[u/mrichter/AliRoot.git] / PWGDQ / dielectron / AliDielectron.h

#ifndef ALIDIELECTRON_H
#define ALIDIELECTRON_H
/* Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

//#####################################################
//#                                                   # 
//#             Class AliDielectron                   #
//#         Main Class for e+e- analysis              #
//#                                                   #
//#  by WooJin J. Park, GSI / W.J.Park@gsi.de         #
//#     Ionut C. Arsene, GSI / I.C.Arsene@gsi.de      #
//#     Magnus Mager, CERN / Magnus.Mager@cern.ch     #
//#     Jens Wiechula, Uni HD / Jens.Wiechula@cern.ch #
//#                                                   #
//#####################################################


#include <TNamed.h>
#include <TObjArray.h>

#include <AliAnalysisFilter.h>
#include <AliKFParticle.h>

#include "AliDielectronHistos.h"

class AliEventplane;
class AliVEvent;
class AliMCEvent;
class THashList;
class AliDielectronCF;
class AliDielectronDebugTree;
class AliDielectronTrackRotator;
class AliDielectronPair;
class AliDielectronSignalMC;
class AliDielectronMixingHandler;

//________________________________________________________________
class AliDielectron : public TNamed {

  friend class AliDielectronMixingHandler; //mixing as friend class

public:
  enum EPairType { kEv1PP=0, kEv1PM, kEv1MM,
      kEv1PEv2P, kEv1MEv2P, kEv2PP,
      kEv1PEv2M, kEv1MEv2M, kEv2PM,
      kEv2MM, kEv1PMRot };
  enum ELegType  { kEv1P, kEv1M, kEv2P, kEv2M };
  
  AliDielectron();
  AliDielectron(const char* name, const char* title);
  virtual ~AliDielectron();

  void Init();
  
  void Process(AliVEvent *ev1, AliVEvent *ev2=0);

  const AliAnalysisFilter& GetEventFilter() const { return fEventFilter; }
  const AliAnalysisFilter& GetTrackFilter() const { return fTrackFilter; }
  const AliAnalysisFilter& GetPairFilter()  const { return fPairFilter;  }

  AliAnalysisFilter& GetEventFilter()       { return fEventFilter;       }
  AliAnalysisFilter& GetTrackFilter()       { return fTrackFilter;       }
  AliAnalysisFilter& GetPairFilter()        { return fPairFilter;        }
  AliAnalysisFilter& GetPairPreFilter()     { return fPairPreFilter;     }
  AliAnalysisFilter& GetPairPreFilterLegs() { return fPairPreFilterLegs; }
  AliAnalysisFilter& GetEventPlanePreFilter(){ return fEventPlanePreFilter; }
  AliAnalysisFilter& GetEventPlanePOIPreFilter(){ return fEventPlanePOIPreFilter; }

  void  SetMotherPdg( Int_t pdgMother ) { fPdgMother=pdgMother; }
  void  SetLegPdg(Int_t pdgLeg1, Int_t pdgLeg2) { fPdgLeg1=pdgLeg1; fPdgLeg2=pdgLeg2; }
  Int_t GetMotherPdg() const { return fPdgMother; }
  Int_t GetLeg1Pdg()   const { return fPdgLeg1;   }
  Int_t GetLeg2Pdg()   const { return fPdgLeg2;   }

  void SetNoPairing(Bool_t noPairing=kTRUE) { fNoPairing=noPairing; }
  const TObjArray* GetTrackArray(Int_t i) const {return (i>=0&&i<4)?&fTracks[i]:0;}
  const TObjArray* GetPairArray(Int_t i)  const {return (i>=0&&i<11)?
      static_cast<TObjArray*>(fPairCandidates->UncheckedAt(i)):0;}

  TObjArray** GetPairArraysPointer() { return &fPairCandidates; }
  
  void SetHistogramManager(AliDielectronHistos * const histos) { fHistos=histos; }
  AliDielectronHistos* GetHistoManager() const { return fHistos; }
  const THashList * GetHistogramList() const { return fHistos?fHistos->GetHistogramList():0x0; }

  Bool_t HasCandidates() const { return GetPairArray(1)?GetPairArray(1)->GetEntriesFast()>0:0; }
  Bool_t HasCandidatesLikeSign() const {
    return (GetPairArray(0)&&GetPairArray(2)) ? (GetPairArray(0)->GetEntriesFast()>0 || GetPairArray(2)->GetEntriesFast()>0) : 0;
  }
  
