1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
16 //--------------------------------------------------------------------//
18 // AliTOFtrackerV1 Class //
19 // Task: Perform association of the ESD tracks to TOF Clusters //
20 // and Update ESD track with associated TOF Cluster parameters //
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 //
27 //--------------------------------------------------------------------//
32 #include <TClonesArray.h>
38 #include "AliAlignObj.h"
39 #include "AliESDtrack.h"
40 #include "AliESDEvent.h"
42 #include "AliTrackPointArray.h"
44 #include "AliTOFcalib.h"
45 #include "AliTOFRecoParam.h"
46 #include "AliTOFcluster.h"
47 #include "AliTOFGeometryV5.h"
48 #include "AliTOFtrackerV1.h"
49 #include "AliTOFtrack.h"
53 ClassImp(AliTOFtrackerV1)
55 //_____________________________________________________________________________
56 AliTOFtrackerV1::AliTOFtrackerV1():
81 //AliTOFtrackerV1 main Ctor
83 // Getting the geometry
84 fGeom=new AliTOFGeometryV5();
85 // Read the reconstruction parameters from the OCDB
86 AliTOFcalib *calib = new AliTOFcalib(fGeom);
87 fRecoParam = (AliTOFRecoParam*)calib->ReadRecParFromCDB("TOF/Calib",-1);
88 if(fRecoParam->GetApplyPbPbCuts())fRecoParam=fRecoParam->GetPbPbparam();
91 parPID[0]=fRecoParam->GetTimeResolution();
92 parPID[1]=fRecoParam->GetTimeNSigma();
93 fPid=new AliTOFpidESD(parPID);
97 //_____________________________________________________________________________
98 AliTOFtrackerV1::AliTOFtrackerV1(const AliTOFtrackerV1 &t):
121 fHRecSigYVsPWin(0x0),
124 //AliTOFtrackerV1 copy Ctor
128 fNseedsTOF=t.fNseedsTOF;
129 fngoodmatch=t.fngoodmatch;
130 fnbadmatch=t.fnbadmatch;
131 fnunmatch=t.fnunmatch;
133 fRecoParam=t.fRecoParam;
141 //_____________________________________________________________________________
142 AliTOFtrackerV1& AliTOFtrackerV1::operator=(const AliTOFtrackerV1 &t)
144 //AliTOFtrackerV1 assignment operator
146 this->fNseeds=t.fNseeds;
147 this->fNseedsTOF=t.fNseedsTOF;
148 this->fngoodmatch=t.fngoodmatch;
149 this->fnbadmatch=t.fnbadmatch;
150 this->fnunmatch=t.fnunmatch;
151 this->fnmatch=t.fnmatch;
152 this->fRecoParam = t.fRecoParam;
153 this->fGeom = t.fGeom;
155 this->fSeeds=t.fSeeds;
156 this->fTracks=t.fTracks;
161 //_____________________________________________________________________________
162 AliTOFtrackerV1::~AliTOFtrackerV1() {
174 delete fHDigClusTime;
181 delete fHRecSigYVsPWin;
182 delete fHRecSigZVsPWin;
184 //_____________________________________________________________________________
185 Int_t AliTOFtrackerV1::PropagateBack(AliESDEvent* event) {
187 // Gets seeds from ESD event and Match with TOF Clusters
191 //Initialise some counters
200 Int_t ntrk=event->GetNumberOfTracks();
202 fSeeds= new TClonesArray("AliESDtrack",ntrk);
203 TClonesArray &aESDTrack = *fSeeds;
206 //Load ESD tracks into a local Array of ESD Seeds
208 for (Int_t i=0; i<fNseeds; i++) {
