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 **************************************************************************/
17 Comments to be written here:
19 1. What do we calibrate.
21 Time dependence of gain and drift velocity in order to account for changes in: temperature, pressure, gas composition.
23 AliTPCcalibTime *calibTime = new AliTPCcalibTime("cosmicTime","cosmicTime",0, 1213.9e+06, 1213.96e+06, 0.04e+04, 0.04e+04);
25 2. How to interpret results
29 a) determine the required time range:
31 AliXRDPROOFtoolkit tool;
32 TChain * chain = tool.MakeChain("pass2.txt","esdTree",0,6000);
33 chain->Draw("GetTimeStamp()")
35 b) analyse calibration object on Proof in calibration train
37 AliTPCcalibTime *calibTime = new AliTPCcalibTime("cosmicTime","cosmicTime", StartTimeStamp, EndTimeStamp, IntegrationTimeVdrift);
41 gSystem->Load("libANALYSIS");
42 gSystem->Load("libTPCcalib");
44 TFile f("CalibObjectsTrain1.root");
45 AliTPCcalibTime *calib = (AliTPCcalibTime *)f->Get("calibTime");
46 calib->GetHistoDrift("all")->Projection(2,0)->Draw()
47 calib->GetFitDrift("all")->Draw("lp")
49 4. Analysis using debug streamers.
51 gSystem->AddIncludePath("-I$ALICE_ROOT/TPC/macros");
52 gROOT->LoadMacro("$ALICE_ROOT/TPC/macros/AliXRDPROOFtoolkit.cxx+")
53 AliXRDPROOFtoolkit tool;
54 TChain * chainTime = tool.MakeChainRandom("time.txt","trackInfo",0,10000);
56 AliXRDPROOFtoolkit::FilterList("timetpctpc.txt","* tpctpc",1)
57 AliXRDPROOFtoolkit::FilterList("timetoftpc.txt","* toftpc",1)
58 AliXRDPROOFtoolkit::FilterList("timeitstpc.txt","* itstpc",1)
59 AliXRDPROOFtoolkit::FilterList("timelaser.txt","* laserInfo",1)
60 TChain * chainTPCTPC = tool.MakeChainRandom("timetpctpc.txt.Good","tpctpc",0,10000);
61 TChain * chainTPCITS = tool.MakeChainRandom("timeitstpc.txt.Good","itstpc",0,10000);
62 TChain * chainTPCTOF = tool.MakeChainRandom("timetoftpc.txt.Good","toftpc",0,10000);
63 TChain * chainLaser = tool.MakeChainRandom("timelaser.txt.Good","laserInfo",0,10000);
68 #include "Riostream.h"
69 #include "TDatabasePDG.h"
70 #include "TGraphErrors.h"
72 #include "THnSparse.h"
75 #include "TTimeStamp.h"
81 #include "AliDCSSensor.h"
82 #include "AliDCSSensorArray.h"
83 #include "AliESDEvent.h"
84 #include "AliESDInputHandler.h"
85 #include "AliESDVertex.h"
86 #include "AliESDfriend.h"
88 #include "AliRelAlignerKalman.h"
89 #include "AliTPCCalROC.h"
90 #include "AliTPCParam.h"
91 #include "AliTPCTracklet.h"
92 #include "AliTPCcalibDB.h"
93 #include "AliTPCcalibLaser.h"
94 #include "AliTPCcalibTime.h"
95 #include "AliTPCclusterMI.h"
96 #include "AliTPCseed.h"
97 #include "AliTrackPointArray.h"
98 #include "AliTracker.h"
99 #include "AliKFVertex.h"
102 ClassImp(AliTPCcalibTime)
105 AliTPCcalibTime::AliTPCcalibTime()
107 fMemoryMode(1), // 0 -do not fill THnSparse with residuals 1- fill only important QA THn 2 - Fill all THnsparse for calibration
108 fLaser(0), // pointer to laser calibration
109 fDz(0), // current delta z
110 fCutMaxD(3), // maximal distance in rfi ditection
111 fCutMaxDz(25), // maximal distance in rfi ditection
112 fCutTheta(0.03), // maximal distan theta
113 fCutMinDir(-0.99), // direction vector products
115 fArrayLaserA(0), //laser fit parameters C
116 fArrayLaserC(0), //laser fit parameters A
117 fArrayDz(0), //NEW! Tmap of V drifts for different triggers
118 fAlignITSTPC(0), //alignemnt array ITS TPC match
119 fAlignTRDTPC(0), //alignemnt array TRD TPC match
120 fAlignTOFTPC(0), //alignemnt array TOF TPC match
121 fTimeKalmanBin(60*15), //time bin width for kalman - 15 minutes default
136 // default constructor
138 AliInfo("Default Constructor");
139 for (Int_t i=0;i<3;i++) {
140 fHistVdriftLaserA[i]=0;
141 fHistVdriftLaserC[i]=0;
143 for (Int_t i=0;i<10;i++) {
144 fCosmiMatchingHisto[i]=0;
147 for (Int_t i=0;i<5;i++) {
149 fResHistoTPCITS[i]=0;
150 fResHistoTPCTRD[i]=0;
151 fResHistoTPCTOF[i]=0;
152 fResHistoTPCvertex[i]=0;
155 for (Int_t i=0;i<12;i++) {
158 for (Int_t i=0;i<5;i++) {
159 fTPCVertexCorrelation[i]=0;
161 static Int_t counter=0;
165 AliInfo(Form("Counter Constructor\t%d\t%d",counter,time));
171 AliTPCcalibTime::AliTPCcalibTime(const Text_t *name, const Text_t *title, UInt_t StartTime, UInt_t EndTime, Int_t deltaIntegrationTimeVdrift, Int_t memoryMode)
173 fMemoryMode(memoryMode), // 0 -do not fill THnSparse with residuals 1- fill only important QA THn 2 - Fill all THnsparse for calibration
174 fLaser(0), // pointer to laser calibration
175 fDz(0), // current delta z
176 fCutMaxD(5*0.5356), // maximal distance in rfi ditection
177 fCutMaxDz(40), // maximal distance in rfi ditection
178 fCutTheta(5*0.004644),// maximal distan theta
179 fCutMinDir(-0.99), // direction vector products
181 fArrayLaserA(new TObjArray(1000)), //laser fit parameters C
182 fArrayLaserC(new TObjArray(1000)), //laser fit parameters A
183 fArrayDz(0), //Tmap of V drifts for different triggers
184 fAlignITSTPC(0), //alignemnt array ITS TPC match
185 fAlignTRDTPC(0), //alignemnt array TRD TPC match
186 fAlignTOFTPC(0), //alignemnt array TOF TPC match
187 fTimeKalmanBin(60*15), //time bin width for kalman - 15 minutes default
202 // Non deafaul constructor - to be used in the Calibration setups
207 for (Int_t i=0;i<3;i++) {
208 fHistVdriftLaserA[i]=0;
209 fHistVdriftLaserC[i]=0;
212 for (Int_t i=0;i<5;i++) {
214 fResHistoTPCITS[i]=0;
215 fResHistoTPCTRD[i]=0;
216 fResHistoTPCTOF[i]=0;
217 fResHistoTPCvertex[i]=0;
221 AliInfo("Non Default Constructor");
222 fTimeBins =(EndTime-StartTime)/deltaIntegrationTimeVdrift;
223 fTimeStart =StartTime; //(((TObjString*)(mapGRP->GetValue("fAliceStartTime")))->GetString()).Atoi();
224 fTimeEnd =EndTime; //(((TObjString*)(mapGRP->GetValue("fAliceStopTime")))->GetString()).Atoi();
235 Int_t binsVdriftLaser[4] = {fTimeBins , fPtBins , fVdriftBins*20, fRunBins };
236 Double_t xminVdriftLaser[4] = {fTimeStart, fPtStart, fVdriftStart , fRunStart};
237 Double_t xmaxVdriftLaser[4] = {fTimeEnd , fPtEnd , fVdriftEnd , fRunEnd };
238 TString axisTitle[4]={
244 TString histoName[3]={
251 for (Int_t i=0;i<3;i++) {
252 fHistVdriftLaserA[i] = new THnSparseF("HistVdriftLaser","HistVdriftLaser;time;p/T ratio;Vdrift;run",4,binsVdriftLaser,xminVdriftLaser,xmaxVdriftLaser);
253 fHistVdriftLaserC[i] = new THnSparseF("HistVdriftLaser","HistVdriftLaser;time;p/T ratio;Vdrift;run",4,binsVdriftLaser,xminVdriftLaser,xmaxVdriftLaser);
254 fHistVdriftLaserA[i]->SetName(histoName[i]);
255 fHistVdriftLaserC[i]->SetName(histoName[i]);
256 for (Int_t iaxis=0; iaxis<4;iaxis++){
257 fHistVdriftLaserA[i]->GetAxis(iaxis)->SetName(axisTitle[iaxis]);
258 fHistVdriftLaserC[i]->GetAxis(iaxis)->SetName(axisTitle[iaxis]);
261 fBinsVdrift[0] = fTimeBins;
262 fBinsVdrift[1] = fPtBins;
263 fBinsVdrift[2] = fVdriftBins;
264 fBinsVdrift[3] = fRunBins;
265 fXminVdrift[0] = fTimeStart;
266 fXminVdrift[1] = fPtStart;
267 fXminVdrift[2] = fVdriftStart;
268 fXminVdrift[3] = fRunStart;
269 fXmaxVdrift[0] = fTimeEnd;
270 fXmaxVdrift[1] = fPtEnd;
271 fXmaxVdrift[2] = fVdriftEnd;
272 fXmaxVdrift[3] = fRunEnd;
274 fArrayDz=new TObjArray();
275 fAlignITSTPC = new TObjArray; //alignemnt array ITS TPC match
276 fAlignTRDTPC = new TObjArray; //alignemnt array ITS TPC match
277 fAlignTOFTPC = new TObjArray; //alignemnt array ITS TPC match
278 fAlignITSTPC->SetOwner(kTRUE);
279 fAlignTRDTPC->SetOwner(kTRUE);
280 fAlignTOFTPC->SetOwner(kTRUE);
283 fCosmiMatchingHisto[0]=new TH1F("Cosmics matching","p0-all" ,100,-10*0.5356 ,10*0.5356 );
284 fCosmiMatchingHisto[1]=new TH1F("Cosmics matching","p1-all" ,100,-10*4.541 ,10*4.541 );
285 fCosmiMatchingHisto[2]=new TH1F("Cosmics matching","p2-all" ,100,-10*0.01134 ,10*0.01134 );
286 fCosmiMatchingHisto[3]=new TH1F("Cosmics matching","p3-all" ,100,-10*0.004644,10*0.004644);
287 fCosmiMatchingHisto[4]=new TH1F("Cosmics matching","p4-all" ,100,-10*0.03773 ,10*0.03773 );
288 fCosmiMatchingHisto[5]=new TH1F("Cosmics matching","p0-isPair",100,-10*0.5356 ,10*0.5356 );
289 fCosmiMatchingHisto[6]=new TH1F("Cosmics matching","p1-isPair",100,-10*4.541 ,10*4.541 );
290 fCosmiMatchingHisto[7]=new TH1F("Cosmics matching","p2-isPair",100,-10*0.01134 ,10*0.01134 );
291 fCosmiMatchingHisto[8]=new TH1F("Cosmics matching","p3-isPair",100,-10*0.004644,10*0.004644);
292 fCosmiMatchingHisto[9]=new TH1F("Cosmics matching","p4-isPair",100,-10*0.03773 ,10*0.03773 );
293 for (Int_t i=0;i<12;i++) {
296 for (Int_t i=0;i<5;i++) {
297 fTPCVertexCorrelation[i]=0;
299 BookDistortionMaps();
303 AliTPCcalibTime::~AliTPCcalibTime(){
305 // Virtual Destructor
307 static Int_t counter=0;
311 AliInfo(Form("Counter Destructor\t%s\t%d\t%d",GetName(),counter,time));
314 for(Int_t i=0;i<3;i++){
315 if(fHistVdriftLaserA[i]){
316 delete fHistVdriftLaserA[i];
317 fHistVdriftLaserA[i]=NULL;
319 if(fHistVdriftLaserC[i]){
320 delete fHistVdriftLaserC[i];
321 fHistVdriftLaserC[i]=NULL;
325 fArrayDz->SetOwner();
330 for(Int_t i=0;i<5;i++){
331 if(fCosmiMatchingHisto[i]){
332 delete fCosmiMatchingHisto[i];
333 fCosmiMatchingHisto[i]=NULL;
337 for (Int_t i=0;i<5;i++) {
338 delete fResHistoTPCCE[i];
339 delete fResHistoTPCITS[i];
340 delete fResHistoTPCTRD[i];
341 delete fResHistoTPCTOF[i];
342 delete fResHistoTPCvertex[i];
344 fResHistoTPCITS[i]=0;
345 fResHistoTPCTRD[i]=0;
346 fResHistoTPCTOF[i]=0;
347 fResHistoTPCvertex[i]=0;
351 for (Int_t i=0;i<12;i++) delete fTPCVertex[i];
353 if (fTPCVertexCorrelation) {
354 for (Int_t i=0;i<5;i++) delete fTPCVertexCorrelation[i];
357 fAlignITSTPC->SetOwner(kTRUE);
358 fAlignTRDTPC->SetOwner(kTRUE);
359 fAlignTOFTPC->SetOwner(kTRUE);
361 fAlignITSTPC->Delete();
