[u/mrichter/AliRoot.git] / ESDCheck / AliFMDQATask.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.                  *
 **************************************************************************/

/* $Id$ */

//_________________________________________________________________________
// An analysis task to check the FMD data in simulated data
//
//*-- Hans Hjersing Dalsgaard 
//////////////////////////////////////////////////////////////////////////////

#include <TCanvas.h> 
#include <TChain.h>
#include <TF1.h> 
#include <TFile.h> 
#include <TH1D.h> 
#include <TROOT.h>
#include <TString.h> 

#include "AliFMDQATask.h" 
#include "AliESD.h" 
#include "AliLog.h"

//______________________________________________________________________________
AliFMDQATask::AliFMDQATask(const char *name) : 
  AliAnalysisTask(name,""),  
  fChain(0),
  fESD(0), 
  fOutputContainer(0),
  fhFMD1i(0),
  fhFMD2i(0), 
  fhFMD2o(0), 
  fhFMD3i(0), 
  fhFMD3o(0) 
{
  // Constructor.
  // Input slot #0 works with an Ntuple
  DefineInput(0, TChain::Class());
  // Output slot #0 writes into a TH1 container
  DefineOutput(0,  TObjArray::Class()) ; 
}

//______________________________________________________________________________
AliFMDQATask::~AliFMDQATask()
{
  // dtor

  fOutputContainer->Clear() ; 
  delete fOutputContainer ; 

  delete fhFMD1i ;
  delete fhFMD2i ; 
  delete fhFMD2o ; 
  delete fhFMD3i ; 
  delete fhFMD3o ;

}

//______________________________________________________________________________
void AliFMDQATask::ConnectInputData(const Option_t*)
{
  // Initialisation of branch container and histograms 
    
  AliInfo(Form("*** Initialization of %s", GetName())) ; 
  
  // Get input data
  fChain = dynamic_cast<TChain *>(GetInputData(0)) ;
  if (!fChain) {
    AliError(Form("Input 0 for %s not found\n", GetName()));
    return ;
  }
  
  // One should first check if the branch address was taken by some other task
  char ** address = (char **)GetBranchAddress(0, "ESD");
  if (address) {
    fESD = (AliESD*)(*address);
  } else {
    fESD = new AliESD();
    SetBranchAddress(0, "ESD", &fESD);
  }
}

//________________________________________________________________________
void AliFMDQATask::CreateOutputObjects()
{  
  // create histograms 

  OpenFile(0) ; 

  fhFMD1i = new TH1D("FMD1i", "FMD1i", 100, -0.5, 3);
  fhFMD2i = new TH1D("FMD2i", "FMD2i", 100, -0.5, 3);
  fhFMD2o = new TH1D("FMD2o", "FMD2o", 100, -0.5, 3);
  fhFMD3i = new TH1D("FMD3i", "FMD3i", 100, -0.5, 3);
  fhFMD3o = new TH1D("FMD3o", "FMD3o", 100, -0.5, 3);

  // create output container
  
  fOutputContainer = new TObjArray(5) ; 
  fOutputContainer->SetName(GetName()) ; 

  fOutputContainer->AddAt(fhFMD1i,             0) ; 
  fOutputContainer->AddAt(fhFMD2i,             1) ; 
  fOutputContainer->AddAt(fhFMD2o,             2) ; 
  fOutputContainer->AddAt(fhFMD3i,             3) ; 
  fOutputContainer->AddAt(fhFMD3o,             4) ; 
}

//______________________________________________________________________________
void AliFMDQATask::Exec(Option_t *) 
{
  // Processing of one event
    
  Long64_t entry = fChain->GetReadEntry() ;
  
  if (!fESD) {
    AliError("fESD is not connected to the input!") ; 
    return ; 
  }
  
  TFile * currentFile = (dynamic_cast<TChain *>(fChain))->GetFile() ; 
  if ( !((entry-1)%100) ) 
    AliInfo(Form("%s ----> Processing event # %lld", currentFile->GetName(), entry)) ; 
	    
  // ************************  FMD *************************************
 AliESDFMD * fmd = fESD->GetFMDData() ;
 if ( ! fmd ) {
   AliError("No FMD found in ESD") ; 
   return ; 
 }
 fmd->CheckNeedUShort(currentFile);
  Int_t nFMD1 = 0, nFMD2i = 0, nFMD2o = 0, nFMD3i = 0, nFMD3o = 0 ;
  
