[u/mrichter/AliRoot.git] / PWG4 / PartCorrDep / AliAnalysisTaskPHOSExample.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: */

//_________________________________________________________________________∫
// A basic analysis task to analyse photon detected by PHOS
// A basic analysis task to analyse photon detected by PHOS
// A basic analysis task to analyse photon detected by PHOS
// Adapted for AliAnalysisTaskSE and AOD production 
// by Gustavo Conesa
//
//*-- Yves Schutz 
//////////////////////////////////////////////////////////////////////////////
//Root system
#include <TCanvas.h>
#include <TH1D.h>
#include <TROOT.h>
#include <TNtuple.h>
#include <TVector3.h> 

//Analysis system
#include "AliAnalysisTaskPHOSExample.h" 
#include "AliESDEvent.h" 
#include "AliESDCaloCluster.h" 
#include "AliAODEvent.h"
#include "AliAODPhoton.h"
#include "AliLog.h"


//______________________________________________________________________________
AliAnalysisTaskPHOSExample::AliAnalysisTaskPHOSExample() : 
  fDebug(0),  
  fAODPhotons(0x0), 
  fPhotonsInPhos(0),
  fPhotonId(1.0),
  fOutputList(0x0), 
  fhPHOSPos(0),
  fhPHOS(0),
  fhPHOSEnergy(0),
  fhPHOSDigits(0),
  fhPHOSRecParticles(0),
  fhPHOSPhotons(0),
  fhPHOSInvariantMass(0),
  fhPHOSDigitsEvent(0)
{
  //Default constructor
}
//______________________________________________________________________________
AliAnalysisTaskPHOSExample::AliAnalysisTaskPHOSExample(const char *name) : 
  AliAnalysisTaskSE(name),  
  fDebug(0),
  fAODPhotons(0x0), 
  fPhotonsInPhos(0),
  fPhotonId(1.0),
  fOutputList(0x0), 
  fhPHOSPos(0),
  fhPHOS(0),
  fhPHOSEnergy(0),
  fhPHOSDigits(0),
  fhPHOSRecParticles(0),
  fhPHOSPhotons(0),
  fhPHOSInvariantMass(0),
  fhPHOSDigitsEvent(0)
{
  // Constructor.

  // Output slots 
  DefineOutput(1,  TList::Class()) ; 
}

//____________________________________________________________________________
AliAnalysisTaskPHOSExample::AliAnalysisTaskPHOSExample(const AliAnalysisTaskPHOSExample& ap) :
  AliAnalysisTaskSE(ap.GetName()),  
  fDebug(ap.fDebug),
  fAODPhotons(ap.fAODPhotons), 
  fPhotonsInPhos(ap.fPhotonsInPhos),
  fPhotonId(ap.fPhotonId),
  fOutputList(ap.fOutputList), 
  fhPHOSPos(ap.fhPHOSPos),
  fhPHOS(ap.fhPHOS),
  fhPHOSEnergy(ap.fhPHOSEnergy),
  fhPHOSDigits(ap.fhPHOSDigits),
  fhPHOSRecParticles(ap.fhPHOSRecParticles),
  fhPHOSPhotons(ap.fhPHOSPhotons),
  fhPHOSInvariantMass(ap.fhPHOSInvariantMass),
  fhPHOSDigitsEvent(ap.fhPHOSDigitsEvent)
{ 
  // cpy ctor
}

//_____________________________________________________________________________
AliAnalysisTaskPHOSExample& AliAnalysisTaskPHOSExample::operator = (const AliAnalysisTaskPHOSExample& ap)
{
// assignment operator

  this->~AliAnalysisTaskPHOSExample();
  new(this) AliAnalysisTaskPHOSExample(ap);
  
  fDebug = ap.fDebug;
  fAODPhotons = ap.fAODPhotons; 
  fPhotonsInPhos = ap.fPhotonsInPhos;
  fPhotonId = ap.fPhotonId;
  fOutputList = ap.fOutputList;
  fhPHOSPos = ap.fhPHOSPos;
  fhPHOS = ap.fhPHOS;
  fhPHOSEnergy = ap.fhPHOSEnergy;
  fhPHOSDigits = ap.fhPHOSDigits;
  fhPHOSRecParticles = ap.fhPHOSRecParticles;
  fhPHOSPhotons = ap.fhPHOSPhotons;
  fhPHOSInvariantMass = ap.fhPHOSInvariantMass;
  fhPHOSDigitsEvent = ap.fhPHOSDigitsEvent;
  
  return *this;
}

//______________________________________________________________________________
AliAnalysisTaskPHOSExample::~AliAnalysisTaskPHOSExample()
{
  // dtor
  if(fOutputList) {
    fOutputList->Clear() ; 
    delete fOutputList ;
  }
}


