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);
27 #include "Riostream.h"
28 #include "TDatabasePDG.h"
29 #include "TGraphErrors.h"
31 #include "THnSparse.h"
34 #include "TTimeStamp.h"
40 #include "AliDCSSensor.h"
41 #include "AliDCSSensorArray.h"
42 #include "AliESDEvent.h"
43 #include "AliESDInputHandler.h"
44 #include "AliESDVertex.h"
45 #include "AliESDfriend.h"
47 #include "AliRelAlignerKalman.h"
48 #include "AliTPCCalROC.h"
49 #include "AliTPCParam.h"
50 #include "AliTPCTracklet.h"
51 #include "AliTPCcalibDB.h"
52 #include "AliTPCcalibLaser.h"
53 #include "AliTPCcalibTime.h"
54 #include "AliTPCclusterMI.h"
55 #include "AliTPCseed.h"
56 #include "AliTrackPointArray.h"
57 #include "AliTracker.h"
58 #include "AliKFVertex.h"
61 ClassImp(AliTPCcalibTime)
64 AliTPCcalibTime::AliTPCcalibTime()
66 fMemoryMode(1), // 0 -do not fill THnSparse with residuals 1- fill only important QA THn 2 - Fill all THnsparse for calibration
67 fLaser(0), // pointer to laser calibration
68 fDz(0), // current delta z
69 fCutMaxD(3), // maximal distance in rfi ditection
70 fCutMaxDz(25), // maximal distance in rfi ditection
71 fCutTheta(0.03), // maximal distan theta
72 fCutMinDir(-0.99), // direction vector products
74 fArrayLaserA(0), //laser fit parameters C
75 fArrayLaserC(0), //laser fit parameters A
76 fArrayDz(0), //NEW! Tmap of V drifts for different triggers
77 fAlignITSTPC(0), //alignemnt array ITS TPC match
78 fAlignTRDTPC(0), //alignemnt array TRD TPC match
79 fAlignTOFTPC(0), //alignemnt array TOF TPC match
80 fTimeKalmanBin(60*15), //time bin width for kalman - 15 minutes default
95 // default constructor
97 AliInfo("Default Constructor");
98 for (Int_t i=0;i<3;i++) {
99 fHistVdriftLaserA[i]=0;
100 fHistVdriftLaserC[i]=0;
102 for (Int_t i=0;i<10;i++) {
103 fCosmiMatchingHisto[i]=0;
106 for (Int_t i=0;i<5;i++) {
108 fResHistoTPCITS[i]=0;
109 fResHistoTPCTRD[i]=0;
110 fResHistoTPCTOF[i]=0;
111 fResHistoTPCvertex[i]=0;
114 for (Int_t i=0;i<12;i++) {
117 for (Int_t i=0;i<5;i++) {
118 fTPCVertexCorrelation[i]=0;
120 static Int_t counter=0;
124 AliInfo(Form("Counter Constructor\t%d\t%d",counter,time));
130 AliTPCcalibTime::AliTPCcalibTime(const Text_t *name, const Text_t *title, UInt_t StartTime, UInt_t EndTime, Int_t deltaIntegrationTimeVdrift, Int_t memoryMode)
132 fMemoryMode(memoryMode), // 0 -do not fill THnSparse with residuals 1- fill only important QA THn 2 - Fill all THnsparse for calibration
133 fLaser(0), // pointer to laser calibration
134 fDz(0), // current delta z
135 fCutMaxD(5*0.5356), // maximal distance in rfi ditection
136 fCutMaxDz(40), // maximal distance in rfi ditection
137 fCutTheta(5*0.004644),// maximal distan theta
138 fCutMinDir(-0.99), // direction vector products
140 fArrayLaserA(new TObjArray(1000)), //laser fit parameters C
141 fArrayLaserC(new TObjArray(1000)), //laser fit parameters A
142 fArrayDz(0), //Tmap of V drifts for different triggers
143 fAlignITSTPC(0), //alignemnt array ITS TPC match
144 fAlignTRDTPC(0), //alignemnt array TRD TPC match
145 fAlignTOFTPC(0), //alignemnt array TOF TPC match
146 fTimeKalmanBin(60*15), //time bin width for kalman - 15 minutes default
161 // Non deafaul constructor - to be used in the Calibration setups
166 for (Int_t i=0;i<3;i++) {
167 fHistVdriftLaserA[i]=0;
168 fHistVdriftLaserC[i]=0;
171 for (Int_t i=0;i<5;i++) {
173 fResHistoTPCITS[i]=0;
174 fResHistoTPCTRD[i]=0;
175 fResHistoTPCTOF[i]=0;
176 fResHistoTPCvertex[i]=0;
180 AliInfo("Non Default Constructor");
181 fTimeBins =(EndTime-StartTime)/deltaIntegrationTimeVdrift;
182 fTimeStart =StartTime; //(((TObjString*)(mapGRP->GetValue("fAliceStartTime")))->GetString()).Atoi();
183 fTimeEnd =EndTime; //(((TObjString*)(mapGRP->GetValue("fAliceStopTime")))->GetString()).Atoi();
194 Int_t binsVdriftLaser[4] = {fTimeBins , fPtBins , fVdriftBins*20, fRunBins };
195 Double_t xminVdriftLaser[4] = {fTimeStart, fPtStart, fVdriftStart , fRunStart};
196 Double_t xmaxVdriftLaser[4] = {fTimeEnd , fPtEnd , fVdriftEnd , fRunEnd };
197 TString axisTitle[4]={
203 TString histoName[3]={
210 for (Int_t i=0;i<3;i++) {
211 fHistVdriftLaserA[i] = new THnSparseF("HistVdriftLaser","HistVdriftLaser;time;p/T ratio;Vdrift;run",4,binsVdriftLaser,xminVdriftLaser,xmaxVdriftLaser);
212 fHistVdriftLaserC[i] = new THnSparseF("HistVdriftLaser","HistVdriftLaser;time;p/T ratio;Vdrift;run",4,binsVdriftLaser,xminVdriftLaser,xmaxVdriftLaser);
213 fHistVdriftLaserA[i]->SetName(histoName[i]);
214 fHistVdriftLaserC[i]->SetName(histoName[i]);
215 for (Int_t iaxis=0; iaxis<4;iaxis++){
216 fHistVdriftLaserA[i]->GetAxis(iaxis)->SetName(axisTitle[iaxis]);
217 fHistVdriftLaserC[i]->GetAxis(iaxis)->SetName(axisTitle[iaxis]);
220 fBinsVdrift[0] = fTimeBins;
221 fBinsVdrift[1] = fPtBins;
222 fBinsVdrift[2] = fVdriftBins;
223 fBinsVdrift[3] = fRunBins;
224 fXminVdrift[0] = fTimeStart;
225 fXminVdrift[1] = fPtStart;
226 fXminVdrift[2] = fVdriftStart;
227 fXminVdrift[3] = fRunStart;
228 fXmaxVdrift[0] = fTimeEnd;
229 fXmaxVdrift[1] = fPtEnd;
230 fXmaxVdrift[2] = fVdriftEnd;
231 fXmaxVdrift[3] = fRunEnd;
233 fArrayDz=new TObjArray();
234 fAlignITSTPC = new TObjArray; //alignemnt array ITS TPC match
235 fAlignTRDTPC = new TObjArray; //alignemnt array ITS TPC match
236 fAlignTOFTPC = new TObjArray; //alignemnt array ITS TPC match
237 fAlignITSTPC->SetOwner(kTRUE);
238 fAlignTRDTPC->SetOwner(kTRUE);
239 fAlignTOFTPC->SetOwner(kTRUE);
242 fCosmiMatchingHisto[0]=new TH1F("Cosmics matching","p0-all" ,100,-10*0.5356 ,10*0.5356 );
243 fCosmiMatchingHisto[1]=new TH1F("Cosmics matching","p1-all" ,100,-10*4.541 ,10*4.541 );
244 fCosmiMatchingHisto[2]=new TH1F("Cosmics matching","p2-all" ,100,-10*0.01134 ,10*0.01134 );
245 fCosmiMatchingHisto[3]=new TH1F("Cosmics matching","p3-all" ,100,-10*0.004644,10*0.004644);
246 fCosmiMatchingHisto[4]=new TH1F("Cosmics matching","p4-all" ,100,-10*0.03773 ,10*0.03773 );
247 fCosmiMatchingHisto[5]=new TH1F("Cosmics matching","p0-isPair",100,-10*0.5356 ,10*0.5356 );
248 fCosmiMatchingHisto[6]=new TH1F("Cosmics matching","p1-isPair",100,-10*4.541 ,10*4.541 );
249 fCosmiMatchingHisto[7]=new TH1F("Cosmics matching","p2-isPair",100,-10*0.01134 ,10*0.01134 );
250 fCosmiMatchingHisto[8]=new TH1F("Cosmics matching","p3-isPair",100,-10*0.004644,10*0.004644);
251 fCosmiMatchingHisto[9]=new TH1F("Cosmics matching","p4-isPair",100,-10*0.03773 ,10*0.03773 );
252 for (Int_t i=0;i<12;i++) {
255 for (Int_t i=0;i<5;i++) {
256 fTPCVertexCorrelation[i]=0;
258 BookDistortionMaps();
262 AliTPCcalibTime::~AliTPCcalibTime(){
264 // Virtual Destructor
266 static Int_t counter=0;
270 AliInfo(Form("Counter Destructor\t%s\t%d\t%d",GetName(),counter,time));
273 for(Int_t i=0;i<3;i++){
274 if(fHistVdriftLaserA[i]){
275 delete fHistVdriftLaserA[i];
276 fHistVdriftLaserA[i]=NULL;
278 if(fHistVdriftLaserC[i]){
279 delete fHistVdriftLaserC[i];
280 fHistVdriftLaserC[i]=NULL;
284 fArrayDz->SetOwner();
289 for(Int_t i=0;i<5;i++){
290 if(fCosmiMatchingHisto[i]){
291 delete fCosmiMatchingHisto[i];
292 fCosmiMatchingHisto[i]=NULL;
296 for (Int_t i=0;i<5;i++) {
297 delete fResHistoTPCCE[i];
298 delete fResHistoTPCITS[i];
299 delete fResHistoTPCTRD[i];
300 delete fResHistoTPCTOF[i];
301 delete fResHistoTPCvertex[i];
303 fResHistoTPCITS[i]=0;
304 fResHistoTPCTRD[i]=0;
305 fResHistoTPCTOF[i]=0;
306 fResHistoTPCvertex[i]=0;
310 for (Int_t i=0;i<12;i++) delete fTPCVertex[i];
312 if (fTPCVertexCorrelation[0]) {
313 for (Int_t i=0;i<5;i++) delete fTPCVertexCorrelation[i];
317 fAlignITSTPC->SetOwner(kTRUE);
318 fAlignTRDTPC->SetOwner(kTRUE);
319 fAlignTOFTPC->SetOwner(kTRUE);
321 fAlignITSTPC->Delete();
322 fAlignTRDTPC->Delete();
323 fAlignTOFTPC->Delete();
330 // Bool_t AliTPCcalibTime::IsLaser(const AliESDEvent *const /*event*/) const{
332 // // Indicator is laser event not yet implemented - to be done using trigger info or event specie
334 // return kTRUE; //More accurate creteria to be added
336 // Bool_t AliTPCcalibTime::IsCosmics(const AliESDEvent *const /*event*/){
338 // // Indicator is cosmic event not yet implemented - to be done using trigger info or event specie
341 // return kTRUE; //More accurate creteria to be added
343 // Bool_t AliTPCcalibTime::IsBeam(const AliESDEvent *const /*event*/) const{
345 // // Indicator is physic event not yet implemented - to be done using trigger info or event specie
348 // return kTRUE; //More accurate creteria to be added
350 void AliTPCcalibTime::ResetCurrent(){
354 fDz=0; //Reset current dz
359 void AliTPCcalibTime::Process(AliESDEvent *event){
361 // main function to make calibration
364 if (event->GetNumberOfTracks()<2) return;
365 AliESDfriend *ESDfriend=static_cast<AliESDfriend*>(event->FindListObject("AliESDfriend"));
369 if (ESDfriend->TestSkipBit()) return;
372 //if(IsLaser (event))
373 ProcessLaser (event);
374 //if(IsCosmics(event))
375 ProcessCosmic(event);
380 void AliTPCcalibTime::ProcessLaser(AliESDEvent *event){
382 // Fit drift velocity using laser
385 const Int_t kMinTracks = 40; // minimal number of laser tracks
386 const Int_t kMinTracksSide = 20; // minimal number of tracks per side
387 const Float_t kMaxDeltaZ = 30.; // maximal trigger delay
388 const Float_t kMaxDeltaV = 0.05; // maximal deltaV
389 const Float_t kMaxRMS = 0.1; // maximal RMS of tracks
392 TCut cutRMS("sqrt(laserA.fElements[4])<0.1&&sqrt(laserC.fElements[4])<0.1");
