1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
17 Comments to be written here:
19 1. What do we calibrate.
21 Time dependence of gain and drift velocity in order to account for changes in: temperature, pressure, gas composition.
23 AliTPCcalibTime *calibTime = new AliTPCcalibTime("cosmicTime","cosmicTime",0, 1213.9e+06, 1213.96e+06, 0.04e+04, 0.04e+04);
25 2. How to interpret results
29 a) determine the required time range:
31 AliXRDPROOFtoolkit tool;
32 TChain * chain = tool.MakeChain("pass2.txt","esdTree",0,6000);
33 chain->Draw("GetTimeStamp()")
35 b) analyse calibration object on Proof in calibration train
37 AliTPCcalibTime *calibTime = new AliTPCcalibTime("cosmicTime","cosmicTime", StartTimeStamp, EndTimeStamp, IntegrationTimeVdrift);
41 gSystem->Load("libANALYSIS");
42 gSystem->Load("libTPCcalib");
44 TFile f("CalibObjectsTrain1.root");
45 AliTPCcalibTime *calib = (AliTPCcalibTime *)f->Get("calibTime");
46 calib->GetHistoDrift("all")->Projection(2,0)->Draw()
47 calib->GetFitDrift("all")->Draw("lp")
49 4. Analysis using debug streamers.
51 gSystem->AddIncludePath("-I$ALICE_ROOT/TPC/macros");
52 gROOT->LoadMacro("$ALICE_ROOT/TPC/macros/AliXRDPROOFtoolkit.cxx+")
53 AliXRDPROOFtoolkit tool;
54 TChain * chainTime = tool.MakeChainRandom("time.txt","trackInfo",0,10000);
56 AliXRDPROOFtoolkit::FilterList("timetpctpc.txt","* tpctpc",1)
57 AliXRDPROOFtoolkit::FilterList("timetoftpc.txt","* toftpc",1)
58 AliXRDPROOFtoolkit::FilterList("timeitstpc.txt","* itstpc",1)
59 AliXRDPROOFtoolkit::FilterList("timelaser.txt","* laserInfo",1)
60 TChain * chainTPCTPC = tool.MakeChainRandom("timetpctpc.txt.Good","tpctpc",0,10000);
61 TChain * chainTPCITS = tool.MakeChainRandom("timeitstpc.txt.Good","itstpc",0,10000);
62 TChain * chainTPCTOF = tool.MakeChainRandom("timetoftpc.txt.Good","toftpc",0,10000);
63 TChain * chainLaser = tool.MakeChainRandom("timelaser.txt.Good","laserInfo",0,10000);
68 #include "Riostream.h"
69 #include "TDatabasePDG.h"
70 #include "TGraphErrors.h"
72 #include "THnSparse.h"
75 #include "TTimeStamp.h"
81 #include "AliDCSSensor.h"
82 #include "AliDCSSensorArray.h"
83 #include "AliESDEvent.h"
84 #include "AliESDInputHandler.h"
85 #include "AliESDVertex.h"
86 #include "AliESDfriend.h"
88 #include "AliRelAlignerKalman.h"
89 #include "AliTPCCalROC.h"
90 #include "AliTPCParam.h"
91 #include "AliTPCTracklet.h"
92 #include "AliTPCcalibDB.h"
93 #include "AliTPCcalibLaser.h"
94 #include "AliTPCcalibTime.h"
95 #include "AliTPCclusterMI.h"
96 #include "AliTPCseed.h"
97 #include "AliTrackPointArray.h"
98 #include "AliTracker.h"
100 ClassImp(AliTPCcalibTime)
103 AliTPCcalibTime::AliTPCcalibTime()
105 fLaser(0), // pointer to laser calibration
106 fDz(0), // current delta z
107 fCutMaxD(3), // maximal distance in rfi ditection
108 fCutMaxDz(25), // maximal distance in rfi ditection
109 fCutTheta(0.03), // maximal distan theta
110 fCutMinDir(-0.99), // direction vector products
112 fArrayDz(0), //NEW! Tmap of V drifts for different triggers
113 fAlignITSTPC(0), //alignemnt array ITS TPC match
114 fAlignTRDTPC(0), //alignemnt array TRD TPC match
115 fAlignTOFTPC(0), //alignemnt array TOF TPC match
130 // default constructor
132 AliInfo("Default Constructor");
133 for (Int_t i=0;i<3;i++) {
134 fHistVdriftLaserA[i]=0;
135 fHistVdriftLaserC[i]=0;
137 for (Int_t i=0;i<10;i++) {
138 fCosmiMatchingHisto[i]=0;
141 for (Int_t i=0;i<5;i++) {
142 fResHistoTPCITS[i]=0;
143 fResHistoTPCTRD[i]=0;
144 fResHistoTPCvertex[i]=0;
149 AliTPCcalibTime::AliTPCcalibTime(const Text_t *name, const Text_t *title, UInt_t StartTime, UInt_t EndTime, Int_t deltaIntegrationTimeVdrift)
151 fLaser(0), // pointer to laser calibration
152 fDz(0), // current delta z
153 fCutMaxD(5*0.5356), // maximal distance in rfi ditection
154 fCutMaxDz(40), // maximal distance in rfi ditection
155 fCutTheta(5*0.004644),// maximal distan theta
156 fCutMinDir(-0.99), // direction vector products
158 fArrayDz(0), //Tmap of V drifts for different triggers
159 fAlignITSTPC(0), //alignemnt array ITS TPC match
160 fAlignTRDTPC(0), //alignemnt array TRD TPC match
161 fAlignTOFTPC(0), //alignemnt array TOF TPC match
176 // Non deafaul constructor - to be used in the Calibration setups
181 for (Int_t i=0;i<3;i++) {
182 fHistVdriftLaserA[i]=0;
183 fHistVdriftLaserC[i]=0;
186 for (Int_t i=0;i<5;i++) {
187 fResHistoTPCITS[i]=0;
188 fResHistoTPCTRD[i]=0;
189 fResHistoTPCvertex[i]=0;
193 AliInfo("Non Default Constructor");
194 fTimeBins =(EndTime-StartTime)/deltaIntegrationTimeVdrift;
195 fTimeStart =StartTime; //(((TObjString*)(mapGRP->GetValue("fAliceStartTime")))->GetString()).Atoi();
196 fTimeEnd =EndTime; //(((TObjString*)(mapGRP->GetValue("fAliceStopTime")))->GetString()).Atoi();
207 Int_t binsVdriftLaser[4] = {fTimeBins , fPtBins , fVdriftBins*20, fRunBins };
208 Double_t xminVdriftLaser[4] = {fTimeStart, fPtStart, fVdriftStart , fRunStart};
209 Double_t xmaxVdriftLaser[4] = {fTimeEnd , fPtEnd , fVdriftEnd , fRunEnd };
210 TString axisTitle[4]={
216 TString histoName[3]={
223 for (Int_t i=0;i<3;i++) {
224 fHistVdriftLaserA[i] = new THnSparseF("HistVdriftLaser","HistVdriftLaser;time;p/T ratio;Vdrift;run",4,binsVdriftLaser,xminVdriftLaser,xmaxVdriftLaser);
225 fHistVdriftLaserC[i] = new THnSparseF("HistVdriftLaser","HistVdriftLaser;time;p/T ratio;Vdrift;run",4,binsVdriftLaser,xminVdriftLaser,xmaxVdriftLaser);
226 fHistVdriftLaserA[i]->SetName(histoName[i]);
227 fHistVdriftLaserC[i]->SetName(histoName[i]);
228 for (Int_t iaxis=0; iaxis<4;iaxis++){
229 fHistVdriftLaserA[i]->GetAxis(iaxis)->SetName(axisTitle[iaxis]);
230 fHistVdriftLaserC[i]->GetAxis(iaxis)->SetName(axisTitle[iaxis]);
233 fBinsVdrift[0] = fTimeBins;
234 fBinsVdrift[1] = fPtBins;
235 fBinsVdrift[2] = fVdriftBins;
236 fBinsVdrift[3] = fRunBins;
237 fXminVdrift[0] = fTimeStart;
238 fXminVdrift[1] = fPtStart;
239 fXminVdrift[2] = fVdriftStart;
240 fXminVdrift[3] = fRunStart;
241 fXmaxVdrift[0] = fTimeEnd;
242 fXmaxVdrift[1] = fPtEnd;
243 fXmaxVdrift[2] = fVdriftEnd;
244 fXmaxVdrift[3] = fRunEnd;
246 fArrayDz=new TObjArray();
247 fAlignITSTPC = new TObjArray; //alignemnt array ITS TPC match
248 fAlignTRDTPC = new TObjArray; //alignemnt array ITS TPC match
249 fAlignTOFTPC = new TObjArray; //alignemnt array ITS TPC match
250 fAlignITSTPC->SetOwner(kTRUE);
251 fAlignTRDTPC->SetOwner(kTRUE);
252 fAlignTOFTPC->SetOwner(kTRUE);
255 fCosmiMatchingHisto[0]=new TH1F("Cosmics matching","p0-all" ,100,-10*0.5356 ,10*0.5356 );
256 fCosmiMatchingHisto[1]=new TH1F("Cosmics matching","p1-all" ,100,-10*4.541 ,10*4.541 );
257 fCosmiMatchingHisto[2]=new TH1F("Cosmics matching","p2-all" ,100,-10*0.01134 ,10*0.01134 );
258 fCosmiMatchingHisto[3]=new TH1F("Cosmics matching","p3-all" ,100,-10*0.004644,10*0.004644);
259 fCosmiMatchingHisto[4]=new TH1F("Cosmics matching","p4-all" ,100,-10*0.03773 ,10*0.03773 );
260 fCosmiMatchingHisto[5]=new TH1F("Cosmics matching","p0-isPair",100,-10*0.5356 ,10*0.5356 );
261 fCosmiMatchingHisto[6]=new TH1F("Cosmics matching","p1-isPair",100,-10*4.541 ,10*4.541 );
262 fCosmiMatchingHisto[7]=new TH1F("Cosmics matching","p2-isPair",100,-10*0.01134 ,10*0.01134 );
263 fCosmiMatchingHisto[8]=new TH1F("Cosmics matching","p3-isPair",100,-10*0.004644,10*0.004644);
264 fCosmiMatchingHisto[9]=new TH1F("Cosmics matching","p4-isPair",100,-10*0.03773 ,10*0.03773 );
265 BookDistortionMaps();
268 AliTPCcalibTime::~AliTPCcalibTime(){
270 // Virtual Destructor
272 for(Int_t i=0;i<3;i++){
273 if(fHistVdriftLaserA[i]){
274 delete fHistVdriftLaserA[i];
275 fHistVdriftLaserA[i]=NULL;
277 if(fHistVdriftLaserC[i]){
278 delete fHistVdriftLaserC[i];
279 fHistVdriftLaserC[i]=NULL;
283 fArrayDz->SetOwner();