  UShort_t detector = 1 ;
  for(detector = 1 ; detector <= fmd->MaxDetectors() ; detector++) {
    Char_t ring = 'O' ;
    UShort_t sector ; 
    for(sector = 0 ;sector < fmd->MaxSectors() ; sector++) {
      UShort_t strip ;
      for(strip = 0 ; strip < fmd->MaxStrips(); strip++) {
	if(fmd->Multiplicity(detector, ring, sector, strip) != AliESDFMD::kInvalidMult)
	  RingSelector(detector, ring, fmd->Multiplicity(detector, ring, sector, strip)) ;
	if( (fmd->Multiplicity(detector, ring, sector, strip) == AliESDFMD::kInvalidMult) && detector == 2 )
	  nFMD2o++ ;
	if( (fmd->Multiplicity(detector, ring, sector, strip)==AliESDFMD::kInvalidMult) && detector == 3 )
	  nFMD3o++ ;
      }
    }
    ring='I';
    for(sector = 0; sector < fmd->MaxSectors(); sector++) {
      UShort_t strip ;
      for(strip = 0 ; strip < fmd->MaxStrips() ; strip++) {
	if(fmd->Multiplicity(detector, ring, sector, strip) != AliESDFMD::kInvalidMult)
	  RingSelector(detector, ring, fmd->Multiplicity(detector, ring, sector, strip));
	if( (fmd->Multiplicity(detector, ring, sector, strip) == AliESDFMD::kInvalidMult) && detector == 1 )
	  nFMD1++;
	if( (fmd->Multiplicity(detector, ring, sector, strip) == AliESDFMD::kInvalidMult) && detector == 2 )
	  nFMD2i++;
	if( (fmd->Multiplicity(detector, ring, sector, strip) == AliESDFMD::kInvalidMult) && detector == 3 )
	  nFMD3i++;
      }     
    }
  }

  if(nFMD1>100+10240)
    AliWarning(Form("number of missing strips in FMD1i too high in event number %lld in file", entry, fChain->GetCurrentFile()->GetName())) ;
  if(nFMD2i>100+10240)
    AliWarning(Form("number of missing strips in FMD2i too high in event number %lld in file", entry, fChain->GetCurrentFile()->GetName())) ;
  if(nFMD2o>100+10240)
    AliWarning(Form("number of missing strips in FMD2o too high in event number %lld in file", entry, fChain->GetCurrentFile()->GetName())) ;
  if(nFMD3i>100+10240)
    AliWarning(Form("number of missing strips in FMD3i too high in event number %lld in file", entry, fChain->GetCurrentFile()->GetName())) ;
  if(nFMD3o>100+10240)
    AliWarning(Form("number of missing strips in FMD3o too high in event number %lld in file", entry, fChain->GetCurrentFile()->GetName())) ;
  
  PostData(0, fOutputContainer);
}

//______________________________________________________________________________
void AliFMDQATask::Terminate(Option_t *)
{
  // Processing when the event loop is ended
 
  fOutputContainer = (TObjArray*)GetOutputData(0);
  if ( ! fOutputContainer ) 
    return ; 

  fhFMD1i = (TH1D*)fOutputContainer->At(0);
  fhFMD2i = (TH1D*)fOutputContainer->At(1);
  fhFMD2o = (TH1D*)fOutputContainer->At(2);
  fhFMD3i = (TH1D*)fOutputContainer->At(3);
  fhFMD3o = (TH1D*)fOutputContainer->At(4);

  TCanvas * cFMD1 = new TCanvas("cFMD1", "FMD ESD Test", 400, 10, 600, 700);
  cFMD1->Divide(3, 2) ; 

  cFMD1->cd(1) ;; 
  fhFMD1i->Draw() ; 
  
  cFMD1->cd(2) ;; 
  fhFMD2i->Draw() ; 

  cFMD1->cd(3) ;; 
  fhFMD2o->Draw() ; 

  cFMD1->cd(4) ;; 
  fhFMD3i->Draw() ; 

  cFMD1->cd(5) ;; 
  fhFMD3o->Draw() ; 
  
  cFMD1->Print("FMD.eps") ;

