]> git.uio.no Git - u/mrichter/AliRoot.git/blobdiff - TPC/AliTPCPreprocessorOffline.cxx
code defect corrected
[u/mrichter/AliRoot.git] / TPC / AliTPCPreprocessorOffline.cxx
index 7b1809fd6fd9ccd27c1ee432a56bf0f793de8304..493ac5aeafea5fa94bd09cc07c0200aac6f4ca16 100644 (file)
   // results are stored at the ocdbPath - local or alien ...
   // default storage ""- data stored at current working directory 
  
+  e.g.
+  gSystem->Load("libANALYSIS");
+  gSystem->Load("libTPCcalib");
+  AliTPCPreprocessorOffline proces;
+  proces.CalibTimeGain("TPCMultObjects.root",114000,140040,0);
+  TFile oo("OCDB/TPC/Calib/TimeGain/Run114000_121040_v0_s0.root")
+  TObjArray * arr = AliCDBEntry->GetObject()
+  arr->At(4)->Draw("alp")
+
 */
 #include "Riostream.h"
 #include <fstream>
 #include "AliRelAlignerKalman.h"
 #include "AliTPCParamSR.h"
 #include "AliTPCcalibTimeGain.h"
+#include "AliTPCcalibGainMult.h"
 #include "AliSplineFit.h"
+#include "AliTPCComposedCorrection.h"
+#include "AliTPCExBTwist.h"
+#include "AliTPCCalibGlobalMisalignment.h"
+#include "TStatToolkit.h"
+#include "TChain.h"
+#include "TCut.h"
+#include "AliTrackerBase.h"
 #include "AliTPCPreprocessorOffline.h"
 
 
@@ -88,7 +105,10 @@ AliTPCPreprocessorOffline::AliTPCPreprocessorOffline():
   fFitCosmic(0),               // fit of dependence - Plateu
   fGainArray(new TObjArray),               // array to be stored in the OCDB
   fGainMIP(0),          // calibration component for MIP
-  fGainCosmic(0)       // calibration component for cosmic
+  fGainCosmic(0),       // calibration component for cosmic
+  fGainMult(0),
+  fAlignTree(0),        // alignment tree
+  fSwitchOnValidation(kFALSE) // flag to switch on validation of OCDB parameters
 {
   //
   // default constructor
@@ -157,7 +177,14 @@ void AliTPCPreprocessorOffline::CalibTimeVdrift(const Char_t* file, Int_t ustart
   //
   // 1. Initialization and run range setting
   TFile fcalib(file);
-  fTimeDrift=(AliTPCcalibTime*)fcalib.Get("calibTime");
+  TObjArray * array = (TObjArray*)fcalib.Get("TPCCalib");
+  if (array){
+    fTimeDrift = (AliTPCcalibTime *)array->FindObject("calibTime");
+  } else {
+    fTimeDrift = (AliTPCcalibTime*)fcalib.Get("calibTime");
+  }
+  if(!fTimeDrift) return;
+
   startRun=ustartRun;
   endRun=ustartRun; 
   TObjArray *hisArray =fTimeDrift->GetHistoDrift();  
@@ -180,12 +207,28 @@ void AliTPCPreprocessorOffline::CalibTimeVdrift(const Char_t* file, Int_t ustart
   // 3. Append QA plots
   //
   MakeDefaultPlots(fVdriftArray,fVdriftArray);
+
   //
+  // 4. validate OCDB entries
   //
-  // 4. update of OCDB
+  if(fSwitchOnValidation==kTRUE && ValidateTimeDrift()==kFALSE) { 
+    Printf("TPC time drift OCDB parameters out of range!");
+    return;
+  }
+  //
+  //4.b make alignment
+  //
+  MakeFitTime();
+  TFile * ftime= TFile::Open("fitITSVertex.root");
+  if (ftime){
+    TObject * alignmentTime=ftime->Get("FitCorrectionTime");
+    if (alignmentTime) fVdriftArray->AddLast(alignmentTime);
+  }
+  //
+  //
+  // 5. update of OCDB
   //
   //
-  
   UpdateOCDBDrift(ustartRun,uendRun,ocdbStorage);
 }
 
@@ -205,7 +248,48 @@ void AliTPCPreprocessorOffline::UpdateOCDBDrift( Int_t ustartRun, Int_t uendRun,
   gStorage->Put(fVdriftArray, (*id1), metaData);
 }
 
+Bool_t AliTPCPreprocessorOffline::ValidateTimeGain(Double_t minGain, Double_t maxGain)
+{
+  //
+  // Validate time gain corrections 
+  //
+  Printf("ValidateTimeGain..." );
 
+  TGraphErrors *gr = (TGraphErrors*)fGainArray->FindObject("TGRAPHERRORS_MEAN_GAIN_BEAM_ALL");
+  if(!gr) return kFALSE;
+  if(gr->GetN()<1) return kFALSE;
+
+  // check whether gain in the range
+  for(Int_t iPoint=0; iPoint<gr->GetN(); iPoint++) 
+  {
+    if(gr->GetY()[iPoint] < minGain || gr->GetY()[iPoint] > maxGain)  
+      return kFALSE;
+  }
+
+return kTRUE;
+}
+
+
+Bool_t AliTPCPreprocessorOffline::ValidateTimeDrift(Double_t maxVDriftCorr)
+{
+  //
+  // Validate time drift velocity corrections 
+  //
+  Printf("ValidateTimeDrift..." );
+
+  TGraphErrors* gr = (TGraphErrors*)fVdriftArray->FindObject("ALIGN_ITSB_TPC_DRIFTVD");
+  if(!gr) return kFALSE;
+  if(gr->GetN()<1) return kFALSE;
+
+  // check whether drift velocity corrections in the range
+  for(Int_t iPoint = 0; iPoint<gr->GetN(); iPoint++) 
+  {
+    if(TMath::Abs(gr->GetY()[iPoint]) > maxVDriftCorr)  
+      return kFALSE;
+  }
+
+return kTRUE;
+}
 
 void AliTPCPreprocessorOffline::UpdateDriftParam(AliTPCParam *param, TObjArray *const arr, Int_t lstartRun){
   //
@@ -313,6 +397,10 @@ TGraphErrors* AliTPCPreprocessorOffline::FilterGraphMedianAbs(TGraphErrors * gra
   }
   TGraphErrors *graphOut=0;
   if (npoints>1) graphOut= new TGraphErrors(npoints,outx,outy,errx,erry); 
+  delete []outx;
+  delete []outy;
+  delete []errx;
+  delete []erry;
   return graphOut;
 }
 