288 for(Int_t i=0;i<5;i++){
289 if(fCosmiMatchingHisto[i]){
290 delete fCosmiMatchingHisto[i];
291 fCosmiMatchingHisto[i]=NULL;
295 for (Int_t i=0;i<5;i++) {
296 delete fResHistoTPCITS[i];
297 delete fResHistoTPCTRD[i];
298 delete fResHistoTPCvertex[i];
299 fResHistoTPCITS[i]=0;
300 fResHistoTPCTRD[i]=0;
301 fResHistoTPCvertex[i]=0;
305 fAlignITSTPC->SetOwner(kTRUE);
306 fAlignTRDTPC->SetOwner(kTRUE);
307 fAlignTOFTPC->SetOwner(kTRUE);
309 fAlignITSTPC->Delete();
310 fAlignTRDTPC->Delete();
311 fAlignTOFTPC->Delete();
317 Bool_t AliTPCcalibTime::IsLaser(const AliESDEvent *const /*event*/){
319 // Indicator is laser event not yet implemented - to be done using trigger info or event specie
321 return kTRUE; //More accurate creteria to be added
323 Bool_t AliTPCcalibTime::IsCosmics(const AliESDEvent *const /*event*/){
325 // Indicator is cosmic event not yet implemented - to be done using trigger info or event specie
328 return kTRUE; //More accurate creteria to be added
330 Bool_t AliTPCcalibTime::IsBeam(const AliESDEvent *const /*event*/){
332 // Indicator is physic event not yet implemented - to be done using trigger info or event specie
335 return kTRUE; //More accurate creteria to be added
337 void AliTPCcalibTime::ResetCurrent(){
338 fDz=0; //Reset current dz
343 void AliTPCcalibTime::Process(AliESDEvent *event){
345 // main function to make calibration
348 if (event->GetNumberOfTracks()<2) return;
350 if(IsLaser (event)) ProcessLaser (event);
351 if(IsCosmics(event)) ProcessCosmic(event);
352 if(IsBeam (event)) ProcessBeam (event);
355 void AliTPCcalibTime::ProcessLaser(AliESDEvent *event){
357 // Fit drift velocity using laser
360 const Int_t kMinTracks = 40; // minimal number of laser tracks
361 const Int_t kMinTracksSide = 20; // minimal number of tracks per side
362 const Float_t kMaxDeltaZ = 30.; // maximal trigger delay
363 const Float_t kMaxDeltaV = 0.05; // maximal deltaV
364 const Float_t kMaxRMS = 0.1; // maximal RMS of tracks
367 TCut cutRMS("sqrt(laserA.fElements[4])<0.1&&sqrt(laserC.fElements[4])<0.1");
368 TCut cutZ("abs(laserA.fElements[0]-laserC.fElements[0])<3");
369 TCut cutV("abs(laserA.fElements[1]-laserC.fElements[1])<0.01");
370 TCut cutY("abs(laserA.fElements[2]-laserC.fElements[2])<2");
371 TCut cutAll = cutRMS+cutZ+cutV+cutY;
373 if (event->GetNumberOfTracks()<kMinTracks) return;
375 if(!fLaser) fLaser = new AliTPCcalibLaser("laserTPC","laserTPC",kFALSE);
376 fLaser->Process(event);
377 if (fLaser->GetNtracks()<kMinTracks) return; // small amount of tracks cut
378 if (fLaser->fFitAside->GetNrows()==0 && fLaser->fFitCside->GetNrows()==0) return; // no fit neither a or C side
380 // debug streamer - activate stream level
381 // Use it for tuning of the cuts
383 // cuts to be applied
385 Int_t isReject[2]={0,0};
388 if (TMath::Abs((*fLaser->fFitAside)[3]) < kMinTracksSide) isReject[0]|=1;
389 if (TMath::Abs((*fLaser->fFitCside)[3]) < kMinTracksSide) isReject[1]|=1;
390 // unreasonable z offset
391 if (TMath::Abs((*fLaser->fFitAside)[0])>kMaxDeltaZ) isReject[0]|=2;
392 if (TMath::Abs((*fLaser->fFitCside)[0])>kMaxDeltaZ) isReject[1]|=2;
393 // unreasonable drift velocity
394 if (TMath::Abs((*fLaser->fFitAside)[1]-1)>kMaxDeltaV) isReject[0]|=4;
395 if (TMath::Abs((*fLaser->fFitCside)[1]-1)>kMaxDeltaV) isReject[1]|=4;
397 if (TMath::Sqrt(TMath::Abs((*fLaser->fFitAside)[4]))>kMaxRMS ) isReject[0]|=8;
398 if (TMath::Sqrt(TMath::Abs((*fLaser->fFitCside)[4]))>kMaxRMS ) isReject[1]|=8;
404 printf("Trigger: %s\n",event->GetFiredTriggerClasses().Data());
406 TTreeSRedirector *cstream = GetDebugStreamer();
408 TTimeStamp tstamp(fTime);
409 Float_t valuePressure0 = AliTPCcalibDB::GetPressure(tstamp,fRun,0);
410 Float_t valuePressure1 = AliTPCcalibDB::GetPressure(tstamp,fRun,1);
411 Double_t ptrelative0 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,0);
412 Double_t ptrelative1 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,1);
413 Double_t temp0 = AliTPCcalibDB::GetTemperature(tstamp,fRun,0);
414 Double_t temp1 = AliTPCcalibDB::GetTemperature(tstamp,fRun,1);
415 Double_t vdcorr = AliTPCcalibDB::Instance()->GetVDriftCorrectionTime(tstamp,fRun,0,1);
416 TVectorD vecGoofie(20);
417 AliDCSSensorArray* goofieArray = AliTPCcalibDB::Instance()->GetGoofieSensors(fRun);
419 for (Int_t isensor=0; isensor<goofieArray->NumSensors();isensor++){
420 AliDCSSensor *gsensor = goofieArray->GetSensor(isensor);
421 if (gsensor) vecGoofie[isensor]=gsensor->GetValue(tstamp);
424 (*cstream)<<"laserInfo"<<
425 "run="<<fRun<< // run number
426 "event="<<fEvent<< // event number
427 "time="<<fTime<< // time stamp of event
428 "trigger="<<fTrigger<< // trigger
429 "mag="<<fMagF<< // magnetic field
430 // Environment values
431 "press0="<<valuePressure0<<
432 "press1="<<valuePressure1<<
433 "pt0="<<ptrelative0<<
434 "pt1="<<ptrelative1<<
437 "vecGoofie.="<<&vecGoofie<<
440 "rejectA="<<isReject[0]<<
441 "rejectC="<<isReject[1]<<
442 "laserA.="<<fLaser->fFitAside<<
443 "laserC.="<<fLaser->fFitCside<<
444 "laserAC.="<<fLaser->fFitACside<<
445 "trigger="<<event->GetFiredTriggerClasses()<<
452 TVectorD vdriftA(5), vdriftC(5),vdriftAC(5);
453 vdriftA=*(fLaser->fFitAside);
454 vdriftC=*(fLaser->fFitCside);
455 vdriftAC=*(fLaser->fFitACside);
456 Int_t npointsA=0, npointsC=0;
457 Float_t chi2A=0, chi2C=0;
458 npointsA= TMath::Nint(vdriftA[3]);
460 npointsC= TMath::Nint(vdriftC[3]);
463 TTimeStamp tstamp(fTime);
464 Double_t ptrelative0 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,0);
465 Double_t ptrelative1 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,1);
466 Double_t driftA=0, driftC=0;
467 if (vdriftA[1]>1.-kMaxDeltaV) driftA = 1./vdriftA[1]-1.;
468 if (vdriftC[1]>1.-kMaxDeltaV) driftC = 1./vdriftC[1]-1.;
470 Double_t vecDriftLaserA[4]={fTime,(ptrelative0+ptrelative1)/2.0,driftA,event->GetRunNumber()};
471 Double_t vecDriftLaserC[4]={fTime,(ptrelative0+ptrelative1)/2.0,driftC,event->GetRunNumber()};
472 // Double_t vecDrift[4] ={fTime,(ptrelative0+ptrelative1)/2.0,1./((*(fLaser->fFitACside))[1])-1,event->GetRunNumber()};
474 for (Int_t icalib=0;icalib<3;icalib++){
475 if (icalib==0){ //z0 shift
476 vecDriftLaserA[2]=vdriftA[0]/250.;
477 vecDriftLaserC[2]=vdriftC[0]/250.;
479 if (icalib==1){ //vdrel shift
480 vecDriftLaserA[2]=driftA;
481 vecDriftLaserC[2]=driftC;
483 if (icalib==2){ //gy shift - full gy - full drift
484 vecDriftLaserA[2]=vdriftA[2]/250.;
485 vecDriftLaserC[2]=vdriftC[2]/250.;
487 //if (isReject[0]==0) fHistVdriftLaserA[icalib]->Fill(vecDriftLaserA);
488 //if (isReject[1]==0) fHistVdriftLaserC[icalib]->Fill(vecDriftLaserC);
489 fHistVdriftLaserA[icalib]->Fill(vecDriftLaserA);
490 fHistVdriftLaserC[icalib]->Fill(vecDriftLaserC);
493 // THnSparse* curHist=new THnSparseF("","HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
494 // TString shortName=curHist->ClassName();
495 // shortName+="_MEAN_DRIFT_LASER_";
501 // name+=event->GetFiredTriggerClasses();
503 // curHist=(THnSparseF*)fArrayDz->FindObject(name);
505 // curHist=new THnSparseF(name,"HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
506 // fArrayDz->AddLast(curHist);
508 // curHist->Fill(vecDrift);
513 // curHist=(THnSparseF*)fArrayDz->FindObject(name);
515 // curHist=new THnSparseF(name,"HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
516 // fArrayDz->AddLast(curHist);
518 // curHist->Fill(vecDrift);
521 void AliTPCcalibTime::ProcessCosmic(const AliESDEvent *const event){
523 // process Cosmic event - track matching A side C side
526 Printf("ERROR: ESD not available");
529 if (event->GetTimeStamp() == 0 ) {
530 Printf("no time stamp!");
537 // Track0 is choosen in upper TPC part
538 // Track1 is choosen in lower TPC part
