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 AliDigitizationInput;
25 class AliVZEROCalibData;
28 class AliVZERODigitizer: public AliDigitizer {
37 AliVZERODigitizer() ; // default constructor
38 AliVZERODigitizer(AliVZERO *vzero, DigiTask_t task); // constructor
39 AliVZERODigitizer(AliDigitizationInput* digInput); // constructor
40 virtual ~AliVZERODigitizer() ; // destructor
42 virtual Bool_t Init();
43 virtual void Digitize(Option_t* option=0);
46 void DigitizeSDigits();
47 void WriteDigits(AliLoader *loader);
48 void WriteSDigits(AliLoader *loader);
51 void AddDigit(Int_t pmnumber, Float_t time, Float_t width, Bool_t integrator, Short_t *chargeADC, Int_t *labels);
52 void AddSDigit(Int_t pmnumber, Int_t nbins, Float_t *charges, Int_t *labels);
53 TClonesArray* DigitsArray();
54 TClonesArray* SDigitsArray();
57 AliVZEROCalibData *GetCalibData() const;
59 TF1* GetSignalShape() const { return fSignalShape; }
60 TF1* GetPMResponse() const { return fPMResponse; }
61 TF1* GetSinglePhESpectrum() const { return fSinglePhESpectrum; }
62 double SignalShape(double *x, double *par);
63 double PMResponse(double *x, double *par);
64 double SinglePhESpectrum(double *x, double *par);
66 Int_t Cell2Pmt(Int_t cell) const;
70 AliVZEROCalibData *fCalibData; //! calibration data
74 AliVZERODigitizer(const AliVZERODigitizer& /*digitizer*/);
76 AliVZERODigitizer& operator = (const AliVZERODigitizer& /*digitizer*/);
78 Float_t fPhotoCathodeEfficiency; // Photocathode efficiency
80 Int_t fNdigits; //! Number of digits
81 TClonesArray *fDigits; //! List of digits
83 TF1* fSignalShape; // function which describes the PMT signal shape
84 TF1* fPMResponse; // function which describes the PM time response
85 TF1* fSinglePhESpectrum; // function which describes the single ph.e. PM response
87 Float_t fAdc[64][kNClocks]; //! Container for ADC samples
88 Float_t fLeadingTime[64]; //! Leading time container
89 Float_t fTimeWidth[64]; //! Time width container
90 Float_t fAdcPedestal[64][2]; //! Pedestals, one per integrator
91 Float_t fAdcSigma[64][2]; //! Sigma of pedestals
92 Float_t fPmGain[64]; //! PMT gains
93 Int_t fNBins[64]; //! Number of bins in fTime container
94 Int_t fNBinsLT[64]; //! Number of bins in fTime container (match window only)
95 Float_t fBinSize[64]; //! Bin size in fTime container
96 Float_t fHptdcOffset[64]; //! HPTDC time offsets channel by channel
97 Float_t fClockOffset[64]; //! Clock offsets channel by channel
99 Float_t *fTime[64]; //! Main container used in digitization
100 Int_t fLabels[64][3]; //! Container for MC labels
101 Bool_t fEvenOrOdd; //! Choise of integrator in central ADC sample
103 DigiTask_t fTask; //! The task (to be) executed by the digitizer
104 AliVZERO *fVZERO; //! Pointer to AliDetector object
106 ClassDef(AliVZERODigitizer,7) // digitizer for VZERO
110 #endif // AliVZERODigitizer_H