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 **************************************************************************/
19 Responsible: marian.ivanov@cern.ch
20 Code to analyze the TPC calibration and to produce OCDB entries
24 gSystem->Load("libANALYSIS");
25 gSystem->Load("libTPCcalib");
27 AliTPCPreprocessorOffline proces;
28 TString ocdbPath="local:////"
29 ocdbPath+=gSystem->GetFromPipe("pwd");
31 proces.CalibTimeGain("CalibObjects.root",run0,run1,ocdbPath);
32 proces.CalibTimeVdrift("CalibObjects.root",run0,run1,ocdbPath);
33 // take the raw calibration data from the file CalibObjects.root
34 // and make a OCDB entry with run validity run0-run1
35 // results are stored at the ocdbPath - local or alien ...
36 // default storage ""- data stored at current working directory
39 gSystem->Load("libANALYSIS");
40 gSystem->Load("libTPCcalib");
41 AliTPCPreprocessorOffline proces;
42 proces.CalibTimeGain("TPCMultObjects.root",114000,140040,0);
43 TFile oo("OCDB/TPC/Calib/TimeGain/Run114000_121040_v0_s0.root")
44 TObjArray * arr = AliCDBEntry->GetObject()
45 arr->At(4)->Draw("alp")
48 #include "Riostream.h"
51 #include "TGraphErrors.h"
52 #include "AliExternalTrackParam.h"
55 #include "TMultiGraph.h"
57 #include "THnSparse.h"
62 #include "AliTPCROC.h"
63 #include "AliTPCCalROC.h"
64 #include "AliESDfriend.h"
65 #include "AliTPCcalibTime.h"
66 #include "AliSplineFit.h"
67 #include "AliCDBMetaData.h"
69 #include "AliCDBManager.h"
70 #include "AliCDBStorage.h"
71 #include "AliTPCcalibBase.h"
72 #include "AliTPCcalibDB.h"
73 #include "AliTPCcalibDButil.h"
74 #include "AliRelAlignerKalman.h"
75 #include "AliTPCParamSR.h"
76 #include "AliTPCcalibTimeGain.h"
77 #include "AliTPCcalibGainMult.h"
78 #include "AliTPCcalibAlign.h"
79 #include "AliSplineFit.h"
80 #include "AliTPCComposedCorrection.h"
81 #include "AliTPCExBTwist.h"
82 #include "AliTPCCalibGlobalMisalignment.h"
83 #include "TStatToolkit.h"
86 #include "AliTrackerBase.h"
87 #include "AliTracker.h"
88 #include "AliTPCPreprocessorOffline.h"
89 #include "AliTPCCorrectionFit.h"
91 ClassImp(AliTPCPreprocessorOffline)
93 AliTPCPreprocessorOffline::AliTPCPreprocessorOffline():
94 TNamed("TPCPreprocessorOffline","TPCPreprocessorOffline"),
95 fMinEntries(500), // minimal number of entries for fit
96 startRun(0), // start Run - used to make fast selection in THnSparse
97 endRun(0), // end Run - used to make fast selection in THnSparse
98 startTime(0), // startTime - used to make fast selection in THnSparse
99 endTime(0), // endTime - used to make fast selection in THnSparse
100 ocdbStorage(""), // path to the OCDB storage
101 fVdriftArray(new TObjArray),
103 fGraphMIP(0), // graph time dependence of MIP
104 fGraphCosmic(0), // graph time dependence at Plateu
105 fGraphAttachmentMIP(0),
106 fFitMIP(0), // fit of dependence - MIP
107 fFitCosmic(0), // fit of dependence - Plateu
108 fGainArray(new TObjArray), // array to be stored in the OCDB
109 fGainMIP(0), // calibration component for MIP
110 fGainCosmic(0), // calibration component for cosmic
112 fAlignTree(0), // alignment tree
113 fSwitchOnValidation(kFALSE), // flag to switch on validation of OCDB parameters
119 // default constructor
123 AliTPCPreprocessorOffline::~AliTPCPreprocessorOffline() {
132 void AliTPCPreprocessorOffline::GetRunRange(AliTPCcalibTime * const timeDrift){
134 // find the fist and last run
136 TObjArray *hisArray =timeDrift->GetHistoDrift();
137 {for (Int_t i=0; i<hisArray->GetEntriesFast(); i++){
138 THnSparse* addHist=(THnSparse*)hisArray->UncheckedAt(i);
139 if (!addHist) continue;
140 if (addHist->GetEntries()<fMinEntries) continue;
141 TH1D* histo =addHist->Projection(3);
142 TH1D* histoTime=addHist->Projection(0);
143 printf("%s\t%f\t%d\t%d\n",histo->GetName(), histo->GetEntries(),histo->FindFirstBinAbove(0),histo->FindLastBinAbove(0));
146 startRun=histo->FindFirstBinAbove(0);
147 endRun =histo->FindLastBinAbove(0);
149 startRun=TMath::Min(histo->FindFirstBinAbove(0),startRun);
150 endRun =TMath::Max(histo->FindLastBinAbove(0),endRun);
153 startTime=histoTime->FindFirstBinAbove(0);
154 endTime =histoTime->FindLastBinAbove(0);
156 startTime=TMath::Min(histoTime->FindFirstBinAbove(0),startTime);
157 endTime =TMath::Max(histoTime->FindLastBinAbove(0),endTime);
162 if (startRun<0) startRun=0;
163 if (endRun<0) endRun=100000000;
164 printf("Run range :\t%d-%d\n", startRun, endRun);
165 printf("Time range :\t%d-%d\n", startTime, endTime);
171 void AliTPCPreprocessorOffline::CalibTimeVdrift(const Char_t* file, Int_t ustartRun, Int_t uendRun, TString pocdbStorage){
173 // make calibration of the drift velocity
175 // file - the location of input file
176 // ustartRun, uendrun - run validity period
177 // pocdbStorage - path to hte OCDB storage
178 // - if empty - local storage 'pwd' uesed
179 if (pocdbStorage.Length()>0) ocdbStorage=pocdbStorage;
181 ocdbStorage="local://"+gSystem->GetFromPipe("pwd")+"/OCDB";
183 // 1. Initialization and run range setting
185 TObjArray * array = (TObjArray*)fcalib.Get("TPCCalib");
187 fTimeDrift = (AliTPCcalibTime *)array->FindObject("calibTime");
189 fTimeDrift = (AliTPCcalibTime*)fcalib.Get("calibTime");
191 if(!fTimeDrift) return;
195 TObjArray *hisArray =fTimeDrift->GetHistoDrift();
196 GetRunRange(fTimeDrift);
197 for (Int_t i=0; i<hisArray->GetEntriesFast(); i++){
198 THnSparse* addHist=(THnSparse*)hisArray->At(i);
199 if (!addHist) continue;
200 if (startTime<endTime) addHist->GetAxis(0)->SetRange(startTime-1,endTime+1);
201 if (startRun<endRun) addHist->GetAxis(3)->SetRange(startRun-1,endRun+1);
205 // 2. extraction of the information
207 fVdriftArray = new TObjArray();
208 AddAlignmentGraphs(fVdriftArray,fTimeDrift);
209 AddHistoGraphs(fVdriftArray,fTimeDrift,fMinEntries);
210 AddLaserGraphs(fVdriftArray,fTimeDrift);
212 // 3. Append QA plots
214 MakeDefaultPlots(fVdriftArray,fVdriftArray);
217 // 4. validate OCDB entries
219 if(fSwitchOnValidation==kTRUE && ValidateTimeDrift()==kFALSE) {
220 Printf("TPC time drift OCDB parameters out of range!");
227 TFile * ftime= TFile::Open("fitITSVertex.root");
229 TObject * alignmentTime=ftime->Get("FitCorrectionTime");
230 if (alignmentTime) fVdriftArray->AddLast(alignmentTime);
237 UpdateOCDBDrift(ustartRun,uendRun,ocdbStorage);
240 void AliTPCPreprocessorOffline::UpdateOCDBDrift( Int_t ustartRun, Int_t uendRun, const char* storagePath ){
244 AliCDBMetaData *metaData= new AliCDBMetaData();
245 metaData->SetObjectClassName("TObjArray");
246 metaData->SetResponsible("Marian Ivanov");
247 metaData->SetBeamPeriod(1);
248 metaData->SetAliRootVersion("05-25-01"); //root version
249 metaData->SetComment("Calibration of the time dependence of the drift velocity");
