[u/mrichter/AliRoot.git] / TRD / AliTRDCalibraVdriftLinearFit.cxx

/**************************************************************************
 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/

/* $Id$ */

////////////////////////////////////////////////////////////////////////////
//                                                                        //
// AliTRDCalibraVdriftLinearFit                                           //
//                                                                        //
// Does the Vdrift an ExB calibration by applying a linear fit            //
//                                                                        //
// Author:                                                                //
//   R. Bailhache (R.Bailhache@gsi.de)                                    //
//                                                                        //
////////////////////////////////////////////////////////////////////////////

//Root includes
#include <TObjArray.h>
#include <TH2F.h>
#include <TString.h>
#include <TVectorD.h>
#include <TAxis.h>
#include <TLinearFitter.h>
#include <TMath.h>
#include <TTreeStream.h>


//header file
#include "AliTRDCalibraVdriftLinearFit.h"

ClassImp(AliTRDCalibraVdriftLinearFit) /*FOLD00*/

//_____________________________________________________________________
AliTRDCalibraVdriftLinearFit::AliTRDCalibraVdriftLinearFit() : /*FOLD00*/
  TObject(),
  fVersion(0),
  fLinearFitterHistoArray(540),
  fLinearFitterPArray(540),
  fLinearFitterEArray(540)
{
  //
  // default constructor
  //
}
//_____________________________________________________________________
AliTRDCalibraVdriftLinearFit::AliTRDCalibraVdriftLinearFit(const AliTRDCalibraVdriftLinearFit &ped) : /*FOLD00*/
  TObject(ped),
  fVersion(ped.fVersion),
  fLinearFitterHistoArray(540),
  fLinearFitterPArray(540),
  fLinearFitterEArray(540)
{
    //
    // copy constructor
    //
  for (Int_t idet = 0; idet < 540; idet++){
   
    const TVectorD     *vectorE     = (TVectorD*)ped.fLinearFitterEArray.UncheckedAt(idet);
    const TVectorD     *vectorP     = (TVectorD*)ped.fLinearFitterPArray.UncheckedAt(idet);
    const TH2S         *hped        = (TH2S*)ped.fLinearFitterHistoArray.UncheckedAt(idet);
    
    if ( vectorE != 0x0 ) fLinearFitterEArray.AddAt(new TVectorD(*vectorE), idet);
    if ( vectorP != 0x0 ) fLinearFitterPArray.AddAt(new TVectorD(*vectorP), idet);
    if ( hped != 0x0 ){
      TH2S *hNew = (TH2S *)hped->Clone();
      //hNew->SetDirectory(0);
      fLinearFitterHistoArray.AddAt(hNew,idet);
    }
  }
}
//_____________________________________________________________________
AliTRDCalibraVdriftLinearFit::AliTRDCalibraVdriftLinearFit(const TObjArray &obja) : /*FOLD00*/
  TObject(),
  fVersion(0),
  fLinearFitterHistoArray(540),
  fLinearFitterPArray(540),
  fLinearFitterEArray(540)
{
  //
  // constructor from a TObjArray
  //
  for (Int_t idet = 0; idet < 540; idet++){
    const TH2S         *hped        = (TH2S*)obja.UncheckedAt(idet);
    if ( hped != 0x0 ){
      TH2S *hNew = (TH2S *)hped->Clone();
      //hNew->SetDirectory(0);
      fLinearFitterHistoArray.AddAt(hNew,idet);
    }
  }
}
//_____________________________________________________________________
AliTRDCalibraVdriftLinearFit& AliTRDCalibraVdriftLinearFit::operator = (const  AliTRDCalibraVdriftLinearFit &source)
{
  //
  // assignment operator
  //
  if (&source == this) return *this;
  new (this) AliTRDCalibraVdriftLinearFit(source);

  return *this;
}
//_____________________________________________________________________
AliTRDCalibraVdriftLinearFit::~AliTRDCalibraVdriftLinearFit() /*FOLD00*/
{
  //
  // destructor
  //
  fLinearFitterHistoArray.Delete();
  fLinearFitterPArray.Delete();
  fLinearFitterEArray.Delete();