  Bool_t rv1i = TestHisto(fhFMD1i) ;
  Bool_t rv2i = TestHisto(fhFMD2i) ;
  Bool_t rv2o = TestHisto(fhFMD2o) ;
  Bool_t rv3i = TestHisto(fhFMD2i) ;
  Bool_t rv3o = TestHisto(fhFMD2o) ;
  
  if (  !(rv1i * rv2i * rv2o * rv3i * rv3o) )
    AliWarning("Possible problem in file !!! Check output!") ;


  char line[1024] ; 
  sprintf(line, ".!tar -zcvf %s.tar.gz *.eps", GetName()) ; 
  gROOT->ProcessLine(line);
  sprintf(line, ".!rm -fR *.eps"); 
  gROOT->ProcessLine(line);
 
  AliInfo(Form("!!! All the eps files are in %s.tar.gz !!! \n", GetName())) ;
}

//______________________________________________________________________________
void AliFMDQATask::RingSelector(const UShort_t detector, const Char_t ring, const Float_t mult) const 
{ 
  // fill the histograms for each ring in each detector layer

  if(ring == 'I' && detector == 1)
    fhFMD1i->Fill(mult) ;
  if(ring == 'I' && detector == 2)
    fhFMD2i->Fill(mult) ;
  if(ring == 'O' && detector == 2)
    fhFMD2o ->Fill(mult) ;
  if(ring == 'I' && detector == 3)
    fhFMD3i ->Fill(mult) ;
  if(ring == 'O' && detector == 3)
    fhFMD3o ->Fill(mult) ;
}
//______________________________________________________________________________
Bool_t AliFMDQATask::TestHisto(TH1D * hTest) const 
{  
  // analyses the histogram with a Landau function

  Float_t chiMax = 3, chiLow=0.5 ;
  Float_t chiSq ;
  Float_t mpv ;
  Int_t   ndf ;
  
  FitAll(hTest, chiSq, ndf, mpv, chiMax, chiLow);

  if( (chiSq > chiMax || chiSq < chiLow) || mpv < 0.6 || mpv > 1 ) {
    hTest->Rebin(2) ;
    FitAll(hTest, chiSq, ndf, mpv, chiMax, chiLow) ;
  }

  Bool_t   ret   = kFALSE ;
  Char_t * test  = "not OK";
  Char_t * test2 = "not OK";
  
  if(chiSq < chiMax && chiSq > chiLow)
    test = "OK" ;
  if(mpv > 0.6 && mpv < 1)
    test2 = "OK" ;
 
  if(test == "OK" && test2 == "OK")
    ret = kTRUE;
  
  if(test == "not OK" || test2 == "not OK") {
    AliWarning("Bad fit results") ; 
    printf("Detector : %s\n", hTest->GetName()) ;
    printf("Landau fit Chi Square / NDF = %f / %d which is %s\n", chiSq*ndf, ndf, test) ; 
    printf("Landau fit MPV is: %f which is %s\n", mpv, test2) ;
  }
  return ret;  
}
//______________________________________________________________________________
void AliFMDQATask::FitAll(TH1D* hTest, Float_t &chiSq, Int_t &ndf, Float_t &mpv, Float_t chiMax, Float_t chiLow ) const 
{
  // fit a histogram with a Landau distribution and returns chi square

  Float_t fitMax = hTest->GetXaxis()->GetXmax() ;

  TH1D hTmp = *hTest ;
  hTmp.SetAxisRange(0.4,fitMax) ;
  Int_t   maxBin = hTmp.GetMaximumBin();
  Float_t max    = hTmp.GetBinCenter(maxBin);
 
  hTest->Fit("landau", "QOI", "", max-0.3, fitMax) ;
  TF1* fitfunc = hTest->GetFunction("landau") ;
  chiSq = fitfunc->GetChisquare() / fitfunc->GetNDF() ;
  mpv   = fitfunc->GetParameter(1) ;
  ndf   = fitfunc->GetNDF() ;

