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:
18 1. What do we calibrate.
20 Time dependence of gain and drift velocity in order to account for changes in: temperature, pressure, gas composition.
22 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
28 a.) determine the required time range:
30 AliXRDPROOFtoolkit tool;
31 TChain * chain = tool.MakeChain("pass2.txt","esdTree",0,6000);
32 chain->Draw("GetTimeStamp()")
34 b) analyse calibration object on Proof in calibration train
36 AliTPCcalibTime *calibTime = new AliTPCcalibTime("cosmicTime","cosmicTime", StartTimeStamp, EndTimeStamp, IntegrationTimeVdrift, IntegrationTimeDeDx);
40 gSystem->Load("libANALYSIS");
41 gSystem->Load("libTPCcalib");
43 TFile f("CalibObjects.root");
44 AliTPCcalibTime *cal = (AliTPCcalibTime *)f->Get("TPCCalib")->FindObject("calibTime");
45 cal->GetHistVdrift()->Projection(1,0)->Draw()
47 4. Analysis using debug streamers.
49 gSystem->AddIncludePath("-I$ALICE_ROOT/TPC/macros");
50 gROOT->LoadMacro("$ALICE_ROOT/TPC/macros/AliXRDPROOFtoolkit.cxx+")
51 AliXRDPROOFtoolkit tool;
52 TChain * chainTime = tool.MakeChain("time.txt","timeInfo",0,10200);
59 #include "Riostream.h"
65 #include "THnSparse.h"
73 #include "TGraphErrors.h"
76 #include "AliTPCclusterMI.h"
77 #include "AliTPCseed.h"
78 #include "AliESDVertex.h"
79 #include "AliESDEvent.h"
80 #include "AliESDfriend.h"
81 #include "AliESDInputHandler.h"
82 #include "AliAnalysisManager.h"
84 #include "AliTracker.h"
86 #include "AliTPCCalROC.h"
90 #include "AliTPCcalibTime.h"
92 #include "TTreeStream.h"
93 #include "AliTPCTracklet.h"
94 #include "TTimeStamp.h"
95 #include "AliTPCcalibDB.h"
96 #include "AliTPCcalibLaser.h"
97 #include "AliDCSSensorArray.h"
98 #include "AliDCSSensor.h"
100 ClassImp(AliTPCcalibTime)
103 AliTPCcalibTime::AliTPCcalibTime()
108 fIntegrationTimeDeDx(0),
109 fIntegrationTimeVdrift(0),
110 fLaser(0), // pointer to laser calibration
111 fDz(0), // current delta z
112 fdEdx(0), // current dEdx
113 fdEdxRatio(0), // current dEdx ratio
114 fTl(0), // current tan(lambda)
115 fCutMaxD(5), // maximal distance in rfi ditection
116 fCutMaxDz(20), // maximal distance in rfi ditection
117 fCutTheta(0.03), // maximal distan theta
118 fCutMinDir(-0.99), // direction vector products
119 fMapDz(0), //NEW! Tmap of V drifts for different triggers
132 // fBinsVdrift(fTimeBins,fPtBins,fVdriftBins),
133 // fXminVdrift(fTimeStart,fPtStart,fVdriftStart),
134 // fXmaxVdrift(fTimeEnd,fPtEnd,fVdriftEnd)
137 AliInfo("Default Constructor");
138 for (Int_t i=0;i<3;i++) {
139 fHistVdriftLaserA[i]=0;
140 fHistVdriftLaserC[i]=0;
145 AliTPCcalibTime::AliTPCcalibTime(const Text_t *name, const Text_t *title, UInt_t StartTime, UInt_t EndTime, Int_t deltaIntegrationTimeDeDx, Int_t deltaIntegrationTimeVdrift)
150 fIntegrationTimeDeDx(0),
151 fIntegrationTimeVdrift(0),
152 fLaser(0), // pointer to laser calibration