540 const Int_t kMinClustersCross =30;
541 const Int_t kMinClusters =80;
542 Int_t ntracks=event->GetNumberOfTracks();
543 if (ntracks==0) return;
544 if (ntracks > fCutTracks) return;
546 if (GetDebugLevel()>20) printf("Hallo world: Im here\n");
547 AliESDfriend *esdFriend=static_cast<AliESDfriend*>(event->FindListObject("AliESDfriend"));
549 TObjArray tpcSeeds(ntracks);
550 Double_t vtxx[3]={0,0,0};
551 Double_t svtxx[3]={0.000001,0.000001,100.};
552 AliESDVertex vtx(vtxx,svtxx);
556 TArrayI clusterSideA(ntracks);
557 TArrayI clusterSideC(ntracks);
558 for (Int_t i=0;i<ntracks;++i) {
561 AliESDtrack *track = event->GetTrack(i);
563 const AliExternalTrackParam * trackIn = track->GetInnerParam();
564 const AliExternalTrackParam * trackOut = track->GetOuterParam();
565 if (!trackIn) continue;
566 if (!trackOut) continue;
568 AliESDfriendTrack *friendTrack = esdFriend->GetTrack(i);
569 if (!friendTrack) continue;
570 if (friendTrack) ProcessSame(track,friendTrack,event);
571 if (friendTrack) ProcessAlignITS(track,friendTrack,event,esdFriend);
572 if (friendTrack) ProcessAlignTRD(track,friendTrack);
573 if (friendTrack) ProcessAlignTOF(track,friendTrack);
574 TObject *calibObject;
575 AliTPCseed *seed = 0;
576 for (Int_t l=0;(calibObject=friendTrack->GetCalibObject(l));++l) if ((seed=dynamic_cast<AliTPCseed*>(calibObject))) break;
578 tpcSeeds.AddAt(seed,i);
580 for (Int_t irow=159;irow>0;irow--) {
581 AliTPCclusterMI *cl=seed->GetClusterPointer(irow);
583 if ((cl->GetDetector()%36)<18) nA++;
584 if ((cl->GetDetector()%36)>=18) nC++;
590 if (ntracks<2) return;
595 for (Int_t i=0;i<ntracks;++i) {
596 AliESDtrack *track0 = event->GetTrack(i);
597 // track0 - choosen upper part
598 if (!track0) continue;
599 if (!track0->GetOuterParam()) continue;
600 if (track0->GetOuterParam()->GetAlpha()<0) continue;
602 track0->GetDirection(d1);
603 for (Int_t j=0;j<ntracks;++j) {
605 AliESDtrack *track1 = event->GetTrack(j);
607 if (!track1) continue;
608 if (!track1->GetOuterParam()) continue;
609 if (track0->GetTPCNcls()+ track1->GetTPCNcls()< kMinClusters) continue;
610 Int_t nAC = TMath::Max( TMath::Min(clusterSideA[i], clusterSideC[j]),
611 TMath::Min(clusterSideC[i], clusterSideA[j]));
612 if (nAC<kMinClustersCross) continue;
613 Int_t nA0=clusterSideA[i];
614 Int_t nC0=clusterSideC[i];
615 Int_t nA1=clusterSideA[j];
616 Int_t nC1=clusterSideC[j];
617 // if (track1->GetOuterParam()->GetAlpha()>0) continue;
620 track1->GetDirection(d2);
622 AliTPCseed * seed0 = (AliTPCseed*) tpcSeeds.At(i);
623 AliTPCseed * seed1 = (AliTPCseed*) tpcSeeds.At(j);
624 if (! seed0) continue;
625 if (! seed1) continue;
626 Float_t dir = (d1[0]*d2[0] + d1[1]*d2[1] + d1[2]*d2[2]);
627 Float_t dist0 = track0->GetLinearD(0,0);
628 Float_t dist1 = track1->GetLinearD(0,0);
630 // conservative cuts - convergence to be guarantied
631 // applying before track propagation
632 if (TMath::Abs(TMath::Abs(dist0)-TMath::Abs(dist1))>fCutMaxD) continue; // distance to the 0,0
633 if (TMath::Abs(dir)<TMath::Abs(fCutMinDir)) continue; // direction vector product
634 Float_t bz = AliTracker::GetBz();
635 Float_t dvertex0[2]; //distance to 0,0
636 Float_t dvertex1[2]; //distance to 0,0
637 track0->GetDZ(0,0,0,bz,dvertex0);
638 track1->GetDZ(0,0,0,bz,dvertex1);
639 if (TMath::Abs(dvertex0[1])>250) continue;
640 if (TMath::Abs(dvertex1[1])>250) continue;
644 Float_t dmax = TMath::Max(TMath::Abs(dist0),TMath::Abs(dist1));
645 AliExternalTrackParam param0(*track0);
646 AliExternalTrackParam param1(*track1);
648 // Propagate using Magnetic field and correct fo material budget
650 AliTracker::PropagateTrackTo(¶m0,dmax+1,0.0005,3,kTRUE);
651 AliTracker::PropagateTrackTo(¶m1,dmax+1,0.0005,3,kTRUE);
653 // Propagate rest to the 0,0 DCA - z should be ignored
656 param0.PropagateToDCA(&vtx,bz,1000);
658 param1.PropagateToDCA(&vtx,bz,1000);
659 param0.GetDZ(0,0,0,bz,dvertex0);
660 param1.GetDZ(0,0,0,bz,dvertex1);
665 Bool_t isPair = IsPair(¶m0,¶m1);
666 Bool_t isCross = IsCross(track0, track1);
667 Bool_t isSame = IsSame(track0, track1);
669 THnSparse* hist=new THnSparseF("","HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
670 TString shortName=hist->ClassName();
671 shortName+="_MEAN_VDRIFT_COSMICS_";
675 if((isSame) || (isCross && isPair)){
676 if (track0->GetTPCNcls()+ track1->GetTPCNcls()> 80) {
677 fDz = param0.GetZ() - param1.GetZ();
678 Double_t sign=(nA0>nA1)? 1:-1;
680 TTimeStamp tstamp(fTime);
681 Double_t ptrelative0 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,0);
682 Double_t ptrelative1 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,1);
683 Double_t vecDrift[4]={fTime,(ptrelative0+ptrelative1)/2.0,fDz/500.0,event->GetRunNumber()};
684 THnSparse* curHist=NULL;
688 name+=event->GetFiredTriggerClasses();
690 curHist=(THnSparseF*)fArrayDz->FindObject(name);
692 curHist=new THnSparseF(name,"HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
693 fArrayDz->AddLast(curHist);
695 // curHist=(THnSparseF*)(fMapDz->GetValue(event->GetFiredTriggerClasses()));
697 // curHist=new THnSparseF(event->GetFiredTriggerClasses(),"HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
698 // fMapDz->Add(new TObjString(event->GetFiredTriggerClasses()),curHist);
700 curHist->Fill(vecDrift);
705 curHist=(THnSparseF*)fArrayDz->FindObject(name);
707 curHist=new THnSparseF(name,"HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
708 fArrayDz->AddLast(curHist);
710 // curHist=(THnSparseF*)(fMapDz->GetValue("all"));
712 // curHist=new THnSparseF("all","HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
713 // fMapDz->Add(new TObjString("all"),curHist);
715 curHist->Fill(vecDrift);
718 TTreeSRedirector *cstream = GetDebugStreamer();
721 (*cstream)<<"trackInfo"<<
732 "isCross="<<isCross<<
740 } // end 2nd order loop
741 } // end 1st order loop
744 TTreeSRedirector *cstream = GetDebugStreamer();
746 TTimeStamp tstamp(fTime);
747 Float_t valuePressure0 = AliTPCcalibDB::GetPressure(tstamp,fRun,0);
748 Float_t valuePressure1 = AliTPCcalibDB::GetPressure(tstamp,fRun,1);
749 Double_t ptrelative0 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,0);
750 Double_t ptrelative1 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,1);
751 Double_t temp0 = AliTPCcalibDB::GetTemperature(tstamp,fRun,0);
752 Double_t temp1 = AliTPCcalibDB::GetTemperature(tstamp,fRun,1);
753 Double_t vdcorr = AliTPCcalibDB::Instance()->GetVDriftCorrectionTime(tstamp,fRun,0,1);
754 TVectorD vecGoofie(20);
755 AliDCSSensorArray* goofieArray = AliTPCcalibDB::Instance()->GetGoofieSensors(fRun);
757 for (Int_t isensor=0; isensor<goofieArray->NumSensors();isensor++){
758 AliDCSSensor *gsensor = goofieArray->GetSensor(isensor);
759 if (gsensor) vecGoofie[isensor]=gsensor->GetValue(tstamp);
762 (*cstream)<<"timeInfo"<<
763 "run="<<fRun<< // run number
764 "event="<<fEvent<< // event number
765 "time="<<fTime<< // time stamp of event
766 "trigger="<<fTrigger<< // trigger
767 "mag="<<fMagF<< // magnetic field
768 // Environment values
769 "press0="<<valuePressure0<<
770 "press1="<<valuePressure1<<
771 "pt0="<<ptrelative0<<
772 "pt1="<<ptrelative1<<
775 "vecGoofie.=<<"<<&vecGoofie<<
778 // accumulated values
780 "fDz="<<fDz<< //! current delta z
781 "trigger="<<event->GetFiredTriggerClasses()<<
785 if (GetDebugLevel()>20) printf("Trigger: %s\n",event->GetFiredTriggerClasses().Data());
788 void AliTPCcalibTime::ProcessBeam(const AliESDEvent *const /*event*/){
790 // Not special treatment yet - the same for cosmic and physic event
794 void AliTPCcalibTime::Analyze(){
796 // Special macro to analyze result of calibration and extract calibration entries