  Bool_t HasCandidatesTR() const {return GetPairArray(10)?GetPairArray(10)->GetEntriesFast()>0:0;} 
  void SetCFManagerPair(AliDielectronCF * const cf) { fCfManagerPair=cf; }
  AliDielectronCF* GetCFManagerPair() const { return fCfManagerPair; }

  void SetPreFilterEventPlane(Bool_t setValue=kTRUE){fPreFilterEventPlane=setValue;};
  void SetLikeSignSubEvents(Bool_t setValue=kTRUE){fLikeSignSubEvents=setValue;};
  void SetPreFilterUnlikeOnly(Bool_t setValue=kTRUE){fPreFilterUnlikeOnly=setValue;};
  void SetPreFilterAllSigns(Bool_t setValue=kTRUE){fPreFilterAllSigns=setValue;};

  void SetTrackRotator(AliDielectronTrackRotator * const rot) { fTrackRotator=rot; }
  AliDielectronTrackRotator* GetTrackRotator() const { return fTrackRotator; }

  void SetMixingHandler(AliDielectronMixingHandler *mix) { fMixing=mix; }
  AliDielectronMixingHandler* GetMixingHandler() const { return fMixing; }

  void SetHasMC(Bool_t hasMC) { fHasMC = hasMC; }
  Bool_t GetHasMC() const     { return fHasMC;  }

  void SetStoreRotatedPairs(Bool_t storeTR) {fStoreRotatedPairs = storeTR;}

  void AddSignalMC(AliDielectronSignalMC* signal);  

  void SetDebugTree(AliDielectronDebugTree * const tree) { fDebugTree=tree; }

  const TObjArray* GetMCSignals() const { return fSignalsMC; }
  static const char* TrackClassName(Int_t i) { return (i>=0&&i<4)?fgkTrackClassNames[i]:""; }
  static const char* PairClassName(Int_t i)  { return (i>=0&&i<11)?fgkPairClassNames[i]:""; }

  void SetEstimatorFilename(const Char_t* filename) {fEstimatorFilename = filename;}
  void SetTRDcorrectionFilename(const Char_t* filename) {fTRDpidCorrectionFilename = filename;}
  void SetVZEROCalibrationFilename(const Char_t* filename) {fVZEROCalibrationFilename = filename;}
  void SetVZERORecenteringFilename(const Char_t* filename) {fVZERORecenteringFilename = filename;}

  void SaveDebugTree();

private:
  
  AliAnalysisFilter fEventFilter;    // Event cuts
  AliAnalysisFilter fTrackFilter;    // leg cuts
  AliAnalysisFilter fPairPreFilter;  // pair prefilter cuts
  AliAnalysisFilter fPairPreFilterLegs; // Leg filter after the pair prefilter cuts
  AliAnalysisFilter fPairFilter;     // pair cuts
  AliAnalysisFilter fEventPlanePreFilter;  // event plane prefilter cuts  
  AliAnalysisFilter fEventPlanePOIPreFilter;  // PoI cuts in the event plane prefilter  

  Int_t fPdgMother;     // pdg code of mother tracks
  Int_t fPdgLeg1;       // pdg code leg1
  Int_t fPdgLeg2;       // pdg code leg2

  TObjArray* fSignalsMC;      // array of AliDielectronSignalMC

  Bool_t fNoPairing;    // if to skip pairing, can be used for track QA only
    
  AliDielectronHistos *fHistos;   // Histogram manager
                                  //  Streaming and merging should be handled
                                  //  by the analysis framework
 
  TObjArray fTracks[4];           //! Selected track candidates
                                  //  0: Event1, positive particles
                                  //  1: Event1, negative particles
                                  //  2: Event2, positive particles
                                  //  3: Event2, negative particles

  TObjArray *fPairCandidates;     //! Pair candidate arrays
                                  //TODO: better way to store it? TClonesArray?

