[u/mrichter/AliRoot.git] / ESDCheck / AliPHOSQATask.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 PHOS photon data in simulated data
//
//*-- Yves Schutz 
//////////////////////////////////////////////////////////////////////////////

#include <TCanvas.h>
#include <TChain.h>
#include <TFile.h> 
#include <TH1.h>
#include <TH1F.h>
#include <TH1I.h>
#include <TLegend.h> 
#include <TNtuple.h>
#include <TROOT.h> 
#include <TVector3.h> 

#include "AliPHOSQATask.h" 
#include "AliESD.h" 
#include "AliLog.h"

//______________________________________________________________________________
AliPHOSQATask::AliPHOSQATask(const char *name) : 
  AliAnalysisTask(name,""),  
  fChain(0),
  fESD(0), 
  fhPHOS(0),
  fhPHOSEnergy(0),
  fhPHOSDigits(0),
  fhPHOSRecParticles(0),
  fhPHOSPhotons(0),
  fhPHOSInvariantMass(0),
  fhPHOSDigitsEvent(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()) ; 
}

//______________________________________________________________________________
AliPHOSQATask::~AliPHOSQATask()
{
  // dtor
  fOutputContainer->Clear() ; 
  delete fOutputContainer ;

  delete fhPHOSPos ;
  delete fhPHOS ;
  delete fhPHOSEnergy ;
  delete fhPHOSDigits ;
  delete fhPHOSRecParticles ;
  delete fhPHOSPhotons ;
  delete fhPHOSInvariantMass ;
  delete fhPHOSDigitsEvent ;
}


//______________________________________________________________________________
void AliPHOSQATask::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 AliPHOSQATask::CreateOutputObjects()
{  
  // create histograms 
  
  fhPHOSPos            = new TNtuple("PHOSPos"         , "Position in PHOS"  , "x:y:z");
  fhPHOS               = new TNtuple("PHOS"            , "PHOS"  , "event:digits:clusters:photons");
  fhPHOSEnergy         = new TH1D("PHOSEnergy"         , "PHOSEnergy"        , 1000, 0., 10. ) ;
  fhPHOSDigits         = new TH1I("PHOSDigitsCluster"  , "PHOSDigits"        , 20 , 0 , 20  ) ;
  fhPHOSRecParticles   = new TH1D("PHOSRecParticles"   , "PHOSRecParticles" , 20 , 0., 20. ) ;
  fhPHOSPhotons        = new TH1I("PHOSPhotons"        , "PHOSPhotons"       , 20 , 0 , 20  ) ;
  fhPHOSInvariantMass  = new TH1D("PHOSInvariantMass"  , "PHOSInvariantMass" , 400, 0., 400.) ;
  fhPHOSDigitsEvent    = new TH1I("PHOSDigitsEvent"    , "PHOSDigitsEvent"   , 30 , 0 , 30  ) ;
  
  // create output container
  
  fOutputContainer = new TObjArray(8) ; 
  fOutputContainer->SetName(GetName()) ; 

  fOutputContainer->AddAt(fhPHOSPos,             0) ; 
  fOutputContainer->AddAt(fhPHOS,                1) ; 
  fOutputContainer->AddAt(fhPHOSEnergy,          2) ; 
  fOutputContainer->AddAt(fhPHOSDigits,          3) ; 
  fOutputContainer->AddAt(fhPHOSRecParticles,    4) ; 
  fOutputContainer->AddAt(fhPHOSPhotons,         5) ; 
  fOutputContainer->AddAt(fhPHOSInvariantMass,   6) ; 
  fOutputContainer->AddAt(fhPHOSDigitsEvent,     7) ; 
}

//______________________________________________________________________________
void AliPHOSQATask::Exec(Option_t *) 
{
  // Processing of one event
    
  Long64_t entry = fChain->GetReadEntry() ;
  
  if (!fESD) {
    AliError("fESD is not connected to the input!") ; 
    return ; 
  }
  
  if ( !((entry-1)%100) ) 
    AliInfo(Form("%s ----> Processing event # %lld",  (dynamic_cast<TChain *>(fChain))->GetFile()->GetName(), entry)) ; 
  