797 // Not yet ported to the Analyze function yet
801 THnSparse* AliTPCcalibTime::GetHistoDrift(const char* name) const
804 // Get histogram for given trigger mask
806 TIterator* iterator = fArrayDz->MakeIterator();
808 TString newName=name;
810 THnSparse* newHist=new THnSparseF(newName,"HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
811 THnSparse* addHist=NULL;
812 while((addHist=(THnSparseF*)iterator->Next())){
813 if(!addHist) continue;
814 TString histName=addHist->GetName();
815 if(!histName.Contains(newName)) continue;
817 newHist->Add(addHist);
822 TObjArray* AliTPCcalibTime::GetHistoDrift() const
825 // return array of histograms
830 TGraphErrors* AliTPCcalibTime::GetGraphDrift(const char* name){
832 // Make a drift velocity (delta Z) graph
834 THnSparse* histoDrift=GetHistoDrift(name);
835 TGraphErrors* graphDrift=NULL;
837 graphDrift=FitSlices(histoDrift,2,0,400,100,0.05,0.95, kTRUE);
838 TString end=histoDrift->GetName();
839 Int_t pos=end.Index("_");
840 end=end(pos,end.Capacity()-pos);
841 TString graphName=graphDrift->ClassName();
844 graphDrift->SetName(graphName);
849 TObjArray* AliTPCcalibTime::GetGraphDrift(){
851 // make a array of drift graphs
853 TObjArray* arrayGraphDrift=new TObjArray();
854 TIterator* iterator=fArrayDz->MakeIterator();
856 THnSparse* addHist=NULL;
857 while((addHist=(THnSparseF*)iterator->Next())) arrayGraphDrift->AddLast(GetGraphDrift(addHist->GetName()));
858 return arrayGraphDrift;
861 AliSplineFit* AliTPCcalibTime::GetFitDrift(const char* name){
863 // Make a fit AliSplinefit of drift velocity
865 TGraph* graphDrift=GetGraphDrift(name);
866 AliSplineFit* fitDrift=NULL;
867 if(graphDrift && graphDrift->GetN()){
868 fitDrift=new AliSplineFit();
869 fitDrift->SetGraph(graphDrift);
870 fitDrift->SetMinPoints(graphDrift->GetN()+1);
871 fitDrift->InitKnots(graphDrift,2,0,0.001);
872 fitDrift->SplineFit(0);
873 TString end=graphDrift->GetName();
874 Int_t pos=end.Index("_");
875 end=end(pos,end.Capacity()-pos);
876 TString fitName=fitDrift->ClassName();
879 //fitDrift->SetName(fitName);
887 Long64_t AliTPCcalibTime::Merge(TCollection *const li) {
889 // Object specific merging procedure
891 TIterator* iter = li->MakeIterator();
892 AliTPCcalibTime* cal = 0;
894 while ((cal = (AliTPCcalibTime*)iter->Next())) {
895 if (!cal->InheritsFrom(AliTPCcalibTime::Class())) {
896 Error("Merge","Attempt to add object of class %s to a %s", cal->ClassName(), this->ClassName());
899 for (Int_t imeas=0; imeas<3; imeas++){
900 if (cal->GetHistVdriftLaserA(imeas) && cal->GetHistVdriftLaserA(imeas)){
901 fHistVdriftLaserA[imeas]->Add(cal->GetHistVdriftLaserA(imeas));
902 fHistVdriftLaserC[imeas]->Add(cal->GetHistVdriftLaserC(imeas));
905 TObjArray* addArray=cal->GetHistoDrift();
906 if(!addArray) return 0;
907 TIterator* iterator = addArray->MakeIterator();
909 THnSparse* addHist=NULL;
910 while((addHist=(THnSparseF*)iterator->Next())){
911 if(!addHist) continue;
913 THnSparse* localHist=(THnSparseF*)fArrayDz->FindObject(addHist->GetName());
915 localHist=new THnSparseF(addHist->GetName(),"HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
916 fArrayDz->AddLast(localHist);
918 localHist->Add(addHist);
921 for(Int_t i=0;i<10;i++) if (cal->GetCosmiMatchingHisto(i)) fCosmiMatchingHisto[i]->Add(cal->GetCosmiMatchingHisto(i));
925 for (Int_t itype=0; itype<3; itype++){
930 if (itype==0) {arr0=fAlignITSTPC; arr1=cal->fAlignITSTPC;}
931 if (itype==1) {arr0=fAlignTRDTPC; arr1=cal->fAlignTRDTPC;}
932 if (itype==2) {arr0=fAlignTOFTPC; arr1=cal->fAlignTOFTPC;}
934 if (!arr0) arr0=new TObjArray(arr1->GetEntriesFast());
935 if (arr1->GetEntriesFast()>arr0->GetEntriesFast()){
936 arr0->Expand(arr1->GetEntriesFast());
938 for (Int_t i=0;i<arr1->GetEntriesFast(); i++){
939 AliRelAlignerKalman *kalman1 = (AliRelAlignerKalman *)arr1->UncheckedAt(i);
940 AliRelAlignerKalman *kalman0 = (AliRelAlignerKalman *)arr0->UncheckedAt(i);
941 if (!kalman1) continue;
942 if (!kalman0) {arr0->AddAt(new AliRelAlignerKalman(*kalman1),i); continue;}
943 kalman0->SetRejectOutliers(kFALSE);
944 kalman0->Merge(kalman1);
952 Bool_t AliTPCcalibTime::IsPair(AliExternalTrackParam *tr0, AliExternalTrackParam *tr1){
954 // 0. Same direction - OPOSITE - cutDir +cutT
955 TCut cutDir("cutDir","dir<-0.99")
957 TCut cutT("cutT","abs(Tr1.fP[3]+Tr0.fP[3])<0.03")
960 TCut cutD("cutD","abs(Tr0.fP[0]+Tr1.fP[0])<5")
962 TCut cutPt("cutPt","abs(Tr1.fP[4]+Tr0.fP[4])<1&&abs(Tr0.fP[4])+abs(Tr1.fP[4])<10");
965 const Double_t *p0 = tr0->GetParameter();
966 const Double_t *p1 = tr1->GetParameter();
967 fCosmiMatchingHisto[0]->Fill(p0[0]+p1[0]);
968 fCosmiMatchingHisto[1]->Fill(p0[1]-p1[1]);
969 fCosmiMatchingHisto[2]->Fill(tr1->GetAlpha()-tr0->GetAlpha()+TMath::Pi());
970 fCosmiMatchingHisto[3]->Fill(p0[3]+p1[3]);
971 fCosmiMatchingHisto[4]->Fill(p0[4]+p1[4]);
973 if (TMath::Abs(p0[3]+p1[3])>fCutTheta) return kFALSE;
974 if (TMath::Abs(p0[0]+p1[0])>fCutMaxD) return kFALSE;
975 if (TMath::Abs(p0[1]-p1[1])>fCutMaxDz) return kFALSE;
976 Double_t d0[3], d1[3];
977 tr0->GetDirection(d0);
978 tr1->GetDirection(d1);
979 if (d0[0]*d1[0] + d0[1]*d1[1] + d0[2]*d1[2] >fCutMinDir) return kFALSE;
981 fCosmiMatchingHisto[5]->Fill(p0[0]+p1[0]);
982 fCosmiMatchingHisto[6]->Fill(p0[1]-p1[1]);
983 fCosmiMatchingHisto[7]->Fill(tr1->GetAlpha()-tr0->GetAlpha()+TMath::Pi());
984 fCosmiMatchingHisto[8]->Fill(p0[3]+p1[3]);
985 fCosmiMatchingHisto[9]->Fill(p0[4]+p1[4]);
989 Bool_t AliTPCcalibTime::IsCross(AliESDtrack *const tr0, AliESDtrack *const tr1){
991 // check if the cosmic pair of tracks crossed A/C side
993 Bool_t result= tr0->GetOuterParam()->GetZ()*tr1->GetOuterParam()->GetZ()<0;
994 if (result==kFALSE) return result;
999 Bool_t AliTPCcalibTime::IsSame(AliESDtrack *const tr0, AliESDtrack *const tr1){
1001 // track crossing the CE
1002 // 0. minimal number of clusters
1003 // 1. Same sector +-1
1004 // 2. Inner and outer track param on opposite side
1005 // 3. Outer and inner track parameter close each to other
1007 Bool_t result=kTRUE;
1009 // inner and outer on opposite sides in z
1011 const Int_t knclCut0 = 30;
1012 const Double_t kalphaCut = 0.4;
1014 // 0. minimal number of clusters
1016 if (tr0->GetTPCNcls()<knclCut0) return kFALSE;
1017 if (tr1->GetTPCNcls()<knclCut0) return kFALSE;
1019 // 1. alpha cut - sector+-1
1021 if (TMath::Abs(tr0->GetOuterParam()->GetAlpha()-tr1->GetOuterParam()->GetAlpha())>kalphaCut) return kFALSE;
1025 if (tr0->GetOuterParam()->GetZ()*tr0->GetInnerParam()->GetZ()>0) result&=kFALSE;
1026 if (tr1->GetOuterParam()->GetZ()*tr1->GetInnerParam()->GetZ()>0) result&=kFALSE;
1027 if (result==kFALSE){
1032 const Double_t *p0I = tr0->GetInnerParam()->GetParameter();
1033 const Double_t *p1I = tr1->GetInnerParam()->GetParameter();
1034 const Double_t *p0O = tr0->GetOuterParam()->GetParameter();
1035 const Double_t *p1O = tr1->GetOuterParam()->GetParameter();
1037 if (TMath::Abs(p0I[0]-p1I[0])>fCutMaxD) result&=kFALSE;
1038 if (TMath::Abs(p0I[1]-p1I[1])>fCutMaxDz) result&=kFALSE;
1039 if (TMath::Abs(p0I[2]-p1I[2])>fCutTheta) result&=kFALSE;
1040 if (TMath::Abs(p0I[3]-p1I[3])>fCutTheta) result&=kFALSE;
1041 if (TMath::Abs(p0O[0]-p1O[0])>fCutMaxD) result&=kFALSE;
1042 if (TMath::Abs(p0O[1]-p1O[1])>fCutMaxDz) result&=kFALSE;
1043 if (TMath::Abs(p0O[2]-p1O[2])>fCutTheta) result&=kFALSE;
1044 if (TMath::Abs(p0O[3]-p1O[3])>fCutTheta) result&=kFALSE;
1046 result=kTRUE; // just to put break point here
1052 void AliTPCcalibTime::ProcessSame(AliESDtrack *const track, AliESDfriendTrack *const friendTrack, const AliESDEvent *const event){
1054 // Process TPC tracks crossing CE
1056 // 0. Select only track crossing the CE
1057 // 1. Cut on the track length
