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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>
0841bd02 34#include <TObjArray.h>
08048cd3 35#include <TGeoManager.h>
36#include <TTree.h>
37#include <TFile.h>
38#include <TH2F.h>
571dda3d 39
5c7c93fa 40#include "AliGeomManager.h"
0e46b9ae 41#include "AliESDtrack.h"
af885e0f 42#include "AliESDEvent.h"
10d100d4 43#include "AliESDpid.h"
d076c8d5 44#include "AliLog.h"
0e46b9ae 45#include "AliTrackPointArray.h"
5c7c93fa 46#include "AliCDBManager.h"
596a855f 47
10d100d4 48//#include "AliTOFpidESD.h"
e0ddb533 49#include "AliTOFRecoParam.h"
3a646035 50#include "AliTOFReconstructor.h"
571dda3d 51#include "AliTOFcluster.h"
ba66add8 52#include "AliTOFGeometry.h"
571dda3d 53#include "AliTOFtracker.h"
0e46b9ae 54#include "AliTOFtrack.h"
571dda3d 55
0e46b9ae 56extern TGeoManager *gGeoManager;
d200609f 57extern TROOT *gROOT;
d4754572 58
de60fa8a 59
596a855f 60ClassImp(AliTOFtracker)
61
74ea065c 62//_____________________________________________________________________________
e0ddb533 63AliTOFtracker::AliTOFtracker():
f31a249f 64 fkRecoParam(0x0),
e0ddb533 65 fGeom(0x0),
58d8d9a3 66 fN(0),
67 fNseeds(0),
68 fNseedsTOF(0),
69 fngoodmatch(0),
70 fnbadmatch(0),
71 fnunmatch(0),
72 fnmatch(0),
9d802709 73 fTracks(new TClonesArray("AliTOFtrack")),
de60fa8a 74 fSeeds(new TObjArray(100)),
75 fTOFtrackPoints(new TObjArray(10)),
5664c6ed 76 fHDigClusMap(0x0),
77 fHDigNClus(0x0),
78 fHDigClusTime(0x0),
79 fHDigClusToT(0x0),
80 fHRecNClus(0x0),
81 fHRecDist(0x0),
82 fHRecSigYVsP(0x0),
83 fHRecSigZVsP(0x0),
84 fHRecSigYVsPWin(0x0),
85 fHRecSigZVsPWin(0x0),
86 fCalTree(0x0),
87 fIch(-1),
88 fToT(-1.),
89 fTime(-1.),
90 fExpTimePi(-1.),
91 fExpTimeKa(-1.),
92 fExpTimePr(-1.)
78c25bbc 93{
74ea065c 94 //AliTOFtracker main Ctor
1d834a1e 95
78c25bbc 96 for (Int_t ii=0; ii<kMaxCluster; ii++) fClusters[ii]=0x0;
3a646035 97
78c25bbc 98 // Getting the geometry
99 fGeom = new AliTOFGeometry();
100
101 InitCheckHists();
3a646035 102
7aeeaf38 103}
5664c6ed 104//_____________________________________________________________________________
105AliTOFtracker::~AliTOFtracker() {
106 //
107 // Dtor
108 //
e0ddb533 109
5664c6ed 110 SaveCheckHists();
e0ddb533 111
5d456bcd 112 if(!(AliCDBManager::Instance()->GetCacheFlag())){
f31a249f 113 delete fkRecoParam;
5d456bcd 114 }
e0ddb533 115 delete fGeom;
5664c6ed 116 delete fHDigClusMap;
117 delete fHDigNClus;
118 delete fHDigClusTime;
119 delete fHDigClusToT;
120 delete fHRecNClus;
121 delete fHRecDist;
122 delete fHRecSigYVsP;
123 delete fHRecSigZVsP;
124 delete fHRecSigYVsPWin;
125 delete fHRecSigZVsPWin;
126 delete fCalTree;
9d802709 127 if (fTracks){
128 fTracks->Delete();
129 delete fTracks;
130 fTracks=0x0;
131 }
132 if (fSeeds){
133 fSeeds->Delete();
134 delete fSeeds;
135 fSeeds=0x0;
136 }
de60fa8a 137 if (fTOFtrackPoints){
138 fTOFtrackPoints->Delete();
139 delete fTOFtrackPoints;
140 fTOFtrackPoints=0x0;
141 }
9d802709 142
7e96dc55 143 for (Int_t ii=0; ii<kMaxCluster; ii++)
144 if (fClusters[ii]) fClusters[ii]->Delete();
1d834a1e 145
5664c6ed 146}
74ea065c 147//_____________________________________________________________________________
10d100d4 148void AliTOFtracker::GetPidSettings(AliESDpid *esdPID) {
149 //
150 // Sets TOF resolution from RecoParams
151 //
f31a249f 152 if (fkRecoParam)
153 esdPID->GetTOFResponse().SetTimeResolution(fkRecoParam->GetTimeResolution());
10d100d4 154 else
f31a249f 155 AliWarning("fkRecoParam not yet set; cannot set PID settings");
10d100d4 156}
157//_____________________________________________________________________________
f31a249f 158Int_t AliTOFtracker::PropagateBack(AliESDEvent * const event) {
74ea065c 159 //
160 // Gets seeds from ESD event and Match with TOF Clusters
161 //
162
3a646035 163 // initialize RecoParam for current event
bafe290d 164 AliDebug(1,"Initializing params for TOF");
3a646035 165
f31a249f 166 fkRecoParam = AliTOFReconstructor::GetRecoParam(); // instantiate reco param from STEER...
90b234fe 167
f31a249f 168 if (fkRecoParam == 0x0) {
3a646035 169 AliFatal("No Reco Param found for TOF!!!");
170 }
f31a249f 171 //fkRecoParam->Dump();
172 //if(fkRecoParam->GetApplyPbPbCuts())fkRecoParam=fkRecoParam->GetPbPbparam();
173 //fkRecoParam->PrintParameters();
174
74ea065c 175 //Initialise some counters
176
177 fNseeds=0;
178 fNseedsTOF=0;
179 fngoodmatch=0;
180 fnbadmatch=0;
181 fnunmatch=0;
182 fnmatch=0;
183
184 Int_t ntrk=event->GetNumberOfTracks();
185 fNseeds = ntrk;
74ea065c 186
187
188 //Load ESD tracks into a local Array of ESD Seeds
0841bd02 189 for (Int_t i=0; i<fNseeds; i++)
190 fSeeds->AddLast(event->GetTrack(i));
74ea065c 191
192 //Prepare ESD tracks candidates for TOF Matching
193 CollectESD();
194
195 //First Step with Strict Matching Criterion
196 MatchTracks(kFALSE);
197
198 //Second Step with Looser Matching Criterion
199 MatchTracks(kTRUE);
200
8a06b2a0 201 AliInfo(Form("Number of matched tracks = %d (good = %d, bad = %d)",fnmatch,fngoodmatch,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);
0841bd02 207 AliESDtrack *seed =(AliESDtrack*)fSeeds->At(i);
ff826920 208
af61c656 209 if ( (seed->GetStatus()&AliESDtrack::kTOFin)!=0 ) {
210 t->SetStatus(AliESDtrack::kTOFin);
211 //if(seed->GetTOFsignal()>0){
212 if ( (seed->GetStatus()&AliESDtrack::kTOFout)!=0 ) {
213 t->SetStatus(AliESDtrack::kTOFout);
214 t->SetTOFsignal(seed->GetTOFsignal());
215 t->SetTOFcluster(seed->GetTOFcluster());
216 t->SetTOFsignalToT(seed->GetTOFsignalToT());
217 t->SetTOFsignalRaw(seed->GetTOFsignalRaw());
218 t->SetTOFsignalDz(seed->GetTOFsignalDz());
46d7d82e 219 t->SetTOFsignalDx(seed->GetTOFsignalDx());
8b441e14 220 t->SetTOFDeltaBC(seed->GetTOFDeltaBC());
221 t->SetTOFL0L1(seed->GetTOFL0L1());
af61c656 222 t->SetTOFCalChannel(seed->GetTOFCalChannel());
223 Int_t tlab[3]; seed->GetTOFLabel(tlab);
224 t->SetTOFLabel(tlab);
225
0841bd02 226 Double_t alphaA = (Double_t)t->GetAlpha();
227 Double_t xA = (Double_t)t->GetX();
228 Double_t yA = (Double_t)t->GetY();
229 Double_t zA = (Double_t)t->GetZ();
230 Double_t p1A = (Double_t)t->GetSnp();
231 Double_t p2A = (Double_t)t->GetTgl();
232 Double_t p3A = (Double_t)t->GetSigned1Pt();
233 const Double_t *covA = (Double_t*)t->GetCovariance();
e81ea7b6 234
235 // Make attention, please:
236 // AliESDtrack::fTOFInfo array does not be stored in the AliESDs.root file
237 // it is there only for a check during the reconstruction step.