362 fAlignTRDTPC->Delete();
363 fAlignTOFTPC->Delete();
369 Bool_t AliTPCcalibTime::IsLaser(const AliESDEvent *const /*event*/){
371 // Indicator is laser event not yet implemented - to be done using trigger info or event specie
373 return kTRUE; //More accurate creteria to be added
375 Bool_t AliTPCcalibTime::IsCosmics(const AliESDEvent *const /*event*/){
377 // Indicator is cosmic event not yet implemented - to be done using trigger info or event specie
380 return kTRUE; //More accurate creteria to be added
382 Bool_t AliTPCcalibTime::IsBeam(const AliESDEvent *const /*event*/){
384 // Indicator is physic event not yet implemented - to be done using trigger info or event specie
387 return kTRUE; //More accurate creteria to be added
389 void AliTPCcalibTime::ResetCurrent(){
390 fDz=0; //Reset current dz
395 void AliTPCcalibTime::Process(AliESDEvent *event){
397 // main function to make calibration
400 if (event->GetNumberOfTracks()<2) return;
402 if(IsLaser (event)) ProcessLaser (event);
403 if(IsCosmics(event)) ProcessCosmic(event);
404 if(IsBeam (event)) ProcessBeam (event);
407 void AliTPCcalibTime::ProcessLaser(AliESDEvent *event){
409 // Fit drift velocity using laser
412 const Int_t kMinTracks = 40; // minimal number of laser tracks
413 const Int_t kMinTracksSide = 20; // minimal number of tracks per side
414 const Float_t kMaxDeltaZ = 30.; // maximal trigger delay
415 const Float_t kMaxDeltaV = 0.05; // maximal deltaV
416 const Float_t kMaxRMS = 0.1; // maximal RMS of tracks
419 TCut cutRMS("sqrt(laserA.fElements[4])<0.1&&sqrt(laserC.fElements[4])<0.1");
420 TCut cutZ("abs(laserA.fElements[0]-laserC.fElements[0])<3");
421 TCut cutV("abs(laserA.fElements[1]-laserC.fElements[1])<0.01");
422 TCut cutY("abs(laserA.fElements[2]-laserC.fElements[2])<2");
423 TCut cutAll = cutRMS+cutZ+cutV+cutY;
425 if (event->GetNumberOfTracks()<kMinTracks) return;
427 if(!fLaser) fLaser = new AliTPCcalibLaser("laserTPC","laserTPC",kFALSE);
428 fLaser->Process(event);
429 if (fLaser->GetNtracks()<kMinTracks) return; // small amount of tracks cut
430 if (fLaser->fFitAside->GetNrows()==0 && fLaser->fFitCside->GetNrows()==0) return; // no fit neither a or C side
432 // debug streamer - activate stream level
433 // Use it for tuning of the cuts
435 // cuts to be applied
437 Int_t isReject[2]={0,0};
440 if (TMath::Abs((*fLaser->fFitAside)[3]) < kMinTracksSide) isReject[0]|=1;
441 if (TMath::Abs((*fLaser->fFitCside)[3]) < kMinTracksSide) isReject[1]|=1;
442 // unreasonable z offset
443 if (TMath::Abs((*fLaser->fFitAside)[0])>kMaxDeltaZ) isReject[0]|=2;
444 if (TMath::Abs((*fLaser->fFitCside)[0])>kMaxDeltaZ) isReject[1]|=2;
445 // unreasonable drift velocity
446 if (TMath::Abs((*fLaser->fFitAside)[1]-1)>kMaxDeltaV) isReject[0]|=4;
447 if (TMath::Abs((*fLaser->fFitCside)[1]-1)>kMaxDeltaV) isReject[1]|=4;
449 if (TMath::Sqrt(TMath::Abs((*fLaser->fFitAside)[4]))>kMaxRMS ) isReject[0]|=8;
450 if (TMath::Sqrt(TMath::Abs((*fLaser->fFitCside)[4]))>kMaxRMS ) isReject[1]|=8;
456 printf("Trigger: %s\n",event->GetFiredTriggerClasses().Data());
458 TTreeSRedirector *cstream = GetDebugStreamer();
460 TTimeStamp tstamp(fTime);
461 (*cstream)<<"laserInfo"<<
462 "run="<<fRun<< // run number
463 "event="<<fEvent<< // event number
464 "time="<<fTime<< // time stamp of event
465 "trigger="<<fTrigger<< // trigger
466 "mag="<<fMagF<< // magnetic field
468 "rejectA="<<isReject[0]<<
469 "rejectC="<<isReject[1]<<
470 "laserA.="<<fLaser->fFitAside<<
471 "laserC.="<<fLaser->fFitCside<<
472 "laserAC.="<<fLaser->fFitACside<<
473 "trigger="<<event->GetFiredTriggerClasses()<<
480 TVectorD vdriftA(5), vdriftC(5),vdriftAC(5);
481 vdriftA=*(fLaser->fFitAside);
482 vdriftC=*(fLaser->fFitCside);
483 vdriftAC=*(fLaser->fFitACside);
484 Int_t npointsA=0, npointsC=0;
485 Float_t chi2A=0, chi2C=0;
486 npointsA= TMath::Nint(vdriftA[3]);
488 npointsC= TMath::Nint(vdriftC[3]);
491 if (npointsA>kMinTracksSide || npointsC>kMinTracksSide){
492 TVectorD *fitA = new TVectorD(6);
493 TVectorD *fitC = new TVectorD(6);
494 for (Int_t ipar=0; ipar<5; ipar++){
495 (*fitA)[ipar]=vdriftA[ipar];
496 (*fitC)[ipar]=vdriftC[ipar];
500 fArrayLaserA->AddLast(fitA);
501 fArrayLaserC->AddLast(fitC);
505 TTimeStamp tstamp(fTime);
506 Double_t ptrelative0 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,0);
507 Double_t ptrelative1 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,1);
508 Double_t driftA=0, driftC=0;
509 if (vdriftA[1]>1.-kMaxDeltaV) driftA = 1./vdriftA[1]-1.;
510 if (vdriftC[1]>1.-kMaxDeltaV) driftC = 1./vdriftC[1]-1.;
512 Double_t vecDriftLaserA[4]={fTime,(ptrelative0+ptrelative1)/2.0,driftA,event->GetRunNumber()};
513 Double_t vecDriftLaserC[4]={fTime,(ptrelative0+ptrelative1)/2.0,driftC,event->GetRunNumber()};
514 // Double_t vecDrift[4] ={fTime,(ptrelative0+ptrelative1)/2.0,1./((*(fLaser->fFitACside))[1])-1,event->GetRunNumber()};
516 for (Int_t icalib=0;icalib<3;icalib++){
517 if (icalib==0){ //z0 shift
518 vecDriftLaserA[2]=vdriftA[0]/250.;
519 vecDriftLaserC[2]=vdriftC[0]/250.;
521 if (icalib==1){ //vdrel shift
522 vecDriftLaserA[2]=driftA;
523 vecDriftLaserC[2]=driftC;
525 if (icalib==2){ //gy shift - full gy - full drift
526 vecDriftLaserA[2]=vdriftA[2]/250.;
527 vecDriftLaserC[2]=vdriftC[2]/250.;
529 //if (isReject[0]==0) fHistVdriftLaserA[icalib]->Fill(vecDriftLaserA);
530 //if (isReject[1]==0) fHistVdriftLaserC[icalib]->Fill(vecDriftLaserC);
531 fHistVdriftLaserA[icalib]->Fill(vecDriftLaserA);
532 fHistVdriftLaserC[icalib]->Fill(vecDriftLaserC);
536 void AliTPCcalibTime::ProcessCosmic(const AliESDEvent *const event){
538 // process Cosmic event - track matching A side C side
541 Printf("ERROR: ESD not available");
544 if (event->GetTimeStamp() == 0 ) {
545 Printf("no time stamp!");
552 // Track0 is choosen in upper TPC part
553 // Track1 is choosen in lower TPC part
555 const Int_t kMinClustersCross =30;
556 const Int_t kMinClusters =80;
557 Int_t ntracks=event->GetNumberOfTracks();
558 if (ntracks==0) return;
559 if (ntracks > fCutTracks) return;
561 if (GetDebugLevel()>20) printf("Hallo world: Im here\n");
562 AliESDfriend *esdFriend=(AliESDfriend*)(((AliESDEvent*)event)->FindListObject("AliESDfriend"));
564 TObjArray tpcSeeds(ntracks);
565 Double_t vtxx[3]={0,0,0};
566 Double_t svtxx[3]={0.000001,0.000001,100.};
567 AliESDVertex vtx(vtxx,svtxx);
571 TArrayI clusterSideA(ntracks);
572 TArrayI clusterSideC(ntracks);
573 for (Int_t i=0;i<ntracks;++i) {
576 AliESDtrack *track = event->GetTrack(i);
578 const AliExternalTrackParam * trackIn = track->GetInnerParam();
579 const AliExternalTrackParam * trackOut = track->GetOuterParam();
580 if (!trackIn) continue;
581 if (!trackOut) continue;
583 AliESDfriendTrack *friendTrack = esdFriend->GetTrack(i);
584 if (!friendTrack) continue;
585 if (friendTrack) ProcessSame(track,friendTrack,event);
586 if (friendTrack) ProcessAlignITS(track,friendTrack,event,esdFriend);
587 if (friendTrack) ProcessAlignTRD(track,friendTrack);
588 if (friendTrack) ProcessAlignTOF(track,friendTrack);
589 TObject *calibObject;
590 AliTPCseed *seed = 0;
591 for (Int_t l=0;(calibObject=friendTrack->GetCalibObject(l));++l) if ((seed=dynamic_cast<AliTPCseed*>(calibObject))) break;
593 tpcSeeds.AddAt(seed,i);
595 for (Int_t irow=159;irow>0;irow--) {
596 AliTPCclusterMI *cl=seed->GetClusterPointer(irow);
598 if ((cl->GetDetector()%36)<18) nA++;
599 if ((cl->GetDetector()%36)>=18) nC++;
605 if (ntracks<2) return;
610 for (Int_t i=0;i<ntracks;++i) {
611 AliESDtrack *track0 = event->GetTrack(i);
612 // track0 - choosen upper part
613 if (!track0) continue;
614 if (!track0->GetOuterParam()) continue;
615 if (track0->GetOuterParam()->GetAlpha()<0) continue;
617 track0->GetDirection(d1);
618 for (Int_t j=0;j<ntracks;++j) {
620 AliESDtrack *track1 = event->GetTrack(j);
622 if (!track1) continue;
623 if (!track1->GetOuterParam()) continue;
624 if (track0->GetTPCNcls()+ track1->GetTPCNcls()< kMinClusters) continue;
625 Int_t nAC = TMath::Max( TMath::Min(clusterSideA[i], clusterSideC[j]),
626 TMath::Min(clusterSideC[i], clusterSideA[j]));
627 if (nAC<kMinClustersCross) continue;
628 Int_t nA0=clusterSideA[i];
629 Int_t nC0=clusterSideC[i];
630 Int_t nA1=clusterSideA[j];
631 Int_t nC1=clusterSideC[j];
632 // if (track1->GetOuterParam()->GetAlpha()>0) continue;
635 track1->GetDirection(d2);
637 AliTPCseed * seed0 = (AliTPCseed*) tpcSeeds.At(i);
638 AliTPCseed * seed1 = (AliTPCseed*) tpcSeeds.At(j);
639 if (! seed0) continue;
640 if (! seed1) continue;
641 Float_t dir = (d1[0]*d2[0] + d1[1]*d2[1] + d1[2]*d2[2]);
642 Float_t dist0 = track0->GetLinearD(0,0);
643 Float_t dist1 = track1->GetLinearD(0,0);
645 // conservative cuts - convergence to be guarantied
646 // applying before track propagation
647 if (TMath::Abs(TMath::Abs(dist0)-TMath::Abs(dist1))>fCutMaxD) continue; // distance to the 0,0
648 if (TMath::Abs(dir)<TMath::Abs(fCutMinDir)) continue; // direction vector product
649 Float_t bz = AliTracker::GetBz();
650 Float_t dvertex0[2]; //distance to 0,0
651 Float_t dvertex1[2]; //distance to 0,0
652 track0->GetDZ(0,0,0,bz,dvertex0);
653 track1->GetDZ(0,0,0,bz,dvertex1);
654 if (TMath::Abs(dvertex0[1])>250) continue;
655 if (TMath::Abs(dvertex1[1])>250) continue;
659 Float_t dmax = TMath::Max(TMath::Abs(dist0),TMath::Abs(dist1));
660 AliExternalTrackParam param0(*track0);
661 AliExternalTrackParam param1(*track1);
663 // Propagate using Magnetic field and correct fo material budget
665 AliTracker::PropagateTrackTo(¶m0,dmax+1,TDatabasePDG::Instance()->GetParticle("e-")->Mass(),3,kTRUE);