@@ -351,14 +439,16 @@ void AliTPCPreprocessorOffline::AddHistoGraphs(  TObjArray * vdriftArray, AliTPC
        continue;
       }
       //
-      graph->SetMarkerStyle(i%8+20);
-      graph->SetMarkerColor(i%7);
-      graph->GetXaxis()->SetTitle("Time");
-      graph->GetYaxis()->SetTitle("v_{dcor}");
-      graph->SetName(graphName);
-      graph->SetTitle(graphName);
-      printf("Graph %d\t=\t%s\n", i, graphName.Data());
-      vdriftArray->Add(graph);
+      if (graph){
+        graph->SetMarkerStyle(i%8+20);
+        graph->SetMarkerColor(i%7);
+        graph->GetXaxis()->SetTitle("Time");
+        graph->GetYaxis()->SetTitle("v_{dcor}");
+        graph->SetName(graphName);
+        graph->SetTitle(graphName);
+        printf("Graph %d\t=\t%s\n", i, graphName.Data());
+        vdriftArray->Add(graph);
+      }
     }
   }
 }
@@ -512,7 +602,7 @@ TGraphErrors * AliTPCPreprocessorOffline::MakeGraphFilter0(THnSparse *hisN, Int_
   hisN->GetAxis(itime)->SetRange(firstBinA,lastBinA);
   hisN->GetAxis(ival)->SetRange(firstBinV,lastBinV);
   Int_t entries=0;
-  for (Int_t ibin=firstBinA; ibin<lastBinA; ibin++){
+  for (Int_t ibin=firstBinA; ibin<=lastBinA; ibin++){
     Double_t cont = hisT->GetBinContent(ibin);
     if (cont<minEntries) continue;
     entries++;
@@ -523,10 +613,16 @@ TGraphErrors * AliTPCPreprocessorOffline::MakeGraphFilter0(THnSparse *hisN, Int_
   TVectorD vecMean1(entries);
   TVectorD vecRMS1(entries);
   entries=0;
-  {for (Int_t ibin=firstBinA; ibin<=lastBinA; ibin++){
+  for (Int_t ibin=firstBinA; ibin<=lastBinA; ibin++){
       Double_t cont = hisT->GetBinContent(ibin);
       if (cont<minEntries) continue;
-      hisN->GetAxis(itime)->SetRange(ibin-1,ibin+1);
+      //hisN->GetAxis(itime)->SetRange(ibin-1,ibin+1);
+      Int_t minBin = ibin-1;
+      Int_t maxBin = ibin+1;
+      if(minBin <= 0) minBin = 1;
+      if(maxBin >= hisN->GetAxis(itime)->GetNbins()) maxBin = hisN->GetAxis(itime)->GetNbins()-1;
+      hisN->GetAxis(itime)->SetRange(minBin,maxBin);
+      
       Double_t time = hisT->GetBinCenter(ibin);
       TH1 * his = hisN->Projection(ival);
       Double_t nentries0= his->GetBinContent(his->FindBin(0));
@@ -540,7 +636,7 @@ TGraphErrors * AliTPCPreprocessorOffline::MakeGraphFilter0(THnSparse *hisN, Int_
       vecRMS1[entries] =his->GetRMSError();
       delete his;  
       entries++;
-    }}
+  }
   delete hisT;
   delete hisV;
   TGraphErrors * graph =  new TGraphErrors(entries,vecTime.GetMatrixArray(), vecMean0.GetMatrixArray(),                                           0, vecMean1.GetMatrixArray());
@@ -591,7 +687,7 @@ void AliTPCPreprocessorOffline::SetPadStyle(TPad *pad, Float_t mx0, Float_t mx1,
 }
 
 
-void AliTPCPreprocessorOffline::MakeDefaultPlots(TObjArray * const arr, TObjArray *picArray){
+void AliTPCPreprocessorOffline::MakeDefaultPlots(TObjArray * const arr, TObjArray * /*picArray*/){
   //
   // 0. make a default QA plots
   // 1. Store them in the array
@@ -630,10 +726,10 @@ void AliTPCPreprocessorOffline::MakeDefaultPlots(TObjArray * const arr, TObjArra
     legend->AddEntry(laserA,"Laser A side");
     legend->AddEntry(laserC,"Laser C side");
     legend->Draw();    
-    picArray->AddLast(pad);
+    //picArray->AddLast(pad);
   }
 
-  if (itstpcP&&itstpcM){
+  if (itstpcP&&itstpcM&&itstpcB){
     pad = new TCanvas("ITSTPC","ITSTPC");
     itstpcP->Draw("alp");
     SetPadStyle(pad,mx0,mx1,my0,my1);    
@@ -647,10 +743,10 @@ void AliTPCPreprocessorOffline::MakeDefaultPlots(TObjArray * const arr, TObjArra
     legend->AddEntry(itstpcM,"ITS-TPC smooth minus");
     legend->AddEntry(itstpcB,"ITS-TPC smooth ");
     legend->Draw();    
-    picArray->AddLast(pad);
+    //picArray->AddLast(pad);
   }
 
-  if (itstpcB&&laserA){
+  if (itstpcB&&laserA&&itstpcP&&itstpcM){
     pad = new TCanvas("ITSTPC_LASER","ITSTPC_LASER");
     SetPadStyle(pad,mx0,mx1,my0,my1);    
     laserA->Draw("alp");
@@ -663,7 +759,7 @@ void AliTPCPreprocessorOffline::MakeDefaultPlots(TObjArray * const arr, TObjArra
     legend->AddEntry(itstpcM,"ITS-TPC smooth minus");   
     legend->AddEntry(itstpcB,"ITS-TPC smooth ");
     legend->Draw();
-    picArray->AddLast(pad);
+    //picArray->AddLast(pad);
   }
 
   if (itstpcP&&cross){ 
@@ -679,7 +775,7 @@ void AliTPCPreprocessorOffline::MakeDefaultPlots(TObjArray * const arr, TObjArra
     legend->AddEntry(cross,"TPC cross tracks");
     legend->AddEntry(itstpcB,"ITS-TPC smooth");
     legend->Draw();        
-    picArray->AddLast(pad);
+    //picArray->AddLast(pad);
   }
   if (itstpcP&&cosmic){ 
     pad = new TCanvas("ITSTPC_COSMIC","ITSTPC_COSMIC");
@@ -694,7 +790,7 @@ void AliTPCPreprocessorOffline::MakeDefaultPlots(TObjArray * const arr, TObjArra
     legend->AddEntry(cosmic,"TPC cross tracks0 up-down");
     legend->AddEntry(itstpcB,"ITS-TPC smooth");
     legend->Draw();        
-    picArray->AddLast(pad);
+    //picArray->AddLast(pad);
   }
 }
 