238 Float_t info[10]; seed->GetTOFInfo(info);
24322e5c 239 t->SetTOFInfo(info);
e81ea7b6 240 AliDebug(3,Form(" distance=%f; residual in the pad reference frame: dX=%f, dZ=%f", info[0],info[1],info[2]));
241
242 // Check done:
243 // by calling the AliESDtrack::UpdateTrackParams,
244 // the current track parameters are changed
245 // and it could cause refit problems.
246 // We need to update only the following track parameters:
247 // the track length and expected times.
248 // Removed AliESDtrack::UpdateTrackParams call
249 // Called AliESDtrack::SetIntegratedTimes(...) and
250 // AliESDtrack::SetIntegratedLength() routines.
251 /*
252 AliTOFtrack *track = new AliTOFtrack(*seed);
253 t->UpdateTrackParams(track,AliESDtrack::kTOFout); // to be checked - AdC
254 delete track;
255 Double_t time[10]; t->GetIntegratedTimes(time);
256 */
257
258 Double_t time[10]; seed->GetIntegratedTimes(time);
259 t->SetIntegratedTimes(time);
260
261 Double_t length = seed->GetIntegratedLength();
262 t->SetIntegratedLength(length);
263
0841bd02 264 Double_t alphaB = (Double_t)t->GetAlpha();
265 Double_t xB = (Double_t)t->GetX();
266 Double_t yB = (Double_t)t->GetY();
267 Double_t zB = (Double_t)t->GetZ();
268 Double_t p1B = (Double_t)t->GetSnp();
269 Double_t p2B = (Double_t)t->GetTgl();
270 Double_t p3B = (Double_t)t->GetSigned1Pt();
271 const Double_t *covB = (Double_t*)t->GetCovariance();
e81ea7b6 272 AliDebug(2,"Track params -now(before)-:");
273 AliDebug(2,Form(" X: %f(%f), Y: %f(%f), Z: %f(%f) --- alpha: %f(%f)",
274 xB,xA,
275 yB,yA,
276 zB,zA,
277 alphaB,alphaA));
278 AliDebug(2,Form(" p1: %f(%f), p2: %f(%f), p3: %f(%f)",
279 p1B,p1A,
280 p2B,p2A,
281 p3B,p3A));
282 AliDebug(2,Form(" cov1: %f(%f), cov2: %f(%f), cov3: %f(%f)"
283 " cov4: %f(%f), cov5: %f(%f), cov6: %f(%f)"
284 " cov7: %f(%f), cov8: %f(%f), cov9: %f(%f)"
285 " cov10: %f(%f), cov11: %f(%f), cov12: %f(%f)"
286 " cov13: %f(%f), cov14: %f(%f), cov15: %f(%f)",
287 covB[0],covA[0],
288 covB[1],covA[1],
289 covB[2],covA[2],
290 covB[3],covA[3],
291 covB[4],covA[4],
292 covB[5],covA[5],
293 covB[6],covA[6],
294 covB[7],covA[7],
295 covB[8],covA[8],
296 covB[9],covA[9],
297 covB[10],covA[10],
298 covB[11],covA[11],
299 covB[12],covA[12],
300 covB[13],covA[13],
301 covB[14],covA[14]
302 ));
303 AliDebug(3,Form(" TOF params: %6d %f %f %f %f %f %6d %3d %f %f %f %f %f %f",
af61c656 304 i,
305 t->GetTOFsignalRaw(),
306 t->GetTOFsignal(),
307 t->GetTOFsignalToT(),
308 t->GetTOFsignalDz(),
46d7d82e 309 t->GetTOFsignalDx(),
af61c656 310 t->GetTOFCalChannel(),
311 t->GetTOFcluster(),
312 t->GetIntegratedLength(),
313 time[0], time[1], time[2], time[3], time[4]
314 )
315 );
316 }
74ea065c 317 }
318 }
319
74ea065c 320 //Make TOF PID
10d100d4 321 // Now done in AliESDpid
322 // fPid->MakePID(event,timeZero);
74ea065c 323
de60fa8a 324 fSeeds->Clear();
1d834a1e 325 //fTracks->Delete();
326 fTracks->Clear();
74ea065c 327 return 0;
328
329}
330//_________________________________________________________________________
331void AliTOFtracker::CollectESD() {
332 //prepare the set of ESD tracks to be matched to clusters in TOF
5478df1f 333
334 Int_t seedsTOF1=0;
78c25bbc 335 Int_t seedsTOF3=0;
5478df1f 336 Int_t seedsTOF2=0;
74ea065c 337
74ea065c 338 TClonesArray &aTOFTrack = *fTracks;
339 for (Int_t i=0; i<fNseeds; i++) {
340
0841bd02 341 AliESDtrack *t =(AliESDtrack*)fSeeds->At(i);
74ea065c 342 if ((t->GetStatus()&AliESDtrack::kTPCout)==0)continue;
343
56da420e 344 AliTOFtrack *track = new AliTOFtrack(*t); // New
af61c656 345 Float_t x = (Float_t)track->GetX(); //New
346
78c25bbc 347 // TRD 'good' tracks
348 if ( ( (t->GetStatus()&AliESDtrack::kTRDout)!=0 ) ) {
af61c656 349
78c25bbc 350 AliDebug(1,Form(" Before propagation till inner TOF radius, ESDtrackLength=%f, TOFtrackLength=%f",t->GetIntegratedLength(),track->GetIntegratedLength()));
351
352 // TRD 'good' tracks, already propagated at 371 cm
353 if( x >= AliTOFGeometry::Rmin() ) {
354
355 if ( track->PropagateToInnerTOF() ) {
356
357 AliDebug(1,Form(" TRD propagated track till rho = %fcm."
358 " And then the track has been propagated till rho = %fcm.",
359 x, (Float_t)track->GetX()));
360
361 track->SetSeedIndex(i);
362 t->UpdateTrackParams(track,AliESDtrack::kTOFin);
363 new(aTOFTrack[fNseedsTOF]) AliTOFtrack(*track);
364 fNseedsTOF++;
365 seedsTOF1++;
366
367 AliDebug(1,Form(" After propagation till inner TOF radius, ESDtrackLength=%f, TOFtrackLength=%f",t->GetIntegratedLength(),track->GetIntegratedLength()));
368 }
369 delete track;