666 AliTracker::PropagateTrackTo(¶m1,dmax+1,TDatabasePDG::Instance()->GetParticle("e-")->Mass(),3,kTRUE);
668 // Propagate rest to the 0,0 DCA - z should be ignored
671 param0.PropagateToDCA(&vtx,bz,1000);
673 param1.PropagateToDCA(&vtx,bz,1000);
674 param0.GetDZ(0,0,0,bz,dvertex0);
675 param1.GetDZ(0,0,0,bz,dvertex1);
680 Bool_t isPair = IsPair(¶m0,¶m1);
681 Bool_t isCross = IsCross(track0, track1);
682 Bool_t isSame = IsSame(track0, track1);
684 THnSparse* hist=new THnSparseF("","HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
685 TString shortName=hist->ClassName();
686 shortName+="_MEAN_VDRIFT_COSMICS_";
690 if((isSame) || (isCross && isPair)){
691 if (track0->GetTPCNcls()+ track1->GetTPCNcls()> 80) {
692 fDz = param0.GetZ() - param1.GetZ();
693 Double_t sign=(nA0>nA1)? 1:-1;
695 TTimeStamp tstamp(fTime);
696 Double_t ptrelative0 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,0);
697 Double_t ptrelative1 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,1);
698 Double_t vecDrift[4]={fTime,(ptrelative0+ptrelative1)/2.0,fDz/500.0,event->GetRunNumber()};
699 THnSparse* curHist=NULL;
703 name+=event->GetFiredTriggerClasses();
705 curHist=(THnSparseF*)fArrayDz->FindObject(name);
707 curHist=new THnSparseF(name,"HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
708 fArrayDz->AddLast(curHist);
710 // curHist=(THnSparseF*)(fMapDz->GetValue(event->GetFiredTriggerClasses()));
712 // curHist=new THnSparseF(event->GetFiredTriggerClasses(),"HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
713 // fMapDz->Add(new TObjString(event->GetFiredTriggerClasses()),curHist);
715 curHist->Fill(vecDrift);
720 curHist=(THnSparseF*)fArrayDz->FindObject(name);
722 curHist=new THnSparseF(name,"HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
723 fArrayDz->AddLast(curHist);
725 // curHist=(THnSparseF*)(fMapDz->GetValue("all"));
727 // curHist=new THnSparseF("all","HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
728 // fMapDz->Add(new TObjString("all"),curHist);
730 curHist->Fill(vecDrift);
733 TTreeSRedirector *cstream = GetDebugStreamer();
736 (*cstream)<<"trackInfo"<<
747 "isCross="<<isCross<<
755 } // end 2nd order loop
756 } // end 1st order loop
759 TTreeSRedirector *cstream = GetDebugStreamer();
761 (*cstream)<<"timeInfo"<<
762 "run="<<fRun<< // run number
763 "event="<<fEvent<< // event number
764 "time="<<fTime<< // time stamp of event
765 "trigger="<<fTrigger<< // trigger
766 "mag="<<fMagF<< // magnetic field
767 // Environment values
769 // accumulated values
771 "fDz="<<fDz<< //! current delta z
772 "trigger="<<event->GetFiredTriggerClasses()<<
776 if (GetDebugLevel()>20) printf("Trigger: %s\n",event->GetFiredTriggerClasses().Data());
779 void AliTPCcalibTime::ProcessBeam(const AliESDEvent *const event){
783 const Int_t kMinClusters =80;
784 const Int_t kMinTracks =2; // minimal number of tracks to define the vertex
785 const Int_t kMinTracksVertex=30; // minimal number of tracks to define the cumulative vertex
786 const Double_t kMaxTgl =1.2; // maximal Tgl (z angle)
787 const Double_t kMinPt =0.2; // minimal pt
788 const Double_t kMaxD0 =5.; // cut on distance to the primary vertex first guess
789 const Double_t kMaxZ0 =20;
790 const Double_t kMaxD =2.5; // cut on distance to the primary vertex
791 const Double_t kMaxZ =4; // maximal z distance between tracks form the same side
792 const Double_t kMaxChi2 =15; // maximal chi2 of the TPCvertex
793 const Double_t kCumulCovarXY=0.003; //increase the error of cumul vertex 30 microns profile
794 const Double_t kCumulCovarZ=250.; //increase the error of cumul vertex
795 const Double_t kMaxDvertex = 1.0; // cut to accept the vertex;
798 const Int_t kBuffSize=100;
799 static Double_t deltaZ[kBuffSize]={0};
800 static Int_t counterZ=0;
801 static AliKFVertex cumulVertexA, cumulVertexC, cumulVertexAC; // cumulative vertex
802 AliKFVertex vertexA, vertexC;
804 Float_t dca0[2]={0,0};
805 Double_t dcaVertex[2]={0,0};
806 Int_t ntracks=event->GetNumberOfTracks();
807 if (ntracks==0) return;
809 AliESDfriend *esdFriend=(AliESDfriend*)(((AliESDEvent*)event)->FindListObject("AliESDfriend"));
811 // Divide tracks to A and C side tracks - using the cluster indexes
812 TObjArray tracksA(ntracks);
813 TObjArray tracksC(ntracks);
815 AliESDVertex *vertexSPD = (AliESDVertex *)event->GetPrimaryVertexSPD();
816 AliESDVertex *vertex = (AliESDVertex *)event->GetPrimaryVertex();
817 AliESDVertex *vertexTracks = (AliESDVertex *)event->GetPrimaryVertexTracks();
818 Double_t vertexZA[10000], vertexZC[10000];
823 for (Int_t itrack=0;itrack<ntracks;itrack++) {
824 AliESDtrack *track = event->GetTrack(itrack);
825 AliESDfriendTrack *friendTrack = esdFriend->GetTrack(itrack);
826 if (!friendTrack) continue;
827 if (TMath::Abs(track->GetTgl())>kMaxTgl) continue;
828 if (TMath::Abs(track->Pt())<kMinPt) continue;
829 const AliExternalTrackParam * trackIn = track->GetInnerParam();
830 TObject *calibObject=0;
831 AliTPCseed *seed = 0;
833 for (Int_t l=0;(calibObject=friendTrack->GetCalibObject(l));++l) if ((seed=dynamic_cast<AliTPCseed*>(calibObject))) break;
835 for (Int_t irow=159;irow>0;irow--) {
836 AliTPCclusterMI *cl=seed->GetClusterPointer(irow);
838 if ((cl->GetDetector()%36)<18) nA++;
839 if ((cl->GetDetector()%36)>=18) nC++;
841 if ((nA>kMinClusters || nC>kMinClusters) && (nA*nC==0) ){
842 track->GetImpactParameters(dca0[0],dca0[1]);
843 if (TMath::Abs(dca0[0])>kMaxD0) continue;
844 if (TMath::Abs(dca0[1])>kMaxZ0) continue;
845 AliExternalTrackParam pTPCvertex(*trackIn);
846 if (!AliTracker::PropagateTrackToBxByBz(&pTPCvertex,4.+4.*TMath::Abs(dca0[0]),0.1,2,kTRUE)) continue;
847 pTPCvertex.PropagateToDCA(vertex,AliTracker::GetBz(), kMaxD, dcaVertex,0);
848 if (TMath::Abs(dcaVertex[0])>kMaxD) continue;
849 if (nA>kMinClusters &&nC==0) { tracksA.AddLast(pTPCvertex.Clone()); vertexZA[ntracksA++] = pTPCvertex.GetZ();}
850 if (nC>kMinClusters &&nA==0) {tracksC.AddLast(pTPCvertex.Clone()); vertexZC[ntracksC++] = pTPCvertex.GetZ();}
854 Double_t medianZA=TMath::Median(ntracksA, vertexZA); // tracks median
855 Double_t medianZC=TMath::Median(ntracksC, vertexZC); // tracks median
857 ntracksA= tracksA.GetEntriesFast();
858 ntracksC= tracksC.GetEntriesFast();
859 if (ntracksA>kMinTracks && ntracksC>kMinTracks){
860 deltaZ[counterZ%kBuffSize]=medianZA-medianZC;
862 Double_t medianDelta=(counterZ>=kBuffSize)? TMath::Median(kBuffSize, deltaZ): TMath::Median(counterZ, deltaZ);
863 if (TMath::Abs(medianDelta-(medianZA-medianZC))>kMaxZ) flags+=16;
864 // increse the error of cumulative vertex at the beginning of event
865 cumulVertexA.Covariance(0,0)+=kCumulCovarXY*kCumulCovarXY;
866 cumulVertexA.Covariance(1,1)+=kCumulCovarXY*kCumulCovarXY;
867 cumulVertexA.Covariance(2,2)+=kCumulCovarZ*kCumulCovarZ;
868 cumulVertexC.Covariance(0,0)+=kCumulCovarXY*kCumulCovarXY;
869 cumulVertexC.Covariance(1,1)+=kCumulCovarXY*kCumulCovarXY;
870 cumulVertexC.Covariance(2,2)+=kCumulCovarZ*kCumulCovarZ;
871 cumulVertexAC.Covariance(0,0)+=kCumulCovarXY*kCumulCovarXY;
872 cumulVertexAC.Covariance(1,1)+=kCumulCovarXY*kCumulCovarXY;
873 cumulVertexAC.Covariance(2,2)+=kCumulCovarZ*kCumulCovarZ;
875 for (Int_t iA=0; iA<ntracksA; iA++){
876 if (flags!=0) continue;
877 AliExternalTrackParam *aliTrack = (AliExternalTrackParam *)tracksA.At(iA);
878 if (TMath::Abs(aliTrack->GetZ()-medianZA)>kMaxZ) continue;
879 AliKFParticle part(*aliTrack,211);
882 for (Int_t iC=0; iC<ntracksC; iC++){
883 if (flags!=0) continue;
884 AliExternalTrackParam *aliTrack = (AliExternalTrackParam *)tracksC.At(iC);
885 if (TMath::Abs(aliTrack->GetZ()-medianZC)>kMaxZ) continue;
886 AliKFParticle part(*aliTrack,211);
890 if (vertexA.GetNDF()<kMinTracks) flags+=32;
891 if (vertexC.GetNDF()<kMinTracks) flags+=32;
892 if (TMath::Abs(vertexA.Z()-medianZA)>kMaxZ) flags+=1; //apply cuts
893 if (TMath::Abs(vertexC.Z()-medianZC)>kMaxZ) flags+=2;
894 if (TMath::Abs(vertexA.GetChi2()/vertexA.GetNDF()+vertexC.GetChi2()/vertexC.GetNDF())> kMaxChi2) flags+=4;
897 for (Int_t iA=0; iA<ntracksA; iA++){
898 if (flags!=0) continue;
899 AliExternalTrackParam *aliTrack = (AliExternalTrackParam *)tracksA.At(iA);
900 if (TMath::Abs(aliTrack->GetZ()-medianZA)>kMaxZ) continue;
901 AliKFParticle part(*aliTrack,211);
905 for (Int_t iC=0; iC<ntracksC; iC++){
906 if (flags!=0) continue;
907 AliExternalTrackParam *aliTrack = (AliExternalTrackParam *)tracksC.At(iC);
908 if (TMath::Abs(aliTrack->GetZ()-medianZC)>kMaxZ) continue;
909 AliKFParticle part(*aliTrack,211);
914 if (TMath::Abs(cumulVertexA.X()-vertexA.X())>kMaxDvertex) flags+=64;
915 if (TMath::Abs(cumulVertexA.Y()-vertexA.Y())>kMaxDvertex) flags+=64;
916 if (TMath::Abs(cumulVertexA.Z()-vertexA.Z())>kMaxDvertex) flags+=64;
918 if (TMath::Abs(cumulVertexC.X()-vertexC.X())>kMaxDvertex) flags+=64;
919 if (TMath::Abs(cumulVertexC.Y()-vertexC.Y())>kMaxDvertex) flags+=64;
920 if (TMath::Abs(cumulVertexC.Z()-vertexC.Z())>kMaxDvertex) flags+=64;
923 if ( flags==0 && cumulVertexC.GetNDF()>kMinTracksVertex&&cumulVertexA.GetNDF()>kMinTracksVertex){
924 Double_t cont[2]={0,fTime};
926 cont[0]= cumulVertexA.X();
927 fTPCVertex[0]->Fill(cont);
928 cont[0]= cumulVertexC.X();
929 fTPCVertex[1]->Fill(cont);
930 cont[0]= 0.5*(cumulVertexA.X()-cumulVertexC.X());
931 fTPCVertex[2]->Fill(cont);
932 cont[0]= 0.5*(cumulVertexA.X()+cumulVertexC.X())-vertexSPD->GetX();
933 fTPCVertex[3]->Fill(cont);
935 cont[0]= cumulVertexA.Y();
936 fTPCVertex[4]->Fill(cont);
937 cont[0]= cumulVertexC.Y();
938 fTPCVertex[5]->Fill(cont);
939 cont[0]= 0.5*(cumulVertexA.Y()-cumulVertexC.Y());
940 fTPCVertex[6]->Fill(cont);
