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Code verbosity reduction according to bug 61394 requirement
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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#include <TSeqCollection.h>
38
39#include "AliESDtrack.h"
40#include "AliESDEvent.h"
41#include "AliLog.h"
42#include "AliTrackPointArray.h"
43#include "AliGeomManager.h"
44#include "AliCDBManager.h"
45
46#include "AliTOFRecoParam.h"
47#include "AliTOFReconstructor.h"
48#include "AliTOFcluster.h"
49#include "AliTOFGeometry.h"
50#include "AliTOFtrackerV1.h"
51#include "AliTOFtrack.h"
52#include "AliTOFpidESD.h"
53
54extern TROOT *gROOT;
55
56ClassImp(AliTOFtrackerV1)
57
58//_____________________________________________________________________________
59AliTOFtrackerV1::AliTOFtrackerV1():
60 fRecoParam(0x0),
61 fPid(0x0),
62 fN(0),
63 fNseeds(0),
64 fNseedsTOF(0),
65 fngoodmatch(0),
66 fnbadmatch(0),
67 fnunmatch(0),
68 fnmatch(0),
69 fTracks(new TClonesArray("AliTOFtrack")),
70 fSeeds(new TClonesArray("AliESDtrack")),
71 fHDigClusMap(0x0),
72 fHDigNClus(0x0),
73 fHDigClusTime(0x0),
74 fHDigClusToT(0x0),
75 fHRecNClus(0x0),
76 fHRecChi2(0x0),
77 fHRecDistZ(0x0),
78 fHRecSigYVsP(0x0),
79 fHRecSigZVsP(0x0),
80 fHRecSigYVsPWin(0x0),
81 fHRecSigZVsPWin(0x0)
82 {
83 //AliTOFtrackerV1 main Ctor
84
85 InitCheckHists();
86
87}
88//_____________________________________________________________________________
89AliTOFtrackerV1::~AliTOFtrackerV1() {
90 //
91 // Dtor
92 //
93
94 SaveCheckHists();
95
96 if(!(AliCDBManager::Instance()->GetCacheFlag())){
97 delete fRecoParam;
98 }
99 delete fPid;
100 delete fHDigClusMap;
101 delete fHDigNClus;
102 delete fHDigClusTime;
103 delete fHDigClusToT;
104 delete fHRecNClus;
105 delete fHRecChi2;
106 delete fHRecDistZ;
107 delete fHRecSigYVsP;
108 delete fHRecSigZVsP;
109 delete fHRecSigYVsPWin;
110 delete fHRecSigZVsPWin;
111 if (fTracks){
112 fTracks->Delete();
113 delete fTracks;
114 fTracks=0x0;
115 }
116 if (fSeeds){
117 fSeeds->Delete();
118 delete fSeeds;
119 fSeeds=0x0;
120 }
121}
122//_____________________________________________________________________________
123Int_t AliTOFtrackerV1::PropagateBack(AliESDEvent* event) {
124 //
125 // Gets seeds from ESD event and Match with TOF Clusters
126 //
127
128 // initialize RecoParam for current event
129 AliDebug(1,"Initializing params for TOF");
130
131 fRecoParam = AliTOFReconstructor::GetRecoParam(); // instantiate reco param from STEER...
132
133 if (fRecoParam == 0x0) {
134 AliFatal("No Reco Param found for TOF!!!");
135 }
136 //fRecoParam->Dump();
137 //if(fRecoParam->GetApplyPbPbCuts())fRecoParam=fRecoParam->GetPbPbparam();
138 //fRecoParam->PrintParameters();
139
140 Double_t parPID[2];
141 parPID[0]=fRecoParam->GetTimeResolution();
142 parPID[1]=fRecoParam->GetTimeNSigma();
143 fPid=new AliTOFpidESD(parPID);
144
145 //Initialise some counters
146
147 fNseeds=0;
148 fNseedsTOF=0;
149 fngoodmatch=0;
150 fnbadmatch=0;
151 fnunmatch=0;
152 fnmatch=0;
153
154 Int_t ntrk=event->GetNumberOfTracks();
155 fNseeds = ntrk;
156 TClonesArray &aESDTrack = *fSeeds;
157
158
159 //Load ESD tracks into a local Array of ESD Seeds
160
161 for (Int_t i=0; i<fNseeds; i++) {
162 AliESDtrack *t=event->GetTrack(i);
163 new(aESDTrack[i]) AliESDtrack(*t);
164 }
165
166 //Prepare ESD tracks candidates for TOF Matching
167 CollectESD();
168
169 //Matching Step
170 MatchTracks();
171
172 AliInfo(Form("Number of matched tracks = %d (good = %d, bad = %d)",fnmatch,fngoodmatch,fnbadmatch));
173
174 //Update the matched ESD tracks
175
176 for (Int_t i=0; i<ntrk; i++) {
177 AliESDtrack *t=event->GetTrack(i);