//________________________________________________________________________
void AliAnalysisTaskPHOSExample::UserCreateOutputObjects()
{  
  // Create the outputs containers
   //AODs
  fAODPhotons = new TClonesArray("AliAODPhoton", 0);
  fAODPhotons->SetName("Photons");
  AddAODBranch("TClonesArray", &fAODPhotons);

  OpenFile(1) ; 

  fhPHOSPos            = new TNtuple("PHOSPos"         , "Position in PHOS"  , "x:y:z");
  fhPHOS               = new TNtuple("PHOS"            , "PHOS"  , "event:digits:clusters:photons");
  fhPHOSEnergy         = new TH1D("PHOSEnergy"         , "PHOSEnergy"        , 100, 0., 100. ) ;
  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
  
  fOutputList = new TList() ; 
  fOutputList->SetName(GetName()) ; 

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


}

//______________________________________________________________________________
void AliAnalysisTaskPHOSExample::UserExec(Option_t *) 
{
  // Processing of one event
  
  // if ( !((Entry()-1)%100) ) 
  AliInfo(Form(" Processing event # %lld",  Entry())) ; 
  AliESDEvent* esd = (AliESDEvent*)InputEvent();
  
  //************************  PHOS *************************************
      TRefArray * caloClustersArr  = new TRefArray();  
  esd->GetPHOSClusters(caloClustersArr);
  
  const Int_t kNumberOfPhosClusters   = caloClustersArr->GetEntries() ;  
  
  TVector3 ** phosVector       = new TVector3*[kNumberOfPhosClusters] ;
  Float_t  * phosPhotonsEnergy = new Float_t[kNumberOfPhosClusters] ;
  Int_t      phosCluster ; 
  Int_t      numberOfDigitsInPhos   = 0 ;
  Double_t v[3] ; //vertex ;
  esd->GetVertex()->GetXYZ(v) ;

  fPhotonsInPhos  = 0 ;
  // loop over the PHOS Cluster
  for(phosCluster = 0 ; phosCluster < kNumberOfPhosClusters ; phosCluster++) {
    AliESDCaloCluster * caloCluster = (AliESDCaloCluster *) caloClustersArr->At(phosCluster) ;
  
    //AliESDCaloCluster * caloCluster = fESD->GetCaloCluster(phosCluster) ;
    if (caloCluster) {
      Float_t pos[3] ;
      caloCluster->GetPosition( pos ) ;
      fhPHOSEnergy->Fill( caloCluster->E() ) ;
      fhPHOSPos->Fill( pos[0], pos[1], pos[2] ) ;
      fhPHOSDigits->Fill(Entry(), caloCluster->GetNCells() ) ;
      numberOfDigitsInPhos += caloCluster->GetNCells() ;
      Double_t * pid = caloCluster->GetPid() ;
      if(pid[AliPID::kPhoton] > GetPhotonId() ) {
	phosVector[fPhotonsInPhos] = new TVector3(pos[0],pos[1],pos[2]) ;
	phosPhotonsEnergy[fPhotonsInPhos]=caloCluster->E() ;
	TLorentzVector momentum ;
	caloCluster->GetMomentum(momentum, v);   
	new ((*fAODPhotons)[fPhotonsInPhos++]) AliAODPhoton (momentum);
      }
    }
  } //PHOS clusters
    
  fhPHOSRecParticles->Fill(kNumberOfPhosClusters);
  fhPHOSPhotons->Fill(fPhotonsInPhos);
  fhPHOSDigitsEvent->Fill(numberOfDigitsInPhos);
  fhPHOS->Fill(Entry(), numberOfDigitsInPhos, kNumberOfPhosClusters, fPhotonsInPhos) ; 

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

  delete [] phosVector ; 
  delete [] phosPhotonsEnergy ; 
  
}


//______________________________________________________________________________
void AliAnalysisTaskPHOSExample::Init()
{
  // Intialisation of parameters
  AliInfo("Doing initialisation") ; 
  fPhotonId = 0.9 ; 
}