@@ -705,16 +801,38 @@ void AliTPCPreprocessorOffline::CalibTimeGain(const Char_t* fileName, Int_t star
   //
   // Update OCDB gain
   //
+  if (pocdbStorage.Length()==0) pocdbStorage+="local://"+gSystem->GetFromPipe("pwd")+"/OCDB";
+
+  //
+  // 1. Read gain values
+  //
   ReadGainGlobal(fileName);
+
+  //
+  // 2. Extract calibration values
+  //
   AnalyzeGain(startRunNumber,endRunNumber, 1000,1.43);
   AnalyzeAttachment(startRunNumber,endRunNumber);
+  AnalyzePadRegionGain();
+  AnalyzeGainMultiplicity();
+  //
+  // 3. Make control plots
+  //
   MakeQAPlot(1.43);  
-  if (pocdbStorage.Length()==0) pocdbStorage+="local://"+gSystem->GetFromPipe("pwd")+"/OCDB";
-  UpdateOCDBGain( startRunNumber, endRunNumber, pocdbStorage.Data());
-}
-
 
+  //
+  // 4. validate OCDB entries
+  //
+  if(fSwitchOnValidation==kTRUE && ValidateTimeGain()==kFALSE) { 
+    Printf("TPC time gain OCDB parameters out of range!");
+    return;
+  }
 
+  //
+  // 5. Update OCDB
+  //
+  UpdateOCDBGain( startRunNumber, endRunNumber, pocdbStorage.Data());
+}
 
 void AliTPCPreprocessorOffline::ReadGainGlobal(const Char_t* fileName){
   //
@@ -725,9 +843,15 @@ void AliTPCPreprocessorOffline::ReadGainGlobal(const Char_t* fileName){
   if (array){
     fGainMIP    = ( AliTPCcalibTimeGain *)array->FindObject("calibTimeGain");
     fGainCosmic = ( AliTPCcalibTimeGain *)array->FindObject("calibTimeGainCosmic");
+    fGainMult   = ( AliTPCcalibGainMult *)array->FindObject("calibGainMult");
   }else{
     fGainMIP    = ( AliTPCcalibTimeGain *)fcalib.Get("calibTimeGain");
     fGainCosmic = ( AliTPCcalibTimeGain *)fcalib.Get("calibTimeGainCosmic");
+    fGainMult   = ( AliTPCcalibGainMult *)fcalib.Get("calibGainMult");
+  }
+  if (!fGainMult){
+    TFile fcalibMult("TPCMultObjects.root");
+    fGainMult   = ( AliTPCcalibGainMult *)fcalibMult.Get("calibGainMult");
   }
   TH1 * hisT=0;
   Int_t firstBinA =0, lastBinA=0;
@@ -756,20 +880,24 @@ Bool_t AliTPCPreprocessorOffline::AnalyzeGain(Int_t startRunNumber, Int_t endRun
   //
   // Analyze gain - produce the calibration graphs
   //
-  fGainMIP->GetHistGainTime()->GetAxis(5)->SetRangeUser(startRunNumber, endRunNumber);
+
   // 1.) try to create MIP spline
-  fGainMIP->GetHistGainTime()->GetAxis(2)->SetRangeUser(1.51,2.49); // only beam data
-  fGainMIP->GetHistGainTime()->GetAxis(4)->SetRangeUser(0.39,0.51); // only MIP pions
-  //
-  fGraphMIP = AliTPCcalibBase::FitSlices(fGainMIP->GetHistGainTime(),0,1,minEntriesGaussFit,10,0.1,0.7);
-  if (fGraphMIP->GetN()==0) fGraphMIP = 0x0;
-  if (fGraphMIP) fFitMIP = AliTPCcalibTimeGain::MakeSplineFit(fGraphMIP);
-  if (fGraphMIP) fGraphMIP->SetName("TGRAPHERRORS_MEAN_GAIN_BEAM_ALL");// set proper names according to naming convention
-  fGainArray->AddAt(fFitMIP,0);
-  
+  if (fGainMIP) 
+  {
+    fGainMIP->GetHistGainTime()->GetAxis(5)->SetRangeUser(startRunNumber, endRunNumber);
+    fGainMIP->GetHistGainTime()->GetAxis(2)->SetRangeUser(1.51,2.49); // only beam data
+    fGainMIP->GetHistGainTime()->GetAxis(4)->SetRangeUser(0.39,0.51); // only MIP pions
+    //
+    fGraphMIP = AliTPCcalibBase::FitSlices(fGainMIP->GetHistGainTime(),0,1,minEntriesGaussFit,10,0.1,0.7);
+    if (fGraphMIP->GetN()==0) fGraphMIP = 0x0;
+    if (fGraphMIP) fFitMIP = AliTPCcalibTimeGain::MakeSplineFit(fGraphMIP);
+    if (fGraphMIP) fGraphMIP->SetName("TGRAPHERRORS_MEAN_GAIN_BEAM_ALL");// set proper names according to naming convention
+    fGainArray->AddAt(fFitMIP,0);
+  } 
 
   // 2.) try to create Cosmic spline
-  if (fGainCosmic){
+  if (fGainCosmic)
+  {
     fGainCosmic->GetHistGainTime()->GetAxis(2)->SetRangeUser(0.51,1.49); // only cosmics
     fGainCosmic->GetHistGainTime()->GetAxis(4)->SetRangeUser(20,100);    // only Fermi-Plateau muons
     //
@@ -795,16 +923,20 @@ Bool_t AliTPCPreprocessorOffline::AnalyzeGain(Int_t startRunNumber, Int_t endRun
 