153 fDz(0), // current delta z
154 fdEdx(0), // current dEdx
155 fdEdxRatio(0), // current dEdx ratio
156 fTl(0), // current tan(lambda)
157 fCutMaxD(5), // maximal distance in rfi ditection
158 fCutMaxDz(20), // maximal distance in rfi ditection
159 fCutTheta(0.03), // maximal distan theta
160 fCutMinDir(-0.99), // direction vector products
161 fMapDz(0), //NEW! Tmap of V drifts for different triggers
178 for (Int_t i=0;i<3;i++) {
179 fHistVdriftLaserA[i]=0;
180 fHistVdriftLaserC[i]=0;
183 AliInfo("Non Default Constructor");
186 fIntegrationTimeDeDx = deltaIntegrationTimeDeDx;
187 fIntegrationTimeVdrift = deltaIntegrationTimeVdrift;
189 Double_t deltaTime = EndTime - StartTime;
191 Int_t binsVdrift[2] = {TMath::Nint(deltaTime/deltaIntegrationTimeVdrift), 100};
192 Double_t xminVdrift[2] = {StartTime, -20};
193 Double_t xmaxVdrift[2] = {EndTime, 20};
194 fHistVdrift = new THnSparseF("HistVdrift","vDrift; time;#Delta z",2,binsVdrift,xminVdrift,xmaxVdrift);
196 Int_t binsDeDxTgl[4] = {TMath::Nint(deltaTime/deltaIntegrationTimeDeDx),30,100,10000};
197 Double_t xminDeDxTgl[4] = {StartTime,-1,0.7,-0.5};
198 Double_t xmaxDeDxTgl[4] = {EndTime,1,1.3,999.5};
199 fHistDeDxTgl = new THnSparseF("HistDeDxTgl","dEdx vs tgl;time;tgl;dEdxUp/dEdxLow",3,binsDeDxTgl,xminDeDxTgl,xmaxDeDxTgl);
201 Int_t binsDeDx[2] = {TMath::Nint(deltaTime/deltaIntegrationTimeDeDx),100};
202 Double_t xminDeDx[2] = {StartTime,1};
203 Double_t xmaxDeDx[2] = {EndTime,100};
204 fHistDeDx = new THnSparseF("HistDeDx","dEdx l;time;dEdx",2,binsDeDx,xminDeDx,xmaxDeDx);
206 // fLaser = new AliTPCcalibLaser("laserTPC","laserTPC",kFALSE);
208 fTimeBins =TMath::Nint(deltaTime/deltaIntegrationTimeVdrift);
209 fTimeStart =StartTime; //(((TObjString*)(mapGRP->GetValue("fAliceStartTime")))->GetString()).Atoi();
210 fTimeEnd =EndTime; //(((TObjString*)(mapGRP->GetValue("fAliceStopTime")))->GetString()).Atoi();
215 fVdriftStart= -20.0/500.0;
216 fVdriftEnd = 20.0/500.0;
221 Int_t binsVdriftLaser[4] = {fTimeBins , fPtBins , fVdriftBins*20, fRunBins };
222 Double_t xminVdriftLaser[4] = {fTimeStart, fPtStart, fVdriftStart , fRunStart};
223 Double_t xmaxVdriftLaser[4] = {fTimeEnd , fPtEnd , fVdriftEnd , fRunEnd };
225 for (Int_t i=0;i<3;i++) {
226 fHistVdriftLaserA[i] = new THnSparseF("HistVdriftLaser","HistVdriftLaser;time;p/T ratio;Vdrift;run",4,binsVdriftLaser,xminVdriftLaser,xmaxVdriftLaser);
227 fHistVdriftLaserC[i] = new THnSparseF("HistVdriftLaser","HistVdriftLaser;time;p/T ratio;Vdrift;run",4,binsVdriftLaser,xminVdriftLaser,xmaxVdriftLaser);
229 fBinsVdrift[0] = fTimeBins;
230 fBinsVdrift[1] = fPtBins;
231 fBinsVdrift[2] = fVdriftBins;
232 fBinsVdrift[3] = fRunBins;
233 fXminVdrift[0] = fTimeStart;
234 fXminVdrift[1] = fPtStart;
235 fXminVdrift[2] = fVdriftStart;
236 fXminVdrift[3] = fRunStart;
237 fXmaxVdrift[0] = fTimeEnd;
238 fXmaxVdrift[1] = fPtEnd;
