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];
316 fAlignITSTPC->SetOwner(kTRUE);
317 fAlignTRDTPC->SetOwner(kTRUE);
318 fAlignTOFTPC->SetOwner(kTRUE);
320 fAlignITSTPC->Delete();
321 fAlignTRDTPC->Delete();
322 fAlignTOFTPC->Delete();
328 // Bool_t AliTPCcalibTime::IsLaser(const AliESDEvent *const /*event*/) const{
330 // // Indicator is laser event not yet implemented - to be done using trigger info or event specie
332 // return kTRUE; //More accurate creteria to be added
334 // Bool_t AliTPCcalibTime::IsCosmics(const AliESDEvent *const /*event*/){
336 // // Indicator is cosmic event not yet implemented - to be done using trigger info or event specie
339 // return kTRUE; //More accurate creteria to be added
341 // Bool_t AliTPCcalibTime::IsBeam(const AliESDEvent *const /*event*/) const{
343 // // Indicator is physic event not yet implemented - to be done using trigger info or event specie
346 // return kTRUE; //More accurate creteria to be added
348 void AliTPCcalibTime::ResetCurrent(){
352 fDz=0; //Reset current dz
357 void AliTPCcalibTime::Process(AliESDEvent *event){
359 // main function to make calibration
362 if (event->GetNumberOfTracks()<2) return;
364 //if(IsLaser (event))
365 ProcessLaser (event);
366 //if(IsCosmics(event))
367 ProcessCosmic(event);
372 void AliTPCcalibTime::ProcessLaser(AliESDEvent *event){
374 // Fit drift velocity using laser
377 const Int_t kMinTracks = 40; // minimal number of laser tracks
378 const Int_t kMinTracksSide = 20; // minimal number of tracks per side
379 const Float_t kMaxDeltaZ = 30.; // maximal trigger delay
380 const Float_t kMaxDeltaV = 0.05; // maximal deltaV
381 const Float_t kMaxRMS = 0.1; // maximal RMS of tracks
384 TCut cutRMS("sqrt(laserA.fElements[4])<0.1&&sqrt(laserC.fElements[4])<0.1");
385 TCut cutZ("abs(laserA.fElements[0]-laserC.fElements[0])<3");
386 TCut cutV("abs(laserA.fElements[1]-laserC.fElements[1])<0.01");
387 TCut cutY("abs(laserA.fElements[2]-laserC.fElements[2])<2");
388 TCut cutAll = cutRMS+cutZ+cutV+cutY;
390 if (event->GetNumberOfTracks()<kMinTracks) return;
392 if(!fLaser) fLaser = new AliTPCcalibLaser("laserTPC","laserTPC",kFALSE);
393 fLaser->Process(event);
394 if (fLaser->GetNtracks()<kMinTracks) return; // small amount of tracks cut
395 if (fLaser->fFitAside->GetNrows()==0 && fLaser->fFitCside->GetNrows()==0) return; // no fit neither a or C side
397 // debug streamer - activate stream level
398 // Use it for tuning of the cuts
400 // cuts to be applied
402 Int_t isReject[2]={0,0};
405 if (TMath::Abs((*fLaser->fFitAside)[3]) < kMinTracksSide) isReject[0]|=1;
406 if (TMath::Abs((*fLaser->fFitCside)[3]) < kMinTracksSide) isReject[1]|=1;
407 // unreasonable z offset
408 if (TMath::Abs((*fLaser->fFitAside)[0])>kMaxDeltaZ) isReject[0]|=2;
409 if (TMath::Abs((*fLaser->fFitCside)[0])>kMaxDeltaZ) isReject[1]|=2;
410 // unreasonable drift velocity
411 if (TMath::Abs((*fLaser->fFitAside)[1]-1)>kMaxDeltaV) isReject[0]|=4;
412 if (TMath::Abs((*fLaser->fFitCside)[1]-1)>kMaxDeltaV) isReject[1]|=4;
414 if (TMath::Sqrt(TMath::Abs((*fLaser->fFitAside)[4]))>kMaxRMS ) isReject[0]|=8;
415 if (TMath::Sqrt(TMath::Abs((*fLaser->fFitCside)[4]))>kMaxRMS ) isReject[1]|=8;
421 printf("Trigger: %s\n",event->GetFiredTriggerClasses().Data());
423 TTreeSRedirector *cstream = GetDebugStreamer();
425 TTimeStamp tstamp(fTime);
426 (*cstream)<<"laserInfo"<<
427 "run="<<fRun<< // run number
428 "event="<<fEvent<< // event number
429 "time="<<fTime<< // time stamp of event
430 "trigger="<<fTrigger<< // trigger
431 "mag="<<fMagF<< // magnetic field
433 "rejectA="<<isReject[0]<<
434 "rejectC="<<isReject[1]<<
435 "laserA.="<<fLaser->fFitAside<<
436 "laserC.="<<fLaser->fFitCside<<
437 "laserAC.="<<fLaser->fFitACside<<
438 "trigger="<<event->GetFiredTriggerClasses()<<
445 TVectorD vdriftA(5), vdriftC(5),vdriftAC(6);
446 vdriftA=*(fLaser->fFitAside);
447 vdriftC=*(fLaser->fFitCside);
448 vdriftAC=*(fLaser->fFitACside);
449 Int_t npointsA=0, npointsC=0;
450 Float_t chi2A=0, chi2C=0;
451 npointsA= TMath::Nint(vdriftA[3]);
453 npointsC= TMath::Nint(vdriftC[3]);
456 if (npointsA>kMinTracksSide || npointsC>kMinTracksSide){
457 TVectorD *fitA = new TVectorD(6);
458 TVectorD *fitC = new TVectorD(6);
459 for (Int_t ipar=0; ipar<5; ipar++){
460 (*fitA)[ipar]=vdriftA[ipar];
461 (*fitC)[ipar]=vdriftC[ipar];
465 fArrayLaserA->AddLast(fitA);
466 fArrayLaserC->AddLast(fitC);
470 TTimeStamp tstamp(fTime);
471 Double_t ptrelative0 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,0);
472 Double_t ptrelative1 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,1);
473 Double_t driftA=0, driftC=0;
474 if (vdriftA[1]>1.-kMaxDeltaV) driftA = 1./vdriftA[1]-1.;
475 if (vdriftC[1]>1.-kMaxDeltaV) driftC = 1./vdriftC[1]-1.;
477 Double_t vecDriftLaserA[4]={fTime,(ptrelative0+ptrelative1)/2.0,driftA,event->GetRunNumber()};
478 Double_t vecDriftLaserC[4]={fTime,(ptrelative0+ptrelative1)/2.0,driftC,event->GetRunNumber()};
479 // Double_t vecDrift[4] ={fTime,(ptrelative0+ptrelative1)/2.0,1./((*(fLaser->fFitACside))[1])-1,event->GetRunNumber()};
481 for (Int_t icalib=0;icalib<3;icalib++){
482 if (icalib==0){ //z0 shift
483 vecDriftLaserA[2]=vdriftA[0]/250.;
484 vecDriftLaserC[2]=vdriftC[0]/250.;
486 if (icalib==1){ //vdrel shift
487 vecDriftLaserA[2]=driftA;
488 vecDriftLaserC[2]=driftC;
490 if (icalib==2){ //gy shift - full gy - full drift
491 vecDriftLaserA[2]=vdriftA[2]/250.;
492 vecDriftLaserC[2]=vdriftC[2]/250.;
494 //if (isReject[0]==0) fHistVdriftLaserA[icalib]->Fill(vecDriftLaserA);
495 //if (isReject[1]==0) fHistVdriftLaserC[icalib]->Fill(vecDriftLaserC);
496 fHistVdriftLaserA[icalib]->Fill(vecDriftLaserA);
497 fHistVdriftLaserC[icalib]->Fill(vecDriftLaserC);
501 void AliTPCcalibTime::ProcessCosmic(const AliESDEvent *const event){
503 // process Cosmic event - track matching A side C side
506 Printf("ERROR: ESD not available");
509 if (event->GetTimeStamp() == 0 ) {
510 Printf("no time stamp!");
517 // Track0 is choosen in upper TPC part
518 // Track1 is choosen in lower TPC part
520 const Int_t kMinClustersCross =30;
521 const Int_t kMinClusters =80;
522 Int_t ntracks=event->GetNumberOfTracks();
523 if (ntracks==0) return;
524 if (ntracks > fCutTracks) return;
526 if (GetDebugLevel()>20) printf("Hallo world: Im here\n");
527 AliESDfriend *esdFriend=(AliESDfriend*)(((AliESDEvent*)event)->FindListObject("AliESDfriend"));
529 TObjArray tpcSeeds(ntracks);
530 Double_t vtxx[3]={0,0,0};
531 Double_t svtxx[3]={0.000001,0.000001,100.};
532 AliESDVertex vtx(vtxx,svtxx);
536 TArrayI clusterSideA(ntracks);
537 TArrayI clusterSideC(ntracks);
538 for (Int_t i=0;i<ntracks;++i) {
541 AliESDtrack *track = event->GetTrack(i);
543 const AliExternalTrackParam * trackIn = track->GetInnerParam();
544 const AliExternalTrackParam * trackOut = track->GetOuterParam();
545 if (!trackIn) continue;
546 if (!trackOut) continue;
548 AliESDfriendTrack *friendTrack = esdFriend->GetTrack(i);
549 if (!friendTrack) continue;
550 if (friendTrack) ProcessSame(track,friendTrack,event);
551 if (friendTrack) ProcessAlignITS(track,friendTrack,event,esdFriend);
552 if (friendTrack) ProcessAlignTRD(track,friendTrack);
553 if (friendTrack) ProcessAlignTOF(track,friendTrack);
554 TObject *calibObject;
555 AliTPCseed *seed = 0;
556 for (Int_t l=0;(calibObject=friendTrack->GetCalibObject(l));++l) if ((seed=dynamic_cast<AliTPCseed*>(calibObject))) break;
558 tpcSeeds.AddAt(seed,i);
560 for (Int_t irow=159;irow>0;irow--) {
561 AliTPCclusterMI *cl=seed->GetClusterPointer(irow);
563 if ((cl->GetDetector()%36)<18) nA++;
564 if ((cl->GetDetector()%36)>=18) nC++;
570 if (ntracks<2) return;
575 for (Int_t i=0;i<ntracks;++i) {
576 AliESDtrack *track0 = event->GetTrack(i);
577 // track0 - choosen upper part
578 if (!track0) continue;
579 if (!track0->GetOuterParam()) continue;
580 if (track0->GetOuterParam()->GetAlpha()<0) continue;
582 track0->GetDirection(d1);
583 for (Int_t j=0;j<ntracks;++j) {
585 AliESDtrack *track1 = event->GetTrack(j);
587 if (!track1) continue;
588 if (!track1->GetOuterParam()) continue;
589 if (track0->GetTPCNcls()+ track1->GetTPCNcls()< kMinClusters) continue;
590 Int_t nAC = TMath::Max( TMath::Min(clusterSideA[i], clusterSideC[j]),
591 TMath::Min(clusterSideC[i], clusterSideA[j]));
592 if (nAC<kMinClustersCross) continue;
593 Int_t nA0=clusterSideA[i];
594 Int_t nC0=clusterSideC[i];
595 Int_t nA1=clusterSideA[j];
596 Int_t nC1=clusterSideC[j];
597 // if (track1->GetOuterParam()->GetAlpha()>0) continue;
600 track1->GetDirection(d2);
602 AliTPCseed * seed0 = (AliTPCseed*) tpcSeeds.At(i);
603 AliTPCseed * seed1 = (AliTPCseed*) tpcSeeds.At(j);
604 if (! seed0) continue;
605 if (! seed1) continue;