}
//_____________________________________________________________________________
void AliTRDCalibraVdriftLinearFit::Copy(TObject &c) const
{
  //
  // Copy function
  //

  AliTRDCalibraVdriftLinearFit& target = (AliTRDCalibraVdriftLinearFit &) c;

  // Copy only the histos
  for (Int_t idet = 0; idet < 540; idet++){
    if(fLinearFitterHistoArray.UncheckedAt(idet)){
      TH2S *hped1 = (TH2S *)target.GetLinearFitterHisto(idet,kTRUE);
      //hped1->SetDirectory(0);
      hped1->Add((const TH2S *)fLinearFitterHistoArray.UncheckedAt(idet));
    }
  }
  
  TObject::Copy(c);

}
//_____________________________________________________________________________
Long64_t AliTRDCalibraVdriftLinearFit::Merge(const TCollection* list) 
{
  // Merge list of objects (needed by PROOF)

  if (!list)
    return 0;
  
  if (list->IsEmpty())
    return 1;
  
  TIterator* iter = list->MakeIterator();
  TObject* obj = 0;
  
  // collection of generated histograms
  Int_t count=0;
  while((obj = iter->Next()) != 0) 
    {
      AliTRDCalibraVdriftLinearFit* entry = dynamic_cast<AliTRDCalibraVdriftLinearFit*>(obj);
      if (entry == 0) continue; 
      
      // Copy only the histos
      for (Int_t idet = 0; idet < 540; idet++){
	if(entry->GetLinearFitterHisto(idet)){
	  TH2S *hped1 = (TH2S *)GetLinearFitterHisto(idet,kTRUE);
	  Double_t entriesa = hped1->GetEntries();
	  Double_t entriesb = ((TH2S *)entry->GetLinearFitterHisto(idet))->GetEntries();
	  if((entriesa + entriesb) < 5*32767) hped1->Add(entry->GetLinearFitterHisto(idet));
	}
      }
      
      count++;
    }
  
  return count;
}
//_____________________________________________________________________
void AliTRDCalibraVdriftLinearFit::Add(const AliTRDCalibraVdriftLinearFit *ped)
{
  //
  // Add histo
  //

  fVersion++;

  for (Int_t idet = 0; idet < 540; idet++){
    const TH2S         *hped        = (TH2S*)ped->GetLinearFitterHistoNoForce(idet);
    //printf("idet %d\n",idet);
    if ( hped != 0x0 ){
      //printf("add\n");
      TH2S *hped1 = (TH2S *)GetLinearFitterHisto(idet,kTRUE);
      Double_t entriesa = hped1->GetEntries();
      Double_t entriesb = hped->GetEntries();
      if((entriesa + entriesb) < 5*32767) hped1->Add(hped);
    }
  }
}
//______________________________________________________________________________________
TH2S* AliTRDCalibraVdriftLinearFit::GetLinearFitterHisto(Int_t detector, Bool_t force)
{
    //
    // return pointer to TH2F histo 
    // if force is true create a new histo if it doesn't exist allready
    //
    if ( !force || fLinearFitterHistoArray.UncheckedAt(detector) )
	return (TH2S*)fLinearFitterHistoArray.UncheckedAt(detector);

    return GetLinearFitterHistoForce(detector);

}
//______________________________________________________________________________________
TH2S* AliTRDCalibraVdriftLinearFit::GetLinearFitterHistoForce(Int_t detector)
{
  //
  // return pointer to TH2F histo 
  // if NULL create a new histo if it doesn't exist allready
  //
  if (fLinearFitterHistoArray.UncheckedAt(detector))
    return (TH2S*)fLinearFitterHistoArray.UncheckedAt(detector);
  
  // if we are forced and TLinearFitter doesn't yes exist create it
  
  // new TH2F
  TString name("LFDV");
  name += detector;
  name += "version";
  name +=  fVersion;
  