239 fXmaxVdrift[2] = fVdriftEnd;
240 fXmaxVdrift[3] = fRunEnd;
247 AliTPCcalibTime::~AliTPCcalibTime(){
254 for (Int_t i=0;i<3;i++){
255 delete fHistVdriftLaserA[i];
256 delete fHistVdriftLaserC[i];
264 void AliTPCcalibTime::ResetCurrent(){
266 // reset current values
268 fDz=0; // current delta z
269 fdEdx=0; // current dEdx
270 fdEdxRatio=0; // current dEdx ratio
271 fTl=0; // current tan(lambda)
275 Bool_t AliTPCcalibTime::IsLaser(AliESDEvent *event){
276 return ((event->GetFiredTriggerClasses()).Contains("0LSR")==1);
279 void AliTPCcalibTime::Process(AliESDEvent *event){
281 if (event->GetNumberOfTracks()<2) return;
284 // if(IsLaser(event))
285 ProcessLaser (event);
287 ProcessCosmic(event);
290 void AliTPCcalibTime::ProcessLaser(AliESDEvent *event){
292 // Fit drift velocity using laser
295 const Int_t kMinTracks = 20; // minimal number of laser tracks
296 const Int_t kMinTracksSide = 10; // minimal number of tracks per side
297 const Float_t kMaxRMS = 0.1; // maximal RMS of tracks
298 const Float_t kMaxDeltaZ = 3.; // maximal deltaZ A-C side
299 const Float_t kMaxDeltaV = 0.01; // maximal deltaV A-C side
300 const Float_t kMaxDeltaY = 2.; // maximal deltaY A-C side
302 TCut cutRMS("sqrt(laserA.fElements[4])<0.1&&sqrt(laserC.fElements[4])<0.1");
303 TCut cutZ("abs(laserA.fElements[0]-laserC.fElements[0])<3");
304 TCut cutV("abs(laserA.fElements[1]-laserC.fElements[1])<0.01");
305 TCut cutY("abs(laserA.fElements[2]-laserC.fElements[2])<2");
306 TCut cutAll = cutRMS+cutZ+cutV+cutY;
308 if (event->GetNumberOfTracks()<kMinTracks) return;
310 if(!fLaser) fLaser = new AliTPCcalibLaser("laserTPC","laserTPC",kFALSE);
311 fLaser->Process(event);
312 if (fLaser->GetNtracks()<kMinTracks) return; // small amount of tracks cut
313 if (fLaser->fFitAside->GetNrows()==0) return; // no fit A side
314 if (fLaser->fFitCside->GetNrows()==0) return; // no fit C side
316 // debug streamer - activate stream level
317 // Use it for tuning of the cuts
320 printf("Trigger: %s\n",event->GetFiredTriggerClasses().Data());
322 TTreeSRedirector *cstream = GetDebugStreamer();
324 TTimeStamp tstamp(fTime);
325 Float_t valuePressure0 = AliTPCcalibDB::GetPressure(tstamp,fRun,0);
326 Float_t valuePressure1 = AliTPCcalibDB::GetPressure(tstamp,fRun,1);
327 Double_t ptrelative0 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,0);
328 Double_t ptrelative1 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,1);
329 Double_t temp0 = AliTPCcalibDB::GetTemperature(tstamp,fRun,0);
330 Double_t temp1 = AliTPCcalibDB::GetTemperature(tstamp,fRun,1);
331 TVectorD vecGoofie(20);
332 AliDCSSensorArray* goofieArray = AliTPCcalibDB::Instance()->GetGoofieSensors(fRun);
334 for (Int_t isensor=0; isensor<goofieArray->NumSensors();isensor++){
335 AliDCSSensor *gsensor = goofieArray->GetSensor(isensor);
336 if (gsensor) vecGoofie[isensor]=gsensor->GetValue(tstamp);