  AliDielectronCF *fCfManagerPair;//Correction Framework Manager for the Pair
  AliDielectronTrackRotator *fTrackRotator; //Track rotator
  AliDielectronDebugTree *fDebugTree;  // Debug tree output
  AliDielectronMixingHandler *fMixing; // handler for event mixing

  Bool_t fPreFilterEventPlane;  //Filter for the Eventplane determination in TPC
  Bool_t fLikeSignSubEvents;    //Option for dividing into subevents, sub1 ++ sub2 --
  Bool_t fPreFilterUnlikeOnly;  //Apply PreFilter either in +- or to ++/--/+- individually
  Bool_t fPreFilterAllSigns;    //Apply PreFilter find in  ++/--/+- and remove from all
  Bool_t fHasMC;                //If we run with MC, at the moment only needed in AOD
  Bool_t fStoreRotatedPairs;    //It the rotated pairs should be stored in the pair array 
 
  void FillTrackArrays(AliVEvent * const ev, Int_t eventNr=0);
  void EventPlanePreFilter(Int_t arr1, Int_t arr2, TObjArray arrTracks1, TObjArray arrTracks2, const AliVEvent *ev, AliEventplane *cevplane);
  void PairPreFilter(Int_t arr1, Int_t arr2, TObjArray &arrTracks1, TObjArray &arrTracks2);
  void FillPairArrays(Int_t arr1, Int_t arr2);
  void FillPairArrayTR();
  
  Int_t GetPairIndex(Int_t arr1, Int_t arr2) const {return arr1>=arr2?arr1*(arr1+1)/2+arr2:arr2*(arr2+1)/2+arr1;}

  void InitPairCandidateArrays();
  void ClearArrays();
  
  TObjArray* PairArray(Int_t i);
  
  static const char* fgkTrackClassNames[4];   //Names for track arrays
  static const char* fgkPairClassNames[11];   //Names for pair arrays

  TString fEstimatorFilename;                // name for the pp multiplicity estimators filename
  TString fTRDpidCorrectionFilename;         // name for the file containing the single particle TRD pid corrections
  TString fVZEROCalibrationFilename;         // file containing VZERO channel-by-channel calibration
  TString fVZERORecenteringFilename;         // file containing VZERO Q-vector recentering averages

  void ProcessMC(AliVEvent *ev1);
  
  void  FillHistograms(const AliVEvent *ev, Bool_t pairInfoOnly=kFALSE);
  void  FillHistogramsMC(const AliMCEvent *ev,  AliVEvent *ev1);
  void  FillHistogramsPair(AliDielectronPair *pair,Bool_t fromPreFilter=kFALSE);
  void  FillHistogramsTracks(TObjArray **tracks);

  void  FillDebugTree();

  AliDielectron(const AliDielectron &c);
  AliDielectron &operator=(const AliDielectron &c);
  
  ClassDef(AliDielectron,4);
};

inline void AliDielectron::InitPairCandidateArrays()
{
  //
  // initialise all pair candidate arrays
  //
  fPairCandidates->SetOwner();
  for (Int_t i=0;i<11;++i){
    TObjArray *arr=new TObjArray;
    fPairCandidates->AddAt(arr,i);
    arr->SetOwner();
  }
}

inline TObjArray* AliDielectron::PairArray(Int_t i)
{
  //
  // for internal use only: unchecked return of track array for fast access
  //
  return static_cast<TObjArray*>(fPairCandidates->UncheckedAt(i));
}

inline void AliDielectron::ClearArrays()
{
  //
  // Reset the Arrays
  //
  for (Int_t i=0;i<4;++i){
    fTracks[i].Clear();
  }
  for (Int_t i=0;i<11;++i){
    if (PairArray(i)) PairArray(i)->Delete();
  }
}