  //************************  PHOS *************************************
      
  Int_t       firstPhosCluster       = fESD->GetFirstPHOSCluster() ;
  const Int_t numberOfPhosClusters   = fESD->GetNumberOfPHOSClusters() ;
  
  TVector3 ** phosVector       = new TVector3*[numberOfPhosClusters] ;
  Float_t  * phosPhotonsEnergy = new Float_t[numberOfPhosClusters] ;
  Int_t      phosCluster ; 
  Int_t      numberOfPhotonsInPhos  = 0 ;
  Int_t      numberOfDigitsInPhos   = 0 ;
  
  // loop over the PHOS Cluster
  for(phosCluster = firstPhosCluster ; phosCluster < firstPhosCluster + numberOfPhosClusters ; phosCluster++) {
    AliESDCaloCluster * caloCluster = fESD->GetCaloCluster(phosCluster) ;
    if (caloCluster) {
      Float_t pos[3] ;
      caloCluster->GetGlobalPosition( pos ) ;
      fhPHOSEnergy->Fill( caloCluster->GetClusterEnergy() ) ;
      fhPHOSPos->Fill( pos[0], pos[1], pos[2] ) ;
      fhPHOSDigits->Fill(entry, caloCluster->GetNumberOfDigits() ) ;
      numberOfDigitsInPhos += caloCluster->GetNumberOfDigits() ;
      Float_t * pid = caloCluster->GetPid() ;
      if(pid[AliPID::kPhoton] > 0.9) {
	phosVector[numberOfPhotonsInPhos] = new TVector3(pos[0],pos[1],pos[2]) ;
	phosPhotonsEnergy[numberOfPhotonsInPhos]=caloCluster->GetClusterEnergy() ;
	numberOfPhotonsInPhos++;
      }
    }
  } //PHOS clusters
    
  fhPHOSRecParticles->Fill(numberOfPhosClusters);
  fhPHOSPhotons->Fill(numberOfPhotonsInPhos);
  fhPHOSDigitsEvent->Fill(numberOfDigitsInPhos);
  fhPHOS->Fill(entry, numberOfDigitsInPhos, numberOfPhosClusters, numberOfPhotonsInPhos) ; 

  // invariant Mass
  if (numberOfPhotonsInPhos > 1 ) {
    Int_t phosPhoton1, phosPhoton2 ; 
    for(phosPhoton1 = 0 ; phosPhoton1 < numberOfPhotonsInPhos ; phosPhoton1++) {
      for(phosPhoton2 = phosPhoton1 + 1 ; phosPhoton2 < numberOfPhotonsInPhos ; phosPhoton2++) {      
	Float_t tempMass = TMath::Sqrt( 2 * phosPhotonsEnergy[phosPhoton1] * phosPhotonsEnergy[phosPhoton2] *
					( 1 - TMath::Cos(phosVector[phosPhoton1]->Angle(*phosVector[phosPhoton2])) ) 
					);
	fhPHOSInvariantMass->Fill(tempMass*1000.);
      }
    }    
  }
  
  PostData(0, fOutputContainer);

  delete [] phosVector ; 
  delete [] phosPhotonsEnergy ; 
  
}

//______________________________________________________________________________
void AliPHOSQATask::Terminate(Option_t *)
{
  // Processing when the event loop is ended

  fOutputContainer = (TObjArray*)GetOutputData(0);  
  fhPHOSPos            = (TNtuple*)fOutputContainer->At(0);
  fhPHOS               = (TNtuple*)fOutputContainer->At(1);
  fhPHOSEnergy         = (TH1D*)fOutputContainer->At(2);
  fhPHOSDigits         = (TH1I*)fOutputContainer->At(3);
  fhPHOSRecParticles   = (TH1D*)fOutputContainer->At(4);
  fhPHOSPhotons        = (TH1I*)fOutputContainer->At(5);
  fhPHOSInvariantMass  = (TH1D*)fOutputContainer->At(6);
  fhPHOSDigitsEvent    = (TH1I*)fOutputContainer->At(7);