251 id1=new AliCDBId("TPC/Calib/TimeDrift", ustartRun, uendRun);
252 AliCDBStorage* gStorage = AliCDBManager::Instance()->GetStorage(storagePath);
253 gStorage->Put(fVdriftArray, (*id1), metaData);
256 Bool_t AliTPCPreprocessorOffline::ValidateTimeGain()
259 // Validate time gain corrections
261 Printf("ValidateTimeGain..." );
262 Float_t minGain = fMinGain;
263 Float_t maxGain = fMaxGain;
265 TGraphErrors *gr = (TGraphErrors*)fGainArray->FindObject("TGRAPHERRORS_MEAN_GAIN_BEAM_ALL");
267 gr = (TGraphErrors*)fGainArray->FindObject("TGRAPHERRORS_MEAN_GAIN_COSMIC_ALL");
268 if (!gr) return kFALSE;
269 Printf("Assuming given run is a cosmic run. Using gain calibration from Fermi-plateau muons.");
271 if(gr->GetN()<1) return kFALSE;
273 // check whether gain in the range
274 for(Int_t iPoint=0; iPoint<gr->GetN(); iPoint++)
276 if(gr->GetY()[iPoint] < minGain || gr->GetY()[iPoint] > maxGain)
284 Bool_t AliTPCPreprocessorOffline::ValidateTimeDrift()
287 // Validate time drift velocity corrections
289 Printf("ValidateTimeDrift..." );
291 Float_t maxVDriftCorr = fMaxVdriftCorr;
293 TGraphErrors* gr = (TGraphErrors*)fVdriftArray->FindObject("ALIGN_ITSB_TPC_DRIFTVD");
294 Printf("ALIGN_ITSB_TPC_DRIFTVD graph = %p",gr);
296 if(!gr) return kFALSE;
298 Printf("ALIGN_ITSB_TPC_DRIFTVD number of points = %d",gr->GetN());
302 // check whether drift velocity corrections in the range
303 for(Int_t iPoint = 0; iPoint<gr->GetN(); iPoint++)
305 Printf("Y value from the graph: %f",TMath::Abs(gr->GetY()[iPoint]));
306 if(TMath::Abs(gr->GetY()[iPoint]) > maxVDriftCorr)
313 void AliTPCPreprocessorOffline::UpdateDriftParam(AliTPCParam *param, TObjArray *const arr, Int_t lstartRun){
315 // update the OCDB entry for the nominal time0
318 // AliTPCParam * param = AliTPCcalibDB::Instance()->GetParameters();
319 AliTPCParam *paramNew = (AliTPCParam *)param->Clone();
320 TGraphErrors *grT = (TGraphErrors *)arr->FindObject("ALIGN_ITSM_TPC_T0");
321 Double_t deltaTcm = TMath::Median(grT->GetN(),grT->GetY());
322 Double_t deltaT = deltaTcm/param->GetDriftV();
323 paramNew->SetL1Delay(param->GetL1Delay()-deltaT);
326 AliCDBMetaData *metaData= new AliCDBMetaData();
327 metaData->SetObjectClassName("TObjArray");
328 metaData->SetResponsible("Marian Ivanov");
329 metaData->SetBeamPeriod(1);
330 metaData->SetAliRootVersion("05-25-02"); //root version
331 metaData->SetComment("Updated calibration of nominal time 0");
333 id1=new AliCDBId("TPC/Calib/Parameters", lstartRun, AliCDBRunRange::Infinity());
334 AliCDBStorage* gStorage = AliCDBManager::Instance()->GetStorage(ocdbStorage);
335 gStorage->Put(param, (*id1), metaData);
340 void AliTPCPreprocessorOffline::PrintArray(TObjArray *array){
342 // Print the names of the entries in array
344 Int_t entries = array->GetEntries();
345 for (Int_t i=0; i<entries; i++){
346 if (!array->At(i)) continue;
347 printf("%d\t %s\n", i, array->At(i)->GetName());
353 TGraphErrors* AliTPCPreprocessorOffline::FilterGraphDrift(TGraphErrors * graph, Float_t errSigmaCut, Float_t medianCutAbs){
355 // 1. filter graph - error cut errSigmaCut
356 // 2. filter graph - medianCutAbs around median
358 // errSigmaCut - cut on error
359 // medianCutAbs - cut on value around median
362 // 1. filter graph - error cut errSigmaCut
364 TGraphErrors *graphF;
365 graphF = AliTPCcalibDButil::FilterGraphMedianErr(graph,errSigmaCut,dummy);
367 if (!graphF) return 0;
368 graph = AliTPCcalibDButil::FilterGraphMedianErr(graphF,errSigmaCut,dummy);
370 if (!graph) return 0;
372 // filter graph - kMedianCutAbs around median
374 graphF=FilterGraphMedianAbs(graph, medianCutAbs,dummy);
376 if (!graphF) return 0;
377 graph=FilterGraphMedianAbs(graphF, medianCutAbs,dummy);
379 if (!graph) return 0;
385 TGraphErrors* AliTPCPreprocessorOffline::FilterGraphMedianAbs(TGraphErrors * graph, Float_t cut,Double_t &medianY){
387 // filter outlyer measurement
388 // Only points around median +- cut filtered
390 if (!graph) return 0;
392 Int_t npoints0 = graph->GetN();
395 Double_t *outx=new Double_t[npoints0];
396 Double_t *outy=new Double_t[npoints0];
397 Double_t *errx=new Double_t[npoints0];
398 Double_t *erry=new Double_t[npoints0];
401 if (npoints0<kMinPoints) {
408 for (Int_t iter=0; iter<3; iter++){
410 for (Int_t ipoint=0; ipoint<npoints0; ipoint++){
411 if (graph->GetY()[ipoint]==0) continue;
412 if (iter>0 &&TMath::Abs(graph->GetY()[ipoint]-medianY)>cut) continue;
413 outx[npoints] = graph->GetX()[ipoint];
414 outy[npoints] = graph->GetY()[ipoint];
415 errx[npoints] = graph->GetErrorX(ipoint);
416 erry[npoints] = graph->GetErrorY(ipoint);
419 if (npoints<=1) break;
420 medianY =TMath::Median(npoints,outy);
421 rmsY =TMath::RMS(npoints,outy);
423 TGraphErrors *graphOut=0;
424 if (npoints>1) graphOut= new TGraphErrors(npoints,outx,outy,errx,erry);
433 void AliTPCPreprocessorOffline::AddHistoGraphs( TObjArray * vdriftArray, AliTPCcalibTime * const timeDrift, Int_t minEntries){
435 // Add graphs corresponding to the alignment
437 const Double_t kErrSigmaCut=5; // error sigma cut - for filtering
438 const Double_t kMedianCutAbs=0.03; // error sigma cut - for filtering
440 TObjArray * array=timeDrift->GetHistoDrift();
442 THnSparse* hist=NULL;
443 // 2.a) cosmics with different triggers
444 for (Int_t i=0; i<array->GetEntriesFast();i++){
445 hist=(THnSparseF*)array->UncheckedAt(i);
447 if (hist->GetEntries()<minEntries) continue;
449 TString name=hist->GetName();
450 Int_t dim[4]={0,1,2,3};
451 THnSparse* newHist=hist->Projection(4,dim);
452 newHist->SetName(name);
453 TGraphErrors* graph=AliTPCcalibBase::FitSlices(newHist,2,0,400,100,0.05,0.95, kTRUE);
455 printf("Graph =%s filtered out\n", name.Data());
458 printf("name=%s graph=%i, N=%i\n", name.Data(), graph==0, graph->GetN());
459 Int_t pos=name.Index("_");
460 name=name(pos,name.Capacity()-pos);
461 TString graphName=graph->ClassName();
465 graph = FilterGraphDrift(graph, kErrSigmaCut, kMedianCutAbs);
468 graph->SetMarkerStyle(i%8+20);
469 graph->SetMarkerColor(i%7);
470 graph->GetXaxis()->SetTitle("Time");
471 graph->GetYaxis()->SetTitle("v_{dcor}");
472 graph->SetName(graphName);
473 graph->SetTitle(graphName);
474 printf("Graph %d\t=\t%s\n", i, graphName.Data());
475 vdriftArray->Add(graph);
484 void AliTPCPreprocessorOffline::AddAlignmentGraphs( TObjArray * vdriftArray, AliTPCcalibTime *const timeDrift){
486 // Add graphs corresponding to alignment to the object array
488 TObjArray *arrayITS=0;
489 TObjArray *arrayTOF=0;
490 TObjArray *arrayTRD=0;
491 TMatrixD *mstatITS=0;
492 TMatrixD *mstatTOF=0;
493 TMatrixD *mstatTRD=0;
495 arrayITS=timeDrift->GetAlignITSTPC();
496 arrayTRD=timeDrift->GetAlignTRDTPC();
497 arrayTOF=timeDrift->GetAlignTOFTPC();