  TH2S *lfdv = new TH2S((const Char_t *)name,(const Char_t *) name
			,36,-0.9,0.9,48
			,-1.2,1.2);
  lfdv->SetXTitle("tan(phi_{track})");
  lfdv->SetYTitle("dy/dt");
  lfdv->SetZTitle("Number of clusters");
  lfdv->SetStats(0);
  lfdv->SetDirectory(0);
  
  fLinearFitterHistoArray.AddAt(lfdv,detector);
  return lfdv;
}
//______________________________________________________________________________________
Bool_t AliTRDCalibraVdriftLinearFit::GetParam(Int_t detector, TVectorD *param)
{
    //
    // return param for this detector
    //
  if ( fLinearFitterPArray.UncheckedAt(detector) ){
    const TVectorD     *vectorP     = (TVectorD*)fLinearFitterPArray.UncheckedAt(detector);
    if(!param) param = new TVectorD(2);
    for(Int_t k = 0; k < 2; k++){
      (*param)[k] = (*vectorP)[k];
    }
    return kTRUE;
  }
  else return kFALSE;

}
//______________________________________________________________________________________
Bool_t AliTRDCalibraVdriftLinearFit::GetError(Int_t detector, TVectorD *error)
{
    //
    // return error for this detector 
    //
  if ( fLinearFitterEArray.UncheckedAt(detector) ){
    const TVectorD     *vectorE     = (TVectorD*)fLinearFitterEArray.UncheckedAt(detector);
    if(!error) error = new TVectorD(3);
    for(Int_t k = 0; k < 3; k++){
      (*error)[k] = (*vectorE)[k];
    }
    return kTRUE;
  }
  else return kFALSE;

}
//______________________________________________________________________________________
void AliTRDCalibraVdriftLinearFit::Update(Int_t detector, Float_t tnp, Float_t pars1)
{
    //
    // Fill the 2D histos for debugging
    //
  
  TH2S *h = ((TH2S *) GetLinearFitterHisto(detector,kTRUE));
  Double_t nbentries = h->GetEntries();
  if(nbentries < 5*32767) h->Fill(tnp,pars1);

}
//____________Functions fit Online CH2d________________________________________
void AliTRDCalibraVdriftLinearFit::FillPEArray()
{
  //
  // Fill fLinearFitterPArray and fLinearFitterEArray from inside
  //

  
  Int_t *arrayI = new Int_t[540];
  for(Int_t k = 0; k< 540; k++){
    arrayI[k] = 0; 
  }

  // Loop over histos 
  for(Int_t cb = 0; cb < 540; cb++){
    const TH2S *linearfitterhisto = (TH2S*)fLinearFitterHistoArray.UncheckedAt(cb);
    //printf("Processing the detector cb %d we find %d\n",cb, (Bool_t) linearfitterhisto);    

    if ( linearfitterhisto != 0 ){
      
      // Fill a linearfitter
      TAxis *xaxis = linearfitterhisto->GetXaxis();
      TAxis *yaxis = linearfitterhisto->GetYaxis();
      TLinearFitter linearfitter = TLinearFitter(2,"pol1");
      //printf("test\n");
      for(Int_t ibinx = 0; ibinx < linearfitterhisto->GetNbinsX(); ibinx++){
	for(Int_t ibiny = 0; ibiny < linearfitterhisto->GetNbinsY(); ibiny++){
	  if(linearfitterhisto->GetBinContent(ibinx+1,ibiny+1)>0){
	    Double_t x = xaxis->GetBinCenter(ibinx+1);
	    Double_t y = yaxis->GetBinCenter(ibiny+1);
	    for(Int_t k = 0; k < (Int_t)linearfitterhisto->GetBinContent(ibinx+1,ibiny+1); k++){
	      linearfitter.AddPoint(&x,y);
	      arrayI[cb]++;
	    }
	  }
	}
      }
      
      //printf("Find %d entries for the detector %d\n",arrayI[cb],cb);