178 AliESDtrack *seed =(AliESDtrack*)fSeeds->UncheckedAt(i);
179
180 if ( (seed->GetStatus()&AliESDtrack::kTOFin)!=0 ) {
181 t->SetStatus(AliESDtrack::kTOFin);
182 //if(seed->GetTOFsignal()>0){
183 if ( (seed->GetStatus()&AliESDtrack::kTOFout)!=0 ) {
184 t->SetStatus(AliESDtrack::kTOFout);
185 t->SetTOFsignal(seed->GetTOFsignal());
186 t->SetTOFcluster(seed->GetTOFcluster());
187 t->SetTOFsignalToT(seed->GetTOFsignalToT());
188 t->SetTOFsignalRaw(seed->GetTOFsignalRaw());
189 t->SetTOFsignalDz(seed->GetTOFsignalDz());
190 t->SetTOFsignalDx(seed->GetTOFsignalDx());
191 t->SetTOFCalChannel(seed->GetTOFCalChannel());
192 Int_t tlab[3]; seed->GetTOFLabel(tlab);
193 t->SetTOFLabel(tlab);
194
195 Double_t alphaA = dynamic_cast<AliExternalTrackParam*>(t)->GetAlpha();
196 Double_t xA = dynamic_cast<AliExternalTrackParam*>(t)->GetX();
197 Double_t yA = dynamic_cast<AliExternalTrackParam*>(t)->GetY();
198 Double_t zA = dynamic_cast<AliExternalTrackParam*>(t)->GetZ();
199 Double_t p1A = dynamic_cast<AliExternalTrackParam*>(t)->GetSnp();
200 Double_t p2A = dynamic_cast<AliExternalTrackParam*>(t)->GetTgl();
201 Double_t p3A = dynamic_cast<AliExternalTrackParam*>(t)->GetSigned1Pt();
202 const Double_t *covA = dynamic_cast<AliExternalTrackParam*>(t)->GetCovariance();
203
204 // Make attention, please:
205 // AliESDtrack::fTOFInfo array does not be stored in the AliESDs.root file
206 // it is there only for a check during the reconstruction step.
207 Float_t info[10]={0.,0.,0.,0.,0.,0.,0.,0.,0.,0.};
208 seed->GetTOFInfo(info);
209 t->SetTOFInfo(info);
210 AliDebug(2,Form(" distance=%f; residual in the pad reference frame: dX=%f, dZ=%f", info[0],info[1],info[2]));
211
212 // Check done:
213 // by calling the AliESDtrack::UpdateTrackParams,
214 // the current track parameters are changed
215 // and it could cause refit problems.
216 // We need to update only the following track parameters:
217 // the track length and expected times.
218 // Removed AliESDtrack::UpdateTrackParams call
219 // Called AliESDtrack::SetIntegratedTimes(...) and
220 // AliESDtrack::SetIntegratedLength() routines.
221 /*
222 AliTOFtrack *track = new AliTOFtrack(*seed);
223 t->UpdateTrackParams(track,AliESDtrack::kTOFout); // to be checked - AdC
224 delete track;
225 Double_t time[10]; t->GetIntegratedTimes(time);
226 */
227
228 Double_t time[10]; seed->GetIntegratedTimes(time);
229 t->SetIntegratedTimes(time);
230
231 Double_t length = seed->GetIntegratedLength();
232 t->SetIntegratedLength(length);
233
234 Double_t alphaB = dynamic_cast<AliExternalTrackParam*>(t)->GetAlpha();
235 Double_t xB = dynamic_cast<AliExternalTrackParam*>(t)->GetX();
236 Double_t yB = dynamic_cast<AliExternalTrackParam*>(t)->GetY();
237 Double_t zB = dynamic_cast<AliExternalTrackParam*>(t)->GetZ();
238 Double_t p1B = dynamic_cast<AliExternalTrackParam*>(t)->GetSnp();
239 Double_t p2B = dynamic_cast<AliExternalTrackParam*>(t)->GetTgl();
240 Double_t p3B = dynamic_cast<AliExternalTrackParam*>(t)->GetSigned1Pt();
241 const Double_t *covB = dynamic_cast<AliExternalTrackParam*>(t)->GetCovariance();
242 AliDebug(2,"Track params -now(before)-:");
243 AliDebug(2,Form(" X: %f(%f), Y: %f(%f), Z: %f(%f) --- alpha: %f(%f)",
244 xB,xA,
245 yB,yA,
246 zB,zA,
247 alphaB,alphaA));
248 AliDebug(2,Form(" p1: %f(%f), p2: %f(%f), p3: %f(%f)",
249 p1B,p1A,
250 p2B,p2A,
251 p3B,p3A));
252 AliDebug(2,Form(" cov1: %f(%f), cov2: %f(%f), cov3: %f(%f)"
253 " cov4: %f(%f), cov5: %f(%f), cov6: %f(%f)"
254 " cov7: %f(%f), cov8: %f(%f), cov9: %f(%f)"
255 " cov10: %f(%f), cov11: %f(%f), cov12: %f(%f)"
256 " cov13: %f(%f), cov14: %f(%f), cov15: %f(%f)",
257 covB[0],covA[0],