339 (*cstream)<<"laserInfo"<<
340 "run="<<fRun<< // run number
341 "event="<<fEvent<< // event number
342 "time="<<fTime<< // time stamp of event
343 "trigger="<<fTrigger<< // trigger
344 "mag="<<fMagF<< // magnetic field
345 // Environment values
346 "press0="<<valuePressure0<<
347 "press1="<<valuePressure1<<
348 "pt0="<<ptrelative0<<
349 "pt1="<<ptrelative1<<
352 "vecGoofie.=<<"<<&vecGoofie<<
354 "laserA.="<<fLaser->fFitAside<<
355 "laserC.="<<fLaser->fFitCside<<
356 "laserAC.="<<fLaser->fFitACside<<
357 "trigger="<<event->GetFiredTriggerClasses()<<
364 if ((*fLaser->fFitAside)[3] <kMinTracksSide) return; // enough tracks A side
365 if ((*fLaser->fFitCside)[3]<kMinTracksSide) return; // enough tracks C side
367 if (TMath::Abs((*fLaser->fFitAside)[0]-(*fLaser->fFitCside)[0])>kMaxDeltaZ) return;
368 if (TMath::Abs((*fLaser->fFitAside)[2]-(*fLaser->fFitCside)[2])>kMaxDeltaY) return;
369 if (TMath::Abs((*fLaser->fFitAside)[1]-(*fLaser->fFitCside)[1])>kMaxDeltaV) return;
370 if (TMath::Sqrt(TMath::Abs((*fLaser->fFitAside)[4]))>kMaxRMS) return;
371 if (TMath::Sqrt(TMath::Abs((*fLaser->fFitCside)[4]))>kMaxRMS) return;
375 TVectorD vdriftA(5), vdriftC(5),vdriftAC(5);
376 vdriftA=*(fLaser->fFitAside);
377 vdriftC=*(fLaser->fFitCside);
378 vdriftAC=*(fLaser->fFitACside);
379 Int_t npointsA=0, npointsC=0;
380 Float_t chi2A=0, chi2C=0;
381 npointsA= TMath::Nint(vdriftA[3]);
383 npointsC= TMath::Nint(vdriftC[3]);
389 TTimeStamp tstamp(fTime);
390 Double_t ptrelative0 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,0);
391 Double_t ptrelative1 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,1);
393 Double_t vecVdriftLaserA[4]={fTime,(ptrelative0+ptrelative1)/2.0,1./((*(fLaser->fFitAside))[1])-1,event->GetRunNumber()};
394 Double_t vecVdriftLaserC[4]={fTime,(ptrelative0+ptrelative1)/2.0,1./((*(fLaser->fFitCside))[1])-1,event->GetRunNumber()};
396 for (Int_t i=0;i<3;i++){
397 if (i==0){ //z0 shift
398 vecVdriftLaserA[3]=(*(fLaser->fFitAside))[0]/250.;
399 vecVdriftLaserA[3]=(*(fLaser->fFitCside))[0]/250.;
401 if (i==1){ //vdrel shift
402 vecVdriftLaserA[3]=1./(*(fLaser->fFitAside))[1]-1.;
403 vecVdriftLaserA[3]=1./(*(fLaser->fFitCside))[1]-1.;
405 if (i==2){ //gy shift - full gy - full drift
406 vecVdriftLaserA[3]=(*(fLaser->fFitAside))[2]/250.;
407 vecVdriftLaserA[3]=(*(fLaser->fFitCside))[2]/250.;
409 fHistVdriftLaserA[i]->Fill(vecVdriftLaserA);
410 fHistVdriftLaserC[i]->Fill(vecVdriftLaserC);
419 void AliTPCcalibTime::ProcessCosmic(AliESDEvent *event){
422 Printf("ERROR: ESD not available");
425 if (event->GetTimeStamp() == 0 ) {
426 Printf("no time stamp!");
431 UInt_t time = event->GetTimeStamp();
436 // Track0 is choosen in upper TPC part
437 // Track1 is choosen in lower TPC part
439 Int_t ntracks=event->GetNumberOfTracks();
440 if (ntracks==0) return;
441 if (ntracks > 10) return; // temporary debug to remove LASER events