//______________________________________________________________________________
void AliAnalysisTaskPHOSExample::Terminate(Option_t *)
{
  // Processing when the event loop is ended
  
  Bool_t problem = kFALSE ; 
  AliInfo(Form(" *** %s Report:", GetName())) ; 
  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) ; 
  if ( fhPHOSEnergy->GetMaximum() > 0. ) 
    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) ; 
  if ( fhPHOSRecParticles->GetMaximum() > 0. ) 
    gPad->SetLogy();
  fhPHOSRecParticles->SetAxisRange(0, 25.);
  fhPHOSRecParticles->SetLineColor(2);
  fhPHOSRecParticles->Draw();

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

  cPHOS->cd(5) ; 
  fhPHOSInvariantMass->SetLineColor(2);
  fhPHOSInvariantMass->Draw();
 
  cPHOS->cd(6) ; 
  if ( fhPHOSDigitsEvent->GetMaximum() > 0. ) 
    gPad->SetLogy();
  fhPHOSDigitsEvent->SetAxisRange(0,40.);
  fhPHOSDigitsEvent->SetLineColor(2);
  fhPHOSDigitsEvent->Draw();
 
  cPHOS->Print("PHOS.eps");
 
  char line[1024] ; 
  sprintf(line, ".!tar -zcf %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 !!!", GetName())) ;

  char * report ; 
  if(problem)
    report="Problems found, please check!!!";  
  else 
    report="OK";