606 Float_t dir = (d1[0]*d2[0] + d1[1]*d2[1] + d1[2]*d2[2]);
607 Float_t dist0 = track0->GetLinearD(0,0);
608 Float_t dist1 = track1->GetLinearD(0,0);
610 // conservative cuts - convergence to be guarantied
611 // applying before track propagation
612 if (TMath::Abs(TMath::Abs(dist0)-TMath::Abs(dist1))>fCutMaxD) continue; // distance to the 0,0
613 if (TMath::Abs(dir)<TMath::Abs(fCutMinDir)) continue; // direction vector product
614 Float_t bz = AliTracker::GetBz();
615 Float_t dvertex0[2]; //distance to 0,0
616 Float_t dvertex1[2]; //distance to 0,0
617 track0->GetDZ(0,0,0,bz,dvertex0);
618 track1->GetDZ(0,0,0,bz,dvertex1);
619 if (TMath::Abs(dvertex0[1])>250) continue;
620 if (TMath::Abs(dvertex1[1])>250) continue;
624 Float_t dmax = TMath::Max(TMath::Abs(dist0),TMath::Abs(dist1));
625 AliExternalTrackParam param0(*track0);
626 AliExternalTrackParam param1(*track1);
628 // Propagate using Magnetic field and correct fo material budget
630 AliTracker::PropagateTrackTo(¶m0,dmax+1,TDatabasePDG::Instance()->GetParticle("e-")->Mass(),3,kTRUE);
631 AliTracker::PropagateTrackTo(¶m1,dmax+1,TDatabasePDG::Instance()->GetParticle("e-")->Mass(),3,kTRUE);
633 // Propagate rest to the 0,0 DCA - z should be ignored
636 param0.PropagateToDCA(&vtx,bz,1000);
638 param1.PropagateToDCA(&vtx,bz,1000);
639 param0.GetDZ(0,0,0,bz,dvertex0);
640 param1.GetDZ(0,0,0,bz,dvertex1);
645 Bool_t isPair = IsPair(¶m0,¶m1);
646 Bool_t isCross = IsCross(track0, track1);
647 Bool_t isSame = IsSame(track0, track1);
649 THnSparse* hist=new THnSparseF("","HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
650 TString shortName=hist->ClassName();
651 shortName+="_MEAN_VDRIFT_COSMICS_";
655 if((isSame) || (isCross && isPair)){
656 if (track0->GetTPCNcls()+ track1->GetTPCNcls()> 80) {
657 fDz = param0.GetZ() - param1.GetZ();
658 Double_t sign=(nA0>nA1)? 1:-1;
660 TTimeStamp tstamp(fTime);
661 Double_t ptrelative0 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,0);
662 Double_t ptrelative1 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,1);
663 Double_t vecDrift[4]={fTime,(ptrelative0+ptrelative1)/2.0,fDz/500.0,event->GetRunNumber()};
664 THnSparse* curHist=NULL;
668 name+=event->GetFiredTriggerClasses();
670 curHist=(THnSparseF*)fArrayDz->FindObject(name);
672 curHist=new THnSparseF(name,"HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
673 fArrayDz->AddLast(curHist);
675 // curHist=(THnSparseF*)(fMapDz->GetValue(event->GetFiredTriggerClasses()));
677 // curHist=new THnSparseF(event->GetFiredTriggerClasses(),"HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
678 // fMapDz->Add(new TObjString(event->GetFiredTriggerClasses()),curHist);
680 curHist->Fill(vecDrift);
685 curHist=(THnSparseF*)fArrayDz->FindObject(name);
687 curHist=new THnSparseF(name,"HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
688 fArrayDz->AddLast(curHist);
690 // curHist=(THnSparseF*)(fMapDz->GetValue("all"));
692 // curHist=new THnSparseF("all","HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
693 // fMapDz->Add(new TObjString("all"),curHist);
695 curHist->Fill(vecDrift);
698 TTreeSRedirector *cstream = GetDebugStreamer();
701 (*cstream)<<"trackInfo"<<
712 "isCross="<<isCross<<
720 } // end 2nd order loop
721 } // end 1st order loop
724 TTreeSRedirector *cstream = GetDebugStreamer();
726 (*cstream)<<"timeInfo"<<
727 "run="<<fRun<< // run number
728 "event="<<fEvent<< // event number
729 "time="<<fTime<< // time stamp of event
730 "trigger="<<fTrigger<< // trigger
731 "mag="<<fMagF<< // magnetic field
732 // Environment values
734 // accumulated values
736 "fDz="<<fDz<< //! current delta z
737 "trigger="<<event->GetFiredTriggerClasses()<<
741 if (GetDebugLevel()>20) printf("Trigger: %s\n",event->GetFiredTriggerClasses().Data());
744 void AliTPCcalibTime::ProcessBeam(const AliESDEvent *const event){
746 // Process beam data - calculates vartex
747 // from A side and C side
748 // Histogram the differences
750 const Int_t kMinClusters =80;
751 const Int_t kMinTracks =2; // minimal number of tracks to define the vertex
752 const Int_t kMinTracksVertex=30; // minimal number of tracks to define the cumulative vertex
753 const Double_t kMaxTgl =1.2; // maximal Tgl (z angle)
754 const Double_t kMinPt =0.2; // minimal pt
755 const Double_t kMaxD0 =5.; // cut on distance to the primary vertex first guess
756 const Double_t kMaxZ0 =20;
757 const Double_t kMaxD =2.5; // cut on distance to the primary vertex
758 const Double_t kMaxZ =4; // maximal z distance between tracks form the same side
759 const Double_t kMaxChi2 =15; // maximal chi2 of the TPCvertex
760 const Double_t kCumulCovarXY=0.003; //increase the error of cumul vertex 30 microns profile
761 const Double_t kCumulCovarZ=250.; //increase the error of cumul vertex
762 const Double_t kMaxDvertex = 1.0; // cut to accept the vertex;
765 const Int_t kBuffSize=100;
766 static Double_t deltaZ[kBuffSize]={0};
767 static Int_t counterZ=0;
768 static AliKFVertex cumulVertexA, cumulVertexC, cumulVertexAC; // cumulative vertex
769 AliKFVertex vertexA, vertexC;
771 Float_t dca0[2]={0,0};
772 Double_t dcaVertex[2]={0,0};
773 Int_t ntracks=event->GetNumberOfTracks();
774 if (ntracks==0) return;
775 if (ntracks > fCutTracks) return;
777 AliESDfriend *esdFriend=(AliESDfriend*)(((AliESDEvent*)event)->FindListObject("AliESDfriend"));
779 // Divide tracks to A and C side tracks - using the cluster indexes
780 TObjArray tracksA(ntracks);
781 TObjArray tracksC(ntracks);
783 AliESDVertex *vertexSPD = (AliESDVertex *)event->GetPrimaryVertexSPD();
784 AliESDVertex *vertex = (AliESDVertex *)event->GetPrimaryVertex();
785 AliESDVertex *vertexTracks = (AliESDVertex *)event->GetPrimaryVertexTracks();
786 Double_t vertexZA[10000], vertexZC[10000];
791 for (Int_t itrack=0;itrack<ntracks;itrack++) {
792 AliESDtrack *track = event->GetTrack(itrack);
793 AliESDfriendTrack *friendTrack = esdFriend->GetTrack(itrack);
794 if (!friendTrack) continue;
795 if (TMath::Abs(track->GetTgl())>kMaxTgl) continue;
796 if (TMath::Abs(track->Pt())<kMinPt) continue;
797 const AliExternalTrackParam * trackIn = track->GetInnerParam();
798 TObject *calibObject=0;
799 AliTPCseed *seed = 0;
801 for (Int_t l=0;(calibObject=friendTrack->GetCalibObject(l));++l) if ((seed=dynamic_cast<AliTPCseed*>(calibObject))) break;
803 for (Int_t irow=159;irow>0;irow--) {
804 AliTPCclusterMI *cl=seed->GetClusterPointer(irow);
806 if ((cl->GetDetector()%36)<18) nA++;
807 if ((cl->GetDetector()%36)>=18) nC++;
809 if ((nA>kMinClusters || nC>kMinClusters) && (nA*nC==0) ){
810 track->GetImpactParameters(dca0[0],dca0[1]);
811 if (TMath::Abs(dca0[0])>kMaxD0) continue;
812 if (TMath::Abs(dca0[1])>kMaxZ0) continue;
813 AliExternalTrackParam pTPCvertex(*trackIn);
814 if (!AliTracker::PropagateTrackToBxByBz(&pTPCvertex,4.+4.*TMath::Abs(dca0[0]),0.1,2,kTRUE)) continue;
815 pTPCvertex.PropagateToDCA(vertex,AliTracker::GetBz(), kMaxD, dcaVertex,0);
816 if (TMath::Abs(dcaVertex[0])>kMaxD) continue;
817 if (nA>kMinClusters &&nC==0) { tracksA.AddLast(pTPCvertex.Clone()); vertexZA[ntracksA++] = pTPCvertex.GetZ();}
818 if (nC>kMinClusters &&nA==0) {tracksC.AddLast(pTPCvertex.Clone()); vertexZC[ntracksC++] = pTPCvertex.GetZ();}
822 Double_t medianZA=TMath::Median(ntracksA, vertexZA); // tracks median
823 Double_t medianZC=TMath::Median(ntracksC, vertexZC); // tracks median
825 ntracksA= tracksA.GetEntriesFast();
826 ntracksC= tracksC.GetEntriesFast();
827 if (ntracksA>kMinTracks && ntracksC>kMinTracks){
828 deltaZ[counterZ%kBuffSize]=medianZA-medianZC;
830 Double_t medianDelta=(counterZ>=kBuffSize)? TMath::Median(kBuffSize, deltaZ): TMath::Median(counterZ, deltaZ);
831 if (TMath::Abs(medianDelta-(medianZA-medianZC))>kMaxZ) flags+=16;
832 // increse the error of cumulative vertex at the beginning of event
833 cumulVertexA.Covariance(0,0)+=kCumulCovarXY*kCumulCovarXY;
834 cumulVertexA.Covariance(1,1)+=kCumulCovarXY*kCumulCovarXY;
835 cumulVertexA.Covariance(2,2)+=kCumulCovarZ*kCumulCovarZ;
836 cumulVertexC.Covariance(0,0)+=kCumulCovarXY*kCumulCovarXY;
837 cumulVertexC.Covariance(1,1)+=kCumulCovarXY*kCumulCovarXY;
838 cumulVertexC.Covariance(2,2)+=kCumulCovarZ*kCumulCovarZ;
839 cumulVertexAC.Covariance(0,0)+=kCumulCovarXY*kCumulCovarXY;
840 cumulVertexAC.Covariance(1,1)+=kCumulCovarXY*kCumulCovarXY;
841 cumulVertexAC.Covariance(2,2)+=kCumulCovarZ*kCumulCovarZ;
843 for (Int_t iA=0; iA<ntracksA; iA++){
844 if (flags!=0) continue;
845 AliExternalTrackParam *aliTrack = (AliExternalTrackParam *)tracksA.At(iA);
846 if (TMath::Abs(aliTrack->GetZ()-medianZA)>kMaxZ) continue;
847 AliKFParticle part(*aliTrack,211);
850 for (Int_t iC=0; iC<ntracksC; iC++){
851 if (flags!=0) continue;