444 if (GetDebugLevel()>1) printf("Hallo world: Im here\n");
445 AliESDfriend *ESDfriend=static_cast<AliESDfriend*>(event->FindListObject("AliESDfriend"));
447 TObjArray tpcSeeds(ntracks);
448 Double_t vtxx[3]={0,0,0};
449 Double_t svtxx[3]={0.000001,0.000001,100.};
450 AliESDVertex vtx(vtxx,svtxx);
454 for (Int_t i=0;i<ntracks;++i) {
455 AliESDtrack *track = event->GetTrack(i);
457 const AliExternalTrackParam * trackIn = track->GetInnerParam();
458 const AliExternalTrackParam * trackOut = track->GetOuterParam();
459 if (!trackIn) continue;
460 if (!trackOut) continue;
462 AliESDfriendTrack *friendTrack = ESDfriend->GetTrack(i);
463 TObject *calibObject;
464 AliTPCseed *seed = 0;
465 for (Int_t l=0;(calibObject=friendTrack->GetCalibObject(l));++l) {
466 if ((seed=dynamic_cast<AliTPCseed*>(calibObject))) break;
469 tpcSeeds.AddAt(seed,i);
470 if (track->GetTPCNcls() > 50) {
471 Double_t meanP = 0.5*(trackIn->GetP() + trackOut->GetP());
472 Double_t TPCsignal = seed->CookdEdxNorm(0.0,0.6,1,0,159,0x0,kTRUE,kTRUE);
473 Double_t vecDeDx[2] = {time, TPCsignal};
476 fHistDeDx->Fill(vecDeDx);
482 if (ntracks<2) return;
486 for (Int_t i=0;i<ntracks;++i) {
487 AliESDtrack *track0 = event->GetTrack(i);
488 // track0 - choosen upper part
489 if (!track0) continue;
490 if (!track0->GetOuterParam()) continue;
491 if (track0->GetOuterParam()->GetAlpha()<0) continue;
493 track0->GetDirection(d1);
494 for (Int_t j=0;j<ntracks;++j) {
496 AliESDtrack *track1 = event->GetTrack(j);
498 if (!track1) continue;
499 if (!track1->GetOuterParam()) continue;
500 if (track1->GetOuterParam()->GetAlpha()>0) continue;
503 track1->GetDirection(d2);
505 AliTPCseed * seed0 = (AliTPCseed*) tpcSeeds.At(i);
506 AliTPCseed * seed1 = (AliTPCseed*) tpcSeeds.At(j);
507 if (! seed0) continue;
508 if (! seed1) continue;
509 Float_t dir = (d1[0]*d2[0] + d1[1]*d2[1] + d1[2]*d2[2]);
510 Float_t dist0 = track0->GetLinearD(0,0);
511 Float_t dist1 = track1->GetLinearD(0,0);
513 // conservative cuts - convergence to be guarantied
514 // applying before track propagation
515 if (TMath::Abs(dist0+dist1)>fCutMaxD) continue; // distance to the 0,0
516 if (dir>fCutMinDir) continue; // direction vector product
517 Float_t bz = AliTracker::GetBz();
518 Float_t dvertex0[2]; //distance to 0,0
519 Float_t dvertex1[2]; //distance to 0,0
520 track0->GetDZ(0,0,0,bz,dvertex0);
521 track1->GetDZ(0,0,0,bz,dvertex1);
522 if (TMath::Abs(dvertex0[1])>250) continue;
523 if (TMath::Abs(dvertex1[1])>250) continue;
527 Float_t dmax = TMath::Max(TMath::Abs(dist0),TMath::Abs(dist1));
528 AliExternalTrackParam param0(*track0);
529 AliExternalTrackParam param1(*track1);
531 // Propagate using Magnetic field and correct fo material budget
533 AliTracker::PropagateTrackTo(¶m0,dmax+1,0.0005,3,kTRUE);
534 AliTracker::PropagateTrackTo(¶m1,dmax+1,0.0005,3,kTRUE);