941 cont[0]= 0.5*(cumulVertexA.Y()+cumulVertexC.Y())-vertexSPD->GetY();
942 fTPCVertex[7]->Fill(cont);
945 cont[0]= 0.5*(cumulVertexA.Z()+cumulVertexC.Z());
946 fTPCVertex[8]->Fill(cont);
947 cont[0]= 0.5*(cumulVertexA.Z()-cumulVertexC.Z());
948 fTPCVertex[9]->Fill(cont);
949 cont[0]= 0.5*(cumulVertexA.Z()-cumulVertexC.Z());
950 fTPCVertex[10]->Fill(cont);
951 cont[0]= 0.5*(cumulVertexA.Z()+cumulVertexC.Z())-vertexSPD->GetZ();
952 fTPCVertex[11]->Fill(cont);
954 Double_t correl[2]={0,0};
956 correl[0]=cumulVertexC.Z();
957 correl[1]=cumulVertexA.Z();
958 fTPCVertexCorrelation[0]->Fill(correl); // fill A side :TPC
959 correl[0]=cumulVertexA.Z();
960 correl[1]=cumulVertexC.Z();
961 fTPCVertexCorrelation[1]->Fill(correl); // fill C side :TPC
963 correl[0]=vertexSPD->GetZ();
964 correl[1]=cumulVertexA.Z()-correl[0];
965 fTPCVertexCorrelation[2]->Fill(correl); // fill A side :ITS
966 correl[1]=cumulVertexC.Z()-correl[0];
967 fTPCVertexCorrelation[3]->Fill(correl); // fill C side :ITS
968 correl[1]=0.5*(cumulVertexA.Z()+cumulVertexC.Z())-correl[0];
969 fTPCVertexCorrelation[4]->Fill(correl); // fill C side :ITS
972 TTreeSRedirector *cstream = GetDebugStreamer();
975 TCut cutChi2= "sqrt(vA.fChi2/vA.fNDF+vC.fChi2/vC.fNDF)<10"; // chi2 Cut e.g 10
976 TCut cutXY= "sqrt((vA.fP[0]-vC.fP[0])^2+(vA.fP[0]-vC.fP[1])^2)<5"; // vertex Cut
977 TCut cutZ= "abs(vA.fP[2]-mZA)<3&&abs(vC.fP[2]-mZC)<5"; // vertex Cut
978 tree->Draw("sqrt(vA.fChi2/vA.fNDF)","sqrt(vA.fChi2/vA.fNDF)<100","")
983 (*cstream)<<"vertexTPC"<<
984 "flags="<<flags<< // rejection flags
985 "vSPD.="<<vertexSPD<< // SPD vertex
986 "vT.="<<vertexTracks<< // track vertex
987 "v.="<<vertex<< // esd vertex
988 "mZA="<<medianZA<< // median Z position at vertex A side
989 "mZC="<<medianZC<< // median Z position at vertex C side
990 "mDelta="<<medianDelta<< // median delta A side -C side
991 "counter="<<counterZ<< // counter Z
993 "vA.="<<&vertexA<< // vertex A side
994 "vC.="<<&vertexC<< // vertex C side
995 "cvA.="<<&cumulVertexA<< // cumulative vertex A side
996 "cvC.="<<&cumulVertexC<< // cumulative vertex C side
997 "cvAC.="<<&cumulVertexAC<< // cumulative vertex A+C side
998 "nA="<<ntracksA<< // contributors
999 "nC="<<ntracksC<< // contributors
1007 void AliTPCcalibTime::Analyze(){
1009 // Special macro to analyze result of calibration and extract calibration entries
1010 // Not yet ported to the Analyze function yet
1014 THnSparse* AliTPCcalibTime::GetHistoDrift(const char* name) const
1017 // Get histogram for given trigger mask
1019 TIterator* iterator = fArrayDz->MakeIterator();
1021 TString newName=name;
1023 THnSparse* newHist=new THnSparseF(newName,"HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
1024 THnSparse* addHist=NULL;
1025 while((addHist=(THnSparseF*)iterator->Next())){
1026 if(!addHist) continue;
1027 TString histName=addHist->GetName();
1028 if(!histName.Contains(newName)) continue;
1030 newHist->Add(addHist);
1035 TObjArray* AliTPCcalibTime::GetHistoDrift() const
1038 // return array of histograms
1043 TGraphErrors* AliTPCcalibTime::GetGraphDrift(const char* name){
1045 // Make a drift velocity (delta Z) graph
1047 THnSparse* histoDrift=GetHistoDrift(name);
1048 TGraphErrors* graphDrift=NULL;
1050 graphDrift=FitSlices(histoDrift,2,0,400,100,0.05,0.95, kTRUE);
1051 TString end=histoDrift->GetName();
1052 Int_t pos=end.Index("_");
1053 end=end(pos,end.Capacity()-pos);
1054 TString graphName=graphDrift->ClassName();
1056 graphName.ToUpper();
1057 graphDrift->SetName(graphName);
1062 TObjArray* AliTPCcalibTime::GetGraphDrift(){
1064 // make a array of drift graphs
1066 TObjArray* arrayGraphDrift=new TObjArray();
1067 TIterator* iterator=fArrayDz->MakeIterator();
1069 THnSparse* addHist=NULL;
1070 while((addHist=(THnSparseF*)iterator->Next())) arrayGraphDrift->AddLast(GetGraphDrift(addHist->GetName()));
1071 return arrayGraphDrift;
1074 AliSplineFit* AliTPCcalibTime::GetFitDrift(const char* name){
1076 // Make a fit AliSplinefit of drift velocity
1078 TGraph* graphDrift=GetGraphDrift(name);
1079 AliSplineFit* fitDrift=NULL;
1080 if(graphDrift && graphDrift->GetN()){
1081 fitDrift=new AliSplineFit();
1082 fitDrift->SetGraph(graphDrift);
1083 fitDrift->SetMinPoints(graphDrift->GetN()+1);
1084 fitDrift->InitKnots(graphDrift,2,0,0.001);
1085 fitDrift->SplineFit(0);
1086 TString end=graphDrift->GetName();
1087 Int_t pos=end.Index("_");
1088 end=end(pos,end.Capacity()-pos);
1089 TString fitName=fitDrift->ClassName();
1092 //fitDrift->SetName(fitName);
1100 Long64_t AliTPCcalibTime::Merge(TCollection *const li) {
1102 // Object specific merging procedure
1104 TIterator* iter = li->MakeIterator();
1105 AliTPCcalibTime* cal = 0;
1107 while ((cal = (AliTPCcalibTime*)iter->Next())) {
1108 if (!cal->InheritsFrom(AliTPCcalibTime::Class())) {
1109 Error("Merge","Attempt to add object of class %s to a %s", cal->ClassName(), this->ClassName());
1112 for (Int_t imeas=0; imeas<3; imeas++){
1113 if (cal->GetHistVdriftLaserA(imeas) && cal->GetHistVdriftLaserA(imeas)){
1114 fHistVdriftLaserA[imeas]->Add(cal->GetHistVdriftLaserA(imeas));
1115 fHistVdriftLaserC[imeas]->Add(cal->GetHistVdriftLaserC(imeas));
1119 if (fTPCVertexCorrelation && cal->fTPCVertexCorrelation){
1120 for (Int_t imeas=0; imeas<5; imeas++){
1121 if (fTPCVertexCorrelation[imeas] && cal->fTPCVertexCorrelation[imeas]) fTPCVertexCorrelation[imeas]->Add(cal->fTPCVertexCorrelation[imeas]);
1125 if (fTPCVertex && cal->fTPCVertex)
1126 for (Int_t imeas=0; imeas<12; imeas++){
1127 if (fTPCVertex[imeas] && cal->fTPCVertex[imeas]) fTPCVertex[imeas]->Add(cal->fTPCVertex[imeas]);
1130 if (fMemoryMode>0) for (Int_t imeas=0; imeas<5; imeas++){
1132 if ( cal->GetResHistoTPCCE(imeas) && cal->GetResHistoTPCCE(imeas)){
1133 fResHistoTPCCE[imeas]->Add(cal->fResHistoTPCCE[imeas]);
1135 fResHistoTPCCE[imeas]=(THnSparse*)cal->fResHistoTPCCE[imeas]->Clone();
1139 if ((fMemoryMode>0) &&cal->GetResHistoTPCITS(imeas) && cal->GetResHistoTPCITS(imeas)){
1140 if (fMemoryMode>1 || (imeas%2)==1) fResHistoTPCITS[imeas]->Add(cal->fResHistoTPCITS[imeas]);
1141 if (fMemoryMode>1) fResHistoTPCvertex[imeas]->Add(cal->fResHistoTPCvertex[imeas]);
1144 if ((fMemoryMode>1) && cal->fResHistoTPCTRD[imeas]){
1145 if (fResHistoTPCTRD[imeas])
1146 fResHistoTPCTRD[imeas]->Add(cal->fResHistoTPCTRD[imeas]);
1148 fResHistoTPCTRD[imeas]=(THnSparse*)cal->fResHistoTPCTRD[imeas]->Clone();
1151 if ((fMemoryMode>1) && cal->fResHistoTPCTOF[imeas]){
1152 if (fResHistoTPCTOF[imeas])
1153 fResHistoTPCTOF[imeas]->Add(cal->fResHistoTPCTOF[imeas]);
1155 fResHistoTPCTOF[imeas]=(THnSparse*)cal->fResHistoTPCTOF[imeas]->Clone();
1158 if (cal->fArrayLaserA){
1159 fArrayLaserA->Expand(fArrayLaserA->GetEntriesFast()+cal->fArrayLaserA->GetEntriesFast());
1160 fArrayLaserC->Expand(fArrayLaserC->GetEntriesFast()+cal->fArrayLaserC->GetEntriesFast());
1161 for (Int_t ical=0; ical<cal->fArrayLaserA->GetEntriesFast(); ical++){
1162 if (cal->fArrayLaserA->UncheckedAt(ical)) fArrayLaserA->AddLast(cal->fArrayLaserA->UncheckedAt(ical)->Clone());
1163 if (cal->fArrayLaserC->UncheckedAt(ical)) fArrayLaserC->AddLast(cal->fArrayLaserC->UncheckedAt(ical)->Clone());
1168 TObjArray* addArray=cal->GetHistoDrift();
1169 if(!addArray) return 0;
1170 TIterator* iterator = addArray->MakeIterator();
1172 THnSparse* addHist=NULL;
1173 if ((fMemoryMode>1)) while((addHist=(THnSparseF*)iterator->Next())){
1174 if(!addHist) continue;
1176 THnSparse* localHist=(THnSparseF*)fArrayDz->FindObject(addHist->GetName());
1178 localHist=new THnSparseF(addHist->GetName(),"HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
1179 fArrayDz->AddLast(localHist);
1181 localHist->Add(addHist);
1184 for(Int_t i=0;i<10;i++) if (cal->GetCosmiMatchingHisto(i)) fCosmiMatchingHisto[i]->Add(cal->GetCosmiMatchingHisto(i));
1188 for (Int_t itype=0; itype<3; itype++){
1193 if (itype==0) {arr0=fAlignITSTPC; arr1=cal->fAlignITSTPC;}
1194 if (itype==1) {arr0=fAlignTRDTPC; arr1=cal->fAlignTRDTPC;}
1195 if (itype==2) {arr0=fAlignTOFTPC; arr1=cal->fAlignTOFTPC;}
1196 if (!arr1) continue;
1197 if (!arr0) arr0=new TObjArray(arr1->GetEntriesFast());
1198 if (arr1->GetEntriesFast()>arr0->GetEntriesFast()){
1199 arr0->Expand(arr1->GetEntriesFast());
1201 for (Int_t i=0;i<arr1->GetEntriesFast(); i++){
1202 AliRelAlignerKalman *kalman1 = (AliRelAlignerKalman *)arr1->UncheckedAt(i);
1203 AliRelAlignerKalman *kalman0 = (AliRelAlignerKalman *)arr0->UncheckedAt(i);
1204 if (!kalman1) continue;
1205 if (!kalman0) {arr0->AddAt(new AliRelAlignerKalman(*kalman1),i); continue;}
1206 kalman0->SetRejectOutliers(kFALSE);
1207 kalman0->Merge(kalman1);
1215 Bool_t AliTPCcalibTime::IsPair(AliExternalTrackParam *tr0, AliExternalTrackParam *tr1){
1217 // 0. Same direction - OPOSITE - cutDir +cutT
1218 TCut cutDir("cutDir","dir<-0.99")
1220 TCut cutT("cutT","abs(Tr1.fP[3]+Tr0.fP[3])<0.03")
1223 TCut cutD("cutD","abs(Tr0.fP[0]+Tr1.fP[0])<5")
1225 TCut cutPt("cutPt","abs(Tr1.fP[4]+Tr0.fP[4])<1&&abs(Tr0.fP[4])+abs(Tr1.fP[4])<10");
1228 const Double_t *p0 = tr0->GetParameter();
1229 const Double_t *p1 = tr1->GetParameter();
1230 fCosmiMatchingHisto[0]->Fill(p0[0]+p1[0]);
1231 fCosmiMatchingHisto[1]->Fill(p0[1]-p1[1]);
1232 fCosmiMatchingHisto[2]->Fill(tr1->GetAlpha()-tr0->GetAlpha()+TMath::Pi());
1233 fCosmiMatchingHisto[3]->Fill(p0[3]+p1[3]);
1234 fCosmiMatchingHisto[4]->Fill(p0[4]+p1[4]);
1236 if (TMath::Abs(p0[3]+p1[3])>fCutTheta) return kFALSE;
1237 if (TMath::Abs(p0[0]+p1[0])>fCutMaxD) return kFALSE;
1238 if (TMath::Abs(p0[1]-p1[1])>fCutMaxDz) return kFALSE;
1239 Double_t d0[3], d1[3];