852 AliExternalTrackParam *aliTrack = (AliExternalTrackParam *)tracksC.At(iC);
853 if (TMath::Abs(aliTrack->GetZ()-medianZC)>kMaxZ) continue;
854 AliKFParticle part(*aliTrack,211);
858 if (vertexA.GetNDF()<kMinTracks) flags+=32;
859 if (vertexC.GetNDF()<kMinTracks) flags+=32;
860 if (TMath::Abs(vertexA.Z()-medianZA)>kMaxZ) flags+=1; //apply cuts
861 if (TMath::Abs(vertexC.Z()-medianZC)>kMaxZ) flags+=2;
862 if (TMath::Abs(vertexA.GetChi2()/vertexA.GetNDF()+vertexC.GetChi2()/vertexC.GetNDF())> kMaxChi2) flags+=4;
865 for (Int_t iA=0; iA<ntracksA; iA++){
866 if (flags!=0) continue;
867 AliExternalTrackParam *aliTrack = (AliExternalTrackParam *)tracksA.At(iA);
868 if (TMath::Abs(aliTrack->GetZ()-medianZA)>kMaxZ) continue;
869 AliKFParticle part(*aliTrack,211);
873 for (Int_t iC=0; iC<ntracksC; iC++){
874 if (flags!=0) continue;
875 AliExternalTrackParam *aliTrack = (AliExternalTrackParam *)tracksC.At(iC);
876 if (TMath::Abs(aliTrack->GetZ()-medianZC)>kMaxZ) continue;
877 AliKFParticle part(*aliTrack,211);
882 if (TMath::Abs(cumulVertexA.X()-vertexA.X())>kMaxDvertex) flags+=64;
883 if (TMath::Abs(cumulVertexA.Y()-vertexA.Y())>kMaxDvertex) flags+=64;
884 if (TMath::Abs(cumulVertexA.Z()-vertexA.Z())>kMaxDvertex) flags+=64;
886 if (TMath::Abs(cumulVertexC.X()-vertexC.X())>kMaxDvertex) flags+=64;
887 if (TMath::Abs(cumulVertexC.Y()-vertexC.Y())>kMaxDvertex) flags+=64;
888 if (TMath::Abs(cumulVertexC.Z()-vertexC.Z())>kMaxDvertex) flags+=64;
891 if ( flags==0 && cumulVertexC.GetNDF()>kMinTracksVertex&&cumulVertexA.GetNDF()>kMinTracksVertex){
892 Double_t cont[2]={0,fTime};
894 cont[0]= cumulVertexA.X();
895 fTPCVertex[0]->Fill(cont);
896 cont[0]= cumulVertexC.X();
897 fTPCVertex[1]->Fill(cont);
898 cont[0]= 0.5*(cumulVertexA.X()-cumulVertexC.X());
899 fTPCVertex[2]->Fill(cont);
900 cont[0]= 0.5*(cumulVertexA.X()+cumulVertexC.X())-vertexSPD->GetX();
901 fTPCVertex[3]->Fill(cont);
903 cont[0]= cumulVertexA.Y();
904 fTPCVertex[4]->Fill(cont);
905 cont[0]= cumulVertexC.Y();
906 fTPCVertex[5]->Fill(cont);
907 cont[0]= 0.5*(cumulVertexA.Y()-cumulVertexC.Y());
908 fTPCVertex[6]->Fill(cont);
909 cont[0]= 0.5*(cumulVertexA.Y()+cumulVertexC.Y())-vertexSPD->GetY();
910 fTPCVertex[7]->Fill(cont);
913 cont[0]= 0.5*(cumulVertexA.Z()+cumulVertexC.Z());
914 fTPCVertex[8]->Fill(cont);
915 cont[0]= 0.5*(cumulVertexA.Z()-cumulVertexC.Z());
916 fTPCVertex[9]->Fill(cont);
917 cont[0]= 0.5*(cumulVertexA.Z()-cumulVertexC.Z());
918 fTPCVertex[10]->Fill(cont);
919 cont[0]= 0.5*(cumulVertexA.Z()+cumulVertexC.Z())-vertexSPD->GetZ();
920 fTPCVertex[11]->Fill(cont);
922 Double_t correl[2]={0,0};
924 correl[0]=cumulVertexC.Z();
925 correl[1]=cumulVertexA.Z();
926 fTPCVertexCorrelation[0]->Fill(correl); // fill A side :TPC
927 correl[0]=cumulVertexA.Z();
928 correl[1]=cumulVertexC.Z();
929 fTPCVertexCorrelation[1]->Fill(correl); // fill C side :TPC
931 correl[0]=vertexSPD->GetZ();
932 correl[1]=cumulVertexA.Z()-correl[0];
933 fTPCVertexCorrelation[2]->Fill(correl); // fill A side :ITS
934 correl[1]=cumulVertexC.Z()-correl[0];
935 fTPCVertexCorrelation[3]->Fill(correl); // fill C side :ITS
936 correl[1]=0.5*(cumulVertexA.Z()+cumulVertexC.Z())-correl[0];
937 fTPCVertexCorrelation[4]->Fill(correl); // fill C side :ITS
940 TTreeSRedirector *cstream = GetDebugStreamer();
943 TCut cutChi2= "sqrt(vA.fChi2/vA.fNDF+vC.fChi2/vC.fNDF)<10"; // chi2 Cut e.g 10
944 TCut cutXY= "sqrt((vA.fP[0]-vC.fP[0])^2+(vA.fP[0]-vC.fP[1])^2)<5"; // vertex Cut
945 TCut cutZ= "abs(vA.fP[2]-mZA)<3&&abs(vC.fP[2]-mZC)<5"; // vertex Cut
946 tree->Draw("sqrt(vA.fChi2/vA.fNDF)","sqrt(vA.fChi2/vA.fNDF)<100","")
951 (*cstream)<<"vertexTPC"<<
952 "flags="<<flags<< // rejection flags
953 "vSPD.="<<vertexSPD<< // SPD vertex
954 "vT.="<<vertexTracks<< // track vertex
955 "v.="<<vertex<< // esd vertex
956 "mZA="<<medianZA<< // median Z position at vertex A side
957 "mZC="<<medianZC<< // median Z position at vertex C side
958 "mDelta="<<medianDelta<< // median delta A side -C side
959 "counter="<<counterZ<< // counter Z
961 "vA.="<<&vertexA<< // vertex A side
962 "vC.="<<&vertexC<< // vertex C side
963 "cvA.="<<&cumulVertexA<< // cumulative vertex A side
964 "cvC.="<<&cumulVertexC<< // cumulative vertex C side
965 "cvAC.="<<&cumulVertexAC<< // cumulative vertex A+C side
966 "nA="<<ntracksA<< // contributors
967 "nC="<<ntracksC<< // contributors
975 void AliTPCcalibTime::Analyze(){
977 // Special macro to analyze result of calibration and extract calibration entries
978 // Not yet ported to the Analyze function yet
982 THnSparse* AliTPCcalibTime::GetHistoDrift(const char* name) const
985 // Get histogram for given trigger mask
987 TIterator* iterator = fArrayDz->MakeIterator();
989 TString newName=name;
991 THnSparse* newHist=new THnSparseF(newName,"HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
992 THnSparse* addHist=NULL;
993 while((addHist=(THnSparseF*)iterator->Next())){
994 // if(!addHist) continue;
995 TString histName=addHist->GetName();
996 if(!histName.Contains(newName)) continue;
998 newHist->Add(addHist);
1003 TObjArray* AliTPCcalibTime::GetHistoDrift() const
1006 // return array of histograms
1011 TGraphErrors* AliTPCcalibTime::GetGraphDrift(const char* name){
1013 // Make a drift velocity (delta Z) graph
1015 THnSparse* histoDrift=GetHistoDrift(name);
1016 TGraphErrors* graphDrift=NULL;
1018 graphDrift=FitSlices(histoDrift,2,0,400,100,0.05,0.95, kTRUE);
1019 TString end=histoDrift->GetName();
1020 Int_t pos=end.Index("_");
1021 end=end(pos,end.Capacity()-pos);
1022 TString graphName=graphDrift->ClassName();
1024 graphName.ToUpper();
1025 graphDrift->SetName(graphName);
1030 TObjArray* AliTPCcalibTime::GetGraphDrift(){
1032 // make a array of drift graphs
1034 TObjArray* arrayGraphDrift=new TObjArray();
1035 TIterator* iterator=fArrayDz->MakeIterator();
1037 THnSparse* addHist=NULL;
1038 while((addHist=(THnSparseF*)iterator->Next())) arrayGraphDrift->AddLast(GetGraphDrift(addHist->GetName()));
1039 return arrayGraphDrift;
1042 AliSplineFit* AliTPCcalibTime::GetFitDrift(const char* name){
1044 // Make a fit AliSplinefit of drift velocity
1046 TGraph* graphDrift=GetGraphDrift(name);
1047 AliSplineFit* fitDrift=NULL;
1048 if(graphDrift && graphDrift->GetN()){
1049 fitDrift=new AliSplineFit();
1050 fitDrift->SetGraph(graphDrift);
1051 fitDrift->SetMinPoints(graphDrift->GetN()+1);
1052 fitDrift->InitKnots(graphDrift,2,0,0.001);
1053 fitDrift->SplineFit(0);
1054 TString end=graphDrift->GetName();
1055 Int_t pos=end.Index("_");
1056 end=end(pos,end.Capacity()-pos);
1057 TString fitName=fitDrift->ClassName();
1060 //fitDrift->SetName(fitName);
1068 Long64_t AliTPCcalibTime::Merge(TCollection *const li) {
1070 // Object specific merging procedure
1072 TIterator* iter = li->MakeIterator();
1073 AliTPCcalibTime* cal = 0;
1075 while ((cal = (AliTPCcalibTime*)iter->Next())) {
1076 if (!cal->InheritsFrom(AliTPCcalibTime::Class())) {
1077 Error("Merge","Attempt to add object of class %s to a %s", cal->ClassName(), this->ClassName());
1080 for (Int_t imeas=0; imeas<3; imeas++){
1081 if (cal->GetHistVdriftLaserA(imeas) && cal->GetHistVdriftLaserA(imeas)){
1082 fHistVdriftLaserA[imeas]->Add(cal->GetHistVdriftLaserA(imeas));
1083 fHistVdriftLaserC[imeas]->Add(cal->GetHistVdriftLaserC(imeas));
1087 if (fTPCVertexCorrelation && cal->fTPCVertexCorrelation){
1088 for (Int_t imeas=0; imeas<5; imeas++){
1089 if (fTPCVertexCorrelation[imeas] && cal->fTPCVertexCorrelation[imeas]) fTPCVertexCorrelation[imeas]->Add(cal->fTPCVertexCorrelation[imeas]);
1093 if (fTPCVertex[0] && cal->fTPCVertex[0])
1094 for (Int_t imeas=0; imeas<12; imeas++){
1095 if (fTPCVertex[imeas] && cal->fTPCVertex[imeas]) fTPCVertex[imeas]->Add(cal->fTPCVertex[imeas]);
1098 if (fMemoryMode>0) for (Int_t imeas=0; imeas<5; imeas++){
1100 if ( cal->GetResHistoTPCCE(imeas) && cal->GetResHistoTPCCE(imeas)){
1101 fResHistoTPCCE[imeas]->Add(cal->fResHistoTPCCE[imeas]);
1103 fResHistoTPCCE[imeas]=(THnSparse*)cal->fResHistoTPCCE[imeas]->Clone();
1107 if ((fMemoryMode>0) &&cal->GetResHistoTPCITS(imeas) && cal->GetResHistoTPCITS(imeas)){
1108 if (fMemoryMode>1 || (imeas%2)==1) fResHistoTPCITS[imeas]->Add(cal->fResHistoTPCITS[imeas]);
1109 if (fMemoryMode>1) fResHistoTPCvertex[imeas]->Add(cal->fResHistoTPCvertex[imeas]);
1112 if ((fMemoryMode>1) && cal->fResHistoTPCTRD[imeas]){
1113 if (fResHistoTPCTRD[imeas])
1114 fResHistoTPCTRD[imeas]->Add(cal->fResHistoTPCTRD[imeas]);
1116 fResHistoTPCTRD[imeas]=(THnSparse*)cal->fResHistoTPCTRD[imeas]->Clone();
1119 if ((fMemoryMode>1) && cal->fResHistoTPCTOF[imeas]){
1120 if (fResHistoTPCTOF[imeas])
1121 fResHistoTPCTOF[imeas]->Add(cal->fResHistoTPCTOF[imeas]);