258 covB[1],covA[1],
259 covB[2],covA[2],
260 covB[3],covA[3],
261 covB[4],covA[4],
262 covB[5],covA[5],
263 covB[6],covA[6],
264 covB[7],covA[7],
265 covB[8],covA[8],
266 covB[9],covA[9],
267 covB[10],covA[10],
268 covB[11],covA[11],
269 covB[12],covA[12],
270 covB[13],covA[13],
271 covB[14],covA[14]
272 ));
273 AliDebug(3,Form(" %6d %f %f %f %f % %6d %3d %f %f %f %f %f %f",
274 i,
275 t->GetTOFsignalRaw(),
276 t->GetTOFsignal(),
277 t->GetTOFsignalToT(),
278 t->GetTOFsignalDz(),
279 t->GetTOFsignalDx(),
280 t->GetTOFCalChannel(),
281 t->GetTOFcluster(),
282 t->GetIntegratedLength(),
283 time[0], time[1], time[2], time[3], time[4]
284 )
285 );
286 }
287 }
288 }
289
290 //Handle Time Zero information
291
292 Double_t timeZero=0.;
293 Double_t timeZeroMax=99999.;
294 Bool_t usetimeZero = fRecoParam->UseTimeZero();
295 Bool_t timeZeroFromT0 = fRecoParam->GetTimeZerofromT0();
296 Bool_t timeZeroFromTOF = fRecoParam->GetTimeZerofromTOF();
297
298 AliDebug(2,Form("Use Time Zero?: %d",usetimeZero));
299 AliDebug(2,Form("Time Zero from T0? : %d",timeZeroFromT0));
300 AliDebug(2,Form("Time Zero From TOF? : %d",timeZeroFromTOF));
301
302 if(usetimeZero){
303 if(timeZeroFromT0){
304 timeZero=GetTimeZerofromT0(event);
305 }
306 if(timeZeroFromTOF && (timeZero>timeZeroMax || !timeZeroFromT0)){
307 timeZero=GetTimeZerofromTOF(event);
308 }
309 }
310 AliDebug(2,Form("time Zero used in PID: %f",timeZero));
311 //Make TOF PID
312 fPid->MakePID(event,timeZero);
313
314 fSeeds->Clear();
315 fTracks->Clear();
316 return 0;
317
318}
319//_________________________________________________________________________
320void AliTOFtrackerV1::CollectESD() {
321 //prepare the set of ESD tracks to be matched to clusters in TOF
322
323 Int_t seedsTOF1=0;
324 Int_t seedsTOF2=0;
325
326 TClonesArray &aTOFTrack = *fTracks;
327 for (Int_t i=0; i<fNseeds; i++) {
328
329 AliESDtrack *t =(AliESDtrack*)fSeeds->UncheckedAt(i);
330 if ((t->GetStatus()&AliESDtrack::kTPCout)==0)continue;
331
332 AliTOFtrack *track = new AliTOFtrack(*t); // New
333 Float_t x = (Float_t)track->GetX(); //New
334
335 // TRD 'good' tracks, already propagated at 371 cm
336 if ( ( (t->GetStatus()&AliESDtrack::kTRDout)!=0 ) &&
337 ( x >= AliTOFGeometry::Rmin() ) ) {
338 if ( track->PropagateToInnerTOF() ) {
339
340 AliDebug(1,Form(" TRD propagated track till rho = %fcm."
341 " And then the track has been propagated till rho = %fcm.",
342 x, (Float_t)track->GetX()));
343
344 track->SetSeedIndex(i);
345 t->UpdateTrackParams(track,AliESDtrack::kTOFin);
346 new(aTOFTrack[fNseedsTOF]) AliTOFtrack(*track);
347 fNseedsTOF++;
348 seedsTOF1++;
349 }
350 delete track;
351 }
352
353 // Propagate the rest of TPCbp
354 else {
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 seedsTOF2++;
366 }
367 delete track;
368 }
369 }
370
371 AliInfo(Form("Number of TOF seeds = %d (Type 1 = %d, Type 2 = %d)",fNseedsTOF,seedsTOF1,seedsTOF2));
372
373 // Sort according uncertainties on track position
374 fTracks->Sort();
375
376}
377//_________________________________________________________________________
378void AliTOFtrackerV1::MatchTracks( ){
379 //
380 //Match ESD tracks to clusters in TOF
381 //
382
383
384 // Parameters regulating the reconstruction
385 Float_t dY=AliTOFGeometry::XPad();
386 Float_t dZ=AliTOFGeometry::ZPad();
387
388 const Float_t kTimeOffset = 32.; // time offset for tracking algorithm [ps]
389
390 const Int_t kncmax = 100;
391 Float_t sensRadius = fRecoParam->GetSensRadius();
392 Float_t scaleFact = fRecoParam->GetWindowScaleFact();
393 Float_t dyMax=fRecoParam->GetWindowSizeMaxY();
394 Float_t dzMax=fRecoParam->GetWindowSizeMaxZ();