af61c656 370
af61c656 371 }
78c25bbc 372 else { // TRD 'good' tracks, propagated rho<371cm
373
374 if ( track->PropagateToInnerTOF() ) {
375
376 AliDebug(1,Form(" TRD propagated track till rho = %fcm."
377 " And then the track has been propagated till rho = %fcm.",
378 x, (Float_t)track->GetX()));
379
380 track->SetSeedIndex(i);
381 t->UpdateTrackParams(track,AliESDtrack::kTOFin);
382 new(aTOFTrack[fNseedsTOF]) AliTOFtrack(*track);
383 fNseedsTOF++;
384 seedsTOF3++;
385
386 AliDebug(1,Form(" After propagation till inner TOF radius, ESDtrackLength=%f, TOFtrackLength=%f",t->GetIntegratedLength(),track->GetIntegratedLength()));
387 }
388 delete track;
389
390 }
391 //delete track;
74ea065c 392 }
393
78c25bbc 394 else { // Propagate the rest of TPCbp
395
396 AliDebug(1,Form(" Before propagation till inner TOF radius, ESDtrackLength=%f, TOFtrackLength=%f",t->GetIntegratedLength(),track->GetIntegratedLength()));
397
af61c656 398 if ( track->PropagateToInnerTOF() ) {
399
400 AliDebug(1,Form(" TPC propagated track till rho = %fcm."
401 " And then the track has been propagated till rho = %fcm.",
402 x, (Float_t)track->GetX()));
403
74ea065c 404 track->SetSeedIndex(i);
af61c656 405 t->UpdateTrackParams(track,AliESDtrack::kTOFin);
74ea065c 406 new(aTOFTrack[fNseedsTOF]) AliTOFtrack(*track);
407 fNseedsTOF++;
5478df1f 408 seedsTOF2++;
78c25bbc 409
410 AliDebug(1,Form(" After propagation till inner TOF radius, ESDtrackLength=%f, TOFtrackLength=%f",t->GetIntegratedLength(),track->GetIntegratedLength()));
74ea065c 411 }
412 delete track;
413 }
414 }
415
78c25bbc 416 AliInfo(Form("Number of TOF seeds = %d (kTRDout371 = %d, kTRDoutLess371 = %d, !kTRDout = %d)",fNseedsTOF,seedsTOF1,seedsTOF3,seedsTOF2));
7b61cd9c 417
74ea065c 418 // Sort according uncertainties on track position
419 fTracks->Sort();
420
421}
78c25bbc 422
74ea065c 423//_________________________________________________________________________
424void AliTOFtracker::MatchTracks( Bool_t mLastStep){
425
e0ddb533 426 // Parameters used/regulating the reconstruction
427
78c25bbc 428 //static Float_t corrLen=0.;//0.75;
429 static Float_t detDepth=18.;
d01bf4f4 430 static Float_t padDepth=0.5;
e0ddb533 431
6819758a 432 const Float_t kSpeedOfLight= 2.99792458e-2; // speed of light [cm/ps]
f2524833 433 const Float_t kTimeOffset = 0.; // time offset for tracking algorithm [ps]
6819758a 434
ba66add8 435 Float_t dY=AliTOFGeometry::XPad();
436 Float_t dZ=AliTOFGeometry::ZPad();
e0ddb533 437
f31a249f 438 Float_t sensRadius = fkRecoParam->GetSensRadius();
439 Float_t stepSize = fkRecoParam->GetStepSize();
78c25bbc 440 Float_t scaleFact = fkRecoParam->GetWindowScaleFact();
f31a249f 441 Float_t dyMax=fkRecoParam->GetWindowSizeMaxY();
442 Float_t dzMax=fkRecoParam->GetWindowSizeMaxZ();
443 Float_t dCut=fkRecoParam->GetDistanceCut();
78c25bbc 444 if (dCut==3. && fNseedsTOF<=10) {
445 dCut=10.;
446 AliInfo(Form("Matching window=%f, since low multiplicity event (fNseedsTOF=%d)",
447 dCut, fNseedsTOF));
448 }
f31a249f 449 Double_t maxChi2=fkRecoParam->GetMaxChi2TRD();
450 Bool_t timeWalkCorr = fkRecoParam->GetTimeWalkCorr();
a838421b 451 if(!mLastStep){
452 AliDebug(1,"++++++++++++++TOF Reconstruction Parameters:++++++++++++ \n");
453 AliDebug(1,Form("TOF sens radius: %f",sensRadius));
454 AliDebug(1,Form("TOF step size: %f",stepSize));
455 AliDebug(1,Form("TOF Window scale factor: %f",scaleFact));
456 AliDebug(1,Form("TOF Window max dy: %f",dyMax));
457 AliDebug(1,Form("TOF Window max dz: %f",dzMax));
458 AliDebug(1,Form("TOF distance Cut: %f",dCut));
459 AliDebug(1,Form("TOF Max Chi2: %f",maxChi2));
460 AliDebug(1,Form("Time Walk Correction? : %d",timeWalkCorr));
461 }
74ea065c 462
53884c34 463 //Match ESD tracks to clusters in TOF
a533f541 464
e0ddb533 465 // Get the number of propagation steps
e0ddb533 466 Int_t nSteps=(Int_t)(detDepth/stepSize);
78c25bbc 467 AliDebug(1,Form(" Number of steps to be done %d",nSteps));
7bf28302 468
469 //PH Arrays (moved outside of the loop)
470 Float_t * trackPos[4];
471 for (Int_t ii=0; ii<4; ii++) trackPos[ii] = new Float_t[nSteps];
128563f6 472 Int_t * clind = new Int_t[fN];
74ea065c 473
53884c34 474 // Some init
53884c34 475 const Int_t kNclusterMax = 1000; // related to fN value
de60fa8a 476 TGeoHMatrix global[kNclusterMax];
477
af61c656 478 //The matching loop
c0545837 479 for (Int_t iseed=0; iseed<fNseedsTOF; iseed++) {
74ea065c 480
48b634ff 481 fTOFtrackPoints->Delete();
de60fa8a 482
53884c34 483 for (Int_t ii=0; ii<kNclusterMax; ii++)
484 global[ii] = 0x0;
c0545837 485 AliTOFtrack *track =(AliTOFtrack*)fTracks->UncheckedAt(iseed);
0841bd02 486 AliESDtrack *t =(AliESDtrack*)fSeeds->At(track->GetSeedIndex());
af61c656 487 //if ( t->GetTOFsignal()>0. ) continue;
488 if ( (t->GetStatus()&AliESDtrack::kTOFout)!=0 ) continue;
de60fa8a 489 AliTOFtrack *trackTOFin = new AliTOFtrack(*track);
74ea065c 490
74ea065c 491 // Determine a window around the track
74ea065c 492 Double_t x,par[5];
493 trackTOFin->GetExternalParameters(x,par);
494 Double_t cov[15];
495 trackTOFin->GetExternalCovariance(cov);
6c94f330 496
53884c34 497 if (cov[0]<0. || cov[2]<0.) {
498 AliWarning(Form("Very strange track (%d)! At least one of its covariance matrix diagonal elements is negative!",iseed));
ecd795d8 499 //delete trackTOFin;
500 //continue;
53884c34 501 }
502
74ea065c 503 Double_t dphi=
e0ddb533 504 scaleFact*
ecd795d8 505 ((5*TMath::Sqrt(TMath::Abs(cov[0])) + 0.5*dY + 2.5*TMath::Abs(par[2]))/sensRadius);
74ea065c 506 Double_t dz=
e0ddb533 507 scaleFact*
ecd795d8 508 (5*TMath::Sqrt(TMath::Abs(cov[2])) + 0.5*dZ + 2.5*TMath::Abs(par[3]));
6c94f330 509
74ea065c 510 Double_t phi=TMath::ATan2(par[0],x) + trackTOFin->GetAlpha();
511 if (phi<-TMath::Pi())phi+=2*TMath::Pi();
512 if (phi>=TMath::Pi())phi-=2*TMath::Pi();
513 Double_t z=par[1];
514
c0545837 515 //upper limit on window's size.