1123 fResHistoTPCTOF[imeas]=(THnSparse*)cal->fResHistoTPCTOF[imeas]->Clone();
1126 if (cal->fArrayLaserA){
1127 fArrayLaserA->Expand(fArrayLaserA->GetEntriesFast()+cal->fArrayLaserA->GetEntriesFast());
1128 fArrayLaserC->Expand(fArrayLaserC->GetEntriesFast()+cal->fArrayLaserC->GetEntriesFast());
1129 for (Int_t ical=0; ical<cal->fArrayLaserA->GetEntriesFast(); ical++){
1130 if (cal->fArrayLaserA->UncheckedAt(ical)) fArrayLaserA->AddLast(cal->fArrayLaserA->UncheckedAt(ical)->Clone());
1131 if (cal->fArrayLaserC->UncheckedAt(ical)) fArrayLaserC->AddLast(cal->fArrayLaserC->UncheckedAt(ical)->Clone());
1136 TObjArray* addArray=cal->GetHistoDrift();
1137 if(!addArray) return 0;
1138 TIterator* iterator = addArray->MakeIterator();
1140 THnSparse* addHist=NULL;
1141 if ((fMemoryMode>1)) while((addHist=(THnSparseF*)iterator->Next())){
1142 // if(!addHist) continue;
1144 THnSparse* localHist=(THnSparseF*)fArrayDz->FindObject(addHist->GetName());
1146 localHist=new THnSparseF(addHist->GetName(),"HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
1147 fArrayDz->AddLast(localHist);
1149 localHist->Add(addHist);
1152 for(Int_t i=0;i<10;i++) if (cal->GetCosmiMatchingHisto(i)) fCosmiMatchingHisto[i]->Add(cal->GetCosmiMatchingHisto(i));
1156 for (Int_t itype=0; itype<3; itype++){
1161 if (itype==0) {arr0=fAlignITSTPC; arr1=cal->fAlignITSTPC;}
1162 if (itype==1) {arr0=fAlignTRDTPC; arr1=cal->fAlignTRDTPC;}
1163 if (itype==2) {arr0=fAlignTOFTPC; arr1=cal->fAlignTOFTPC;}
1164 if (!arr1) continue;
1165 if (!arr0) arr0=new TObjArray(arr1->GetEntriesFast());
1166 if (arr1->GetEntriesFast()>arr0->GetEntriesFast()){
1167 arr0->Expand(arr1->GetEntriesFast());
1169 for (Int_t i=0;i<arr1->GetEntriesFast(); i++){
1170 AliRelAlignerKalman *kalman1 = (AliRelAlignerKalman *)arr1->UncheckedAt(i);
1171 AliRelAlignerKalman *kalman0 = (AliRelAlignerKalman *)arr0->UncheckedAt(i);
1172 if (!kalman1) continue;
1173 if (!kalman0) {arr0->AddAt(new AliRelAlignerKalman(*kalman1),i); continue;}
1174 kalman0->SetRejectOutliers(kFALSE);
1175 kalman0->Merge(kalman1);
1183 Bool_t AliTPCcalibTime::IsPair(const AliExternalTrackParam *tr0, const AliExternalTrackParam *tr1){
1185 // 0. Same direction - OPOSITE - cutDir +cutT
1186 TCut cutDir("cutDir","dir<-0.99")
1188 TCut cutT("cutT","abs(Tr1.fP[3]+Tr0.fP[3])<0.03")
1191 TCut cutD("cutD","abs(Tr0.fP[0]+Tr1.fP[0])<5")
1193 TCut cutPt("cutPt","abs(Tr1.fP[4]+Tr0.fP[4])<1&&abs(Tr0.fP[4])+abs(Tr1.fP[4])<10");
1196 const Double_t *p0 = tr0->GetParameter();
1197 const Double_t *p1 = tr1->GetParameter();
1198 fCosmiMatchingHisto[0]->Fill(p0[0]+p1[0]);
1199 fCosmiMatchingHisto[1]->Fill(p0[1]-p1[1]);
1200 fCosmiMatchingHisto[2]->Fill(tr1->GetAlpha()-tr0->GetAlpha()+TMath::Pi());
1201 fCosmiMatchingHisto[3]->Fill(p0[3]+p1[3]);
1202 fCosmiMatchingHisto[4]->Fill(p0[4]+p1[4]);
1204 if (TMath::Abs(p0[3]+p1[3])>fCutTheta) return kFALSE;
1205 if (TMath::Abs(p0[0]+p1[0])>fCutMaxD) return kFALSE;
1206 if (TMath::Abs(p0[1]-p1[1])>fCutMaxDz) return kFALSE;
1207 Double_t d0[3], d1[3];
1208 tr0->GetDirection(d0);
1209 tr1->GetDirection(d1);
1210 if (d0[0]*d1[0] + d0[1]*d1[1] + d0[2]*d1[2] >fCutMinDir) return kFALSE;
1212 fCosmiMatchingHisto[5]->Fill(p0[0]+p1[0]);
1213 fCosmiMatchingHisto[6]->Fill(p0[1]-p1[1]);
1214 fCosmiMatchingHisto[7]->Fill(tr1->GetAlpha()-tr0->GetAlpha()+TMath::Pi());
1215 fCosmiMatchingHisto[8]->Fill(p0[3]+p1[3]);
1216 fCosmiMatchingHisto[9]->Fill(p0[4]+p1[4]);
1220 Bool_t AliTPCcalibTime::IsCross(const AliESDtrack *const tr0, const AliESDtrack *const tr1){
1222 // check if the cosmic pair of tracks crossed A/C side
1224 Bool_t result= tr0->GetOuterParam()->GetZ()*tr1->GetOuterParam()->GetZ()<0;
1225 if (result==kFALSE) return result;
1230 Bool_t AliTPCcalibTime::IsSame(const AliESDtrack *const tr0, const AliESDtrack *const tr1){
1232 // track crossing the CE
1233 // 0. minimal number of clusters
1234 // 1. Same sector +-1
1235 // 2. Inner and outer track param on opposite side
1236 // 3. Outer and inner track parameter close each to other
1238 Bool_t result=kTRUE;
1240 // inner and outer on opposite sides in z
1242 const Int_t knclCut0 = 30;
1243 const Double_t kalphaCut = 0.4;
1245 // 0. minimal number of clusters
1247 if (tr0->GetTPCNcls()<knclCut0) return kFALSE;
1248 if (tr1->GetTPCNcls()<knclCut0) return kFALSE;
1250 // 1. alpha cut - sector+-1
1252 if (TMath::Abs(tr0->GetOuterParam()->GetAlpha()-tr1->GetOuterParam()->GetAlpha())>kalphaCut) return kFALSE;
1256 if (tr0->GetOuterParam()->GetZ()*tr0->GetInnerParam()->GetZ()>0) result&=kFALSE;
1257 if (tr1->GetOuterParam()->GetZ()*tr1->GetInnerParam()->GetZ()>0) result&=kFALSE;
1258 if (result==kFALSE){
1263 const Double_t *p0I = tr0->GetInnerParam()->GetParameter();
1264 const Double_t *p1I = tr1->GetInnerParam()->GetParameter();
1265 const Double_t *p0O = tr0->GetOuterParam()->GetParameter();
1266 const Double_t *p1O = tr1->GetOuterParam()->GetParameter();
1268 if (TMath::Abs(p0I[0]-p1I[0])>fCutMaxD) result&=kFALSE;
1269 if (TMath::Abs(p0I[1]-p1I[1])>fCutMaxDz) result&=kFALSE;
1270 if (TMath::Abs(p0I[2]-p1I[2])>fCutTheta) result&=kFALSE;
1271 if (TMath::Abs(p0I[3]-p1I[3])>fCutTheta) result&=kFALSE;
1272 if (TMath::Abs(p0O[0]-p1O[0])>fCutMaxD) result&=kFALSE;
1273 if (TMath::Abs(p0O[1]-p1O[1])>fCutMaxDz) result&=kFALSE;
1274 if (TMath::Abs(p0O[2]-p1O[2])>fCutTheta) result&=kFALSE;
1275 if (TMath::Abs(p0O[3]-p1O[3])>fCutTheta) result&=kFALSE;
1277 result=kTRUE; // just to put break point here
1283 void AliTPCcalibTime::ProcessSame(const AliESDtrack *const track, AliESDfriendTrack *const friendTrack, const AliESDEvent *const event){
1285 // Process TPC tracks crossing CE
1287 // 0. Select only track crossing the CE
1288 // 1. Cut on the track length
1289 // 2. Refit the the track on A and C side separatelly
1290 // 3. Fill time histograms
1291 const Int_t kMinNcl=100;
1292 const Int_t kMinNclS=25; // minimul number of clusters on the sides
1293 const Double_t pimass=TDatabasePDG::Instance()->GetParticle("pi+")->Mass();
1294 const Double_t kMaxDy=1; // maximal distance in y
1295 const Double_t kMaxDsnp=0.05; // maximal distance in snp
1296 const Double_t kMaxDtheta=0.05; // maximal distance in theta
1298 if (!friendTrack->GetTPCOut()) return;
1300 // 0. Select only track crossing the CE
1302 if (track->GetInnerParam()->GetZ()*friendTrack->GetTPCOut()->GetZ()>0) return;
1304 // 1. cut on track length
1306 if (track->GetTPCNcls()<kMinNcl) return;
1308 // 2. Refit track sepparatel on A and C side
1310 TObject *calibObject;
1311 AliTPCseed *seed = 0;
1312 for (Int_t l=0;(calibObject=friendTrack->GetCalibObject(l));++l) {
1313 if ((seed=dynamic_cast<AliTPCseed*>(calibObject))) break;
1317 AliExternalTrackParam trackIn(*track->GetInnerParam());
1318 AliExternalTrackParam trackOut(*track->GetOuterParam());
1319 Double_t cov[3]={0.01,0.,0.01}; //use the same errors
1320 Double_t xyz[3]={0,0.,0.0};
1322 Int_t nclIn=0,nclOut=0;
1323 trackIn.ResetCovariance(1000.);
1324 trackOut.ResetCovariance(1000.);
1329 for (Int_t irow=0;irow<159;irow++) {
1330 AliTPCclusterMI *cl=seed->GetClusterPointer(irow);
1332 if (cl->GetX()<80) continue;
1334 if (cl->GetDetector()%36<18) sideIn=1;
1335 if (cl->GetDetector()%36>=18) sideIn=-1;
1337 if (sideIn== -1 && (cl->GetDetector()%36)<18) break;
1338 if (sideIn== 1 &&(cl->GetDetector()%36)>=18) break;
1339 Int_t sector = cl->GetDetector();
1340 Float_t dalpha = TMath::DegToRad()*(sector%18*20.+10.)-trackIn.GetAlpha();
1341 if (TMath::Abs(dalpha)>0.01){
1342 if (!trackIn.Rotate(TMath::DegToRad()*(sector%18*20.+10.))) break;
1344 Double_t r[3]={cl->GetX(),cl->GetY(),cl->GetZ()};
1345 trackIn.GetXYZ(xyz);
1346 bz = AliTracker::GetBz(xyz);
1347 AliTracker::PropagateTrackToBxByBz(&trackIn,r[0],1.,pimass,kFALSE);
1348 if (!trackIn.PropagateTo(r[0],bz)) break;
1350 trackIn.Update(&r[1],cov);
1356 for (Int_t irow=159;irow>0;irow--) {
1357 AliTPCclusterMI *cl=seed->GetClusterPointer(irow);
1359 if (cl->GetX()<80) continue;
1361 if (cl->GetDetector()%36<18) sideOut=1;
1362 if (cl->GetDetector()%36>=18) sideOut=-1;
1363 if (sideIn==sideOut) break;
1365 if (sideOut== -1 && (cl->GetDetector()%36)<18) break;
1366 if (sideOut== 1 &&(cl->GetDetector()%36)>=18) break;
1368 Int_t sector = cl->GetDetector();
1369 Float_t dalpha = TMath::DegToRad()*(sector%18*20.+10.)-trackOut.GetAlpha();
1370 if (TMath::Abs(dalpha)>0.01){
1371 if (!trackOut.Rotate(TMath::DegToRad()*(sector%18*20.+10.))) break;
1373 Double_t r[3]={cl->GetX(),cl->GetY(),cl->GetZ()};
1374 trackOut.GetXYZ(xyz);
1375 bz = AliTracker::GetBz(xyz);
1376 AliTracker::PropagateTrackToBxByBz(&trackOut,r[0],1.,pimass,kFALSE);
1377 if (!trackOut.PropagateTo(r[0],bz)) break;
1379 trackOut.Update(&r[1],cov);