  if( ( chiSq > chiMax || chiSq < chiLow ) || ( mpv < 0.6 || mpv > 1 ) ) {
    hTest->Fit("landau", "QOI", "", max-0.2, fitMax) ;
    fitfunc = hTest->GetFunction("landau") ;
    chiSq   = fitfunc->GetChisquare() / fitfunc->GetNDF() ;
    mpv     = fitfunc->GetParameter(1) ;
    ndf     = fitfunc->GetNDF() ;
  }
  if( ( chiSq >chiMax || chiSq < chiLow ) || ( mpv < 0.6 || mpv > 1 ) ) {
    hTest->Fit("landau", "QOI", "", max-0.1, fitMax) ;
    fitfunc = hTest->GetFunction("landau") ;
    chiSq   = fitfunc->GetChisquare() / fitfunc->GetNDF() ;
    mpv     = fitfunc->GetParameter(1) ;
    ndf     = fitfunc->GetNDF() ;
  }
  if( ( chiSq > chiMax || chiSq <chiLow ) || ( mpv < 0.6 || mpv > 1 ) ) {
    hTest->Fit("landau", "QOI", "", max, fitMax) ;
    fitfunc = hTest->GetFunction("landau") ;
    chiSq   = fitfunc->GetChisquare() / fitfunc->GetNDF() ;
    mpv     = fitfunc->GetParameter(1) ;
    ndf     = fitfunc->GetNDF(); 
  }
  if( ( chiSq > chiMax || chiSq < chiLow ) || ( mpv < 0.6 ||mpv > 1 ) ) {
    hTest->Fit("landau", "QOI", "", max+0.1, fitMax) ;
    fitfunc = hTest->GetFunction("landau") ;
    chiSq   = fitfunc->GetChisquare() / fitfunc->GetNDF() ;
    mpv     = fitfunc->GetParameter(1) ;
    ndf     = fitfunc->GetNDF() ;
  } 
}
Commit	Line	Data
1dfe075f	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	**************************************************************************/
0b28fd57	15
	16	/* $Id$ */
	17
1dfe075f	18	//_________________________________________________________________________
	19	// An analysis task to check the FMD data in simulated data
	20	//
	21	//*-- Hans Hjersing Dalsgaard
	22	//////////////////////////////////////////////////////////////////////////////
	23
0b28fd57	24	#include <TCanvas.h>
1dfe075f	25	#include <TChain.h>
0b28fd57	26	#include <TF1.h>
1dfe075f	27	#include <TFile.h>
1dfe075f	28	#include <TH1D.h>
0b28fd57	29	#include <TROOT.h>
1f588058	30	#include <TString.h>
1dfe075f	31
	32	#include "AliFMDQATask.h"
	33	#include "AliESD.h"
	34	#include "AliLog.h"
	35
	36	//______________________________________________________________________________
	37	AliFMDQATask::AliFMDQATask(const char *name) :
	38	AliAnalysisTask(name,""),
	39	fChain(0),
	40	fESD(0),
5effd3c6	41	fOutputContainer(0),
1dfe075f	42	fhFMD1i(0),
	43	fhFMD2i(0),
	44	fhFMD2o(0),
	45	fhFMD3i(0),
	46	fhFMD3o(0)
	47	{
	48	// Constructor.
	49	// Input slot #0 works with an Ntuple
	50	DefineInput(0, TChain::Class());
	51	// Output slot #0 writes into a TH1 container
	52	DefineOutput(0, TObjArray::Class()) ;
	53	}
	54
	55	//______________________________________________________________________________
	56	AliFMDQATask::~AliFMDQATask()
	57	{
	58	// dtor
	59
	60	fOutputContainer->Clear() ;
	61	delete fOutputContainer ;
	62
	63	delete fhFMD1i ;
	64	delete fhFMD2i ;
	65	delete fhFMD2o ;
	66	delete fhFMD3i ;
	67	delete fhFMD3o ;
	68
	69	}
	70
	71	//______________________________________________________________________________
c52c2132	72	void AliFMDQATask::ConnectInputData(const Option_t*)
1dfe075f	73	{
	74	// Initialisation of branch container and histograms
	75
	76	AliInfo(Form("*** Initialization of %s", GetName())) ;
	77
	78	// Get input data
	79	fChain = dynamic_cast<TChain *>(GetInputData(0)) ;