395 Double_t maxChi2=fRecoParam->GetMaxChi2();
396 Bool_t timeWalkCorr = fRecoParam->GetTimeWalkCorr();
397 AliDebug(1,"++++++++++++++TOF Reconstruction Parameters:++++++++++++ \n");
398 AliDebug(1,Form("TOF sens radius: %f",sensRadius));
399 AliDebug(1,Form("TOF Window scale factor: %f",scaleFact));
400 AliDebug(1,Form("TOF Window max dy: %f",dyMax));
401 AliDebug(1,Form("TOF Window max dz: %f",dzMax));
402 AliDebug(1,Form("TOF Max Chi2: %f",maxChi2));
403 AliDebug(1,Form("Time Walk Correction? : %d",timeWalkCorr));
404
405
406 //The matching loop
407 for (Int_t iseed=0; iseed<fNseedsTOF; iseed++) {
408
409 AliTOFtrack *track =(AliTOFtrack*)fTracks->UncheckedAt(iseed);
410 AliESDtrack *t =(AliESDtrack*)fSeeds->UncheckedAt(track->GetSeedIndex());
411 //if ( t->GetTOFsignal()>0. ) continue;
412 if ( (t->GetStatus()&AliESDtrack::kTOFout)!=0 ) continue;
413 AliTOFtrack *trackTOFin =new AliTOFtrack(*track);
414
415 // Determine a window around the track
416 Double_t x,par[5]; trackTOFin->GetExternalParameters(x,par);
417 Double_t cov[15]; trackTOFin->GetExternalCovariance(cov);
418
419 if (cov[0]<0. || cov[2]<0.) {
420 AliWarning(Form("Very strange track (%d)! At least one of its covariance matrix diagonal elements is negative!",iseed));
421 //delete trackTOFin;
422 //continue;
423 }
424
425 Double_t z = par[1];
426 Double_t dz = scaleFact*3.*TMath::Sqrt(TMath::Abs(cov[2])+dZ*dZ/12.);
427 Double_t dphi = scaleFact*3.*TMath::Sqrt(TMath::Abs(cov[0])+dY*dY/12.)/sensRadius;
428
429 Double_t phi=TMath::ATan2(par[0],x) + trackTOFin->GetAlpha();
430 if (phi<-TMath::Pi())phi+=2*TMath::Pi();
431 if (phi>=TMath::Pi())phi-=2*TMath::Pi();
432
433 //upper limit on window's size.
434 if(dz> dzMax) dz=dzMax;
435 if(dphi*sensRadius> dyMax) dphi=dyMax/sensRadius;
436
437 // find the clusters inside the selected window
438 Int_t nc=0;
439 AliTOFcluster *clusters[kncmax]; // pointers to the clusters in the window
440 Int_t index[kncmax];//to keep track of the cluster index
441 for (Int_t k=FindClusterIndex(z-dz); k<fN; k++) {
442 AliTOFcluster *c=fClusters[k];
443 // if(nc>kncmax)break; /* R+ fix (buffer overflow) */
444 if (nc>=kncmax) {
445 AliWarning("No more matchable clusters can be stored! Please, increase the corresponding vectors size.");
446 break; /* R+ fix (buffer overflow protection) */
447 }
448 if(c->GetZ() > z+dz) break;
449 if(c->IsUsed()) continue;
450 if(!c->GetStatus()) {
451 AliDebug(1,"Cluster in channel declared bad!");
452 continue; // skip bad channels as declared in OCDB
453 }
454 Float_t xyz[3]; c->GetGlobalXYZ(xyz);
455 Double_t clPhi=TMath::ATan2(xyz[1],xyz[0]);
456 Double_t dph=TMath::Abs(clPhi-phi);
457 if (dph>TMath::Pi()) dph-=2.*TMath::Pi();
458 if (TMath::Abs(dph)>dphi) continue;
459 clusters[nc]=c;
460 index[nc] = k;
461 nc++;
462 }
463
464 AliDebug(1,Form(" Number of matchable TOF clusters for the track number %d: %d",iseed,nc));
465
466 //start propagation: go to the average TOF pad middle plane at ~379.5 cm
467
468 Float_t xTOF = sensRadius;
469 Double_t ymax = xTOF*TMath::Tan(0.5*AliTOFGeometry::GetAlpha());
470 Bool_t skip = kFALSE;
471 Double_t ysect = trackTOFin->GetYat(xTOF,skip);
472 if (skip) break;
473 if (ysect > ymax) {
474 if (!trackTOFin->Rotate(AliTOFGeometry::GetAlpha())) {
475 break;
476 }
477 } else if (ysect <-ymax) {
478 if (!trackTOFin->Rotate(-AliTOFGeometry::GetAlpha())) {
479 break;
480 }
481 }
482 if(!trackTOFin->PropagateTo(xTOF)) {
483 break;
484 }
485
486
487 AliTOFcluster *bestCluster=0;
488 Double_t bestChi2=maxChi2;
489 Int_t idclus=-1;
490 // for (Int_t i=0; i<nc; i++){ /* R+ fix (unsafe) */
491 for (Int_t i=0; i<nc && i<kncmax; i++){ /* R+ fix (buffer overflow protection) */