209 AliESDtrack *t=event->GetTrack(i);
210 new(aESDTrack[i]) AliESDtrack(*t);
213 //Prepare ESD tracks candidates for TOF Matching
219 AliInfo(Form("Number of matched tracks: %d",fnmatch));
220 AliInfo(Form("Number of good matched tracks: %d",fngoodmatch));
221 AliInfo(Form("Number of bad matched tracks: %d",fnbadmatch));
223 //Update the matched ESD tracks
225 for (Int_t i=0; i<ntrk; i++) {
226 AliESDtrack *t=event->GetTrack(i);
227 AliESDtrack *seed =(AliESDtrack*)fSeeds->UncheckedAt(i);
228 if(seed->GetTOFsignal()>0){
229 t->SetTOFsignal(seed->GetTOFsignal());
230 t->SetTOFcluster(seed->GetTOFcluster());
231 t->SetTOFsignalToT(seed->GetTOFsignalToT());
232 t->SetTOFsignalRaw(seed->GetTOFsignalRaw());
233 t->SetTOFsignalDz(seed->GetTOFsignalDz());
234 t->SetTOFCalChannel(seed->GetTOFCalChannel());
235 Int_t tlab[3]; seed->GetTOFLabel(tlab);
236 t->SetTOFLabel(tlab);
237 AliTOFtrack *track = new AliTOFtrack(*seed);
238 t->UpdateTrackParams(track,AliESDtrack::kTOFout);
243 //Handle Time Zero information
245 Double_t timeZero=0.;
246 Double_t timeZeroMax=99999.;
247 Bool_t usetimeZero = fRecoParam->UseTimeZero();
248 Bool_t timeZeroFromT0 = fRecoParam->GetTimeZerofromT0();
249 Bool_t timeZeroFromTOF = fRecoParam->GetTimeZerofromTOF();
251 AliDebug(1,Form("Use Time Zero?: %d",usetimeZero));
252 AliDebug(1,Form("Time Zero from T0? : %d",timeZeroFromT0));
253 AliDebug(1,Form("Time Zero From TOF? : %d",timeZeroFromTOF));
257 timeZero=GetTimeZerofromT0(event);
259 if(timeZeroFromTOF && (timeZero>timeZeroMax || !timeZeroFromT0)){
260 timeZero=GetTimeZerofromTOF(event);
263 AliDebug(2,Form("time Zero used in PID: %f",timeZero));
265 fPid->MakePID(event,timeZero);
280 //_________________________________________________________________________
281 void AliTOFtrackerV1::CollectESD() {
282 //prepare the set of ESD tracks to be matched to clusters in TOF
287 fTracks= new TClonesArray("AliTOFtrack");
288 TClonesArray &aTOFTrack = *fTracks;
289 for (Int_t i=0; i<fNseeds; i++) {
291 AliESDtrack *t =(AliESDtrack*)fSeeds->UncheckedAt(i);
292 if ((t->GetStatus()&AliESDtrack::kTPCout)==0)continue;
294 // TRD 'good' tracks, already propagated at 371 cm
296 AliTOFtrack *track = new AliTOFtrack(*t); // New
297 Double_t x = track->GetX(); //New
299 if (((t->GetStatus()&AliESDtrack::kTRDout)!=0 ) &&
300 ( x >= fGeom->RinTOF()) ){
301 track->SetSeedIndex(i);
302 t->UpdateTrackParams(track,AliESDtrack::kTOFout);
303 new(aTOFTrack[fNseedsTOF]) AliTOFtrack(*track);
309 // Propagate the rest of TPCbp
312 if(track->PropagateToInnerTOF()){
313 track->SetSeedIndex(i);
314 t->UpdateTrackParams(track,AliESDtrack::kTOFout);
315 new(aTOFTrack[fNseedsTOF]) AliTOFtrack(*track);
323 AliInfo(Form("Number of TOF seeds %i",fNseedsTOF));
324 AliInfo(Form("Number of TOF seeds Type 1 %i",seedsTOF1));
325 AliInfo(Form("Number of TOF seeds Type 2 %i",seedsTOF2));
327 // Sort according uncertainties on track position
