TRD/AliTRDSimParam.h

   1 #ifndef ALITRDSIMPARAM_H
   2 #define ALITRDSIMPARAM_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 //                                                                        //
  10 // Class containing constant simulation parameters                        //
  11 //                                                                        //
  12 ////////////////////////////////////////////////////////////////////////////
  13
  14 #include "TObject.h"
  15
  16 class AliTRDSimParam : public TObject {
  17
  18  public:
  19
  20           enum { kNplan =   6
  21                , kNcham =   5
  22                , kNsect =  18
  23                , kNdet  = 540 };
  24
  25   static  AliTRDSimParam *Instance();
  26   static  void     Terminate();
  27
  28   AliTRDSimParam(const AliTRDSimParam &p);
  29   AliTRDSimParam &operator=(const AliTRDSimParam &p);
  30
  31   virtual void     Copy(TObject &p) const;
  32
  33           void     SetGasGain(Float_t gasgain)               { fGasGain           = gasgain;          }
  34           void     SetNoise(Float_t noise)                   { fNoise             = noise;            }
  35           void     SetChipGain(Float_t chipgain)             { fChipGain          = chipgain;         }
  36           void     SetADCoutRange(Float_t range)             { fADCoutRange       = range;            }
  37           void     SetADCinRange(Float_t range)              { fADCinRange        = range;            }
  38           void     SetADCbaseline(Int_t basel)               { fADCbaseline       = basel;            }
  39           void     SetDiffusion(Int_t diffOn = 1)            { fDiffusionOn       = diffOn;           }
  40           void     SetElAttach(Int_t elOn = 1)               { fElAttachOn        = elOn;             }
  41           void     SetElAttachProp(Float_t prop)             { fElAttachProp      = prop;             }
  42           void     SetTimeResponse(Int_t trfOn = 1)          { fTRFOn             = trfOn; ReInit();  }
  43           void     SetCrossTalk(Int_t ctOn = 1)              { fCTOn              = ctOn; ReInit();   }
  44           void     SetPadCoupling(Float_t v)                 { fPadCoupling       = v;                }
  45           void     SetTimeCoupling(Float_t v)                { fTimeCoupling      = v;                }
  46           void     SetTimeStruct(Bool_t tsOn = 1)            { fTimeStructOn      = tsOn;             }
  47           void     SetPadResponse(Int_t prfOn = 1)           { fPRFOn             = prfOn;            }
  48
  49           Float_t  GetGasGain() const                        { return fGasGain;                       }
  50           Float_t  GetNoise() const                          { return fNoise;                         }
  51           Float_t  GetChipGain() const                       { return fChipGain;                      }
  52           Float_t  GetADCoutRange() const                    { return fADCoutRange;                   }
  53           Float_t  GetADCinRange() const                     { return fADCinRange;                    }
  54           Int_t    GetADCbaseline() const                    { return fADCbaseline;                   }
  55           Float_t  GetTRFlo() const                          { return fTRFlo;                         }
  56           Float_t  GetTRFhi() const                          { return fTRFhi;                         }
  57           Float_t  GetPadCoupling() const                    { return fPadCoupling;                   }
  58           Float_t  GetTimeCoupling() const                   { return fTimeCoupling;                  }
  59
  60           Bool_t   DiffusionOn() const                       { return fDiffusionOn;                   }
  61           Bool_t   ElAttachOn() const                        { return fElAttachOn;                    }
  62           Float_t  GetElAttachProp() const                   { return fElAttachProp;                  }
  63           Bool_t   TRFOn() const                             { return fTRFOn;                         }
  64           Bool_t   CTOn() const                              { return fCTOn;                          }
  65           Bool_t   TimeStructOn() const                      { return fTimeStructOn;                  }
  66           Bool_t   PRFOn() const                             { return fPRFOn;                         }
  67
  68           Double_t TimeResponse(Double_t time) const;
  69           Double_t CrossTalk(Double_t time) const;
  70
  71           void     ReInit();
  72
  73  protected:
  74
  75   static AliTRDSimParam* fgInstance;   //  Instance of this class (singleton implementation)
  76   static  Bool_t   fgTerminated;       //  Defines if this class has already been terminated and
  77                                        //  therefore does not return instances in GetInstance anymore
  78
  79           // Digitization parameter
  80           Float_t  fGasGain;           //  Gas gain
  81           Float_t  fNoise;             //  Electronics noise
  82           Float_t  fChipGain;          //  Electronics gain
  83
  84           Float_t  fADCoutRange;       //  ADC output range (number of channels)
  85           Float_t  fADCinRange;        //  ADC input range (input charge)
  86           Int_t    fADCbaseline;       //  ADC intrinsic baseline in ADC channel
  87
  88           Int_t    fDiffusionOn;       //  Switch for the diffusion
  89
  90           Int_t    fElAttachOn;        //  Switch for the electron attachment
  91           Float_t  fElAttachProp;      //  Propability for electron attachment (for 1m)
  92
  93           Int_t    fTRFOn;             //  Switch for the time response
  94           Float_t *fTRFsmp;            //! Integrated time response
  95           Int_t    fTRFbin;            //  Number of bins for the TRF
  96           Float_t  fTRFlo;             //  Lower boundary of the TRF
  97           Float_t  fTRFhi;             //  Higher boundary of the TRF
  98           Float_t  fTRFwid;            //  Bin width of the integrated TRF
  99
 100           Int_t    fCTOn;              //  Switch for cross talk
 101           Float_t *fCTsmp;             //! Integrated cross talk
 102
 103           Float_t  fPadCoupling;       //  Pad coupling factor
 104           Float_t  fTimeCoupling;      //  Time coupling factor (image charge of moving ions)
 105           Int_t    fTimeStructOn;      //  Switch for cell time structure
 106
 107           Int_t    fPRFOn;             //  Switch for the pad response
 108
 109  private:
 110
 111   // This is a singleton, constructor is private!
 112   AliTRDSimParam();
 113   virtual ~AliTRDSimParam();
 114
 115           void Init();
 116           void SampleTRF();
 117
 118   ClassDef(AliTRDSimParam,4)          // The TRD simulation parameters
 119
 120 };
 121
 122 #endif