393 TCut cutZ("abs(laserA.fElements[0]-laserC.fElements[0])<3");
394 TCut cutV("abs(laserA.fElements[1]-laserC.fElements[1])<0.01");
395 TCut cutY("abs(laserA.fElements[2]-laserC.fElements[2])<2");
396 TCut cutAll = cutRMS+cutZ+cutV+cutY;
398 if (event->GetNumberOfTracks()<kMinTracks) return;
400 if(!fLaser) fLaser = new AliTPCcalibLaser("laserTPC","laserTPC",kFALSE);
401 fLaser->Process(event);
402 if (fLaser->GetNtracks()<kMinTracks) return; // small amount of tracks cut
403 if (fLaser->fFitAside->GetNrows()==0 && fLaser->fFitCside->GetNrows()==0) return; // no fit neither a or C side
405 // debug streamer - activate stream level
406 // Use it for tuning of the cuts
408 // cuts to be applied
410 Int_t isReject[2]={0,0};
413 if (TMath::Abs((*fLaser->fFitAside)[3]) < kMinTracksSide) isReject[0]|=1;
414 if (TMath::Abs((*fLaser->fFitCside)[3]) < kMinTracksSide) isReject[1]|=1;
415 // unreasonable z offset
416 if (TMath::Abs((*fLaser->fFitAside)[0])>kMaxDeltaZ) isReject[0]|=2;
417 if (TMath::Abs((*fLaser->fFitCside)[0])>kMaxDeltaZ) isReject[1]|=2;
418 // unreasonable drift velocity
419 if (TMath::Abs((*fLaser->fFitAside)[1]-1)>kMaxDeltaV) isReject[0]|=4;
420 if (TMath::Abs((*fLaser->fFitCside)[1]-1)>kMaxDeltaV) isReject[1]|=4;
422 if (TMath::Sqrt(TMath::Abs((*fLaser->fFitAside)[4]))>kMaxRMS ) isReject[0]|=8;
423 if (TMath::Sqrt(TMath::Abs((*fLaser->fFitCside)[4]))>kMaxRMS ) isReject[1]|=8;
429 printf("Trigger: %s\n",event->GetFiredTriggerClasses().Data());
431 TTreeSRedirector *cstream = GetDebugStreamer();
433 TTimeStamp tstamp(fTime);
434 (*cstream)<<"laserInfo"<<
435 "run="<<fRun<< // run number
436 "event="<<fEvent<< // event number
437 "time="<<fTime<< // time stamp of event
438 "trigger="<<fTrigger<< // trigger
439 "mag="<<fMagF<< // magnetic field
441 "rejectA="<<isReject[0]<<
442 "rejectC="<<isReject[1]<<
443 "laserA.="<<fLaser->fFitAside<<
444 "laserC.="<<fLaser->fFitCside<<
445 "laserAC.="<<fLaser->fFitACside<<
446 "trigger="<<event->GetFiredTriggerClasses()<<
453 TVectorD vdriftA(5), vdriftC(5),vdriftAC(6);
454 vdriftA=*(fLaser->fFitAside);
455 vdriftC=*(fLaser->fFitCside);
456 vdriftAC=*(fLaser->fFitACside);
457 Int_t npointsA=0, npointsC=0;
458 Float_t chi2A=0, chi2C=0;
459 npointsA= TMath::Nint(vdriftA[3]);
461 npointsC= TMath::Nint(vdriftC[3]);
464 if (npointsA>kMinTracksSide || npointsC>kMinTracksSide){
465 TVectorD *fitA = new TVectorD(6);
466 TVectorD *fitC = new TVectorD(6);
467 for (Int_t ipar=0; ipar<5; ipar++){
468 (*fitA)[ipar]=vdriftA[ipar];
469 (*fitC)[ipar]=vdriftC[ipar];
473 fArrayLaserA->AddLast(fitA);
474 fArrayLaserC->AddLast(fitC);
478 TTimeStamp tstamp(fTime);
479 Double_t ptrelative0 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,0);
480 Double_t ptrelative1 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,1);
481 Double_t driftA=0, driftC=0;
482 if (vdriftA[1]>1.-kMaxDeltaV) driftA = 1./vdriftA[1]-1.;
483 if (vdriftC[1]>1.-kMaxDeltaV) driftC = 1./vdriftC[1]-1.;
485 Double_t vecDriftLaserA[4]={fTime,(ptrelative0+ptrelative1)/2.0,driftA,event->GetRunNumber()};
486 Double_t vecDriftLaserC[4]={fTime,(ptrelative0+ptrelative1)/2.0,driftC,event->GetRunNumber()};
487 // Double_t vecDrift[4] ={fTime,(ptrelative0+ptrelative1)/2.0,1./((*(fLaser->fFitACside))[1])-1,event->GetRunNumber()};
489 for (Int_t icalib=0;icalib<3;icalib++){
490 if (icalib==0){ //z0 shift
491 vecDriftLaserA[2]=vdriftA[0]/250.;
492 vecDriftLaserC[2]=vdriftC[0]/250.;
494 if (icalib==1){ //vdrel shift
495 vecDriftLaserA[2]=driftA;
496 vecDriftLaserC[2]=driftC;
498 if (icalib==2){ //gy shift - full gy - full drift
499 vecDriftLaserA[2]=vdriftA[2]/250.;
500 vecDriftLaserC[2]=vdriftC[2]/250.;
502 //if (isReject[0]==0) fHistVdriftLaserA[icalib]->Fill(vecDriftLaserA);
503 //if (isReject[1]==0) fHistVdriftLaserC[icalib]->Fill(vecDriftLaserC);
504 fHistVdriftLaserA[icalib]->Fill(vecDriftLaserA);
505 fHistVdriftLaserC[icalib]->Fill(vecDriftLaserC);
509 void AliTPCcalibTime::ProcessCosmic(const AliESDEvent *const event){
511 // process Cosmic event - track matching A side C side
514 Printf("ERROR: ESD not available");
517 if (event->GetTimeStamp() == 0 ) {
518 Printf("no time stamp!");
525 // Track0 is choosen in upper TPC part
526 // Track1 is choosen in lower TPC part
528 const Int_t kMinClustersCross =30;
529 const Int_t kMinClusters =80;
530 Int_t ntracks=event->GetNumberOfTracks();
531 if (ntracks==0) return;
532 if (ntracks > fCutTracks) return;
534 if (GetDebugLevel()>20) printf("Hallo world: Im here\n");
535 AliESDfriend *esdFriend=(AliESDfriend*)(((AliESDEvent*)event)->FindListObject("AliESDfriend"));
537 TObjArray tpcSeeds(ntracks);
538 Double_t vtxx[3]={0,0,0};
539 Double_t svtxx[3]={0.000001,0.000001,100.};
540 AliESDVertex vtx(vtxx,svtxx);
544 TArrayI clusterSideA(ntracks);
545 TArrayI clusterSideC(ntracks);
546 for (Int_t i=0;i<ntracks;++i) {
549 AliESDtrack *track = event->GetTrack(i);
551 const AliExternalTrackParam * trackIn = track->GetInnerParam();
552 const AliExternalTrackParam * trackOut = track->GetOuterParam();
553 if (!trackIn) continue;
554 if (!trackOut) continue;
556 AliESDfriendTrack *friendTrack = esdFriend->GetTrack(i);
557 if (!friendTrack) continue;
558 if (friendTrack) ProcessSame(track,friendTrack,event);
559 if (friendTrack) ProcessAlignITS(track,friendTrack,event,esdFriend);
560 if (friendTrack) ProcessAlignTRD(track,friendTrack);
561 if (friendTrack) ProcessAlignTOF(track,friendTrack);
562 TObject *calibObject;
563 AliTPCseed *seed = 0;
564 for (Int_t l=0;(calibObject=friendTrack->GetCalibObject(l));++l) if ((seed=dynamic_cast<AliTPCseed*>(calibObject))) break;
566 tpcSeeds.AddAt(seed,i);
568 for (Int_t irow=159;irow>0;irow--) {
569 AliTPCclusterMI *cl=seed->GetClusterPointer(irow);
571 if ((cl->GetDetector()%36)<18) nA++;
572 if ((cl->GetDetector()%36)>=18) nC++;
578 if (ntracks<2) return;
583 for (Int_t i=0;i<ntracks;++i) {
584 AliESDtrack *track0 = event->GetTrack(i);
585 // track0 - choosen upper part
586 if (!track0) continue;
587 if (!track0->GetOuterParam()) continue;
588 if (track0->GetOuterParam()->GetAlpha()<0) continue;
590 track0->GetDirection(d1);
591 for (Int_t j=0;j<ntracks;++j) {
593 AliESDtrack *track1 = event->GetTrack(j);
595 if (!track1) continue;
596 if (!track1->GetOuterParam()) continue;
597 if (track0->GetTPCNcls()+ track1->GetTPCNcls()< kMinClusters) continue;
598 Int_t nAC = TMath::Max( TMath::Min(clusterSideA[i], clusterSideC[j]),
599 TMath::Min(clusterSideC[i], clusterSideA[j]));
600 if (nAC<kMinClustersCross) continue;
601 Int_t nA0=clusterSideA[i];
602 Int_t nC0=clusterSideC[i];
603 Int_t nA1=clusterSideA[j];
604 Int_t nC1=clusterSideC[j];
605 // if (track1->GetOuterParam()->GetAlpha()>0) continue;
608 track1->GetDirection(d2);
610 AliTPCseed * seed0 = (AliTPCseed*) tpcSeeds.At(i);
611 AliTPCseed * seed1 = (AliTPCseed*) tpcSeeds.At(j);
612 if (! seed0) continue;
613 if (! seed1) continue;
614 Float_t dir = (d1[0]*d2[0] + d1[1]*d2[1] + d1[2]*d2[2]);
615 Float_t dist0 = track0->GetLinearD(0,0);
616 Float_t dist1 = track1->GetLinearD(0,0);
618 // conservative cuts - convergence to be guarantied
619 // applying before track propagation
620 if (TMath::Abs(TMath::Abs(dist0)-TMath::Abs(dist1))>fCutMaxD) continue; // distance to the 0,0
621 if (TMath::Abs(dir)<TMath::Abs(fCutMinDir)) continue; // direction vector product
622 Float_t bz = AliTracker::GetBz();
623 Float_t dvertex0[2]; //distance to 0,0
624 Float_t dvertex1[2]; //distance to 0,0
625 track0->GetDZ(0,0,0,bz,dvertex0);
626 track1->GetDZ(0,0,0,bz,dvertex1);
627 if (TMath::Abs(dvertex0[1])>250) continue;
628 if (TMath::Abs(dvertex1[1])>250) continue;
632 Float_t dmax = TMath::Max(TMath::Abs(dist0),TMath::Abs(dist1));
633 AliExternalTrackParam param0(*track0);
634 AliExternalTrackParam param1(*track1);
636 // Propagate using Magnetic field and correct fo material budget
638 AliTracker::PropagateTrackTo(¶m0,dmax+1,TDatabasePDG::Instance()->GetParticle("e-")->Mass(),3,kTRUE);
639 AliTracker::PropagateTrackTo(¶m1,dmax+1,TDatabasePDG::Instance()->GetParticle("e-")->Mass(),3,kTRUE);
641 // Propagate rest to the 0,0 DCA - z should be ignored
644 param0.PropagateToDCA(&vtx,bz,1000);
646 param1.PropagateToDCA(&vtx,bz,1000);
647 param0.GetDZ(0,0,0,bz,dvertex0);
648 param1.GetDZ(0,0,0,bz,dvertex1);
653 Bool_t isPair = IsPair(¶m0,¶m1);
654 Bool_t isCross = IsCross(track0, track1);
655 Bool_t isSame = IsSame(track0, track1);
657 THnSparse* hist=new THnSparseF("","HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
658 TString shortName=hist->ClassName();
659 shortName+="_MEAN_VDRIFT_COSMICS_";
663 if((isSame) || (isCross && isPair)){
664 if (track0->GetTPCNcls()+ track1->GetTPCNcls()> 80) {
665 fDz = param0.GetZ() - param1.GetZ();
666 Double_t sign=(nA0>nA1)? 1:-1;
668 TTimeStamp tstamp(fTime);
669 Double_t ptrelative0 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,0);
670 Double_t ptrelative1 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,1);
671 Double_t vecDrift[4]={fTime,(ptrelative0+ptrelative1)/2.0,fDz/500.0,event->GetRunNumber()};
672 THnSparse* curHist=NULL;
676 name+=event->GetFiredTriggerClasses();
678 curHist=(THnSparseF*)fArrayDz->FindObject(name);
680 curHist=new THnSparseF(name,"HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
681 fArrayDz->AddLast(curHist);
683 // curHist=(THnSparseF*)(fMapDz->GetValue(event->GetFiredTriggerClasses()));
