GetR()*TMath::Sin(cl->GetPhi());
550 xyz[2] = cl->GetZ();
468f26c6 551 Float_t phiangle = (Int_t(cl->GetPhi()*TMath::RadToDeg()/20.)+0.5)*20.*TMath::DegToRad();
552 Float_t sinphi = TMath::Sin(phiangle), cosphi = TMath::Cos(phiangle);
553 Float_t tiltangle = fGeom->GetAngles(cl->GetDetInd(1),cl->GetDetInd(2))*TMath::DegToRad();
554 Float_t sinth = TMath::Sin(tiltangle), costh = TMath::Cos(tiltangle);
555 Float_t sigmay2 = fGeom->XPad()*fGeom->XPad()/12.;
556 Float_t sigmaz2 = fGeom->ZPad()*fGeom->ZPad()/12.;
557 Float_t cov[6];
558 cov[0] = sinphi*sinphi*sigmay2 + cosphi*cosphi*sinth*sinth*sigmaz2;
559 cov[1] = -sinphi*cosphi*sigmay2 + sinphi*cosphi*sinth*sinth*sigmaz2;
560 cov[2] = -cosphi*sinth*costh*sigmaz2;
561 cov[3] = cosphi*cosphi*sigmay2 + sinphi*sinphi*sinth*sinth*sigmaz2;
562 cov[4] = -sinphi*sinth*costh*sigmaz2;
563 cov[5] = costh*costh*sigmaz2;
564 p.SetXYZ(xyz[0],xyz[1],xyz[2],cov);
d4754572 565
566 // Detector numbering scheme
567 Int_t nSector = fGeom->NSectors();
568 Int_t nPlate = fGeom->NPlates();
569 Int_t nStripA = fGeom->NStripA();
570 Int_t nStripB = fGeom->NStripB();
571 Int_t nStripC = fGeom->NStripC();
572
573 Int_t isector = cl->GetDetInd(0);
574 if (isector >= nSector)
575 AliError(Form("Wrong sector number in TOF (%d) !",isector));
576 Int_t iplate = cl->GetDetInd(1);
577 if (iplate >= nPlate)
578 AliError(Form("Wrong plate number in TOF (%d) !",iplate));
579 Int_t istrip = cl->GetDetInd(2);
580
581 Int_t stripOffset = 0;
582 switch (iplate) {
583 case 0:
584 stripOffset = 0;
585 break;
586 case 1:
587 stripOffset = nStripC;
588 break;
589 case 2:
590 stripOffset = nStripC+nStripB;
591 break;
592 case 3:
593 stripOffset = nStripC+nStripB+nStripA;
594 break;
595 case 4:
596 stripOffset = nStripC+nStripB+nStripA+nStripB;
597 break;
598 default:
599 AliError(Form("Wrong plate number in TOF (%d) !",iplate));
600 break;
601 };
602
603 Int_t idet = (2*(nStripC+nStripB)+nStripA)*isector +
604 stripOffset +
605 istrip;
606 UShort_t volid = AliAlignObj::LayerToVolUID(AliAlignObj::kTOF,idet);
607 p.SetVolumeID((UShort_t)volid);
608 return kTRUE;
609}