331 //_________________________________________________________________________
332 void AliTOFtrackerV1::MatchTracks( ){
334 //Match ESD tracks to clusters in TOF
338 // Parameters regulating the reconstruction
339 Float_t dY=fGeom->XPad();
340 Float_t dZ=fGeom->ZPad();
342 const Int_t ncmax = 100;
343 Float_t sensRadius = fRecoParam->GetSensRadius();
344 Float_t scaleFact = fRecoParam->GetWindowScaleFact();
345 Float_t dyMax=fRecoParam->GetWindowSizeMaxY();
346 Float_t dzMax=fRecoParam->GetWindowSizeMaxZ();
347 Double_t maxChi2=fRecoParam->GetMaxChi2();
348 Bool_t timeWalkCorr = fRecoParam->GetTimeWalkCorr();
349 AliDebug(1,"++++++++++++++TOF Reconstruction Parameters:++++++++++++ \n");
350 AliDebug(1,Form("TOF sens radius: %f",sensRadius));
351 AliDebug(1,Form("TOF Window scale factor: %f",scaleFact));
352 AliDebug(1,Form("TOF Window max dy: %f",dyMax));
353 AliDebug(1,Form("TOF Window max dz: %f",dzMax));
354 AliDebug(1,Form("TOF Max Chi2: %f",maxChi2));
355 AliDebug(1,Form("Time Walk Correction? : %d",timeWalkCorr));
360 AliTOFcalib *calib = new AliTOFcalib(fGeom);
362 for (Int_t iseed=0; iseed<fNseedsTOF; iseed++) {
364 AliTOFtrack *track =(AliTOFtrack*)fTracks->UncheckedAt(iseed);
365 AliESDtrack *t =(AliESDtrack*)fSeeds->UncheckedAt(track->GetSeedIndex());
366 if(t->GetTOFsignal()>0. ) continue;
367 AliTOFtrack *trackTOFin =new AliTOFtrack(*track);
369 // Determine a window around the track
370 Double_t x,par[5]; trackTOFin->GetExternalParameters(x,par);
371 Double_t cov[15]; trackTOFin->GetExternalCovariance(cov);
374 Double_t dz = scaleFact*3.*TMath::Sqrt(cov[2]+dZ*dZ/12);
375 Double_t dphi = scaleFact*3.*TMath::Sqrt(cov[0]+dY*dY/12.)/sensRadius;
377 Double_t phi=TMath::ATan2(par[0],x) + trackTOFin->GetAlpha();
378 if (phi<-TMath::Pi())phi+=2*TMath::Pi();
379 if (phi>=TMath::Pi())phi-=2*TMath::Pi();
381 //upper limit on window's size.
382 if(dz> dzMax) dz=dzMax;
383 if(dphi*sensRadius> dyMax) dphi=dyMax/sensRadius;
386 // find the clusters inside the selected window
388 AliTOFcluster *clusters[ncmax]; // pointers to the clusters in the window
389 Int_t index[ncmax];//to keep track of the cluster index
390 for (Int_t k=FindClusterIndex(z-dz); k<fN; k++) {
391 AliTOFcluster *c=fClusters[k];
393 if(c->GetZ() > z+dz) break;
394 if(c->IsUsed()) continue;
395 if(!c->GetStatus()) continue; // skip bad channels as declared in OCDB
396 Float_t xyz[3]; c->GetGlobalXYZ(xyz);
397 Double_t clPhi=TMath::ATan2(xyz[1],xyz[0]);
398 Double_t dph=TMath::Abs(clPhi-phi);
399 if (dph>TMath::Pi()) dph-=2.*TMath::Pi();
400 if (TMath::Abs(dph)>dphi) continue;
406 //start propagation: go to the average TOF pad middle plane at ~378.5 cm
408 Float_t xTOF = sensRadius;
409 Double_t ymax = xTOF*TMath::Tan(0.5*fGeom->GetAlpha());
410 Bool_t skip = kFALSE;
411 Double_t ysect = trackTOFin->GetYat(xTOF,skip);
414 if (!trackTOFin->Rotate(fGeom->GetAlpha())) {
417 } else if (ysect <-ymax) {
418 if (!trackTOFin->Rotate(fGeom->GetAlpha())) {
