Line data    Source code

       1             : #ifndef ALIZDCDIGITIZER_H
       2             : #define ALIZDCDIGITIZER_H
       3             : /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
       4             :  * See cxx source for full Copyright notice                               */
       5             : 
       6             : /* $Id$ */
       7             : 
       8             : ////////////////////////////////////////////////
       9             : //              Digitizer class for ZDC       //
      10             : ////////////////////////////////////////////////
      11             : 
      12             : #include "AliDigitizer.h"
      13             : #include "AliCDBManager.h"
      14             : #include "AliCDBStorage.h"
      15             : #include "AliZDCPedestals.h"
      16             : 
      17             : class TFile;
      18             : class AliDigitizationInput;
      19             : 
      20             : class AliZDC;
      21             : class AliZDCHit;
      22             : class AliZDCDigit;
      23             : 
      24             : class AliZDCDigitizer: public AliDigitizer {
      25             : 
      26             : public:
      27             :   AliZDCDigitizer();
      28             :   AliZDCDigitizer(AliDigitizationInput* digInput);
      29             :   virtual ~AliZDCDigitizer();
      30             :    
      31             :   virtual Bool_t Init();
      32             :   virtual void Digitize(Option_t* option=0);    
      33             : 
      34             :   //  PM gain
      35             :   void    SetPMGain(Int_t det, Int_t pmDet, Int_t pmGain)
      36           0 :     {fPMGain[det][pmDet] = pmGain;}
      37             :   Float_t GetPMGain(Int_t det, Int_t pmDet) const
      38           0 :     {return fPMGain[det][pmDet];}
      39             :   //  Conversion factor from charge to ADC channels
      40             :   //          F = 1.6E-19 / Resolution [Coulomb/ch]
      41           0 :   void    SetADCRes(Int_t *adcRes) {for (Int_t i=0;i<2;i++) fADCRes[i] = adcRes[i];}
      42             :   //  Two conversion factor are needed for ADC CAEN V965 
      43           0 :   Float_t GetADCRes(Int_t i) const {return fADCRes[i];}
      44             :   
      45           0 :   void    SetCalibrationOn() {fIsCalibration=1;}  
      46             :   AliCDBStorage    *SetStorage(const char* uri);
      47             :   AliZDCPedestals  *GetPedData() const; 
      48             :   
      49           0 :   void    SetSpectators2Track() {fSpectators2Track=kTRUE;}
      50           0 :   void    SetBeamEnergy(Float_t beamEnergy) {fBeamEnergy = beamEnergy;}
      51             : 
      52             :   // Added for p-A simulations
      53           0 :   void    SetpAsystem() {fIspASystem=kTRUE;}
      54             : 
      55             :   // Added for RELDIS
      56           0 :   void    SetRELDISGenerator() {fIsRELDISgen=kTRUE;}
      57             :   
      58           0 :   void    SetSpectatorParam(int imod=1) {fSpectatorParam=imod;}
      59             : 
      60             :   void    SpectatorSignal(Int_t specType, Int_t numEvents, Float_t pm[5][5]);
      61             :   void    SpectatorsFromHijing(Int_t specType, Int_t numEvents, Float_t pm[5][5]);
      62             : 
      63             : 
      64             : private:
      65             : 
      66             :   AliZDCDigitizer(const AliZDCDigitizer&);
      67             :   AliZDCDigitizer& operator=(const AliZDCDigitizer&);
      68             : 
      69             :   void    CalculatePMTGains();
      70             :   void    ReadPMTGains();
      71             : 
      72             :   void    Fragmentation(Float_t impPar, Int_t specN, Int_t specP,
      73             :                         Int_t &freeSpecN, Int_t &freeSpecP) const;
      74             : 
      75             :   Int_t   Phe2ADCch(Int_t Detector, Int_t Quadrant, Float_t Light, 
      76             :                     Int_t Res) const;
      77             :   Int_t   Pedestal(Int_t Detector, Int_t Quadrant, Int_t Res) const;
      78             : 
      79             :   Float_t fPMGain[5][5];        // PM gain
      80             :   Float_t fADCRes[2];           // ADC conversion factors
      81             :   Int_t   fIsCalibration;       // !=0 if simulation creates calibration data
      82             :   Bool_t  fIsSignalInADCGate;   // true if signal in ADC gate
      83             :   Float_t fFracLostSignal;      // fraction of lost signal
      84             :   
      85             :   AliZDCPedestals  *fPedData;   //! pedestal calibration data
      86             :   
      87             :   Bool_t  fSpectators2Track;    // should digitizer track spectators
      88             :   Float_t fBeamEnergy;          // beam energy
      89             :   TString fBeamType;            // beam type
      90             :   
      91             :   // Added for p-A simulations
      92             :   Bool_t  fIspASystem;          // true if collision system is p-A
      93             : 
      94             :   // Added for RELDIS
      95             :   Bool_t  fIsRELDISgen;         // true if generator is RELDIS
      96             :   
      97             :   // Fragmentation is derived from RUN1 data
      98             :   TFile  *fSpectatorData;       // pointer to stored spectator data files
      99             :   Int_t   fSpectatorParam;      // kinematic model fro spectators (1=from AliGenZDC =DEFAULT, 2=from HIJING)
     100             :   
     101          18 :   ClassDef(AliZDCDigitizer, 15)     // digitizer for ZDC
     102             : };    
     103             : #endif