 }
 
-
 Bool_t AliTPCPreprocessorOffline::AnalyzeAttachment(Int_t startRunNumber, Int_t endRunNumber, Int_t minEntriesFit) {
   //
   // determine slope as a function of mean driftlength
   //
+  if(!fGainMIP) return kFALSE;
+
   fGainMIP->GetHistGainTime()->GetAxis(5)->SetRangeUser(startRunNumber, endRunNumber);
   //
   fGainMIP->GetHistGainTime()->GetAxis(2)->SetRangeUser(1.51,2.49); // only beam data
   fGainMIP->GetHistGainTime()->GetAxis(4)->SetRangeUser(0.39,0.51); // only MIP pions
   //
+  fGainMIP->GetHistGainTime()->GetAxis(3)->SetRangeUser(125,250);// only full tracking region (driftlength)
+  fGainMIP->GetHistGainTime()->GetAxis(0)->SetRangeUser(1.5,3.5);// only full tracking region (driftlength)
+  //
   TH3D * hist = fGainMIP->GetHistGainTime()->Projection(1, 0, 3);
   //
   Double_t *xvec = new Double_t[hist->GetNbinsX()];
@@ -817,7 +949,7 @@ Bool_t AliTPCPreprocessorOffline::AnalyzeAttachment(Int_t startRunNumber, Int_t
     Int_t nsum=0;
     Int_t imin   =  i;
     Int_t imax   =  i;    
-    for (Int_t idelta=0; idelta<10; idelta++){
+    for (Int_t idelta=0; idelta<5; idelta++){
       //
       imin   =  TMath::Max(i-idelta,1);
       imax   =  TMath::Min(i+idelta,hist->GetNbinsX());
@@ -827,25 +959,30 @@ Bool_t AliTPCPreprocessorOffline::AnalyzeAttachment(Int_t startRunNumber, Int_t
     }
     if (nsum<minEntriesFit) continue;
     //
-    fGainMIP->GetHistGainTime()->GetAxis(1)->SetRangeUser(hist->GetXaxis()->GetBinCenter(imin),hist->GetXaxis()->GetBinCenter(imax)); // define time range
-    TGraphErrors * driftDep = AliTPCcalibBase::FitSlices(fGainMIP->GetHistGainTime(),0,3,100,10,0.1,0.7);
-    if (driftDep->GetN() < 4) {
+    fGainMIP->GetHistGainTime()->GetAxis(1)->SetRangeUser(hist->GetXaxis()->GetBinCenter(imin-1),hist->GetXaxis()->GetBinCenter(imax+1)); // define time range
+    TH2D * histZdep = fGainMIP->GetHistGainTime()->Projection(0,3);
+    TObjArray arr;
+    histZdep->FitSlicesY(0,0,-1,0,"QNR",&arr);
+    TH1D * driftDep = (TH1D*)arr.At(1);
+    delete histZdep;
+    //TGraphErrors * driftDep = AliTPCcalibBase::FitSlices(fGainMIP->GetHistGainTime(),0,3,100,1,0.,1);
+    /*if (driftDep->GetN() < 4) {
       delete driftDep;
-         continue;
-    }
+      continue;
+      }*/
     //
-    TObjArray arr;
+    //TObjArray arr;
     //
-    TF1 pol1("polynom1","pol1",10,240);
+    TF1 pol1("polynom1","pol1",125,240);
     //driftDep->Fit(&pol1,"QNRROB=0.8");
     driftDep->Fit(&pol1,"QNR");
-    xvec[counter] = 0.5*(hist->GetXaxis()->GetBinCenter(imin)+hist->GetXaxis()->GetBinCenter(imax));
+    xvec[counter] = 0.5*(hist->GetXaxis()->GetBinCenter(imin-1)+hist->GetXaxis()->GetBinCenter(imax+1));
     yvec[counter] = pol1.GetParameter(1)/pol1.GetParameter(0);
-    xerr[counter] = 0;
+    xerr[counter] = hist->GetXaxis()->GetBinCenter(imax+1)-hist->GetXaxis()->GetBinCenter(imin-1);
     yerr[counter] = pol1.GetParError(1)/pol1.GetParameter(0);
     counter++;
     //
-    delete driftDep;
+    //delete driftDep;
   }
   //
   fGraphAttachmentMIP = new TGraphErrors(counter, xvec, yvec, xerr, yerr);
@@ -860,10 +997,127 @@ Bool_t AliTPCPreprocessorOffline::AnalyzeAttachment(Int_t startRunNumber, Int_t
   //
   if (counter < 1) return kFALSE;
   return kTRUE;
+
 }
 
 
+Bool_t AliTPCPreprocessorOffline::AnalyzePadRegionGain(){
+  //
+  // Analyze gain for different pad regions - produce the calibration graphs 0,1,2
+  //
+  if (fGainMult) 
+  {
+    TH2D * histQmax = (TH2D*) fGainMult->GetHistPadEqual()->Projection(0,2);
+    TH2D * histQtot = (TH2D*) fGainMult->GetHistPadEqual()->Projection(1,2);
+    //
+    TObjArray arr;
+    histQmax->FitSlicesY(0,0,-1,0,"QNR",&arr);
+    Double_t xMax[3] = {0,1,2};
+    Double_t yMax[3]    = {((TH1D*)arr.At(1))->GetBinContent(1),
+                          ((TH1D*)arr.At(1))->GetBinContent(2),
+                          ((TH1D*)arr.At(1))->GetBinContent(3)};
+    Double_t yMaxErr[3] = {((TH1D*)arr.At(1))->GetBinError(1),
+                          ((TH1D*)arr.At(1))->GetBinError(2),
+                          ((TH1D*)arr.At(1))->GetBinError(3)};
+    TGraphErrors * fitPadRegionQmax = new TGraphErrors(3, xMax, yMax, 0, yMaxErr);
+    //
+    histQtot->FitSlicesY(0,0,-1,0,"QNR",&arr);
+    Double_t xTot[3] = {0,1,2};
+    Double_t yTot[3]    = {((TH1D*)arr.At(1))->GetBinContent(1),
+                          ((TH1D*)arr.At(1))->GetBinContent(2),
+                          ((TH1D*)arr.At(1))->GetBinContent(3)};
+    Double_t yTotErr[3] = {((TH1D*)arr.At(1))->GetBinError(1),
+                          ((TH1D*)arr.At(1))->GetBinError(2),
+                          ((TH1D*)arr.At(1))->GetBinError(3)};
+    TGraphErrors * fitPadRegionQtot = new TGraphErrors(3, xTot, yTot, 0, yTotErr);
+    //
+    fitPadRegionQtot->SetName("TGRAPHERRORS_MEANQTOT_PADREGIONGAIN_BEAM_ALL");// set proper names according to naming convention
+    fitPadRegionQmax->SetName("TGRAPHERRORS_MEANQMAX_PADREGIONGAIN_BEAM_ALL");// set proper names according to naming convention
+    //
+    fGainArray->AddLast(fitPadRegionQtot);
+    fGainArray->AddLast(fitPadRegionQmax);
+    return kTRUE;
+  } 
+  return kFALSE;
 