1240 tr0->GetDirection(d0);
1241 tr1->GetDirection(d1);
1242 if (d0[0]*d1[0] + d0[1]*d1[1] + d0[2]*d1[2] >fCutMinDir) return kFALSE;
1244 fCosmiMatchingHisto[5]->Fill(p0[0]+p1[0]);
1245 fCosmiMatchingHisto[6]->Fill(p0[1]-p1[1]);
1246 fCosmiMatchingHisto[7]->Fill(tr1->GetAlpha()-tr0->GetAlpha()+TMath::Pi());
1247 fCosmiMatchingHisto[8]->Fill(p0[3]+p1[3]);
1248 fCosmiMatchingHisto[9]->Fill(p0[4]+p1[4]);
1252 Bool_t AliTPCcalibTime::IsCross(AliESDtrack *const tr0, AliESDtrack *const tr1){
1254 // check if the cosmic pair of tracks crossed A/C side
1256 Bool_t result= tr0->GetOuterParam()->GetZ()*tr1->GetOuterParam()->GetZ()<0;
1257 if (result==kFALSE) return result;
1262 Bool_t AliTPCcalibTime::IsSame(AliESDtrack *const tr0, AliESDtrack *const tr1){
1264 // track crossing the CE
1265 // 0. minimal number of clusters
1266 // 1. Same sector +-1
1267 // 2. Inner and outer track param on opposite side
1268 // 3. Outer and inner track parameter close each to other
1270 Bool_t result=kTRUE;
1272 // inner and outer on opposite sides in z
1274 const Int_t knclCut0 = 30;
1275 const Double_t kalphaCut = 0.4;
1277 // 0. minimal number of clusters
1279 if (tr0->GetTPCNcls()<knclCut0) return kFALSE;
1280 if (tr1->GetTPCNcls()<knclCut0) return kFALSE;
1282 // 1. alpha cut - sector+-1
1284 if (TMath::Abs(tr0->GetOuterParam()->GetAlpha()-tr1->GetOuterParam()->GetAlpha())>kalphaCut) return kFALSE;
1288 if (tr0->GetOuterParam()->GetZ()*tr0->GetInnerParam()->GetZ()>0) result&=kFALSE;
1289 if (tr1->GetOuterParam()->GetZ()*tr1->GetInnerParam()->GetZ()>0) result&=kFALSE;
1290 if (result==kFALSE){
1295 const Double_t *p0I = tr0->GetInnerParam()->GetParameter();
1296 const Double_t *p1I = tr1->GetInnerParam()->GetParameter();
1297 const Double_t *p0O = tr0->GetOuterParam()->GetParameter();
1298 const Double_t *p1O = tr1->GetOuterParam()->GetParameter();
1300 if (TMath::Abs(p0I[0]-p1I[0])>fCutMaxD) result&=kFALSE;
1301 if (TMath::Abs(p0I[1]-p1I[1])>fCutMaxDz) result&=kFALSE;
1302 if (TMath::Abs(p0I[2]-p1I[2])>fCutTheta) result&=kFALSE;
1303 if (TMath::Abs(p0I[3]-p1I[3])>fCutTheta) result&=kFALSE;
1304 if (TMath::Abs(p0O[0]-p1O[0])>fCutMaxD) result&=kFALSE;
1305 if (TMath::Abs(p0O[1]-p1O[1])>fCutMaxDz) result&=kFALSE;
1306 if (TMath::Abs(p0O[2]-p1O[2])>fCutTheta) result&=kFALSE;
1307 if (TMath::Abs(p0O[3]-p1O[3])>fCutTheta) result&=kFALSE;
1309 result=kTRUE; // just to put break point here
1315 void AliTPCcalibTime::ProcessSame(AliESDtrack *const track, AliESDfriendTrack *const friendTrack, const AliESDEvent *const event){
1317 // Process TPC tracks crossing CE
1319 // 0. Select only track crossing the CE
1320 // 1. Cut on the track length
1321 // 2. Refit the the track on A and C side separatelly
1322 // 3. Fill time histograms
1323 const Int_t kMinNcl=100;
1324 const Int_t kMinNclS=25; // minimul number of clusters on the sides
1325 const Double_t pimass=TDatabasePDG::Instance()->GetParticle("pi+")->Mass();
1326 const Double_t kMaxDy=1; // maximal distance in y
1327 const Double_t kMaxDsnp=0.05; // maximal distance in snp
1328 const Double_t kMaxDtheta=0.05; // maximal distance in theta
1330 if (!friendTrack->GetTPCOut()) return;
1332 // 0. Select only track crossing the CE
1334 if (track->GetInnerParam()->GetZ()*friendTrack->GetTPCOut()->GetZ()>0) return;
1336 // 1. cut on track length
1338 if (track->GetTPCNcls()<kMinNcl) return;
1340 // 2. Refit track sepparatel on A and C side
1342 TObject *calibObject;
1343 AliTPCseed *seed = 0;
1344 for (Int_t l=0;(calibObject=friendTrack->GetCalibObject(l));++l) {
1345 if ((seed=dynamic_cast<AliTPCseed*>(calibObject))) break;
1349 AliExternalTrackParam trackIn(*track->GetInnerParam());
1350 AliExternalTrackParam trackOut(*track->GetOuterParam());
1351 Double_t cov[3]={0.01,0.,0.01}; //use the same errors
1352 Double_t xyz[3]={0,0.,0.0};
1354 Int_t nclIn=0,nclOut=0;
1355 trackIn.ResetCovariance(1000.);
1356 trackOut.ResetCovariance(1000.);
1361 for (Int_t irow=0;irow<159;irow++) {
1362 AliTPCclusterMI *cl=seed->GetClusterPointer(irow);
1364 if (cl->GetX()<80) continue;
1366 if (cl->GetDetector()%36<18) sideIn=1;
1367 if (cl->GetDetector()%36>=18) sideIn=-1;
1369 if (sideIn== -1 && (cl->GetDetector()%36)<18) break;
1370 if (sideIn== 1 &&(cl->GetDetector()%36)>=18) break;
1371 Int_t sector = cl->GetDetector();
1372 Float_t dalpha = TMath::DegToRad()*(sector%18*20.+10.)-trackIn.GetAlpha();
1373 if (TMath::Abs(dalpha)>0.01){
1374 if (!trackIn.Rotate(TMath::DegToRad()*(sector%18*20.+10.))) break;
1376 Double_t r[3]={cl->GetX(),cl->GetY(),cl->GetZ()};
1377 trackIn.GetXYZ(xyz);
1378 bz = AliTracker::GetBz(xyz);
1379 AliTracker::PropagateTrackToBxByBz(&trackIn,r[0],1.,pimass,kFALSE);
1380 if (!trackIn.PropagateTo(r[0],bz)) break;
1382 trackIn.Update(&r[1],cov);
1388 for (Int_t irow=159;irow>0;irow--) {
1389 AliTPCclusterMI *cl=seed->GetClusterPointer(irow);
1391 if (cl->GetX()<80) continue;
1393 if (cl->GetDetector()%36<18) sideOut=1;
1394 if (cl->GetDetector()%36>=18) sideOut=-1;
1395 if (sideIn==sideOut) break;
1397 if (sideOut== -1 && (cl->GetDetector()%36)<18) break;
1398 if (sideOut== 1 &&(cl->GetDetector()%36)>=18) break;
1400 Int_t sector = cl->GetDetector();
1401 Float_t dalpha = TMath::DegToRad()*(sector%18*20.+10.)-trackOut.GetAlpha();
1402 if (TMath::Abs(dalpha)>0.01){
1403 if (!trackOut.Rotate(TMath::DegToRad()*(sector%18*20.+10.))) break;
1405 Double_t r[3]={cl->GetX(),cl->GetY(),cl->GetZ()};
1406 trackOut.GetXYZ(xyz);
1407 bz = AliTracker::GetBz(xyz);
1408 AliTracker::PropagateTrackToBxByBz(&trackOut,r[0],1.,pimass,kFALSE);
1409 if (!trackOut.PropagateTo(r[0],bz)) break;
1411 trackOut.Update(&r[1],cov);
1413 trackOut.Rotate(trackIn.GetAlpha());
1414 Double_t meanX = (trackIn.GetX()+trackOut.GetX())*0.5;
1415 trackIn.PropagateTo(meanX,bz);
1416 trackOut.PropagateTo(meanX,bz);
1417 if (TMath::Abs(trackIn.GetY()-trackOut.GetY())>kMaxDy) return;
1418 if (TMath::Abs(trackIn.GetSnp()-trackOut.GetSnp())>kMaxDsnp) return;
1419 if (TMath::Abs(trackIn.GetTgl()-trackOut.GetTgl())>kMaxDtheta) return;
1420 if (TMath::Min(nclIn,nclOut)>kMinNclS){
1421 FillResHistoTPCCE(&trackIn,&trackOut);
1423 TTreeSRedirector *cstream = GetDebugStreamer();
1426 trackIn.GetXYZ(gxyz.GetMatrixArray());
1427 TTimeStamp tstamp(fTime);
1428 (*cstream)<<"tpctpc"<<
1429 "run="<<fRun<< // run number
1430 "event="<<fEvent<< // event number
1431 "time="<<fTime<< // time stamp of event
1432 "trigger="<<fTrigger<< // trigger
1433 "mag="<<fMagF<< // magnetic field
1435 "sideIn="<<sideIn<< // side at inner part
1436 "sideOut="<<sideOut<< // side at puter part
1437 "xyz.="<<&gxyz<< // global position
1438 "tIn.="<<&trackIn<< // refitterd track in
1439 "tOut.="<<&trackOut<< // refitter track out
1440 "nclIn="<<nclIn<< //
1441 "nclOut="<<nclOut<< //
1445 // 3. Fill time histograms
1446 // Debug stremaer expression
1447 // chainTPCTPC->Draw("(tIn.fP[1]-tOut.fP[1])*sign(-tIn.fP[3]):tIn.fP[3]","min(nclIn,nclOut)>30","")
1448 if (TMath::Min(nclIn,nclOut)>kMinNclS){
1449 fDz = trackOut.GetZ()-trackIn.GetZ();
1450 if (trackOut.GetTgl()<0) fDz*=-1.;
1451 TTimeStamp tstamp(fTime);
1452 Double_t ptrelative0 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,0);
1453 Double_t ptrelative1 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,1);
1454 Double_t vecDrift[4]={fTime,(ptrelative0+ptrelative1)/2.0,fDz/500.0,event->GetRunNumber()};
1456 // fill histograms per trigger class and itegrated
1458 THnSparse* curHist=NULL;
1459 for (Int_t itype=0; itype<2; itype++){
1460 TString name="MEAN_VDRIFT_CROSS_";
1462 name+=event->GetFiredTriggerClasses();
1467 curHist=(THnSparseF*)fArrayDz->FindObject(name);
1469 curHist=new THnSparseF(name,"HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
1470 fArrayDz->AddLast(curHist);
1472 curHist->Fill(vecDrift);
1478 void AliTPCcalibTime::ProcessAlignITS(AliESDtrack *const track, AliESDfriendTrack *const friendTrack, const AliESDEvent *const event, AliESDfriend *const esdFriend){
1480 // Process track - Update TPC-ITS alignment
1482 // 0. Apply standartd cuts
1483 // 1. Recalucluate the current statistic median/RMS
1484 // 2. Apply median+-rms cut
1485 // 3. Update kalman filter
1487 const Int_t kMinTPC = 80; // minimal number of TPC cluster
1488 const Int_t kMinITS = 3; // minimal number of ITS cluster
1489 const Double_t kMinZ = 10; // maximal dz distance
1490 const Double_t kMaxDy = 2.; // maximal dy distance
1491 const Double_t kMaxAngle= 0.07; // maximal angular distance
1492 const Double_t kSigmaCut= 5; // maximal sigma distance to median
1493 const Double_t kVdErr = 0.1; // initial uncertainty of the vd correction
1494 const Double_t kT0Err = 3.; // initial uncertainty of the T0 time
1495 const Double_t kVdYErr = 0.05; // initial uncertainty of the vd correction
1496 const Double_t kOutCut = 1.0; // outlyer cut in AliRelAlgnmentKalman
1497 const Double_t kMinPt = 0.3; // minimal pt
1498 const Double_t kMax1Pt=0.5; //maximal 1/pt distance
1499 const Int_t kN=50; // deepnes of history
1500 static Int_t kglast=0;
1501 static Double_t* kgdP[4]={new Double_t[kN], new Double_t[kN], new Double_t[kN], new Double_t[kN]};
1503 // 0. Apply standard cuts
1505 Int_t dummycl[1000];
1506 if (track->GetTPCNcls()<kMinTPC) return; // minimal amount of clusters cut
1507 if (!track->IsOn(AliESDtrack::kTPCrefit)) return;
1508 if (!track->GetInnerParam()) return;
1509 if (!track->GetOuterParam()) return;
1510 if (track->GetInnerParam()->Pt()<kMinPt) return;
1511 // exclude crossing track
1512 if (track->GetOuterParam()->GetZ()*track->GetInnerParam()->GetZ()<0) return;