685 // curHist=new THnSparseF(event->GetFiredTriggerClasses(),"HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
686 // fMapDz->Add(new TObjString(event->GetFiredTriggerClasses()),curHist);
688 curHist->Fill(vecDrift);
693 curHist=(THnSparseF*)fArrayDz->FindObject(name);
695 curHist=new THnSparseF(name,"HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
696 fArrayDz->AddLast(curHist);
698 // curHist=(THnSparseF*)(fMapDz->GetValue("all"));
700 // curHist=new THnSparseF("all","HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
701 // fMapDz->Add(new TObjString("all"),curHist);
703 curHist->Fill(vecDrift);
706 TTreeSRedirector *cstream = GetDebugStreamer();
709 (*cstream)<<"trackInfo"<<
720 "isCross="<<isCross<<
728 } // end 2nd order loop
729 } // end 1st order loop
732 TTreeSRedirector *cstream = GetDebugStreamer();
734 (*cstream)<<"timeInfo"<<
735 "run="<<fRun<< // run number
736 "event="<<fEvent<< // event number
737 "time="<<fTime<< // time stamp of event
738 "trigger="<<fTrigger<< // trigger
739 "mag="<<fMagF<< // magnetic field
740 // Environment values
742 // accumulated values
744 "fDz="<<fDz<< //! current delta z
745 "trigger="<<event->GetFiredTriggerClasses()<<
749 if (GetDebugLevel()>20) printf("Trigger: %s\n",event->GetFiredTriggerClasses().Data());
752 void AliTPCcalibTime::ProcessBeam(const AliESDEvent *const event){
754 // Process beam data - calculates vartex
755 // from A side and C side
756 // Histogram the differences
758 const Int_t kMinClusters =80;
759 const Int_t kMinTracks =2; // minimal number of tracks to define the vertex
760 const Int_t kMinTracksVertex=30; // minimal number of tracks to define the cumulative vertex
761 const Double_t kMaxTgl =1.2; // maximal Tgl (z angle)
762 const Double_t kMinPt =0.2; // minimal pt
763 const Double_t kMaxD0 =5.; // cut on distance to the primary vertex first guess
764 const Double_t kMaxZ0 =20;
765 const Double_t kMaxD =2.5; // cut on distance to the primary vertex
766 const Double_t kMaxZ =4; // maximal z distance between tracks form the same side
767 const Double_t kMaxChi2 =15; // maximal chi2 of the TPCvertex
768 const Double_t kCumulCovarXY=0.003; //increase the error of cumul vertex 30 microns profile
769 const Double_t kCumulCovarZ=250.; //increase the error of cumul vertex
770 const Double_t kMaxDvertex = 1.0; // cut to accept the vertex;
773 const Int_t kBuffSize=100;
774 static Double_t deltaZ[kBuffSize]={0};
775 static Int_t counterZ=0;
776 static AliKFVertex cumulVertexA, cumulVertexC, cumulVertexAC; // cumulative vertex
777 AliKFVertex vertexA, vertexC;
779 Float_t dca0[2]={0,0};
780 Double_t dcaVertex[2]={0,0};
781 Int_t ntracks=event->GetNumberOfTracks();
782 if (ntracks==0) return;
783 if (ntracks > fCutTracks) return;
785 AliESDfriend *esdFriend=(AliESDfriend*)(((AliESDEvent*)event)->FindListObject("AliESDfriend"));
787 // Divide tracks to A and C side tracks - using the cluster indexes
788 TObjArray tracksA(ntracks);
789 TObjArray tracksC(ntracks);
791 AliESDVertex *vertexSPD = (AliESDVertex *)event->GetPrimaryVertexSPD();
792 AliESDVertex *vertex = (AliESDVertex *)event->GetPrimaryVertex();
793 AliESDVertex *vertexTracks = (AliESDVertex *)event->GetPrimaryVertexTracks();
794 Double_t vertexZA[10000], vertexZC[10000];
799 for (Int_t itrack=0;itrack<ntracks;itrack++) {
800 AliESDtrack *track = event->GetTrack(itrack);
801 AliESDfriendTrack *friendTrack = esdFriend->GetTrack(itrack);
802 if (!friendTrack) continue;
803 if (TMath::Abs(track->GetTgl())>kMaxTgl) continue;
804 if (TMath::Abs(track->Pt())<kMinPt) continue;
805 const AliExternalTrackParam * trackIn = track->GetInnerParam();
806 TObject *calibObject=0;
807 AliTPCseed *seed = 0;
809 for (Int_t l=0;(calibObject=friendTrack->GetCalibObject(l));++l) if ((seed=dynamic_cast<AliTPCseed*>(calibObject))) break;
811 for (Int_t irow=159;irow>0;irow--) {
812 AliTPCclusterMI *cl=seed->GetClusterPointer(irow);
814 if ((cl->GetDetector()%36)<18) nA++;
815 if ((cl->GetDetector()%36)>=18) nC++;
817 if ((nA>kMinClusters || nC>kMinClusters) && (nA*nC==0) ){
818 track->GetImpactParameters(dca0[0],dca0[1]);
819 if (TMath::Abs(dca0[0])>kMaxD0) continue;
820 if (TMath::Abs(dca0[1])>kMaxZ0) continue;
821 AliExternalTrackParam pTPCvertex(*trackIn);
822 if (!AliTracker::PropagateTrackToBxByBz(&pTPCvertex,4.+4.*TMath::Abs(dca0[0]),0.1,2,kTRUE)) continue;
823 pTPCvertex.PropagateToDCA(vertex,AliTracker::GetBz(), kMaxD, dcaVertex,0);
824 if (TMath::Abs(dcaVertex[0])>kMaxD) continue;
825 if (nA>kMinClusters &&nC==0) { tracksA.AddLast(pTPCvertex.Clone()); vertexZA[ntracksA++] = pTPCvertex.GetZ();}
826 if (nC>kMinClusters &&nA==0) {tracksC.AddLast(pTPCvertex.Clone()); vertexZC[ntracksC++] = pTPCvertex.GetZ();}
830 Double_t medianZA=TMath::Median(ntracksA, vertexZA); // tracks median
831 Double_t medianZC=TMath::Median(ntracksC, vertexZC); // tracks median
833 ntracksA= tracksA.GetEntriesFast();
834 ntracksC= tracksC.GetEntriesFast();
835 if (ntracksA>kMinTracks && ntracksC>kMinTracks){
836 deltaZ[counterZ%kBuffSize]=medianZA-medianZC;
838 Double_t medianDelta=(counterZ>=kBuffSize)? TMath::Median(kBuffSize, deltaZ): TMath::Median(counterZ, deltaZ);
839 if (TMath::Abs(medianDelta-(medianZA-medianZC))>kMaxZ) flags+=16;
840 // increse the error of cumulative vertex at the beginning of event
841 cumulVertexA.Covariance(0,0)+=kCumulCovarXY*kCumulCovarXY;
842 cumulVertexA.Covariance(1,1)+=kCumulCovarXY*kCumulCovarXY;
843 cumulVertexA.Covariance(2,2)+=kCumulCovarZ*kCumulCovarZ;
844 cumulVertexC.Covariance(0,0)+=kCumulCovarXY*kCumulCovarXY;
845 cumulVertexC.Covariance(1,1)+=kCumulCovarXY*kCumulCovarXY;
846 cumulVertexC.Covariance(2,2)+=kCumulCovarZ*kCumulCovarZ;
847 cumulVertexAC.Covariance(0,0)+=kCumulCovarXY*kCumulCovarXY;
848 cumulVertexAC.Covariance(1,1)+=kCumulCovarXY*kCumulCovarXY;
849 cumulVertexAC.Covariance(2,2)+=kCumulCovarZ*kCumulCovarZ;
851 for (Int_t iA=0; iA<ntracksA; iA++){
852 if (flags!=0) continue;
853 AliExternalTrackParam *aliTrack = (AliExternalTrackParam *)tracksA.At(iA);
854 if (TMath::Abs(aliTrack->GetZ()-medianZA)>kMaxZ) continue;
855 AliKFParticle part(*aliTrack,211);
858 for (Int_t iC=0; iC<ntracksC; iC++){
859 if (flags!=0) continue;
860 AliExternalTrackParam *aliTrack = (AliExternalTrackParam *)tracksC.At(iC);
861 if (TMath::Abs(aliTrack->GetZ()-medianZC)>kMaxZ) continue;
862 AliKFParticle part(*aliTrack,211);
866 if (vertexA.GetNDF()<kMinTracks) flags+=32;
867 if (vertexC.GetNDF()<kMinTracks) flags+=32;
868 if (TMath::Abs(vertexA.Z()-medianZA)>kMaxZ) flags+=1; //apply cuts
869 if (TMath::Abs(vertexC.Z()-medianZC)>kMaxZ) flags+=2;
870 if (TMath::Abs(vertexA.GetChi2()/vertexA.GetNDF()+vertexC.GetChi2()/vertexC.GetNDF())> kMaxChi2) flags+=4;
873 for (Int_t iA=0; iA<ntracksA; iA++){
874 if (flags!=0) continue;
875 AliExternalTrackParam *aliTrack = (AliExternalTrackParam *)tracksA.At(iA);
876 if (TMath::Abs(aliTrack->GetZ()-medianZA)>kMaxZ) continue;
877 AliKFParticle part(*aliTrack,211);
881 for (Int_t iC=0; iC<ntracksC; iC++){
882 if (flags!=0) continue;
883 AliExternalTrackParam *aliTrack = (AliExternalTrackParam *)tracksC.At(iC);
884 if (TMath::Abs(aliTrack->GetZ()-medianZC)>kMaxZ) continue;
885 AliKFParticle part(*aliTrack,211);
890 if (TMath::Abs(cumulVertexA.X()-vertexA.X())>kMaxDvertex) flags+=64;
891 if (TMath::Abs(cumulVertexA.Y()-vertexA.Y())>kMaxDvertex) flags+=64;
892 if (TMath::Abs(cumulVertexA.Z()-vertexA.Z())>kMaxDvertex) flags+=64;
894 if (TMath::Abs(cumulVertexC.X()-vertexC.X())>kMaxDvertex) flags+=64;
895 if (TMath::Abs(cumulVertexC.Y()-vertexC.Y())>kMaxDvertex) flags+=64;
896 if (TMath::Abs(cumulVertexC.Z()-vertexC.Z())>kMaxDvertex) flags+=64;
899 if ( flags==0 && cumulVertexC.GetNDF()>kMinTracksVertex&&cumulVertexA.GetNDF()>kMinTracksVertex){
900 Double_t cont[2]={0,fTime};
902 cont[0]= cumulVertexA.X();
903 fTPCVertex[0]->Fill(cont);
904 cont[0]= cumulVertexC.X();
905 fTPCVertex[1]->Fill(cont);
906 cont[0]= 0.5*(cumulVertexA.X()-cumulVertexC.X());
907 fTPCVertex[2]->Fill(cont);
908 cont[0]= 0.5*(cumulVertexA.X()+cumulVertexC.X())-vertexSPD->GetX();
909 fTPCVertex[3]->Fill(cont);
911 cont[0]= cumulVertexA.Y();
912 fTPCVertex[4]->Fill(cont);
913 cont[0]= cumulVertexC.Y();
914 fTPCVertex[5]->Fill(cont);
915 cont[0]= 0.5*(cumulVertexA.Y()-cumulVertexC.Y());
916 fTPCVertex[6]->Fill(cont);
917 cont[0]= 0.5*(cumulVertexA.Y()+cumulVertexC.Y())-vertexSPD->GetY();
918 fTPCVertex[7]->Fill(cont);
921 cont[0]= 0.5*(cumulVertexA.Z()+cumulVertexC.Z());
922 fTPCVertex[8]->Fill(cont);
923 cont[0]= 0.5*(cumulVertexA.Z()-cumulVertexC.Z());
924 fTPCVertex[9]->Fill(cont);
925 cont[0]= 0.5*(cumulVertexA.Z()-cumulVertexC.Z());
926 fTPCVertex[10]->Fill(cont);
927 cont[0]= 0.5*(cumulVertexA.Z()+cumulVertexC.Z())-vertexSPD->GetZ();
928 fTPCVertex[11]->Fill(cont);
930 Double_t correl[2]={0,0};
932 correl[0]=cumulVertexC.Z();
933 correl[1]=cumulVertexA.Z();
934 fTPCVertexCorrelation[0]->Fill(correl); // fill A side :TPC
935 correl[0]=cumulVertexA.Z();
936 correl[1]=cumulVertexC.Z();
937 fTPCVertexCorrelation[1]->Fill(correl); // fill C side :TPC
939 correl[0]=vertexSPD->GetZ();
940 correl[1]=cumulVertexA.Z()-correl[0];
941 fTPCVertexCorrelation[2]->Fill(correl); // fill A side :ITS
942 correl[1]=cumulVertexC.Z()-correl[0];
943 fTPCVertexCorrelation[3]->Fill(correl); // fill C side :ITS
944 correl[1]=0.5*(cumulVertexA.Z()+cumulVertexC.Z())-correl[0];