  AliInfo(Form("*** %s Summary Report: %s \n",GetName(), report)) ; 
}
Commit	Line	Data
1c5acb87	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
477d6cee	18	//_________________________________________________________________________∫
1c5acb87	19	// A basic analysis task to analyse photon detected by PHOS
	20	// A basic analysis task to analyse photon detected by PHOS
	21	// A basic analysis task to analyse photon detected by PHOS
	22	// Adapted for AliAnalysisTaskSE and AOD production
	23	// by Gustavo Conesa
	24	//
	25	//*-- Yves Schutz
	26	//////////////////////////////////////////////////////////////////////////////
	27	//Root system
	28	#include <TCanvas.h>
477d6cee	29	#include <TH1D.h>
1c5acb87	30	#include <TROOT.h>
1c5acb87	31	#include <TNtuple.h>
1c5acb87	32	#include <TVector3.h>
1c5acb87	33
	34	//Analysis system
	35	#include "AliAnalysisTaskPHOSExample.h"
1c5acb87	36	#include "AliESDEvent.h"
	37	#include "AliESDCaloCluster.h"
	38	#include "AliAODEvent.h"
	39	#include "AliAODPhoton.h"
	40	#include "AliLog.h"
477d6cee	41
1c5acb87	42
	43	//______________________________________________________________________________
	44	AliAnalysisTaskPHOSExample::AliAnalysisTaskPHOSExample() :
	45	fDebug(0),
	46	fAODPhotons(0x0),
	47	fPhotonsInPhos(0),
	48	fPhotonId(1.0),
	49	fOutputList(0x0),
	50	fhPHOSPos(0),
	51	fhPHOS(0),
	52	fhPHOSEnergy(0),
	53	fhPHOSDigits(0),
	54	fhPHOSRecParticles(0),
	55	fhPHOSPhotons(0),
	56	fhPHOSInvariantMass(0),
	57	fhPHOSDigitsEvent(0)
	58	{
	59	//Default constructor
	60	}
	61	//______________________________________________________________________________
	62	AliAnalysisTaskPHOSExample::AliAnalysisTaskPHOSExample(const char *name) :
	63	AliAnalysisTaskSE(name),
	64	fDebug(0),
	65	fAODPhotons(0x0),
	66	fPhotonsInPhos(0),
	67	fPhotonId(1.0),
	68	fOutputList(0x0),
	69	fhPHOSPos(0),
	70	fhPHOS(0),
	71	fhPHOSEnergy(0),
	72	fhPHOSDigits(0),
	73	fhPHOSRecParticles(0),
	74	fhPHOSPhotons(0),
	75	fhPHOSInvariantMass(0),
	76	fhPHOSDigitsEvent(0)
	77	{
	78	// Constructor.
	79
	80	// Output slots
	81	DefineOutput(1, TList::Class()) ;
	82	}
	83
	84	//____________________________________________________________________________
	85	AliAnalysisTaskPHOSExample::AliAnalysisTaskPHOSExample(const AliAnalysisTaskPHOSExample& ap) :
	86	AliAnalysisTaskSE(ap.GetName()),
	87	fDebug(ap.fDebug),
	88	fAODPhotons(ap.fAODPhotons),
	89	fPhotonsInPhos(ap.fPhotonsInPhos),
	90	fPhotonId(ap.fPhotonId),
	91	fOutputList(ap.fOutputList),
	92	fhPHOSPos(ap.fhPHOSPos),
	93	fhPHOS(ap.fhPHOS),
	94	fhPHOSEnergy(ap.fhPHOSEnergy),
	95	fhPHOSDigits(ap.fhPHOSDigits),
	96	fhPHOSRecParticles(ap.fhPHOSRecParticles),
	97	fhPHOSPhotons(ap.fhPHOSPhotons),
	98	fhPHOSInvariantMass(ap.fhPHOSInvariantMass),
	99	fhPHOSDigitsEvent(ap.fhPHOSDigitsEvent)
	100	{
	101	// cpy ctor
	102	}
	103
	104	//_____________________________________________________________________________
	105	AliAnalysisTaskPHOSExample& AliAnalysisTaskPHOSExample::operator = (const AliAnalysisTaskPHOSExample& ap)
106	{
107	// assignment operator
108
109	this->~AliAnalysisTaskPHOSExample();
110	new(this) AliAnalysisTaskPHOSExample(ap);
111
112	fDebug = ap.fDebug;
113	fAODPhotons = ap.fAODPhotons;
114	fPhotonsInPhos = ap.fPhotonsInPhos;
115	fPhotonId = ap.fPhotonId;
116	fOutputList = ap.fOutputList;
117	fhPHOSPos = ap.fhPHOSPos;
118	fhPHOS = ap.fhPHOS;
119	fhPHOSEnergy = ap.fhPHOSEnergy;
120	fhPHOSDigits = ap.fhPHOSDigits;
121	fhPHOSRecParticles = ap.fhPHOSRecParticles;
122	fhPHOSPhotons = ap.fhPHOSPhotons;
123	fhPHOSInvariantMass = ap.fhPHOSInvariantMass;
124	fhPHOSDigitsEvent = ap.fhPHOSDigitsEvent;
125
126	return *this;
127	}
128