de60fa8a 516 if (dz> dzMax) dz=dzMax;
517 if (dphi*sensRadius> dyMax) dphi=dyMax/sensRadius;
c0545837 518
519
74ea065c 520 // find the clusters in the window of the track
de60fa8a 521 Int_t nc=0;
74ea065c 522 for (Int_t k=FindClusterIndex(z-dz); k<fN; k++) {
7b61cd9c 523
53884c34 524 if (nc>=kNclusterMax) {
525 AliWarning("No more matchable clusters can be stored! Please, increase the corresponding vectors size.");
526 break;
527 }
528
74ea065c 529 AliTOFcluster *c=fClusters[k];
530 if (c->GetZ() > z+dz) break;
531 if (c->IsUsed()) continue;
17149e6b 532 if (!c->GetStatus()) {
53884c34 533 AliDebug(1,"Cluster in channel declared bad!");
534 continue; // skip bad channels as declared in OCDB
17149e6b 535 }
7b61cd9c 536
74ea065c 537 Double_t dph=TMath::Abs(c->GetPhi()-phi);
538 if (dph>TMath::Pi()) dph-=2.*TMath::Pi();
9b49e4c9 539 if (TMath::Abs(dph)>dphi) continue;
ba66add8 540
6c94f330 541 Double_t yc=(c->GetPhi() - trackTOFin->GetAlpha())*c->GetR();
542 Double_t p[2]={yc, c->GetZ()};
3c609b5c 543 Double_t cov2[3]= {dY*dY/12., 0., dZ*dZ/12.};
544 if (trackTOFin->AliExternalTrackParam::GetPredictedChi2(p,cov2) > maxChi2)continue;
6c94f330 545
128563f6 546 clind[nc] = k;
de40f9c1 547 Char_t path[200];
c0545837 548 Int_t ind[5];
128563f6 549 ind[0]=c->GetDetInd(0);
550 ind[1]=c->GetDetInd(1);
551 ind[2]=c->GetDetInd(2);
552 ind[3]=c->GetDetInd(3);
553 ind[4]=c->GetDetInd(4);
c0545837 554 fGeom->GetVolumePath(ind,path);
555 gGeoManager->cd(path);
556 global[nc] = *gGeoManager->GetCurrentMatrix();
74ea065c 557 nc++;
558 }
559
53884c34 560 AliDebug(1,Form(" Number of matchable TOF clusters for the track number %d: %d",iseed,nc));
561
78c25bbc 562 if (nc == 0 ) {
563 fnunmatch++;
564 delete trackTOFin;
565 continue;
566 }
567
74ea065c 568 //start fine propagation
569
570 Int_t nStepsDone = 0;
571 for( Int_t istep=0; istep<nSteps; istep++){
572
78c25bbc 573 // First of all, propagate the track...
574 Float_t xs = AliTOFGeometry::RinTOF()+istep*stepSize;
9a4d9088 575 if (!(trackTOFin->PropagateTo(xs))) break;
74ea065c 576
78c25bbc 577 // ...and then, if necessary, rotate the track
578 Double_t ymax = xs*TMath::Tan(0.5*AliTOFGeometry::GetAlpha());
579 Double_t ysect = trackTOFin->GetY();
74ea065c 580 if (ysect > ymax) {
9a4d9088 581 if (!(trackTOFin->Rotate(AliTOFGeometry::GetAlpha()))) break;
74ea065c 582 } else if (ysect <-ymax) {
9a4d9088 583 if (!(trackTOFin->Rotate(-AliTOFGeometry::GetAlpha()))) break;
74ea065c 584 }
585
74ea065c 586 nStepsDone++;
78c25bbc 587 AliDebug(2,Form(" current step %d (%d) - nStepsDone=%d",istep,nSteps,nStepsDone));
74ea065c 588
589 // store the running point (Globalrf) - fine propagation
590
6c94f330 591 Double_t r[3];
592 trackTOFin->GetXYZ(r);
78c25bbc 593 trackPos[0][nStepsDone-1]= (Float_t) r[0];
594 trackPos[1][nStepsDone-1]= (Float_t) r[1];
595 trackPos[2][nStepsDone-1]= (Float_t) r[2];
596 trackPos[3][nStepsDone-1]= trackTOFin->GetIntegratedLength();
74ea065c 597 }
598
599
78c25bbc 600#if 0
601 /*****************/
602 /**** OLD CODE ***/
603 /*****************/
604
74ea065c 605 Int_t nfound = 0;
d01bf4f4 606 Bool_t accept = kFALSE;
6819758a 607 Bool_t isInside = kFALSE;
74ea065c 608 for (Int_t istep=0; istep<nStepsDone; istep++) {
609
53884c34 610 Float_t ctrackPos[3];
ff826920 611 ctrackPos[0] = trackPos[0][istep];
612 ctrackPos[1] = trackPos[1][istep];
613 ctrackPos[2] = trackPos[2][istep];
74ea065c 614
615 //now see whether the track matches any of the TOF clusters
616
524da123 617 Float_t dist3d[3];
ff826920 618 accept = kFALSE;
619 for (Int_t i=0; i<nc; i++) {
8104fec9 620 isInside = fGeom->IsInsideThePad((TGeoHMatrix*)(&global[i]),ctrackPos,dist3d);
d01bf4f4 621
6819758a 622 if ( mLastStep ) {
623 Float_t yLoc = dist3d[1];
624 Float_t rLoc = TMath::Sqrt(dist3d[0]*dist3d[0]+dist3d[2]*dist3d[2]);
625 accept = (TMath::Abs(yLoc)<padDepth*0.5 && rLoc<dCut);
626 AliDebug(2," I am in the case mLastStep==kTRUE ");
d01bf4f4 627 }
ff826920 628 else {
d01bf4f4 629 accept = isInside;
630 }
ff826920 631 if (accept) {
6819758a 632
de60fa8a 633 fTOFtrackPoints->AddLast(new AliTOFtrackPoint(clind[i],
634 TMath::Sqrt(dist3d[0]*dist3d[0] + dist3d[1]*dist3d[1] + dist3d[2]*dist3d[2]),
78c25bbc 635 dist3d[2],dist3d[0],dist3d[1],
636 AliTOFGeometry::RinTOF()+istep*stepSize,trackPos[3][istep]));
de60fa8a 637
638 AliDebug(2,Form(" dist3dLoc[0] = %f, dist3dLoc[1] = %f, dist3dLoc[2] = %f ",dist3d[0],dist3d[1],dist3d[2]));
74ea065c 639 nfound++;
d01bf4f4 640 if(accept &&!mLastStep)break;
74ea065c 641 }//end if accept
524da123 642
74ea065c 643 } //end for on the clusters
d01bf4f4 644 if(accept &&!mLastStep)break;
74ea065c 645 } //end for on the steps
646
78c25bbc 647 /*****************/
648 /**** OLD CODE ***/
649 /*****************/
650#endif
651
652 AliDebug(1,Form(" Number of steps done for the track number %d: %d",iseed,nStepsDone));
653
654 if ( nStepsDone == 0 ) {
655 fnunmatch++;
656 delete trackTOFin;
657 continue;
658 }
659
660 /*****************/
661 /**** NEW CODE ***/
662 /*****************/
663
664 Int_t nfound = 0;
665 Bool_t accept = kFALSE;
666 Bool_t isInside = kFALSE;
667 for (Int_t istep=0; istep<nStepsDone; istep++) {
668
669 Bool_t gotInsideCluster = kFALSE;
670 Int_t trackInsideCluster = -1;
671
672 Float_t ctrackPos[3];
673 ctrackPos[0] = trackPos[0][istep];
674 ctrackPos[1] = trackPos[1][istep];
675 ctrackPos[2] = trackPos[2][istep];
676
677 //now see whether the track matches any of the TOF clusters
678
679 Float_t dist3d[3]={0.,0.,0.};
680 accept = kFALSE;
681 for (Int_t i=0; i<nc; i++) {
682
683 // ***** NEW *****
684 /* check whether track was inside another cluster
685 * and in case inhibit this cluster.