945 fTPCVertexCorrelation[4]->Fill(correl); // fill C side :ITS
948 TTreeSRedirector *cstream = GetDebugStreamer();
951 TCut cutChi2= "sqrt(vA.fChi2/vA.fNDF+vC.fChi2/vC.fNDF)<10"; // chi2 Cut e.g 10
952 TCut cutXY= "sqrt((vA.fP[0]-vC.fP[0])^2+(vA.fP[0]-vC.fP[1])^2)<5"; // vertex Cut
953 TCut cutZ= "abs(vA.fP[2]-mZA)<3&&abs(vC.fP[2]-mZC)<5"; // vertex Cut
954 tree->Draw("sqrt(vA.fChi2/vA.fNDF)","sqrt(vA.fChi2/vA.fNDF)<100","")
959 (*cstream)<<"vertexTPC"<<
960 "flags="<<flags<< // rejection flags
961 "vSPD.="<<vertexSPD<< // SPD vertex
962 "vT.="<<vertexTracks<< // track vertex
963 "v.="<<vertex<< // esd vertex
964 "mZA="<<medianZA<< // median Z position at vertex A side
965 "mZC="<<medianZC<< // median Z position at vertex C side
966 "mDelta="<<medianDelta<< // median delta A side -C side
967 "counter="<<counterZ<< // counter Z
969 "vA.="<<&vertexA<< // vertex A side
970 "vC.="<<&vertexC<< // vertex C side
971 "cvA.="<<&cumulVertexA<< // cumulative vertex A side
972 "cvC.="<<&cumulVertexC<< // cumulative vertex C side
973 "cvAC.="<<&cumulVertexAC<< // cumulative vertex A+C side
974 "nA="<<ntracksA<< // contributors
975 "nC="<<ntracksC<< // contributors
983 void AliTPCcalibTime::Analyze(){
985 // Special macro to analyze result of calibration and extract calibration entries
986 // Not yet ported to the Analyze function yet
990 THnSparse* AliTPCcalibTime::GetHistoDrift(const char* name) const
993 // Get histogram for given trigger mask
995 TIterator* iterator = fArrayDz->MakeIterator();
997 TString newName=name;
999 THnSparse* newHist=new THnSparseF(newName,"HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
1000 THnSparse* addHist=NULL;
1001 while((addHist=(THnSparseF*)iterator->Next())){
1002 // if(!addHist) continue;
1003 TString histName=addHist->GetName();
1004 if(!histName.Contains(newName)) continue;
1006 newHist->Add(addHist);
1011 TObjArray* AliTPCcalibTime::GetHistoDrift() const
1014 // return array of histograms
1019 TGraphErrors* AliTPCcalibTime::GetGraphDrift(const char* name){
1021 // Make a drift velocity (delta Z) graph
1023 THnSparse* histoDrift=GetHistoDrift(name);
1024 TGraphErrors* graphDrift=NULL;
1026 graphDrift=FitSlices(histoDrift,2,0,400,100,0.05,0.95, kTRUE);
1027 TString end=histoDrift->GetName();
1028 Int_t pos=end.Index("_");
1029 end=end(pos,end.Capacity()-pos);
1030 TString graphName=graphDrift->ClassName();
1032 graphName.ToUpper();
1033 graphDrift->SetName(graphName);
1038 TObjArray* AliTPCcalibTime::GetGraphDrift(){
1040 // make a array of drift graphs
1042 TObjArray* arrayGraphDrift=new TObjArray();
1043 TIterator* iterator=fArrayDz->MakeIterator();
1045 THnSparse* addHist=NULL;
1046 while((addHist=(THnSparseF*)iterator->Next())) arrayGraphDrift->AddLast(GetGraphDrift(addHist->GetName()));
1047 return arrayGraphDrift;
1050 AliSplineFit* AliTPCcalibTime::GetFitDrift(const char* name){
1052 // Make a fit AliSplinefit of drift velocity
1054 TGraph* graphDrift=GetGraphDrift(name);
1055 AliSplineFit* fitDrift=NULL;
1056 if(graphDrift && graphDrift->GetN()){
1057 fitDrift=new AliSplineFit();
1058 fitDrift->SetGraph(graphDrift);
1059 fitDrift->SetMinPoints(graphDrift->GetN()+1);
1060 fitDrift->InitKnots(graphDrift,2,0,0.001);
1061 fitDrift->SplineFit(0);
1062 TString end=graphDrift->GetName();
1063 Int_t pos=end.Index("_");
1064 end=end(pos,end.Capacity()-pos);
1065 TString fitName=fitDrift->ClassName();
1068 //fitDrift->SetName(fitName);
1076 Long64_t AliTPCcalibTime::Merge(TCollection *const li) {
1078 // Object specific merging procedure
1080 TIterator* iter = li->MakeIterator();
1081 AliTPCcalibTime* cal = 0;
1083 while ((cal = (AliTPCcalibTime*)iter->Next())) {
1084 if (!cal->InheritsFrom(AliTPCcalibTime::Class())) {
1085 Error("Merge","Attempt to add object of class %s to a %s", cal->ClassName(), this->ClassName());
1088 for (Int_t imeas=0; imeas<3; imeas++){
1089 if (cal->GetHistVdriftLaserA(imeas) && cal->GetHistVdriftLaserA(imeas)){
1090 fHistVdriftLaserA[imeas]->Add(cal->GetHistVdriftLaserA(imeas));
1091 fHistVdriftLaserC[imeas]->Add(cal->GetHistVdriftLaserC(imeas));
1095 if (fTPCVertexCorrelation[0] && cal->fTPCVertexCorrelation[0]){
1096 for (Int_t imeas=0; imeas<5; imeas++){
1097 if (fTPCVertexCorrelation[imeas] && cal->fTPCVertexCorrelation[imeas]) fTPCVertexCorrelation[imeas]->Add(cal->fTPCVertexCorrelation[imeas]);
1101 if (fTPCVertex[0] && cal->fTPCVertex[0])
1102 for (Int_t imeas=0; imeas<12; imeas++){
1103 if (fTPCVertex[imeas] && cal->fTPCVertex[imeas]) fTPCVertex[imeas]->Add(cal->fTPCVertex[imeas]);
1106 if (fMemoryMode>0) for (Int_t imeas=0; imeas<5; imeas++){
1108 if ( cal->GetResHistoTPCCE(imeas) && cal->GetResHistoTPCCE(imeas)){
1109 fResHistoTPCCE[imeas]->Add(cal->fResHistoTPCCE[imeas]);
1111 fResHistoTPCCE[imeas]=(THnSparse*)cal->fResHistoTPCCE[imeas]->Clone();
1115 if ((fMemoryMode>0) &&cal->GetResHistoTPCITS(imeas) && cal->GetResHistoTPCITS(imeas)){
1116 if (fMemoryMode>1 || (imeas%2)==1) fResHistoTPCITS[imeas]->Add(cal->fResHistoTPCITS[imeas]);
1117 if (fMemoryMode>1) fResHistoTPCvertex[imeas]->Add(cal->fResHistoTPCvertex[imeas]);
1120 if ((fMemoryMode>1) && cal->fResHistoTPCTRD[imeas]){
1121 if (fResHistoTPCTRD[imeas])
1122 fResHistoTPCTRD[imeas]->Add(cal->fResHistoTPCTRD[imeas]);
1124 fResHistoTPCTRD[imeas]=(THnSparse*)cal->fResHistoTPCTRD[imeas]->Clone();
1127 if ((fMemoryMode>1) && cal->fResHistoTPCTOF[imeas]){
1128 if (fResHistoTPCTOF[imeas])
1129 fResHistoTPCTOF[imeas]->Add(cal->fResHistoTPCTOF[imeas]);
1131 fResHistoTPCTOF[imeas]=(THnSparse*)cal->fResHistoTPCTOF[imeas]->Clone();
1134 if (cal->fArrayLaserA){
1135 fArrayLaserA->Expand(fArrayLaserA->GetEntriesFast()+cal->fArrayLaserA->GetEntriesFast());
1136 fArrayLaserC->Expand(fArrayLaserC->GetEntriesFast()+cal->fArrayLaserC->GetEntriesFast());
1137 for (Int_t ical=0; ical<cal->fArrayLaserA->GetEntriesFast(); ical++){
1138 if (cal->fArrayLaserA->UncheckedAt(ical)) fArrayLaserA->AddLast(cal->fArrayLaserA->UncheckedAt(ical)->Clone());
1139 if (cal->fArrayLaserC->UncheckedAt(ical)) fArrayLaserC->AddLast(cal->fArrayLaserC->UncheckedAt(ical)->Clone());
1144 TObjArray* addArray=cal->GetHistoDrift();
1145 if(!addArray) return 0;
1146 TIterator* iterator = addArray->MakeIterator();
1148 THnSparse* addHist=NULL;
1149 if ((fMemoryMode>1)) while((addHist=(THnSparseF*)iterator->Next())){
1150 // if(!addHist) continue;
1152 THnSparse* localHist=(THnSparseF*)fArrayDz->FindObject(addHist->GetName());
1154 localHist=new THnSparseF(addHist->GetName(),"HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
1155 fArrayDz->AddLast(localHist);
1157 localHist->Add(addHist);
1160 for(Int_t i=0;i<10;i++) if (cal->GetCosmiMatchingHisto(i)) fCosmiMatchingHisto[i]->Add(cal->GetCosmiMatchingHisto(i));
1164 for (Int_t itype=0; itype<3; itype++){
1169 if (itype==0) {arr0=fAlignITSTPC; arr1=cal->fAlignITSTPC;}
1170 if (itype==1) {arr0=fAlignTRDTPC; arr1=cal->fAlignTRDTPC;}
1171 if (itype==2) {arr0=fAlignTOFTPC; arr1=cal->fAlignTOFTPC;}
1172 if (!arr1) continue;
1173 if (!arr0) arr0=new TObjArray(arr1->GetEntriesFast());
1174 if (arr1->GetEntriesFast()>arr0->GetEntriesFast()){
1175 arr0->Expand(arr1->GetEntriesFast());
1177 for (Int_t i=0;i<arr1->GetEntriesFast(); i++){
1178 AliRelAlignerKalman *kalman1 = (AliRelAlignerKalman *)arr1->UncheckedAt(i);
1179 AliRelAlignerKalman *kalman0 = (AliRelAlignerKalman *)arr0->UncheckedAt(i);
1180 if (!kalman1) continue;
1181 if (!kalman0) {arr0->AddAt(new AliRelAlignerKalman(*kalman1),i); continue;}
1182 kalman0->SetRejectOutliers(kFALSE);
1183 kalman0->Merge(kalman1);
1191 Bool_t AliTPCcalibTime::IsPair(const AliExternalTrackParam *tr0, const AliExternalTrackParam *tr1){
1193 // 0. Same direction - OPOSITE - cutDir +cutT
1194 TCut cutDir("cutDir","dir<-0.99")
1196 TCut cutT("cutT","abs(Tr1.fP[3]+Tr0.fP[3])<0.03")
1199 TCut cutD("cutD","abs(Tr0.fP[0]+Tr1.fP[0])<5")
1201 TCut cutPt("cutPt","abs(Tr1.fP[4]+Tr0.fP[4])<1&&abs(Tr0.fP[4])+abs(Tr1.fP[4])<10");
1204 const Double_t *p0 = tr0->GetParameter();
1205 const Double_t *p1 = tr1->GetParameter();
1206 fCosmiMatchingHisto[0]->Fill(p0[0]+p1[0]);
1207 fCosmiMatchingHisto[1]->Fill(p0[1]-p1[1]);
1208 fCosmiMatchingHisto[2]->Fill(tr1->GetAlpha()-tr0->GetAlpha()+TMath::Pi());
1209 fCosmiMatchingHisto[3]->Fill(p0[3]+p1[3]);
1210 fCosmiMatchingHisto[4]->Fill(p0[4]+p1[4]);
1212 if (TMath::Abs(p0[3]+p1[3])>fCutTheta) return kFALSE;
1213 if (TMath::Abs(p0[0]+p1[0])>fCutMaxD) return kFALSE;
1214 if (TMath::Abs(p0[1]-p1[1])>fCutMaxDz) return kFALSE;
1215 Double_t d0[3], d1[3];
1216 tr0->GetDirection(d0);
1217 tr1->GetDirection(d1);
1218 if (d0[0]*d1[0] + d0[1]*d1[1] + d0[2]*d1[2] >fCutMinDir) return kFALSE;
1220 fCosmiMatchingHisto[5]->Fill(p0[0]+p1[0]);
1221 fCosmiMatchingHisto[6]->Fill(p0[1]-p1[1]);
1222 fCosmiMatchingHisto[7]->Fill(tr1->GetAlpha()-tr0->GetAlpha()+TMath::Pi());
1223 fCosmiMatchingHisto[8]->Fill(p0[3]+p1[3]);
1224 fCosmiMatchingHisto[9]->Fill(p0[4]+p1[4]);
1228 Bool_t AliTPCcalibTime::IsCross(const AliESDtrack *const tr0, const AliESDtrack *const tr1){
1230 // check if the cosmic pair of tracks crossed A/C side
1232 Bool_t result= tr0->GetOuterParam()->GetZ()*tr1->GetOuterParam()->GetZ()<0;
1233 if (result==kFALSE) return result;
1238 Bool_t AliTPCcalibTime::IsSame(const AliESDtrack *const tr0, const AliESDtrack *const tr1){
1240 // track crossing the CE