492 AliTOFcluster *c=clusters[i]; // one of the preselected clusters
493 Double_t chi2=trackTOFin->GetPredictedChi2((AliCluster3D*)c);
494 if (chi2 >= bestChi2) continue;
495 bestChi2=chi2;
496 bestCluster=c;
497 idclus=index[i];
498 }
499
500 if (!bestCluster) { // no matching , go to the next track
501 fnunmatch++;
502 delete trackTOFin;
503 continue;
504 }
505
506 fnmatch++;
507
508 AliDebug(2, Form("%7i %7i %10i %10i %10i %10i %7i",
509 iseed,
510 fnmatch-1,
511 TMath::Abs(trackTOFin->GetLabel()),
512 bestCluster->GetLabel(0),
513 bestCluster->GetLabel(1),
514 bestCluster->GetLabel(2),
515 idclus)); // AdC
516
517 bestCluster->Use();
518 if (
519 (bestCluster->GetLabel(0)==TMath::Abs(trackTOFin->GetLabel()))
520 ||
521 (bestCluster->GetLabel(1)==TMath::Abs(trackTOFin->GetLabel()))
522 ||
523 (bestCluster->GetLabel(2)==TMath::Abs(trackTOFin->GetLabel()))
524 ) {
525 fngoodmatch++;
526 AliDebug(2,Form(" track label good %5d",trackTOFin->GetLabel()));
527
528 }
529 else{
530 fnbadmatch++;
531 AliDebug(2,Form(" track label bad %5d",trackTOFin->GetLabel()));
532 }
533
534 //Propagate the track to the best matched cluster
535 trackTOFin->PropagateTo(bestCluster);
536
537 // Fill the track residual histograms.
538 FillResiduals(trackTOFin,bestCluster,kFALSE);
539
540 //now take the local distance in Z from the pad center for time walk correction
541 Float_t tiltangle = AliTOFGeometry::GetAngles(bestCluster->GetDetInd(1),bestCluster->GetDetInd(2))*TMath::DegToRad();
542 Double_t dzTW=trackTOFin->GetZ()-bestCluster->GetZ(); // in cm - in the ALICE RF -
543 dzTW/=TMath::Cos(tiltangle); // from ALICE/tracking RF to pad RF (1)
544 dzTW=-dzTW; // from ALICE/tracking RF to pad RF (2)
545 if (tiltangle!=0.) AliDebug(2,Form(" rho_track = %f --- rho_cluster = %f ",trackTOFin->GetX(),bestCluster->GetX()));
546
547 //update the ESD track and delete the TOFtrack
548 t->UpdateTrackParams(trackTOFin,AliESDtrack::kTOFout);
549
550 // Store quantities to be used in the TOF Calibration
551 Float_t tToT=AliTOFGeometry::ToTBinWidth()*bestCluster->GetToT()*1E-3; // in ns
552 t->SetTOFsignalToT(tToT);
553 Float_t rawTime=AliTOFGeometry::TdcBinWidth()*bestCluster->GetTDCRAW()+kTimeOffset; // RAW time,in ps
554 t->SetTOFsignalRaw(rawTime);
555 t->SetTOFsignalDz(dzTW);
556
557 Float_t deltaY = trackTOFin->GetY()-bestCluster->GetY();
558 t->SetTOFsignalDx(deltaY);
559
560 Float_t distR = (trackTOFin->GetX()-bestCluster->GetX())*
561 (trackTOFin->GetX()-bestCluster->GetX());
562 distR+=deltaY*deltaY;
563 distR+=dzTW*dzTW;
564 distR = TMath::Sqrt(distR);
565 Float_t info[10] = {distR, deltaY, dzTW,
566 0.,0.,0.,0.,0.,0.,0.};
567 t->SetTOFInfo(info);
568
569 Int_t ind[5];
570 ind[0]=bestCluster->GetDetInd(0);
571 ind[1]=bestCluster->GetDetInd(1);
572 ind[2]=bestCluster->GetDetInd(2);
573 ind[3]=bestCluster->GetDetInd(3);
574 ind[4]=bestCluster->GetDetInd(4);
575 Int_t calindex = AliTOFGeometry::GetIndex(ind);
576 t->SetTOFCalChannel(calindex);
577
578 // keep track of the track labels in the matched cluster
579 Int_t tlab[3];
580 tlab[0]=bestCluster->GetLabel(0);
581 tlab[1]=bestCluster->GetLabel(1);
582 tlab[2]=bestCluster->GetLabel(2);
583 AliDebug(2,Form(" tdc time of the matched track %6d = ",bestCluster->GetTDC()));
584 Double_t tof=AliTOFGeometry::TdcBinWidth()*bestCluster->GetTDC()+kTimeOffset; // in ps
585 AliDebug(2,Form(" tof time of the matched track: %f = ",tof));
586 Double_t tofcorr=tof;
587 if(timeWalkCorr)tofcorr=CorrectTimeWalk(dzTW,tof);
588 AliDebug(2,Form(" tof time of the matched track, after TW corr: %f = ",tofcorr));
