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2434abb9 | 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 */ | |
5 | ||
b0d2c2d3 | 6 | ///_________________________________________________________________________ |
7 | /// | |
8 | /// Class for making Digits in VZERO | |
9 | ///_________________________________________________________________________ | |
2434abb9 | 10 | |
11 | ||
b0d2c2d3 | 12 | // --- Standard library --- |
13 | ||
14 | // --- AliRoot header files --- | |
15 | ||
2434abb9 | 16 | #include "AliDigitizer.h" |
2434abb9 | 17 | |
4e2652e8 | 18 | #include "AliVZEROConst.h" |
19 | ||
2434abb9 | 20 | class TClonesArray; |
9672d66e | 21 | class TF1; |
f21fc003 | 22 | class AliDigitizationInput; |
ce7090f5 | 23 | class AliCDBManager; |
24 | class AliCDBStorage; | |
25 | class AliVZEROCalibData; | |
72da5ce8 | 26 | class AliVZERO; |
2434abb9 | 27 | |
28 | class AliVZERODigitizer: public AliDigitizer { | |
29 | ||
ce7090f5 | 30 | public: |
2434abb9 | 31 | |
72da5ce8 | 32 | enum DigiTask_t { |
33 | kHits2Digits, | |
34 | kHits2SDigits | |
35 | }; | |
2434abb9 | 36 | |
72da5ce8 | 37 | AliVZERODigitizer() ; // default constructor |
38 | AliVZERODigitizer(AliVZERO *vzero, DigiTask_t task); // constructor | |
f21fc003 | 39 | AliVZERODigitizer(AliDigitizationInput* digInput); // constructor |
72da5ce8 | 40 | virtual ~AliVZERODigitizer() ; // destructor |
41 | ||
ce7090f5 | 42 | virtual Bool_t Init(); |
f21fc003 | 43 | virtual void Digitize(Option_t* option=0); |
2434abb9 | 44 | |
72da5ce8 | 45 | void DigitizeHits(); |
46 | void DigitizeSDigits(); | |
47 | void WriteDigits(AliLoader *loader); | |
48 | void WriteSDigits(AliLoader *loader); | |
49 | void ReadSDigits(); | |
50 | ||
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(); | |
55 | void ResetDigits(); | |
fe0adf2a | 56 | |
ce7090f5 | 57 | AliVZEROCalibData *GetCalibData() const; |
8adc9b44 | 58 | |
9672d66e | 59 | TF1* GetSignalShape() const { return fSignalShape; } |
4e2652e8 | 60 | TF1* GetPMResponse() const { return fPMResponse; } |
61 | TF1* GetSinglePhESpectrum() const { return fSinglePhESpectrum; } | |
9672d66e | 62 | double SignalShape(double *x, double *par); |
4e2652e8 | 63 | double PMResponse(double *x, double *par); |
64 | double SinglePhESpectrum(double *x, double *par); | |
65 | ||
66 | Int_t Cell2Pmt(Int_t cell) const; | |
9672d66e | 67 | |
ce7090f5 | 68 | protected: |
69 | ||
70 | AliVZEROCalibData *fCalibData; //! calibration data | |
71 | ||
2434abb9 | 72 | private: |
ce7090f5 | 73 | |
0b2bea8b | 74 | AliVZERODigitizer(const AliVZERODigitizer& /*digitizer*/); |
75 | ||
76 | AliVZERODigitizer& operator = (const AliVZERODigitizer& /*digitizer*/); | |
2434abb9 | 77 | |
fe0adf2a | 78 | Float_t fPhotoCathodeEfficiency; // Photocathode efficiency |
2434abb9 | 79 | |
fe0adf2a | 80 | Int_t fNdigits; //! Number of digits |
81 | TClonesArray *fDigits; //! List of digits | |
82 | ||
9672d66e | 83 | TF1* fSignalShape; // function which describes the PMT signal shape |
4e2652e8 | 84 | TF1* fPMResponse; // function which describes the PM time response |
85 | TF1* fSinglePhESpectrum; // function which describes the single ph.e. PM response | |
86 | ||
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 | |
72789100 | 97 | Float_t fClockOffset[64]; //! Clock offsets channel by channel |
4e2652e8 | 98 | |
99 | Float_t *fTime[64]; //! Main container used in digitization | |
72da5ce8 | 100 | Int_t fLabels[64][3]; //! Container for MC labels |
101 | Bool_t fEvenOrOdd; //! Choise of integrator in central ADC sample | |
102 | ||
103 | DigiTask_t fTask; //! The task (to be) executed by the digitizer | |
104 | AliVZERO *fVZERO; //! Pointer to AliDetector object | |
105 | ||
72789100 | 106 | ClassDef(AliVZERODigitizer,7) // digitizer for VZERO |
2434abb9 | 107 | |
108 | }; | |
109 | ||
110 | #endif // AliVZERODigitizer_H |