	80	if (!fChain) {
	81	AliError(Form("Input 0 for %s not found\n", GetName()));
	82	return ;
	83	}
	84
c52c2132	85	// One should first check if the branch address was taken by some other task
	86	char address = (char )GetBranchAddress(0, "ESD");
	87	if (address) {
	88	fESD = (AliESD)(address);
	89	} else {
	90	fESD = new AliESD();
	91	SetBranchAddress(0, "ESD", &fESD);
1dfe075f	92	}
c52c2132	93	}
	94
	95	//________________________________________________________________________
	96	void AliFMDQATask::CreateOutputObjects()
	97	{
1dfe075f	98	// create histograms
1e20f195	99
	100	OpenFile(0) ;
	101
1dfe075f	102	fhFMD1i = new TH1D("FMD1i", "FMD1i", 100, -0.5, 3);
	103	fhFMD2i = new TH1D("FMD2i", "FMD2i", 100, -0.5, 3);
	104	fhFMD2o = new TH1D("FMD2o", "FMD2o", 100, -0.5, 3);
	105	fhFMD3i = new TH1D("FMD3i", "FMD3i", 100, -0.5, 3);
	106	fhFMD3o = new TH1D("FMD3o", "FMD3o", 100, -0.5, 3);
	107
	108	// create output container
	109
	110	fOutputContainer = new TObjArray(5) ;
	111	fOutputContainer->SetName(GetName()) ;
	112
	113	fOutputContainer->AddAt(fhFMD1i, 0) ;
	114	fOutputContainer->AddAt(fhFMD2i, 1) ;
	115	fOutputContainer->AddAt(fhFMD2o, 2) ;
	116	fOutputContainer->AddAt(fhFMD3i, 3) ;
	117	fOutputContainer->AddAt(fhFMD3o, 4) ;
	118	}
	119
	120	//______________________________________________________________________________
	121	void AliFMDQATask::Exec(Option_t *)
	122	{
	123	// Processing of one event
	124
	125	Long64_t entry = fChain->GetReadEntry() ;
	126
	127	if (!fESD) {
	128	AliError("fESD is not connected to the input!") ;
	129	return ;
	130	}
	131
583d7b2e	132	TFile * currentFile = (dynamic_cast<TChain *>(fChain))->GetFile() ;
1dfe075f	133	if ( !((entry-1)%100) )
583d7b2e	134	AliInfo(Form("%s ----> Processing event # %lld", currentFile->GetName(), entry)) ;
583d7b2e	135
1dfe075f	136	// ********************** FMD ***********************************
cac266b2	137	AliESDFMD * fmd = fESD->GetFMDData() ;
1f588058	138	if ( ! fmd ) {
	139	AliError("No FMD found in ESD") ;
	140	return ;
	141	}
	142	fmd->CheckNeedUShort(currentFile);
1dfe075f	143	Int_t nFMD1 = 0, nFMD2i = 0, nFMD2o = 0, nFMD3i = 0, nFMD3o = 0 ;
	144
	145	UShort_t detector = 1 ;
	146	for(detector = 1 ; detector <= fmd->MaxDetectors() ; detector++) {
	147	Char_t ring = 'O' ;
	148	UShort_t sector ;
	149	for(sector = 0 ;sector < fmd->MaxSectors() ; sector++) {
	150	UShort_t strip ;
	151	for(strip = 0 ; strip < fmd->MaxStrips(); strip++) {
	152	if(fmd->Multiplicity(detector, ring, sector, strip) != AliESDFMD::kInvalidMult)
	153	RingSelector(detector, ring, fmd->Multiplicity(detector, ring, sector, strip)) ;
	154	if( (fmd->Multiplicity(detector, ring, sector, strip) == AliESDFMD::kInvalidMult) && detector == 2 )
	155	nFMD2o++ ;
	156	if( (fmd->Multiplicity(detector, ring, sector, strip)==AliESDFMD::kInvalidMult) && detector == 3 )
	157	nFMD3o++ ;
	158	}
	159	}
	160	ring='I';
	161	for(sector = 0; sector < fmd->MaxSectors(); sector++) {
	162	UShort_t strip ;
	163	for(strip = 0 ; strip < fmd->MaxStrips() ; strip++) {
	164	if(fmd->Multiplicity(detector, ring, sector, strip) != AliESDFMD::kInvalidMult)
	165	RingSelector(detector, ring, fmd->Multiplicity(detector, ring, sector, strip));
	166	if( (fmd->Multiplicity(detector, ring, sector, strip) == AliESDFMD::kInvalidMult) && detector == 1 )