589 //Set TOF time signal and pointer to the matched cluster
590 t->SetTOFsignal(tofcorr);
591 t->SetTOFcluster(idclus); // pointing to the recPoints tree
592 t->SetTOFLabel(tlab);
593
594 AliDebug(2,Form(" Setting TOF raw time: %f z distance: %f corrected time: %f",rawTime,dzTW,tofcorr));
595
596 Double_t mom=t->GetP();
597 AliDebug(2,Form(" Momentum for track %d -> %f", iseed,mom));
598 // Fill Reco-QA histos for Reconstruction
599 fHRecNClus->Fill(nc);
600 fHRecChi2->Fill(bestChi2);
601 fHRecDistZ->Fill(dzTW);
602 fHRecSigYVsP->Fill(mom,TMath::Sqrt(cov[0]));
603 fHRecSigZVsP->Fill(mom,TMath::Sqrt(cov[2]));
604 fHRecSigYVsPWin->Fill(mom,dphi*sensRadius);
605 fHRecSigZVsPWin->Fill(mom,dz);
606
607 // Fill Tree for on-the-fly offline Calibration
608 // no longer there - all info is in the ESDs now
609
610 delete trackTOFin;
611 }
612
613}
614//_________________________________________________________________________
615Int_t AliTOFtrackerV1::LoadClusters(TTree *cTree) {
616 //--------------------------------------------------------------------
617 //This function loads the TOF clusters
618 //--------------------------------------------------------------------
619
620 Int_t npadX = AliTOFGeometry::NpadX();
621 Int_t npadZ = AliTOFGeometry::NpadZ();
622 Int_t nStripA = AliTOFGeometry::NStripA();
623 Int_t nStripB = AliTOFGeometry::NStripB();
624 Int_t nStripC = AliTOFGeometry::NStripC();
625
626 TBranch *branch=cTree->GetBranch("TOF");
627 if (!branch) {
628 AliError("can't get the branch with the TOF clusters !");
629 return 1;
630 }
631
632 static TClonesArray dummy("AliTOFcluster",10000);
633 dummy.Clear();
634 TClonesArray *clusters=&dummy;
635 branch->SetAddress(&clusters);
636
637 cTree->GetEvent(0);
638 Int_t nc=clusters->GetEntriesFast();
639 fHDigNClus->Fill(nc);
640
641 AliInfo(Form("Number of clusters: %d",nc));
642
643 for (Int_t i=0; i<nc; i++) {
644 AliTOFcluster *c=(AliTOFcluster*)clusters->UncheckedAt(i);
645//PH fClusters[i]=new AliTOFcluster(*c); fN++;
646 fClusters[i]=c; fN++;
647
648 // Fill Digits QA histos
649
650 Int_t isector = c->GetDetInd(0);
651 Int_t iplate = c->GetDetInd(1);
652 Int_t istrip = c->GetDetInd(2);
653 Int_t ipadX = c->GetDetInd(4);
654 Int_t ipadZ = c->GetDetInd(3);
655
656 Float_t time =(AliTOFGeometry::TdcBinWidth()*c->GetTDC())*1E-3; // in ns
657 Float_t tot = (AliTOFGeometry::TdcBinWidth()*c->GetToT())*1E-3;//in ns
658
659 Int_t stripOffset = 0;
660 switch (iplate) {
661 case 0:
662 stripOffset = 0;
663 break;
664 case 1:
665 stripOffset = nStripC;
666 break;
667 case 2:
668 stripOffset = nStripC+nStripB;
669 break;
670 case 3:
671 stripOffset = nStripC+nStripB+nStripA;
672 break;
673 case 4:
674 stripOffset = nStripC+nStripB+nStripA+nStripB;
675 break;
676 default:
677 AliError(Form("Wrong plate number in TOF (%d) !",iplate));
678 break;
679 };
680 Int_t zindex=npadZ*(istrip+stripOffset)+(ipadZ+1);
681 Int_t phiindex=npadX*isector+ipadX+1;
682 fHDigClusMap->Fill(zindex,phiindex);
683 fHDigClusTime->Fill(time);
684 fHDigClusToT->Fill(tot);
685 }
686
687
688 return 0;
689}
690//_________________________________________________________________________
691void AliTOFtrackerV1::UnloadClusters() {
692 //--------------------------------------------------------------------
693 //This function unloads TOF clusters
694 //--------------------------------------------------------------------
695 for (Int_t i=0; i<fN; i++) {
696//PH delete fClusters[i];
697 fClusters[i] = 0x0;
698 }
699 fN=0;
700}
701
702//_________________________________________________________________________
703Int_t AliTOFtrackerV1::FindClusterIndex(Double_t z) const {