499 if (arrayITS->GetEntries()>0) mstatITS= AliTPCcalibDButil::MakeStatRelKalman(arrayITS,0.7,50,fMaxVdriftCorr);
500 if (arrayTOF->GetEntries()>0) mstatTOF= AliTPCcalibDButil::MakeStatRelKalman(arrayTOF,0.7,1000,fMaxVdriftCorr);
501 if (arrayTRD->GetEntries()>0) mstatTRD= AliTPCcalibDButil::MakeStatRelKalman(arrayTRD,0.7,50,fMaxVdriftCorr);
503 TObjArray * arrayITSP= AliTPCcalibDButil::SmoothRelKalman(arrayITS,*mstatITS, 0, 5.);
504 TObjArray * arrayITSM= AliTPCcalibDButil::SmoothRelKalman(arrayITS,*mstatITS, 1, 5.);
505 TObjArray * arrayITSB= AliTPCcalibDButil::SmoothRelKalman(arrayITSP,arrayITSM);
506 TObjArray * arrayTOFP= AliTPCcalibDButil::SmoothRelKalman(arrayTOF,*mstatTOF, 0, 5.);
507 TObjArray * arrayTOFM= AliTPCcalibDButil::SmoothRelKalman(arrayTOF,*mstatTOF, 1, 5.);
508 TObjArray * arrayTOFB= AliTPCcalibDButil::SmoothRelKalman(arrayTOFP,arrayTOFM);
510 TObjArray * arrayTRDP= 0x0;
511 TObjArray * arrayTRDM= 0x0;
512 TObjArray * arrayTRDB= 0x0;
513 arrayTRDP= AliTPCcalibDButil::SmoothRelKalman(arrayTRD,*mstatTRD, 0, 5.);
514 arrayTRDM= AliTPCcalibDButil::SmoothRelKalman(arrayTRD,*mstatTRD, 1, 5.);
515 arrayTRDB= AliTPCcalibDButil::SmoothRelKalman(arrayTRDP,arrayTRDM);
518 Int_t entries=TMath::Max(arrayITS->GetEntriesFast(),arrayTOF->GetEntriesFast());
519 TObjArray *arrays[12]={arrayITS, arrayITSP, arrayITSM, arrayITSB,
520 arrayTRD, arrayTRDP, arrayTRDM, arrayTRDB,
521 arrayTOF, arrayTOFP, arrayTOFM, arrayTOFB};
522 TString grnames[12]={"ALIGN_ITS", "ALIGN_ITSP", "ALIGN_ITSM", "ALIGN_ITSB",
523 "ALIGN_TRD", "ALIGN_TRDP", "ALIGN_TRDM","ALIGN_TRDB",
524 "ALIGN_TOF", "ALIGN_TOFP", "ALIGN_TOFM","ALIGN_TOFB"};
525 TString grpar[9]={"DELTAPSI", "DELTATHETA", "DELTAPHI",
526 "DELTAX", "DELTAY", "DELTAZ",
527 "DRIFTVD", "T0", "VDGY"};
530 TVectorD vX(entries);
531 TVectorD vY(entries);
532 TVectorD vEx(entries);
533 TVectorD vEy(entries);
535 for (Int_t iarray=0; iarray<12; iarray++){
536 arr = arrays[iarray];
537 if (arr==0) continue;
538 for (Int_t ipar=0; ipar<9; ipar++){
540 for (Int_t itime=0; itime<arr->GetEntriesFast(); itime++){
541 AliRelAlignerKalman * kalman = (AliRelAlignerKalman *) arr->UncheckedAt(itime);
542 if (!kalman) continue;
543 vX[counter]=kalman->GetTimeStamp();
544 vY[counter]=(*(kalman->GetState()))[ipar];
545 if (ipar==6) vY[counter]=1./(*(kalman->GetState()))[ipar]-1;
547 vEy[counter]=TMath::Sqrt((*(kalman->GetStateCov()))(ipar,ipar));
551 TGraphErrors * graph=new TGraphErrors(counter, vX.GetMatrixArray(),
553 vEx.GetMatrixArray(),
554 vEy.GetMatrixArray());
555 TString grName=grnames[iarray];
558 graph->SetName(grName.Data());
559 vdriftArray->AddLast(graph);
567 void AliTPCPreprocessorOffline::AddLaserGraphs( TObjArray * vdriftArray, AliTPCcalibTime *timeDrift){
569 // add graphs for laser
571 const Double_t delayL0L1 = 0.071; //this is hack for 1/2 weeks
573 TGraphErrors *grLaser[6]={0,0,0,0,0,0};
574 //hisN = timeDrift->GetHistVdriftLaserA(0);
575 if (timeDrift->GetHistVdriftLaserA(0)){
576 grLaser[0]=MakeGraphFilter0(timeDrift->GetHistVdriftLaserA(0),0,2,5,delayL0L1);
577 grLaser[0]->SetName("GRAPH_MEAN_DELAY_LASER_ALL_A");
578 vdriftArray->AddLast(grLaser[0]);
580 if (timeDrift->GetHistVdriftLaserA(1)){
581 grLaser[1]=MakeGraphFilter0(timeDrift->GetHistVdriftLaserA(1),0,2,5);
582 grLaser[1]->SetName("GRAPH_MEAN_DRIFT_LASER_ALL_A");
583 vdriftArray->AddLast(grLaser[1]);
585 if (timeDrift->GetHistVdriftLaserA(2)){
586 grLaser[2]=MakeGraphFilter0(timeDrift->GetHistVdriftLaserA(2),0,2,5);
587 grLaser[2]->SetName("GRAPH_MEAN_GLOBALYGRADIENT_LASER_ALL_A");
588 vdriftArray->AddLast(grLaser[2]);
590 if (timeDrift->GetHistVdriftLaserC(0)){
591 grLaser[3]=MakeGraphFilter0(timeDrift->GetHistVdriftLaserC(0),0,2,5,delayL0L1);
592 grLaser[3]->SetName("GRAPH_MEAN_DELAY_LASER_ALL_C");
593 vdriftArray->AddLast(grLaser[3]);
595 if (timeDrift->GetHistVdriftLaserC(1)){
596 grLaser[4]=MakeGraphFilter0(timeDrift->GetHistVdriftLaserC(1),0,2,5);
597 grLaser[4]->SetName("GRAPH_MEAN_DRIFT_LASER_ALL_C");
598 vdriftArray->AddLast(grLaser[4]);
600 if (timeDrift->GetHistVdriftLaserC(2)){
601 grLaser[5]=MakeGraphFilter0(timeDrift->GetHistVdriftLaserC(2),0,2,5);
602 grLaser[5]->SetName("GRAPH_MEAN_GLOBALYGRADIENT_LASER_ALL_C");
603 vdriftArray->AddLast(grLaser[5]);
605 for (Int_t i=0; i<6;i++){
607 SetDefaultGraphDrift(grLaser[i], 1,(i+20));
608 grLaser[i]->GetYaxis()->SetTitle("Laser Correction");
614 TGraphErrors * AliTPCPreprocessorOffline::MakeGraphFilter0(THnSparse *hisN, Int_t itime, Int_t ival, Int_t minEntries, Double_t offset){
616 // Make graph with mean values and rms
618 hisN->GetAxis(itime)->SetRange(0,100000000);
619 hisN->GetAxis(ival)->SetRange(0,100000000);
620 TH1 * hisT = hisN->Projection(itime);
621 TH1 * hisV = hisN->Projection(ival);
623 Int_t firstBinA = hisT->FindFirstBinAbove(2);
624 Int_t lastBinA = hisT->FindLastBinAbove(2);
625 Int_t firstBinV = hisV->FindFirstBinAbove(0);
626 Int_t lastBinV = hisV->FindLastBinAbove(0);
627 hisN->GetAxis(itime)->SetRange(firstBinA,lastBinA);
628 hisN->GetAxis(ival)->SetRange(firstBinV,lastBinV);
630 for (Int_t ibin=firstBinA; ibin<=lastBinA; ibin++){
631 Double_t cont = hisT->GetBinContent(ibin);
632 if (cont<minEntries) continue;
635 TVectorD vecTime(entries);
636 TVectorD vecMean0(entries);
637 TVectorD vecRMS0(entries);
638 TVectorD vecMean1(entries);
639 TVectorD vecRMS1(entries);
641 for (Int_t ibin=firstBinA; ibin<=lastBinA; ibin++){
642 Double_t cont = hisT->GetBinContent(ibin);
643 if (cont<minEntries) continue;
644 //hisN->GetAxis(itime)->SetRange(ibin-1,ibin+1);
645 Int_t minBin = ibin-1;
646 Int_t maxBin = ibin+1;
647 if(minBin <= 0) minBin = 1;
648 if(maxBin >= hisN->GetAxis(itime)->GetNbins()) maxBin = hisN->GetAxis(itime)->GetNbins()-1;
649 hisN->GetAxis(itime)->SetRange(minBin,maxBin);
651 Double_t time = hisT->GetBinCenter(ibin);
652 TH1 * his = hisN->Projection(ival);
653 Double_t nentries0= his->GetBinContent(his->FindBin(0));
654 if (cont-nentries0<minEntries) continue;
656 his->SetBinContent(his->FindBin(0),0);
657 vecTime[entries]=time;
658 vecMean0[entries]=his->GetMean()+offset;
659 vecMean1[entries]=his->GetMeanError();
660 vecRMS0[entries] =his->GetRMS();
661 vecRMS1[entries] =his->GetRMSError();
667 TGraphErrors * graph = new TGraphErrors(entries,vecTime.GetMatrixArray(), vecMean0.GetMatrixArray(), 0, vecMean1.GetMatrixArray());
678 void AliTPCPreprocessorOffline::SetDefaultGraphDrift(TGraph *graph, Int_t color, Int_t style){
680 // Set default style for QA views
682 graph->GetXaxis()->SetTimeDisplay(kTRUE);
683 graph->GetXaxis()->SetTimeFormat("#splitline{%d/%m}{%H:%M}");
684 graph->SetMaximum( 0.025);
685 graph->SetMinimum(-0.025);
686 graph->GetXaxis()->SetTitle("Time");