1058 // 2. Refit the terack on A and C side separatelly
1059 // 3. Fill time histograms
1060 const Int_t kMinNcl=100;
1061 const Int_t kMinNclS=25; // minimul number of clusters on the sides
1062 if (!friendTrack->GetTPCOut()) return;
1064 // 0. Select only track crossing the CE
1066 if (track->GetInnerParam()->GetZ()*friendTrack->GetTPCOut()->GetZ()>0) return;
1068 // 1. cut on track length
1070 if (track->GetTPCNcls()<kMinNcl) return;
1072 // 2. Refit track sepparatel on A and C side
1074 TObject *calibObject;
1075 AliTPCseed *seed = 0;
1076 for (Int_t l=0;(calibObject=friendTrack->GetCalibObject(l));++l) {
1077 if ((seed=dynamic_cast<AliTPCseed*>(calibObject))) break;
1081 AliExternalTrackParam trackIn(*track->GetInnerParam());
1082 AliExternalTrackParam trackOut(*track->GetOuterParam());
1083 Double_t cov[3]={0.01,0.,0.01}; //use the same errors
1084 Double_t xyz[3]={0,0.,0.0};
1086 Int_t nclIn=0,nclOut=0;
1087 trackIn.ResetCovariance(30.);
1088 trackOut.ResetCovariance(30.);
1092 for (Int_t irow=0;irow<159;irow++) {
1093 AliTPCclusterMI *cl=seed->GetClusterPointer(irow);
1095 if (cl->GetX()<80) continue;
1096 if (track->GetInnerParam()->GetZ()<0 &&(cl->GetDetector()%36)<18) break;
1097 if (track->GetInnerParam()->GetZ()>0 &&(cl->GetDetector()%36)>=18) break;
1098 Int_t sector = cl->GetDetector();
1099 Float_t dalpha = TMath::DegToRad()*(sector%18*20.+10.)-trackIn.GetAlpha();
1100 if (TMath::Abs(dalpha)>0.01){
1101 if (!trackIn.Rotate(TMath::DegToRad()*(sector%18*20.+10.))) break;
1103 Double_t r[3]={cl->GetX(),cl->GetY(),cl->GetZ()};
1104 trackIn.GetXYZ(xyz);
1105 bz = AliTracker::GetBz(xyz);
1106 if (!trackIn.PropagateTo(r[0],bz)) break;
1108 trackIn.Update(&r[1],cov);
1113 for (Int_t irow=159;irow>0;irow--) {
1114 AliTPCclusterMI *cl=seed->GetClusterPointer(irow);
1116 if (cl->GetX()<80) continue;
1117 if (cl->GetZ()*track->GetOuterParam()->GetZ()<0) break;
1118 if (friendTrack->GetTPCOut()->GetZ()<0 &&(cl->GetDetector()%36)<18) break;
1119 if (friendTrack->GetTPCOut()->GetZ()>0 &&(cl->GetDetector()%36)>=18) break;
1120 Int_t sector = cl->GetDetector();
1121 Float_t dalpha = TMath::DegToRad()*(sector%18*20.+10.)-trackOut.GetAlpha();
1122 if (TMath::Abs(dalpha)>0.01){
1123 if (!trackOut.Rotate(TMath::DegToRad()*(sector%18*20.+10.))) break;
1125 Double_t r[3]={cl->GetX(),cl->GetY(),cl->GetZ()};
1126 trackOut.GetXYZ(xyz);
1127 bz = AliTracker::GetBz(xyz);
1128 if (!trackOut.PropagateTo(r[0],bz)) break;
1130 trackOut.Update(&r[1],cov);
1132 trackOut.Rotate(trackIn.GetAlpha());
1133 Double_t meanX = (trackIn.GetX()+trackOut.GetX())*0.5;
1134 trackIn.PropagateTo(meanX,bz);
1135 trackOut.PropagateTo(meanX,bz);
1136 TTreeSRedirector *cstream = GetDebugStreamer();
1139 trackIn.GetXYZ(gxyz.GetMatrixArray());
1140 TTimeStamp tstamp(fTime);
1141 Double_t ptrelative0 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,0);
1142 Double_t ptrelative1 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,1);
1143 Double_t vdcorr = AliTPCcalibDB::Instance()->GetVDriftCorrectionTime(tstamp,fRun,0,1);
1144 (*cstream)<<"tpctpc"<<
1145 "run="<<fRun<< // run number
1146 "event="<<fEvent<< // event number
1147 "time="<<fTime<< // time stamp of event
1148 "trigger="<<fTrigger<< // trigger
1149 "mag="<<fMagF<< // magnetic field
1150 "ptrel0.="<<ptrelative0<<
1151 "ptrel1.="<<ptrelative1<<
1152 "vdcorr="<<vdcorr<< // drift correction applied
1154 "xyz.="<<&gxyz<< // global position
1155 "tIn.="<<&trackIn<< // refitterd track in
1156 "tOut.="<<&trackOut<< // refitter track out
1157 "nclIn="<<nclIn<< //
1158 "nclOut="<<nclOut<< //
1162 // 3. Fill time histograms
1163 // Debug stremaer expression
1164 // chainTPCTPC->Draw("(tIn.fP[1]-tOut.fP[1])*sign(-tIn.fP[3]):tIn.fP[3]","min(nclIn,nclOut)>30","")
1165 if (TMath::Min(nclIn,nclOut)>kMinNclS){
1166 fDz = trackOut.GetZ()-trackIn.GetZ();
1167 if (trackOut.GetTgl()<0) fDz*=-1.;
1168 TTimeStamp tstamp(fTime);
1169 Double_t ptrelative0 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,0);
1170 Double_t ptrelative1 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,1);
1171 Double_t vecDrift[4]={fTime,(ptrelative0+ptrelative1)/2.0,fDz/500.0,event->GetRunNumber()};
1173 // fill histograms per trigger class and itegrated
1175 THnSparse* curHist=NULL;
1176 for (Int_t itype=0; itype<2; itype++){
1177 TString name="MEAN_VDRIFT_CROSS_";
1179 name+=event->GetFiredTriggerClasses();
1184 curHist=(THnSparseF*)fArrayDz->FindObject(name);
1186 curHist=new THnSparseF(name,"HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
1187 fArrayDz->AddLast(curHist);
1189 curHist->Fill(vecDrift);
1195 void AliTPCcalibTime::ProcessAlignITS(AliESDtrack *const track, AliESDfriendTrack *const friendTrack, const AliESDEvent *const event, AliESDfriend *const esdFriend){
1197 // Process track - Update TPC-ITS alignment
1199 // 0. Apply standartd cuts
1200 // 1. Recalucluate the current statistic median/RMS
1201 // 2. Apply median+-rms cut
1202 // 3. Update kalman filter
1204 const Int_t kMinTPC = 80; // minimal number of TPC cluster
1205 const Int_t kMinITS = 3; // minimal number of ITS cluster
1206 const Double_t kMinZ = 10; // maximal dz distance
1207 const Double_t kMaxDy = 2.; // maximal dy distance
1208 const Double_t kMaxAngle= 0.015; // maximal angular distance
1209 const Double_t kSigmaCut= 5; // maximal sigma distance to median
1210 const Double_t kVdErr = 0.1; // initial uncertainty of the vd correction
1211 const Double_t kVdYErr = 0.05; // initial uncertainty of the vd correction
1212 const Double_t kOutCut = 1.0; // outlyer cut in AliRelAlgnmentKalman
1213 const Double_t kMinPt = 0.3; // minimal pt
1214 const Int_t kN=500; // deepnes of history
1215 static Int_t kglast=0;
1216 static Double_t* kgdP[4]={new Double_t[kN], new Double_t[kN], new Double_t[kN], new Double_t[kN]};
1219 TCut cut="abs(pTPC.fP[2]-pITS.fP[2])<0.01&&abs(pTPC.fP[3]-pITS.fP[3])<0.01&&abs(pTPC.fP[2]-pITS.fP[2])<1";
1222 // 0. Apply standard cuts
1224 Int_t dummycl[1000];
1225 if (track->GetTPCNcls()<kMinTPC) return; // minimal amount of clusters cut
1226 if (track->GetITSclusters(dummycl)<kMinITS) return; // minimal amount of clusters
1227 if (!track->IsOn(AliESDtrack::kTPCrefit)) return;
1228 if (!friendTrack->GetITSOut()) return;
1229 if (!track->GetInnerParam()) return;
1230 if (!track->GetOuterParam()) return;
1231 if (track->GetInnerParam()->Pt()<kMinPt) return;
1232 // exclude crossing track
1233 if (track->GetOuterParam()->GetZ()*track->GetInnerParam()->GetZ()<0) return;
1234 if (TMath::Abs(track->GetInnerParam()->GetZ())<kMinZ) return;
1235 if (track->GetInnerParam()->GetX()>90) return;
1237 AliExternalTrackParam &pTPC=(AliExternalTrackParam &)(*(track->GetInnerParam()));
1238 AliExternalTrackParam pITS(*(friendTrack->GetITSOut())); // ITS standalone if possible
1239 AliExternalTrackParam pITS2(*(friendTrack->GetITSOut())); //TPC-ITS track
1240 pITS2.Rotate(pTPC.GetAlpha());
1241 pITS2.PropagateTo(pTPC.GetX(),fMagF);
1242 AliESDfriendTrack *itsfriendTrack=0;
1244 // try to find standalone ITS track corresponing to the TPC if possible
1246 Bool_t hasAlone=kFALSE;
1247 Int_t ntracks=event->GetNumberOfTracks();
1248 for (Int_t i=0; i<ntracks; i++){
1249 AliESDtrack *trackS = event->GetTrack(i);
1250 if (trackS->GetTPCNcls()>0) continue; //continue if has TPC info
1251 itsfriendTrack = esdFriend->GetTrack(i);
1252 if (!itsfriendTrack) continue;
1253 if (!itsfriendTrack->GetITSOut()) continue;
1254 if (TMath::Abs(pITS2.GetTgl()-itsfriendTrack->GetITSOut()->GetTgl())> kMaxAngle) continue;
1255 pITS=(*(itsfriendTrack->GetITSOut()));
1257 pITS.Rotate(pTPC.GetAlpha());
1258 pITS.PropagateTo(pTPC.GetX(),fMagF);