686 * this will allow to only go on and add track points for
687 * that cluster where the track got inside first */
688 if (gotInsideCluster && trackInsideCluster != i) {
689 AliDebug(2,Form(" A - istep=%d ~ %d %d ~ nfound=%d",istep,trackInsideCluster,i,nfound));
690 continue;
691 }
692 AliDebug(2,Form(" B - istep=%d ~ %d %d ~ nfound=%d",istep,trackInsideCluster,i,nfound));
693
694 /* check whether track is inside this cluster */
695 for (Int_t hh=0; hh<3; hh++) dist3d[hh]=0.;
696 isInside = fGeom->IsInsideThePad((TGeoHMatrix*)(&global[i]),ctrackPos,dist3d);
697
698 // ***** NEW *****
699 /* if track is inside this cluster set flags which will then
700 * inhibit to add track points for the other clusters */
701 if (isInside) {
702 gotInsideCluster = kTRUE;
703 trackInsideCluster = i;
704 }
705
706 if ( mLastStep ) {
707 Float_t yLoc = dist3d[1];
708 Float_t rLoc = TMath::Sqrt(dist3d[0]*dist3d[0]+dist3d[2]*dist3d[2]);
709 accept = (TMath::Abs(yLoc)<padDepth*0.5 && rLoc<dCut);
710 AliDebug(2," I am in the case mLastStep==kTRUE ");
711 }
712
713 //***** NEW *****
714 /* add point everytime that:
715 * - the track is inside the cluster
716 * - the track got inside the cluster, even when it eventually exited the cluster
717 * - the tracks is within dCut from the cluster
718 */
719 if (accept || isInside || gotInsideCluster) {
720
721 fTOFtrackPoints->AddLast(new AliTOFtrackPoint(clind[i],
722 TMath::Sqrt(dist3d[0]*dist3d[0] + dist3d[1]*dist3d[1] + dist3d[2]*dist3d[2]),
723 dist3d[2],dist3d[0],dist3d[1],
724 AliTOFGeometry::RinTOF()+istep*stepSize,trackPos[3][istep]));
725
726 AliDebug(2,Form(" dist3dLoc[0] = %f, dist3dLoc[1] = %f, dist3dLoc[2] = %f ",dist3d[0],dist3d[1],dist3d[2]));
727 nfound++;
728
729 AliDebug(2,Form(" C - istep=%d ~ %d %d ~ nfound=%d",istep,trackInsideCluster,i,nfound));
730
731 // ***** NEW *****
732 /* do not break loop in any case
733 * if the track got inside a cluster all other clusters
734 * are inhibited */
735 // if(accept &&!mLastStep)break;
736
737 }//end if accept
738
739 } //end for on the clusters
740
741 // ***** NEW *****
742 /* do not break loop in any case
743 * if the track got inside a cluster all other clusters
744 * are inhibited but we want to go on adding track points */
745 // if(accept &&!mLastStep)break;
746
747 } //end for on the steps
9b49e4c9 748
749
78c25bbc 750 AliDebug(1,Form(" Number of track points for the track number %d: %d",iseed,nfound));
751
74ea065c 752 if (nfound == 0 ) {
753 fnunmatch++;
7bf28302 754 delete trackTOFin;
74ea065c 755 continue;
756 }
757
74ea065c 758 // now choose the cluster to be matched with the track.
759
90b234fe 760 Int_t idclus=-1;
74ea065c 761 Float_t recL = 0.;
762 Float_t xpos=0.;
763 Float_t mindist=1000.;
e0ddb533 764 Float_t mindistZ=0.;
24322e5c 765 Float_t mindistY=0.;
78c25bbc 766 Float_t mindistX=stepSize;
767 for (Int_t iclus= 0; iclus<nfound;iclus++) {
de60fa8a 768 AliTOFtrackPoint *matchableTOFcluster = (AliTOFtrackPoint*)fTOFtrackPoints->At(iclus);
78c25bbc 769 //if ( matchableTOFcluster->Distance()<mindist ) {
770 if ( TMath::Abs(matchableTOFcluster->DistanceX())<TMath::Abs(mindistX) &&
771 TMath::Abs(matchableTOFcluster->DistanceX())<=stepSize ) {
de60fa8a 772 mindist = matchableTOFcluster->Distance();
78c25bbc 773 mindistZ = matchableTOFcluster->DistanceZ(); // Z distance in the
774 // RF of the hit pad
775 // closest to the
776 // reconstructed
777 // track
de60fa8a 778 mindistY = matchableTOFcluster->DistanceY(); // Y distance in the
779 // RF of the hit pad
780 // closest to the
781 // reconstructed
782 // track
78c25bbc 783 mindistX = matchableTOFcluster->DistanceX(); // X distance in the
784 // RF of the hit pad
785 // closest to the
786 // reconstructed
787 // track
788 xpos = matchableTOFcluster->PropRadius();
de60fa8a 789 idclus = matchableTOFcluster->Index();
78c25bbc 790 recL = matchableTOFcluster->Length();// + corrLen*0.5;
791
792 AliDebug(1,Form(" %d(%d) --- %f (%f, %f, %f), step=%f -- idclus=%d --- seed=%d, trackId=%d, trackLab=%d", iclus,nfound,
793 mindist,mindistX,mindistY,mindistZ,stepSize,idclus,iseed,track->GetSeedIndex(),track->GetLabel()));
794
74ea065c 795 }
de60fa8a 796 } // loop on found TOF track points
74ea065c 797
78c25bbc 798 if (TMath::Abs(mindistX)>stepSize && idclus!=-1) {
799 AliInfo(Form("--------Not matched --- but idclus=%d, trackId=%d, trackLab=%d",
800 idclus,track->GetSeedIndex(),track->GetLabel()));
801 idclus=-1;
802 }
803
1d834a1e 804 if (idclus==-1) {
805 AliDebug(1,Form("Reconstructed track %d doesn't match any TOF cluster", iseed));
78c25bbc 806 fnunmatch++;
1d834a1e 807 delete trackTOFin;
808 continue;
809 }
d01bf4f4 810
78c25bbc 811 AliDebug(1,"--------Matched");
812
813 fnmatch++;
814
74ea065c 815 AliTOFcluster *c=fClusters[idclus];
de60fa8a 816