      // Eval the linear fitter
      if(arrayI[cb]>10){
	TVectorD  *par  = new TVectorD(2);
	TVectorD   pare = TVectorD(2);
	TVectorD  *parE = new TVectorD(3);
	linearfitter.Eval();
	linearfitter.GetParameters(*par);
	linearfitter.GetErrors(pare);
	Float_t  ppointError =  TMath::Sqrt(TMath::Abs(linearfitter.GetChisquare())/arrayI[cb]);
	(*parE)[0] = pare[0]*ppointError;
	(*parE)[1] = pare[1]*ppointError;
	(*parE)[2] = (Double_t) arrayI[cb];
	fLinearFitterPArray.AddAt(par,cb);
	fLinearFitterEArray.AddAt(parE,cb);
	//par->Print();
	//parE->Print();
      }

      //delete linearfitterhisto;
      
    }// if something

  }

  delete [] arrayI;
   
}
Commit	Line	Data
3a0f6479	1	/**************************************************************************
	2	* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	3	* *
	4	* Author: The ALICE Off-line Project. *
	5	* Contributors are mentioned in the code where appropriate. *
	6	* *
	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	**************************************************************************/
	15
	16	/* $Id$ */
	17
0bc7827a	18	////////////////////////////////////////////////////////////////////////////
	19	// //
	20	// AliTRDCalibraVdriftLinearFit //
	21	// //
	22	// Does the Vdrift an ExB calibration by applying a linear fit //
	23	// //
	24	// Author: //
	25	// R. Bailhache (R.Bailhache@gsi.de) //
	26	// //
	27	////////////////////////////////////////////////////////////////////////////
	28
3a0f6479	29	//Root includes
	30	#include <TObjArray.h>
	31	#include <TH2F.h>
	32	#include <TString.h>
	33	#include <TVectorD.h>
	34	#include <TAxis.h>
	35	#include <TLinearFitter.h>
	36	#include <TMath.h>
	37	#include <TTreeStream.h>
ba94744a	38
3a0f6479	39
	40	//header file
	41	#include "AliTRDCalibraVdriftLinearFit.h"
	42
	43	ClassImp(AliTRDCalibraVdriftLinearFit) /FOLD00/
	44
	45	//_____________________________________________________________________
	46	AliTRDCalibraVdriftLinearFit::AliTRDCalibraVdriftLinearFit() : /FOLD00/
	47	TObject(),
	48	fVersion(0),
	49	fLinearFitterHistoArray(540),
	50	fLinearFitterPArray(540),
	51	fLinearFitterEArray(540)
	52	{
ba94744a	53	//
	54	// default constructor
	55	//
3a0f6479	56	}
3a0f6479	57	//_____________________________________________________________________
	58	AliTRDCalibraVdriftLinearFit::AliTRDCalibraVdriftLinearFit(const AliTRDCalibraVdriftLinearFit &ped) : /FOLD00/
	59	TObject(ped),
	60	fVersion(ped.fVersion),
	61	fLinearFitterHistoArray(540),
	62	fLinearFitterPArray(540),
	63	fLinearFitterEArray(540)
	64	{
	65	//
	66	// copy constructor
	67	//
	68	for (Int_t idet = 0; idet < 540; idet++){
ba94744a	69
3a0f6479	70	const TVectorD vectorE = (TVectorD)ped.fLinearFitterEArray.UncheckedAt(idet);
3a0f6479	71	const TVectorD vectorP = (TVectorD)ped.fLinearFitterPArray.UncheckedAt(idet);
0ca1720e	72	const TH2S hped = (TH2S)ped.fLinearFitterHistoArray.UncheckedAt(idet);
3a0f6479	73
	74	if ( vectorE != 0x0 ) fLinearFitterEArray.AddAt(new TVectorD(*vectorE), idet);
	75	if ( vectorP != 0x0 ) fLinearFitterPArray.AddAt(new TVectorD(*vectorP), idet);
	76	if ( hped != 0x0 ){
0ca1720e	77	TH2S hNew = (TH2S )hped->Clone();