  printf("PHOSEnergy Mean         : %5.3f , RMS : %5.3f \n", fhPHOSEnergy->GetMean(),         fhPHOSEnergy->GetRMS()         ) ;
  printf("PHOSDigits Mean         : %5.3f , RMS : %5.3f \n", fhPHOSDigits->GetMean(),         fhPHOSDigits->GetRMS()         ) ;
  printf("PHOSRecParticles Mean   : %5.3f , RMS : %5.3f \n", fhPHOSRecParticles->GetMean(),   fhPHOSRecParticles->GetRMS()   ) ;
  printf("PHOSPhotons Mean        : %5.3f , RMS : %5.3f \n", fhPHOSPhotons->GetMean(),        fhPHOSPhotons->GetRMS()        ) ;
  printf("PHOSInvariantMass Mean  : %5.3f , RMS : %5.3f \n", fhPHOSInvariantMass->GetMean(),  fhPHOSInvariantMass->GetRMS()  ) ;
  printf("PHOSDigitsEvent Mean    : %5.3f , RMS : %5.3f \n", fhPHOSDigitsEvent->GetMean(),    fhPHOSDigitsEvent->GetRMS()    ) ;

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

  cPHOS->cd(1) ; 
  gPad->SetLogy();
  fhPHOSEnergy->SetAxisRange(0, 25.);
  fhPHOSEnergy->SetLineColor(2);
  fhPHOSEnergy->Draw();

  cPHOS->cd(2) ; 
  fhPHOSDigits->SetAxisRange(0,25.);
  fhPHOSDigits->SetLineColor(2);
  fhPHOSDigits->Draw();

  cPHOS->cd(3) ; 
  gPad->SetLogy();
  fhPHOSRecParticles->SetAxisRange(0, 25.);
  fhPHOSRecParticles->SetLineColor(2);
  fhPHOSRecParticles->Draw();

  cPHOS->cd(4) ; 
  gPad->SetLogy();
  fhPHOSPhotons->SetAxisRange(0,25.);
  fhPHOSPhotons->SetLineColor(2);
  fhPHOSPhotons->Draw();

  cPHOS->cd(5) ; 
  fhPHOSInvariantMass->SetLineColor(2);
  fhPHOSInvariantMass->Draw();
 
  cPHOS->cd(6) ; 
  gPad->SetLogy();
  fhPHOSDigitsEvent->SetAxisRange(0,40.);
  fhPHOSDigitsEvent->SetLineColor(2);
  fhPHOSDigitsEvent->Draw();
 
  cPHOS->Print("PHOS.eps");
 