1381 trackOut.Rotate(trackIn.GetAlpha());
1382 Double_t meanX = (trackIn.GetX()+trackOut.GetX())*0.5;
1383 trackIn.PropagateTo(meanX,bz);
1384 trackOut.PropagateTo(meanX,bz);
1385 if (TMath::Abs(trackIn.GetY()-trackOut.GetY())>kMaxDy) return;
1386 if (TMath::Abs(trackIn.GetSnp()-trackOut.GetSnp())>kMaxDsnp) return;
1387 if (TMath::Abs(trackIn.GetTgl()-trackOut.GetTgl())>kMaxDtheta) return;
1388 if (TMath::Min(nclIn,nclOut)>kMinNclS){
1389 FillResHistoTPCCE(&trackIn,&trackOut);
1391 TTreeSRedirector *cstream = GetDebugStreamer();
1394 trackIn.GetXYZ(gxyz.GetMatrixArray());
1395 TTimeStamp tstamp(fTime);
1396 (*cstream)<<"tpctpc"<<
1397 "run="<<fRun<< // run number
1398 "event="<<fEvent<< // event number
1399 "time="<<fTime<< // time stamp of event
1400 "trigger="<<fTrigger<< // trigger
1401 "mag="<<fMagF<< // magnetic field
1403 "sideIn="<<sideIn<< // side at inner part
1404 "sideOut="<<sideOut<< // side at puter part
1405 "xyz.="<<&gxyz<< // global position
1406 "tIn.="<<&trackIn<< // refitterd track in
1407 "tOut.="<<&trackOut<< // refitter track out
1408 "nclIn="<<nclIn<< //
1409 "nclOut="<<nclOut<< //
1413 // 3. Fill time histograms
1414 // Debug stremaer expression
1415 // chainTPCTPC->Draw("(tIn.fP[1]-tOut.fP[1])*sign(-tIn.fP[3]):tIn.fP[3]","min(nclIn,nclOut)>30","")
1416 if (TMath::Min(nclIn,nclOut)>kMinNclS){
1417 fDz = trackOut.GetZ()-trackIn.GetZ();
1418 if (trackOut.GetTgl()<0) fDz*=-1.;
1419 TTimeStamp tstamp(fTime);
1420 Double_t ptrelative0 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,0);
1421 Double_t ptrelative1 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,1);
1422 Double_t vecDrift[4]={fTime,(ptrelative0+ptrelative1)/2.0,fDz/500.0,event->GetRunNumber()};
1424 // fill histograms per trigger class and itegrated
1426 THnSparse* curHist=NULL;
1427 for (Int_t itype=0; itype<2; itype++){
1428 TString name="MEAN_VDRIFT_CROSS_";
1430 name+=event->GetFiredTriggerClasses();
1435 curHist=(THnSparseF*)fArrayDz->FindObject(name);
1437 curHist=new THnSparseF(name,"HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
1438 fArrayDz->AddLast(curHist);
1440 curHist->Fill(vecDrift);
1446 void AliTPCcalibTime::ProcessAlignITS(AliESDtrack *const track, const AliESDfriendTrack *const friendTrack, const AliESDEvent *const event, AliESDfriend *const esdFriend){
1448 // Process track - Update TPC-ITS alignment
1450 // 0. Apply standartd cuts
1451 // 1. Recalucluate the current statistic median/RMS
1452 // 2. Apply median+-rms cut
1453 // 3. Update kalman filter
1455 const Int_t kMinTPC = 80; // minimal number of TPC cluster
1456 const Int_t kMinITS = 3; // minimal number of ITS cluster
1457 const Double_t kMinZ = 10; // maximal dz distance
1458 const Double_t kMaxDy = 2.; // maximal dy distance
1459 const Double_t kMaxAngle= 0.07; // maximal angular distance
1460 const Double_t kSigmaCut= 5; // maximal sigma distance to median
1461 const Double_t kVdErr = 0.1; // initial uncertainty of the vd correction
1462 const Double_t kT0Err = 3.; // initial uncertainty of the T0 time
1463 const Double_t kVdYErr = 0.05; // initial uncertainty of the vd correction
1464 const Double_t kOutCut = 1.0; // outlyer cut in AliRelAlgnmentKalman
1465 const Double_t kMinPt = 0.3; // minimal pt
1466 const Double_t kMax1Pt=0.5; //maximal 1/pt distance
1467 const Int_t kN=50; // deepnes of history
1468 static Int_t kglast=0;
1469 static Double_t* kgdP[4]={new Double_t[kN], new Double_t[kN], new Double_t[kN], new Double_t[kN]};
1471 // 0. Apply standard cuts
1473 Int_t dummycl[1000];
1474 if (track->GetTPCNcls()<kMinTPC) return; // minimal amount of clusters cut
1475 if (!track->IsOn(AliESDtrack::kTPCrefit)) return;
1476 if (!track->GetInnerParam()) return;
1477 if (!track->GetOuterParam()) return;
1478 if (track->GetInnerParam()->Pt()<kMinPt) return;
1479 // exclude crossing track
1480 if (track->GetOuterParam()->GetZ()*track->GetInnerParam()->GetZ()<0) return;
1481 if (TMath::Abs(track->GetInnerParam()->GetZ())<kMinZ/3.) return;
1482 if (track->GetInnerParam()->GetX()>90) return;
1484 AliExternalTrackParam &pTPC=(AliExternalTrackParam &)(*(track->GetInnerParam()));
1486 AliExternalTrackParam pITS; // ITS standalone if possible
1487 AliExternalTrackParam pITS2; //TPC-ITS track
1488 if (friendTrack->GetITSOut()){
1489 pITS2=(*(friendTrack->GetITSOut())); //TPC-ITS track - snapshot ITS out
1490 pITS2.Rotate(pTPC.GetAlpha());
1491 AliTracker::PropagateTrackToBxByBz(&pITS2,pTPC.GetX(),0.1,0.1,kFALSE);
1494 AliESDfriendTrack *itsfriendTrack=0;
1496 // try to find standalone ITS track corresponing to the TPC if possible
1498 Bool_t hasAlone=kFALSE;
1499 Int_t ntracks=event->GetNumberOfTracks();
1500 for (Int_t i=0; i<ntracks; i++){
1501 AliESDtrack * trackITS = event->GetTrack(i);
1502 if (!trackITS) continue;
1503 if (trackITS->GetITSclusters(dummycl)<kMinITS) continue; // minimal amount of clusters
1504 itsfriendTrack = esdFriend->GetTrack(i);
1505 if (!itsfriendTrack) continue;
1506 if (!itsfriendTrack->GetITSOut()) continue;
1508 if (TMath::Abs(pTPC.GetTgl()-itsfriendTrack->GetITSOut()->GetTgl())> kMaxAngle) continue;
1509 if (TMath::Abs(pTPC.GetSigned1Pt()-itsfriendTrack->GetITSOut()->GetSigned1Pt())> kMax1Pt) continue;
1510 pITS=(*(itsfriendTrack->GetITSOut()));
1512 pITS.Rotate(pTPC.GetAlpha());
1513 AliTracker::PropagateTrackToBxByBz(&pITS,pTPC.GetX(),0.1,0.1,kFALSE);
1514 if (TMath::Abs(pTPC.GetY()-pITS.GetY())> kMaxDy) continue;
1515 if (TMath::Abs(pTPC.GetSnp()-pITS.GetSnp())> kMaxAngle) continue;
1519 if (track->GetITSclusters(dummycl)<kMinITS) return;
1520 pITS=pITS2; // use combined track if it has ITS
1523 if (TMath::Abs(pITS.GetY()-pTPC.GetY()) >kMaxDy) return;
1524 if (TMath::Abs(pITS.GetSnp()-pTPC.GetSnp())>kMaxAngle) return;
1525 if (TMath::Abs(pITS.GetTgl()-pTPC.GetTgl())>kMaxAngle) return;
1527 // 1. Update median and RMS info
1529 TVectorD vecDelta(5),vecMedian(5), vecRMS(5);
1530 TVectorD vecDeltaN(5);
1531 Double_t sign=(pITS.GetParameter()[1]>0)? 1.:-1.;
1533 for (Int_t i=0;i<4;i++){
1534 vecDelta[i]=(pITS.GetParameter()[i]-pTPC.GetParameter()[i])*sign;
1535 kgdP[i][kglast%kN]=vecDelta[i];
1538 Int_t entries=(kglast<kN)?kglast:kN;
1539 for (Int_t i=0;i<4;i++){
1540 vecMedian[i] = TMath::Median(entries,kgdP[i]);
1541 vecRMS[i] = TMath::RMS(entries,kgdP[i]);
1544 vecDeltaN[i] = (vecDelta[i]-vecMedian[i])/vecRMS[i];
1545 vecDeltaN[4]+= TMath::Abs(vecDeltaN[i]); //sum of abs residuals
1549 // 2. Apply median+-rms cut
1551 if (kglast<3) return; //median and RMS to be defined
1552 if ( vecDeltaN[4]/4.>kSigmaCut) return;
1554 // 3. Update alignment
1556 Int_t htime = (fTime-fTimeKalmanBin/2)/fTimeKalmanBin; //time bins number
1557 if (fAlignITSTPC->GetEntriesFast()<htime){
1558 fAlignITSTPC->Expand(htime*2+20);
1560 AliRelAlignerKalman* align = (AliRelAlignerKalman*)fAlignITSTPC->At(htime);
1562 // make Alignment object if doesn't exist
1563 align=new AliRelAlignerKalman();
1564 align->SetRunNumber(fRun);
1565 (*align->GetStateCov())(6,6)=kVdErr*kVdErr;
1566 (*align->GetStateCov())(7,7)=kT0Err*kT0Err;
1567 (*align->GetStateCov())(8,8)=kVdYErr*kVdYErr;
1568 align->SetOutRejSigma(kOutCut+kOutCut*kN);
1569 align->SetRejectOutliers(kFALSE);
1571 align->SetTPCvd(AliTPCcalibDB::Instance()->GetParameters()->GetDriftV()/1000000.);
1572 align->SetMagField(fMagF);
1573 fAlignITSTPC->AddAt(align,htime);
1575 align->AddTrackParams(&pITS,&pTPC);
1576 Double_t averageTime = fTime;
1577 if (align->GetTimeStamp()>0&&align->GetNUpdates()>0){
1578 averageTime=((Double_t(align->GetTimeStamp())*Double_t(align->GetNUpdates())+Double_t(fTime)))/(Double_t(align->GetNUpdates())+1.);
1580 align->SetTimeStamp(Int_t(averageTime));
1582 align->SetRunNumber(fRun );
1583 Float_t dca[2],cov[3];
1584 track->GetImpactParameters(dca,cov);
1585 if (TMath::Abs(dca[0])<kMaxDy){
1586 FillResHistoTPCITS(&pTPC,&pITS);
1587 FillResHistoTPC(track);
1590 Int_t nupdates=align->GetNUpdates();
1591 align->SetOutRejSigma(kOutCut+kOutCut*kN/Double_t(nupdates));
1592 align->SetRejectOutliers(kFALSE);
1593 TTreeSRedirector *cstream = GetDebugStreamer();
1594 if (cstream && align->GetState() && align->GetState()->GetNrows()>2 ){
1595 TVectorD gpTPC(3), gdTPC(3);
1596 TVectorD gpITS(3), gdITS(3);
1597 pTPC.GetXYZ(gpTPC.GetMatrixArray());
1598 pTPC.GetDirection(gdTPC.GetMatrixArray());
1599 pITS.GetXYZ(gpITS.GetMatrixArray());
1600 pITS.GetDirection(gdITS.GetMatrixArray());
1601 (*cstream)<<"itstpc"<<
1602 "run="<<fRun<< // run number
1603 "event="<<fEvent<< // event number
1604 "time="<<fTime<< // time stamp of event
1605 "trigger="<<fTrigger<< // trigger
1606 "mag="<<fMagF<< // magnetic field
1608 "hasAlone="<<hasAlone<< // has ITS standalone ?