1241 // 0. minimal number of clusters
1242 // 1. Same sector +-1
1243 // 2. Inner and outer track param on opposite side
1244 // 3. Outer and inner track parameter close each to other
1246 Bool_t result=kTRUE;
1248 // inner and outer on opposite sides in z
1250 const Int_t knclCut0 = 30;
1251 const Double_t kalphaCut = 0.4;
1253 // 0. minimal number of clusters
1255 if (tr0->GetTPCNcls()<knclCut0) return kFALSE;
1256 if (tr1->GetTPCNcls()<knclCut0) return kFALSE;
1258 // 1. alpha cut - sector+-1
1260 if (TMath::Abs(tr0->GetOuterParam()->GetAlpha()-tr1->GetOuterParam()->GetAlpha())>kalphaCut) return kFALSE;
1264 if (tr0->GetOuterParam()->GetZ()*tr0->GetInnerParam()->GetZ()>0) result&=kFALSE;
1265 if (tr1->GetOuterParam()->GetZ()*tr1->GetInnerParam()->GetZ()>0) result&=kFALSE;
1266 if (result==kFALSE){
1271 const Double_t *p0I = tr0->GetInnerParam()->GetParameter();
1272 const Double_t *p1I = tr1->GetInnerParam()->GetParameter();
1273 const Double_t *p0O = tr0->GetOuterParam()->GetParameter();
1274 const Double_t *p1O = tr1->GetOuterParam()->GetParameter();
1276 if (TMath::Abs(p0I[0]-p1I[0])>fCutMaxD) result&=kFALSE;
1277 if (TMath::Abs(p0I[1]-p1I[1])>fCutMaxDz) result&=kFALSE;
1278 if (TMath::Abs(p0I[2]-p1I[2])>fCutTheta) result&=kFALSE;
1279 if (TMath::Abs(p0I[3]-p1I[3])>fCutTheta) result&=kFALSE;
1280 if (TMath::Abs(p0O[0]-p1O[0])>fCutMaxD) result&=kFALSE;
1281 if (TMath::Abs(p0O[1]-p1O[1])>fCutMaxDz) result&=kFALSE;
1282 if (TMath::Abs(p0O[2]-p1O[2])>fCutTheta) result&=kFALSE;
1283 if (TMath::Abs(p0O[3]-p1O[3])>fCutTheta) result&=kFALSE;
1285 result=kTRUE; // just to put break point here
1291 void AliTPCcalibTime::ProcessSame(const AliESDtrack *const track, AliESDfriendTrack *const friendTrack, const AliESDEvent *const event){
1293 // Process TPC tracks crossing CE
1295 // 0. Select only track crossing the CE
1296 // 1. Cut on the track length
1297 // 2. Refit the the track on A and C side separatelly
1298 // 3. Fill time histograms
1299 const Int_t kMinNcl=100;
1300 const Int_t kMinNclS=25; // minimul number of clusters on the sides
1301 const Double_t pimass=TDatabasePDG::Instance()->GetParticle("pi+")->Mass();
1302 const Double_t kMaxDy=1; // maximal distance in y
1303 const Double_t kMaxDsnp=0.05; // maximal distance in snp
1304 const Double_t kMaxDtheta=0.05; // maximal distance in theta
1306 if (!friendTrack->GetTPCOut()) return;
1308 // 0. Select only track crossing the CE
1310 if (track->GetInnerParam()->GetZ()*friendTrack->GetTPCOut()->GetZ()>0) return;
1312 // 1. cut on track length
1314 if (track->GetTPCNcls()<kMinNcl) return;
1316 // 2. Refit track sepparatel on A and C side
1318 TObject *calibObject;
1319 AliTPCseed *seed = 0;
1320 for (Int_t l=0;(calibObject=friendTrack->GetCalibObject(l));++l) {
1321 if ((seed=dynamic_cast<AliTPCseed*>(calibObject))) break;
1325 AliExternalTrackParam trackIn(*track->GetInnerParam());
1326 AliExternalTrackParam trackOut(*track->GetOuterParam());
1327 Double_t cov[3]={0.01,0.,0.01}; //use the same errors
1328 Double_t xyz[3]={0,0.,0.0};
1330 Int_t nclIn=0,nclOut=0;
1331 trackIn.ResetCovariance(1000.);
1332 trackOut.ResetCovariance(1000.);
1337 for (Int_t irow=0;irow<159;irow++) {
1338 AliTPCclusterMI *cl=seed->GetClusterPointer(irow);
1340 if (cl->GetX()<80) continue;
1342 if (cl->GetDetector()%36<18) sideIn=1;
1343 if (cl->GetDetector()%36>=18) sideIn=-1;
1345 if (sideIn== -1 && (cl->GetDetector()%36)<18) break;
1346 if (sideIn== 1 &&(cl->GetDetector()%36)>=18) break;
1347 Int_t sector = cl->GetDetector();
1348 Float_t dalpha = TMath::DegToRad()*(sector%18*20.+10.)-trackIn.GetAlpha();
1349 if (TMath::Abs(dalpha)>0.01){
1350 if (!trackIn.Rotate(TMath::DegToRad()*(sector%18*20.+10.))) break;
1352 Double_t r[3]={cl->GetX(),cl->GetY(),cl->GetZ()};
1353 trackIn.GetXYZ(xyz);
1354 bz = AliTracker::GetBz(xyz);
1355 AliTracker::PropagateTrackToBxByBz(&trackIn,r[0],pimass,1.,kFALSE);
1356 if (!trackIn.PropagateTo(r[0],bz)) break;
1358 trackIn.Update(&r[1],cov);
1364 for (Int_t irow=159;irow>0;irow--) {
1365 AliTPCclusterMI *cl=seed->GetClusterPointer(irow);
1367 if (cl->GetX()<80) continue;
1369 if (cl->GetDetector()%36<18) sideOut=1;
1370 if (cl->GetDetector()%36>=18) sideOut=-1;
1371 if (sideIn==sideOut) break;
1373 if (sideOut== -1 && (cl->GetDetector()%36)<18) break;
1374 if (sideOut== 1 &&(cl->GetDetector()%36)>=18) break;
1376 Int_t sector = cl->GetDetector();
1377 Float_t dalpha = TMath::DegToRad()*(sector%18*20.+10.)-trackOut.GetAlpha();
1378 if (TMath::Abs(dalpha)>0.01){
1379 if (!trackOut.Rotate(TMath::DegToRad()*(sector%18*20.+10.))) break;
1381 Double_t r[3]={cl->GetX(),cl->GetY(),cl->GetZ()};
1382 trackOut.GetXYZ(xyz);
1383 bz = AliTracker::GetBz(xyz);
1384 AliTracker::PropagateTrackToBxByBz(&trackOut,r[0],pimass,1.,kFALSE);
1385 if (!trackOut.PropagateTo(r[0],bz)) break;
1387 trackOut.Update(&r[1],cov);
1389 trackOut.Rotate(trackIn.GetAlpha());
1390 Double_t meanX = (trackIn.GetX()+trackOut.GetX())*0.5;
1391 trackIn.PropagateTo(meanX,bz);
1392 trackOut.PropagateTo(meanX,bz);
1393 if (TMath::Abs(trackIn.GetY()-trackOut.GetY())>kMaxDy) return;
1394 if (TMath::Abs(trackIn.GetSnp()-trackOut.GetSnp())>kMaxDsnp) return;
1395 if (TMath::Abs(trackIn.GetTgl()-trackOut.GetTgl())>kMaxDtheta) return;
1396 if (TMath::Min(nclIn,nclOut)>kMinNclS){
1397 FillResHistoTPCCE(&trackIn,&trackOut);
1399 TTreeSRedirector *cstream = GetDebugStreamer();
1402 trackIn.GetXYZ(gxyz.GetMatrixArray());
1403 TTimeStamp tstamp(fTime);
1404 (*cstream)<<"tpctpc"<<
1405 "run="<<fRun<< // run number
1406 "event="<<fEvent<< // event number
1407 "time="<<fTime<< // time stamp of event
1408 "trigger="<<fTrigger<< // trigger
1409 "mag="<<fMagF<< // magnetic field
1411 "sideIn="<<sideIn<< // side at inner part
1412 "sideOut="<<sideOut<< // side at puter part
1413 "xyz.="<<&gxyz<< // global position
1414 "tIn.="<<&trackIn<< // refitterd track in
1415 "tOut.="<<&trackOut<< // refitter track out
1416 "nclIn="<<nclIn<< //
1417 "nclOut="<<nclOut<< //
1421 // 3. Fill time histograms
1422 // Debug stremaer expression
1423 // chainTPCTPC->Draw("(tIn.fP[1]-tOut.fP[1])*sign(-tIn.fP[3]):tIn.fP[3]","min(nclIn,nclOut)>30","")
1424 if (TMath::Min(nclIn,nclOut)>kMinNclS){
1425 fDz = trackOut.GetZ()-trackIn.GetZ();
1426 if (trackOut.GetTgl()<0) fDz*=-1.;
1427 TTimeStamp tstamp(fTime);
1428 Double_t ptrelative0 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,0);
1429 Double_t ptrelative1 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,1);
1430 Double_t vecDrift[4]={fTime,(ptrelative0+ptrelative1)/2.0,fDz/500.0,event->GetRunNumber()};
1432 // fill histograms per trigger class and itegrated
1434 THnSparse* curHist=NULL;
1435 for (Int_t itype=0; itype<2; itype++){
1436 TString name="MEAN_VDRIFT_CROSS_";
1438 name+=event->GetFiredTriggerClasses();
1443 curHist=(THnSparseF*)fArrayDz->FindObject(name);
1445 curHist=new THnSparseF(name,"HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
1446 fArrayDz->AddLast(curHist);
1448 curHist->Fill(vecDrift);
1454 void AliTPCcalibTime::ProcessAlignITS(AliESDtrack *const track, const AliESDfriendTrack *const friendTrack, const AliESDEvent *const event, AliESDfriend *const esdFriend){
1456 // Process track - Update TPC-ITS alignment
1458 // 0. Apply standartd cuts
1459 // 1. Recalucluate the current statistic median/RMS
1460 // 2. Apply median+-rms cut
1461 // 3. Update kalman filter
1463 const Int_t kMinTPC = 80; // minimal number of TPC cluster
1464 const Int_t kMinITS = 3; // minimal number of ITS cluster
1465 const Double_t kMinZ = 10; // maximal dz distance
1466 const Double_t kMaxDy = 2.; // maximal dy distance
1467 const Double_t kMaxAngle= 0.07; // maximal angular distance
1468 const Double_t kSigmaCut= 5; // maximal sigma distance to median
1469 const Double_t kVdErr = 0.1; // initial uncertainty of the vd correction
1470 const Double_t kT0Err = 3.; // initial uncertainty of the T0 time
1471 const Double_t kVdYErr = 0.05; // initial uncertainty of the vd correction
1472 const Double_t kOutCut = 1.0; // outlyer cut in AliRelAlgnmentKalman
1473 const Double_t kMinPt = 0.3; // minimal pt
1474 const Double_t kMax1Pt=0.5; //maximal 1/pt distance
1475 const Int_t kN=50; // deepnes of history
1476 static Int_t kglast=0;
1477 static Double_t* kgdP[4]={new Double_t[kN], new Double_t[kN], new Double_t[kN], new Double_t[kN]};
1479 // 0. Apply standard cuts
1481 Int_t dummycl[1000];
1482 if (track->GetTPCNcls()<kMinTPC) return; // minimal amount of clusters cut
1483 if (!track->IsOn(AliESDtrack::kTPCrefit)) return;
1484 if (!track->GetInnerParam()) return;
1485 if (!track->GetOuterParam()) return;
1486 if (track->GetInnerParam()->Pt()<kMinPt) return;
1487 // exclude crossing track
1488 if (track->GetOuterParam()->GetZ()*track->GetInnerParam()->GetZ()<0) return;
1489 if (TMath::Abs(track->GetInnerParam()->GetZ())<kMinZ/3.) return;
1490 if (track->GetInnerParam()->GetX()>90) return;
1492 AliExternalTrackParam &pTPC=(AliExternalTrackParam &)(*(track->GetInnerParam()));
1494 AliExternalTrackParam pITS; // ITS standalone if possible
1495 AliExternalTrackParam pITS2; //TPC-ITS track
1496 if (friendTrack->GetITSOut()){
1497 pITS2=(*(friendTrack->GetITSOut())); //TPC-ITS track - snapshot ITS out
1498 pITS2.Rotate(pTPC.GetAlpha());
1499 AliTracker::PropagateTrackToBxByBz(&pITS2,pTPC.GetX(),0.1,0.1,kFALSE);
1502 AliESDfriendTrack *itsfriendTrack=0;