ba94744a	78	//hNew->SetDirectory(0);
3a0f6479	79	fLinearFitterHistoArray.AddAt(hNew,idet);
3a0f6479	80	}
3a0f6479	81	}
	82	}
	83	//_____________________________________________________________________
d0569428	84	AliTRDCalibraVdriftLinearFit::AliTRDCalibraVdriftLinearFit(const TObjArray &obja) : /FOLD00/
	85	TObject(),
	86	fVersion(0),
	87	fLinearFitterHistoArray(540),
	88	fLinearFitterPArray(540),
	89	fLinearFitterEArray(540)
	90	{
	91	//
	92	// constructor from a TObjArray
	93	//
	94	for (Int_t idet = 0; idet < 540; idet++){
0ca1720e	95	const TH2S hped = (TH2S)obja.UncheckedAt(idet);
d0569428	96	if ( hped != 0x0 ){
0ca1720e	97	TH2S hNew = (TH2S )hped->Clone();
ba94744a	98	//hNew->SetDirectory(0);
d0569428	99	fLinearFitterHistoArray.AddAt(hNew,idet);
	100	}
	101	}
	102	}
	103	//_____________________________________________________________________
3a0f6479	104	AliTRDCalibraVdriftLinearFit& AliTRDCalibraVdriftLinearFit::operator = (const AliTRDCalibraVdriftLinearFit &source)
	105	{
	106	//
	107	// assignment operator
	108	//
	109	if (&source == this) return *this;
	110	new (this) AliTRDCalibraVdriftLinearFit(source);
	111
	112	return *this;
	113	}
	114	//_____________________________________________________________________
	115	AliTRDCalibraVdriftLinearFit::~AliTRDCalibraVdriftLinearFit() /FOLD00/
	116	{
	117	//
	118	// destructor
	119	//
1ca79a00	120	fLinearFitterHistoArray.Delete();
	121	fLinearFitterPArray.Delete();
	122	fLinearFitterEArray.Delete();
	123
3a0f6479	124	}
64942b85	125	//_____________________________________________________________________________
	126	void AliTRDCalibraVdriftLinearFit::Copy(TObject &c) const
	127	{
	128	//
	129	// Copy function
	130	//
	131
	132	AliTRDCalibraVdriftLinearFit& target = (AliTRDCalibraVdriftLinearFit &) c;
	133
	134	// Copy only the histos
	135	for (Int_t idet = 0; idet < 540; idet++){
	136	if(fLinearFitterHistoArray.UncheckedAt(idet)){
0ca1720e	137	TH2S hped1 = (TH2S )target.GetLinearFitterHisto(idet,kTRUE);
ba94744a	138	//hped1->SetDirectory(0);
0ca1720e	139	hped1->Add((const TH2S *)fLinearFitterHistoArray.UncheckedAt(idet));
64942b85	140	}
64942b85	141	}
ba94744a	142
64942b85	143	TObject::Copy(c);
	144
	145	}
	146	//_____________________________________________________________________________
6bbdc11a	147	Long64_t AliTRDCalibraVdriftLinearFit::Merge(const TCollection* list)
64942b85	148	{
	149	// Merge list of objects (needed by PROOF)
	150
	151	if (!list)
	152	return 0;
	153
	154	if (list->IsEmpty())
	155	return 1;
	156
	157	TIterator* iter = list->MakeIterator();
	158	TObject* obj = 0;
	159
	160	// collection of generated histograms
	161	Int_t count=0;
	162	while((obj = iter->Next()) != 0)
ba94744a	163	{
	164	AliTRDCalibraVdriftLinearFit* entry = dynamic_cast<AliTRDCalibraVdriftLinearFit*>(obj);
	165	if (entry == 0) continue;
	166
	167	// Copy only the histos
	168	for (Int_t idet = 0; idet < 540; idet++){
	169	if(entry->GetLinearFitterHisto(idet)){
0ca1720e	170	TH2S hped1 = (TH2S )GetLinearFitterHisto(idet,kTRUE);
ba94744a	171	Double_t entriesa = hped1->GetEntries();
0ca1720e	172	Double_t entriesb = ((TH2S *)entry->GetLinearFitterHisto(idet))->GetEntries();
