1 #ifndef ALIVZERODigitizer_H
2 #define ALIVZERODigitizer_H
3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
6 ///_________________________________________________________________________
8 /// Class for making Digits in VZERO
9 ///_________________________________________________________________________
12 // --- Standard library ---
14 // --- AliRoot header files ---
16 #include "AliDigitizer.h"
18 #include "AliVZEROConst.h"
22 class AliRunDigitizer;
25 class AliVZEROCalibData;
27 class AliVZERODigitizer: public AliDigitizer {
31 AliVZERODigitizer() ; // constructor
32 AliVZERODigitizer(AliRunDigitizer *manager);// constructor
33 virtual ~AliVZERODigitizer() ; // destructor
35 virtual Bool_t Init();
36 virtual void Exec(Option_t* option=0);
38 void AddDigit(Int_t PMnumber, Float_t adc, Float_t time, Float_t width, Bool_t integrator);
41 AliVZEROCalibData *GetCalibData() const;
43 TF1* GetSignalShape() const { return fSignalShape; }
44 TF1* GetPMResponse() const { return fPMResponse; }
45 TF1* GetSinglePhESpectrum() const { return fSinglePhESpectrum; }
46 double SignalShape(double *x, double *par);
47 double PMResponse(double *x, double *par);
48 double SinglePhESpectrum(double *x, double *par);
50 Int_t Cell2Pmt(Int_t cell) const;
54 AliVZEROCalibData *fCalibData; //! calibration data
58 AliVZERODigitizer(const AliVZERODigitizer& /*digitizer*/);
60 AliVZERODigitizer& operator = (const AliVZERODigitizer& /*digitizer*/);
62 Float_t fPhotoCathodeEfficiency; // Photocathode efficiency
64 Int_t fNdigits; //! Number of digits
65 TClonesArray *fDigits; //! List of digits
67 TF1* fSignalShape; // function which describes the PMT signal shape
68 TF1* fPMResponse; // function which describes the PM time response
69 TF1* fSinglePhESpectrum; // function which describes the single ph.e. PM response
71 Float_t fAdc[64][kNClocks]; //! Container for ADC samples
72 Float_t fLeadingTime[64]; //! Leading time container
73 Float_t fTimeWidth[64]; //! Time width container
74 Float_t fAdcPedestal[64][2]; //! Pedestals, one per integrator
75 Float_t fAdcSigma[64][2]; //! Sigma of pedestals
76 Float_t fPmGain[64]; //! PMT gains
77 Int_t fNBins[64]; //! Number of bins in fTime container
78 Int_t fNBinsLT[64]; //! Number of bins in fTime container (match window only)
79 Float_t fBinSize[64]; //! Bin size in fTime container
80 Float_t fHptdcOffset[64]; //! HPTDC time offsets channel by channel
82 Float_t *fTime[64]; //! Main container used in digitization
84 ClassDef(AliVZERODigitizer,5) // digitizer for VZERO
88 #endif // AliVZERODigitizer_H