1504 // try to find standalone ITS track corresponing to the TPC if possible
1506 Bool_t hasAlone=kFALSE;
1507 Int_t ntracks=event->GetNumberOfTracks();
1508 for (Int_t i=0; i<ntracks; i++){
1509 AliESDtrack * trackITS = event->GetTrack(i);
1510 if (!trackITS) continue;
1511 if (trackITS->GetITSclusters(dummycl)<kMinITS) continue; // minimal amount of clusters
1512 itsfriendTrack = esdFriend->GetTrack(i);
1513 if (!itsfriendTrack) continue;
1514 if (!itsfriendTrack->GetITSOut()) continue;
1516 if (TMath::Abs(pTPC.GetTgl()-itsfriendTrack->GetITSOut()->GetTgl())> kMaxAngle) continue;
1517 if (TMath::Abs(pTPC.GetSigned1Pt()-itsfriendTrack->GetITSOut()->GetSigned1Pt())> kMax1Pt) continue;
1518 pITS=(*(itsfriendTrack->GetITSOut()));
1520 pITS.Rotate(pTPC.GetAlpha());
1521 AliTracker::PropagateTrackToBxByBz(&pITS,pTPC.GetX(),0.1,0.1,kFALSE);
1522 if (TMath::Abs(pTPC.GetY()-pITS.GetY())> kMaxDy) continue;
1523 if (TMath::Abs(pTPC.GetSnp()-pITS.GetSnp())> kMaxAngle) continue;
1527 if (track->GetITSclusters(dummycl)<kMinITS) return;
1528 pITS=pITS2; // use combined track if it has ITS
1531 if (TMath::Abs(pITS.GetY()-pTPC.GetY()) >kMaxDy) return;
1532 if (TMath::Abs(pITS.GetSnp()-pTPC.GetSnp())>kMaxAngle) return;
1533 if (TMath::Abs(pITS.GetTgl()-pTPC.GetTgl())>kMaxAngle) return;
1535 // 1. Update median and RMS info
1537 TVectorD vecDelta(5),vecMedian(5), vecRMS(5);
1538 TVectorD vecDeltaN(5);
1539 Double_t sign=(pITS.GetParameter()[1]>0)? 1.:-1.;
1541 for (Int_t i=0;i<4;i++){
1542 vecDelta[i]=(pITS.GetParameter()[i]-pTPC.GetParameter()[i])*sign;
1543 kgdP[i][kglast%kN]=vecDelta[i];
1546 Int_t entries=(kglast<kN)?kglast:kN;
1547 for (Int_t i=0;i<4;i++){
1548 vecMedian[i] = TMath::Median(entries,kgdP[i]);
1549 vecRMS[i] = TMath::RMS(entries,kgdP[i]);
1552 vecDeltaN[i] = (vecDelta[i]-vecMedian[i])/vecRMS[i];
1553 vecDeltaN[4]+= TMath::Abs(vecDeltaN[i]); //sum of abs residuals
1557 // 2. Apply median+-rms cut
1559 if (kglast<3) return; //median and RMS to be defined
1560 if ( vecDeltaN[4]/4.>kSigmaCut) return;
1562 // 3. Update alignment
1564 Int_t htime = (fTime-fTimeKalmanBin/2)/fTimeKalmanBin; //time bins number
1565 if (fAlignITSTPC->GetEntriesFast()<htime){
1566 fAlignITSTPC->Expand(htime*2+20);
1568 AliRelAlignerKalman* align = (AliRelAlignerKalman*)fAlignITSTPC->At(htime);
1570 // make Alignment object if doesn't exist
1571 align=new AliRelAlignerKalman();
1572 align->SetRunNumber(fRun);
1573 (*align->GetStateCov())(6,6)=kVdErr*kVdErr;
1574 (*align->GetStateCov())(7,7)=kT0Err*kT0Err;
1575 (*align->GetStateCov())(8,8)=kVdYErr*kVdYErr;
1576 align->SetOutRejSigma(kOutCut+kOutCut*kN);
1577 align->SetRejectOutliers(kFALSE);
1579 align->SetTPCvd(AliTPCcalibDB::Instance()->GetParameters()->GetDriftV()/1000000.);
1580 align->SetMagField(fMagF);
1581 fAlignITSTPC->AddAt(align,htime);
1583 align->AddTrackParams(&pITS,&pTPC);
1584 Double_t averageTime = fTime;
1585 if (align->GetTimeStamp()>0&&align->GetNUpdates()>0){
1586 averageTime=((Double_t(align->GetTimeStamp())*Double_t(align->GetNUpdates())+Double_t(fTime)))/(Double_t(align->GetNUpdates())+1.);
1588 align->SetTimeStamp(Int_t(averageTime));
1590 align->SetRunNumber(fRun );
1591 Float_t dca[2],cov[3];
1592 track->GetImpactParameters(dca,cov);
1593 if (TMath::Abs(dca[0])<kMaxDy){
1594 FillResHistoTPCITS(&pTPC,&pITS);
1595 FillResHistoTPC(track);
1598 Int_t nupdates=align->GetNUpdates();
1599 align->SetOutRejSigma(kOutCut+kOutCut*kN/Double_t(nupdates));
1600 align->SetRejectOutliers(kFALSE);
1601 TTreeSRedirector *cstream = GetDebugStreamer();
1602 if (cstream && align->GetState() && align->GetState()->GetNrows()>2 ){
1603 TVectorD gpTPC(3), gdTPC(3);
1604 TVectorD gpITS(3), gdITS(3);
1605 pTPC.GetXYZ(gpTPC.GetMatrixArray());
1606 pTPC.GetDirection(gdTPC.GetMatrixArray());
1607 pITS.GetXYZ(gpITS.GetMatrixArray());
1608 pITS.GetDirection(gdITS.GetMatrixArray());
1609 (*cstream)<<"itstpc"<<
1610 "run="<<fRun<< // run number
1611 "event="<<fEvent<< // event number
1612 "time="<<fTime<< // time stamp of event
1613 "trigger="<<fTrigger<< // trigger
1614 "mag="<<fMagF<< // magnetic field
1616 "hasAlone="<<hasAlone<< // has ITS standalone ?
1617 "track.="<<track<< // track info
1618 "nmed="<<kglast<< // number of entries to define median and RMS
1619 "vMed.="<<&vecMedian<< // median of deltas
1620 "vRMS.="<<&vecRMS<< // rms of deltas
1621 "vDelta.="<<&vecDelta<< // delta in respect to median
1622 "vDeltaN.="<<&vecDeltaN<< // normalized delta in respect to median
1623 "a.="<<align<< // current alignment
1624 "pITS.="<<&pITS<< // track param ITS
1625 "pITS2.="<<&pITS2<< // track param ITS+TPC
1626 "pTPC.="<<&pTPC<< // track param TPC
1627 "gpTPC.="<<&gpTPC<< // global position TPC
1628 "gdTPC.="<<&gdTPC<< // global direction TPC
1629 "gpITS.="<<&gpITS<< // global position ITS
1630 "gdITS.="<<&gdITS<< // global position ITS
1638 void AliTPCcalibTime::ProcessAlignTRD(AliESDtrack *const track, const AliESDfriendTrack *const friendTrack){
1640 // Process track - Update TPC-TRD alignment
1642 // 0. Apply standartd cuts
1643 // 1. Recalucluate the current statistic median/RMS
1644 // 2. Apply median+-rms cut
1645 // 3. Update kalman filter
1647 const Int_t kMinTPC = 80; // minimal number of TPC cluster
1648 const Int_t kMinTRD = 50; // minimal number of TRD cluster
1649 const Double_t kMinZ = 20; // maximal dz distance
1650 const Double_t kMaxDy = 5.; // maximal dy distance
1651 const Double_t kMaxAngle= 0.1; // maximal angular distance
1652 const Double_t kSigmaCut= 10; // maximal sigma distance to median
1653 const Double_t kVdErr = 0.1; // initial uncertainty of the vd correction
1654 const Double_t kT0Err = 3.; // initial uncertainty of the T0 time
1655 const Double_t kVdYErr = 0.05; // initial uncertainty of the vd correction
1656 const Double_t kOutCut = 1.0; // outlyer cut in AliRelAlgnmentKalman
1657 const Double_t kRefX = 275; // reference X
1658 const Int_t kN=50; // deepnes of history
1659 static Int_t kglast=0;
1660 static Double_t* kgdP[4]={new Double_t[kN], new Double_t[kN], new Double_t[kN], new Double_t[kN]};
1662 // 0. Apply standard cuts
1664 Int_t dummycl[1000];
1665 if (track->GetTRDclusters(dummycl)<kMinTRD) return; // minimal amount of clusters
1666 if (track->GetTPCNcls()<kMinTPC) return; // minimal amount of clusters cut
1667 if (!friendTrack->GetTRDIn()) return;
1668 if (!track->IsOn(AliESDtrack::kTRDrefit)) return;
1669 if (!track->IsOn(AliESDtrack::kTRDout)) return;
1670 if (!track->GetInnerParam()) return;
1671 if (!friendTrack->GetTPCOut()) return;
1672 // exclude crossing track
1673 if (friendTrack->GetTPCOut()->GetZ()*track->GetInnerParam()->GetZ()<0) return;
1674 if (TMath::Abs(track->GetInnerParam()->GetZ())<kMinZ) return;
1676 AliExternalTrackParam &pTPC=(AliExternalTrackParam &)(*(friendTrack->GetTPCOut()));
1677 AliTracker::PropagateTrackToBxByBz(&pTPC,kRefX,0.1,0.1,kFALSE);
1678 AliExternalTrackParam pTRD(*(friendTrack->GetTRDIn()));
1679 pTRD.Rotate(pTPC.GetAlpha());
1680 // pTRD.PropagateTo(pTPC.GetX(),fMagF);
1681 AliTracker::PropagateTrackToBxByBz(&pTRD,pTPC.GetX(),0.1,0.1,kFALSE);
1683 ((Double_t*)pTRD.GetCovariance())[2]+=3.*3.; // increas sys errors
1684 ((Double_t*)pTRD.GetCovariance())[9]+=0.1*0.1; // increse sys errors
1686 if (TMath::Abs(pTRD.GetY()-pTPC.GetY()) >kMaxDy) return;
1687 if (TMath::Abs(pTRD.GetSnp()-pTPC.GetSnp())>kMaxAngle) return;
1688 // if (TMath::Abs(pTRD.GetTgl()-pTPC.GetTgl())>kMaxAngle) return;
1690 // 1. Update median and RMS info
1692 TVectorD vecDelta(5),vecMedian(5), vecRMS(5);
1693 TVectorD vecDeltaN(5);
1694 Double_t sign=(pTRD.GetParameter()[1]>0)? 1.:-1.;
1696 for (Int_t i=0;i<4;i++){
1697 vecDelta[i]=(pTRD.GetParameter()[i]-pTPC.GetParameter()[i])*sign;
1698 kgdP[i][kglast%kN]=vecDelta[i];
1701 Int_t entries=(kglast<kN)?kglast:kN;
1702 for (Int_t i=0;i<4;i++){
1703 vecMedian[i] = TMath::Median(entries,kgdP[i]);
1705 vecRMS[i] = TMath::RMS(entries,kgdP[i]);
1708 vecDeltaN[i] = (vecDelta[i]-vecMedian[i])/vecRMS[i];
1709 vecDeltaN[4]+= TMath::Abs(vecDeltaN[i]); //sum of abs residuals
1713 // 2. Apply median+-rms cut
1715 if (kglast<3) return; //median and RMS to be defined
1716 if ( vecDeltaN[4]/4.>kSigmaCut) return;
1718 // 3. Update alignment
1720 //Int_t htime = fTime/3600; //time in hours
1721 Int_t htime = (Int_t)(fTime-fTimeKalmanBin/2)/fTimeKalmanBin; //time in half hour
1722 if (fAlignTRDTPC->GetEntriesFast()<htime){
1723 fAlignTRDTPC->Expand(htime*2+20);
1725 AliRelAlignerKalman* align = (AliRelAlignerKalman*)fAlignTRDTPC->At(htime);
1727 // make Alignment object if doesn't exist
1728 align=new AliRelAlignerKalman();
1729 align->SetRunNumber(fRun);
1730 (*align->GetStateCov())(6,6)=kVdErr*kVdErr;
1731 (*align->GetStateCov())(7,7)=kT0Err*kT0Err;
1732 (*align->GetStateCov())(8,8)=kVdYErr*kVdYErr;
1733 align->SetOutRejSigma(kOutCut+kOutCut*kN);
1734 align->SetRejectOutliers(kFALSE);
1735 align->SetTPCvd(AliTPCcalibDB::Instance()->GetParameters()->GetDriftV()/1000000.);
1736 align->SetMagField(fMagF);
1737 fAlignTRDTPC->AddAt(align,htime);
1739 align->AddTrackParams(&pTRD,&pTPC);
1740 //align->SetTimeStamp(fTime);
1741 Double_t averageTime = fTime;
1742 if (align->GetTimeStamp()>0 && align->GetNUpdates()>0) {
1743 averageTime = (((Double_t)fTime) + ((Double_t)align->GetTimeStamp())*align->GetNUpdates()) / (align->GetNUpdates() + 1.);