1513 if (TMath::Abs(track->GetInnerParam()->GetZ())<kMinZ/3.) return;
1514 if (track->GetInnerParam()->GetX()>90) return;
1516 AliExternalTrackParam &pTPC=(AliExternalTrackParam &)(*(track->GetInnerParam()));
1518 AliExternalTrackParam pITS; // ITS standalone if possible
1519 AliExternalTrackParam pITS2; //TPC-ITS track
1520 if (friendTrack->GetITSOut()){
1521 pITS2=(*(friendTrack->GetITSOut())); //TPC-ITS track - snapshot ITS out
1522 pITS2.Rotate(pTPC.GetAlpha());
1523 AliTracker::PropagateTrackToBxByBz(&pITS2,pTPC.GetX(),0.1,0.1,kFALSE);
1526 AliESDfriendTrack *itsfriendTrack=0;
1528 // try to find standalone ITS track corresponing to the TPC if possible
1530 Bool_t hasAlone=kFALSE;
1531 Int_t ntracks=event->GetNumberOfTracks();
1532 for (Int_t i=0; i<ntracks; i++){
1533 AliESDtrack * trackITS = event->GetTrack(i);
1534 if (!trackITS) continue;
1535 if (trackITS->GetITSclusters(dummycl)<kMinITS) continue; // minimal amount of clusters
1536 itsfriendTrack = esdFriend->GetTrack(i);
1537 if (!itsfriendTrack) continue;
1538 if (!itsfriendTrack->GetITSOut()) continue;
1540 if (TMath::Abs(pTPC.GetTgl()-itsfriendTrack->GetITSOut()->GetTgl())> kMaxAngle) continue;
1541 if (TMath::Abs(pTPC.GetSigned1Pt()-itsfriendTrack->GetITSOut()->GetSigned1Pt())> kMax1Pt) continue;
1542 pITS=(*(itsfriendTrack->GetITSOut()));
1544 pITS.Rotate(pTPC.GetAlpha());
1545 AliTracker::PropagateTrackToBxByBz(&pITS,pTPC.GetX(),0.1,0.1,kFALSE);
1546 if (TMath::Abs(pTPC.GetY()-pITS.GetY())> kMaxDy) continue;
1547 if (TMath::Abs(pTPC.GetSnp()-pITS.GetSnp())> kMaxAngle) continue;
1551 if (track->GetITSclusters(dummycl)<kMinITS) return;
1552 pITS=pITS2; // use combined track if it has ITS
1555 if (TMath::Abs(pITS.GetY()-pTPC.GetY()) >kMaxDy) return;
1556 if (TMath::Abs(pITS.GetSnp()-pTPC.GetSnp())>kMaxAngle) return;
1557 if (TMath::Abs(pITS.GetTgl()-pTPC.GetTgl())>kMaxAngle) return;
1559 // 1. Update median and RMS info
1561 TVectorD vecDelta(5),vecMedian(5), vecRMS(5);
1562 TVectorD vecDeltaN(5);
1563 Double_t sign=(pITS.GetParameter()[1]>0)? 1.:-1.;
1565 for (Int_t i=0;i<4;i++){
1566 vecDelta[i]=(pITS.GetParameter()[i]-pTPC.GetParameter()[i])*sign;
1567 kgdP[i][kglast%kN]=vecDelta[i];
1570 Int_t entries=(kglast<kN)?kglast:kN;
1571 for (Int_t i=0;i<4;i++){
1572 vecMedian[i] = TMath::Median(entries,kgdP[i]);
1573 vecRMS[i] = TMath::RMS(entries,kgdP[i]);
1576 vecDeltaN[i] = (vecDelta[i]-vecMedian[i])/vecRMS[i];
1577 vecDeltaN[4]+= TMath::Abs(vecDeltaN[i]); //sum of abs residuals
1581 // 2. Apply median+-rms cut
1583 if (kglast<3) return; //median and RMS to be defined
1584 if ( vecDeltaN[4]/4.>kSigmaCut) return;
1586 // 3. Update alignment
1588 Int_t htime = (fTime-fTimeKalmanBin/2)/fTimeKalmanBin; //time bins number
1589 if (fAlignITSTPC->GetEntriesFast()<htime){
1590 fAlignITSTPC->Expand(htime*2+20);
1592 AliRelAlignerKalman* align = (AliRelAlignerKalman*)fAlignITSTPC->At(htime);
1594 // make Alignment object if doesn't exist
1595 align=new AliRelAlignerKalman();
1596 align->SetRunNumber(fRun);
1597 (*align->GetStateCov())(6,6)=kVdErr*kVdErr;
1598 (*align->GetStateCov())(7,7)=kT0Err*kT0Err;
1599 (*align->GetStateCov())(8,8)=kVdYErr*kVdYErr;
1600 align->SetOutRejSigma(kOutCut+kOutCut*kN);
1601 align->SetRejectOutliers(kFALSE);
1603 align->SetTPCvd(AliTPCcalibDB::Instance()->GetParameters()->GetDriftV()/1000000.);
1604 align->SetMagField(fMagF);
1605 fAlignITSTPC->AddAt(align,htime);
1607 align->AddTrackParams(&pITS,&pTPC);
1608 Double_t averageTime = fTime;
1609 if (align->GetTimeStamp()>0&&align->GetNUpdates()>0){
1610 averageTime=((Double_t(align->GetTimeStamp())*Double_t(align->GetNUpdates())+Double_t(fTime)))/(Double_t(align->GetNUpdates())+1.);
1612 align->SetTimeStamp(Int_t(averageTime));
1614 align->SetRunNumber(fRun );
1615 Float_t dca[2],cov[3];
1616 track->GetImpactParameters(dca,cov);
1617 if (TMath::Abs(dca[0])<kMaxDy){
1618 FillResHistoTPCITS(&pTPC,&pITS);
1619 FillResHistoTPC(track);
1622 Int_t nupdates=align->GetNUpdates();
1623 align->SetOutRejSigma(kOutCut+kOutCut*kN/Double_t(nupdates));
1624 align->SetRejectOutliers(kFALSE);
1625 TTreeSRedirector *cstream = GetDebugStreamer();
1626 if (cstream && align->GetState() && align->GetState()->GetNrows()>2 ){
1627 TVectorD gpTPC(3), gdTPC(3);
1628 TVectorD gpITS(3), gdITS(3);
1629 pTPC.GetXYZ(gpTPC.GetMatrixArray());
1630 pTPC.GetDirection(gdTPC.GetMatrixArray());
1631 pITS.GetXYZ(gpITS.GetMatrixArray());
1632 pITS.GetDirection(gdITS.GetMatrixArray());
1633 (*cstream)<<"itstpc"<<
1634 "run="<<fRun<< // run number
1635 "event="<<fEvent<< // event number
1636 "time="<<fTime<< // time stamp of event
1637 "trigger="<<fTrigger<< // trigger
1638 "mag="<<fMagF<< // magnetic field
1640 "hasAlone="<<hasAlone<< // has ITS standalone ?
1641 "track.="<<track<< // track info
1642 "nmed="<<kglast<< // number of entries to define median and RMS
1643 "vMed.="<<&vecMedian<< // median of deltas
1644 "vRMS.="<<&vecRMS<< // rms of deltas
1645 "vDelta.="<<&vecDelta<< // delta in respect to median
1646 "vDeltaN.="<<&vecDeltaN<< // normalized delta in respect to median
1647 "t.="<<track<< // ful track - find proper cuts
1648 "a.="<<align<< // current alignment
1649 "pITS.="<<&pITS<< // track param ITS
1650 "pITS2.="<<&pITS2<< // track param ITS+TPC
1651 "pTPC.="<<&pTPC<< // track param TPC
1652 "gpTPC.="<<&gpTPC<< // global position TPC
1653 "gdTPC.="<<&gdTPC<< // global direction TPC
1654 "gpITS.="<<&gpITS<< // global position ITS
1655 "gdITS.="<<&gdITS<< // global position ITS
1663 void AliTPCcalibTime::ProcessAlignTRD(AliESDtrack *const track, AliESDfriendTrack *const friendTrack){
1665 // Process track - Update TPC-TRD alignment
1667 // 0. Apply standartd cuts
1668 // 1. Recalucluate the current statistic median/RMS
1669 // 2. Apply median+-rms cut
1670 // 3. Update kalman filter
1672 const Int_t kMinTPC = 80; // minimal number of TPC cluster
1673 const Int_t kMinTRD = 50; // minimal number of TRD cluster
1674 const Double_t kMinZ = 20; // maximal dz distance
1675 const Double_t kMaxDy = 5.; // maximal dy distance
1676 const Double_t kMaxAngle= 0.1; // maximal angular distance
1677 const Double_t kSigmaCut= 10; // maximal sigma distance to median
1678 const Double_t kVdErr = 0.1; // initial uncertainty of the vd correction
1679 const Double_t kT0Err = 3.; // initial uncertainty of the T0 time
1680 const Double_t kVdYErr = 0.05; // initial uncertainty of the vd correction
1681 const Double_t kOutCut = 1.0; // outlyer cut in AliRelAlgnmentKalman
1682 const Double_t kRefX = 275; // reference X
1683 const Int_t kN=50; // deepnes of history
1684 static Int_t kglast=0;
1685 static Double_t* kgdP[4]={new Double_t[kN], new Double_t[kN], new Double_t[kN], new Double_t[kN]};
1687 // 0. Apply standard cuts
1689 Int_t dummycl[1000];
1690 if (track->GetTRDclusters(dummycl)<kMinTRD) return; // minimal amount of clusters
1691 if (track->GetTPCNcls()<kMinTPC) return; // minimal amount of clusters cut
1692 if (!friendTrack->GetTRDIn()) return;
1693 if (!track->IsOn(AliESDtrack::kTRDrefit)) return;
1694 if (!track->IsOn(AliESDtrack::kTRDout)) return;
1695 if (!track->GetInnerParam()) return;
1696 if (!friendTrack->GetTPCOut()) return;
1697 // exclude crossing track
1698 if (friendTrack->GetTPCOut()->GetZ()*track->GetInnerParam()->GetZ()<0) return;
1699 if (TMath::Abs(track->GetInnerParam()->GetZ())<kMinZ) return;
1701 AliExternalTrackParam &pTPC=(AliExternalTrackParam &)(*(friendTrack->GetTPCOut()));
1702 AliTracker::PropagateTrackToBxByBz(&pTPC,kRefX,0.1,0.1,kFALSE);
1703 AliExternalTrackParam pTRD(*(friendTrack->GetTRDIn()));
1704 pTRD.Rotate(pTPC.GetAlpha());
1705 // pTRD.PropagateTo(pTPC.GetX(),fMagF);
1706 AliTracker::PropagateTrackToBxByBz(&pTRD,pTPC.GetX(),0.1,0.1,kFALSE);
1708 ((Double_t*)pTRD.GetCovariance())[2]+=3.*3.; // increas sys errors
1709 ((Double_t*)pTRD.GetCovariance())[9]+=0.1*0.1; // increse sys errors
1711 if (TMath::Abs(pTRD.GetY()-pTPC.GetY()) >kMaxDy) return;
1712 if (TMath::Abs(pTRD.GetSnp()-pTPC.GetSnp())>kMaxAngle) return;
1713 // if (TMath::Abs(pTRD.GetTgl()-pTPC.GetTgl())>kMaxAngle) return;
1715 // 1. Update median and RMS info
1717 TVectorD vecDelta(5),vecMedian(5), vecRMS(5);
1718 TVectorD vecDeltaN(5);
1719 Double_t sign=(pTRD.GetParameter()[1]>0)? 1.:-1.;
1721 for (Int_t i=0;i<4;i++){
1722 vecDelta[i]=(pTRD.GetParameter()[i]-pTPC.GetParameter()[i])*sign;
1723 kgdP[i][kglast%kN]=vecDelta[i];
1726 Int_t entries=(kglast<kN)?kglast:kN;
1727 for (Int_t i=0;i<4;i++){
1728 vecMedian[i] = TMath::Median(entries,kgdP[i]);
1730 vecRMS[i] = TMath::RMS(entries,kgdP[i]);
1733 vecDeltaN[i] = (vecDelta[i]-vecMedian[i])/vecRMS[i];
1734 vecDeltaN[4]+= TMath::Abs(vecDeltaN[i]); //sum of abs residuals
1738 // 2. Apply median+-rms cut
1740 if (kglast<3) return; //median and RMS to be defined
1741 if ( vecDeltaN[4]/4.>kSigmaCut) return;
1743 // 3. Update alignment
1745 //Int_t htime = fTime/3600; //time in hours
1746 Int_t htime = (Int_t)(fTime-fTimeKalmanBin/2)/fTimeKalmanBin; //time in half hour
1747 if (fAlignTRDTPC->GetEntriesFast()<htime){
1748 fAlignTRDTPC->Expand(htime*2+20);
1750 AliRelAlignerKalman* align = (AliRelAlignerKalman*)fAlignTRDTPC->At(htime);
1752 // make Alignment object if doesn't exist
1753 align=new AliRelAlignerKalman();
1754 align->SetRunNumber(fRun);
1755 (*align->GetStateCov())(6,6)=kVdErr*kVdErr;
1756 (*align->GetStateCov())(7,7)=kT0Err*kT0Err;
1757 (*align->GetStateCov())(8,8)=kVdYErr*kVdYErr;
1758 align->SetOutRejSigma(kOutCut+kOutCut*kN);
1759 align->SetRejectOutliers(kFALSE);
1760 align->SetTPCvd(AliTPCcalibDB::Instance()->GetParameters()->GetDriftV()/1000000.);