6819758a 817 AliDebug(2, Form("%7d %7d %10d %10d %10d %10d %7d",
32ead898 818 iseed,
3a646035 819 fnmatch-1,
32ead898 820 TMath::Abs(trackTOFin->GetLabel()),
821 c->GetLabel(0), c->GetLabel(1), c->GetLabel(2),
822 idclus)); // AdC
823
e0ddb533 824 c->Use();
74ea065c 825
826 // Track length correction for matching Step 2
78c25bbc 827 /*
de60fa8a 828 if (mLastStep) {
829 Float_t rc = TMath::Sqrt(c->GetR()*c->GetR() + c->GetZ()*c->GetZ());
830 Float_t rt = TMath::Sqrt(trackPos[0][70]*trackPos[0][70]
831 +trackPos[1][70]*trackPos[1][70]
832 +trackPos[2][70]*trackPos[2][70]);
833 Float_t dlt=rc-rt;
74ea065c 834 recL=trackPos[3][70]+dlt;
de60fa8a 835 }
78c25bbc 836 */
74ea065c 837 if (
838 (c->GetLabel(0)==TMath::Abs(trackTOFin->GetLabel()))
839 ||
840 (c->GetLabel(1)==TMath::Abs(trackTOFin->GetLabel()))
841 ||
842 (c->GetLabel(2)==TMath::Abs(trackTOFin->GetLabel()))
843 ) {
844 fngoodmatch++;
d3c7bfac 845
6819758a 846 AliDebug(2,Form(" track label good %5d",trackTOFin->GetLabel()));
d3c7bfac 847
74ea065c 848 }
53884c34 849 else {
74ea065c 850 fnbadmatch++;
d3c7bfac 851
6819758a 852 AliDebug(2,Form(" track label bad %5d",trackTOFin->GetLabel()));
d3c7bfac 853
74ea065c 854 }
855
856 delete trackTOFin;
857
a533f541 858 // Store quantities to be used in the TOF Calibration
ba66add8 859 Float_t tToT=AliTOFGeometry::ToTBinWidth()*c->GetToT()*1E-3; // in ns
7aeeaf38 860 t->SetTOFsignalToT(tToT);
6819758a 861 Float_t rawTime=AliTOFGeometry::TdcBinWidth()*c->GetTDCRAW()+kTimeOffset; // RAW time,in ps
d321691a 862 t->SetTOFsignalRaw(rawTime);
863 t->SetTOFsignalDz(mindistZ);
46d7d82e 864 t->SetTOFsignalDx(mindistY);
8b441e14 865 t->SetTOFDeltaBC(c->GetDeltaBC());
866 t->SetTOFL0L1(c->GetL0L1Latency());
6819758a 867
24322e5c 868 Float_t info[10] = {mindist,mindistY,mindistZ,
869 0.,0.,0.,0.,0.,0.,0.};
870 t->SetTOFInfo(info);
871 AliDebug(2,Form(" distance=%f; residual in the pad reference frame: dX=%f, dZ=%f", info[0],info[1],info[2]));
872
873
a533f541 874 Int_t ind[5];
875 ind[0]=c->GetDetInd(0);
876 ind[1]=c->GetDetInd(1);
877 ind[2]=c->GetDetInd(2);
878 ind[3]=c->GetDetInd(3);
879 ind[4]=c->GetDetInd(4);
ba66add8 880 Int_t calindex = AliTOFGeometry::GetIndex(ind);
a533f541 881 t->SetTOFCalChannel(calindex);
11c7ff68 882
883 // keep track of the track labels in the matched cluster
884 Int_t tlab[3];
885 tlab[0]=c->GetLabel(0);
886 tlab[1]=c->GetLabel(1);
887 tlab[2]=c->GetLabel(2);
6819758a 888 AliDebug(2,Form(" tdc time of the matched track %6d = ",c->GetTDC()));
889 Double_t tof=AliTOFGeometry::TdcBinWidth()*c->GetTDC()+kTimeOffset; // in ps
5478df1f 890 AliDebug(2,Form(" tof time of the matched track: %f = ",tof));
5478df1f 891 Double_t tofcorr=tof;
892 if(timeWalkCorr)tofcorr=CorrectTimeWalk(mindistZ,tof);
893 AliDebug(2,Form(" tof time of the matched track, after TW corr: %f = ",tofcorr));
894 //Set TOF time signal and pointer to the matched cluster
895 t->SetTOFsignal(tofcorr);
ee77ad87 896 t->SetTOFcluster(idclus); // pointing to the recPoints tree
5478df1f 897
6819758a 898 AliDebug(2,Form(" Setting TOF raw time: %f, z distance: %f corrected time: %f ",rawTime,mindistZ,tofcorr));
899
5478df1f 900 //Tracking info
6819758a 901 Double_t time[AliPID::kSPECIES]; t->GetIntegratedTimes(time); // in ps
74ea065c 902 Double_t mom=t->GetP();
53884c34 903 AliDebug(2,Form(" Momentum for track %d -> %f", iseed,mom));
904 for (Int_t j=0;j<AliPID::kSPECIES;j++) {
304864ab 905 Double_t mass=AliPID::ParticleMass(j);
6819758a 906 time[j]+=(recL-trackPos[3][0])/kSpeedOfLight*TMath::Sqrt(mom*mom+mass*mass)/mom;
74ea065c 907 }
908
909 AliTOFtrack *trackTOFout = new AliTOFtrack(*t);
9a4d9088 910 if (!(trackTOFout->PropagateTo(xpos))) {
911 delete trackTOFout;
912 continue;
913 }
77a9ea9a 914
78c25bbc 915 // If necessary, rotate the track
916 Double_t yATxposMax=xpos*TMath::Tan(0.5*AliTOFGeometry::GetAlpha());
917 Double_t yATxpos=trackTOFout->GetY();
918 if (yATxpos > yATxposMax) {
9a4d9088 919 if (!(trackTOFout->Rotate(AliTOFGeometry::GetAlpha()))) {
920 delete trackTOFout;
921 continue;
922 }
78c25bbc 923 } else if (yATxpos < -yATxposMax) {
9a4d9088 924 if (!(trackTOFout->Rotate(-AliTOFGeometry::GetAlpha()))) {
925 delete trackTOFout;
926 continue;
927 }
78c25bbc 928 }
929
77a9ea9a 930 // Fill the track residual histograms.
931 FillResiduals(trackTOFout,c,kFALSE);
932
af61c656 933 t->UpdateTrackParams(trackTOFout,AliESDtrack::kTOFout);
74ea065c 934 t->SetIntegratedLength(recL);
935 t->SetIntegratedTimes(time);
11c7ff68 936 t->SetTOFLabel(tlab);
5478df1f 937
938
5664c6ed 939 // Fill Reco-QA histos for Reconstruction
940 fHRecNClus->Fill(nc);
941 fHRecDist->Fill(mindist);
38c767fa 942 if (cov[0]>=0.)
943 fHRecSigYVsP->Fill(mom,TMath::Sqrt(cov[0]));
944 else
57bd70af 945 fHRecSigYVsP->Fill(mom,-TMath::Sqrt(-cov[0]));
38c767fa 946 if (cov[2]>=0.)