#endif
Commit	Line	Data
b2a297fa	1	#ifndef ALIDIELECTRON_H
	2	#define ALIDIELECTRON_H
	3	/* Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. *
	4	* See cxx source for full Copyright notice */
	5
	6	//#####################################################
	7	//# #
	8	//# Class AliDielectron #
	9	//# Main Class for e+e- analysis #
	10	//# #
	11	//# by WooJin J. Park, GSI / W.J.Park@gsi.de #
	12	//# Ionut C. Arsene, GSI / I.C.Arsene@gsi.de #
	13	//# Magnus Mager, CERN / Magnus.Mager@cern.ch #
	14	//# Jens Wiechula, Uni HD / Jens.Wiechula@cern.ch #
	15	//# #
	16	//#####################################################
	17
	18
	19	#include <TNamed.h>
	20	#include <TObjArray.h>
	21
	22	#include <AliAnalysisFilter.h>
	23	#include <AliKFParticle.h>
	24
	25	#include "AliDielectronHistos.h"
b2a297fa	26
5720c765	27	class AliEventplane;
b2a297fa	28	class AliVEvent;
ba15fdfb	29	class AliMCEvent;
b2a297fa	30	class THashList;
b2a297fa	31	class AliDielectronCF;
572b0139	32	class AliDielectronDebugTree;
2a14a7b1	33	class AliDielectronTrackRotator;
ffbede40	34	class AliDielectronPair;
ba15fdfb	35	class AliDielectronSignalMC;
5720c765	36	class AliDielectronMixingHandler;
b2a297fa	37
	38	//________________________________________________________________
	39	class AliDielectron : public TNamed {
5720c765	40
	41	friend class AliDielectronMixingHandler; //mixing as friend class
	42
b2a297fa	43	public:
2a14a7b1	44	enum EPairType { kEv1PP=0, kEv1PM, kEv1MM,
	45	kEv1PEv2P, kEv1MEv2P, kEv2PP,
	46	kEv1PEv2M, kEv1MEv2M, kEv2PM,
	47	kEv2MM, kEv1PMRot };
	48	enum ELegType { kEv1P, kEv1M, kEv2P, kEv2M };
b2a297fa	49
	50	AliDielectron();
	51	AliDielectron(const char* name, const char* title);
	52	virtual ~AliDielectron();
	53
	54	void Init();
	55
	56	void Process(AliVEvent ev1, AliVEvent ev2=0);
	57
b2a297fa	58	const AliAnalysisFilter& GetEventFilter() const { return fEventFilter; }
	59	const AliAnalysisFilter& GetTrackFilter() const { return fTrackFilter; }
	60	const AliAnalysisFilter& GetPairFilter() const { return fPairFilter; }
	61
61d106d3	62	AliAnalysisFilter& GetEventFilter() { return fEventFilter; }
	63	AliAnalysisFilter& GetTrackFilter() { return fTrackFilter; }
	64	AliAnalysisFilter& GetPairFilter() { return fPairFilter; }
	65	AliAnalysisFilter& GetPairPreFilter() { return fPairPreFilter; }
	66	AliAnalysisFilter& GetPairPreFilterLegs() { return fPairPreFilterLegs; }
5720c765	67	AliAnalysisFilter& GetEventPlanePreFilter(){ return fEventPlanePreFilter; }
	68	AliAnalysisFilter& GetEventPlanePOIPreFilter(){ return fEventPlanePOIPreFilter; }
	69
8df8e382	70	void SetMotherPdg( Int_t pdgMother ) { fPdgMother=pdgMother; }
	71	void SetLegPdg(Int_t pdgLeg1, Int_t pdgLeg2) { fPdgLeg1=pdgLeg1; fPdgLeg2=pdgLeg2; }
	72	Int_t GetMotherPdg() const { return fPdgMother; }
	73	Int_t GetLeg1Pdg() const { return fPdgLeg1; }
	74	Int_t GetLeg2Pdg() const { return fPdgLeg2; }
554e40f8	75
554e40f8	76	void SetNoPairing(Bool_t noPairing=kTRUE) { fNoPairing=noPairing; }
b2a297fa	77	const TObjArray* GetTrackArray(Int_t i) const {return (i>=0&&i<4)?&fTracks[i]:0;}
5720c765	78	const TObjArray* GetPairArray(Int_t i) const {return (i>=0&&i<11)?
b2a297fa	79	static_cast<TObjArray*>(fPairCandidates->UncheckedAt(i)):0;}
	80
	81	TObjArray** GetPairArraysPointer() { return &fPairCandidates; }
	82
	83	void SetHistogramManager(AliDielectronHistos * const histos) { fHistos=histos; }
c8f0f810	84	AliDielectronHistos* GetHistoManager() const { return fHistos; }
b2a297fa	85	const THashList * GetHistogramList() const { return fHistos?fHistos->GetHistogramList():0x0; }
	86
	87	Bool_t HasCandidates() const { return GetPairArray(1)?GetPairArray(1)->GetEntriesFast()>0:0; }