1259 if (TMath::Abs(pITS2.GetY()-pITS.GetY())> kMaxDy) continue;
1262 if (!hasAlone) pITS=pITS2;
1264 if (TMath::Abs(pITS.GetY()-pTPC.GetY()) >kMaxDy) return;
1265 if (TMath::Abs(pITS.GetSnp()-pTPC.GetSnp())>kMaxAngle) return;
1266 if (TMath::Abs(pITS.GetTgl()-pTPC.GetTgl())>kMaxAngle) return;
1268 // 1. Update median and RMS info
1270 TVectorD vecDelta(4),vecMedian(4), vecRMS(4);
1271 TVectorD vecDeltaN(5);
1272 Double_t sign=(pITS.GetParameter()[1]>0)? 1.:-1.;
1274 for (Int_t i=0;i<4;i++){
1275 vecDelta[i]=(pITS.GetParameter()[i]-pTPC.GetParameter()[i])*sign;
1276 kgdP[i][kglast%kN]=vecDelta[i];
1279 Int_t entries=(kglast<kN)?kglast:kN;
1280 for (Int_t i=0;i<4;i++){
1281 vecMedian[i] = TMath::Median(entries,kgdP[i]);
1282 vecRMS[i] = TMath::RMS(entries,kgdP[i]);
1285 vecDeltaN[i] = (vecDelta[i]-vecMedian[i])/vecRMS[i];
1286 vecDeltaN[4]+= TMath::Abs(vecDeltaN[i]); //sum of abs residuals
1290 // 2. Apply median+-rms cut
1292 if (kglast<3) return; //median and RMS to be defined
1293 if ( vecDeltaN[4]/4.>kSigmaCut) return;
1295 // 3. Update alignment
1297 Int_t htime = fTime/3600; //time in hours
1298 if (fAlignITSTPC->GetEntries()<htime){
1299 fAlignITSTPC->Expand(htime*2+20);
1301 AliRelAlignerKalman* align = (AliRelAlignerKalman*)fAlignITSTPC->At(htime);
1303 // make Alignment object if doesn't exist
1304 align=new AliRelAlignerKalman();
1305 align->SetRunNumber(fRun);
1306 (*align->GetStateCov())(6,6)=kVdErr*kVdErr;
1307 (*align->GetStateCov())(8,8)=kVdYErr*kVdYErr;
1308 align->SetOutRejSigma(kOutCut+kOutCut*kN);
1309 align->SetRejectOutliers(kFALSE);
1311 align->SetTPCvd(AliTPCcalibDB::Instance()->GetParameters()->GetDriftV()/1000000.);
1312 align->SetMagField(fMagF);
1313 fAlignITSTPC->AddAt(align,htime);
1315 align->AddTrackParams(&pITS,&pTPC);
1316 align->SetTimeStamp(fTime);
1317 align->SetRunNumber(fRun );
1318 Float_t dca[2],cov[3];
1319 track->GetImpactParameters(dca,cov);
1320 if (TMath::Abs(dca[0])<kMaxDy&&TMath::Abs(dca[0])<kMaxDy){
1321 FillResHistoTPCITS(&pTPC,&pITS);
1322 FillResHistoTPC(track);
1325 Int_t nupdates=align->GetNUpdates();
1326 align->SetOutRejSigma(kOutCut+kOutCut*kN/Double_t(nupdates));
1327 align->SetRejectOutliers(kFALSE);
1328 TTreeSRedirector *cstream = GetDebugStreamer();
1329 if (cstream && align->GetState() && align->GetState()->GetNrows()>2 ){
1330 TTimeStamp tstamp(fTime);
1331 Float_t valuePressure0 = AliTPCcalibDB::GetPressure(tstamp,fRun,0);
1332 Float_t valuePressure1 = AliTPCcalibDB::GetPressure(tstamp,fRun,1);
1333 Double_t ptrelative0 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,0);
1334 Double_t ptrelative1 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,1);
1335 Double_t temp0 = AliTPCcalibDB::GetTemperature(tstamp,fRun,0);
1336 Double_t temp1 = AliTPCcalibDB::GetTemperature(tstamp,fRun,1);
1337 TVectorD vecGoofie(20);
1338 AliDCSSensorArray* goofieArray = AliTPCcalibDB::Instance()->GetGoofieSensors(fRun);
1340 for (Int_t isensor=0; isensor<goofieArray->NumSensors();isensor++){
1341 AliDCSSensor *gsensor = goofieArray->GetSensor(isensor);
1342 if (gsensor) vecGoofie[isensor]=gsensor->GetValue(tstamp);
1345 TVectorD gpTPC(3), gdTPC(3);
1346 TVectorD gpITS(3), gdITS(3);
1347 pTPC.GetXYZ(gpTPC.GetMatrixArray());
1348 pTPC.GetDirection(gdTPC.GetMatrixArray());
1349 pITS.GetXYZ(gpITS.GetMatrixArray());
1350 pITS.GetDirection(gdITS.GetMatrixArray());
1351 Double_t vdcorr = AliTPCcalibDB::Instance()->GetVDriftCorrectionTime(tstamp,fRun,0,1);
1352 (*cstream)<<"itstpc"<<
1353 "run="<<fRun<< // run number
1354 "event="<<fEvent<< // event number
1355 "time="<<fTime<< // time stamp of event
1356 "trigger="<<fTrigger<< // trigger
1357 "mag="<<fMagF<< // magnetic field
1358 // Environment values
1359 "press0="<<valuePressure0<<
1360 "press1="<<valuePressure1<<
1361 "pt0="<<ptrelative0<<
1362 "pt1="<<ptrelative1<<
1365 "vecGoofie.="<<&vecGoofie<<
1366 "vdcorr="<<vdcorr<< // drift correction applied
1368 "hasAlone="<<hasAlone<< // has ITS standalone ?
1369 "track.="<<track<< // track info
1370 "nmed="<<kglast<< // number of entries to define median and RMS
1371 "vMed.="<<&vecMedian<< // median of deltas
1372 "vRMS.="<<&vecRMS<< // rms of deltas
1373 "vDelta.="<<&vecDelta<< // delta in respect to median
1374 "vDeltaN.="<<&vecDeltaN<< // normalized delta in respect to median
1375 "t.="<<track<< // ful track - find proper cuts
1376 "a.="<<align<< // current alignment
1377 "pITS.="<<&pITS<< // track param ITS
1378 "pITS2.="<<&pITS2<< // track param ITS+TPC
1379 "pTPC.="<<&pTPC<< // track param TPC
1380 "gpTPC.="<<&gpTPC<< // global position TPC
1381 "gdTPC.="<<&gdTPC<< // global direction TPC
1382 "gpITS.="<<&gpITS<< // global position ITS
1383 "gdITS.="<<&gdITS<< // global position ITS
1391 void AliTPCcalibTime::ProcessAlignTRD(AliESDtrack *const track, AliESDfriendTrack *const friendTrack){
1393 // Process track - Update TPC-TRD alignment
1395 // 0. Apply standartd cuts
1396 // 1. Recalucluate the current statistic median/RMS
1397 // 2. Apply median+-rms cut
1398 // 3. Update kalman filter
1400 const Int_t kMinTPC = 80; // minimal number of TPC cluster
1401 const Int_t kMinTRD = 50; // minimal number of TRD cluster
1402 const Double_t kMinZ = 20; // maximal dz distance
1403 const Double_t kMaxDy = 2.; // maximal dy distance
1404 const Double_t kMaxAngle= 0.015; // maximal angular distance
1405 const Double_t kSigmaCut= 5; // maximal sigma distance to median
1406 const Double_t kVdErr = 0.1; // initial uncertainty of the vd correction
1407 const Double_t kVdYErr = 0.05; // initial uncertainty of the vd correction
1408 const Double_t kOutCut = 1.0; // outlyer cut in AliRelAlgnmentKalman
1409 const Int_t kN=500; // deepnes of history
1410 static Int_t kglast=0;
1411 static Double_t* kgdP[4]={new Double_t[kN], new Double_t[kN], new Double_t[kN], new Double_t[kN]};
1413 // 0. Apply standard cuts
1415 Int_t dummycl[1000];
1416 if (track->GetTRDclusters(dummycl)<kMinTRD) return; // minimal amount of clusters
1417 if (track->GetTPCNcls()<kMinTPC) return; // minimal amount of clusters cut
1418 if (!friendTrack->GetTRDIn()) return;
1419 if (!track->GetInnerParam()) return;
1420 if (!track->GetOuterParam()) return;
1421 // exclude crossing track
1422 if (track->GetOuterParam()->GetZ()*track->GetInnerParam()->GetZ()<0) return;
1423 if (TMath::Abs(track->GetInnerParam()->GetZ())<kMinZ) return;
1425 AliExternalTrackParam &pTPC=(AliExternalTrackParam &)(*(track->GetOuterParam()));
1426 AliExternalTrackParam pTRD(*(friendTrack->GetTRDIn()));
1427 pTRD.Rotate(pTPC.GetAlpha());
1428 pTRD.PropagateTo(pTPC.GetX(),fMagF);
1429 ((Double_t*)pTRD.GetCovariance())[2]+=3.*3.; // increas sys errors
1430 ((Double_t*)pTRD.GetCovariance())[9]+=0.1*0.1; // increse sys errors
1432 if (TMath::Abs(pTRD.GetY()-pTPC.GetY()) >kMaxDy) return;
1433 if (TMath::Abs(pTRD.GetSnp()-pTPC.GetSnp())>kMaxAngle) return;
1434 if (TMath::Abs(pTRD.GetTgl()-pTPC.GetTgl())>kMaxAngle) return;
1436 // 1. Update median and RMS info
1438 TVectorD vecDelta(4),vecMedian(4), vecRMS(4);
1439 TVectorD vecDeltaN(5);
1440 Double_t sign=(pTRD.GetParameter()[1]>0)? 1.:-1.;
1442 for (Int_t i=0;i<4;i++){
1443 vecDelta[i]=(pTRD.GetParameter()[i]-pTPC.GetParameter()[i])*sign;
1444 kgdP[i][kglast%kN]=vecDelta[i];
1447 Int_t entries=(kglast<kN)?kglast:kN;
1448 for (Int_t i=0;i<4;i++){
1449 vecMedian[i] = TMath::Median(entries,kgdP[i]);
1450 vecRMS[i] = TMath::RMS(entries,kgdP[i]);
1453 vecDeltaN[i] = (vecDelta[i]-vecMedian[i])/vecRMS[i];
1454 vecDeltaN[4]+= TMath::Abs(vecDeltaN[i]); //sum of abs residuals
1458 // 2. Apply median+-rms cut
1460 if (kglast<3) return; //median and RMS to be defined
1461 if ( vecDeltaN[4]/4.>kSigmaCut) return;