947 fHRecSigZVsP->Fill(mom,TMath::Sqrt(cov[2]));
948 else
57bd70af 949 fHRecSigZVsP->Fill(mom,-TMath::Sqrt(-cov[2]));
e0ddb533 950 fHRecSigYVsPWin->Fill(mom,dphi*sensRadius);
5664c6ed 951 fHRecSigZVsPWin->Fill(mom,dz);
952
953 // Fill Tree for on-the-fly offline Calibration
954
53884c34 955 if ( !((t->GetStatus() & AliESDtrack::kTIME)==0 ) ) {
5664c6ed 956 fIch=calindex;
957 fToT=tToT;
5478df1f 958 fTime=rawTime;
5664c6ed 959 fExpTimePi=time[2];
960 fExpTimeKa=time[3];
961 fExpTimePr=time[4];
962 fCalTree->Fill();
963 }
74ea065c 964 delete trackTOFout;
965 }
de60fa8a 966
7bf28302 967 for (Int_t ii=0; ii<4; ii++) delete [] trackPos[ii];
128563f6 968 delete [] clind;
ba66add8 969
74ea065c 970}
971//_________________________________________________________________________
7b61cd9c 972Int_t AliTOFtracker::LoadClusters(TTree *cTree) {
74ea065c 973 //--------------------------------------------------------------------
974 //This function loads the TOF clusters
975 //--------------------------------------------------------------------
976
ba66add8 977 Int_t npadX = AliTOFGeometry::NpadX();
978 Int_t npadZ = AliTOFGeometry::NpadZ();
979 Int_t nStripA = AliTOFGeometry::NStripA();
980 Int_t nStripB = AliTOFGeometry::NStripB();
981 Int_t nStripC = AliTOFGeometry::NStripC();
5664c6ed 982
7b61cd9c 983 TBranch *branch=cTree->GetBranch("TOF");
74ea065c 984 if (!branch) {
7b61cd9c 985 AliError("can't get the branch with the TOF clusters !");
74ea065c 986 return 1;
987 }
988
9d802709 989 static TClonesArray dummy("AliTOFcluster",10000);
990 dummy.Clear();
991 TClonesArray *clusters=&dummy;
7b61cd9c 992 branch->SetAddress(&clusters);
74ea065c 993
7b61cd9c 994 cTree->GetEvent(0);
995 Int_t nc=clusters->GetEntriesFast();
5664c6ed 996 fHDigNClus->Fill(nc);
997
7b61cd9c 998 AliInfo(Form("Number of clusters: %d",nc));
74ea065c 999
7b61cd9c 1000 for (Int_t i=0; i<nc; i++) {
1001 AliTOFcluster *c=(AliTOFcluster*)clusters->UncheckedAt(i);
16a2e36a 1002//PH fClusters[i]=new AliTOFcluster(*c); fN++;
1003 fClusters[i]=c; fN++;
5664c6ed 1004
1005 // Fill Digits QA histos
1006
1007 Int_t isector = c->GetDetInd(0);
1008 Int_t iplate = c->GetDetInd(1);
1009 Int_t istrip = c->GetDetInd(2);
1010 Int_t ipadX = c->GetDetInd(4);
1011 Int_t ipadZ = c->GetDetInd(3);
1012
ba66add8 1013 Float_t time =(AliTOFGeometry::TdcBinWidth()*c->GetTDC())*1E-3; // in ns
1014 Float_t tot = (AliTOFGeometry::TdcBinWidth()*c->GetToT())*1E-3;//in ns
5664c6ed 1015
1016 Int_t stripOffset = 0;
1017 switch (iplate) {
1018 case 0:
1019 stripOffset = 0;
1020 break;
1021 case 1:
1022 stripOffset = nStripC;
1023 break;
1024 case 2:
1025 stripOffset = nStripC+nStripB;
1026 break;
1027 case 3:
1028 stripOffset = nStripC+nStripB+nStripA;
1029 break;
1030 case 4:
1031 stripOffset = nStripC+nStripB+nStripA+nStripB;
1032 break;
1033 default:
1034 AliError(Form("Wrong plate number in TOF (%d) !",iplate));
1035 break;
1036 };
1037 Int_t zindex=npadZ*(istrip+stripOffset)+(ipadZ+1);
1038 Int_t phiindex=npadX*isector+ipadX+1;
1039 fHDigClusMap->Fill(zindex,phiindex);
1040 fHDigClusTime->Fill(time);
1041 fHDigClusToT->Fill(tot);
1042
7b61cd9c 1043 }
74ea065c 1044
74ea065c 1045
1046 return 0;
1047}
1048//_________________________________________________________________________
1049void AliTOFtracker::UnloadClusters() {
1050 //--------------------------------------------------------------------
1051 //This function unloads TOF clusters
1052 //--------------------------------------------------------------------
7b61cd9c 1053 for (Int_t i=0; i<fN; i++) {
16a2e36a 1054//PH delete fClusters[i];
7b61cd9c 1055 fClusters[i] = 0x0;
74ea065c 1056 }
7b61cd9c 1057 fN=0;
74ea065c 1058}
1059
1060//_________________________________________________________________________
1061Int_t AliTOFtracker::FindClusterIndex(Double_t z) const {
1062 //--------------------------------------------------------------------
1063 // This function returns the index of the nearest cluster
1064 //--------------------------------------------------------------------
1065 if (fN==0) return 0;
1066 if (z <= fClusters[0]->GetZ()) return 0;
1067 if (z > fClusters[fN-1]->GetZ()) return fN;
1068 Int_t b=0, e=fN-1, m=(b+e)/2;
1069 for (; b<e; m=(b+e)/2) {
1070 if (z > fClusters[m]->GetZ()) b=m+1;
1071 else e=m;
1072 }
1073 return m;
1074}
d4754572 1075
1076//_________________________________________________________________________
1077Bool_t AliTOFtracker::GetTrackPoint(Int_t index, AliTrackPoint& p) const
1078{
1079 // Get track space point with index i
1080 // Coordinates are in the global system
1081 AliTOFcluster *cl = fClusters[index];
1082 Float_t xyz[3];
1083 xyz[0] = cl->GetR()*TMath::Cos(cl->GetPhi());
1084 xyz[1] = cl->GetR()*TMath::Sin(cl->GetPhi());
1085 xyz[2] = cl->GetZ();
468f26c6 1086 Float_t phiangle = (Int_t(cl->GetPhi()*TMath::RadToDeg()/20.)+0.5)*20.*TMath::DegToRad();
1087 Float_t sinphi = TMath::Sin(phiangle), cosphi = TMath::Cos(phiangle);
ba66add8 1088 Float_t tiltangle = AliTOFGeometry::GetAngles(cl->GetDetInd(1),cl->GetDetInd(2))*TMath::DegToRad();
468f26c6 1089 Float_t sinth = TMath::Sin(tiltangle), costh = TMath::Cos(tiltangle);
ba66add8 1090 Float_t sigmay2 = AliTOFGeometry::XPad()*AliTOFGeometry::XPad()/12.;
1091 Float_t sigmaz2 = AliTOFGeometry::ZPad()*AliTOFGeometry::ZPad()/12.;
468f26c6 1092 Float_t cov[6];
1093 cov[0] = sinphi*sinphi*sigmay2 + cosphi*cosphi*sinth*sinth*sigmaz2;
1094 cov[1] = -sinphi*cosphi*sigmay2 + sinphi*cosphi*sinth*sinth*sigmaz2;
1095 cov[2] = -cosphi*sinth*costh*sigmaz2;
1096 cov[3] = cosphi*cosphi*sigmay2 + sinphi*sinphi*sinth*sinth*sigmaz2;
1097 cov[4] = -sinphi*sinth*costh*sigmaz2;
1098 cov[5] = costh*costh*sigmaz2;
