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 ///////////////////////////////////////////////////////////////////////////////
   7 //                                                                           //
   8 // Class containing constant simulation parameters                           //
   9 //                                                                           //
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 /* $Id$ */
  13
  14 #include "TObject.h"
  15
  16 class AliTRDSimParam : public TObject
  17 {
  18
  19 public:
  20   static AliTRDSimParam* Instance();
  21   static void Terminate();
  22
  23   enum { kNplan = 6, kNcham = 5, kNsect = 18, kNdet = 540 };
  24
  25   AliTRDSimParam(const AliTRDSimParam &p);
  26   AliTRDSimParam &operator=(const AliTRDSimParam &p);
  27   virtual void Copy(TObject &p) const;
  28
  29   void SetGasGain(Float_t gasgain)                    { fGasGain        = gasgain;  };
  30   void SetNoise(Float_t noise)                        { fNoise          = noise;    };
  31   void SetChipGain(Float_t chipgain)                  { fChipGain       = chipgain; };
  32
  33   void SetADCoutRange(Float_t range)                  { fADCoutRange    = range;    };
  34   void SetADCinRange(Float_t range)                   { fADCinRange     = range;    };
  35   void SetADCthreshold(Int_t thresh)                  { fADCthreshold   = thresh;   };
  36   void SetADCbaseline(Int_t basel)                    { fADCbaseline    = basel;    };
  37
  38   void SetDiffusion(Int_t diffOn = 1)                 { fDiffusionOn    = diffOn;   };
  39
  40   void SetElAttach(Int_t elOn = 1)                    { fElAttachOn     = elOn;     };
  41   void SetElAttachProp(Float_t prop)                  { fElAttachProp   = prop;     };
  42
  43   void SetTimeResponse(Int_t trfOn = 1)               { fTRFOn          = trfOn; ReInit(); };
  44
  45   void SetCrossTalk(Int_t ctOn = 1)                   { fCTOn           = ctOn; ReInit(); };
  46
  47   void SetPadCoupling(Float_t v)                      { fPadCoupling    = v;        };
  48   void SetTimeCoupling(Float_t v)                     { fTimeCoupling   = v;        };
  49   void SetAnodeWireOffset(Float_t offset = 0.25)      { fAnodeWireOffset = offset;};
  50   void SetTimeStruct(Bool_t tsOn = 1)                 { fTimeStructOn   = tsOn;     };
  51
  52   void     SetPadResponse(Int_t prfOn = 1)                { fPRFOn          = prfOn;    };
  53
  54   Float_t  GetGasGain()                             const { return fGasGain;           };
  55   Float_t  GetNoise()                               const { return fNoise;             };
  56   Float_t  GetChipGain()                            const { return fChipGain;          };
  57
  58   Float_t  GetADCoutRange()                         const { return fADCoutRange;       };
  59   Float_t  GetADCinRange()                          const { return fADCinRange;        };
  60   Int_t    GetADCthreshold()                        const { return fADCthreshold;      };
  61   Int_t    GetADCbaseline()                         const { return fADCbaseline;       };
  62
  63   Bool_t   DiffusionOn()                            const { return fDiffusionOn;   };
  64
  65   Bool_t   ElAttachOn()                             const { return fElAttachOn;    };
  66   Float_t  GetElAttachProp()                        const { return fElAttachProp;      };
  67
  68   Bool_t   TRFOn()                                  const { return fTRFOn;         };
  69   Double_t TimeResponse(Double_t time) const;
  70   Float_t  GetTRFlo()                               const { return fTRFlo;             };
  71   Float_t  GetTRFhi()                               const { return fTRFhi;             };
  72
  73   Bool_t   CTOn()                                   const { return fCTOn;          };
  74   Double_t CrossTalk(Double_t time) const;
  75
  76   Float_t  GetPadCoupling()                         const { return fPadCoupling;       };
  77   Float_t  GetTimeCoupling()                        const { return fTimeCoupling;      };
  78   Float_t  GetAnodeWireOffset()                     const { return fAnodeWireOffset;   };
  79   Bool_t TimeStructOn()                             const { return fTimeStructOn;  };
  80
  81   Bool_t   PRFOn()                                  const { return fPRFOn;         };
  82
  83 protected:
  84   static AliTRDSimParam* fgInstance;     // Instance of this class (singleton implementation)
  85   static Bool_t fgTerminated;               // Defines if this class has already been terminated and therefore does not return instances in GetInstance anymore
  86
  87   // Digitization parameter
  88   Float_t              fGasGain;                            //  Gas gain
  89   Float_t              fNoise;                              //  Electronics noise
  90   Float_t              fChipGain;                           //  Electronics gain
  91
  92   Float_t              fADCoutRange;                        //  ADC output range (number of channels)
  93   Float_t              fADCinRange;                         //  ADC input range (input charge)
  94   Int_t                fADCthreshold;                       //  ADC threshold in ADC channel
  95   Int_t                fADCbaseline;                        //  ADC baseline in ADC chann
  96
  97   Int_t                fDiffusionOn;                        //  Switch for the diffusion
  98
  99   Int_t                fElAttachOn;                         //  Switch for the electron attachment
 100   Float_t              fElAttachProp;                       //  Propability for electron attachment (for 1m)
 101
 102   Int_t                fTRFOn;                              //  Switch for the time response
 103   Float_t             *fTRFsmp;                             //! Integrated time response
 104   Int_t                fTRFbin;                             //  Number of bins for the TRF
 105   Float_t              fTRFlo;                              //  Lower boundary of the TRF
 106   Float_t              fTRFhi;                              //  Higher boundary of the TRF
 107   Float_t              fTRFwid;                             //  Bin width of the integrated TRF
 108
 109   Int_t                fCTOn;                               //  Switch for cross talk
 110   Float_t             *fCTsmp;                              //! Integrated cross talk
 111
 112   Float_t              fAnodeWireOffset;                    //  Distance of first anode wire from pad edge
 113   Float_t              fPadCoupling;                        //  Pad coupling factor
 114   Float_t              fTimeCoupling;                       //  Time coupling factor (image charge of moving ions)
 115   Int_t                fTimeStructOn;                       //  Switch for cell time structure
 116
 117   Int_t                fPRFOn;                              //  Switch for the pad response
 118
 119 private:
 120   // this is a singleton, constructor is private!
 121   AliTRDSimParam();
 122   virtual ~AliTRDSimParam();
 123
 124   void Init();
 125   void ReInit();
 126   void SampleTRF();
 127
 128   ClassDef(AliTRDSimParam, 1)
 129 };
 130
 131 #endif