ba94744a	173	if((entriesa + entriesb) < 5*32767) hped1->Add(entry->GetLinearFitterHisto(idet));
ba94744a	174	}
64942b85	175	}
64942b85	176
ba94744a	177	count++;
64942b85	178	}
64942b85	179
	180	return count;
	181	}
3a0f6479	182	//_____________________________________________________________________
fe4ee353	183	void AliTRDCalibraVdriftLinearFit::Add(const AliTRDCalibraVdriftLinearFit *ped)
3a0f6479	184	{
	185	//
	186	// Add histo
	187	//
	188
	189	fVersion++;
	190
	191	for (Int_t idet = 0; idet < 540; idet++){
fe4ee353	192	const TH2S hped = (TH2S)ped->GetLinearFitterHistoNoForce(idet);
3a0f6479	193	//printf("idet %d\n",idet);
	194	if ( hped != 0x0 ){
	195	//printf("add\n");
0ca1720e	196	TH2S hped1 = (TH2S )GetLinearFitterHisto(idet,kTRUE);
ba94744a	197	Double_t entriesa = hped1->GetEntries();
	198	Double_t entriesb = hped->GetEntries();
	199	if((entriesa + entriesb) < 5*32767) hped1->Add(hped);
3a0f6479	200	}
	201	}
	202	}
	203	//______________________________________________________________________________________
0ca1720e	204	TH2S* AliTRDCalibraVdriftLinearFit::GetLinearFitterHisto(Int_t detector, Bool_t force)
3a0f6479	205	{
	206	//
	207	// return pointer to TH2F histo
	208	// if force is true create a new histo if it doesn't exist allready
	209	//
	210	if ( !force \|\| fLinearFitterHistoArray.UncheckedAt(detector) )
0ca1720e	211	return (TH2S*)fLinearFitterHistoArray.UncheckedAt(detector);
3a0f6479	212
fe4ee353	213	return GetLinearFitterHistoForce(detector);
	214
	215	}
	216	//______________________________________________________________________________________
	217	TH2S* AliTRDCalibraVdriftLinearFit::GetLinearFitterHistoForce(Int_t detector)
	218	{
	219	//
	220	// return pointer to TH2F histo
	221	// if NULL create a new histo if it doesn't exist allready
	222	//
	223	if (fLinearFitterHistoArray.UncheckedAt(detector))
	224	return (TH2S*)fLinearFitterHistoArray.UncheckedAt(detector);
	225
	226	// if we are forced and TLinearFitter doesn't yes exist create it
	227
	228	// new TH2F
	229	TString name("LFDV");
	230	name += detector;
	231	name += "version";
	232	name += fVersion;
	233
	234	TH2S lfdv = new TH2S((const Char_t )name,(const Char_t *) name
	235	,36,-0.9,0.9,48
	236	,-1.2,1.2);
	237	lfdv->SetXTitle("tan(phi_{track})");
	238	lfdv->SetYTitle("dy/dt");
	239	lfdv->SetZTitle("Number of clusters");
	240	lfdv->SetStats(0);
	241	lfdv->SetDirectory(0);
	242
	243	fLinearFitterHistoArray.AddAt(lfdv,detector);
	244	return lfdv;
3a0f6479	245	}
	246	//______________________________________________________________________________________
	247	Bool_t AliTRDCalibraVdriftLinearFit::GetParam(Int_t detector, TVectorD *param)
	248	{
	249	//
	250	// return param for this detector
	251	//
	252	if ( fLinearFitterPArray.UncheckedAt(detector) ){
	253	const TVectorD vectorP = (TVectorD)fLinearFitterPArray.UncheckedAt(detector);
	254	if(!param) param = new TVectorD(2);
	255	for(Int_t k = 0; k < 2; k++){
	256	(param)[k] = (vectorP)[k];
	257	}
	258	return kTRUE;
	259	}
	260	else return kFALSE;
	261
	262	}
	263	//______________________________________________________________________________________