fb7d2d99	88	Bool_t HasCandidatesLikeSign() const {
	89	return (GetPairArray(0)&&GetPairArray(2)) ? (GetPairArray(0)->GetEntriesFast()>0 \|\| GetPairArray(2)->GetEntriesFast()>0) : 0;
	90	}
	91
5720c765	92	Bool_t HasCandidatesTR() const {return GetPairArray(10)?GetPairArray(10)->GetEntriesFast()>0:0;}
b2a297fa	93	void SetCFManagerPair(AliDielectronCF * const cf) { fCfManagerPair=cf; }
b2a297fa	94	AliDielectronCF* GetCFManagerPair() const { return fCfManagerPair; }
572b0139	95
5720c765	96	void SetPreFilterEventPlane(Bool_t setValue=kTRUE){fPreFilterEventPlane=setValue;};
5720c765	97	void SetLikeSignSubEvents(Bool_t setValue=kTRUE){fLikeSignSubEvents=setValue;};
554e40f8	98	void SetPreFilterUnlikeOnly(Bool_t setValue=kTRUE){fPreFilterUnlikeOnly=setValue;};
ba15fdfb	99	void SetPreFilterAllSigns(Bool_t setValue=kTRUE){fPreFilterAllSigns=setValue;};
554e40f8	100
2a14a7b1	101	void SetTrackRotator(AliDielectronTrackRotator * const rot) { fTrackRotator=rot; }
2a14a7b1	102	AliDielectronTrackRotator* GetTrackRotator() const { return fTrackRotator; }
fb7d2d99	103
5720c765	104	void SetMixingHandler(AliDielectronMixingHandler *mix) { fMixing=mix; }
	105	AliDielectronMixingHandler* GetMixingHandler() const { return fMixing; }
	106
fb7d2d99	107	void SetHasMC(Bool_t hasMC) { fHasMC = hasMC; }
fb7d2d99	108	Bool_t GetHasMC() const { return fHasMC; }
ba15fdfb	109
5720c765	110	void SetStoreRotatedPairs(Bool_t storeTR) {fStoreRotatedPairs = storeTR;}
5720c765	111
ba15fdfb	112	void AddSignalMC(AliDielectronSignalMC* signal);
ba15fdfb	113
572b0139	114	void SetDebugTree(AliDielectronDebugTree * const tree) { fDebugTree=tree; }
c8f0f810	115
c8f0f810	116	const TObjArray* GetMCSignals() const { return fSignalsMC; }
b2a297fa	117	static const char* TrackClassName(Int_t i) { return (i>=0&&i<4)?fgkTrackClassNames[i]:""; }
2a14a7b1	118	static const char* PairClassName(Int_t i) { return (i>=0&&i<11)?fgkPairClassNames[i]:""; }
572b0139	119
5720c765	120	void SetEstimatorFilename(const Char_t* filename) {fEstimatorFilename = filename;}
5720c765	121	void SetTRDcorrectionFilename(const Char_t* filename) {fTRDpidCorrectionFilename = filename;}
a823f01b	122	void SetVZEROCalibrationFilename(const Char_t* filename) {fVZEROCalibrationFilename = filename;}
a823f01b	123	void SetVZERORecenteringFilename(const Char_t* filename) {fVZERORecenteringFilename = filename;}
5720c765	124
572b0139	125	void SaveDebugTree();
b2a297fa	126
5720c765	127	private:
b2a297fa	128
61d106d3	129	AliAnalysisFilter fEventFilter; // Event cuts
	130	AliAnalysisFilter fTrackFilter; // leg cuts
	131	AliAnalysisFilter fPairPreFilter; // pair prefilter cuts
	132	AliAnalysisFilter fPairPreFilterLegs; // Leg filter after the pair prefilter cuts
	133	AliAnalysisFilter fPairFilter; // pair cuts
5720c765	134	AliAnalysisFilter fEventPlanePreFilter; // event plane prefilter cuts
	135	AliAnalysisFilter fEventPlanePOIPreFilter; // PoI cuts in the event plane prefilter
	136
b2a297fa	137	Int_t fPdgMother; // pdg code of mother tracks
8df8e382	138	Int_t fPdgLeg1; // pdg code leg1
8df8e382	139	Int_t fPdgLeg2; // pdg code leg2
554e40f8	140
ba15fdfb	141	TObjArray* fSignalsMC; // array of AliDielectronSignalMC
ba15fdfb	142
554e40f8	143	Bool_t fNoPairing; // if to skip pairing, can be used for track QA only
554e40f8	144
b2a297fa	145	AliDielectronHistos *fHistos; // Histogram manager
	146	// Streaming and merging should be handled
	147	// by the analysis framework
554e40f8	148
b2a297fa	149	TObjArray fTracks[4]; //! Selected track candidates
	150	// 0: Event1, positive particles
	151	// 1: Event1, negative particles
	152	// 2: Event2, positive particles
	153	// 3: Event2, negative particles
	154