422 if(!trackTOFin->PropagateTo(xTOF)) {
427 AliTOFcluster *bestCluster=0;
428 Double_t bestChi2=maxChi2;
430 for (Int_t i=0; i<nc; i++){
431 AliTOFcluster *c=clusters[i]; // one of the preselected clusters
432 Double_t chi2=trackTOFin->GetPredictedChi2((AliCluster3D*)c);
433 if (chi2 >= bestChi2) continue;
439 if (!bestCluster) { // no matching , go to the next track
448 (bestCluster->GetLabel(0)==TMath::Abs(trackTOFin->GetLabel()))
450 (bestCluster->GetLabel(1)==TMath::Abs(trackTOFin->GetLabel()))
452 (bestCluster->GetLabel(2)==TMath::Abs(trackTOFin->GetLabel()))
455 AliDebug(2,Form(" track label good %5i",trackTOFin->GetLabel()));
460 AliDebug(2,Form(" track label bad %5i",trackTOFin->GetLabel()));
463 //Propagate the track to the best matched cluster
464 trackTOFin->PropagateTo(bestCluster);
467 //now take the local distance in Z from the pad center for time walk correction
468 Float_t tiltangle = fGeom->GetAngles(bestCluster->GetDetInd(1),bestCluster->GetDetInd(2))*TMath::DegToRad();
469 Double_t dzTW=trackTOFin->GetZ()-bestCluster->GetZ(); // in cm
470 dzTW/=TMath::Cos(tiltangle);
472 //update the ESD track and delete the TOFtrack
473 t->UpdateTrackParams(trackTOFin,AliESDtrack::kTOFout);
476 // Store quantities to be used in the TOF Calibration
477 Float_t tToT=fGeom->ToTBinWidth()*bestCluster->GetToT()*1E-3; // in ns
478 t->SetTOFsignalToT(tToT);
479 Float_t rawTime=fGeom->TdcBinWidth()*bestCluster->GetTDCRAW()+32; // RAW time,in ps
480 t->SetTOFsignalRaw(rawTime);
481 t->SetTOFsignalDz(dzTW);
482 AliDebug(2,Form(" Setting TOF raw time: %f z distance: %f time: %f = ",rawTime,dzTW));
484 ind[0]=bestCluster->GetDetInd(0);
485 ind[1]=bestCluster->GetDetInd(1);
486 ind[2]=bestCluster->GetDetInd(2);
487 ind[3]=bestCluster->GetDetInd(3);
488 ind[4]=bestCluster->GetDetInd(4);
489 Int_t calindex = calib->GetIndex(ind);
490 t->SetTOFCalChannel(calindex);
492 // keep track of the track labels in the matched cluster
494 tlab[0]=bestCluster->GetLabel(0);
495 tlab[1]=bestCluster->GetLabel(1);
496 tlab[2]=bestCluster->GetLabel(2);
497 AliDebug(2,Form(" tdc time of the matched track %i = ",bestCluster->GetTDC()));
498 Double_t tof=fGeom->TdcBinWidth()*bestCluster->GetTDC()+32; // in ps
499 AliDebug(2,Form(" tof time of the matched track: %f = ",tof));
500 Double_t tofcorr=tof;
501 if(timeWalkCorr)tofcorr=CorrectTimeWalk(dzTW,tof);
502 AliDebug(2,Form(" tof time of the matched track, after TW corr: %f = ",tofcorr));
503 //Set TOF time signal and pointer to the matched cluster
504 t->SetTOFsignal(tofcorr);
505 t->SetTOFcluster(idclus); // pointing to the recPoints tree
506 t->SetTOFLabel(tlab);
508 Double_t mom=t->GetP();
509 // Fill Reco-QA histos for Reconstruction
510 fHRecNClus->Fill(nc);
511 fHRecChi2->Fill(bestChi2);
512 fHRecDistZ->Fill(dzTW);
513 fHRecSigYVsP->Fill(mom,TMath::Sqrt(cov[0]));
514 fHRecSigZVsP->Fill(mom,TMath::Sqrt(cov[2]));
515 fHRecSigYVsPWin->Fill(mom,dphi*sensRadius);