	264	Bool_t AliTRDCalibraVdriftLinearFit::GetError(Int_t detector, TVectorD *error)
	265	{
	266	//
	267	// return error for this detector
	268	//
	269	if ( fLinearFitterEArray.UncheckedAt(detector) ){
	270	const TVectorD vectorE = (TVectorD)fLinearFitterEArray.UncheckedAt(detector);
	271	if(!error) error = new TVectorD(3);
	272	for(Int_t k = 0; k < 3; k++){
	273	(error)[k] = (vectorE)[k];
	274	}
	275	return kTRUE;
	276	}
	277	else return kFALSE;
	278
	279	}
	280	//______________________________________________________________________________________
	281	void AliTRDCalibraVdriftLinearFit::Update(Int_t detector, Float_t tnp, Float_t pars1)
	282	{
	283	//
	284	// Fill the 2D histos for debugging
	285	//
ba94744a	286
0ca1720e	287	TH2S h = ((TH2S ) GetLinearFitterHisto(detector,kTRUE));
ba94744a	288	Double_t nbentries = h->GetEntries();
0ca1720e	289	if(nbentries < 5*32767) h->Fill(tnp,pars1);
3a0f6479	290
	291	}
	292	//____________Functions fit Online CH2d________________________________________
	293	void AliTRDCalibraVdriftLinearFit::FillPEArray()
	294	{
	295	//
	296	// Fill fLinearFitterPArray and fLinearFitterEArray from inside
	297	//
	298
	299
	300	Int_t *arrayI = new Int_t[540];
	301	for(Int_t k = 0; k< 540; k++){
	302	arrayI[k] = 0;
	303	}
	304
	305	// Loop over histos
	306	for(Int_t cb = 0; cb < 540; cb++){
0ca1720e	307	const TH2S linearfitterhisto = (TH2S)fLinearFitterHistoArray.UncheckedAt(cb);
3a0f6479	308	//printf("Processing the detector cb %d we find %d\n",cb, (Bool_t) linearfitterhisto);
3a0f6479	309
0ca1720e	310	if ( linearfitterhisto != 0 ){
3a0f6479	311
	312	// Fill a linearfitter
	313	TAxis *xaxis = linearfitterhisto->GetXaxis();
	314	TAxis *yaxis = linearfitterhisto->GetYaxis();
	315	TLinearFitter linearfitter = TLinearFitter(2,"pol1");
	316	//printf("test\n");
	317	for(Int_t ibinx = 0; ibinx < linearfitterhisto->GetNbinsX(); ibinx++){
	318	for(Int_t ibiny = 0; ibiny < linearfitterhisto->GetNbinsY(); ibiny++){
8a606eb5	319	if(linearfitterhisto->GetBinContent(ibinx+1,ibiny+1)>0){
3a0f6479	320	Double_t x = xaxis->GetBinCenter(ibinx+1);
	321	Double_t y = yaxis->GetBinCenter(ibiny+1);
	322	for(Int_t k = 0; k < (Int_t)linearfitterhisto->GetBinContent(ibinx+1,ibiny+1); k++){
	323	linearfitter.AddPoint(&x,y);
	324	arrayI[cb]++;
	325	}
	326	}
	327	}
	328	}
	329
	330	//printf("Find %d entries for the detector %d\n",arrayI[cb],cb);
	331
	332	// Eval the linear fitter
	333	if(arrayI[cb]>10){
	334	TVectorD *par = new TVectorD(2);
	335	TVectorD pare = TVectorD(2);
	336	TVectorD *parE = new TVectorD(3);
	337	linearfitter.Eval();
	338	linearfitter.GetParameters(*par);
	339	linearfitter.GetErrors(pare);
	340	Float_t ppointError = TMath::Sqrt(TMath::Abs(linearfitter.GetChisquare())/arrayI[cb]);
	341	(parE)[0] = pare[0]ppointError;
	342	(parE)[1] = pare[1]ppointError;
	343	(*parE)[2] = (Double_t) arrayI[cb];
	344	fLinearFitterPArray.AddAt(par,cb);
	345	fLinearFitterEArray.AddAt(parE,cb);
	346	//par->Print();
	347	//parE->Print();
ba94744a	348	}
ba94744a	349
07f9b7f2	350	//delete linearfitterhisto;
ba94744a	351
3a0f6479	352	}// if something
fdc15553	353
3a0f6479	354	}
a987273c	355
a987273c	356	delete [] arrayI;
3a0f6479	357
d1e1a064	358	}