129	//______________________________________________________________________________
130	AliAnalysisTaskPHOSExample::~AliAnalysisTaskPHOSExample()
131	{
132	// dtor
133	if(fOutputList) {
134	fOutputList->Clear() ;
135	delete fOutputList ;
136	}
137	}
138
139
140	//________________________________________________________________________
141	void AliAnalysisTaskPHOSExample::UserCreateOutputObjects()
142	{
143	// Create the outputs containers
144	//AODs
145	fAODPhotons = new TClonesArray("AliAODPhoton", 0);
146	fAODPhotons->SetName("Photons");
147	AddAODBranch("TClonesArray", &fAODPhotons);
148
149	OpenFile(1) ;
150
151	fhPHOSPos = new TNtuple("PHOSPos" , "Position in PHOS" , "x:y:z");
152	fhPHOS = new TNtuple("PHOS" , "PHOS" , "event:digits:clusters:photons");
153	fhPHOSEnergy = new TH1D("PHOSEnergy" , "PHOSEnergy" , 100, 0., 100. ) ;
154	fhPHOSDigits = new TH1I("PHOSDigitsCluster" , "PHOSDigits" , 20 , 0 , 20 ) ;
155	fhPHOSRecParticles = new TH1D("PHOSRecParticles" , "PHOSRecParticles" , 20 , 0., 20. ) ;
156	fhPHOSPhotons = new TH1I("PHOSPhotons" , "PHOSPhotons" , 20 , 0 , 20 ) ;
157	fhPHOSInvariantMass = new TH1D("PHOSInvariantMass" , "PHOSInvariantMass" , 400, 0., 400.) ;
158	fhPHOSDigitsEvent = new TH1I("PHOSDigitsEvent" , "PHOSDigitsEvent" , 30 , 0 , 30 ) ;
159
160	// create output container
161
162	fOutputList = new TList() ;
163	fOutputList->SetName(GetName()) ;
164
165	fOutputList->AddAt(fhPHOSPos, 0) ;
166	fOutputList->AddAt(fhPHOS, 1) ;
167	fOutputList->AddAt(fhPHOSEnergy, 2) ;
168	fOutputList->AddAt(fhPHOSDigits, 3) ;
169	fOutputList->AddAt(fhPHOSRecParticles, 4) ;
170	fOutputList->AddAt(fhPHOSPhotons, 5) ;
171	fOutputList->AddAt(fhPHOSInvariantMass, 6) ;
172	fOutputList->AddAt(fhPHOSDigitsEvent, 7) ;
173
174
175	}
176
177	//______________________________________________________________________________
178	void AliAnalysisTaskPHOSExample::UserExec(Option_t *)
179	{
180	// Processing of one event
181
182	// if ( !((Entry()-1)%100) )
183	AliInfo(Form(" Processing event # %lld", Entry())) ;
184	AliESDEvent* esd = (AliESDEvent*)InputEvent();
185
186	//********************** PHOS ***********************************
187	TRefArray * caloClustersArr = new TRefArray();
188	esd->GetPHOSClusters(caloClustersArr);
189
190	const Int_t kNumberOfPhosClusters = caloClustersArr->GetEntries() ;
191
192	TVector3 ** phosVector = new TVector3*[kNumberOfPhosClusters] ;
193	Float_t * phosPhotonsEnergy = new Float_t[kNumberOfPhosClusters] ;
194	Int_t phosCluster ;
195	Int_t numberOfDigitsInPhos = 0 ;
196	Double_t v[3] ; //vertex ;
197	esd->GetVertex()->GetXYZ(v) ;
198
199	fPhotonsInPhos = 0 ;
200	// loop over the PHOS Cluster
201	for(phosCluster = 0 ; phosCluster < kNumberOfPhosClusters ; phosCluster++) {
202	AliESDCaloCluster * caloCluster = (AliESDCaloCluster *) caloClustersArr->At(phosCluster) ;
203
204	//AliESDCaloCluster * caloCluster = fESD->GetCaloCluster(phosCluster) ;
205	if (caloCluster) {
206	Float_t pos[3] ;
207	caloCluster->GetPosition( pos ) ;
208	fhPHOSEnergy->Fill( caloCluster->E() ) ;
209	fhPHOSPos->Fill( pos[0], pos[1], pos[2] ) ;
210	fhPHOSDigits->Fill(Entry(), caloCluster->GetNCells() ) ;
211	numberOfDigitsInPhos += caloCluster->GetNCells() ;
212	Double_t * pid = caloCluster->GetPid() ;
213	if(pid[AliPID::kPhoton] > GetPhotonId() ) {
214	phosVector[fPhotonsInPhos] = new TVector3(pos[0],pos[1],pos[2]) ;
215	phosPhotonsEnergy[fPhotonsInPhos]=caloCluster->E() ;
216	TLorentzVector momentum ;
217	caloCluster->GetMomentum(momentum, v);
218	new ((*fAODPhotons)[fPhotonsInPhos++]) AliAODPhoton (momentum);
219	}
220	}
221	} //PHOS clusters
222
223	fhPHOSRecParticles->Fill(kNumberOfPhosClusters);