1761 align->SetMagField(fMagF);
1762 fAlignTRDTPC->AddAt(align,htime);
1764 align->AddTrackParams(&pTRD,&pTPC);
1765 //align->SetTimeStamp(fTime);
1766 Double_t averageTime = fTime;
1767 if (align->GetTimeStamp()>0 && align->GetNUpdates()>0) {
1768 averageTime = (((Double_t)fTime) + ((Double_t)align->GetTimeStamp())*align->GetNUpdates()) / (align->GetNUpdates() + 1.);
1769 //printf("align->GetTimeStamp() %d, align->GetNUpdates() %d \n", align->GetTimeStamp(), align->GetNUpdates());
1771 align->SetTimeStamp((Int_t)averageTime);
1773 //printf("fTime %d, averageTime %d \n", fTime, (Int_t)averageTime);
1775 align->SetRunNumber(fRun );
1776 Float_t dca[2],cov[3];
1777 track->GetImpactParameters(dca,cov);
1778 if (TMath::Abs(dca[0])<kMaxDy){
1779 FillResHistoTPCTRD(&pTPC,&pTRD); //only primaries
1782 Int_t nupdates=align->GetNUpdates();
1783 align->SetOutRejSigma(kOutCut+kOutCut*kN/Double_t(nupdates));
1784 align->SetRejectOutliers(kFALSE);
1785 TTreeSRedirector *cstream = GetDebugStreamer();
1786 if (cstream && align->GetState() && align->GetState()->GetNrows()>2 ){
1787 TVectorD gpTPC(3), gdTPC(3);
1788 TVectorD gpTRD(3), gdTRD(3);
1789 pTPC.GetXYZ(gpTPC.GetMatrixArray());
1790 pTPC.GetDirection(gdTPC.GetMatrixArray());
1791 pTRD.GetXYZ(gpTRD.GetMatrixArray());
1792 pTRD.GetDirection(gdTRD.GetMatrixArray());
1793 (*cstream)<<"trdtpc"<<
1794 "run="<<fRun<< // run number
1795 "event="<<fEvent<< // event number
1796 "time="<<fTime<< // time stamp of event
1797 "trigger="<<fTrigger<< // trigger
1798 "mag="<<fMagF<< // magnetic field
1800 "nmed="<<kglast<< // number of entries to define median and RMS
1801 "vMed.="<<&vecMedian<< // median of deltas
1802 "vRMS.="<<&vecRMS<< // rms of deltas
1803 "vDelta.="<<&vecDelta<< // delta in respect to median
1804 "vDeltaN.="<<&vecDeltaN<< // normalized delta in respect to median
1805 "t.="<<track<< // ful track - find proper cuts
1806 "a.="<<align<< // current alignment
1807 "pTRD.="<<&pTRD<< // track param TRD
1808 "pTPC.="<<&pTPC<< // track param TPC
1809 "gpTPC.="<<&gpTPC<< // global position TPC
1810 "gdTPC.="<<&gdTPC<< // global direction TPC
1811 "gpTRD.="<<&gpTRD<< // global position TRD
1812 "gdTRD.="<<&gdTRD<< // global position TRD
1818 void AliTPCcalibTime::ProcessAlignTOF(AliESDtrack *const track, AliESDfriendTrack *const friendTrack){
1821 // Process track - Update TPC-TOF alignment
1823 // -1. Make a TOF "track"
1824 // 0. Apply standartd cuts
1825 // 1. Recalucluate the current statistic median/RMS
1826 // 2. Apply median+-rms cut
1827 // 3. Update kalman filter
1829 const Int_t kMinTPC = 80; // minimal number of TPC cluster
1830 // const Double_t kMinZ = 10; // maximal dz distance
1831 const Double_t kMaxDy = 5.; // maximal dy distance
1832 const Double_t kMaxAngle= 0.05; // maximal angular distance
1833 const Double_t kSigmaCut= 5; // maximal sigma distance to median
1834 const Double_t kVdErr = 0.1; // initial uncertainty of the vd correction
1835 const Double_t kT0Err = 3.; // initial uncertainty of the T0 time
1836 const Double_t kVdYErr = 0.05; // initial uncertainty of the vd correction
1838 const Double_t kOutCut = 1.0; // outlyer cut in AliRelAlgnmentKalman
1839 const Int_t kN=50; // deepnes of history
1840 static Int_t kglast=0;
1841 static Double_t* kgdP[4]={new Double_t[kN], new Double_t[kN], new Double_t[kN], new Double_t[kN]};
1843 // -1. Make a TOF track-
1844 // Clusters are not in friends - use alingment points
1846 if (track->GetTOFsignal()<=0) return;
1847 if (!friendTrack->GetTPCOut()) return;
1848 if (!track->GetInnerParam()) return;
1849 if (!friendTrack->GetTPCOut()) return;
1850 const AliTrackPointArray *points=friendTrack->GetTrackPointArray();
1851 if (!points) return;
1852 AliExternalTrackParam pTPC(*(friendTrack->GetTPCOut()));
1853 AliExternalTrackParam pTOF(pTPC);
1854 Double_t mass = TDatabasePDG::Instance()->GetParticle("mu+")->Mass();
1855 Int_t npoints = points->GetNPoints();
1856 AliTrackPoint point;
1859 for (Int_t ipoint=0;ipoint<npoints;ipoint++){
1860 points->GetPoint(point,ipoint);
1863 Double_t r=TMath::Sqrt(xyz[0]*xyz[0]+xyz[1]*xyz[1]);
1864 if (r<350) continue;
1865 if (r>400) continue;
1866 AliTracker::PropagateTrackToBxByBz(&pTPC,r,mass,2.,kTRUE);
1867 AliTracker::PropagateTrackToBxByBz(&pTPC,r,mass,0.1,kTRUE);
1868 AliTrackPoint lpoint = point.Rotate(pTPC.GetAlpha());
1869 pTPC.PropagateTo(lpoint.GetX(),fMagF);
1871 ((Double_t*)pTOF.GetParameter())[0] =lpoint.GetY();
1872 ((Double_t*)pTOF.GetParameter())[1] =lpoint.GetZ();
1873 ((Double_t*)pTOF.GetCovariance())[0]+=3.*3./12.;
1874 ((Double_t*)pTOF.GetCovariance())[2]+=3.*3./12.;
1875 ((Double_t*)pTOF.GetCovariance())[5]+=0.1*0.1;
1876 ((Double_t*)pTOF.GetCovariance())[9]+=0.1*0.1;
1879 if (naccept==0) return; // no tof match clusters
1881 // 0. Apply standard cuts
1883 if (track->GetTPCNcls()<kMinTPC) return; // minimal amount of clusters cut
1884 // exclude crossing track
1885 if (friendTrack->GetTPCOut()->GetZ()*track->GetInnerParam()->GetZ()<0) return;
1887 if (TMath::Abs(pTOF.GetY()-pTPC.GetY()) >kMaxDy) return;
1888 if (TMath::Abs(pTOF.GetSnp()-pTPC.GetSnp())>kMaxAngle) return;
1889 if (TMath::Abs(pTOF.GetTgl()-pTPC.GetTgl())>kMaxAngle) return;
1891 // 1. Update median and RMS info
1893 TVectorD vecDelta(5),vecMedian(5), vecRMS(5);
1894 TVectorD vecDeltaN(5);
1895 Double_t sign=(pTOF.GetParameter()[1]>0)? 1.:-1.;
1897 for (Int_t i=0;i<4;i++){
1898 vecDelta[i]=(pTOF.GetParameter()[i]-pTPC.GetParameter()[i])*sign;
1899 kgdP[i][kglast%kN]=vecDelta[i];
1902 Int_t entries=(kglast<kN)?kglast:kN;
1904 for (Int_t i=0;i<4;i++){
1905 vecMedian[i] = TMath::Median(entries,kgdP[i]);
1906 vecRMS[i] = TMath::RMS(entries,kgdP[i]);
1909 vecDeltaN[i] = (vecDelta[i]-vecMedian[i])/(vecRMS[i]+1.);
1910 vecDeltaN[4]+= TMath::Abs(vecDeltaN[i]); //sum of abs residuals
1911 if (TMath::Abs(vecDeltaN[i])>kSigmaCut) isOK=kFALSE;
1915 // 2. Apply median+-rms cut
1917 if (kglast<10) return; //median and RMS to be defined
1920 // 3. Update alignment
1922 //Int_t htime = fTime/3600; //time in hours
1923 Int_t htime = (Int_t)(fTime-fTimeKalmanBin)/fTimeKalmanBin; //time bin
1924 if (fAlignTOFTPC->GetEntriesFast()<htime){
1925 fAlignTOFTPC->Expand(htime*2+20);
1927 AliRelAlignerKalman* align = (AliRelAlignerKalman*)fAlignTOFTPC->At(htime);
1929 // make Alignment object if doesn't exist
1930 align=new AliRelAlignerKalman();
1931 align->SetRunNumber(fRun);
1932 (*align->GetStateCov())(6,6)=kVdErr*kVdErr;
1933 (*align->GetStateCov())(7,7)=kT0Err*kT0Err;
1934 (*align->GetStateCov())(8,8)=kVdYErr*kVdYErr;
1935 align->SetOutRejSigma(kOutCut+kOutCut*kN);
1936 align->SetRejectOutliers(kFALSE);
1937 align->SetTPCvd(AliTPCcalibDB::Instance()->GetParameters()->GetDriftV()/1000000.);
1938 align->SetMagField(fMagF);
1939 fAlignTOFTPC->AddAt(align,htime);
1941 align->AddTrackParams(&pTOF,&pTPC);
1942 Float_t dca[2],cov[3];
1943 track->GetImpactParameters(dca,cov);
1944 if (TMath::Abs(dca[0])<kMaxDy){
1945 FillResHistoTPCTOF(&pTPC,&pTOF);
1947 //align->SetTimeStamp(fTime);
1948 Double_t averageTime = fTime;
1949 if (align->GetTimeStamp()>0 && align->GetNUpdates()>0) {
1950 averageTime = (((Double_t)fTime) + ((Double_t)align->GetTimeStamp())*align->GetNUpdates()) / (align->GetNUpdates() + 1.);
1951 //printf("align->GetTimeStamp() %d, align->GetNUpdates() %d \n", align->GetTimeStamp(), align->GetNUpdates());
1953 align->SetTimeStamp((Int_t)averageTime);
1955 //printf("fTime %d, averageTime %d \n", fTime, (Int_t)averageTime);
1957 align->SetRunNumber(fRun );
1959 Int_t nupdates=align->GetNUpdates();
1960 align->SetOutRejSigma(kOutCut+kOutCut*kN/Double_t(nupdates));
1961 align->SetRejectOutliers(kFALSE);
1962 TTreeSRedirector *cstream = GetDebugStreamer();
1963 if (cstream && align->GetState() && align->GetState()->GetNrows()>2 ){
1964 TVectorD gpTPC(3), gdTPC(3);
1965 TVectorD gpTOF(3), gdTOF(3);
1966 pTPC.GetXYZ(gpTPC.GetMatrixArray());
1967 pTPC.GetDirection(gdTPC.GetMatrixArray());
1968 pTOF.GetXYZ(gpTOF.GetMatrixArray());
1969 pTOF.GetDirection(gdTOF.GetMatrixArray());
1970 (*cstream)<<"toftpc"<<
1971 "run="<<fRun<< // run number
1972 "event="<<fEvent<< // event number
1973 "time="<<fTime<< // time stamp of event
1974 "trigger="<<fTrigger<< // trigger
1975 "mag="<<fMagF<< // magnetic field
1977 "nmed="<<kglast<< // number of entries to define median and RMS
1978 "vMed.="<<&vecMedian<< // median of deltas
1979 "vRMS.="<<&vecRMS<< // rms of deltas
1980 "vDelta.="<<&vecDelta<< // delta in respect to median
1981 "vDeltaN.="<<&vecDeltaN<< // normalized delta in respect to median
1982 "t.="<<track<< // ful track - find proper cuts
1983 "a.="<<align<< // current alignment
1984 "pTOF.="<<&pTOF<< // track param TOF
1985 "pTPC.="<<&pTPC<< // track param TPC
1986 "gpTPC.="<<&gpTPC<< // global position TPC
1987 "gdTPC.="<<&gdTPC<< // global direction TPC
1988 "gpTOF.="<<&gpTOF<< // global position TOF
1989 "gdTOF.="<<&gdTOF<< // global position TOF
1995 void AliTPCcalibTime::BookDistortionMaps(){
1997 // Book ndimensional histograms of distortions/residuals
1998 // Only primary tracks are selected for analysis
2001 Double_t xminTrack[5], xmaxTrack[5];
2003 TString axisName[5];
2004 TString axisTitle[5];
2007 axisName[0] ="#Delta";
2008 axisTitle[0] ="#Delta";
2011 xminTrack[1] =-1.1; xmaxTrack[1]=1.1;
2012 axisName[1] ="tanTheta";
2013 axisTitle[1] ="tan(#Theta)";
2016 xminTrack[2] =-TMath::Pi(); xmaxTrack[2]=TMath::Pi();
2018 axisTitle[2] ="#phi";
2021 xminTrack[3] =-1.; xmaxTrack[3]=1.; // 0.33 GeV cut
2023 axisTitle[3] ="snp";
