2 #ifndef ALIGAMMACONVERSIONBGHANDLER_H
3 #define ALIGAMMACONVERSIONBGHANDLER_H
4 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
7 ////////////////////////////////////////////////
8 //---------------------------------------------
9 // Class for handling of background calculation
10 //---------------------------------------------
11 ////////////////////////////////////////////////
16 // --- ROOT system ---
18 #include "AliKFParticle.h"
19 #include "TClonesArray.h"
25 typedef vector<AliKFParticle*> AliGammaConversionKFVector;
27 class AliGammaConversionBGHandler : public TObject {
31 typedef vector<AliGammaConversionKFVector> AliGammaConversionBGEventVector;
32 typedef vector<AliGammaConversionBGEventVector> AliGammaConversionMultipicityVector;
33 typedef vector<AliGammaConversionMultipicityVector> AliGammaConversionBGVector;
35 AliGammaConversionBGHandler(); //constructor
36 AliGammaConversionBGHandler(UInt_t binsZ,UInt_t binsMultiplicity,UInt_t fNEvents); //constructor
37 AliGammaConversionBGHandler(const AliGammaConversionBGHandler & g); //copy constructor
38 AliGammaConversionBGHandler & operator = (const AliGammaConversionBGHandler & g); //assignment operator
39 virtual ~AliGammaConversionBGHandler(); //virtual destructor
41 void Initialize(Double_t * const zBinLimitsArray, Double_t * const multiplicityBinLimitsArray);
43 Int_t GetZBinIndex(Double_t z) const;
45 Int_t GetMultiplicityBinIndex(Int_t mult) const;
47 void AddEvent(TClonesArray * const eventGammas, Double_t zvalue, Int_t multiplicity);
49 Int_t GetNBGEvents()const {return fNEvents;}
51 AliGammaConversionKFVector* GetBGGoodV0s(Int_t event, Double_t zvalue, Int_t multiplicity);
57 Int_t fNEvents; // number of events
58 Int_t ** fBGEventCounter; // bg counter
60 Int_t fNBinsZ; //n z bins
61 Int_t fNBinsMultiplicity; //n bins multiplicity
62 Double_t *fBinLimitsArrayZ; //bin limits z array
63 Double_t *fBinLimitsArrayMultiplicity; //bin limit multiplicity array
64 AliGammaConversionBGVector fBGEvents; //gackground events
66 ClassDef(AliGammaConversionBGHandler,0)