+}
+
+
+Bool_t AliTPCPreprocessorOffline::AnalyzeGainMultiplicity() {
+  //
+  // Analyze gain as a function of multiplicity and produce calibration graphs
+  //
+  if (!fGainMult) return kFALSE;
+  fGainMult->GetHistGainMult()->GetAxis(3)->SetRangeUser(3,3);
+  TH2D * histMultMax = fGainMult->GetHistGainMult()->Projection(0,4);
+  TH2D * histMultTot = fGainMult->GetHistGainMult()->Projection(1,4);
+  histMultMax->RebinX(4);
+  histMultTot->RebinX(4);
+  //
+  TObjArray arrMax;
+  TObjArray arrTot;
+  histMultMax->FitSlicesY(0,0,-1,0,"QNR",&arrMax);
+  histMultTot->FitSlicesY(0,0,-1,0,"QNR",&arrTot);
+  //
+  TH1D * meanMax = (TH1D*)arrMax.At(1);
+  TH1D * meanTot = (TH1D*)arrTot.At(1);
+  Float_t meanMult = histMultMax->GetMean();
+  if(meanMax->GetBinContent(meanMax->FindBin(meanMult))) {
+    meanMax->Scale(1./meanMax->GetBinContent(meanMax->FindBin(meanMult)));
+  }
+  else {
+   return kFALSE;
+  }
+  if(meanTot->GetBinContent(meanTot->FindBin(meanMult))) {
+    meanTot->Scale(1./meanTot->GetBinContent(meanTot->FindBin(meanMult)));
+  }
+  else {
+   return kFALSE;
+  }
+  Float_t xMultMax[50];
+  Float_t yMultMax[50];
+  Float_t yMultErrMax[50];
+  Float_t xMultTot[50];
+  Float_t yMultTot[50];
+  Float_t yMultErrTot[50];
+  //
+  Int_t nCountMax = 0;
+  for(Int_t iBin = 1; iBin < meanMax->GetXaxis()->GetNbins(); iBin++) {
+    Float_t yValMax = meanMax->GetBinContent(iBin);
+    if (yValMax < 0.7) continue;
+    if (yValMax > 1.3) continue;
+    if (meanMax->GetBinError(iBin)/yValMax > 0.01) continue;
+    xMultMax[nCountMax] = meanMax->GetXaxis()->GetBinCenter(iBin);
+    yMultMax[nCountMax] = yValMax;
+    yMultErrMax[nCountMax] = meanMax->GetBinError(iBin);
+    nCountMax++;
+  }
+  //
+  if (nCountMax < 10) return kFALSE;
+  TGraphErrors * fitMultMax = new TGraphErrors(nCountMax, xMultMax, yMultMax, 0, yMultErrMax);
+  fitMultMax->SetName("TGRAPHERRORS_MEANQMAX_MULTIPLICITYDEPENDENCE_BEAM_ALL");
+  //
+  Int_t nCountTot = 0;
+  for(Int_t iBin = 1; iBin < meanTot->GetXaxis()->GetNbins(); iBin++) {
+    Float_t yValTot = meanTot->GetBinContent(iBin);
+    if (yValTot < 0.1) continue;
+    if (meanTot->GetBinError(iBin)/yValTot > 0.1) continue;
+    xMultTot[nCountTot] = meanTot->GetXaxis()->GetBinCenter(iBin);
+    yMultTot[nCountTot] = yValTot;
+    yMultErrTot[nCountTot] = meanTot->GetBinError(iBin);
+    nCountTot++;
+  }
+  //
+  if (nCountTot < 10) return kFALSE;
+  TGraphErrors *  fitMultTot = new TGraphErrors(nCountTot, xMultTot, yMultTot, 0, yMultErrTot);
+  fitMultTot->SetName("TGRAPHERRORS_MEANQTOT_MULTIPLICITYDEPENDENCE_BEAM_ALL");
+  //
+  fGainArray->AddLast(fitMultMax);
+  fGainArray->AddLast(fitMultTot);
+  //
+  return kTRUE;
+
+}
 
 
 void AliTPCPreprocessorOffline::UpdateOCDBGain(Int_t startRunNumber, Int_t endRunNumber, const Char_t *storagePath){
@@ -912,7 +1166,7 @@ void AliTPCPreprocessorOffline::MakeQAPlot(Float_t  FPtoMIPratio) {
     grfFitCosmic->SetLineColor(2);
     grfFitCosmic->Draw("lu");
     fGainArray->AddLast(gainHistoCosmic);
-    fGainArray->AddLast(canvasCosmic->Clone());
+    //fGainArray->AddLast(canvasCosmic->Clone());
     delete canvasCosmic;    
   }
   if (fFitMIP) {
@@ -930,10 +1184,326 @@ void AliTPCPreprocessorOffline::MakeQAPlot(Float_t  FPtoMIPratio) {
     grfFitMIP->SetLineColor(2);
     grfFitMIP->Draw("lu");    
     fGainArray->AddLast(gainHistoMIP);
-    fGainArray->AddLast(canvasMIP->Clone());
+    //fGainArray->AddLast(canvasMIP->Clone());
     delete canvasMIP;    
   }  
 }
 