516 fHRecSigZVsPWin->Fill(mom,dz);
518 // Fill Tree for on-the-fly offline Calibration
519 // no longer there - all info is in the ESDs now
525 //_________________________________________________________________________
526 Int_t AliTOFtrackerV1::LoadClusters(TTree *cTree) {
527 //--------------------------------------------------------------------
528 //This function loads the TOF clusters
529 //--------------------------------------------------------------------
531 Int_t npadX = fGeom->NpadX();
532 Int_t npadZ = fGeom->NpadZ();
533 Int_t nStripA = fGeom->NStripA();
534 Int_t nStripB = fGeom->NStripB();
535 Int_t nStripC = fGeom->NStripC();
537 TBranch *branch=cTree->GetBranch("TOF");
539 AliError("can't get the branch with the TOF clusters !");
543 TClonesArray dummy("AliTOFcluster",10000), *clusters=&dummy;
544 branch->SetAddress(&clusters);
547 Int_t nc=clusters->GetEntriesFast();
548 fHDigNClus->Fill(nc);
550 for (Int_t i=0; i<nc; i++) {
551 AliTOFcluster *c=(AliTOFcluster*)clusters->UncheckedAt(i);
552 fClusters[i]=new AliTOFcluster(*c); fN++;
554 // Fill Digits QA histos
556 Int_t isector = c->GetDetInd(0);
557 Int_t iplate = c->GetDetInd(1);
558 Int_t istrip = c->GetDetInd(2);
559 Int_t ipadX = c->GetDetInd(4);
560 Int_t ipadZ = c->GetDetInd(3);
562 Float_t time =(fGeom->TdcBinWidth()*c->GetTDC())*1E-3; // in ns
563 Float_t tot = (fGeom->TdcBinWidth()*c->GetToT())*1E-3;//in ns
565 Int_t stripOffset = 0;
571 stripOffset = nStripC;
574 stripOffset = nStripC+nStripB;
577 stripOffset = nStripC+nStripB+nStripA;
580 stripOffset = nStripC+nStripB+nStripA+nStripB;
583 AliError(Form("Wrong plate number in TOF (%d) !",iplate));
586 Int_t zindex=npadZ*(istrip+stripOffset)+(ipadZ+1);
587 Int_t phiindex=npadX*isector+ipadX+1;
588 fHDigClusMap->Fill(zindex,phiindex);
589 fHDigClusTime->Fill(time);
590 fHDigClusToT->Fill(tot);
596 //_________________________________________________________________________
597 void AliTOFtrackerV1::UnloadClusters() {
598 //--------------------------------------------------------------------
599 //This function unloads TOF clusters
600 //--------------------------------------------------------------------
601 for (Int_t i=0; i<fN; i++) {
608 //_________________________________________________________________________
609 Int_t AliTOFtrackerV1::FindClusterIndex(Double_t z) const {
610 //--------------------------------------------------------------------
611 // This function returns the index of the nearest cluster
612 //--------------------------------------------------------------------
614 //Here we need to get the Z in the tracking system
617 if (z <= fClusters[0]->GetZ()) return 0;
618 if (z > fClusters[fN-1]->GetZ()) return fN;
619 Int_t b=0, e=fN-1, m=(b+e)/2;
620 for (; b<e; m=(b+e)/2) {
621 if (z > fClusters[m]->GetZ()) b=m+1;
627 //_________________________________________________________________________