687 graph->GetYaxis()->SetTitle("v_{dcorr}");
689 graph->GetYaxis()->SetLabelSize(0.03);
690 graph->GetXaxis()->SetLabelSize(0.03);
692 graph->GetXaxis()->SetNdivisions(10,5,0);
693 graph->GetYaxis()->SetNdivisions(10,5,0);
695 graph->GetXaxis()->SetLabelOffset(0.02);
696 graph->GetYaxis()->SetLabelOffset(0.005);
698 graph->GetXaxis()->SetTitleOffset(1.3);
699 graph->GetYaxis()->SetTitleOffset(1.2);
701 graph->SetMarkerColor(color);
702 graph->SetLineColor(color);
703 graph->SetMarkerStyle(style);
706 void AliTPCPreprocessorOffline::SetPadStyle(TPad *pad, Float_t mx0, Float_t mx1, Float_t my0, Float_t my1){
708 // Set default pad style for QA
711 pad->SetMargin(mx0,mx1,my0,my1);
715 void AliTPCPreprocessorOffline::MakeDefaultPlots(TObjArray * const arr, TObjArray * /*picArray*/){
717 // 0. make a default QA plots
718 // 1. Store them in the array
721 Float_t mx0=0.12, mx1=0.1, my0=0.15, my1=0.1;
723 TGraphErrors* laserA =(TGraphErrors*)arr->FindObject("GRAPH_MEAN_DRIFT_LASER_ALL_A");
724 TGraphErrors* laserC =(TGraphErrors*)arr->FindObject("GRAPH_MEAN_DRIFT_LASER_ALL_C");
725 TGraphErrors* cosmic =(TGraphErrors*)arr->FindObject("TGRAPHERRORS_MEAN_VDRIFT_COSMICS_ALL");
726 TGraphErrors* cross =(TGraphErrors*)arr->FindObject("TGRAPHERRORS_VDRIFT_CROSS_ALL");
727 TGraphErrors* itstpcP =(TGraphErrors*)arr->FindObject("ALIGN_ITSP_TPC_DRIFTVD");
728 TGraphErrors* itstpcM =(TGraphErrors*)arr->FindObject("ALIGN_ITSM_TPC_DRIFTVD");
729 TGraphErrors* itstpcB =(TGraphErrors*)arr->FindObject("ALIGN_ITSB_TPC_DRIFTVD");
731 if (laserA) SetDefaultGraphDrift(laserA,2,25);
732 if (laserC) SetDefaultGraphDrift(laserC,4,26);
733 if (cosmic) SetDefaultGraphDrift(cosmic,3,27);
734 if (cross) SetDefaultGraphDrift(cross,4,28);
735 if (itstpcP) SetDefaultGraphDrift(itstpcP,2,29);
736 if (itstpcM) SetDefaultGraphDrift(itstpcM,4,30);
737 if (itstpcB) SetDefaultGraphDrift(itstpcB,1,31);
745 pad = new TCanvas("TPCLaserVDrift","TPCLaserVDrift");
747 SetPadStyle(pad,mx0,mx1,my0,my1);
750 TLegend *legend = new TLegend(mx0+0.01,1-my1-0.2, 0.5, 1-my1-0.01, "Drift velocity correction");
751 legend->AddEntry(laserA,"Laser A side");
752 legend->AddEntry(laserC,"Laser C side");
754 //picArray->AddLast(pad);
757 if (itstpcP&&itstpcM&&itstpcB){
758 pad = new TCanvas("ITSTPC","ITSTPC");
759 itstpcP->Draw("alp");
760 SetPadStyle(pad,mx0,mx1,my0,my1);
761 itstpcP->Draw("alp");
763 itstpcM->Draw("apl");
766 TLegend *legend = new TLegend(mx0+0.01,1-my1-0.2, 0.5, 1-my1-0.01, "Drift velocity correction");
767 legend->AddEntry(itstpcP,"ITS-TPC smooth plus");
768 legend->AddEntry(itstpcM,"ITS-TPC smooth minus");
769 legend->AddEntry(itstpcB,"ITS-TPC smooth ");
771 //picArray->AddLast(pad);
774 if (itstpcB&&laserA&&itstpcP&&itstpcM){
775 pad = new TCanvas("ITSTPC_LASER","ITSTPC_LASER");
776 SetPadStyle(pad,mx0,mx1,my0,my1);
781 TLegend *legend = new TLegend(mx0+0.01,1-my1-0.2, 0.5, 1-my1-0.01, "Drift velocity correction");
782 legend->AddEntry(laserA,"TPC laser");
783 legend->AddEntry(itstpcP,"ITS-TPC smooth plus");
784 legend->AddEntry(itstpcM,"ITS-TPC smooth minus");
785 legend->AddEntry(itstpcB,"ITS-TPC smooth ");
787 //picArray->AddLast(pad);
791 pad = new TCanvas("ITSTPC_CROSS","ITSTPC_CROSS");
792 SetPadStyle(pad,mx0,mx1,my0,my1);
793 itstpcP->Draw("alp");
798 TLegend *legend = new TLegend(mx0+0.01,1-my1-0.2, 0.5, 1-my1-0.01, "Drift velocity correction");
800 legend->AddEntry(cross,"TPC cross tracks");
801 legend->AddEntry(itstpcB,"ITS-TPC smooth");
803 //picArray->AddLast(pad);
805 if (itstpcP&&cosmic){
806 pad = new TCanvas("ITSTPC_COSMIC","ITSTPC_COSMIC");
807 SetPadStyle(pad,mx0,mx1,my0,my1);
808 itstpcP->Draw("alp");
813 TLegend *legend = new TLegend(mx0+0.01,1-my1-0.2, 0.5, 1-my1-0.01, "Drift velocity correction");
815 legend->AddEntry(cosmic,"TPC cross tracks0 up-down");
816 legend->AddEntry(itstpcB,"ITS-TPC smooth");
818 //picArray->AddLast(pad);
825 void AliTPCPreprocessorOffline::CalibTimeGain(const Char_t* fileName, Int_t startRunNumber, Int_t endRunNumber, TString pocdbStorage){
829 if (pocdbStorage.Length()==0) pocdbStorage+="local://"+gSystem->GetFromPipe("pwd")+"/OCDB";
832 // 1. Read gain values
834 ReadGainGlobal(fileName);
837 // 2. Extract calibration values
839 AnalyzeGain(startRunNumber,endRunNumber, 1000,1.43);
840 AnalyzeAttachment(startRunNumber,endRunNumber);
841 AnalyzePadRegionGain();
842 AnalyzeGainMultiplicity();
843 AnalyzeGainChamberByChamber();
845 // 3. Make control plots
850 // 4. validate OCDB entries
852 if(fSwitchOnValidation==kTRUE && ValidateTimeGain()==kFALSE) {
853 Printf("TPC time gain OCDB parameters out of range!");
860 UpdateOCDBGain( startRunNumber, endRunNumber, pocdbStorage.Data());
863 void AliTPCPreprocessorOffline::ReadGainGlobal(const Char_t* fileName){
865 // read calibration entries from file
867 TFile fcalib(fileName);
868 TObjArray * array = (TObjArray*)fcalib.Get("TPCCalib");
870 fGainMIP = ( AliTPCcalibTimeGain *)array->FindObject("calibTimeGain");
871 fGainCosmic = ( AliTPCcalibTimeGain *)array->FindObject("calibTimeGainCosmic");
872 fGainMult = ( AliTPCcalibGainMult *)array->FindObject("calibGainMult");
874 fGainMIP = ( AliTPCcalibTimeGain *)fcalib.Get("calibTimeGain");
875 fGainCosmic = ( AliTPCcalibTimeGain *)fcalib.Get("calibTimeGainCosmic");
876 fGainMult = ( AliTPCcalibGainMult *)fcalib.Get("calibGainMult");
879 TFile fcalibMult("TPCMultObjects.root");
880 fGainMult = ( AliTPCcalibGainMult *)fcalibMult.Get("calibGainMult");
883 Int_t firstBinA =0, lastBinA=0;
886 hisT= fGainCosmic->GetHistGainTime()->Projection(1);
887 firstBinA = hisT->FindFirstBinAbove(2);
888 lastBinA = hisT->FindLastBinAbove(2);
889 fGainCosmic->GetHistGainTime()->GetAxis(1)->SetRange(firstBinA,lastBinA);
894 hisT= fGainMIP->GetHistGainTime()->Projection(1);
895 firstBinA = hisT->FindFirstBinAbove(2);
896 lastBinA = hisT->FindLastBinAbove(2);
897 fGainMIP->GetHistGainTime()->GetAxis(1)->SetRange(firstBinA,lastBinA);
905 Bool_t AliTPCPreprocessorOffline::AnalyzeGain(Int_t startRunNumber, Int_t endRunNumber, Int_t minEntriesGaussFit, Float_t FPtoMIPratio){
907 // Analyze gain - produce the calibration graphs
910 // 1.) try to create MIP spline
913 fGainMIP->GetHistGainTime()->GetAxis(5)->SetRangeUser(startRunNumber, endRunNumber);
914 fGainMIP->GetHistGainTime()->GetAxis(2)->SetRangeUser(1.51,2.49); // only beam data
915 fGainMIP->GetHistGainTime()->GetAxis(4)->SetRangeUser(0.39,0.51); // only MIP pions
917 fGraphMIP = AliTPCcalibBase::FitSlices(fGainMIP->GetHistGainTime(),0,1,minEntriesGaussFit,10,0.1,0.7);
918 if (fGraphMIP->GetN()==0) fGraphMIP = 0x0;
919 if (fGraphMIP) fFitMIP = AliTPCcalibTimeGain::MakeSplineFit(fGraphMIP);