+void AliTPCPreprocessorOffline::MakeFitTime(){
+  //
+  // mak aligment fit - store results in the file
+  //
+  const Int_t kMinEntries=1000;
+  MakeChainTime();
+  MakePrimitivesTime();
+  if (!fAlignTree) return;
+  if (fAlignTree->GetEntries()<kMinEntries) return;
+  fAlignTree->SetAlias("ptype","type");
+  fAlignTree->SetAlias("hasITS","(1+0)");
+  fAlignTree->SetAlias("dITS","1-2*(refX<40)");
+  fAlignTree->SetAlias("isITS","refX>10");
+  fAlignTree->SetAlias("isVertex","refX<10");
+  // 
+  Int_t  npointsMax=30000000;
+  TStatToolkit toolkit;
+  Double_t chi2=0;
+  Int_t    npoints=0;
+  TVectorD param;
+  TMatrixD covar;
+
+  TString fstringFast="";
+  fstringFast+="FExBTwistX++";
+  fstringFast+="FExBTwistY++";
+  fstringFast+="FAlignRot0D++";
+  fstringFast+="FAlignTrans0D++";
+  fstringFast+="FAlignTrans1D++";
+  //
+  fstringFast+="hasITS*FAlignTrans0++";
+  fstringFast+="hasITS*FAlignTrans1++";
+  fstringFast+="hasITS*FAlignRot0++";
+  fstringFast+="hasITS*FAlignRot1++";
+  fstringFast+="hasITS*FAlignRot2++";
+  //
+  fstringFast+="dITS*FAlignTrans0++";
+  fstringFast+="dITS*FAlignTrans1++";
+  fstringFast+="dITS*FAlignRot0++";
+  fstringFast+="dITS*FAlignRot1++";
+  fstringFast+="dITS*FAlignRot2++";
+  
+  TCut cutFit="entries>10&&abs(mean)>0.00001";
+  fAlignTree->SetAlias("err","rms");
+
+  TString *strDeltaITS = TStatToolkit::FitPlaneConstrain(fAlignTree,"mean:err", fstringFast.Data(),cutFit, chi2,npoints,param,covar,-1,0, npointsMax, 1);
+  strDeltaITS->Tokenize("++")->Print();
+  fAlignTree->SetAlias("fitYFast",strDeltaITS->Data());
+  // 
+  TVectorD paramC= param;
+  TMatrixD covarC= covar;
+  TStatToolkit::Constrain1D(fstringFast,"Trans0D",paramC,covarC,0, 0.1);
+  TStatToolkit::Constrain1D(fstringFast,"Trans1D",paramC,covarC,0, 0.1);
+  TStatToolkit::Constrain1D(fstringFast,"TwistX",paramC,covarC,0, 0.1);
+  TStatToolkit::Constrain1D(fstringFast,"TwistY",paramC,covarC,0, 0.1);
+  TString strFitConst=TStatToolkit::MakeFitString(fstringFast, paramC,covar);
+  fAlignTree->SetAlias("fitYFastC",strFitConst.Data());
+  CreateAlignTime(fstringFast,paramC);
+
+
+}
+
+
+void AliTPCPreprocessorOffline::MakeChainTime(){
+  //
+  TFile f("TPCTimeObjects.root");
+  //  const char *cdtype[7]={"ITS","TRD","Vertex","TOF","TPC","TPC0","TPC1"};
+  //const char *cptype[5]={"dy","dz","dsnp","dtheta","d1pt"}; 
+  const char * hname[5]={"dy","dz","dsnp","dtheta","d1pt"};
+  Int_t run=0;
+  AliTPCcalibTime  *calibTime= (AliTPCcalibTime*) f.Get("calibTime");
+  if (!calibTime) return;
+  TTreeSRedirector *pcstream = new TTreeSRedirector("meanITSVertex.root");
+  Int_t ihis=0;
+  THnSparse *his = calibTime->GetResHistoTPCITS(ihis);
+  if (his){
+    his->GetAxis(1)->SetRangeUser(-1.1,1.1);
+    his->GetAxis(2)->SetRange(0,1000000);
+    his->GetAxis(3)->SetRangeUser(-0.35,0.35);
+    AliTPCCorrection::MakeDistortionMap(his,pcstream, Form("ITS%s",hname[ihis]),run,85.,ihis,5);
+  }
+  ihis=2;
+  his = calibTime->GetResHistoTPCITS(ihis);
+  if (his){
+    his->GetAxis(1)->SetRangeUser(-1.1,1.1);
+    his->GetAxis(2)->SetRange(0,1000000);
+    his->GetAxis(3)->SetRangeUser(-0.35,0.35);
+    AliTPCCorrection::MakeDistortionMap(his,pcstream, Form("ITS%s",hname[ihis]),run,85.,ihis,5);
+  }
+  ihis=0;
+  his = calibTime->GetResHistoTPCvertex(ihis);
+  if (his){
+    his->GetAxis(1)->SetRangeUser(-1.1,1.1);
+    his->GetAxis(2)->SetRange(0,1000000);
+    his->GetAxis(3)->SetRangeUser(-0.35,0.35);
+    AliTPCCorrection::MakeDistortionMap(his,pcstream, Form("Vertex%s",hname[ihis]),run,0.,ihis,5);
+  }
+  ihis=2;
+  his = calibTime->GetResHistoTPCvertex(ihis);
+  if (his){
+    his->GetAxis(1)->SetRangeUser(-1.1,1.1);
+    his->GetAxis(2)->SetRange(0,1000000);
+    his->GetAxis(3)->SetRangeUser(-0.35,0.35);
+    AliTPCCorrection::MakeDistortionMap(his,pcstream, Form("Vertex%s",hname[ihis]),run,0.,ihis,5);
+
+  }
+  delete pcstream;
+}
+
+
+Double_t AliTPCPreprocessorOffline::EvalAt(Double_t phi, Double_t refX, Double_t theta, Int_t corr, Int_t ptype){
+  //
+  //
+  //
+  Double_t sector = 9*phi/TMath::Pi();
+  if (sector<0) sector+=18;
+  Double_t y85=AliTPCCorrection::GetCorrSector(sector,85,theta,1,corr);
+  Double_t y245=AliTPCCorrection::GetCorrSector(sector,245,theta,1,corr);
+  if (ptype==0) return y85+(y245-y85)*(refX-85.)/(245.-85.);
+  if (ptype==2) return (y245-y85)/(245.-85.);
+  return 0;
+}
+
+
+
+void AliTPCPreprocessorOffline::MakePrimitivesTime(){
+  //
+  // Create primitive transformation to fit
+  //
+  fAlignTree=new TChain("fit","fit");