2026 xminTrack[4] =120.; xmaxTrack[4]=215.; // crossing radius for CE only
2028 axisTitle[4] ="r(cm)";
2031 xminTrack[0] =-1.5; xmaxTrack[0]=1.5; //
2032 fResHistoTPCCE[0] = new THnSparseS("TPCCE#Delta_{Y} (cm)","#Delta_{Y} (cm)", 5, binsTrack,xminTrack, xmaxTrack);
2033 fResHistoTPCITS[0] = new THnSparseS("TPCITS#Delta_{Y} (cm)","#Delta_{Y} (cm)", 4, binsTrack,xminTrack, xmaxTrack);
2034 fResHistoTPCvertex[0] = new THnSparseS("TPCVertex#Delta_{Y} (cm)","#Delta_{Y} (cm)", 4, binsTrack,xminTrack, xmaxTrack);
2035 xminTrack[0] =-1.5; xmaxTrack[0]=1.5; //
2036 fResHistoTPCTRD[0] = new THnSparseS("TPCTRD#Delta_{Y} (cm)","#Delta_{Y} (cm)", 4, binsTrack,xminTrack, xmaxTrack);
2037 xminTrack[0] =-5; xmaxTrack[0]=5; //
2038 fResHistoTPCTOF[0] = new THnSparseS("TPCTOF#Delta_{Y} (cm)","#Delta_{Y} (cm)", 4, binsTrack,xminTrack, xmaxTrack);
2041 xminTrack[0] =-3.; xmaxTrack[0]=3.; //
2042 fResHistoTPCCE[1] = new THnSparseS("TPCCE#Delta_{Z} (cm)","#Delta_{Z} (cm)", 5, binsTrack,xminTrack, xmaxTrack);
2043 fResHistoTPCITS[1] = new THnSparseS("TPCITS#Delta_{Z} (cm)","#Delta_{Z} (cm)", 4, binsTrack,xminTrack, xmaxTrack);
2044 fResHistoTPCvertex[1] = new THnSparseS("TPCVertex#Delta_{Z} (cm)","#Delta_{Z} (cm)", 4, binsTrack,xminTrack, xmaxTrack);
2045 fResHistoTPCTRD[1] = new THnSparseS("TPCTRD#Delta_{Z} (cm)","#Delta_{Z} (cm)", 4, binsTrack,xminTrack, xmaxTrack);
2046 xminTrack[0] =-5.; xmaxTrack[0]=5.; //
2047 fResHistoTPCTOF[1] = new THnSparseS("TPCTOF#Delta_{Z} (cm)","#Delta_{Z} (cm)", 4, binsTrack,xminTrack, xmaxTrack);
2050 xminTrack[0] =-0.015; xmaxTrack[0]=0.015; //
2051 fResHistoTPCCE[2] = new THnSparseS("TPCCE#Delta_{#phi}","#Delta_{#phi}", 5, binsTrack,xminTrack, xmaxTrack);
2052 fResHistoTPCITS[2] = new THnSparseS("TPCITS#Delta_{#phi}","#Delta_{#phi}", 4, binsTrack,xminTrack, xmaxTrack);
2053 fResHistoTPCvertex[2] = new THnSparseS("TPCITSv#Delta_{#phi}","#Delta_{#phi}", 4, binsTrack,xminTrack, xmaxTrack);
2054 fResHistoTPCTRD[2] = new THnSparseS("TPCTRD#Delta_{#phi}","#Delta_{#phi}", 4, binsTrack,xminTrack, xmaxTrack);
2055 fResHistoTPCTOF[2] = new THnSparseS("TPCTOF#Delta_{#phi}","#Delta_{#phi}", 4, binsTrack,xminTrack, xmaxTrack);
2058 xminTrack[0] =-0.025; xmaxTrack[0]=0.025; //
2059 fResHistoTPCCE[3] = new THnSparseS("TPCCE#Delta_{#theta}","#Delta_{#theta}", 5, binsTrack,xminTrack, xmaxTrack);
2060 fResHistoTPCITS[3] = new THnSparseS("TPCITS#Delta_{#theta}","#Delta_{#theta}", 4, binsTrack,xminTrack, xmaxTrack);
2061 fResHistoTPCvertex[3] = new THnSparseS("TPCITSv#Delta_{#theta}","#Delta_{#theta}", 4, binsTrack,xminTrack, xmaxTrack);
2062 fResHistoTPCTRD[3] = new THnSparseS("TPCTRD#Delta_{#theta}","#Delta_{#theta}", 4, binsTrack,xminTrack, xmaxTrack);
2063 fResHistoTPCTOF[3] = new THnSparseS("TPCTOF#Delta_{#theta}","#Delta_{#theta}", 4, binsTrack,xminTrack, xmaxTrack);
2066 xminTrack[0] =-0.2; xmaxTrack[0]=0.2; //
2067 fResHistoTPCCE[4] = new THnSparseS("TPCCE#Delta_{1/pt}","#Delta_{1/pt}", 5, binsTrack,xminTrack, xmaxTrack);
2068 fResHistoTPCITS[4] = new THnSparseS("TPCITS#Delta_{1/pt}","#Delta_{1/pt}", 4, binsTrack,xminTrack, xmaxTrack);
2069 fResHistoTPCvertex[4] = new THnSparseS("TPCITSv#Delta_{1/pt}","#Delta_{1/pt}", 4, binsTrack,xminTrack, xmaxTrack);
2070 fResHistoTPCTRD[4] = new THnSparseS("TPCTRD#Delta_{1/pt}","#Delta_{1/pt}", 4, binsTrack,xminTrack, xmaxTrack);
2071 fResHistoTPCTOF[4] = new THnSparseS("TPCTOF#Delta_{1/pt}","#Delta_{1/pt}", 4, binsTrack,xminTrack, xmaxTrack);
2073 for (Int_t ivar=0;ivar<4;ivar++){
2074 for (Int_t ivar2=0;ivar2<5;ivar2++){
2075 fResHistoTPCCE[ivar]->GetAxis(ivar2)->SetName(axisName[ivar2].Data());
2076 fResHistoTPCCE[ivar]->GetAxis(ivar2)->SetTitle(axisTitle[ivar2].Data());
2078 fResHistoTPCITS[ivar]->GetAxis(ivar2)->SetName(axisName[ivar2].Data());
2079 fResHistoTPCITS[ivar]->GetAxis(ivar2)->SetTitle(axisTitle[ivar2].Data());
2080 fResHistoTPCTRD[ivar]->GetAxis(ivar2)->SetName(axisName[ivar2].Data());
2081 fResHistoTPCTRD[ivar]->GetAxis(ivar2)->SetTitle(axisTitle[ivar2].Data());
2082 fResHistoTPCvertex[ivar]->GetAxis(ivar2)->SetName(axisName[ivar2].Data());
2083 fResHistoTPCvertex[ivar]->GetAxis(ivar2)->SetTitle(axisTitle[ivar2].Data());
2088 // Book vertex: time histograms
2090 Int_t binsVertex[2]={500, fTimeBins};
2091 Double_t aminVertex[2]={-5,fTimeStart};
2092 Double_t amaxVertex[2]={5, fTimeEnd};
2093 const char* hnames[12]={"TPCXAside", "TPCXCside","TPCXACdiff","TPCXAPCdiff",
2094 "TPCYAside", "TPCYCside","TPCYACdiff","TPCYAPCdiff",
2095 "TPCZAPCside", "TPCZAMCside","TPCZACdiff","TPCZAPCdiff"};
2096 const char* anames[12]={"x (cm) - A side ", "x (cm) - C side","#Delta_{x} (cm) - TPC-A-C","#Delta_{x} (cm) - TPC-Common",
2097 "y (cm) - A side ", "y (cm) - C side","#Delta_{x} (cm) - TPC-A-C","#Delta_{y} (cm) - TPC-Common",
2098 "z (cm)", "#Delta_{Z} (cm) A-C side","#Delta_{x} (cm) - TPC-A-C","#Delta_{Z} (cm) TPC-common"};
2099 for (Int_t ihis=0; ihis<12; ihis++) {
2100 if (ihis>=8) aminVertex[0]=-20.;
2101 if (ihis>=8) amaxVertex[0]=20.;
2102 fTPCVertex[ihis]=new THnSparseF(hnames[ihis],hnames[ihis],2,binsVertex,aminVertex,amaxVertex);
2103 fTPCVertex[ihis]->GetAxis(1)->SetTitle("Time");
2104 fTPCVertex[ihis]->GetAxis(0)->SetTitle(anames[ihis]);
2107 Int_t binsVertexC[2]={40, 300};
2108 Double_t aminVertexC[2]={-20,-30};
2109 Double_t amaxVertexC[2]={20,30};
2110 const char* hnamesC[5]={"TPCA_TPC","TPCC_TPC","TPCA_ITS","TPCC_ITS","TPC_ITS"};
2111 for (Int_t ihis=0; ihis<5; ihis++) {
2112 fTPCVertexCorrelation[ihis]=new THnSparseF(hnamesC[ihis],hnamesC[ihis],2,binsVertexC,aminVertexC,amaxVertexC);
2113 fTPCVertexCorrelation[ihis]->GetAxis(1)->SetTitle("z (cm)");
2114 fTPCVertexCorrelation[ihis]->GetAxis(0)->SetTitle("z (cm)");
2119 void AliTPCcalibTime::FillResHistoTPCCE(const AliExternalTrackParam * pTPCIn, const AliExternalTrackParam * pTPCOut ){
2121 // fill residual histograms pTPCOut-pTPCin - trac crossing CE
2124 if (fMemoryMode<2) return;
2127 pTPCIn->GetXYZ(xyz);
2128 Double_t phi= TMath::ATan2(xyz[1],xyz[0]);
2129 histoX[1]= pTPCIn->GetTgl();
2131 histoX[3]= pTPCIn->GetSnp();
2132 histoX[4]= pTPCIn->GetX();
2133 AliExternalTrackParam lout(*pTPCOut);
2134 lout.Rotate(pTPCIn->GetAlpha());
2135 lout.PropagateTo(pTPCIn->GetX(),fMagF);
2137 for (Int_t ihisto=0; ihisto<5; ihisto++){
2138 histoX[0]=lout.GetParameter()[ihisto]-pTPCIn->GetParameter()[ihisto];
2139 fResHistoTPCCE[ihisto]->Fill(histoX);
2142 void AliTPCcalibTime::FillResHistoTPCITS(const AliExternalTrackParam * pTPCIn, const AliExternalTrackParam * pITSOut ){
2144 // fill residual histograms pTPCIn-pITSOut
2145 // Histogram is filled only for primary tracks
2149 pTPCIn->GetXYZ(xyz);
2150 Double_t phi= TMath::ATan2(xyz[1],xyz[0]);
2151 histoX[1]= pTPCIn->GetTgl();
2153 histoX[3]= pTPCIn->GetSnp();
2154 AliExternalTrackParam lits(*pITSOut);
2155 lits.Rotate(pTPCIn->GetAlpha());
2156 lits.PropagateTo(pTPCIn->GetX(),fMagF);
2158 for (Int_t ihisto=0; ihisto<5; ihisto++){
2159 histoX[0]=pTPCIn->GetParameter()[ihisto]-lits.GetParameter()[ihisto];
2160 fResHistoTPCITS[ihisto]->Fill(histoX);
2165 void AliTPCcalibTime::FillResHistoTPC(const AliESDtrack * pTrack){
2167 // fill residual histograms pTPC - vertex
2168 // Histogram is filled only for primary tracks
2170 if (fMemoryMode<2) return;
2172 const AliExternalTrackParam * pTPCIn = pTrack->GetInnerParam();
2173 AliExternalTrackParam pTPCvertex(*(pTrack->GetInnerParam()));
2175 AliExternalTrackParam lits(*pTrack);
2176 if (TMath::Abs(pTrack->GetY())>3) return; // beam pipe
2177 pTPCvertex.Rotate(lits.GetAlpha());
2178 //pTPCvertex.PropagateTo(pTPCvertex->GetX(),fMagF);
2179 AliTracker::PropagateTrackToBxByBz(&pTPCvertex,lits.GetX(),0.1,2,kFALSE);
2180 AliTracker::PropagateTrackToBxByBz(&pTPCvertex,lits.GetX(),0.1,0.1,kFALSE);
2182 pTPCIn->GetXYZ(xyz);
2183 Double_t phi= TMath::ATan2(xyz[1],xyz[0]);
2184 histoX[1]= pTPCIn->GetTgl();
2186 histoX[3]= pTPCIn->GetSnp();
2188 Float_t dca[2], cov[3];
2189 pTrack->GetImpactParametersTPC(dca,cov);
2190 for (Int_t ihisto=0; ihisto<5; ihisto++){
2191 histoX[0]=pTPCvertex.GetParameter()[ihisto]-lits.GetParameter()[ihisto];
2192 // if (ihisto<2) histoX[0]=dca[ihisto];
2193 fResHistoTPCvertex[ihisto]->Fill(histoX);
2198 void AliTPCcalibTime::FillResHistoTPCTRD(const AliExternalTrackParam * pTPCOut, const AliExternalTrackParam * pTRDIn ){
2200 // fill resuidual histogram TPCout-TRDin
2202 if (fMemoryMode<2) return;
2205 pTPCOut->GetXYZ(xyz);
2206 Double_t phi= TMath::ATan2(xyz[1],xyz[0]);
2207 histoX[1]= pTPCOut->GetTgl();
2209 histoX[3]= pTPCOut->GetSnp();
2211 AliExternalTrackParam ltrd(*pTRDIn);
2212 ltrd.Rotate(pTPCOut->GetAlpha());
2213 // ltrd.PropagateTo(pTPCOut->GetX(),fMagF);
2214 AliTracker::PropagateTrackToBxByBz(<rd,pTPCOut->GetX(),0.1,0.1,kFALSE);
2216 for (Int_t ihisto=0; ihisto<5; ihisto++){
2217 histoX[0]=pTPCOut->GetParameter()[ihisto]-ltrd.GetParameter()[ihisto];
2218 fResHistoTPCTRD[ihisto]->Fill(histoX);
2223 void AliTPCcalibTime::FillResHistoTPCTOF(const AliExternalTrackParam * pTPCOut, const AliExternalTrackParam * pTOFIn ){
2225 // fill resuidual histogram TPCout-TOFin
2226 // track propagated to the TOF position
2227 if (fMemoryMode<2) return;
2231 AliExternalTrackParam ltpc(*pTPCOut);
2232 ltpc.Rotate(pTOFIn->GetAlpha());
2233 AliTracker::PropagateTrackToBxByBz(<pc,pTOFIn->GetX(),0.1,0.1,kFALSE);
2236 Double_t phi= TMath::ATan2(xyz[1],xyz[0]);
2237 histoX[1]= ltpc.GetTgl();
2239 histoX[3]= ltpc.GetSnp();
2241 for (Int_t ihisto=0; ihisto<2; ihisto++){
2242 histoX[0]=ltpc.GetParameter()[ihisto]-pTOFIn->GetParameter()[ihisto];
2243 fResHistoTPCTOF[ihisto]->Fill(histoX);