628 Bool_t AliTOFtrackerV1::GetTrackPoint(Int_t index, AliTrackPoint& p) const
630 // Get track space point with index i
631 // Coordinates are in the global system
632 AliTOFcluster *cl = fClusters[index];
634 cl->GetGlobalXYZ(xyz);
635 Float_t phi=TMath::ATan2(xyz[1],xyz[0]);
636 Float_t phiangle = (Int_t(phi*TMath::RadToDeg()/20.)+0.5)*20.*TMath::DegToRad();
637 Float_t sinphi = TMath::Sin(phiangle), cosphi = TMath::Cos(phiangle);
638 Float_t tiltangle = fGeom->GetAngles(cl->GetDetInd(1),cl->GetDetInd(2))*TMath::DegToRad();
639 Float_t sinth = TMath::Sin(tiltangle), costh = TMath::Cos(tiltangle);
640 Float_t sigmay2 = fGeom->XPad()*fGeom->XPad()/12.;
641 Float_t sigmaz2 = fGeom->ZPad()*fGeom->ZPad()/12.;
643 cov[0] = sinphi*sinphi*sigmay2 + cosphi*cosphi*sinth*sinth*sigmaz2;
644 cov[1] = -sinphi*cosphi*sigmay2 + sinphi*cosphi*sinth*sinth*sigmaz2;
645 cov[2] = -cosphi*sinth*costh*sigmaz2;
646 cov[3] = cosphi*cosphi*sigmay2 + sinphi*sinphi*sinth*sinth*sigmaz2;
647 cov[4] = -sinphi*sinth*costh*sigmaz2;
648 cov[5] = costh*costh*sigmaz2;
649 p.SetXYZ(xyz[0],xyz[1],xyz[2],cov);
651 // Detector numbering scheme
652 Int_t nSector = fGeom->NSectors();
653 Int_t nPlate = fGeom->NPlates();
654 Int_t nStripA = fGeom->NStripA();
655 Int_t nStripB = fGeom->NStripB();
656 Int_t nStripC = fGeom->NStripC();
658 Int_t isector = cl->GetDetInd(0);
659 if (isector >= nSector)
660 AliError(Form("Wrong sector number in TOF (%d) !",isector));
661 Int_t iplate = cl->GetDetInd(1);
662 if (iplate >= nPlate)
663 AliError(Form("Wrong plate number in TOF (%d) !",iplate));
664 Int_t istrip = cl->GetDetInd(2);
666 Int_t stripOffset = 0;
672 stripOffset = nStripC;
675 stripOffset = nStripC+nStripB;
678 stripOffset = nStripC+nStripB+nStripA;
681 stripOffset = nStripC+nStripB+nStripA+nStripB;
684 AliError(Form("Wrong plate number in TOF (%d) !",iplate));
688 Int_t idet = (2*(nStripC+nStripB)+nStripA)*isector +
691 UShort_t volid = AliGeomManager::LayerToVolUID(AliGeomManager::kTOF,idet);
692 p.SetVolumeID((UShort_t)volid);
695 //_________________________________________________________________________
696 void AliTOFtrackerV1::InitCheckHists() {
698 //Init histos for Digits/Reco QA and Calibration
701 fHDigClusMap = new TH2F("TOFDig_ClusMap", "",182,0.5,182.5,864, 0.5,864.5);
702 fHDigNClus = new TH1F("TOFDig_NClus", "",200,0.5,200.5);
703 fHDigClusTime = new TH1F("TOFDig_ClusTime", "",2000,0.,200.);
704 fHDigClusToT = new TH1F("TOFDig_ClusToT", "",500,0.,100);
707 fHRecNClus =new TH1F("TOFRec_NClusW", "",50,0.5,50.5);
708 fHRecDistZ=new TH1F("TOFRec_DistZ", "",50,0.5,10.5);
709 fHRecChi2=new TH1F("TOFRec_Chi2", "",100,0.,10.);
710 fHRecSigYVsP=new TH2F("TOFDig_SigYVsP", "",40,0.,4.,100, 0.,5.);
711 fHRecSigZVsP=new TH2F("TOFDig_SigZVsP", "",40,0.,4.,100, 0.,5.);
712 fHRecSigYVsPWin=new TH2F("TOFDig_SigYVsPWin", "",40,0.,4.,100, 0.,50.);
713 fHRecSigZVsPWin=new TH2F("TOFDig_SigZVsPWin", "",40,0.,4.,100, 0.,50.);