1099 p.SetXYZ(xyz[0],xyz[1],xyz[2],cov);
d4754572 1100
1101 // Detector numbering scheme
ba66add8 1102 Int_t nSector = AliTOFGeometry::NSectors();
1103 Int_t nPlate = AliTOFGeometry::NPlates();
1104 Int_t nStripA = AliTOFGeometry::NStripA();
1105 Int_t nStripB = AliTOFGeometry::NStripB();
1106 Int_t nStripC = AliTOFGeometry::NStripC();
d4754572 1107
1108 Int_t isector = cl->GetDetInd(0);
1109 if (isector >= nSector)
1110 AliError(Form("Wrong sector number in TOF (%d) !",isector));
1111 Int_t iplate = cl->GetDetInd(1);
1112 if (iplate >= nPlate)
1113 AliError(Form("Wrong plate number in TOF (%d) !",iplate));
1114 Int_t istrip = cl->GetDetInd(2);
1115
1116 Int_t stripOffset = 0;
1117 switch (iplate) {
1118 case 0:
1119 stripOffset = 0;
1120 break;
1121 case 1:
1122 stripOffset = nStripC;
1123 break;
1124 case 2:
1125 stripOffset = nStripC+nStripB;
1126 break;
1127 case 3:
1128 stripOffset = nStripC+nStripB+nStripA;
1129 break;
1130 case 4:
1131 stripOffset = nStripC+nStripB+nStripA+nStripB;
1132 break;
1133 default:
1134 AliError(Form("Wrong plate number in TOF (%d) !",iplate));
1135 break;
1136 };
1137
1138 Int_t idet = (2*(nStripC+nStripB)+nStripA)*isector +
1139 stripOffset +
1140 istrip;
ae079791 1141 UShort_t volid = AliGeomManager::LayerToVolUID(AliGeomManager::kTOF,idet);
d4754572 1142 p.SetVolumeID((UShort_t)volid);
1143 return kTRUE;
1144}
5664c6ed 1145//_________________________________________________________________________
1146void AliTOFtracker::InitCheckHists() {
1147
1148 //Init histos for Digits/Reco QA and Calibration
1149
1150
0366f10f 1151 TDirectory *dir = gDirectory;
1152 TFile *logFileTOF = 0;
1153
1154 TSeqCollection *list = gROOT->GetListOfFiles();
1155 int n = list->GetEntries();
1156 Bool_t isThere=kFALSE;
1157 for(int i=0; i<n; i++) {
1158 logFileTOF = (TFile*)list->At(i);
1159 if (strstr(logFileTOF->GetName(), "TOFQA.root")){
1160 isThere=kTRUE;
1161 break;
1162 }
1163 }
1164
1165 if(!isThere)logFileTOF = new TFile( "TOFQA.root","RECREATE");
1166 logFileTOF->cd();
1167
5664c6ed 1168 fCalTree = new TTree("CalTree", "Tree for TOF calibration");
1169 fCalTree->Branch("TOFchannelindex",&fIch,"iTOFch/I");
1170 fCalTree->Branch("ToT",&fToT,"TOFToT/F");
1171 fCalTree->Branch("TOFtime",&fTime,"TOFtime/F");
1172 fCalTree->Branch("PionExpTime",&fExpTimePi,"PiExpTime/F");
1173 fCalTree->Branch("KaonExpTime",&fExpTimeKa,"KaExpTime/F");
1174 fCalTree->Branch("ProtonExpTime",&fExpTimePr,"PrExpTime/F");
1175
1176 //Digits "QA"
1177 fHDigClusMap = new TH2F("TOFDig_ClusMap", "",182,0.5,182.5,864, 0.5,864.5);
1178 fHDigNClus = new TH1F("TOFDig_NClus", "",200,0.5,200.5);
1179 fHDigClusTime = new TH1F("TOFDig_ClusTime", "",2000,0.,200.);
1180 fHDigClusToT = new TH1F("TOFDig_ClusToT", "",500,0.,100);
1181
1182 //Reco "QA"
1183 fHRecNClus =new TH1F("TOFRec_NClusW", "",50,0.5,50.5);
1184 fHRecDist=new TH1F("TOFRec_Dist", "",50,0.5,10.5);
1185 fHRecSigYVsP=new TH2F("TOFDig_SigYVsP", "",40,0.,4.,100, 0.,5.);
1186 fHRecSigZVsP=new TH2F("TOFDig_SigZVsP", "",40,0.,4.,100, 0.,5.);
1187 fHRecSigYVsPWin=new TH2F("TOFDig_SigYVsPWin", "",40,0.,4.,100, 0.,50.);
1188 fHRecSigZVsPWin=new TH2F("TOFDig_SigZVsPWin", "",40,0.,4.,100, 0.,50.);
0366f10f 1189
1190 dir->cd();
1191
5664c6ed 1192}
1193
1194//_________________________________________________________________________
1195void AliTOFtracker::SaveCheckHists() {
1196
1197 //write histos for Digits/Reco QA and Calibration
1198
1199 TDirectory *dir = gDirectory;
5664c6ed 1200 TFile *logFileTOF = 0;
1201
1202 TSeqCollection *list = gROOT->GetListOfFiles();
d200609f 1203 int n = list->GetEntries();
5664c6ed 1204 Bool_t isThere=kFALSE;
d200609f 1205 for(int i=0; i<n; i++) {
5664c6ed 1206 logFileTOF = (TFile*)list->At(i);
1207 if (strstr(logFileTOF->GetName(), "TOFQA.root")){
1208 isThere=kTRUE;
1209 break;
1210 }
1211 }
1212
0366f10f 1213 if(!isThere) {
1214 AliError(Form("File TOFQA.root not found!! not wring histograms...."));
1215 return;
1216 }
5664c6ed 1217 logFileTOF->cd();
1218 fHDigClusMap->Write(fHDigClusMap->GetName(), TObject::kOverwrite);
1219 fHDigNClus->Write(fHDigNClus->GetName(), TObject::kOverwrite);
1220 fHDigClusTime->Write(fHDigClusTime->GetName(), TObject::kOverwrite);
1221 fHDigClusToT->Write(fHDigClusToT->GetName(), TObject::kOverwrite);
1222 fHRecNClus->Write(fHRecNClus->GetName(), TObject::kOverwrite);
1223 fHRecDist->Write(fHRecDist->GetName(), TObject::kOverwrite);
1224 fHRecSigYVsP->Write(fHRecSigYVsP->GetName(), TObject::kOverwrite);
1225 fHRecSigZVsP->Write(fHRecSigZVsP->GetName(), TObject::kOverwrite);
1226 fHRecSigYVsPWin->Write(fHRecSigYVsPWin->GetName(), TObject::kOverwrite);
1227 fHRecSigZVsPWin->Write(fHRecSigZVsPWin->GetName(), TObject::kOverwrite);
1228 fCalTree->Write(fCalTree->GetName(),TObject::kOverwrite);
1229 logFileTOF->Flush();
1230
1231 dir->cd();
1232 }
e0ddb533 1233//_________________________________________________________________________
f31a249f 1234Float_t AliTOFtracker::CorrectTimeWalk( Float_t dist, Float_t tof) const {
e0ddb533 1235
1236 //dummy, for the moment
1237 Float_t tofcorr=0.;
ba66add8 1238 if(dist<AliTOFGeometry::ZPad()*0.5){
e0ddb533 1239 tofcorr=tof;
1240 //place here the actual correction
1241 }else{
1242 tofcorr=tof;
1243 }
1244 return tofcorr;
1245}
1246//_________________________________________________________________________
128563f6 1247
1248void AliTOFtracker::FillClusterArray(TObjArray* arr) const
1249{
1250 //
1251 // Returns the TOF cluster array
1252 //
1253
1254 if (fN==0)
1255 arr = 0x0;
1256 else
1257 for (Int_t i=0; i<fN; ++i) arr->Add(fClusters[i]);
1258
1259}
ff826920 1260//_________________________________________________________________________
1261