1609 "track.="<<track<< // track info
1610 "nmed="<<kglast<< // number of entries to define median and RMS
1611 "vMed.="<<&vecMedian<< // median of deltas
1612 "vRMS.="<<&vecRMS<< // rms of deltas
1613 "vDelta.="<<&vecDelta<< // delta in respect to median
1614 "vDeltaN.="<<&vecDeltaN<< // normalized delta in respect to median
1615 "a.="<<align<< // current alignment
1616 "pITS.="<<&pITS<< // track param ITS
1617 "pITS2.="<<&pITS2<< // track param ITS+TPC
1618 "pTPC.="<<&pTPC<< // track param TPC
1619 "gpTPC.="<<&gpTPC<< // global position TPC
1620 "gdTPC.="<<&gdTPC<< // global direction TPC
1621 "gpITS.="<<&gpITS<< // global position ITS
1622 "gdITS.="<<&gdITS<< // global position ITS
1630 void AliTPCcalibTime::ProcessAlignTRD(AliESDtrack *const track, const AliESDfriendTrack *const friendTrack){
1632 // Process track - Update TPC-TRD alignment
1634 // 0. Apply standartd cuts
1635 // 1. Recalucluate the current statistic median/RMS
1636 // 2. Apply median+-rms cut
1637 // 3. Update kalman filter
1639 const Int_t kMinTPC = 80; // minimal number of TPC cluster
1640 const Int_t kMinTRD = 50; // minimal number of TRD cluster
1641 const Double_t kMinZ = 20; // maximal dz distance
1642 const Double_t kMaxDy = 5.; // maximal dy distance
1643 const Double_t kMaxAngle= 0.1; // maximal angular distance
1644 const Double_t kSigmaCut= 10; // maximal sigma distance to median
1645 const Double_t kVdErr = 0.1; // initial uncertainty of the vd correction
1646 const Double_t kT0Err = 3.; // initial uncertainty of the T0 time
1647 const Double_t kVdYErr = 0.05; // initial uncertainty of the vd correction
1648 const Double_t kOutCut = 1.0; // outlyer cut in AliRelAlgnmentKalman
1649 const Double_t kRefX = 275; // reference X
1650 const Int_t kN=50; // deepnes of history
1651 static Int_t kglast=0;
1652 static Double_t* kgdP[4]={new Double_t[kN], new Double_t[kN], new Double_t[kN], new Double_t[kN]};
1654 // 0. Apply standard cuts
1656 Int_t dummycl[1000];
1657 if (track->GetTRDclusters(dummycl)<kMinTRD) return; // minimal amount of clusters
1658 if (track->GetTPCNcls()<kMinTPC) return; // minimal amount of clusters cut
1659 if (!friendTrack->GetTRDIn()) return;
1660 if (!track->IsOn(AliESDtrack::kTRDrefit)) return;
1661 if (!track->IsOn(AliESDtrack::kTRDout)) return;
1662 if (!track->GetInnerParam()) return;
1663 if (!friendTrack->GetTPCOut()) return;
1664 // exclude crossing track
1665 if (friendTrack->GetTPCOut()->GetZ()*track->GetInnerParam()->GetZ()<0) return;
1666 if (TMath::Abs(track->GetInnerParam()->GetZ())<kMinZ) return;
1668 AliExternalTrackParam &pTPC=(AliExternalTrackParam &)(*(friendTrack->GetTPCOut()));
1669 AliTracker::PropagateTrackToBxByBz(&pTPC,kRefX,0.1,0.1,kFALSE);
1670 AliExternalTrackParam pTRD(*(friendTrack->GetTRDIn()));
1671 pTRD.Rotate(pTPC.GetAlpha());
1672 // pTRD.PropagateTo(pTPC.GetX(),fMagF);
1673 AliTracker::PropagateTrackToBxByBz(&pTRD,pTPC.GetX(),0.1,0.1,kFALSE);
1675 ((Double_t*)pTRD.GetCovariance())[2]+=3.*3.; // increas sys errors
1676 ((Double_t*)pTRD.GetCovariance())[9]+=0.1*0.1; // increse sys errors
1678 if (TMath::Abs(pTRD.GetY()-pTPC.GetY()) >kMaxDy) return;
1679 if (TMath::Abs(pTRD.GetSnp()-pTPC.GetSnp())>kMaxAngle) return;
1680 // if (TMath::Abs(pTRD.GetTgl()-pTPC.GetTgl())>kMaxAngle) return;
1682 // 1. Update median and RMS info
1684 TVectorD vecDelta(5),vecMedian(5), vecRMS(5);
1685 TVectorD vecDeltaN(5);
1686 Double_t sign=(pTRD.GetParameter()[1]>0)? 1.:-1.;
1688 for (Int_t i=0;i<4;i++){
1689 vecDelta[i]=(pTRD.GetParameter()[i]-pTPC.GetParameter()[i])*sign;
1690 kgdP[i][kglast%kN]=vecDelta[i];
1693 Int_t entries=(kglast<kN)?kglast:kN;
1694 for (Int_t i=0;i<4;i++){
1695 vecMedian[i] = TMath::Median(entries,kgdP[i]);
1697 vecRMS[i] = TMath::RMS(entries,kgdP[i]);
1700 vecDeltaN[i] = (vecDelta[i]-vecMedian[i])/vecRMS[i];
1701 vecDeltaN[4]+= TMath::Abs(vecDeltaN[i]); //sum of abs residuals
1705 // 2. Apply median+-rms cut
1707 if (kglast<3) return; //median and RMS to be defined
1708 if ( vecDeltaN[4]/4.>kSigmaCut) return;
1710 // 3. Update alignment
1712 //Int_t htime = fTime/3600; //time in hours
1713 Int_t htime = (Int_t)(fTime-fTimeKalmanBin/2)/fTimeKalmanBin; //time in half hour
1714 if (fAlignTRDTPC->GetEntriesFast()<htime){
1715 fAlignTRDTPC->Expand(htime*2+20);
1717 AliRelAlignerKalman* align = (AliRelAlignerKalman*)fAlignTRDTPC->At(htime);
1719 // make Alignment object if doesn't exist
1720 align=new AliRelAlignerKalman();
1721 align->SetRunNumber(fRun);
1722 (*align->GetStateCov())(6,6)=kVdErr*kVdErr;
1723 (*align->GetStateCov())(7,7)=kT0Err*kT0Err;
1724 (*align->GetStateCov())(8,8)=kVdYErr*kVdYErr;
1725 align->SetOutRejSigma(kOutCut+kOutCut*kN);
1726 align->SetRejectOutliers(kFALSE);
1727 align->SetTPCvd(AliTPCcalibDB::Instance()->GetParameters()->GetDriftV()/1000000.);
1728 align->SetMagField(fMagF);
1729 fAlignTRDTPC->AddAt(align,htime);
1731 align->AddTrackParams(&pTRD,&pTPC);
1732 //align->SetTimeStamp(fTime);
1733 Double_t averageTime = fTime;
1734 if (align->GetTimeStamp()>0 && align->GetNUpdates()>0) {
1735 averageTime = (((Double_t)fTime) + ((Double_t)align->GetTimeStamp())*align->GetNUpdates()) / (align->GetNUpdates() + 1.);
1736 //printf("align->GetTimeStamp() %d, align->GetNUpdates() %d \n", align->GetTimeStamp(), align->GetNUpdates());
1738 align->SetTimeStamp((Int_t)averageTime);
1740 //printf("fTime %d, averageTime %d \n", fTime, (Int_t)averageTime);
1742 align->SetRunNumber(fRun );
1743 Float_t dca[2],cov[3];
1744 track->GetImpactParameters(dca,cov);
1745 if (TMath::Abs(dca[0])<kMaxDy){
1746 FillResHistoTPCTRD(&pTPC,&pTRD); //only primaries
1749 Int_t nupdates=align->GetNUpdates();
1750 align->SetOutRejSigma(kOutCut+kOutCut*kN/Double_t(nupdates));
1751 align->SetRejectOutliers(kFALSE);
1752 TTreeSRedirector *cstream = GetDebugStreamer();
1753 if (cstream && align->GetState() && align->GetState()->GetNrows()>2 ){
1754 TVectorD gpTPC(3), gdTPC(3);
1755 TVectorD gpTRD(3), gdTRD(3);
1756 pTPC.GetXYZ(gpTPC.GetMatrixArray());
1757 pTPC.GetDirection(gdTPC.GetMatrixArray());
1758 pTRD.GetXYZ(gpTRD.GetMatrixArray());
1759 pTRD.GetDirection(gdTRD.GetMatrixArray());
1760 (*cstream)<<"trdtpc"<<
1761 "run="<<fRun<< // run number
1762 "event="<<fEvent<< // event number
1763 "time="<<fTime<< // time stamp of event
1764 "trigger="<<fTrigger<< // trigger
1765 "mag="<<fMagF<< // magnetic field
1767 "nmed="<<kglast<< // number of entries to define median and RMS
1768 "vMed.="<<&vecMedian<< // median of deltas
1769 "vRMS.="<<&vecRMS<< // rms of deltas
1770 "vDelta.="<<&vecDelta<< // delta in respect to median
1771 "vDeltaN.="<<&vecDeltaN<< // normalized delta in respect to median
1772 "t.="<<track<< // ful track - find proper cuts
1773 "a.="<<align<< // current alignment
1774 "pTRD.="<<&pTRD<< // track param TRD
1775 "pTPC.="<<&pTPC<< // track param TPC
1776 "gpTPC.="<<&gpTPC<< // global position TPC
1777 "gdTPC.="<<&gdTPC<< // global direction TPC
1778 "gpTRD.="<<&gpTRD<< // global position TRD
1779 "gdTRD.="<<&gdTRD<< // global position TRD
1785 void AliTPCcalibTime::ProcessAlignTOF(AliESDtrack *const track, const AliESDfriendTrack *const friendTrack){
1788 // Process track - Update TPC-TOF alignment
1790 // -1. Make a TOF "track"
1791 // 0. Apply standartd cuts
1792 // 1. Recalucluate the current statistic median/RMS
1793 // 2. Apply median+-rms cut
1794 // 3. Update kalman filter
1796 const Int_t kMinTPC = 80; // minimal number of TPC cluster
1797 // const Double_t kMinZ = 10; // maximal dz distance
1798 const Double_t kMaxDy = 5.; // maximal dy distance
1799 const Double_t kMaxAngle= 0.05; // maximal angular distance
1800 const Double_t kSigmaCut= 5; // maximal sigma distance to median
1801 const Double_t kVdErr = 0.1; // initial uncertainty of the vd correction
1802 const Double_t kT0Err = 3.; // initial uncertainty of the T0 time
1803 const Double_t kVdYErr = 0.05; // initial uncertainty of the vd correction
1805 const Double_t kOutCut = 1.0; // outlyer cut in AliRelAlgnmentKalman