920 if (fGraphMIP) fGraphMIP->SetName("TGRAPHERRORS_MEAN_GAIN_BEAM_ALL");// set proper names according to naming convention
921 fGainArray->AddAt(fFitMIP,0);
924 // 2.) try to create Cosmic spline
927 fGainCosmic->GetHistGainTime()->GetAxis(2)->SetRangeUser(0.51,1.49); // only cosmics
928 fGainCosmic->GetHistGainTime()->GetAxis(4)->SetRangeUser(20,100); // only Fermi-Plateau muons
930 fGraphCosmic = AliTPCcalibBase::FitSlices(fGainCosmic->GetHistGainTime(),0,1,minEntriesGaussFit,10);
931 if (fGraphCosmic->GetN()==0) fGraphCosmic = 0x0;
934 for(Int_t i=0; i < fGraphCosmic->GetN(); i++) {
935 fGraphCosmic->GetY()[i] /= FPtoMIPratio;
936 fGraphCosmic->GetEY()[i] /= FPtoMIPratio;
940 if (fGraphCosmic) fFitCosmic = AliTPCcalibTimeGain::MakeSplineFit(fGraphCosmic);
941 if (fGraphCosmic) fGraphCosmic->SetName("TGRAPHERRORS_MEAN_GAIN_COSMIC_ALL"); // set proper names according to naming convention
942 fGainArray->AddAt(fFitCosmic,1);
944 // with naming convention and backward compatibility
945 fGainArray->AddAt(fGraphMIP,2);
946 fGainArray->AddAt(fGraphCosmic,3);
947 cout << "fGraphCosmic: " << fGraphCosmic << " fGraphMIP " << fGraphMIP << endl;
952 Bool_t AliTPCPreprocessorOffline::AnalyzeAttachment(Int_t startRunNumber, Int_t endRunNumber, Int_t minEntriesFit) {
954 // determine slope as a function of mean driftlength
956 if(!fGainMIP) return kFALSE;
958 fGainMIP->GetHistGainTime()->GetAxis(5)->SetRangeUser(startRunNumber, endRunNumber);
960 fGainMIP->GetHistGainTime()->GetAxis(2)->SetRangeUser(1.51,2.49); // only beam data
961 fGainMIP->GetHistGainTime()->GetAxis(4)->SetRangeUser(0.39,0.51); // only MIP pions
963 fGainMIP->GetHistGainTime()->GetAxis(3)->SetRangeUser(125,250);// only full tracking region (driftlength)
964 fGainMIP->GetHistGainTime()->GetAxis(0)->SetRangeUser(1.5,3.5);// only full tracking region (driftlength)
966 TH3D * hist = fGainMIP->GetHistGainTime()->Projection(1, 0, 3);
968 Double_t *xvec = new Double_t[hist->GetNbinsX()];
969 Double_t *yvec = new Double_t[hist->GetNbinsX()];
970 Double_t *xerr = new Double_t[hist->GetNbinsX()];
971 Double_t *yerr = new Double_t[hist->GetNbinsX()];
974 for(Int_t i=1; i < hist->GetNbinsX(); i++) {
978 for (Int_t idelta=0; idelta<5; idelta++){
980 imin = TMath::Max(i-idelta,1);
981 imax = TMath::Min(i+idelta,hist->GetNbinsX());
982 nsum = TMath::Nint(hist->Integral(imin,imax,1,hist->GetNbinsY()-1,1,hist->GetNbinsZ()-1));
983 //if (nsum==0) break;
984 if (nsum>minEntriesFit) break;
986 if (nsum<minEntriesFit) continue;
988 fGainMIP->GetHistGainTime()->GetAxis(1)->SetRangeUser(hist->GetXaxis()->GetBinCenter(imin-1),hist->GetXaxis()->GetBinCenter(imax+1)); // define time range
989 TH2D * histZdep = fGainMIP->GetHistGainTime()->Projection(0,3);
991 histZdep->FitSlicesY(0,0,-1,0,"QNR",&arr);
992 TH1D * driftDep = (TH1D*)arr.At(1);
994 //TGraphErrors * driftDep = AliTPCcalibBase::FitSlices(fGainMIP->GetHistGainTime(),0,3,100,1,0.,1);
995 /*if (driftDep->GetN() < 4) {
1002 TF1 pol1("polynom1","pol1",125,240);
1003 //driftDep->Fit(&pol1,"QNRROB=0.8");
1004 driftDep->Fit(&pol1,"QNR");
1005 xvec[counter] = 0.5*(hist->GetXaxis()->GetBinCenter(imin-1)+hist->GetXaxis()->GetBinCenter(imax+1));
1006 yvec[counter] = pol1.GetParameter(1)/pol1.GetParameter(0);
1007 xerr[counter] = hist->GetXaxis()->GetBinCenter(imax+1)-hist->GetXaxis()->GetBinCenter(imin-1);
1008 yerr[counter] = pol1.GetParError(1)/pol1.GetParameter(0);
1014 fGraphAttachmentMIP = new TGraphErrors(counter, xvec, yvec, xerr, yerr);
1015 if (fGraphAttachmentMIP) fGraphAttachmentMIP->SetName("TGRAPHERRORS_MEAN_ATTACHMENT_BEAM_ALL");// set proper names according to naming convention
1016 fGainArray->AddLast(fGraphAttachmentMIP);
1024 if (counter < 1) return kFALSE;
1030 Bool_t AliTPCPreprocessorOffline::AnalyzePadRegionGain(){
1032 // Analyze gain for different pad regions - produce the calibration graphs 0,1,2
1036 TH2D * histQmax = (TH2D*) fGainMult->GetHistPadEqual()->Projection(0,2);
1037 TH2D * histQtot = (TH2D*) fGainMult->GetHistPadEqual()->Projection(1,2);
1040 histQmax->FitSlicesY(0,0,-1,0,"QNR",&arr);
1041 Double_t xMax[3] = {0,1,2};
1042 Double_t yMax[3] = {((TH1D*)arr.At(1))->GetBinContent(1),
1043 ((TH1D*)arr.At(1))->GetBinContent(2),
1044 ((TH1D*)arr.At(1))->GetBinContent(3)};
1045 Double_t yMaxErr[3] = {((TH1D*)arr.At(1))->GetBinError(1),
1046 ((TH1D*)arr.At(1))->GetBinError(2),
1047 ((TH1D*)arr.At(1))->GetBinError(3)};
1048 TGraphErrors * fitPadRegionQmax = new TGraphErrors(3, xMax, yMax, 0, yMaxErr);
1050 histQtot->FitSlicesY(0,0,-1,0,"QNR",&arr);
1051 Double_t xTot[3] = {0,1,2};
1052 Double_t yTot[3] = {((TH1D*)arr.At(1))->GetBinContent(1),
1053 ((TH1D*)arr.At(1))->GetBinContent(2),
1054 ((TH1D*)arr.At(1))->GetBinContent(3)};
1055 Double_t yTotErr[3] = {((TH1D*)arr.At(1))->GetBinError(1),
1056 ((TH1D*)arr.At(1))->GetBinError(2),
1057 ((TH1D*)arr.At(1))->GetBinError(3)};
1058 TGraphErrors * fitPadRegionQtot = new TGraphErrors(3, xTot, yTot, 0, yTotErr);
1060 fitPadRegionQtot->SetName("TGRAPHERRORS_MEANQTOT_PADREGIONGAIN_BEAM_ALL");// set proper names according to naming convention
1061 fitPadRegionQmax->SetName("TGRAPHERRORS_MEANQMAX_PADREGIONGAIN_BEAM_ALL");// set proper names according to naming convention
1063 fGainArray->AddLast(fitPadRegionQtot);
1064 fGainArray->AddLast(fitPadRegionQmax);
1072 Bool_t AliTPCPreprocessorOffline::AnalyzeGainMultiplicity() {
1074 // Analyze gain as a function of multiplicity and produce calibration graphs
1076 if (!fGainMult) return kFALSE;
1077 fGainMult->GetHistGainMult()->GetAxis(3)->SetRangeUser(3,3);
1078 TH2D * histMultMax = fGainMult->GetHistGainMult()->Projection(0,4);
1079 TH2D * histMultTot = fGainMult->GetHistGainMult()->Projection(1,4);
1080 histMultMax->RebinX(4);
1081 histMultTot->RebinX(4);
1085 histMultMax->FitSlicesY(0,0,-1,0,"QNR",&arrMax);
1086 histMultTot->FitSlicesY(0,0,-1,0,"QNR",&arrTot);
1088 TH1D * meanMax = (TH1D*)arrMax.At(1);
1089 TH1D * meanTot = (TH1D*)arrTot.At(1);
1090 Float_t meanMult = histMultMax->GetMean();
1091 if(meanMax->GetBinContent(meanMax->FindBin(meanMult))) {
1092 meanMax->Scale(1./meanMax->GetBinContent(meanMax->FindBin(meanMult)));
1097 if(meanTot->GetBinContent(meanTot->FindBin(meanMult))) {
1098 meanTot->Scale(1./meanTot->GetBinContent(meanTot->FindBin(meanMult)));
1103 Float_t xMultMax[50];
1104 Float_t yMultMax[50];
1105 Float_t yMultErrMax[50];
1106 Float_t xMultTot[50];
1107 Float_t yMultTot[50];
1108 Float_t yMultErrTot[50];
1110 Int_t nCountMax = 0;
1111 for(Int_t iBin = 1; iBin < meanMax->GetXaxis()->GetNbins(); iBin++) {
1112 Float_t yValMax = meanMax->GetBinContent(iBin);
1113 if (yValMax < 0.7) continue;
1114 if (yValMax > 1.3) continue;
1115 if (meanMax->GetBinError(iBin)/yValMax > 0.01) continue;