+  fAlignTree->AddFile("meanITSVertex.root",10000000,"ITSdy");
+  fAlignTree->AddFile("meanITSVertex.root",10000000,"ITSdsnp");
+  fAlignTree->AddFile("meanITSVertex.root",10000000,"Vertexdy");
+  fAlignTree->AddFile("meanITSVertex.root",10000000,"Vertexdsnp");
+  // 
+  AliTPCParam *param= AliTPCcalibDB::Instance()->GetParameters();
+  Double_t bzField=AliTrackerBase::GetBz(); 
+  Double_t vdrift = param->GetDriftV()/1000000.; // [cm/us]   // From dataBase: to be updated: per second (ideally)
+  Double_t ezField = 400; // [V/cm]   // to be updated: never (hopefully)
+  Double_t wtP = -10.0 * (bzField) * vdrift /  ezField ; 
+  AliTPCExBTwist *fitExBTwistX= new  AliTPCExBTwist;
+  AliTPCExBTwist *fitExBTwistY= new  AliTPCExBTwist;
+  AliTPCCalibGlobalMisalignment *trans0   =new  AliTPCCalibGlobalMisalignment;
+  AliTPCCalibGlobalMisalignment *trans1   =new  AliTPCCalibGlobalMisalignment;
+  AliTPCCalibGlobalMisalignment *trans0D  =new  AliTPCCalibGlobalMisalignment;
+  AliTPCCalibGlobalMisalignment *trans1D  =new  AliTPCCalibGlobalMisalignment;
+  AliTPCCalibGlobalMisalignment *rot0     =new  AliTPCCalibGlobalMisalignment;
+  AliTPCCalibGlobalMisalignment *rot1     =new  AliTPCCalibGlobalMisalignment;
+  AliTPCCalibGlobalMisalignment *rot2     =new  AliTPCCalibGlobalMisalignment;
+  AliTPCCalibGlobalMisalignment *rot3     =new  AliTPCCalibGlobalMisalignment;
+  //
+  //
+  fitExBTwistX->SetXTwist(0.001);
+  fitExBTwistX->SetOmegaTauT1T2(wtP,1,1);  
+  //
+  fitExBTwistY->SetYTwist(0.001);
+  fitExBTwistY->SetOmegaTauT1T2(wtP,1,1);  
+  //
+  TGeoHMatrix *matrixRot = new TGeoHMatrix; 
+  TGeoHMatrix *matrixX = new TGeoHMatrix; 
+  TGeoHMatrix *matrixY = new TGeoHMatrix; 
+  matrixX->SetDx(0.1);
+  matrixY->SetDy(0.1);
+  Double_t rotAngles0[9]={0};
+  Double_t rotAngles1[9]={0};
+  Double_t rotAngles2[9]={0};
+  //
+  Double_t rotAngles3[9]={0};
+
+  rotAngles0[0]=1; rotAngles0[4]=1; rotAngles0[8]=1;
+  rotAngles1[0]=1; rotAngles1[4]=1; rotAngles1[8]=1;
+  rotAngles2[0]=1; rotAngles2[4]=1; rotAngles2[8]=1;
+  rotAngles3[0]=1; rotAngles3[4]=1; rotAngles3[8]=1;
+
+  rotAngles0[1]=-0.001;rotAngles0[3]=0.001;
+  rotAngles1[5]=-0.001;rotAngles1[7]=0.001;
+  rotAngles2[2]=0.001;rotAngles2[6]=-0.001;
+  rotAngles3[1]=0.001;rotAngles3[3]=-0.001;
+  matrixRot->SetRotation(rotAngles0);
+  rot0->SetAlignGlobal(matrixRot);
+  matrixRot->SetRotation(rotAngles1);
+  rot1->SetAlignGlobal(matrixRot);
+  matrixRot->SetRotation(rotAngles2);
+  rot2->SetAlignGlobal(matrixRot); 
+  matrixRot->SetRotation(rotAngles3);
+  rot3->SetAlignGlobalDelta(matrixRot); 
+  //
+  trans0->SetAlignGlobal(matrixX);
+  trans1->SetAlignGlobal(matrixY);
+  trans0D->SetAlignGlobalDelta(matrixX);
+  trans1D->SetAlignGlobalDelta(matrixY);
+  fitExBTwistX->Init();
+  fitExBTwistY->Init();
+  //
+  fitExBTwistX->AddVisualCorrection((AliTPCExBTwist*)(fitExBTwistX->Clone()),100);
+  fitExBTwistY->AddVisualCorrection((AliTPCExBTwist*)(fitExBTwistY->Clone()),101);
+  //
+  fitExBTwistX->AddVisualCorrection((AliTPCExBTwist*)(rot0->Clone()),102);
+  fitExBTwistY->AddVisualCorrection((AliTPCExBTwist*)(rot1->Clone()),103);
+  fitExBTwistX->AddVisualCorrection((AliTPCExBTwist*)(rot2->Clone()),104);
+  fitExBTwistX->AddVisualCorrection((AliTPCExBTwist*)(rot3->Clone()),105);
+
+  fitExBTwistX->AddVisualCorrection((AliTPCExBTwist*)(trans0->Clone()),106);
+  fitExBTwistX->AddVisualCorrection((AliTPCExBTwist*)(trans1->Clone()),107);
+  fitExBTwistX->AddVisualCorrection((AliTPCExBTwist*)(trans0D->Clone()),108);
+  fitExBTwistX->AddVisualCorrection((AliTPCExBTwist*)(trans1D->Clone()),109);
+  //
+  fAlignTree->SetAlias("FExBTwistX", "AliTPCPreprocessorOffline::EvalAt(phi,refX,theta,100,ptype)+0");
+  fAlignTree->SetAlias("FExBTwistY","AliTPCPreprocessorOffline::EvalAt(phi,refX,theta,101,ptype)+0");
+  fAlignTree->SetAlias("FAlignRot0","AliTPCPreprocessorOffline::EvalAt(phi,refX,theta,102,ptype)+0");
+  fAlignTree->SetAlias("FAlignRot0D","AliTPCPreprocessorOffline::EvalAt(phi,refX,theta,105,ptype)+0");
+  fAlignTree->SetAlias("FAlignRot1","AliTPCPreprocessorOffline::EvalAt(phi,refX,theta,103,ptype)+0");
+  fAlignTree->SetAlias("FAlignRot2","AliTPCPreprocessorOffline::EvalAt(phi,refX,theta,104,ptype)+0");
+  fAlignTree->SetAlias("FAlignTrans0","AliTPCPreprocessorOffline::EvalAt(phi,refX,theta,106,ptype)+0");
+  fAlignTree->SetAlias("FAlignTrans1","AliTPCPreprocessorOffline::EvalAt(phi,refX,theta,107,ptype)+0");
+  fAlignTree->SetAlias("FAlignTrans0D","AliTPCPreprocessorOffline::EvalAt(phi,refX,theta,108,ptype)+0");