	167	nFMD1++;
	168	if( (fmd->Multiplicity(detector, ring, sector, strip) == AliESDFMD::kInvalidMult) && detector == 2 )
	169	nFMD2i++;
	170	if( (fmd->Multiplicity(detector, ring, sector, strip) == AliESDFMD::kInvalidMult) && detector == 3 )
	171	nFMD3i++;
	172	}
	173	}
	174	}
	175
	176	if(nFMD1>100+10240)
	177	AliWarning(Form("number of missing strips in FMD1i too high in event number %lld in file", entry, fChain->GetCurrentFile()->GetName())) ;
	178	if(nFMD2i>100+10240)
	179	AliWarning(Form("number of missing strips in FMD2i too high in event number %lld in file", entry, fChain->GetCurrentFile()->GetName())) ;
	180	if(nFMD2o>100+10240)
	181	AliWarning(Form("number of missing strips in FMD2o too high in event number %lld in file", entry, fChain->GetCurrentFile()->GetName())) ;
	182	if(nFMD3i>100+10240)
	183	AliWarning(Form("number of missing strips in FMD3i too high in event number %lld in file", entry, fChain->GetCurrentFile()->GetName())) ;
	184	if(nFMD3o>100+10240)
	185	AliWarning(Form("number of missing strips in FMD3o too high in event number %lld in file", entry, fChain->GetCurrentFile()->GetName())) ;
	186
	187	PostData(0, fOutputContainer);
	188	}
	189
	190	//______________________________________________________________________________
	191	void AliFMDQATask::Terminate(Option_t *)
	192	{
	193	// Processing when the event loop is ended
	194
c52c2132	195	fOutputContainer = (TObjArray*)GetOutputData(0);
1f588058	196	if ( ! fOutputContainer )
	197	return ;
	198
c52c2132	199	fhFMD1i = (TH1D*)fOutputContainer->At(0);
	200	fhFMD2i = (TH1D*)fOutputContainer->At(1);
	201	fhFMD2o = (TH1D*)fOutputContainer->At(2);
	202	fhFMD3i = (TH1D*)fOutputContainer->At(3);
	203	fhFMD3o = (TH1D*)fOutputContainer->At(4);
	204
1dfe075f	205	TCanvas * cFMD1 = new TCanvas("cFMD1", "FMD ESD Test", 400, 10, 600, 700);
	206	cFMD1->Divide(3, 2) ;
	207
	208	cFMD1->cd(1) ;;
	209	fhFMD1i->Draw() ;
	210
	211	cFMD1->cd(2) ;;
	212	fhFMD2i->Draw() ;
	213
	214	cFMD1->cd(3) ;;
	215	fhFMD2o->Draw() ;
	216
	217	cFMD1->cd(4) ;;
	218	fhFMD3i->Draw() ;
	219
	220	cFMD1->cd(5) ;;
	221	fhFMD3o->Draw() ;
	222
	223	cFMD1->Print("FMD.eps") ;
	224
	225	Bool_t rv1i = TestHisto(fhFMD1i) ;
	226	Bool_t rv2i = TestHisto(fhFMD2i) ;
	227	Bool_t rv2o = TestHisto(fhFMD2o) ;
	228	Bool_t rv3i = TestHisto(fhFMD2i) ;
	229	Bool_t rv3o = TestHisto(fhFMD2o) ;
	230
	231	if ( !(rv1i * rv2i * rv2o * rv3i * rv3o) )
	232	AliWarning("Possible problem in file !!! Check output!") ;
	233
	234
	235
	236	char line[1024] ;
	237	sprintf(line, ".!tar -zcvf %s.tar.gz *.eps", GetName()) ;
	238	gROOT->ProcessLine(line);
	239	sprintf(line, ".!rm -fR *.eps");
	240	gROOT->ProcessLine(line);
	241
	242	AliInfo(Form("!!! All the eps files are in %s.tar.gz !!! \n", GetName())) ;
	243	}
	244
	245	//______________________________________________________________________________
	246	void AliFMDQATask::RingSelector(const UShort_t detector, const Char_t ring, const Float_t mult) const
	247	{
	248	// fill the histograms for each ring in each detector layer
	249
	250	if(ring == 'I' && detector == 1)
	251	fhFMD1i->Fill(mult) ;
	252	if(ring == 'I' && detector == 2)
	253	fhFMD2i->Fill(mult) ;
	254	if(ring == 'O' && detector == 2)