1116 xMultMax[nCountMax] = meanMax->GetXaxis()->GetBinCenter(iBin);
1117 yMultMax[nCountMax] = yValMax;
1118 yMultErrMax[nCountMax] = meanMax->GetBinError(iBin);
1122 if (nCountMax < 10) return kFALSE;
1123 TGraphErrors * fitMultMax = new TGraphErrors(nCountMax, xMultMax, yMultMax, 0, yMultErrMax);
1124 fitMultMax->SetName("TGRAPHERRORS_MEANQMAX_MULTIPLICITYDEPENDENCE_BEAM_ALL");
1126 Int_t nCountTot = 0;
1127 for(Int_t iBin = 1; iBin < meanTot->GetXaxis()->GetNbins(); iBin++) {
1128 Float_t yValTot = meanTot->GetBinContent(iBin);
1129 if (yValTot < 0.7) continue;
1130 if (yValTot > 1.3) continue;
1131 if (meanTot->GetBinError(iBin)/yValTot > 0.1) continue;
1132 xMultTot[nCountTot] = meanTot->GetXaxis()->GetBinCenter(iBin);
1133 yMultTot[nCountTot] = yValTot;
1134 yMultErrTot[nCountTot] = meanTot->GetBinError(iBin);
1138 if (nCountTot < 10) return kFALSE;
1139 TGraphErrors * fitMultTot = new TGraphErrors(nCountTot, xMultTot, yMultTot, 0, yMultErrTot);
1140 fitMultTot->SetName("TGRAPHERRORS_MEANQTOT_MULTIPLICITYDEPENDENCE_BEAM_ALL");
1142 fGainArray->AddLast(fitMultMax);
1143 fGainArray->AddLast(fitMultTot);
1149 Bool_t AliTPCPreprocessorOffline::AnalyzeGainChamberByChamber(){
1151 // get chamber by chamber gain
1153 TGraphErrors *grShort = fGainMult->GetGainPerChamber(0);
1154 TGraphErrors *grMedium = fGainMult->GetGainPerChamber(1);
1155 TGraphErrors *grLong = fGainMult->GetGainPerChamber(2);
1156 if (grShort==0x0 || grMedium==0x0 || grLong==0x0) {
1163 fGainArray->AddLast(grShort);
1164 fGainArray->AddLast(grMedium);
1165 fGainArray->AddLast(grLong);
1170 void AliTPCPreprocessorOffline::UpdateOCDBGain(Int_t startRunNumber, Int_t endRunNumber, const Char_t *storagePath){
1172 // Update OCDB entry
1174 AliCDBMetaData *metaData= new AliCDBMetaData();
1175 metaData->SetObjectClassName("TObjArray");
1176 metaData->SetResponsible("Alexander Kalweit");
1177 metaData->SetBeamPeriod(1);
1178 metaData->SetAliRootVersion("05-24-00"); //root version
1179 metaData->SetComment("Calibration of the time dependence of the gain due to pressure and temperature changes.");
1180 AliCDBId id1("TPC/Calib/TimeGain", startRunNumber, endRunNumber);
1181 AliCDBStorage * gStorage = AliCDBManager::Instance()->GetStorage(storagePath);
1182 gStorage->Put(fGainArray, id1, metaData);
1185 void AliTPCPreprocessorOffline::MakeQAPlot(Float_t FPtoMIPratio) {
1187 // Make QA plot to visualize results
1192 TCanvas * canvasCosmic = new TCanvas("gain Cosmic", "time dependent gain QA histogram cosmic");
1194 TH2D * gainHistoCosmic = fGainCosmic->GetHistGainTime()->Projection(0,1);
1195 gainHistoCosmic->SetDirectory(0);
1196 gainHistoCosmic->SetName("GainHistoCosmic");
1197 gainHistoCosmic->GetXaxis()->SetTimeDisplay(kTRUE);
1198 gainHistoCosmic->GetXaxis()->SetTimeFormat("#splitline{%d/%m}{%H:%M}");
1199 gainHistoCosmic->Draw("colz");
1200 fGraphCosmic->SetMarkerStyle(25);
1201 fGraphCosmic->Draw("lp");
1202 fGraphCosmic->SetMarkerStyle(25);
1203 TGraph * grfFitCosmic = fFitCosmic->MakeGraph(fGraphCosmic->GetX()[0],fGraphCosmic->GetX()[fGraphCosmic->GetN()-1],50000,0);
1205 for(Int_t i=0; i < grfFitCosmic->GetN(); i++) {
1206 grfFitCosmic->GetY()[i] *= FPtoMIPratio;
1208 for(Int_t i=0; i < fGraphCosmic->GetN(); i++) {
1209 fGraphCosmic->GetY()[i] *= FPtoMIPratio;
1212 fGraphCosmic->Draw("lp");
1214 grfFitCosmic->SetLineColor(2);
1215 grfFitCosmic->Draw("lu");
1217 fGainArray->AddLast(gainHistoCosmic);
1218 //fGainArray->AddLast(canvasCosmic->Clone());
1219 delete canvasCosmic;
1222 TCanvas * canvasMIP = new TCanvas("gain MIP", "time dependent gain QA histogram MIP");
1224 TH2D * gainHistoMIP = fGainMIP->GetHistGainTime()->Projection(0,1);
1225 gainHistoMIP->SetName("GainHistoCosmic");
1226 gainHistoMIP->SetDirectory(0);
1227 gainHistoMIP->GetXaxis()->SetTimeDisplay(kTRUE);
1228 gainHistoMIP->GetXaxis()->SetTimeFormat("#splitline{%d/%m}{%H:%M}");
1229 gainHistoMIP->Draw("colz");
1230 fGraphMIP->SetMarkerStyle(25);
1231 fGraphMIP->Draw("lp");
1232 TGraph * grfFitMIP = fFitMIP->MakeGraph(fGraphMIP->GetX()[0],fGraphMIP->GetX()[fGraphMIP->GetN()-1],50000,0);
1233 grfFitMIP->SetLineColor(2);
1234 grfFitMIP->Draw("lu");
1235 fGainArray->AddLast(gainHistoMIP);
1236 //fGainArray->AddLast(canvasMIP->Clone());
1241 void AliTPCPreprocessorOffline::MakeFitTime(){
1243 // make aligment fit - store results in the file
1245 const Int_t kMinEntries=1000;
1247 MakePrimitivesTime();
1248 if (!fAlignTree) return;
1249 if (fAlignTree->GetEntries()<kMinEntries) return;
1250 fAlignTree->SetAlias("ptype","type");
1251 fAlignTree->SetAlias("hasITS","(1+0)");
1252 fAlignTree->SetAlias("dITS","1-2*(refX<40)");
1253 fAlignTree->SetAlias("isITS","refX>10");
1254 fAlignTree->SetAlias("isVertex","refX<10");
1256 Int_t npointsMax=30000000;
1257 TStatToolkit toolkit;
1263 TString fstringFast="";
1264 fstringFast+="FExBTwistX++";
1265 fstringFast+="FExBTwistY++";
1266 fstringFast+="FAlignRot0D++";
1267 fstringFast+="FAlignTrans0D++";
1268 fstringFast+="FAlignTrans1D++";
1270 fstringFast+="hasITS*FAlignTrans0++";
1271 fstringFast+="hasITS*FAlignTrans1++";
1272 fstringFast+="hasITS*FAlignRot0++";
1273 fstringFast+="hasITS*FAlignRot1++";
1274 fstringFast+="hasITS*FAlignRot2++";
1276 fstringFast+="dITS*FAlignTrans0++";
1277 fstringFast+="dITS*FAlignTrans1++";
1278 fstringFast+="dITS*FAlignRot0++";
1279 fstringFast+="dITS*FAlignRot1++";
1280 fstringFast+="dITS*FAlignRot2++";
1282 TCut cutFit="entries>10&&abs(mean)>0.00001&&rms>0";
1283 fAlignTree->SetAlias("err","rms");
1285 TString *strDeltaITS = TStatToolkit::FitPlaneConstrain(fAlignTree,"mean:err", fstringFast.Data(),cutFit, chi2,npoints,param,covar,-1,0, npointsMax, 1);
1286 strDeltaITS->Tokenize("++")->Print();
1287 fAlignTree->SetAlias("fitYFast",strDeltaITS->Data());
1289 TVectorD paramC= param;
1290 TMatrixD covarC= covar;
1291 TStatToolkit::Constrain1D(fstringFast,"Trans0D",paramC,covarC,0, 0.1);
1292 TStatToolkit::Constrain1D(fstringFast,"Trans1D",paramC,covarC,0, 0.1);
1293 TStatToolkit::Constrain1D(fstringFast,"TwistX",paramC,covarC,0, 0.1);
1294 TStatToolkit::Constrain1D(fstringFast,"TwistY",paramC,covarC,0, 0.1);
1295 TString strFitConst=TStatToolkit::MakeFitString(fstringFast, paramC,covar);
1296 fAlignTree->SetAlias("fitYFastC",strFitConst.Data());
1297 CreateAlignTime(fstringFast,paramC);
1303 void AliTPCPreprocessorOffline::MakeChainTime(){
1307 TFile f("CalibObjects.root");
1309 // const char *cdtype[7]={"ITS","TRD","Vertex","TOF","TPC","TPC0","TPC1"};
1310 //const char *cptype[5]={"dy","dz","dsnp","dtheta","d1pt"};
1311 const char * hname[5]={"dy","dz","dsnp","dtheta","d1pt"};
1313 AliTPCcalibTime *calibTime = 0;
1314 TObjArray * array = (TObjArray*)f.Get("TPCCalib");