  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())) ;
}
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 PHOS photon data in simulated data
	20	//
	21	//*-- Yves Schutz
	22	//////////////////////////////////////////////////////////////////////////////
	23
0b28fd57	24	#include <TCanvas.h>
1dfe075f	25	#include <TChain.h>
0b28fd57	26	#include <TFile.h>
1dfe075f	27	#include <TH1.h>
	28	#include <TH1F.h>
	29	#include <TH1I.h>
1dfe075f	30	#include <TLegend.h>
0b28fd57	31	#include <TNtuple.h>
0b28fd57	32	#include <TROOT.h>
1dfe075f	33	#include <TVector3.h>
1dfe075f	34
	35	#include "AliPHOSQATask.h"
	36	#include "AliESD.h"
	37	#include "AliLog.h"
	38
	39	//______________________________________________________________________________
	40	AliPHOSQATask::AliPHOSQATask(const char *name) :
	41	AliAnalysisTask(name,""),
	42	fChain(0),
	43	fESD(0),
	44	fhPHOS(0),
	45	fhPHOSEnergy(0),
	46	fhPHOSDigits(0),
	47	fhPHOSRecParticles(0),
	48	fhPHOSPhotons(0),
	49	fhPHOSInvariantMass(0),
	50	fhPHOSDigitsEvent(0)
	51	{
	52	// Constructor.
	53	// Input slot #0 works with an Ntuple
	54	DefineInput(0, TChain::Class());
	55	// Output slot #0 writes into a TH1 container
	56	DefineOutput(0, TObjArray::Class()) ;
	57	}
	58
	59	//______________________________________________________________________________
	60	AliPHOSQATask::~AliPHOSQATask()
	61	{
	62	// dtor
	63	fOutputContainer->Clear() ;
	64	delete fOutputContainer ;
	65
	66	delete fhPHOSPos ;
	67	delete fhPHOS ;
	68	delete fhPHOSEnergy ;
	69	delete fhPHOSDigits ;
	70	delete fhPHOSRecParticles ;
	71	delete fhPHOSPhotons ;
	72	delete fhPHOSInvariantMass ;
	73	delete fhPHOSDigitsEvent ;
	74	}
	75
	76
	77	//______________________________________________________________________________
c52c2132	78	void AliPHOSQATask::ConnectInputData(const Option_t*)
1dfe075f	79	{
	80	// Initialisation of branch container and histograms
	81
	82	AliInfo(Form("*** Initialization of %s", GetName())) ;
	83
	84	// Get input data
	85	fChain = dynamic_cast<TChain *>(GetInputData(0)) ;
	86	if (!fChain) {
	87	AliError(Form("Input 0 for %s not found\n", GetName()));
	88	return ;
	89	}
	90
c52c2132	91	// One should first check if the branch address was taken by some other task
	92	char address = (char )GetBranchAddress(0, "ESD");
	93	if (address) {
	94	fESD = (AliESD)(address);
	95	} else {
	96	fESD = new AliESD();
	97	SetBranchAddress(0, "ESD", &fESD);
1dfe075f	98	}
c52c2132	99	}
	100
	101	//________________________________________________________________________
	102	void AliPHOSQATask::CreateOutputObjects()
	103	{
1dfe075f	104	// create histograms
	105
	106	fhPHOSPos = new TNtuple("PHOSPos" , "Position in PHOS" , "x:y:z");
	107	fhPHOS = new TNtuple("PHOS" , "PHOS" , "event:digits:clusters:photons");
	108	fhPHOSEnergy = new TH1D("PHOSEnergy" , "PHOSEnergy" , 1000, 0., 10. ) ;
	109	fhPHOSDigits = new TH1I("PHOSDigitsCluster" , "PHOSDigits" , 20 , 0 , 20 ) ;
	110	fhPHOSRecParticles = new TH1D("PHOSRecParticles" , "PHOSRecParticles" , 20 , 0., 20. ) ;
	111	fhPHOSPhotons = new TH1I("PHOSPhotons" , "PHOSPhotons" , 20 , 0 , 20 ) ;