704 //--------------------------------------------------------------------
705 // This function returns the index of the nearest cluster
706 //--------------------------------------------------------------------
707 //MOD
708 //Here we need to get the Z in the tracking system
709
710 if (fN==0) return 0;
711 if (z <= fClusters[0]->GetZ()) return 0;
712 if (z > fClusters[fN-1]->GetZ()) return fN;
713 Int_t b=0, e=fN-1, m=(b+e)/2;
714 for (; b<e; m=(b+e)/2) {
715 if (z > fClusters[m]->GetZ()) b=m+1;
716 else e=m;
717 }
718 return m;
719}
720
721//_________________________________________________________________________
722Bool_t AliTOFtrackerV1::GetTrackPoint(Int_t index, AliTrackPoint& p) const
723{
724 // Get track space point with index i
725 // Coordinates are in the global system
726 AliTOFcluster *cl = fClusters[index];
727 Float_t xyz[3];
728 cl->GetGlobalXYZ(xyz);
729 Float_t phi=TMath::ATan2(xyz[1],xyz[0]);
730 Float_t phiangle = (Int_t(phi*TMath::RadToDeg()/20.)+0.5)*20.*TMath::DegToRad();
731 Float_t sinphi = TMath::Sin(phiangle), cosphi = TMath::Cos(phiangle);
732 Float_t tiltangle = AliTOFGeometry::GetAngles(cl->GetDetInd(1),cl->GetDetInd(2))*TMath::DegToRad();
733 Float_t sinth = TMath::Sin(tiltangle), costh = TMath::Cos(tiltangle);
734 Float_t sigmay2 = AliTOFGeometry::XPad()*AliTOFGeometry::XPad()/12.;
735 Float_t sigmaz2 = AliTOFGeometry::ZPad()*AliTOFGeometry::ZPad()/12.;
736 Float_t cov[6];
737 cov[0] = sinphi*sinphi*sigmay2 + cosphi*cosphi*sinth*sinth*sigmaz2;
738 cov[1] = -sinphi*cosphi*sigmay2 + sinphi*cosphi*sinth*sinth*sigmaz2;
739 cov[2] = -cosphi*sinth*costh*sigmaz2;
740 cov[3] = cosphi*cosphi*sigmay2 + sinphi*sinphi*sinth*sinth*sigmaz2;
741 cov[4] = -sinphi*sinth*costh*sigmaz2;
742 cov[5] = costh*costh*sigmaz2;
743 p.SetXYZ(xyz[0],xyz[1],xyz[2],cov);
744
745 // Detector numbering scheme
746 Int_t nSector = AliTOFGeometry::NSectors();
747 Int_t nPlate = AliTOFGeometry::NPlates();
748 Int_t nStripA = AliTOFGeometry::NStripA();
749 Int_t nStripB = AliTOFGeometry::NStripB();
750 Int_t nStripC = AliTOFGeometry::NStripC();
751
752 Int_t isector = cl->GetDetInd(0);
753 if (isector >= nSector)
754 AliError(Form("Wrong sector number in TOF (%d) !",isector));
755 Int_t iplate = cl->GetDetInd(1);
756 if (iplate >= nPlate)
757 AliError(Form("Wrong plate number in TOF (%d) !",iplate));
758 Int_t istrip = cl->GetDetInd(2);
759
760 Int_t stripOffset = 0;
761 switch (iplate) {
762 case 0:
763 stripOffset = 0;
764 break;
765 case 1:
766 stripOffset = nStripC;
767 break;
768 case 2:
769 stripOffset = nStripC+nStripB;
770 break;
771 case 3:
772 stripOffset = nStripC+nStripB+nStripA;
773 break;
774 case 4:
775 stripOffset = nStripC+nStripB+nStripA+nStripB;
776 break;
777 default:
778 AliError(Form("Wrong plate number in TOF (%d) !",iplate));
779 break;
780 };
781
782 Int_t idet = (2*(nStripC+nStripB)+nStripA)*isector +
783 stripOffset +
784 istrip;
785 UShort_t volid = AliGeomManager::LayerToVolUID(AliGeomManager::kTOF,idet);
786 p.SetVolumeID((UShort_t)volid);
787 return kTRUE;
788}
789//_________________________________________________________________________
790void AliTOFtrackerV1::InitCheckHists() {
791
792 //Init histos for Digits/Reco QA and Calibration
793
794 TDirectory *dir = gDirectory;
795 TFile *logFileTOF = 0;
796
797 TSeqCollection *list = gROOT->GetListOfFiles();
798 int n = list->GetEntries();
799 Bool_t isThere=kFALSE;
800 for(int i=0; i<n; i++) {
801 logFileTOF = (TFile*)list->At(i);
802 if (strstr(logFileTOF->GetName(), "TOFQA.root")){
803 isThere=kTRUE;
804 break;
805 }
806 }
807
808 if(!isThere)logFileTOF = new TFile( "TOFQA.root","RECREATE");
809 logFileTOF->cd();
810