1744 //printf("align->GetTimeStamp() %d, align->GetNUpdates() %d \n", align->GetTimeStamp(), align->GetNUpdates());
1746 align->SetTimeStamp((Int_t)averageTime);
1748 //printf("fTime %d, averageTime %d \n", fTime, (Int_t)averageTime);
1750 align->SetRunNumber(fRun );
1751 Float_t dca[2],cov[3];
1752 track->GetImpactParameters(dca,cov);
1753 if (TMath::Abs(dca[0])<kMaxDy){
1754 FillResHistoTPCTRD(&pTPC,&pTRD); //only primaries
1757 Int_t nupdates=align->GetNUpdates();
1758 align->SetOutRejSigma(kOutCut+kOutCut*kN/Double_t(nupdates));
1759 align->SetRejectOutliers(kFALSE);
1760 TTreeSRedirector *cstream = GetDebugStreamer();
1761 if (cstream && align->GetState() && align->GetState()->GetNrows()>2 ){
1762 TVectorD gpTPC(3), gdTPC(3);
1763 TVectorD gpTRD(3), gdTRD(3);
1764 pTPC.GetXYZ(gpTPC.GetMatrixArray());
1765 pTPC.GetDirection(gdTPC.GetMatrixArray());
1766 pTRD.GetXYZ(gpTRD.GetMatrixArray());
1767 pTRD.GetDirection(gdTRD.GetMatrixArray());
1768 (*cstream)<<"trdtpc"<<
1769 "run="<<fRun<< // run number
1770 "event="<<fEvent<< // event number
1771 "time="<<fTime<< // time stamp of event
1772 "trigger="<<fTrigger<< // trigger
1773 "mag="<<fMagF<< // magnetic field
1775 "nmed="<<kglast<< // number of entries to define median and RMS
1776 "vMed.="<<&vecMedian<< // median of deltas
1777 "vRMS.="<<&vecRMS<< // rms of deltas
1778 "vDelta.="<<&vecDelta<< // delta in respect to median
1779 "vDeltaN.="<<&vecDeltaN<< // normalized delta in respect to median
1780 "t.="<<track<< // ful track - find proper cuts
1781 "a.="<<align<< // current alignment
1782 "pTRD.="<<&pTRD<< // track param TRD
1783 "pTPC.="<<&pTPC<< // track param TPC
1784 "gpTPC.="<<&gpTPC<< // global position TPC
1785 "gdTPC.="<<&gdTPC<< // global direction TPC
1786 "gpTRD.="<<&gpTRD<< // global position TRD
1787 "gdTRD.="<<&gdTRD<< // global position TRD
1793 void AliTPCcalibTime::ProcessAlignTOF(AliESDtrack *const track, const AliESDfriendTrack *const friendTrack){
1796 // Process track - Update TPC-TOF alignment
1798 // -1. Make a TOF "track"
1799 // 0. Apply standartd cuts
1800 // 1. Recalucluate the current statistic median/RMS
1801 // 2. Apply median+-rms cut
1802 // 3. Update kalman filter
1804 const Int_t kMinTPC = 80; // minimal number of TPC cluster
1805 // const Double_t kMinZ = 10; // maximal dz distance
1806 const Double_t kMaxDy = 5.; // maximal dy distance
1807 const Double_t kMaxAngle= 0.05; // maximal angular distance
1808 const Double_t kSigmaCut= 5; // maximal sigma distance to median
1809 const Double_t kVdErr = 0.1; // initial uncertainty of the vd correction
1810 const Double_t kT0Err = 3.; // initial uncertainty of the T0 time
1811 const Double_t kVdYErr = 0.05; // initial uncertainty of the vd correction
1813 const Double_t kOutCut = 1.0; // outlyer cut in AliRelAlgnmentKalman
1814 const Int_t kN=50; // deepnes of history
1815 static Int_t kglast=0;
1816 static Double_t* kgdP[4]={new Double_t[kN], new Double_t[kN], new Double_t[kN], new Double_t[kN]};
1818 // -1. Make a TOF track-
1819 // Clusters are not in friends - use alingment points
1821 if (track->GetTOFsignal()<=0) return;
1822 if (!friendTrack->GetTPCOut()) return;
1823 if (!track->GetInnerParam()) return;
1824 if (!friendTrack->GetTPCOut()) return;
1825 const AliTrackPointArray *points=friendTrack->GetTrackPointArray();
1826 if (!points) return;
1827 AliExternalTrackParam pTPC(*(friendTrack->GetTPCOut()));
1828 AliExternalTrackParam pTOF(pTPC);
1829 Double_t mass = TDatabasePDG::Instance()->GetParticle("mu+")->Mass();
1830 Int_t npoints = points->GetNPoints();
1831 AliTrackPoint point;
1834 for (Int_t ipoint=0;ipoint<npoints;ipoint++){
1835 points->GetPoint(point,ipoint);
1838 Double_t r=TMath::Sqrt(xyz[0]*xyz[0]+xyz[1]*xyz[1]);
1839 if (r<350) continue;
1840 if (r>400) continue;
1841 AliTracker::PropagateTrackToBxByBz(&pTPC,r,mass,2.,kTRUE);
1842 AliTracker::PropagateTrackToBxByBz(&pTPC,r,mass,0.1,kTRUE);
1843 AliTrackPoint lpoint = point.Rotate(pTPC.GetAlpha());
1844 pTPC.PropagateTo(lpoint.GetX(),fMagF);
1846 ((Double_t*)pTOF.GetParameter())[0] =lpoint.GetY();
1847 ((Double_t*)pTOF.GetParameter())[1] =lpoint.GetZ();
1848 ((Double_t*)pTOF.GetCovariance())[0]+=3.*3./12.;
1849 ((Double_t*)pTOF.GetCovariance())[2]+=3.*3./12.;
1850 ((Double_t*)pTOF.GetCovariance())[5]+=0.1*0.1;
1851 ((Double_t*)pTOF.GetCovariance())[9]+=0.1*0.1;
1854 if (naccept==0) return; // no tof match clusters
1856 // 0. Apply standard cuts
1858 if (track->GetTPCNcls()<kMinTPC) return; // minimal amount of clusters cut
1859 // exclude crossing track
1860 if (friendTrack->GetTPCOut()->GetZ()*track->GetInnerParam()->GetZ()<0) return;
1862 if (TMath::Abs(pTOF.GetY()-pTPC.GetY()) >kMaxDy) return;
1863 if (TMath::Abs(pTOF.GetSnp()-pTPC.GetSnp())>kMaxAngle) return;
1864 if (TMath::Abs(pTOF.GetTgl()-pTPC.GetTgl())>kMaxAngle) return;
1866 // 1. Update median and RMS info
1868 TVectorD vecDelta(5),vecMedian(5), vecRMS(5);
1869 TVectorD vecDeltaN(5);
1870 Double_t sign=(pTOF.GetParameter()[1]>0)? 1.:-1.;
1872 for (Int_t i=0;i<4;i++){
1873 vecDelta[i]=(pTOF.GetParameter()[i]-pTPC.GetParameter()[i])*sign;
1874 kgdP[i][kglast%kN]=vecDelta[i];
1877 Int_t entries=(kglast<kN)?kglast:kN;
1879 for (Int_t i=0;i<4;i++){
1880 vecMedian[i] = TMath::Median(entries,kgdP[i]);
1881 vecRMS[i] = TMath::RMS(entries,kgdP[i]);
1884 vecDeltaN[i] = (vecDelta[i]-vecMedian[i])/(vecRMS[i]+1.);
1885 vecDeltaN[4]+= TMath::Abs(vecDeltaN[i]); //sum of abs residuals
1886 if (TMath::Abs(vecDeltaN[i])>kSigmaCut) isOK=kFALSE;
1890 // 2. Apply median+-rms cut
1892 if (kglast<10) return; //median and RMS to be defined
1895 // 3. Update alignment
1897 //Int_t htime = fTime/3600; //time in hours
1898 Int_t htime = (Int_t)(fTime-fTimeKalmanBin)/fTimeKalmanBin; //time bin
1899 if (fAlignTOFTPC->GetEntriesFast()<htime){
1900 fAlignTOFTPC->Expand(htime*2+20);
1902 AliRelAlignerKalman* align = (AliRelAlignerKalman*)fAlignTOFTPC->At(htime);
1904 // make Alignment object if doesn't exist
1905 align=new AliRelAlignerKalman();
1906 align->SetRunNumber(fRun);
1907 (*align->GetStateCov())(6,6)=kVdErr*kVdErr;
1908 (*align->GetStateCov())(7,7)=kT0Err*kT0Err;
1909 (*align->GetStateCov())(8,8)=kVdYErr*kVdYErr;
1910 align->SetOutRejSigma(kOutCut+kOutCut*kN);
1911 align->SetRejectOutliers(kFALSE);
1912 align->SetTPCvd(AliTPCcalibDB::Instance()->GetParameters()->GetDriftV()/1000000.);
1913 align->SetMagField(fMagF);
1914 fAlignTOFTPC->AddAt(align,htime);
1916 align->AddTrackParams(&pTOF,&pTPC);
1917 Float_t dca[2],cov[3];
1918 track->GetImpactParameters(dca,cov);
1919 if (TMath::Abs(dca[0])<kMaxDy){
1920 FillResHistoTPCTOF(&pTPC,&pTOF);
1922 //align->SetTimeStamp(fTime);
1923 Double_t averageTime = fTime;
1924 if (align->GetTimeStamp()>0 && align->GetNUpdates()>0) {
1925 averageTime = (((Double_t)fTime) + ((Double_t)align->GetTimeStamp())*align->GetNUpdates()) / (align->GetNUpdates() + 1.);
1926 //printf("align->GetTimeStamp() %d, align->GetNUpdates() %d \n", align->GetTimeStamp(), align->GetNUpdates());
1928 align->SetTimeStamp((Int_t)averageTime);
1930 //printf("fTime %d, averageTime %d \n", fTime, (Int_t)averageTime);
1932 align->SetRunNumber(fRun );
1934 Int_t nupdates=align->GetNUpdates();
1935 align->SetOutRejSigma(kOutCut+kOutCut*kN/Double_t(nupdates));
1936 align->SetRejectOutliers(kFALSE);
1937 TTreeSRedirector *cstream = GetDebugStreamer();
1938 if (cstream && align->GetState() && align->GetState()->GetNrows()>2 ){
1939 TVectorD gpTPC(3), gdTPC(3);
1940 TVectorD gpTOF(3), gdTOF(3);
1941 pTPC.GetXYZ(gpTPC.GetMatrixArray());
1942 pTPC.GetDirection(gdTPC.GetMatrixArray());
1943 pTOF.GetXYZ(gpTOF.GetMatrixArray());
1944 pTOF.GetDirection(gdTOF.GetMatrixArray());
1945 (*cstream)<<"toftpc"<<
1946 "run="<<fRun<< // run number
1947 "event="<<fEvent<< // event number
1948 "time="<<fTime<< // time stamp of event
1949 "trigger="<<fTrigger<< // trigger
1950 "mag="<<fMagF<< // magnetic field
1952 "nmed="<<kglast<< // number of entries to define median and RMS
1953 "vMed.="<<&vecMedian<< // median of deltas
1954 "vRMS.="<<&vecRMS<< // rms of deltas
1955 "vDelta.="<<&vecDelta<< // delta in respect to median
1956 "vDeltaN.="<<&vecDeltaN<< // normalized delta in respect to median
1957 "t.="<<track<< // ful track - find proper cuts
1958 "a.="<<align<< // current alignment
1959 "pTOF.="<<&pTOF<< // track param TOF
1960 "pTPC.="<<&pTPC<< // track param TPC
1961 "gpTPC.="<<&gpTPC<< // global position TPC
1962 "gdTPC.="<<&gdTPC<< // global direction TPC
1963 "gpTOF.="<<&gpTOF<< // global position TOF
1964 "gdTOF.="<<&gdTOF<< // global position TOF
1970 void AliTPCcalibTime::BookDistortionMaps(){
1972 // Book ndimensional histograms of distortions/residuals
1973 // Only primary tracks are selected for analysis
1976 Double_t xminTrack[5], xmaxTrack[5];
1978 TString axisName[5];
1979 TString axisTitle[5];
1982 axisName[0] ="#Delta";
1983 axisTitle[0] ="#Delta";
1986 xminTrack[1] =-1.1; xmaxTrack[1]=1.1;
1987 axisName[1] ="tanTheta";
1988 axisTitle[1] ="tan(#Theta)";
1991 xminTrack[2] =-TMath::Pi(); xmaxTrack[2]=TMath::Pi();
1993 axisTitle[2] ="#phi";
1996 xminTrack[3] =-1.; xmaxTrack[3]=1.; // 0.33 GeV cut
1998 axisTitle[3] ="snp";
2001 xminTrack[4] =120.; xmaxTrack[4]=215.; // crossing radius for CE only
2003 axisTitle[4] ="r(cm)";
2006 xminTrack[0] =-1.5; xmaxTrack[0]=1.5; //
2007 fResHistoTPCCE[0] = new THnSparseS("TPCCE#Delta_{Y} (cm)","#Delta_{Y} (cm)", 5, binsTrack,xminTrack, xmaxTrack);