	112	fhPHOSInvariantMass = new TH1D("PHOSInvariantMass" , "PHOSInvariantMass" , 400, 0., 400.) ;
	113	fhPHOSDigitsEvent = new TH1I("PHOSDigitsEvent" , "PHOSDigitsEvent" , 30 , 0 , 30 ) ;
	114
	115	// create output container
	116
	117	fOutputContainer = new TObjArray(8) ;
	118	fOutputContainer->SetName(GetName()) ;
	119
	120	fOutputContainer->AddAt(fhPHOSPos, 0) ;
	121	fOutputContainer->AddAt(fhPHOS, 1) ;
	122	fOutputContainer->AddAt(fhPHOSEnergy, 2) ;
	123	fOutputContainer->AddAt(fhPHOSDigits, 3) ;
	124	fOutputContainer->AddAt(fhPHOSRecParticles, 4) ;
	125	fOutputContainer->AddAt(fhPHOSPhotons, 5) ;
	126	fOutputContainer->AddAt(fhPHOSInvariantMass, 6) ;
	127	fOutputContainer->AddAt(fhPHOSDigitsEvent, 7) ;
	128	}
	129
	130	//______________________________________________________________________________
	131	void AliPHOSQATask::Exec(Option_t *)
	132	{
	133	// Processing of one event
	134
	135	Long64_t entry = fChain->GetReadEntry() ;
	136
	137	if (!fESD) {
	138	AliError("fESD is not connected to the input!") ;
	139	return ;
	140	}
	141
	142	if ( !((entry-1)%100) )
	143	AliInfo(Form("%s ----> Processing event # %lld", (dynamic_cast<TChain *>(fChain))->GetFile()->GetName(), entry)) ;
	144
	145	//********************** PHOS ***********************************
	146
	147	Int_t firstPhosCluster = fESD->GetFirstPHOSCluster() ;
	148	const Int_t numberOfPhosClusters = fESD->GetNumberOfPHOSClusters() ;
	149
	150	TVector3 ** phosVector = new TVector3*[numberOfPhosClusters] ;
	151	Float_t * phosPhotonsEnergy = new Float_t[numberOfPhosClusters] ;
	152	Int_t phosCluster ;
	153	Int_t numberOfPhotonsInPhos = 0 ;
	154	Int_t numberOfDigitsInPhos = 0 ;
	155
	156	// loop over the PHOS Cluster
	157	for(phosCluster = firstPhosCluster ; phosCluster < firstPhosCluster + numberOfPhosClusters ; phosCluster++) {
	158	AliESDCaloCluster * caloCluster = fESD->GetCaloCluster(phosCluster) ;
	159	if (caloCluster) {
	160	Float_t pos[3] ;
	161	caloCluster->GetGlobalPosition( pos ) ;
	162	fhPHOSEnergy->Fill( caloCluster->GetClusterEnergy() ) ;
	163	fhPHOSPos->Fill( pos[0], pos[1], pos[2] ) ;
	164	fhPHOSDigits->Fill(entry, caloCluster->GetNumberOfDigits() ) ;
	165	numberOfDigitsInPhos += caloCluster->GetNumberOfDigits() ;
	166	Float_t * pid = caloCluster->GetPid() ;
	167	if(pid[AliPID::kPhoton] > 0.9) {
168	phosVector[numberOfPhotonsInPhos] = new TVector3(pos[0],pos[1],pos[2]) ;
169	phosPhotonsEnergy[numberOfPhotonsInPhos]=caloCluster->GetClusterEnergy() ;
170	numberOfPhotonsInPhos++;
171	}
172	}
173	} //PHOS clusters
174
175	fhPHOSRecParticles->Fill(numberOfPhosClusters);
176	fhPHOSPhotons->Fill(numberOfPhotonsInPhos);
177	fhPHOSDigitsEvent->Fill(numberOfDigitsInPhos);
178	fhPHOS->Fill(entry, numberOfDigitsInPhos, numberOfPhosClusters, numberOfPhotonsInPhos) ;
179
180	// invariant Mass
181	if (numberOfPhotonsInPhos > 1 ) {
182	Int_t phosPhoton1, phosPhoton2 ;
183	for(phosPhoton1 = 0 ; phosPhoton1 < numberOfPhotonsInPhos ; phosPhoton1++) {
184	for(phosPhoton2 = phosPhoton1 + 1 ; phosPhoton2 < numberOfPhotonsInPhos ; phosPhoton2++) {