536 // Propagate rest to the 0,0 DCA - z should be ignored
539 param0.PropagateToDCA(&vtx,bz,1000);
541 param1.PropagateToDCA(&vtx,bz,1000);
543 param0.GetDZ(0,0,0,bz,dvertex0);
544 param1.GetDZ(0,0,0,bz,dvertex1);
546 Double_t xyz0[3];//,pxyz0[3];
547 Double_t xyz1[3];//,pxyz1[3];
550 Bool_t isPair = IsPair(¶m0,¶m1);
552 Double_t z0 = track0->GetOuterParam()->GetZ();
553 Double_t z1 = track1->GetOuterParam()->GetZ();
555 Double_t z0inner = track0->GetInnerParam()->GetZ();
556 Double_t z1inner = track1->GetInnerParam()->GetZ();
558 if (isPair && z0>0 && z0inner>0 && z1<0 && z1inner<0) {
559 Double_t vecVdrift[2] = {time, param0.GetZ() - param1.GetZ()};
561 if (track0->GetTPCNcls() > 80) {
562 fDz = param0.GetZ() - param1.GetZ();
563 TTimeStamp tstamp(fTime);
564 Double_t ptrelative0 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,0);
565 Double_t ptrelative1 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,1);
566 THnSparse* curHist =(THnSparseF*)(fMapDz->GetValue(event->GetFiredTriggerClasses()));
568 curHist=new THnSparseF(event->GetFiredTriggerClasses(),"HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
569 fMapDz->Add(new TObjString(event->GetFiredTriggerClasses()),curHist);
571 Double_t vecVdrift2[4]={fTime,(ptrelative0+ptrelative1)/2.0,fDz/500.0,event->GetRunNumber()};
572 curHist->Fill(vecVdrift2);
574 fHistVdrift->Fill(vecVdrift);
577 if (isPair && z0 > 0 && z1 > 0) {
578 if (track1->GetTPCNcls()> 110 && track0->GetTPCNcls()> 110 && seed1->CookdEdxNorm(0,0.6,1,0,159,0,kFALSE,kTRUE) > 0) {
579 Float_t dedxratio = seed0->CookdEdxNorm(0,0.6,1,0,159,0,kFALSE,kTRUE)/seed1->CookdEdxNorm(0,0.6,1,0,159,0,kFALSE,kTRUE);
580 Double_t vecDeDxTgl[3] = {time, track0->GetTgl(), seed0->CookdEdxNorm(0,0.6,1,0,159,0,kFALSE,kTRUE)/seed1->CookdEdxNorm(0,0.6,1,0,159,0,kFALSE,kTRUE)};
581 fHistDeDxTgl->Fill(vecDeDxTgl);
582 fdEdxRatio = dedxratio;
583 fTl = track0->GetTgl() ;
587 } // end 2nd order loop
588 } // end 1st order loop
591 TTreeSRedirector *cstream = GetDebugStreamer();
593 TTimeStamp tstamp(fTime);
594 Float_t valuePressure0 = AliTPCcalibDB::GetPressure(tstamp,fRun,0);
595 Float_t valuePressure1 = AliTPCcalibDB::GetPressure(tstamp,fRun,1);
596 Double_t ptrelative0 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,0);
597 Double_t ptrelative1 = AliTPCcalibDB::GetPTRelative(tstamp,fRun,1);
598 Double_t temp0 = AliTPCcalibDB::GetTemperature(tstamp,fRun,0);
599 Double_t temp1 = AliTPCcalibDB::GetTemperature(tstamp,fRun,1);
600 TVectorD vecGoofie(20);
601 AliDCSSensorArray* goofieArray = AliTPCcalibDB::Instance()->GetGoofieSensors(fRun);
603 for (Int_t isensor=0; isensor<goofieArray->NumSensors();isensor++){
604 AliDCSSensor *gsensor = goofieArray->GetSensor(isensor);
605 if (gsensor) vecGoofie[isensor]=gsensor->GetValue(tstamp);
608 (*cstream)<<"timeInfo"<<
609 "run="<<fRun<< // run number