1463 // 3. Update alignment
1465 Int_t htime = fTime/3600; //time in hours
1466 if (fAlignTRDTPC->GetEntries()<htime){
1467 fAlignTRDTPC->Expand(htime*2+20);
1469 AliRelAlignerKalman* align = (AliRelAlignerKalman*)fAlignTRDTPC->At(htime);
1471 // make Alignment object if doesn't exist
1472 align=new AliRelAlignerKalman();
1473 align->SetRunNumber(fRun);
1474 (*align->GetStateCov())(6,6)=kVdErr*kVdErr;
1475 (*align->GetStateCov())(8,8)=kVdYErr*kVdYErr;
1476 align->SetOutRejSigma(kOutCut+kOutCut*kN);
1477 align->SetRejectOutliers(kFALSE);
1478 align->SetTPCvd(AliTPCcalibDB::Instance()->GetParameters()->GetDriftV()/1000000.);
1479 align->SetMagField(fMagF);
1480 fAlignTRDTPC->AddAt(align,htime);
1482 align->AddTrackParams(&pTRD,&pTPC);
1483 align->SetTimeStamp(fTime);
1484 align->SetRunNumber(fRun );
1485 FillResHistoTPCITS(&pTPC,&pTRD);
1487 Int_t nupdates=align->GetNUpdates();
1488 align->SetOutRejSigma(kOutCut+kOutCut*kN/Double_t(nupdates));
1489 align->SetRejectOutliers(kFALSE);
1490 TTreeSRedirector *cstream = GetDebugStreamer();
1491 if (cstream && align->GetState() && align->GetState()->GetNrows()>2 ){
1492 TTimeStamp tstamp(fTime);
1493 Float_t valuePressure0 = AliTPCcalibDB::GetPressure(tstamp,fRun,0);
1494 Float_t valuePressure1 = AliTPCcalibDB::GetPressure(tstamp,fRun,1);
1495 Double_t ptrelative0 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,0);
1496 Double_t ptrelative1 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,1);
1497 Double_t temp0 = AliTPCcalibDB::GetTemperature(tstamp,fRun,0);
1498 Double_t temp1 = AliTPCcalibDB::GetTemperature(tstamp,fRun,1);
1499 TVectorD vecGoofie(20);
1500 AliDCSSensorArray* goofieArray = AliTPCcalibDB::Instance()->GetGoofieSensors(fRun);
1502 for (Int_t isensor=0; isensor<goofieArray->NumSensors();isensor++){
1503 AliDCSSensor *gsensor = goofieArray->GetSensor(isensor);
1504 if (gsensor) vecGoofie[isensor]=gsensor->GetValue(tstamp);
1507 TVectorD gpTPC(3), gdTPC(3);
1508 TVectorD gpTRD(3), gdTRD(3);
1509 pTPC.GetXYZ(gpTPC.GetMatrixArray());
1510 pTPC.GetDirection(gdTPC.GetMatrixArray());
1511 pTRD.GetXYZ(gpTRD.GetMatrixArray());
1512 pTRD.GetDirection(gdTRD.GetMatrixArray());
1513 Double_t vdcorr = AliTPCcalibDB::Instance()->GetVDriftCorrectionTime(tstamp,fRun,0,1);
1514 (*cstream)<<"trdtpc"<<
1515 "run="<<fRun<< // run number
1516 "event="<<fEvent<< // event number
1517 "time="<<fTime<< // time stamp of event
1518 "trigger="<<fTrigger<< // trigger
1519 "mag="<<fMagF<< // magnetic field
1520 // Environment values
1521 "press0="<<valuePressure0<<
1522 "press1="<<valuePressure1<<
1523 "pt0="<<ptrelative0<<
1524 "pt1="<<ptrelative1<<
1527 "vecGoofie.="<<&vecGoofie<<
1528 "vdcorr="<<vdcorr<< // drift correction applied
1530 "nmed="<<kglast<< // number of entries to define median and RMS
1531 "vMed.="<<&vecMedian<< // median of deltas
1532 "vRMS.="<<&vecRMS<< // rms of deltas
1533 "vDelta.="<<&vecDelta<< // delta in respect to median
1534 "vDeltaN.="<<&vecDeltaN<< // normalized delta in respect to median
1535 "t.="<<track<< // ful track - find proper cuts
1536 "a.="<<align<< // current alignment
1537 "pTRD.="<<&pTRD<< // track param TRD
1538 "pTPC.="<<&pTPC<< // track param TPC
1539 "gpTPC.="<<&gpTPC<< // global position TPC
1540 "gdTPC.="<<&gdTPC<< // global direction TPC
1541 "gpTRD.="<<&gpTRD<< // global position TRD
1542 "gdTRD.="<<&gdTRD<< // global position TRD
1548 void AliTPCcalibTime::ProcessAlignTOF(AliESDtrack *const track, AliESDfriendTrack *const friendTrack){
1551 // Process track - Update TPC-TOF alignment
1553 // -1. Make a TOF "track"
1554 // 0. Apply standartd cuts
1555 // 1. Recalucluate the current statistic median/RMS
1556 // 2. Apply median+-rms cut
1557 // 3. Update kalman filter
1559 const Int_t kMinTPC = 80; // minimal number of TPC cluster
1560 // const Double_t kMinZ = 10; // maximal dz distance
1561 const Double_t kMaxDy = 5.; // maximal dy distance
1562 const Double_t kMaxAngle= 0.015; // maximal angular distance
1563 const Double_t kSigmaCut= 5; // maximal sigma distance to median
1564 const Double_t kVdErr = 0.1; // initial uncertainty of the vd correction
1565 const Double_t kVdYErr = 0.05; // initial uncertainty of the vd correction
1567 const Double_t kOutCut = 1.0; // outlyer cut in AliRelAlgnmentKalman
1568 const Int_t kN=1000; // deepnes of history
1569 static Int_t kglast=0;
1570 static Double_t* kgdP[4]={new Double_t[kN], new Double_t[kN], new Double_t[kN], new Double_t[kN]};
1572 // -1. Make a TOF track-
1573 // Clusters are not in friends - use alingment points
1575 if (track->GetTOFsignal()<=0) return;
1576 if (!friendTrack->GetTPCOut()) return;
1577 if (!track->GetInnerParam()) return;
1578 if (!track->GetOuterParam()) return;
1579 const AliTrackPointArray *points=friendTrack->GetTrackPointArray();
1580 if (!points) return;
1581 AliExternalTrackParam pTPC(*(track->GetOuterParam()));
1582 AliExternalTrackParam pTOF(pTPC);
1583 Double_t mass = TDatabasePDG::Instance()->GetParticle("mu+")->Mass();
1584 Int_t npoints = points->GetNPoints();
1585 AliTrackPoint point;
1588 for (Int_t ipoint=0;ipoint<npoints;ipoint++){
1589 points->GetPoint(point,ipoint);
1592 Double_t r=TMath::Sqrt(xyz[0]*xyz[0]+xyz[1]*xyz[1]);
1593 if (r<350) continue;
1594 if (r>400) continue;
1595 AliTracker::PropagateTrackToBxByBz(&pTPC,r,mass,2.,kTRUE);
1596 AliTracker::PropagateTrackToBxByBz(&pTPC,r,mass,0.1,kTRUE);
1597 AliTrackPoint lpoint = point.Rotate(pTPC.GetAlpha());
1598 pTPC.PropagateTo(lpoint.GetX(),fMagF);
1600 ((Double_t*)pTOF.GetParameter())[0] =lpoint.GetY();
1601 ((Double_t*)pTOF.GetParameter())[1] =lpoint.GetZ();
1602 ((Double_t*)pTOF.GetCovariance())[0]+=3.*3./12.;
1603 ((Double_t*)pTOF.GetCovariance())[2]+=3.*3./12.;
1604 ((Double_t*)pTOF.GetCovariance())[5]+=0.1*0.1;
1605 ((Double_t*)pTOF.GetCovariance())[9]+=0.1*0.1;
1608 if (naccept==0) return; // no tof match clusters
1610 // 0. Apply standard cuts
1612 if (track->GetTPCNcls()<kMinTPC) return; // minimal amount of clusters cut
1613 // exclude crossing track
1614 if (track->GetOuterParam()->GetZ()*track->GetInnerParam()->GetZ()<0) return;
1616 if (TMath::Abs(pTOF.GetY()-pTPC.GetY()) >kMaxDy) return;
1617 if (TMath::Abs(pTOF.GetSnp()-pTPC.GetSnp())>kMaxAngle) return;
1618 if (TMath::Abs(pTOF.GetTgl()-pTPC.GetTgl())>kMaxAngle) return;
1620 // 1. Update median and RMS info
1622 TVectorD vecDelta(4),vecMedian(4), vecRMS(4);
1623 TVectorD vecDeltaN(5);
1624 Double_t sign=(pTOF.GetParameter()[1]>0)? 1.:-1.;
1626 for (Int_t i=0;i<4;i++){
1627 vecDelta[i]=(pTOF.GetParameter()[i]-pTPC.GetParameter()[i])*sign;
1628 kgdP[i][kglast%kN]=vecDelta[i];
1631 Int_t entries=(kglast<kN)?kglast:kN;
1633 for (Int_t i=0;i<4;i++){
1634 vecMedian[i] = TMath::Median(entries,kgdP[i]);
1635 vecRMS[i] = TMath::RMS(entries,kgdP[i]);
1638 vecDeltaN[i] = (vecDelta[i]-vecMedian[i])/(vecRMS[i]+1.);
1639 vecDeltaN[4]+= TMath::Abs(vecDeltaN[i]); //sum of abs residuals
1640 if (TMath::Abs(vecDeltaN[i])>kSigmaCut) isOK=kFALSE;
1644 // 2. Apply median+-rms cut
1646 if (kglast<10) return; //median and RMS to be defined
1649 // 3. Update alignment
1651 Int_t htime = fTime/3600; //time in hours
1652 if (fAlignTOFTPC->GetEntries()<htime){
1653 fAlignTOFTPC->Expand(htime*2+20);
1655 AliRelAlignerKalman* align = (AliRelAlignerKalman*)fAlignTOFTPC->At(htime);
1657 // make Alignment object if doesn't exist
1658 align=new AliRelAlignerKalman();
1659 align->SetRunNumber(fRun);
1660 (*align->GetStateCov())(6,6)=kVdErr*kVdErr;
1661 (*align->GetStateCov())(8,8)=kVdYErr*kVdYErr;
1662 align->SetOutRejSigma(kOutCut+kOutCut*kN);
1663 align->SetRejectOutliers(kFALSE);