1806 const Int_t kN=50; // deepnes of history
1807 static Int_t kglast=0;
1808 static Double_t* kgdP[4]={new Double_t[kN], new Double_t[kN], new Double_t[kN], new Double_t[kN]};
1810 // -1. Make a TOF track-
1811 // Clusters are not in friends - use alingment points
1813 if (track->GetTOFsignal()<=0) return;
1814 if (!friendTrack->GetTPCOut()) return;
1815 if (!track->GetInnerParam()) return;
1816 if (!friendTrack->GetTPCOut()) return;
1817 const AliTrackPointArray *points=friendTrack->GetTrackPointArray();
1818 if (!points) return;
1819 AliExternalTrackParam pTPC(*(friendTrack->GetTPCOut()));
1820 AliExternalTrackParam pTOF(pTPC);
1821 Double_t mass = TDatabasePDG::Instance()->GetParticle("mu+")->Mass();
1822 Int_t npoints = points->GetNPoints();
1823 AliTrackPoint point;
1826 for (Int_t ipoint=0;ipoint<npoints;ipoint++){
1827 points->GetPoint(point,ipoint);
1830 Double_t r=TMath::Sqrt(xyz[0]*xyz[0]+xyz[1]*xyz[1]);
1831 if (r<350) continue;
1832 if (r>400) continue;
1833 AliTracker::PropagateTrackToBxByBz(&pTPC,r,mass,2.,kTRUE);
1834 AliTracker::PropagateTrackToBxByBz(&pTPC,r,mass,0.1,kTRUE);
1835 AliTrackPoint lpoint = point.Rotate(pTPC.GetAlpha());
1836 pTPC.PropagateTo(lpoint.GetX(),fMagF);
1838 ((Double_t*)pTOF.GetParameter())[0] =lpoint.GetY();
1839 ((Double_t*)pTOF.GetParameter())[1] =lpoint.GetZ();
1840 ((Double_t*)pTOF.GetCovariance())[0]+=3.*3./12.;
1841 ((Double_t*)pTOF.GetCovariance())[2]+=3.*3./12.;
1842 ((Double_t*)pTOF.GetCovariance())[5]+=0.1*0.1;
1843 ((Double_t*)pTOF.GetCovariance())[9]+=0.1*0.1;
1846 if (naccept==0) return; // no tof match clusters
1848 // 0. Apply standard cuts
1850 if (track->GetTPCNcls()<kMinTPC) return; // minimal amount of clusters cut
1851 // exclude crossing track
1852 if (friendTrack->GetTPCOut()->GetZ()*track->GetInnerParam()->GetZ()<0) return;
1854 if (TMath::Abs(pTOF.GetY()-pTPC.GetY()) >kMaxDy) return;
1855 if (TMath::Abs(pTOF.GetSnp()-pTPC.GetSnp())>kMaxAngle) return;
1856 if (TMath::Abs(pTOF.GetTgl()-pTPC.GetTgl())>kMaxAngle) return;
1858 // 1. Update median and RMS info
1860 TVectorD vecDelta(5),vecMedian(5), vecRMS(5);
1861 TVectorD vecDeltaN(5);
1862 Double_t sign=(pTOF.GetParameter()[1]>0)? 1.:-1.;
1864 for (Int_t i=0;i<4;i++){
1865 vecDelta[i]=(pTOF.GetParameter()[i]-pTPC.GetParameter()[i])*sign;
1866 kgdP[i][kglast%kN]=vecDelta[i];
1869 Int_t entries=(kglast<kN)?kglast:kN;
1871 for (Int_t i=0;i<4;i++){
1872 vecMedian[i] = TMath::Median(entries,kgdP[i]);
1873 vecRMS[i] = TMath::RMS(entries,kgdP[i]);
1876 vecDeltaN[i] = (vecDelta[i]-vecMedian[i])/(vecRMS[i]+1.);
1877 vecDeltaN[4]+= TMath::Abs(vecDeltaN[i]); //sum of abs residuals
1878 if (TMath::Abs(vecDeltaN[i])>kSigmaCut) isOK=kFALSE;
1882 // 2. Apply median+-rms cut
1884 if (kglast<10) return; //median and RMS to be defined
1887 // 3. Update alignment
1889 //Int_t htime = fTime/3600; //time in hours
1890 Int_t htime = (Int_t)(fTime-fTimeKalmanBin)/fTimeKalmanBin; //time bin
1891 if (fAlignTOFTPC->GetEntriesFast()<htime){
1892 fAlignTOFTPC->Expand(htime*2+20);
1894 AliRelAlignerKalman* align = (AliRelAlignerKalman*)fAlignTOFTPC->At(htime);
1896 // make Alignment object if doesn't exist
1897 align=new AliRelAlignerKalman();
1898 align->SetRunNumber(fRun);
1899 (*align->GetStateCov())(6,6)=kVdErr*kVdErr;
1900 (*align->GetStateCov())(7,7)=kT0Err*kT0Err;
1901 (*align->GetStateCov())(8,8)=kVdYErr*kVdYErr;
1902 align->SetOutRejSigma(kOutCut+kOutCut*kN);
1903 align->SetRejectOutliers(kFALSE);
1904 align->SetTPCvd(AliTPCcalibDB::Instance()->GetParameters()->GetDriftV()/1000000.);
1905 align->SetMagField(fMagF);
1906 fAlignTOFTPC->AddAt(align,htime);
1908 align->AddTrackParams(&pTOF,&pTPC);
1909 Float_t dca[2],cov[3];
1910 track->GetImpactParameters(dca,cov);
1911 if (TMath::Abs(dca[0])<kMaxDy){
1912 FillResHistoTPCTOF(&pTPC,&pTOF);
1914 //align->SetTimeStamp(fTime);
1915 Double_t averageTime = fTime;
1916 if (align->GetTimeStamp()>0 && align->GetNUpdates()>0) {
1917 averageTime = (((Double_t)fTime) + ((Double_t)align->GetTimeStamp())*align->GetNUpdates()) / (align->GetNUpdates() + 1.);
1918 //printf("align->GetTimeStamp() %d, align->GetNUpdates() %d \n", align->GetTimeStamp(), align->GetNUpdates());
1920 align->SetTimeStamp((Int_t)averageTime);
1922 //printf("fTime %d, averageTime %d \n", fTime, (Int_t)averageTime);
1924 align->SetRunNumber(fRun );
1926 Int_t nupdates=align->GetNUpdates();
1927 align->SetOutRejSigma(kOutCut+kOutCut*kN/Double_t(nupdates));
1928 align->SetRejectOutliers(kFALSE);
1929 TTreeSRedirector *cstream = GetDebugStreamer();
1930 if (cstream && align->GetState() && align->GetState()->GetNrows()>2 ){
1931 TVectorD gpTPC(3), gdTPC(3);
1932 TVectorD gpTOF(3), gdTOF(3);
1933 pTPC.GetXYZ(gpTPC.GetMatrixArray());
1934 pTPC.GetDirection(gdTPC.GetMatrixArray());
1935 pTOF.GetXYZ(gpTOF.GetMatrixArray());
1936 pTOF.GetDirection(gdTOF.GetMatrixArray());
1937 (*cstream)<<"toftpc"<<
1938 "run="<<fRun<< // run number
1939 "event="<<fEvent<< // event number
1940 "time="<<fTime<< // time stamp of event
1941 "trigger="<<fTrigger<< // trigger
1942 "mag="<<fMagF<< // magnetic field
1944 "nmed="<<kglast<< // number of entries to define median and RMS
1945 "vMed.="<<&vecMedian<< // median of deltas
1946 "vRMS.="<<&vecRMS<< // rms of deltas
1947 "vDelta.="<<&vecDelta<< // delta in respect to median
1948 "vDeltaN.="<<&vecDeltaN<< // normalized delta in respect to median
1949 "t.="<<track<< // ful track - find proper cuts
1950 "a.="<<align<< // current alignment
1951 "pTOF.="<<&pTOF<< // track param TOF
1952 "pTPC.="<<&pTPC<< // track param TPC
1953 "gpTPC.="<<&gpTPC<< // global position TPC
1954 "gdTPC.="<<&gdTPC<< // global direction TPC
1955 "gpTOF.="<<&gpTOF<< // global position TOF
1956 "gdTOF.="<<&gdTOF<< // global position TOF
1962 void AliTPCcalibTime::BookDistortionMaps(){
1964 // Book ndimensional histograms of distortions/residuals
1965 // Only primary tracks are selected for analysis
1968 Double_t xminTrack[5], xmaxTrack[5];
1970 TString axisName[5];
1971 TString axisTitle[5];
1974 axisName[0] ="#Delta";
1975 axisTitle[0] ="#Delta";
1978 xminTrack[1] =-1.1; xmaxTrack[1]=1.1;
1979 axisName[1] ="tanTheta";
1980 axisTitle[1] ="tan(#Theta)";
1983 xminTrack[2] =-TMath::Pi(); xmaxTrack[2]=TMath::Pi();
1985 axisTitle[2] ="#phi";
1988 xminTrack[3] =-1.; xmaxTrack[3]=1.; // 0.33 GeV cut
1990 axisTitle[3] ="snp";
1993 xminTrack[4] =120.; xmaxTrack[4]=215.; // crossing radius for CE only
1995 axisTitle[4] ="r(cm)";
1998 xminTrack[0] =-1.5; xmaxTrack[0]=1.5; //
1999 fResHistoTPCCE[0] = new THnSparseS("TPCCE#Delta_{Y} (cm)","#Delta_{Y} (cm)", 5, binsTrack,xminTrack, xmaxTrack);
2000 fResHistoTPCITS[0] = new THnSparseS("TPCITS#Delta_{Y} (cm)","#Delta_{Y} (cm)", 4, binsTrack,xminTrack, xmaxTrack);
2001 fResHistoTPCvertex[0] = new THnSparseS("TPCVertex#Delta_{Y} (cm)","#Delta_{Y} (cm)", 4, binsTrack,xminTrack, xmaxTrack);
2002 xminTrack[0] =-1.5; xmaxTrack[0]=1.5; //
2003 fResHistoTPCTRD[0] = new THnSparseS("TPCTRD#Delta_{Y} (cm)","#Delta_{Y} (cm)", 4, binsTrack,xminTrack, xmaxTrack);
2004 xminTrack[0] =-5; xmaxTrack[0]=5; //
2005 fResHistoTPCTOF[0] = new THnSparseS("TPCTOF#Delta_{Y} (cm)","#Delta_{Y} (cm)", 4, binsTrack,xminTrack, xmaxTrack);
2008 xminTrack[0] =-3.; xmaxTrack[0]=3.; //
2009 fResHistoTPCCE[1] = new THnSparseS("TPCCE#Delta_{Z} (cm)","#Delta_{Z} (cm)", 5, binsTrack,xminTrack, xmaxTrack);
2010 fResHistoTPCITS[1] = new THnSparseS("TPCITS#Delta_{Z} (cm)","#Delta_{Z} (cm)", 4, binsTrack,xminTrack, xmaxTrack);
2011 fResHistoTPCvertex[1] = new THnSparseS("TPCVertex#Delta_{Z} (cm)","#Delta_{Z} (cm)", 4, binsTrack,xminTrack, xmaxTrack);
2012 fResHistoTPCTRD[1] = new THnSparseS("TPCTRD#Delta_{Z} (cm)","#Delta_{Z} (cm)", 4, binsTrack,xminTrack, xmaxTrack);
2013 xminTrack[0] =-5.; xmaxTrack[0]=5.; //
2014 fResHistoTPCTOF[1] = new THnSparseS("TPCTOF#Delta_{Z} (cm)","#Delta_{Z} (cm)", 4, binsTrack,xminTrack, xmaxTrack);
2017 xminTrack[0] =-0.015; xmaxTrack[0]=0.015; //