	255	fhFMD2o ->Fill(mult) ;
	256	if(ring == 'I' && detector == 3)
	257	fhFMD3i ->Fill(mult) ;
	258	if(ring == 'O' && detector == 3)
	259	fhFMD3o ->Fill(mult) ;
	260	}
	261	//______________________________________________________________________________
	262	Bool_t AliFMDQATask::TestHisto(TH1D * hTest) const
	263	{
	264	// analyses the histogram with a Landau function
	265
	266	Float_t chiMax = 3, chiLow=0.5 ;
	267	Float_t chiSq ;
	268	Float_t mpv ;
269	Int_t ndf ;
270
271	FitAll(hTest, chiSq, ndf, mpv, chiMax, chiLow);
272
273	if( (chiSq > chiMax \|\| chiSq < chiLow) \|\| mpv < 0.6 \|\| mpv > 1 ) {
274	hTest->Rebin(2) ;
275	FitAll(hTest, chiSq, ndf, mpv, chiMax, chiLow) ;
276	}
277
278	Bool_t ret = kFALSE ;
279	Char_t * test = "not OK";
280	Char_t * test2 = "not OK";
281
282	if(chiSq < chiMax && chiSq > chiLow)
283	test = "OK" ;
284	if(mpv > 0.6 && mpv < 1)
285	test2 = "OK" ;
286
287	if(test == "OK" && test2 == "OK")
288	ret = kTRUE;
289
290	if(test == "not OK" \|\| test2 == "not OK") {
291	AliWarning("Bad fit results") ;
292	printf("Detector : %s\n", hTest->GetName()) ;
293	printf("Landau fit Chi Square / NDF = %f / %d which is %s\n", chiSq*ndf, ndf, test) ;
294	printf("Landau fit MPV is: %f which is %s\n", mpv, test2) ;
295	}
296	return ret;
297	}
298	//______________________________________________________________________________
299	void AliFMDQATask::FitAll(TH1D* hTest, Float_t &chiSq, Int_t &ndf, Float_t &mpv, Float_t chiMax, Float_t chiLow ) const
300	{
301	// fit a histogram with a Landau distribution and returns chi square
302
303	Float_t fitMax = hTest->GetXaxis()->GetXmax() ;
304
305	TH1D hTmp = *hTest ;
306	hTmp.SetAxisRange(0.4,fitMax) ;
307	Int_t maxBin = hTmp.GetMaximumBin();
308	Float_t max = hTmp.GetBinCenter(maxBin);
309
310	hTest->Fit("landau", "QOI", "", max-0.3, fitMax) ;
311	TF1* fitfunc = hTest->GetFunction("landau") ;
312	chiSq = fitfunc->GetChisquare() / fitfunc->GetNDF() ;
313	mpv = fitfunc->GetParameter(1) ;
314	ndf = fitfunc->GetNDF() ;
315
316	if( ( chiSq > chiMax \|\| chiSq < chiLow ) \|\| ( mpv < 0.6 \|\| mpv > 1 ) ) {
317	hTest->Fit("landau", "QOI", "", max-0.2, fitMax) ;
318	fitfunc = hTest->GetFunction("landau") ;
319	chiSq = fitfunc->GetChisquare() / fitfunc->GetNDF() ;
320	mpv = fitfunc->GetParameter(1) ;
321	ndf = fitfunc->GetNDF() ;
322	}
323	if( ( chiSq >chiMax \|\| chiSq < chiLow ) \|\| ( mpv < 0.6 \|\| mpv > 1 ) ) {
324	hTest->Fit("landau", "QOI", "", max-0.1, fitMax) ;
325	fitfunc = hTest->GetFunction("landau") ;
326	chiSq = fitfunc->GetChisquare() / fitfunc->GetNDF() ;
327	mpv = fitfunc->GetParameter(1) ;
328	ndf = fitfunc->GetNDF() ;
329	}
330	if( ( chiSq > chiMax \|\| chiSq <chiLow ) \|\| ( mpv < 0.6 \|\| mpv > 1 ) ) {
331	hTest->Fit("landau", "QOI", "", max, fitMax) ;
332	fitfunc = hTest->GetFunction("landau") ;
333	chiSq = fitfunc->GetChisquare() / fitfunc->GetNDF() ;
334	mpv = fitfunc->GetParameter(1) ;
335	ndf = fitfunc->GetNDF();
336	}
337	if( ( chiSq > chiMax \|\| chiSq < chiLow ) \|\| ( mpv < 0.6 \|\|mpv > 1 ) ) {
338	hTest->Fit("landau", "QOI", "", max+0.1, fitMax) ;
339	fitfunc = hTest->GetFunction("landau") ;
340	chiSq = fitfunc->GetChisquare() / fitfunc->GetNDF() ;
341	mpv = fitfunc->GetParameter(1) ;
342	ndf = fitfunc->GetNDF() ;
343	}
344	}