224	fhPHOSPhotons->Fill(fPhotonsInPhos);
225	fhPHOSDigitsEvent->Fill(numberOfDigitsInPhos);
226	fhPHOS->Fill(Entry(), numberOfDigitsInPhos, kNumberOfPhosClusters, fPhotonsInPhos) ;
227
228	// invariant Mass
229	if (fPhotonsInPhos > 1 ) {
230	Int_t phosPhoton1, phosPhoton2 ;
231	for(phosPhoton1 = 0 ; phosPhoton1 < fPhotonsInPhos ; phosPhoton1++) {
232	for(phosPhoton2 = phosPhoton1 + 1 ; phosPhoton2 < fPhotonsInPhos ; phosPhoton2++) {
233	Float_t tempMass = TMath::Sqrt( 2 * phosPhotonsEnergy[phosPhoton1] * phosPhotonsEnergy[phosPhoton2] *
234	( 1 - TMath::Cos(phosVector[phosPhoton1]->Angle(*phosVector[phosPhoton2])) )
235	);
236	fhPHOSInvariantMass->Fill(tempMass*1000.);
237	}
238	}
239	}
240
241	PostData(1, fOutputList);
242
243	delete [] phosVector ;
244	delete [] phosPhotonsEnergy ;
245
246	}
247
248
249	//______________________________________________________________________________
250	void AliAnalysisTaskPHOSExample::Init()
251	{
252	// Intialisation of parameters
253	AliInfo("Doing initialisation") ;
254	fPhotonId = 0.9 ;
255	}
256
257	//______________________________________________________________________________
258	void AliAnalysisTaskPHOSExample::Terminate(Option_t *)
259	{
260	// Processing when the event loop is ended
261
262	Bool_t problem = kFALSE ;
263	AliInfo(Form(" *** %s Report:", GetName())) ;
264	printf(" PHOSEnergy Mean : %5.3f , RMS : %5.3f \n", fhPHOSEnergy->GetMean(), fhPHOSEnergy->GetRMS() ) ;
265	printf(" PHOSDigits Mean : %5.3f , RMS : %5.3f \n", fhPHOSDigits->GetMean(), fhPHOSDigits->GetRMS() ) ;
266	printf(" PHOSRecParticles Mean : %5.3f , RMS : %5.3f \n", fhPHOSRecParticles->GetMean(), fhPHOSRecParticles->GetRMS() ) ;
267	printf(" PHOSPhotons Mean : %5.3f , RMS : %5.3f \n", fhPHOSPhotons->GetMean(), fhPHOSPhotons->GetRMS() ) ;
268	printf(" PHOSInvariantMass Mean : %5.3f , RMS : %5.3f \n", fhPHOSInvariantMass->GetMean(), fhPHOSInvariantMass->GetRMS() ) ;
269	printf(" PHOSDigitsEvent Mean : %5.3f , RMS : %5.3f \n", fhPHOSDigitsEvent->GetMean(), fhPHOSDigitsEvent->GetRMS() ) ;
270
271	TCanvas * cPHOS = new TCanvas("cPHOS", "PHOS ESD Test", 400, 10, 600, 700) ;
272	cPHOS->Divide(3, 2);
273
274	cPHOS->cd(1) ;
275	if ( fhPHOSEnergy->GetMaximum() > 0. )
276	gPad->SetLogy();
277	fhPHOSEnergy->SetAxisRange(0, 25.);
278	fhPHOSEnergy->SetLineColor(2);
279	fhPHOSEnergy->Draw();
280
281	cPHOS->cd(2) ;
282	fhPHOSDigits->SetAxisRange(0,25.);
283	fhPHOSDigits->SetLineColor(2);
284	fhPHOSDigits->Draw();
285
286	cPHOS->cd(3) ;
287	if ( fhPHOSRecParticles->GetMaximum() > 0. )
288	gPad->SetLogy();
289	fhPHOSRecParticles->SetAxisRange(0, 25.);
290	fhPHOSRecParticles->SetLineColor(2);
291	fhPHOSRecParticles->Draw();
292
293	cPHOS->cd(4) ;
294	if ( fhPHOSPhotons->GetMaximum() > 0. )
295	gPad->SetLogy();
296	fhPHOSPhotons->SetAxisRange(0,25.);
297	fhPHOSPhotons->SetLineColor(2);
298	fhPHOSPhotons->Draw();
299
300	cPHOS->cd(5) ;
301	fhPHOSInvariantMass->SetLineColor(2);
302	fhPHOSInvariantMass->Draw();
303
304	cPHOS->cd(6) ;
305	if ( fhPHOSDigitsEvent->GetMaximum() > 0. )
306	gPad->SetLogy();
307	fhPHOSDigitsEvent->SetAxisRange(0,40.);
308	fhPHOSDigitsEvent->SetLineColor(2);
309	fhPHOSDigitsEvent->Draw();
310
311	cPHOS->Print("PHOS.eps");
312
313	char line[1024] ;
314	sprintf(line, ".!tar -zcf %s.tar.gz *.eps", GetName()) ;
315	gROOT->ProcessLine(line);
316	sprintf(line, ".!rm -fR *.eps");
317	gROOT->ProcessLine(line);
318
319	AliInfo(Form("!!! All the eps files are in %s.tar.gz !!!", GetName())) ;
320
321	char * report ;
322	if(problem)
323	report="Problems found, please check!!!";
324	else
325	report="OK";
326
327	AliInfo(Form("*** %s Summary Report: %s \n",GetName(), report)) ;
328	}