185	Float_t tempMass = TMath::Sqrt( 2 * phosPhotonsEnergy[phosPhoton1] * phosPhotonsEnergy[phosPhoton2] *
186	( 1 - TMath::Cos(phosVector[phosPhoton1]->Angle(*phosVector[phosPhoton2])) )
187	);
188	fhPHOSInvariantMass->Fill(tempMass*1000.);
189	}
190	}
191	}
192
193	PostData(0, fOutputContainer);
194
195	delete [] phosVector ;
196	delete [] phosPhotonsEnergy ;
197
198	}
199
200	//______________________________________________________________________________
201	void AliPHOSQATask::Terminate(Option_t *)
202	{
203	// Processing when the event loop is ended
c52c2132	204
	205	fOutputContainer = (TObjArray*)GetOutputData(0);
	206	fhPHOSPos = (TNtuple*)fOutputContainer->At(0);
	207	fhPHOS = (TNtuple*)fOutputContainer->At(1);
	208	fhPHOSEnergy = (TH1D*)fOutputContainer->At(2);
	209	fhPHOSDigits = (TH1I*)fOutputContainer->At(3);
	210	fhPHOSRecParticles = (TH1D*)fOutputContainer->At(4);
	211	fhPHOSPhotons = (TH1I*)fOutputContainer->At(5);
	212	fhPHOSInvariantMass = (TH1D*)fOutputContainer->At(6);
	213	fhPHOSDigitsEvent = (TH1I*)fOutputContainer->At(7);
	214
1dfe075f	215	printf("PHOSEnergy Mean : %5.3f , RMS : %5.3f \n", fhPHOSEnergy->GetMean(), fhPHOSEnergy->GetRMS() ) ;
	216	printf("PHOSDigits Mean : %5.3f , RMS : %5.3f \n", fhPHOSDigits->GetMean(), fhPHOSDigits->GetRMS() ) ;
	217	printf("PHOSRecParticles Mean : %5.3f , RMS : %5.3f \n", fhPHOSRecParticles->GetMean(), fhPHOSRecParticles->GetRMS() ) ;
	218	printf("PHOSPhotons Mean : %5.3f , RMS : %5.3f \n", fhPHOSPhotons->GetMean(), fhPHOSPhotons->GetRMS() ) ;
	219	printf("PHOSInvariantMass Mean : %5.3f , RMS : %5.3f \n", fhPHOSInvariantMass->GetMean(), fhPHOSInvariantMass->GetRMS() ) ;
	220	printf("PHOSDigitsEvent Mean : %5.3f , RMS : %5.3f \n", fhPHOSDigitsEvent->GetMean(), fhPHOSDigitsEvent->GetRMS() ) ;
	221
	222	TCanvas * cPHOS = new TCanvas("cPHOS", "PHOS ESD Test", 400, 10, 600, 700) ;
	223	cPHOS->Divide(3, 2);
	224
	225	cPHOS->cd(1) ;
	226	gPad->SetLogy();
	227	fhPHOSEnergy->SetAxisRange(0, 25.);
	228	fhPHOSEnergy->SetLineColor(2);
	229	fhPHOSEnergy->Draw();
	230
	231	cPHOS->cd(2) ;
	232	fhPHOSDigits->SetAxisRange(0,25.);
	233	fhPHOSDigits->SetLineColor(2);
	234	fhPHOSDigits->Draw();
	235
	236	cPHOS->cd(3) ;
	237	gPad->SetLogy();
	238	fhPHOSRecParticles->SetAxisRange(0, 25.);
	239	fhPHOSRecParticles->SetLineColor(2);
	240	fhPHOSRecParticles->Draw();
	241
	242	cPHOS->cd(4) ;
	243	gPad->SetLogy();
	244	fhPHOSPhotons->SetAxisRange(0,25.);
	245	fhPHOSPhotons->SetLineColor(2);
	246	fhPHOSPhotons->Draw();
	247
	248	cPHOS->cd(5) ;
	249	fhPHOSInvariantMass->SetLineColor(2);
	250	fhPHOSInvariantMass->Draw();
	251
	252	cPHOS->cd(6) ;
	253	gPad->SetLogy();
	254	fhPHOSDigitsEvent->SetAxisRange(0,40.);
	255	fhPHOSDigitsEvent->SetLineColor(2);
	256	fhPHOSDigitsEvent->Draw();
	257
	258	cPHOS->Print("PHOS.eps");
	259
	260	char line[1024] ;
	261	sprintf(line, ".!tar -zcvf %s.tar.gz *.eps", GetName()) ;
	262	gROOT->ProcessLine(line);
	263	sprintf(line, ".!rm -fR *.eps");
	264	gROOT->ProcessLine(line);
	265
	266	AliInfo(Form("!!! All the eps files are in %s.tar.gz !!! \n", GetName())) ;
	267	}