811 //Digits "QA"
812 fHDigClusMap = new TH2F("TOFDig_ClusMap", "",182,0.5,182.5,864, 0.5,864.5);
813 fHDigNClus = new TH1F("TOFDig_NClus", "",200,0.5,200.5);
814 fHDigClusTime = new TH1F("TOFDig_ClusTime", "",2000,0.,200.);
815 fHDigClusToT = new TH1F("TOFDig_ClusToT", "",500,0.,100);
816
817 //Reco "QA"
818 fHRecNClus =new TH1F("TOFRec_NClusW", "",50,0.5,50.5);
819 fHRecDistZ=new TH1F("TOFRec_DistZ", "",50,0.5,10.5);
820 fHRecChi2=new TH1F("TOFRec_Chi2", "",100,0.,10.);
821 fHRecSigYVsP=new TH2F("TOFDig_SigYVsP", "",40,0.,4.,100, 0.,5.);
822 fHRecSigZVsP=new TH2F("TOFDig_SigZVsP", "",40,0.,4.,100, 0.,5.);
823 fHRecSigYVsPWin=new TH2F("TOFDig_SigYVsPWin", "",40,0.,4.,100, 0.,50.);
824 fHRecSigZVsPWin=new TH2F("TOFDig_SigZVsPWin", "",40,0.,4.,100, 0.,50.);
825
826 dir->cd();
827
828}
829
830//_________________________________________________________________________
831void AliTOFtrackerV1::SaveCheckHists() {
832
833 //write histos for Digits/Reco QA and Calibration
834
835 TDirectory *dir = gDirectory;
836 TFile *logFile = 0;
837 TFile *logFileTOF = 0;
838
839 TSeqCollection *list = gROOT->GetListOfFiles();
840 int n = list->GetEntries();
841 for(int i=0; i<n; i++) {
842 logFile = (TFile*)list->At(i);
843 if (strstr(logFile->GetName(), "AliESDs.root")) break;
844 }
845
846 Bool_t isThere=kFALSE;
847 for(int i=0; i<n; i++) {
848 logFileTOF = (TFile*)list->At(i);
849 if (strstr(logFileTOF->GetName(), "TOFQA.root")){
850 isThere=kTRUE;
851 break;
852 }
853 }
854
855 if(!isThere) {
856 AliError(Form("File TOFQA.root not found!! not wring histograms...."));
857 return;
858 }
859 logFile->cd();
860 fHDigClusMap->Write(fHDigClusMap->GetName(), TObject::kOverwrite);
861 fHDigNClus->Write(fHDigNClus->GetName(), TObject::kOverwrite);
862 fHDigClusTime->Write(fHDigClusTime->GetName(), TObject::kOverwrite);
863 fHDigClusToT->Write(fHDigClusToT->GetName(), TObject::kOverwrite);
864 fHRecNClus->Write(fHRecNClus->GetName(), TObject::kOverwrite);
865 fHRecChi2->Write(fHRecChi2->GetName(), TObject::kOverwrite);
866 fHRecDistZ->Write(fHRecDistZ->GetName(), TObject::kOverwrite);
867 fHRecSigYVsP->Write(fHRecSigYVsP->GetName(), TObject::kOverwrite);
868 fHRecSigZVsP->Write(fHRecSigZVsP->GetName(), TObject::kOverwrite);
869 fHRecSigYVsPWin->Write(fHRecSigYVsPWin->GetName(), TObject::kOverwrite);
870 fHRecSigZVsPWin->Write(fHRecSigZVsPWin->GetName(), TObject::kOverwrite);
871 logFile->Flush();
872
873 dir->cd();
874
875 }
876//_________________________________________________________________________
877Float_t AliTOFtrackerV1::CorrectTimeWalk( Float_t dist, Float_t tof) {
878
879 //dummy, for the moment
880 Float_t tofcorr=0.;
881 if(dist<AliTOFGeometry::ZPad()*0.5){
882 tofcorr=tof;
883 //place here the actual correction
884 }else{
885 tofcorr=tof;
886 }
887 return tofcorr;
888}
889//_________________________________________________________________________
890Float_t AliTOFtrackerV1::GetTimeZerofromT0(AliESDEvent *event) const {
891
892 //Returns TimeZero as measured by T0 detector
893
894 return event->GetT0();
895}
896//_________________________________________________________________________
897Float_t AliTOFtrackerV1::GetTimeZerofromTOF(AliESDEvent * /*event*/) const {
898
899 //dummy, for the moment. T0 algorithm using tracks on TOF
900 {
901 //place T0 algo here...
902 }
903 return 0.;
904}
905//_________________________________________________________________________
906
907void AliTOFtrackerV1::FillClusterArray(TObjArray* arr) const
908{
909 //
910 // Returns the TOF cluster array
911 //
912
913 if (fN==0)
914 arr = 0x0;
915 else
916 for (Int_t i=0; i<fN; ++i) arr->Add(fClusters[i]);
917
918}