1664 align->SetTPCvd(AliTPCcalibDB::Instance()->GetParameters()->GetDriftV()/1000000.);
1665 align->SetMagField(fMagF);
1666 fAlignTOFTPC->AddAt(align,htime);
1668 align->AddTrackParams(&pTOF,&pTPC);
1669 align->SetTimeStamp(fTime);
1670 align->SetRunNumber(fRun );
1672 Int_t nupdates=align->GetNUpdates();
1673 align->SetOutRejSigma(kOutCut+kOutCut*kN/Double_t(nupdates));
1674 align->SetRejectOutliers(kFALSE);
1675 TTreeSRedirector *cstream = GetDebugStreamer();
1676 if (cstream && align->GetState() && align->GetState()->GetNrows()>2 ){
1677 TTimeStamp tstamp(fTime);
1678 Float_t valuePressure0 = AliTPCcalibDB::GetPressure(tstamp,fRun,0);
1679 Float_t valuePressure1 = AliTPCcalibDB::GetPressure(tstamp,fRun,1);
1680 Double_t ptrelative0 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,0);
1681 Double_t ptrelative1 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,1);
1682 Double_t temp0 = AliTPCcalibDB::GetTemperature(tstamp,fRun,0);
1683 Double_t temp1 = AliTPCcalibDB::GetTemperature(tstamp,fRun,1);
1684 TVectorD vecGoofie(20);
1685 AliDCSSensorArray* goofieArray = AliTPCcalibDB::Instance()->GetGoofieSensors(fRun);
1687 for (Int_t isensor=0; isensor<goofieArray->NumSensors();isensor++){
1688 AliDCSSensor *gsensor = goofieArray->GetSensor(isensor);
1689 if (gsensor) vecGoofie[isensor]=gsensor->GetValue(tstamp);
1692 TVectorD gpTPC(3), gdTPC(3);
1693 TVectorD gpTOF(3), gdTOF(3);
1694 pTPC.GetXYZ(gpTPC.GetMatrixArray());
1695 pTPC.GetDirection(gdTPC.GetMatrixArray());
1696 pTOF.GetXYZ(gpTOF.GetMatrixArray());
1697 pTOF.GetDirection(gdTOF.GetMatrixArray());
1698 Double_t vdcorr = AliTPCcalibDB::Instance()->GetVDriftCorrectionTime(tstamp,fRun,0,1);
1699 (*cstream)<<"toftpc"<<
1700 "run="<<fRun<< // run number
1701 "event="<<fEvent<< // event number
1702 "time="<<fTime<< // time stamp of event
1703 "trigger="<<fTrigger<< // trigger
1704 "mag="<<fMagF<< // magnetic field
1705 // Environment values
1706 "press0="<<valuePressure0<<
1707 "press1="<<valuePressure1<<
1708 "pt0="<<ptrelative0<<
1709 "pt1="<<ptrelative1<<
1712 "vecGoofie.="<<&vecGoofie<<
1713 "vdcorr="<<vdcorr<< // drift correction applied
1715 "nmed="<<kglast<< // number of entries to define median and RMS
1716 "vMed.="<<&vecMedian<< // median of deltas
1717 "vRMS.="<<&vecRMS<< // rms of deltas
1718 "vDelta.="<<&vecDelta<< // delta in respect to median
1719 "vDeltaN.="<<&vecDeltaN<< // normalized delta in respect to median
1720 "t.="<<track<< // ful track - find proper cuts
1721 "a.="<<align<< // current alignment
1722 "pTOF.="<<&pTOF<< // track param TOF
1723 "pTPC.="<<&pTPC<< // track param TPC
1724 "gpTPC.="<<&gpTPC<< // global position TPC
1725 "gdTPC.="<<&gdTPC<< // global direction TPC
1726 "gpTOF.="<<&gpTOF<< // global position TOF
1727 "gdTOF.="<<&gdTOF<< // global position TOF
1733 void AliTPCcalibTime::BookDistortionMaps(){
1735 // Book ndimensional histograms of distortions/residuals
1736 // Only primary tracks are selected for analysis
1739 Double_t xminTrack[4], xmaxTrack[4];
1741 TString axisName[4];
1742 TString axisTitle[4];
1745 axisName[0] ="#Delta";
1746 axisTitle[0] ="#Delta";
1749 xminTrack[1] =-1.5; xmaxTrack[1]=1.5;
1750 axisName[1] ="tanTheta";
1751 axisTitle[1] ="tan(#Theta)";
1754 xminTrack[2] =-TMath::Pi(); xmaxTrack[2]=TMath::Pi();
1756 axisTitle[2] ="#phi";
1759 xminTrack[3] =-1.; xmaxTrack[3]=1.; // 0.33 GeV cut
1763 xminTrack[0] =-1.5; xmaxTrack[0]=1.5; //
1764 fResHistoTPCITS[0] = new THnSparseS("TPCITS#Delta_{Y} (cm)","#Delta_{Y} (cm)", 4, binsTrack,xminTrack, xmaxTrack);
1765 fResHistoTPCvertex[0] = new THnSparseS("TPCVertex#Delta_{Y} (cm)","#Delta_{Y} (cm)", 4, binsTrack,xminTrack, xmaxTrack);
1766 fResHistoTPCTRD[0] = new THnSparseS("TPCTRD#Delta_{Y} (cm)","#Delta_{Y} (cm)", 4, binsTrack,xminTrack, xmaxTrack);
1769 xminTrack[0] =-1.5; xmaxTrack[0]=1.5; //
1770 fResHistoTPCITS[1] = new THnSparseS("TPCITS#Delta_{Z} (cm)","#Delta_{Z} (cm)", 4, binsTrack,xminTrack, xmaxTrack);
1771 fResHistoTPCvertex[1] = new THnSparseS("TPCVertex#Delta_{Z} (cm)","#Delta_{Z} (cm)", 4, binsTrack,xminTrack, xmaxTrack);
1772 fResHistoTPCTRD[1] = new THnSparseS("TPCTRD#Delta_{Z} (cm)","#Delta_{Z} (cm)", 4, binsTrack,xminTrack, xmaxTrack);
1775 xminTrack[0] =-0.01; xmaxTrack[0]=0.01; //
1776 fResHistoTPCITS[2] = new THnSparseS("TPCITS#Delta_{#phi}","#Delta_{#phi}", 4, binsTrack,xminTrack, xmaxTrack);
1777 fResHistoTPCvertex[2] = new THnSparseS("TPCITS#Delta_{#phi}","#Delta_{#phi}", 4, binsTrack,xminTrack, xmaxTrack);
1778 fResHistoTPCTRD[2] = new THnSparseS("TPCTRD#Delta_{#phi}","#Delta_{#phi}", 4, binsTrack,xminTrack, xmaxTrack);
1781 xminTrack[0] =-0.01; xmaxTrack[0]=0.01; //
1782 fResHistoTPCITS[3] = new THnSparseS("TPCITS#Delta_{#theta}","#Delta_{#theta}", 4, binsTrack,xminTrack, xmaxTrack);
1783 fResHistoTPCvertex[3] = new THnSparseS("TPCITS#Delta_{#theta}","#Delta_{#theta}", 4, binsTrack,xminTrack, xmaxTrack);
1784 fResHistoTPCTRD[3] = new THnSparseS("TPCTRD#Delta_{#theta}","#Delta_{#theta}", 4, binsTrack,xminTrack, xmaxTrack);
1787 xminTrack[0] =-0.05; xmaxTrack[0]=0.05; //
1788 fResHistoTPCITS[4] = new THnSparseS("TPCITS#Delta_{1/pt}","#Delta_{1/pt}", 4, binsTrack,xminTrack, xmaxTrack);
1789 fResHistoTPCvertex[4] = new THnSparseS("TPCITS#Delta_{1/pt}","#Delta_{1/pt}", 4, binsTrack,xminTrack, xmaxTrack);
1790 fResHistoTPCTRD[4] = new THnSparseS("TPCTRD#Delta_{1/pt}","#Delta_{1/pt}", 4, binsTrack,xminTrack, xmaxTrack);
1792 for (Int_t ivar=0;ivar<4;ivar++){
1793 for (Int_t ivar2=0;ivar2<4;ivar2++){
1794 fResHistoTPCITS[ivar]->GetAxis(ivar2)->SetName(axisName[ivar2].Data());
1795 fResHistoTPCITS[ivar]->GetAxis(ivar2)->SetTitle(axisTitle[ivar2].Data());
1796 fResHistoTPCTRD[ivar]->GetAxis(ivar2)->SetName(axisName[ivar2].Data());
1797 fResHistoTPCTRD[ivar]->GetAxis(ivar2)->SetTitle(axisTitle[ivar2].Data());
1798 fResHistoTPCvertex[ivar]->GetAxis(ivar2)->SetName(axisName[ivar2].Data());
1799 fResHistoTPCvertex[ivar]->GetAxis(ivar2)->SetTitle(axisTitle[ivar2].Data());
1805 void AliTPCcalibTime::FillResHistoTPCITS(const AliExternalTrackParam * pTPCIn, const AliExternalTrackParam * pITSOut ){
1807 // fill residual histograms pTPCIn-pITSOut
1808 // Histogram is filled only for primary tracks
1812 pTPCIn->GetXYZ(xyz);
1813 Double_t phi= TMath::ATan2(xyz[1],xyz[0]);
1814 histoX[1]= pTPCIn->GetTgl();
1816 histoX[3]= pTPCIn->GetSnp();
1818 for (Int_t ihisto=0; ihisto<5; ihisto++){
1819 histoX[0]=pTPCIn->GetParameter()[ihisto]-pITSOut->GetParameter()[ihisto];
1820 fResHistoTPCITS[ihisto]->Fill(histoX);
1825 void AliTPCcalibTime::FillResHistoTPC(const AliESDtrack * pTrack){
1827 // fill residual histograms pTPC - vertex
1828 // Histogram is filled only for primary tracks
1831 const AliExternalTrackParam * pTPCIn = pTrack->GetInnerParam();
1832 const AliExternalTrackParam * pTPCvertex = pTrack->GetTPCInnerParam();
1834 pTPCIn->GetXYZ(xyz);
1835 Double_t phi= TMath::ATan2(xyz[1],xyz[0]);
1836 histoX[1]= pTPCIn->GetTgl();
1838 histoX[3]= pTPCIn->GetSnp();
1840 Float_t dca[2], cov[3];
1841 pTrack->GetImpactParametersTPC(dca,cov);
1842 for (Int_t ihisto=0; ihisto<2; ihisto++){
1843 histoX[0]=pTPCvertex->GetParameter()[ihisto]-pTrack->GetParameter()[ihisto];
1844 fResHistoTPCITS[ihisto]->Fill(histoX);
1849 void AliTPCcalibTime::FillResHistoTPCTRD(const AliExternalTrackParam * pTPCOut, const AliExternalTrackParam * pTRDIn ){
1851 // fill resuidual histogram TPCout-TRDin
1855 pTPCOut->GetXYZ(xyz);
1856 Double_t phi= TMath::ATan2(xyz[1],xyz[0]);
1857 histoX[1]= pTPCOut->GetTgl();
1859 histoX[3]= pTPCOut->GetSnp();
1861 for (Int_t ihisto=0; ihisto<5; ihisto++){
1862 histoX[0]=pTPCOut->GetParameter()[ihisto]-pTRDIn->GetParameter()[ihisto];
1863 fResHistoTPCTRD[ihisto]->Fill(histoX);