	155	TObjArray *fPairCandidates; //! Pair candidate arrays
	156	//TODO: better way to store it? TClonesArray?
	157
	158	AliDielectronCF *fCfManagerPair;//Correction Framework Manager for the Pair
2a14a7b1	159	AliDielectronTrackRotator *fTrackRotator; //Track rotator
572b0139	160	AliDielectronDebugTree *fDebugTree; // Debug tree output
5720c765	161	AliDielectronMixingHandler *fMixing; // handler for event mixing
554e40f8	162
5720c765	163	Bool_t fPreFilterEventPlane; //Filter for the Eventplane determination in TPC
5720c765	164	Bool_t fLikeSignSubEvents; //Option for dividing into subevents, sub1 ++ sub2 --
554e40f8	165	Bool_t fPreFilterUnlikeOnly; //Apply PreFilter either in +- or to ++/--/+- individually
5720c765	166	Bool_t fPreFilterAllSigns; //Apply PreFilter find in ++/--/+- and remove from all
fb7d2d99	167	Bool_t fHasMC; //If we run with MC, at the moment only needed in AOD
5720c765	168	Bool_t fStoreRotatedPairs; //It the rotated pairs should be stored in the pair array
5720c765	169
b2a297fa	170	void FillTrackArrays(AliVEvent * const ev, Int_t eventNr=0);
5720c765	171	void EventPlanePreFilter(Int_t arr1, Int_t arr2, TObjArray arrTracks1, TObjArray arrTracks2, const AliVEvent ev, AliEventplane cevplane);
61d106d3	172	void PairPreFilter(Int_t arr1, Int_t arr2, TObjArray &arrTracks1, TObjArray &arrTracks2);
b2a297fa	173	void FillPairArrays(Int_t arr1, Int_t arr2);
2a14a7b1	174	void FillPairArrayTR();
b2a297fa	175
	176	Int_t GetPairIndex(Int_t arr1, Int_t arr2) const {return arr1>=arr2?arr1(arr1+1)/2+arr2:arr2(arr2+1)/2+arr1;}
	177
	178	void InitPairCandidateArrays();
	179	void ClearArrays();
	180
	181	TObjArray* PairArray(Int_t i);
	182
	183	static const char* fgkTrackClassNames[4]; //Names for track arrays
2a14a7b1	184	static const char* fgkPairClassNames[11]; //Names for pair arrays
b2a297fa	185
5720c765	186	TString fEstimatorFilename; // name for the pp multiplicity estimators filename
5720c765	187	TString fTRDpidCorrectionFilename; // name for the file containing the single particle TRD pid corrections
a823f01b	188	TString fVZEROCalibrationFilename; // file containing VZERO channel-by-channel calibration
a823f01b	189	TString fVZERORecenteringFilename; // file containing VZERO Q-vector recentering averages
5720c765	190
5720c765	191	void ProcessMC(AliVEvent *ev1);
b2a297fa	192
5720c765	193	void FillHistograms(const AliVEvent *ev, Bool_t pairInfoOnly=kFALSE);
5720c765	194	void FillHistogramsMC(const AliMCEvent ev, AliVEvent ev1);
ffbede40	195	void FillHistogramsPair(AliDielectronPair *pair,Bool_t fromPreFilter=kFALSE);
554e40f8	196	void FillHistogramsTracks(TObjArray **tracks);
554e40f8	197
572b0139	198	void FillDebugTree();
5720c765	199
b2a297fa	200	AliDielectron(const AliDielectron &c);
	201	AliDielectron &operator=(const AliDielectron &c);
	202
61d106d3	203	ClassDef(AliDielectron,4);
b2a297fa	204	};
	205
	206	inline void AliDielectron::InitPairCandidateArrays()
	207	{
	208	//
	209	// initialise all pair candidate arrays
	210	//
	211	fPairCandidates->SetOwner();
5720c765	212	for (Int_t i=0;i<11;++i){
b2a297fa	213	TObjArray *arr=new TObjArray;
	214	fPairCandidates->AddAt(arr,i);
	215	arr->SetOwner();
	216	}
	217	}
	218
	219	inline TObjArray* AliDielectron::PairArray(Int_t i)
	220	{
	221	//
	222	// for internal use only: unchecked return of track array for fast access
	223	//
	224	return static_cast<TObjArray*>(fPairCandidates->UncheckedAt(i));
	225	}
	226
	227	inline void AliDielectron::ClearArrays()
	228	{
	229	//
	230	// Reset the Arrays
	231	//
	232	for (Int_t i=0;i<4;++i){
	233	fTracks[i].Clear();
	234	}
5720c765	235	for (Int_t i=0;i<11;++i){
5720c765	236	if (PairArray(i)) PairArray(i)->Delete();
b2a297fa	237	}
	238	}
	239
	240	#endif