1316 calibTime = (AliTPCcalibTime *)array->FindObject("calibTime");
1318 calibTime = (AliTPCcalibTime*)f.Get("calibTime");
1320 if (!calibTime) return;
1321 AliTPCCorrectionFit::CreateAlignMaps(AliTracker::GetBz(), run);
1322 TTreeSRedirector *pcstream = new TTreeSRedirector("meanITSVertex.root");
1325 THnSparse *his = calibTime->GetResHistoTPCITS(ihis);
1327 his->GetAxis(1)->SetRangeUser(-1.1,1.1);
1328 his->GetAxis(2)->SetRange(0,1000000);
1329 his->GetAxis(3)->SetRangeUser(-0.35,0.35);
1330 AliTPCCorrection::MakeDistortionMap(his,pcstream, Form("ITS%s",hname[ihis]),run,85.,ihis,3);
1333 his = calibTime->GetResHistoTPCITS(ihis);
1335 his->GetAxis(1)->SetRangeUser(-1.1,1.1);
1336 his->GetAxis(2)->SetRange(0,1000000);
1337 his->GetAxis(3)->SetRangeUser(-0.35,0.35);
1338 AliTPCCorrection::MakeDistortionMap(his,pcstream, Form("ITS%s",hname[ihis]),run,85.,ihis,3);
1341 his = calibTime->GetResHistoTPCITS(ihis);
1343 his->GetAxis(1)->SetRangeUser(-1.1,1.1);
1344 his->GetAxis(2)->SetRange(0,1000000);
1345 his->GetAxis(3)->SetRangeUser(-0.35,0.35);
1346 AliTPCCorrection::MakeDistortionMap(his,pcstream, Form("ITS%s",hname[ihis]),run,85.,ihis,3);
1349 his = calibTime->GetResHistoTPCvertex(ihis);
1351 his->GetAxis(1)->SetRangeUser(-1.1,1.1);
1352 his->GetAxis(2)->SetRange(0,1000000);
1353 his->GetAxis(3)->SetRangeUser(-0.35,0.35);
1354 AliTPCCorrection::MakeDistortionMap(his,pcstream, Form("Vertex%s",hname[ihis]),run,0.,ihis,3);
1357 his = calibTime->GetResHistoTPCvertex(ihis);
1359 his->GetAxis(1)->SetRangeUser(-1.1,1.1);
1360 his->GetAxis(2)->SetRange(0,1000000);
1361 his->GetAxis(3)->SetRangeUser(-0.35,0.35);
1362 AliTPCCorrection::MakeDistortionMap(his,pcstream, Form("Vertex%s",hname[ihis]),run,0.,ihis,3);
1366 his = calibTime->GetResHistoTPCvertex(ihis);
1368 his->GetAxis(1)->SetRangeUser(-1.1,1.1);
1369 his->GetAxis(2)->SetRange(0,1000000);
1370 his->GetAxis(3)->SetRangeUser(-0.35,0.35);
1371 AliTPCCorrection::MakeDistortionMap(his,pcstream, Form("Vertex%s",hname[ihis]),run,0.,ihis,3);
1375 his = calibTime->GetResHistoTPCTOF(ihis);
1377 his->GetAxis(1)->SetRangeUser(-1.1,1.1);
1378 his->GetAxis(2)->SetRange(0,1000000);
1379 his->GetAxis(3)->SetRangeUser(-0.35,0.35);
1380 AliTPCCorrection::MakeDistortionMap(his,pcstream, Form("TOF%s",hname[ihis]),run,0.,ihis,3);
1384 his = calibTime->GetResHistoTPCTRD(ihis);
1386 his->GetAxis(1)->SetRangeUser(-1.1,1.1);
1387 his->GetAxis(2)->SetRange(0,1000000);
1388 his->GetAxis(3)->SetRangeUser(-0.35,0.35);
1389 AliTPCCorrection::MakeDistortionMap(his,pcstream, Form("TRD%s",hname[ihis]),run,0.,ihis,3);
1396 Double_t AliTPCPreprocessorOffline::EvalAt(Double_t phi, Double_t refX, Double_t theta, Int_t corr, Int_t ptype){
1400 Double_t sector = 9*phi/TMath::Pi();
1401 if (sector<0) sector+=18;
1402 Double_t y85=AliTPCCorrection::GetCorrSector(sector,85,theta,1,corr);
1403 Double_t y245=AliTPCCorrection::GetCorrSector(sector,245,theta,1,corr);
1404 if (ptype==0) return y85+(y245-y85)*(refX-85.)/(245.-85.);
1405 if (ptype==2) return (y245-y85)/(245.-85.);
1410 Double_t AliTPCPreprocessorOffline::EvalAtPar(Double_t phi0, Double_t snp, Double_t refX, Double_t theta, Int_t corr, Int_t ptype, Int_t nsteps){
1412 // Fit the distortion along the line with the parabolic model
1414 // phi0 - phi at the entrance of the TPC
1415 // snp - local inclination angle at the entrance of the TPC
1416 // refX - ref X where the distortion is evanluated
1419 static TLinearFitter fitter(3,"pol2");
1420 fitter.ClearPoints();
1421 if (nsteps<3) nsteps=3;
1422 Double_t deltaX=(245-85)/(nsteps);
1423 for (Int_t istep=0; istep<(nsteps+1); istep++){
1425 Double_t localX =85.+deltaX*istep;
1426 Double_t localPhi=phi0+deltaX*snp*istep;
1427 Double_t sector = 9*localPhi/TMath::Pi();
1428 if (sector<0) sector+=18;
1429 Double_t y=AliTPCCorrection::GetCorrSector(sector,localX,theta,1,corr);
1430 Double_t dlocalX=AliTPCCorrection::GetCorrSector(sector,localX,theta,0,corr);
1431 Double_t x[1]={localX-dlocalX};
1432 fitter.AddPoint(x,y);
1436 par[0]=fitter.GetParameter(0);
1437 par[1]=fitter.GetParameter(1);
1438 par[2]=fitter.GetParameter(2);
1440 if (ptype==0) return par[0]+par[1]*refX+par[2]*refX*refX;
1441 if (ptype==2) return par[1]+2*par[2]*refX;
1442 if (ptype==4) return par[2];
1451 void AliTPCPreprocessorOffline::MakePrimitivesTime(){
1453 // Create primitive transformation to fit
1455 fAlignTree=new TChain("fit","fit");
1456 fAlignTree->AddFile("meanITSVertex.root",10000000,"ITSdy");
1457 fAlignTree->AddFile("meanITSVertex.root",10000000,"ITSdsnp");
1458 fAlignTree->AddFile("meanITSVertex.root",10000000,"Vertexdy");
1459 fAlignTree->AddFile("meanITSVertex.root",10000000,"Vertexdsnp");
1461 AliTPCParam *param= AliTPCcalibDB::Instance()->GetParameters();
1462 Double_t bzField=AliTrackerBase::GetBz();
1463 Double_t vdrift = param->GetDriftV()/1000000.; // [cm/us] // From dataBase: to be updated: per second (ideally)
1464 Double_t ezField = 400; // [V/cm] // to be updated: never (hopefully)
1465 Double_t wtP = -10.0 * (bzField) * vdrift / ezField ;
1466 AliTPCExBTwist *fitExBTwistX= new AliTPCExBTwist;
1467 AliTPCExBTwist *fitExBTwistY= new AliTPCExBTwist;
1468 AliTPCCalibGlobalMisalignment *trans0 =new AliTPCCalibGlobalMisalignment;
1469 AliTPCCalibGlobalMisalignment *trans1 =new AliTPCCalibGlobalMisalignment;
1470 AliTPCCalibGlobalMisalignment *trans0D =new AliTPCCalibGlobalMisalignment;
1471 AliTPCCalibGlobalMisalignment *trans1D =new AliTPCCalibGlobalMisalignment;
1472 AliTPCCalibGlobalMisalignment *rot0 =new AliTPCCalibGlobalMisalignment;
1473 AliTPCCalibGlobalMisalignment *rot1 =new AliTPCCalibGlobalMisalignment;
1474 AliTPCCalibGlobalMisalignment *rot2 =new AliTPCCalibGlobalMisalignment;
1475 AliTPCCalibGlobalMisalignment *rot3 =new AliTPCCalibGlobalMisalignment;
1478 fitExBTwistX->SetXTwist(0.001);
1479 fitExBTwistX->SetOmegaTauT1T2(wtP,1,1);
1481 fitExBTwistY->SetYTwist(0.001);
1482 fitExBTwistY->SetOmegaTauT1T2(wtP,1,1);
1484 TGeoHMatrix *matrixRot = new TGeoHMatrix;
1485 TGeoHMatrix *matrixX = new TGeoHMatrix;
1486 TGeoHMatrix *matrixY = new TGeoHMatrix;
1487 matrixX->SetDx(0.1);
1488 matrixY->SetDy(0.1);
1489 Double_t rotAngles0[9]={0};
1490 Double_t rotAngles1[9]={0};
1491 Double_t rotAngles2[9]={0};
1493 Double_t rotAngles3[9]={0};
1495 rotAngles0[0]=1; rotAngles0[4]=1; rotAngles0[8]=1;
1496 rotAngles1[0]=1; rotAngles1[4]=1; rotAngles1[8]=1;
1497 rotAngles2[0]=1; rotAngles2[4]=1; rotAngles2[8]=1;
1498 rotAngles3[0]=1; rotAngles3[4]=1; rotAngles3[8]=1;
1500 rotAngles0[1]=-0.001;rotAngles0[3]=0.001;
1501 rotAngles1[5]=-0.001;rotAngles1[7]=0.001;
1502 rotAngles2[2]=0.001;rotAngles2[6]=-0.001;
1503 rotAngles3[1]=0.001;rotAngles3[3]=-0.001;
1504 matrixRot->SetRotation(rotAngles0);