+  fAlignTree->SetAlias("FAlignTrans1D","AliTPCPreprocessorOffline::EvalAt(phi,refX,theta,109,ptype)+0");
+  //
+  // test fast function
+  //
+//   fAlignTree->Draw("FExBTwistX:ExBTwistX","isITS&&ptype==0&&abs(snp)<0.05","");
+//   fAlignTree->Draw("FExBTwistY:ExBTwistY","isITS&&ptype==0&&abs(snp)<0.05","");
+//   fAlignTree->Draw("FAlignRot0:alignRot0","isITS&&ptype==0&&abs(snp)<0.05","");
+//   fAlignTree->Draw("FAlignRot1:alignRot1","isITS&&ptype==0&&abs(snp)<0.05","");
+//   fAlignTree->Draw("FAlignRot2:alignRot2","isITS&&ptype==0&&abs(snp)<0.05","");
+//   //
+//   fAlignTree->Draw("FAlignTrans0:alignTrans0","isITS&&ptype==0&&abs(snp)<0.05","");
+//   fAlignTree->Draw("FAlignTrans1:alignTrans1","isITS&&ptype==0&&abs(snp)<0.05","");
+
+} 
+
+
+void AliTPCPreprocessorOffline::CreateAlignTime(TString fstring, TVectorD paramC){
+  //
+  //
+  //
+  //
+  TGeoHMatrix *matrixDelta     = new TGeoHMatrix; 
+  TGeoHMatrix *matrixGlobal    = new TGeoHMatrix; 
+  Double_t rAngles[9];
+  Int_t index=0;
+  //
+  index=TStatToolkit::GetFitIndex(fstring,"FAlignTrans0D");
+  if (index>=0) matrixDelta->SetDx(paramC[index+1]*0.1);
+  index=TStatToolkit::GetFitIndex(fstring,"FAlignTrans1D");
+  if (index>=0) matrixDelta->SetDy(paramC[index+1]*0.1);
+  rAngles[0]=1; rAngles[4]=1; rAngles[8]=1;
+  index=TStatToolkit::GetFitIndex(fstring,"FAlignRot0D");
+  rAngles[1]=-paramC[index+1]*0.001; rAngles[3]=paramC[index+1]*0.001;
+  rAngles[5]=0; rAngles[7] =0;
+  rAngles[2]=0; rAngles[6] =0;
+  matrixDelta->SetRotation(rAngles);
+  //
+  //
+  //
+  index=TStatToolkit::GetFitIndex(fstring,"hasITS*FAlignTrans0");
+  if (index>=0) matrixGlobal->SetDx(paramC[index+1]*0.1);
+  index=TStatToolkit::GetFitIndex(fstring,"hasITS*FAlignTrans1");
+  if (index>=0) matrixGlobal->SetDy(paramC[index+1]*0.1);
+  rAngles[0]=1; rAngles[4]=1; rAngles[8]=1;
+  index=TStatToolkit::GetFitIndex(fstring,"hasITS*FAlignRot0");
+  rAngles[1]=-paramC[index+1]*0.001; rAngles[3]=paramC[index+1]*0.001;
+  index=TStatToolkit::GetFitIndex(fstring,"hasITS*FAlignRot1");  
+  rAngles[5]=-paramC[index+1]*0.001; rAngles[7]=paramC[index+1]*0.001;
+  index=TStatToolkit::GetFitIndex(fstring,"hasITS*FAlignRot2");  
+  rAngles[2]=paramC[index+1]*0.001; rAngles[6] =-paramC[index+1]*0.001;
+  matrixGlobal->SetRotation(rAngles);
+  //
+  AliTPCCalibGlobalMisalignment *fitAlignTime  =new  AliTPCCalibGlobalMisalignment;
+  fitAlignTime  =new  AliTPCCalibGlobalMisalignment;
+  fitAlignTime->SetName("FitAlignTime");
+  fitAlignTime->SetTitle("FitAlignTime");
+  fitAlignTime->SetAlignGlobalDelta(matrixDelta);
+  fitAlignTime->SetAlignGlobal(matrixGlobal);
+  //
+  AliTPCExBTwist * fitExBTwist= new  AliTPCExBTwist;
+  Int_t indexX=TStatToolkit::GetFitIndex(fstring,"ExBTwistX");
+  Int_t indexY=TStatToolkit::GetFitIndex(fstring,"ExBTwistY");  
+  fitExBTwist->SetXTwist(0.001*paramC[indexX+1]);  // 1 mrad twist in x
+  fitExBTwist->SetYTwist(0.001*paramC[indexY+1]);  // 1 mrad twist in x
+  fitExBTwist->SetName("FitExBTwistTime");
+  fitExBTwist->SetTitle("FitExBTwistTime"); 
+  AliTPCParam *param= AliTPCcalibDB::Instance()->GetParameters();
+  Double_t bzField=AliTrackerBase::GetBz();
+  Double_t vdrift = param->GetDriftV()/1000000.; // [cm/us]   // From dataBase: to be updated: per second (ideally)
+
+  Double_t ezField = 400; // [V/cm]   // to be updated: never (hopefully)
+  Double_t wt = -10.0 * (bzField) * vdrift /  ezField ; 
+  //
+  fitExBTwist->SetOmegaTauT1T2(wt,1,1);  
+  fitExBTwist->Init();  
+
+  AliTPCComposedCorrection *corrTime =  new AliTPCComposedCorrection;
+  TObjArray *arr = new TObjArray;
+  corrTime->SetCorrections(arr);
+  
+  corrTime->GetCorrections()->Add(fitExBTwist);
+  corrTime->GetCorrections()->Add(fitAlignTime);
+  corrTime->SetName("FitCorrectionTime");
+  corrTime->SetTitle("FitCorrectionTime");
+
+  fitExBTwist->AddVisualCorrection((AliTPCExBTwist*)(fitExBTwist->Clone()),1001);
+  fitAlignTime->AddVisualCorrection((AliTPCExBTwist*)(fitAlignTime->Clone()),1002);
+  fitAlignTime->AddVisualCorrection((AliTPCExBTwist*)(corrTime->Clone()),1003);
+  
+  
+  fAlignTree->SetAlias("ExBTwistTime","AliTPCPreprocessorOffline::EvalAt(phi,refX,theta,1001,ptype)+0");
+  fAlignTree->SetAlias("AlignTime","AliTPCPreprocessorOffline::EvalAt(phi,refX,theta,1002,ptype)+0");
+  fAlignTree->SetAlias("FitCorrectionTime","AliTPCPreprocessorOffline::EvalAt(phi,refX,theta,1003,ptype)+0");
+
+
+  TFile *f = new TFile("fitITSVertex.root","update");
+  corrTime->Write("FitCorrectionTime");
+  f->Close();
+}
+
+