716 //_________________________________________________________________________
717 void AliTOFtrackerV1::SaveCheckHists() {
719 //write histos for Digits/Reco QA and Calibration
721 TDirectory *dir = gDirectory;
723 TFile *logFileTOF = 0;
725 TSeqCollection *list = gROOT->GetListOfFiles();
726 int n = list->GetEntries();
727 for(int i=0; i<n; i++) {
728 logFile = (TFile*)list->At(i);
729 if (strstr(logFile->GetName(), "AliESDs.root")) break;
732 Bool_t isThere=kFALSE;
733 for(int i=0; i<n; i++) {
734 logFileTOF = (TFile*)list->At(i);
735 if (strstr(logFileTOF->GetName(), "TOFQA.root")){
742 fHDigClusMap->Write(fHDigClusMap->GetName(), TObject::kOverwrite);
743 fHDigNClus->Write(fHDigNClus->GetName(), TObject::kOverwrite);
744 fHDigClusTime->Write(fHDigClusTime->GetName(), TObject::kOverwrite);
745 fHDigClusToT->Write(fHDigClusToT->GetName(), TObject::kOverwrite);
746 fHRecNClus->Write(fHRecNClus->GetName(), TObject::kOverwrite);
747 fHRecChi2->Write(fHRecChi2->GetName(), TObject::kOverwrite);
748 fHRecDistZ->Write(fHRecDistZ->GetName(), TObject::kOverwrite);
749 fHRecSigYVsP->Write(fHRecSigYVsP->GetName(), TObject::kOverwrite);
750 fHRecSigZVsP->Write(fHRecSigZVsP->GetName(), TObject::kOverwrite);
751 fHRecSigYVsPWin->Write(fHRecSigYVsPWin->GetName(), TObject::kOverwrite);
752 fHRecSigZVsPWin->Write(fHRecSigZVsPWin->GetName(), TObject::kOverwrite);
755 if(!isThere)logFileTOF = new TFile( "TOFQA.root","RECREATE");
757 fHDigClusMap->Write(fHDigClusMap->GetName(), TObject::kOverwrite);
758 fHDigNClus->Write(fHDigNClus->GetName(), TObject::kOverwrite);
759 fHDigClusTime->Write(fHDigClusTime->GetName(), TObject::kOverwrite);
760 fHDigClusToT->Write(fHDigClusToT->GetName(), TObject::kOverwrite);
761 fHRecNClus->Write(fHRecNClus->GetName(), TObject::kOverwrite);
762 fHRecChi2->Write(fHRecChi2->GetName(), TObject::kOverwrite);
763 fHRecDistZ->Write(fHRecDistZ->GetName(), TObject::kOverwrite);
764 fHRecSigYVsP->Write(fHRecSigYVsP->GetName(), TObject::kOverwrite);
765 fHRecSigZVsP->Write(fHRecSigZVsP->GetName(), TObject::kOverwrite);
766 fHRecSigYVsPWin->Write(fHRecSigYVsPWin->GetName(), TObject::kOverwrite);
767 fHRecSigZVsPWin->Write(fHRecSigZVsPWin->GetName(), TObject::kOverwrite);
772 //_________________________________________________________________________
773 Float_t AliTOFtrackerV1::CorrectTimeWalk( Float_t dist, Float_t tof) {
775 //dummy, for the moment
777 if(dist<fGeom->ZPad()*0.5){
779 //place here the actual correction
785 //_________________________________________________________________________
786 Float_t AliTOFtrackerV1::GetTimeZerofromT0(AliESDEvent *event) const {
788 //Returns TimeZero as measured by T0 detector
790 return event->GetT0();
792 //_________________________________________________________________________
793 Float_t AliTOFtrackerV1::GetTimeZerofromTOF(AliESDEvent * /*event*/) const {
795 //dummy, for the moment. T0 algorithm using tracks on TOF
797 //place T0 algo here...