610 "event="<<fEvent<< // event number
611 "time="<<fTime<< // time stamp of event
612 "trigger="<<fTrigger<< // trigger
613 "mag="<<fMagF<< // magnetic field
614 // Environment values
615 "press0="<<valuePressure0<<
616 "press1="<<valuePressure1<<
617 "pt0="<<ptrelative0<<
618 "pt1="<<ptrelative1<<
621 "vecGoofie.=<<"<<&vecGoofie<<
623 // accumulated values
625 "fDz="<<fDz<< //! current delta z
626 "fdEdx="<<fdEdx<< //! current dEdx
627 "fdEdxRatio="<<fdEdxRatio<< //! current dEdx ratio
628 "fTl="<<fTl<< //! current tan(lambda)
629 "trigger="<<event->GetFiredTriggerClasses()<<
633 printf("Trigger: %s\n",event->GetFiredTriggerClasses().Data());
636 void AliTPCcalibTime::Analyze() {
640 TH2D * hVdrift = GetHistVdrift()->Projection(1,0);
644 Long64_t AliTPCcalibTime::Merge(TCollection *li) {
646 TIterator* iter = li->MakeIterator();
647 AliTPCcalibTime* cal = 0;
649 while ((cal = (AliTPCcalibTime*)iter->Next())) {
650 if (!cal->InheritsFrom(AliTPCcalibTime::Class())) {
651 Error("Merge","Attempt to add object of class %s to a %s", cal->ClassName(), this->ClassName());
655 // add histograms here...
656 fHistDeDxTgl->Add(cal->GetHistDeDxVsTgl());
657 fHistVdrift->Add(cal->GetHistVdrift());
658 fHistDeDx->Add(cal->GetHistDeDx());
660 for (Int_t imeas=0; imeas<3; imeas++){
661 if (cal->GetHistVdriftLaserA(imeas) && cal->GetHistVdriftLaserA(imeas)){
662 fHistVdriftLaserA[imeas]->Add(cal->GetHistVdriftLaserA(imeas));
663 fHistVdriftLaserC[imeas]->Add(cal->GetHistVdriftLaserC(imeas));
666 TMap * addMap=cal->GetMapDz();
667 if(!addMap) return 0;
668 TIterator* iterator = addMap->MakeIterator();
671 while((addPair=(TPair *)(addMap->FindObject(iterator->Next())))){
672 THnSparse* addHist=dynamic_cast<THnSparseF*>(addPair->Value());
673 if (!addHist) continue;
675 THnSparse* localHist=dynamic_cast<THnSparseF*>(fMapDz->GetValue(addHist->GetName()));
677 localHist=new THnSparseF(addHist->GetName(),"HistVdrift;time;p/T ratio;Vdrift;run",4,fBinsVdrift,fXminVdrift,fXmaxVdrift);
678 fMapDz->Add(new TObjString(addHist->GetName()),localHist);
680 localHist->Add(addHist);
686 Bool_t AliTPCcalibTime::IsPair(AliExternalTrackParam *tr0, AliExternalTrackParam *tr1){
690 // 0. Same direction - OPOSITE - cutDir +cutT
691 TCut cutDir("cutDir","dir<-0.99")
693 TCut cutT("cutT","abs(Tr1.fP[3]+Tr0.fP[3])<0.03")
696 TCut cutD("cutD","abs(Tr0.fP[0]+Tr1.fP[0])<5")
700 TCut cutPt("cutPt","abs(Tr1.fP[4]+Tr0.fP[4])<1&&abs(Tr0.fP[4])+abs(Tr1.fP[4])<10");
703 const Double_t *p0 = tr0->GetParameter();
704 const Double_t *p1 = tr1->GetParameter();
705 if (TMath::Abs(p0[3]+p1[3])>fCutTheta) return kFALSE;
706 if (TMath::Abs(p0[0]+p1[0])>fCutMaxD) return kFALSE;
707 if (TMath::Abs(p0[1]-p1[1])>fCutMaxDz) return kFALSE;
708 Double_t d0[3], d1[3];
709 tr0->GetDirection(d0);
710 tr1->GetDirection(d1);
711 if (d0[0]*d1[0] + d0[1]*d1[1] + d0[2]*d1[2] >fCutMinDir) return kFALSE;