1505 rot0->SetAlignGlobal(matrixRot);
1506 matrixRot->SetRotation(rotAngles1);
1507 rot1->SetAlignGlobal(matrixRot);
1508 matrixRot->SetRotation(rotAngles2);
1509 rot2->SetAlignGlobal(matrixRot);
1510 matrixRot->SetRotation(rotAngles3);
1511 rot3->SetAlignGlobalDelta(matrixRot);
1513 trans0->SetAlignGlobal(matrixX);
1514 trans1->SetAlignGlobal(matrixY);
1515 trans0D->SetAlignGlobalDelta(matrixX);
1516 trans1D->SetAlignGlobalDelta(matrixY);
1517 fitExBTwistX->Init();
1518 fitExBTwistY->Init();
1520 fitExBTwistX->AddVisualCorrection((AliTPCExBTwist*)(fitExBTwistX->Clone()),100);
1521 fitExBTwistY->AddVisualCorrection((AliTPCExBTwist*)(fitExBTwistY->Clone()),101);
1523 fitExBTwistX->AddVisualCorrection((AliTPCExBTwist*)(rot0->Clone()),102);
1524 fitExBTwistY->AddVisualCorrection((AliTPCExBTwist*)(rot1->Clone()),103);
1525 fitExBTwistX->AddVisualCorrection((AliTPCExBTwist*)(rot2->Clone()),104);
1526 fitExBTwistX->AddVisualCorrection((AliTPCExBTwist*)(rot3->Clone()),105);
1528 fitExBTwistX->AddVisualCorrection((AliTPCExBTwist*)(trans0->Clone()),106);
1529 fitExBTwistX->AddVisualCorrection((AliTPCExBTwist*)(trans1->Clone()),107);
1530 fitExBTwistX->AddVisualCorrection((AliTPCExBTwist*)(trans0D->Clone()),108);
1531 fitExBTwistX->AddVisualCorrection((AliTPCExBTwist*)(trans1D->Clone()),109);
1533 fAlignTree->SetAlias("FExBTwistX", "AliTPCPreprocessorOffline::EvalAt(phi,refX,theta,100,ptype)+0");
1534 fAlignTree->SetAlias("FExBTwistY","AliTPCPreprocessorOffline::EvalAt(phi,refX,theta,101,ptype)+0");
1535 fAlignTree->SetAlias("FAlignRot0","AliTPCPreprocessorOffline::EvalAt(phi,refX,theta,102,ptype)+0");
1536 fAlignTree->SetAlias("FAlignRot0D","AliTPCPreprocessorOffline::EvalAt(phi,refX,theta,105,ptype)+0");
1537 fAlignTree->SetAlias("FAlignRot1","AliTPCPreprocessorOffline::EvalAt(phi,refX,theta,103,ptype)+0");
1538 fAlignTree->SetAlias("FAlignRot2","AliTPCPreprocessorOffline::EvalAt(phi,refX,theta,104,ptype)+0");
1539 fAlignTree->SetAlias("FAlignTrans0","AliTPCPreprocessorOffline::EvalAt(phi,refX,theta,106,ptype)+0");
1540 fAlignTree->SetAlias("FAlignTrans1","AliTPCPreprocessorOffline::EvalAt(phi,refX,theta,107,ptype)+0");
1541 fAlignTree->SetAlias("FAlignTrans0D","AliTPCPreprocessorOffline::EvalAt(phi,refX,theta,108,ptype)+0");
1542 fAlignTree->SetAlias("FAlignTrans1D","AliTPCPreprocessorOffline::EvalAt(phi,refX,theta,109,ptype)+0");
1544 // test fast function
1546 // fAlignTree->Draw("FExBTwistX:ExBTwistX","isITS&&ptype==0&&abs(snp)<0.05","");
1547 // fAlignTree->Draw("FExBTwistY:ExBTwistY","isITS&&ptype==0&&abs(snp)<0.05","");
1548 // fAlignTree->Draw("FAlignRot0:alignRot0","isITS&&ptype==0&&abs(snp)<0.05","");
1549 // fAlignTree->Draw("FAlignRot1:alignRot1","isITS&&ptype==0&&abs(snp)<0.05","");
1550 // fAlignTree->Draw("FAlignRot2:alignRot2","isITS&&ptype==0&&abs(snp)<0.05","");
1552 // fAlignTree->Draw("FAlignTrans0:alignTrans0","isITS&&ptype==0&&abs(snp)<0.05","");
1553 // fAlignTree->Draw("FAlignTrans1:alignTrans1","isITS&&ptype==0&&abs(snp)<0.05","");
1558 void AliTPCPreprocessorOffline::CreateAlignTime(TString fstring, TVectorD paramC){
1563 TGeoHMatrix *matrixDelta = new TGeoHMatrix;
1564 TGeoHMatrix *matrixGlobal = new TGeoHMatrix;
1565 Double_t rAngles[9];
1568 index=TStatToolkit::GetFitIndex(fstring,"FAlignTrans0D");
1569 if (index>=0) matrixDelta->SetDx(paramC[index+1]*0.1);
1570 index=TStatToolkit::GetFitIndex(fstring,"FAlignTrans1D");
1571 if (index>=0) matrixDelta->SetDy(paramC[index+1]*0.1);
1572 rAngles[0]=1; rAngles[4]=1; rAngles[8]=1;
1573 index=TStatToolkit::GetFitIndex(fstring,"FAlignRot0D");
1574 rAngles[1]=-paramC[index+1]*0.001; rAngles[3]=paramC[index+1]*0.001;
1575 rAngles[5]=0; rAngles[7] =0;
1576 rAngles[2]=0; rAngles[6] =0;
1577 matrixDelta->SetRotation(rAngles);
1581 index=TStatToolkit::GetFitIndex(fstring,"hasITS*FAlignTrans0");
1582 if (index>=0) matrixGlobal->SetDx(paramC[index+1]*0.1);
1583 index=TStatToolkit::GetFitIndex(fstring,"hasITS*FAlignTrans1");
1584 if (index>=0) matrixGlobal->SetDy(paramC[index+1]*0.1);
1585 rAngles[0]=1; rAngles[4]=1; rAngles[8]=1;
1586 index=TStatToolkit::GetFitIndex(fstring,"hasITS*FAlignRot0");
1587 rAngles[1]=-paramC[index+1]*0.001; rAngles[3]=paramC[index+1]*0.001;
1588 index=TStatToolkit::GetFitIndex(fstring,"hasITS*FAlignRot1");
1589 rAngles[5]=-paramC[index+1]*0.001; rAngles[7]=paramC[index+1]*0.001;
1590 index=TStatToolkit::GetFitIndex(fstring,"hasITS*FAlignRot2");
1591 rAngles[2]=paramC[index+1]*0.001; rAngles[6] =-paramC[index+1]*0.001;
1592 matrixGlobal->SetRotation(rAngles);
1594 AliTPCCalibGlobalMisalignment *fitAlignTime =0;
1595 fitAlignTime =new AliTPCCalibGlobalMisalignment;
1596 fitAlignTime->SetName("FitAlignTime");
1597 fitAlignTime->SetTitle("FitAlignTime");
1598 fitAlignTime->SetAlignGlobalDelta(matrixDelta);
1599 fitAlignTime->SetAlignGlobal(matrixGlobal);
1601 AliTPCExBTwist * fitExBTwist= new AliTPCExBTwist;
1602 Int_t indexX=TStatToolkit::GetFitIndex(fstring,"ExBTwistX");
1603 Int_t indexY=TStatToolkit::GetFitIndex(fstring,"ExBTwistY");
1604 fitExBTwist->SetXTwist(0.001*paramC[indexX+1]); // 1 mrad twist in x
1605 fitExBTwist->SetYTwist(0.001*paramC[indexY+1]); // 1 mrad twist in x
1606 fitExBTwist->SetName("FitExBTwistTime");
1607 fitExBTwist->SetTitle("FitExBTwistTime");
1608 AliTPCParam *param= AliTPCcalibDB::Instance()->GetParameters();
1609 Double_t bzField=AliTrackerBase::GetBz();
1610 Double_t vdrift = param->GetDriftV()/1000000.; // [cm/us] // From dataBase: to be updated: per second (ideally)
1612 Double_t ezField = 400; // [V/cm] // to be updated: never (hopefully)
1613 Double_t wt = -10.0 * (bzField) * vdrift / ezField ;
1615 fitExBTwist->SetOmegaTauT1T2(wt,1,1);
1616 fitExBTwist->Init();
1618 AliTPCComposedCorrection *corrTime = new AliTPCComposedCorrection;
1619 TObjArray *arr = new TObjArray;
1620 corrTime->SetCorrections(arr);
1622 corrTime->GetCorrections()->Add(fitExBTwist);
1623 corrTime->GetCorrections()->Add(fitAlignTime);
1624 corrTime->SetName("FitCorrectionTime");
1625 corrTime->SetTitle("FitCorrectionTime");
1627 fitExBTwist->AddVisualCorrection((AliTPCExBTwist*)(fitExBTwist->Clone()),1001);
1628 fitAlignTime->AddVisualCorrection((AliTPCExBTwist*)(fitAlignTime->Clone()),1002);
1629 fitAlignTime->AddVisualCorrection((AliTPCExBTwist*)(corrTime->Clone()),1003);
1632 fAlignTree->SetAlias("ExBTwistTime","AliTPCPreprocessorOffline::EvalAt(phi,refX,theta,1001,ptype)+0");
1633 fAlignTree->SetAlias("AlignTime","AliTPCPreprocessorOffline::EvalAt(phi,refX,theta,1002,ptype)+0");
1634 fAlignTree->SetAlias("FitCorrectionTime","AliTPCPreprocessorOffline::EvalAt(phi,refX,theta,1003,ptype)+0");
1637 TFile *f = new TFile("fitITSVertex.root","update");
1638 corrTime->Write("FitCorrectionTime");