2018 fResHistoTPCCE[2] = new THnSparseS("TPCCE#Delta_{#phi}","#Delta_{#phi}", 5, binsTrack,xminTrack, xmaxTrack);
2019 fResHistoTPCITS[2] = new THnSparseS("TPCITS#Delta_{#phi}","#Delta_{#phi}", 4, binsTrack,xminTrack, xmaxTrack);
2020 fResHistoTPCvertex[2] = new THnSparseS("TPCITSv#Delta_{#phi}","#Delta_{#phi}", 4, binsTrack,xminTrack, xmaxTrack);
2021 fResHistoTPCTRD[2] = new THnSparseS("TPCTRD#Delta_{#phi}","#Delta_{#phi}", 4, binsTrack,xminTrack, xmaxTrack);
2022 fResHistoTPCTOF[2] = new THnSparseS("TPCTOF#Delta_{#phi}","#Delta_{#phi}", 4, binsTrack,xminTrack, xmaxTrack);
2025 xminTrack[0] =-0.025; xmaxTrack[0]=0.025; //
2026 fResHistoTPCCE[3] = new THnSparseS("TPCCE#Delta_{#theta}","#Delta_{#theta}", 5, binsTrack,xminTrack, xmaxTrack);
2027 fResHistoTPCITS[3] = new THnSparseS("TPCITS#Delta_{#theta}","#Delta_{#theta}", 4, binsTrack,xminTrack, xmaxTrack);
2028 fResHistoTPCvertex[3] = new THnSparseS("TPCITSv#Delta_{#theta}","#Delta_{#theta}", 4, binsTrack,xminTrack, xmaxTrack);
2029 fResHistoTPCTRD[3] = new THnSparseS("TPCTRD#Delta_{#theta}","#Delta_{#theta}", 4, binsTrack,xminTrack, xmaxTrack);
2030 fResHistoTPCTOF[3] = new THnSparseS("TPCTOF#Delta_{#theta}","#Delta_{#theta}", 4, binsTrack,xminTrack, xmaxTrack);
2033 xminTrack[0] =-0.2; xmaxTrack[0]=0.2; //
2034 fResHistoTPCCE[4] = new THnSparseS("TPCCE#Delta_{1/pt}","#Delta_{1/pt}", 5, binsTrack,xminTrack, xmaxTrack);
2035 fResHistoTPCITS[4] = new THnSparseS("TPCITS#Delta_{1/pt}","#Delta_{1/pt}", 4, binsTrack,xminTrack, xmaxTrack);
2036 fResHistoTPCvertex[4] = new THnSparseS("TPCITSv#Delta_{1/pt}","#Delta_{1/pt}", 4, binsTrack,xminTrack, xmaxTrack);
2037 fResHistoTPCTRD[4] = new THnSparseS("TPCTRD#Delta_{1/pt}","#Delta_{1/pt}", 4, binsTrack,xminTrack, xmaxTrack);
2038 fResHistoTPCTOF[4] = new THnSparseS("TPCTOF#Delta_{1/pt}","#Delta_{1/pt}", 4, binsTrack,xminTrack, xmaxTrack);
2040 for (Int_t ivar=0;ivar<4;ivar++){
2041 for (Int_t ivar2=0;ivar2<5;ivar2++){
2042 fResHistoTPCCE[ivar]->GetAxis(ivar2)->SetName(axisName[ivar2].Data());
2043 fResHistoTPCCE[ivar]->GetAxis(ivar2)->SetTitle(axisTitle[ivar2].Data());
2045 fResHistoTPCITS[ivar]->GetAxis(ivar2)->SetName(axisName[ivar2].Data());
2046 fResHistoTPCITS[ivar]->GetAxis(ivar2)->SetTitle(axisTitle[ivar2].Data());
2047 fResHistoTPCTRD[ivar]->GetAxis(ivar2)->SetName(axisName[ivar2].Data());
2048 fResHistoTPCTRD[ivar]->GetAxis(ivar2)->SetTitle(axisTitle[ivar2].Data());
2049 fResHistoTPCvertex[ivar]->GetAxis(ivar2)->SetName(axisName[ivar2].Data());
2050 fResHistoTPCvertex[ivar]->GetAxis(ivar2)->SetTitle(axisTitle[ivar2].Data());
2055 // Book vertex: time histograms
2057 Int_t binsVertex[2]={500, fTimeBins};
2058 Double_t aminVertex[2]={-5,fTimeStart};
2059 Double_t amaxVertex[2]={5, fTimeEnd};
2060 const char* hnames[12]={"TPCXAside", "TPCXCside","TPCXACdiff","TPCXAPCdiff",
2061 "TPCYAside", "TPCYCside","TPCYACdiff","TPCYAPCdiff",
2062 "TPCZAPCside", "TPCZAMCside","TPCZACdiff","TPCZAPCdiff"};
2063 const char* anames[12]={"x (cm) - A side ", "x (cm) - C side","#Delta_{x} (cm) - TPC-A-C","#Delta_{x} (cm) - TPC-Common",
2064 "y (cm) - A side ", "y (cm) - C side","#Delta_{x} (cm) - TPC-A-C","#Delta_{y} (cm) - TPC-Common",
2065 "z (cm)", "#Delta_{Z} (cm) A-C side","#Delta_{x} (cm) - TPC-A-C","#Delta_{Z} (cm) TPC-common"};
2066 for (Int_t ihis=0; ihis<12; ihis++) {
2067 if (ihis>=8) aminVertex[0]=-20.;
2068 if (ihis>=8) amaxVertex[0]=20.;
2069 fTPCVertex[ihis]=new THnSparseF(hnames[ihis],hnames[ihis],2,binsVertex,aminVertex,amaxVertex);
2070 fTPCVertex[ihis]->GetAxis(1)->SetTitle("Time");
2071 fTPCVertex[ihis]->GetAxis(0)->SetTitle(anames[ihis]);
2074 Int_t binsVertexC[2]={40, 300};
2075 Double_t aminVertexC[2]={-20,-30};
2076 Double_t amaxVertexC[2]={20,30};
2077 const char* hnamesC[5]={"TPCA_TPC","TPCC_TPC","TPCA_ITS","TPCC_ITS","TPC_ITS"};
2078 for (Int_t ihis=0; ihis<5; ihis++) {
2079 fTPCVertexCorrelation[ihis]=new THnSparseF(hnamesC[ihis],hnamesC[ihis],2,binsVertexC,aminVertexC,amaxVertexC);
2080 fTPCVertexCorrelation[ihis]->GetAxis(1)->SetTitle("z (cm)");
2081 fTPCVertexCorrelation[ihis]->GetAxis(0)->SetTitle("z (cm)");
2086 void AliTPCcalibTime::FillResHistoTPCCE(const AliExternalTrackParam * pTPCIn, const AliExternalTrackParam * pTPCOut ){
2088 // fill residual histograms pTPCOut-pTPCin - trac crossing CE
2091 if (fMemoryMode<2) return;
2094 pTPCIn->GetXYZ(xyz);
2095 Double_t phi= TMath::ATan2(xyz[1],xyz[0]);
2096 histoX[1]= pTPCIn->GetTgl();
2098 histoX[3]= pTPCIn->GetSnp();
2099 histoX[4]= pTPCIn->GetX();
2100 AliExternalTrackParam lout(*pTPCOut);
2101 lout.Rotate(pTPCIn->GetAlpha());
2102 lout.PropagateTo(pTPCIn->GetX(),fMagF);
2104 for (Int_t ihisto=0; ihisto<5; ihisto++){
2105 histoX[0]=lout.GetParameter()[ihisto]-pTPCIn->GetParameter()[ihisto];
2106 fResHistoTPCCE[ihisto]->Fill(histoX);
2109 void AliTPCcalibTime::FillResHistoTPCITS(const AliExternalTrackParam * pTPCIn, const AliExternalTrackParam * pITSOut ){
2111 // fill residual histograms pTPCIn-pITSOut
2112 // Histogram is filled only for primary tracks
2116 pTPCIn->GetXYZ(xyz);
2117 Double_t phi= TMath::ATan2(xyz[1],xyz[0]);
2118 histoX[1]= pTPCIn->GetTgl();
2120 histoX[3]= pTPCIn->GetSnp();
2121 AliExternalTrackParam lits(*pITSOut);
2122 lits.Rotate(pTPCIn->GetAlpha());
2123 lits.PropagateTo(pTPCIn->GetX(),fMagF);
2125 for (Int_t ihisto=0; ihisto<5; ihisto++){
2126 histoX[0]=pTPCIn->GetParameter()[ihisto]-lits.GetParameter()[ihisto];
2127 fResHistoTPCITS[ihisto]->Fill(histoX);
2132 void AliTPCcalibTime::FillResHistoTPC(const AliESDtrack * pTrack){
2134 // fill residual histograms pTPC - vertex
2135 // Histogram is filled only for primary tracks
2137 if (fMemoryMode<2) return;
2139 const AliExternalTrackParam * pTPCIn = pTrack->GetInnerParam();
2140 AliExternalTrackParam pTPCvertex(*(pTrack->GetInnerParam()));
2142 AliExternalTrackParam lits(*pTrack);
2143 if (TMath::Abs(pTrack->GetY())>3) return; // beam pipe
2144 pTPCvertex.Rotate(lits.GetAlpha());
2145 //pTPCvertex.PropagateTo(pTPCvertex->GetX(),fMagF);
2146 AliTracker::PropagateTrackToBxByBz(&pTPCvertex,lits.GetX(),0.1,2,kFALSE);
2147 AliTracker::PropagateTrackToBxByBz(&pTPCvertex,lits.GetX(),0.1,0.1,kFALSE);
2149 pTPCIn->GetXYZ(xyz);
2150 Double_t phi= TMath::ATan2(xyz[1],xyz[0]);
2151 histoX[1]= pTPCIn->GetTgl();
2153 histoX[3]= pTPCIn->GetSnp();
2155 Float_t dca[2], cov[3];
2156 pTrack->GetImpactParametersTPC(dca,cov);
2157 for (Int_t ihisto=0; ihisto<5; ihisto++){
2158 histoX[0]=pTPCvertex.GetParameter()[ihisto]-lits.GetParameter()[ihisto];
2159 // if (ihisto<2) histoX[0]=dca[ihisto];
2160 fResHistoTPCvertex[ihisto]->Fill(histoX);
2165 void AliTPCcalibTime::FillResHistoTPCTRD(const AliExternalTrackParam * pTPCOut, const AliExternalTrackParam * pTRDIn ){
2167 // fill resuidual histogram TPCout-TRDin
2169 if (fMemoryMode<2) return;
2172 pTPCOut->GetXYZ(xyz);
2173 Double_t phi= TMath::ATan2(xyz[1],xyz[0]);
2174 histoX[1]= pTPCOut->GetTgl();
2176 histoX[3]= pTPCOut->GetSnp();
2178 AliExternalTrackParam ltrd(*pTRDIn);
2179 ltrd.Rotate(pTPCOut->GetAlpha());
2180 // ltrd.PropagateTo(pTPCOut->GetX(),fMagF);
2181 AliTracker::PropagateTrackToBxByBz(<rd,pTPCOut->GetX(),0.1,0.1,kFALSE);
2183 for (Int_t ihisto=0; ihisto<5; ihisto++){
2184 histoX[0]=pTPCOut->GetParameter()[ihisto]-ltrd.GetParameter()[ihisto];
2185 fResHistoTPCTRD[ihisto]->Fill(histoX);
2190 void AliTPCcalibTime::FillResHistoTPCTOF(const AliExternalTrackParam * pTPCOut, const AliExternalTrackParam * pTOFIn ){
2192 // fill resuidual histogram TPCout-TOFin
2193 // track propagated to the TOF position
2194 if (fMemoryMode<2) return;
2198 AliExternalTrackParam ltpc(*pTPCOut);
2199 ltpc.Rotate(pTOFIn->GetAlpha());
2200 AliTracker::PropagateTrackToBxByBz(<pc,pTOFIn->GetX(),0.1,0.1,kFALSE);
2203 Double_t phi= TMath::ATan2(xyz[1],xyz[0]);
2204 histoX[1]= ltpc.GetTgl();
2206 histoX[3]= ltpc.GetSnp();
2208 for (Int_t ihisto=0; ihisto<2; ihisto++){
2209 histoX[0]=ltpc.GetParameter()[ihisto]-pTOFIn->GetParameter()[ihisto];
2210 fResHistoTPCTOF[ihisto]->Fill(histoX);