2008 fResHistoTPCITS[0] = new THnSparseS("TPCITS#Delta_{Y} (cm)","#Delta_{Y} (cm)", 4, binsTrack,xminTrack, xmaxTrack);
2009 fResHistoTPCvertex[0] = new THnSparseS("TPCVertex#Delta_{Y} (cm)","#Delta_{Y} (cm)", 4, binsTrack,xminTrack, xmaxTrack);
2010 xminTrack[0] =-1.5; xmaxTrack[0]=1.5; //
2011 fResHistoTPCTRD[0] = new THnSparseS("TPCTRD#Delta_{Y} (cm)","#Delta_{Y} (cm)", 4, binsTrack,xminTrack, xmaxTrack);
2012 xminTrack[0] =-5; xmaxTrack[0]=5; //
2013 fResHistoTPCTOF[0] = new THnSparseS("TPCTOF#Delta_{Y} (cm)","#Delta_{Y} (cm)", 4, binsTrack,xminTrack, xmaxTrack);
2016 xminTrack[0] =-3.; xmaxTrack[0]=3.; //
2017 fResHistoTPCCE[1] = new THnSparseS("TPCCE#Delta_{Z} (cm)","#Delta_{Z} (cm)", 5, binsTrack,xminTrack, xmaxTrack);
2018 fResHistoTPCITS[1] = new THnSparseS("TPCITS#Delta_{Z} (cm)","#Delta_{Z} (cm)", 4, binsTrack,xminTrack, xmaxTrack);
2019 fResHistoTPCvertex[1] = new THnSparseS("TPCVertex#Delta_{Z} (cm)","#Delta_{Z} (cm)", 4, binsTrack,xminTrack, xmaxTrack);
2020 fResHistoTPCTRD[1] = new THnSparseS("TPCTRD#Delta_{Z} (cm)","#Delta_{Z} (cm)", 4, binsTrack,xminTrack, xmaxTrack);
2021 xminTrack[0] =-5.; xmaxTrack[0]=5.; //
2022 fResHistoTPCTOF[1] = new THnSparseS("TPCTOF#Delta_{Z} (cm)","#Delta_{Z} (cm)", 4, binsTrack,xminTrack, xmaxTrack);
2025 xminTrack[0] =-0.015; xmaxTrack[0]=0.015; //
2026 fResHistoTPCCE[2] = new THnSparseS("TPCCE#Delta_{#phi}","#Delta_{#phi}", 5, binsTrack,xminTrack, xmaxTrack);
2027 fResHistoTPCITS[2] = new THnSparseS("TPCITS#Delta_{#phi}","#Delta_{#phi}", 4, binsTrack,xminTrack, xmaxTrack);
2028 fResHistoTPCvertex[2] = new THnSparseS("TPCITSv#Delta_{#phi}","#Delta_{#phi}", 4, binsTrack,xminTrack, xmaxTrack);
2029 fResHistoTPCTRD[2] = new THnSparseS("TPCTRD#Delta_{#phi}","#Delta_{#phi}", 4, binsTrack,xminTrack, xmaxTrack);
2030 fResHistoTPCTOF[2] = new THnSparseS("TPCTOF#Delta_{#phi}","#Delta_{#phi}", 4, binsTrack,xminTrack, xmaxTrack);
2033 xminTrack[0] =-0.025; xmaxTrack[0]=0.025; //
2034 fResHistoTPCCE[3] = new THnSparseS("TPCCE#Delta_{#theta}","#Delta_{#theta}", 5, binsTrack,xminTrack, xmaxTrack);
2035 fResHistoTPCITS[3] = new THnSparseS("TPCITS#Delta_{#theta}","#Delta_{#theta}", 4, binsTrack,xminTrack, xmaxTrack);
2036 fResHistoTPCvertex[3] = new THnSparseS("TPCITSv#Delta_{#theta}","#Delta_{#theta}", 4, binsTrack,xminTrack, xmaxTrack);
2037 fResHistoTPCTRD[3] = new THnSparseS("TPCTRD#Delta_{#theta}","#Delta_{#theta}", 4, binsTrack,xminTrack, xmaxTrack);
2038 fResHistoTPCTOF[3] = new THnSparseS("TPCTOF#Delta_{#theta}","#Delta_{#theta}", 4, binsTrack,xminTrack, xmaxTrack);
2041 xminTrack[0] =-0.2; xmaxTrack[0]=0.2; //
2042 fResHistoTPCCE[4] = new THnSparseS("TPCCE#Delta_{1/pt}","#Delta_{1/pt}", 5, binsTrack,xminTrack, xmaxTrack);
2043 fResHistoTPCITS[4] = new THnSparseS("TPCITS#Delta_{1/pt}","#Delta_{1/pt}", 4, binsTrack,xminTrack, xmaxTrack);
2044 fResHistoTPCvertex[4] = new THnSparseS("TPCITSv#Delta_{1/pt}","#Delta_{1/pt}", 4, binsTrack,xminTrack, xmaxTrack);
2045 fResHistoTPCTRD[4] = new THnSparseS("TPCTRD#Delta_{1/pt}","#Delta_{1/pt}", 4, binsTrack,xminTrack, xmaxTrack);
2046 fResHistoTPCTOF[4] = new THnSparseS("TPCTOF#Delta_{1/pt}","#Delta_{1/pt}", 4, binsTrack,xminTrack, xmaxTrack);
2048 for (Int_t ivar=0;ivar<4;ivar++){
2049 for (Int_t ivar2=0;ivar2<5;ivar2++){
2050 fResHistoTPCCE[ivar]->GetAxis(ivar2)->SetName(axisName[ivar2].Data());
2051 fResHistoTPCCE[ivar]->GetAxis(ivar2)->SetTitle(axisTitle[ivar2].Data());
2053 fResHistoTPCITS[ivar]->GetAxis(ivar2)->SetName(axisName[ivar2].Data());
2054 fResHistoTPCITS[ivar]->GetAxis(ivar2)->SetTitle(axisTitle[ivar2].Data());
2055 fResHistoTPCTRD[ivar]->GetAxis(ivar2)->SetName(axisName[ivar2].Data());
2056 fResHistoTPCTRD[ivar]->GetAxis(ivar2)->SetTitle(axisTitle[ivar2].Data());
2057 fResHistoTPCvertex[ivar]->GetAxis(ivar2)->SetName(axisName[ivar2].Data());
2058 fResHistoTPCvertex[ivar]->GetAxis(ivar2)->SetTitle(axisTitle[ivar2].Data());
2063 // Book vertex: time histograms
2065 Int_t binsVertex[2]={500, fTimeBins};
2066 Double_t aminVertex[2]={-5,fTimeStart};
2067 Double_t amaxVertex[2]={5, fTimeEnd};
2068 const char* hnames[12]={"TPCXAside", "TPCXCside","TPCXACdiff","TPCXAPCdiff",
2069 "TPCYAside", "TPCYCside","TPCYACdiff","TPCYAPCdiff",
2070 "TPCZAPCside", "TPCZAMCside","TPCZACdiff","TPCZAPCdiff"};
2071 const char* anames[12]={"x (cm) - A side ", "x (cm) - C side","#Delta_{x} (cm) - TPC-A-C","#Delta_{x} (cm) - TPC-Common",
2072 "y (cm) - A side ", "y (cm) - C side","#Delta_{x} (cm) - TPC-A-C","#Delta_{y} (cm) - TPC-Common",
2073 "z (cm)", "#Delta_{Z} (cm) A-C side","#Delta_{x} (cm) - TPC-A-C","#Delta_{Z} (cm) TPC-common"};
2074 for (Int_t ihis=0; ihis<12; ihis++) {
2075 if (ihis>=8) aminVertex[0]=-20.;
2076 if (ihis>=8) amaxVertex[0]=20.;
2077 fTPCVertex[ihis]=new THnSparseF(hnames[ihis],hnames[ihis],2,binsVertex,aminVertex,amaxVertex);
2078 fTPCVertex[ihis]->GetAxis(1)->SetTitle("Time");
2079 fTPCVertex[ihis]->GetAxis(0)->SetTitle(anames[ihis]);
2082 Int_t binsVertexC[2]={40, 300};
2083 Double_t aminVertexC[2]={-20,-30};
2084 Double_t amaxVertexC[2]={20,30};
2085 const char* hnamesC[5]={"TPCA_TPC","TPCC_TPC","TPCA_ITS","TPCC_ITS","TPC_ITS"};
2086 for (Int_t ihis=0; ihis<5; ihis++) {
2087 fTPCVertexCorrelation[ihis]=new THnSparseF(hnamesC[ihis],hnamesC[ihis],2,binsVertexC,aminVertexC,amaxVertexC);
2088 fTPCVertexCorrelation[ihis]->GetAxis(1)->SetTitle("z (cm)");
2089 fTPCVertexCorrelation[ihis]->GetAxis(0)->SetTitle("z (cm)");
2094 void AliTPCcalibTime::FillResHistoTPCCE(const AliExternalTrackParam * pTPCIn, const AliExternalTrackParam * pTPCOut ){
2096 // fill residual histograms pTPCOut-pTPCin - trac crossing CE
2099 if (fMemoryMode<2) return;
2102 pTPCIn->GetXYZ(xyz);
2103 Double_t phi= TMath::ATan2(xyz[1],xyz[0]);
2104 histoX[1]= pTPCIn->GetTgl();
2106 histoX[3]= pTPCIn->GetSnp();
2107 histoX[4]= pTPCIn->GetX();
2108 AliExternalTrackParam lout(*pTPCOut);
2109 lout.Rotate(pTPCIn->GetAlpha());
2110 lout.PropagateTo(pTPCIn->GetX(),fMagF);
2112 for (Int_t ihisto=0; ihisto<5; ihisto++){
2113 histoX[0]=lout.GetParameter()[ihisto]-pTPCIn->GetParameter()[ihisto];
2114 fResHistoTPCCE[ihisto]->Fill(histoX);
2117 void AliTPCcalibTime::FillResHistoTPCITS(const AliExternalTrackParam * pTPCIn, const AliExternalTrackParam * pITSOut ){
2119 // fill residual histograms pTPCIn-pITSOut
2120 // Histogram is filled only for primary tracks
2124 pTPCIn->GetXYZ(xyz);
2125 Double_t phi= TMath::ATan2(xyz[1],xyz[0]);
2126 histoX[1]= pTPCIn->GetTgl();
2128 histoX[3]= pTPCIn->GetSnp();
2129 AliExternalTrackParam lits(*pITSOut);
2130 lits.Rotate(pTPCIn->GetAlpha());
2131 lits.PropagateTo(pTPCIn->GetX(),fMagF);
2133 for (Int_t ihisto=0; ihisto<5; ihisto++){
2134 histoX[0]=pTPCIn->GetParameter()[ihisto]-lits.GetParameter()[ihisto];
2135 fResHistoTPCITS[ihisto]->Fill(histoX);
2140 void AliTPCcalibTime::FillResHistoTPC(const AliESDtrack * pTrack){
2142 // fill residual histograms pTPC - vertex
2143 // Histogram is filled only for primary tracks
2145 if (fMemoryMode<2) return;
2147 const AliExternalTrackParam * pTPCIn = pTrack->GetInnerParam();
2148 AliExternalTrackParam pTPCvertex(*(pTrack->GetInnerParam()));
2150 AliExternalTrackParam lits(*pTrack);
2151 if (TMath::Abs(pTrack->GetY())>3) return; // beam pipe
2152 pTPCvertex.Rotate(lits.GetAlpha());
2153 //pTPCvertex.PropagateTo(pTPCvertex->GetX(),fMagF);
2154 AliTracker::PropagateTrackToBxByBz(&pTPCvertex,lits.GetX(),0.1,2,kFALSE);
2155 AliTracker::PropagateTrackToBxByBz(&pTPCvertex,lits.GetX(),0.1,0.1,kFALSE);
2157 pTPCIn->GetXYZ(xyz);
2158 Double_t phi= TMath::ATan2(xyz[1],xyz[0]);
2159 histoX[1]= pTPCIn->GetTgl();
2161 histoX[3]= pTPCIn->GetSnp();
2163 Float_t dca[2], cov[3];
2164 pTrack->GetImpactParametersTPC(dca,cov);
2165 for (Int_t ihisto=0; ihisto<5; ihisto++){
2166 histoX[0]=pTPCvertex.GetParameter()[ihisto]-lits.GetParameter()[ihisto];
2167 // if (ihisto<2) histoX[0]=dca[ihisto];
2168 fResHistoTPCvertex[ihisto]->Fill(histoX);
2173 void AliTPCcalibTime::FillResHistoTPCTRD(const AliExternalTrackParam * pTPCOut, const AliExternalTrackParam * pTRDIn ){
2175 // fill resuidual histogram TPCout-TRDin
2177 if (fMemoryMode<2) return;
2180 pTPCOut->GetXYZ(xyz);
2181 Double_t phi= TMath::ATan2(xyz[1],xyz[0]);
2182 histoX[1]= pTPCOut->GetTgl();
2184 histoX[3]= pTPCOut->GetSnp();
2186 AliExternalTrackParam ltrd(*pTRDIn);
2187 ltrd.Rotate(pTPCOut->GetAlpha());
2188 // ltrd.PropagateTo(pTPCOut->GetX(),fMagF);
2189 AliTracker::PropagateTrackToBxByBz(<rd,pTPCOut->GetX(),0.1,0.1,kFALSE);
2191 for (Int_t ihisto=0; ihisto<5; ihisto++){
2192 histoX[0]=pTPCOut->GetParameter()[ihisto]-ltrd.GetParameter()[ihisto];
2193 fResHistoTPCTRD[ihisto]->Fill(histoX);
2198 void AliTPCcalibTime::FillResHistoTPCTOF(const AliExternalTrackParam * pTPCOut, const AliExternalTrackParam * pTOFIn ){
2200 // fill resuidual histogram TPCout-TOFin
2201 // track propagated to the TOF position
2202 if (fMemoryMode<2) return;
2206 AliExternalTrackParam ltpc(*pTPCOut);
2207 ltpc.Rotate(pTOFIn->GetAlpha());
2208 AliTracker::PropagateTrackToBxByBz(<pc,pTOFIn->GetX(),0.1,0.1,kFALSE);
2211 Double_t phi= TMath::ATan2(xyz[1],xyz[0]);
2212 histoX[1]= ltpc.GetTgl();
2214 histoX[3]= ltpc.GetSnp();
2216 for (Int_t ihisto=0; ihisto<2; ihisto++){
2217 histoX[0]=ltpc.GetParameter()[ihisto]-pTOFIn->GetParameter()[ihisto];
2218 fResHistoTPCTOF[ihisto]->Fill(histoX);