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 SetTailCancelation(Int_t tcOn = 1)             { fTCOn           = tcOn;     };
  48   void SetNexponential(Int_t nexp)                    { fTCnexp         = nexp;     };
  49
  50   void SetPadCoupling(Float_t v)                      { fPadCoupling    = v;        };
  51   void SetTimeCoupling(Float_t v)                     { fTimeCoupling   = v;        };
  52   void SetAnodeWireOffset(Float_t offset = 0.25)      { fAnodeWireOffset = offset;};
  53   void SetTimeStruct(Bool_t tsOn = 1)                 { fTimeStructOn   = tsOn;     };
  54
  55   void     SetPadResponse(Int_t prfOn = 1)                { fPRFOn          = prfOn;    };
  56
  57   Float_t  GetGasGain()                             const { return fGasGain;           };
  58   Float_t  GetNoise()                               const { return fNoise;             };
  59   Float_t  GetChipGain()                            const { return fChipGain;          };
  60
  61   Float_t  GetADCoutRange()                         const { return fADCoutRange;       };
  62   Float_t  GetADCinRange()                          const { return fADCinRange;        };
  63   Int_t    GetADCthreshold()                        const { return fADCthreshold;      };
  64   Int_t    GetADCbaseline()                         const { return fADCbaseline;       };
  65
  66   Bool_t   DiffusionOn()                            const { return fDiffusionOn;   };
  67
  68   Bool_t   ElAttachOn()                             const { return fElAttachOn;    };
  69   Float_t  GetElAttachProp()                        const { return fElAttachProp;      };
  70
  71   Bool_t   TRFOn()                                  const { return fTRFOn;         };
  72   Double_t TimeResponse(Double_t time) const;
  73   Float_t  GetTRFlo()                               const { return fTRFlo;             };
  74   Float_t  GetTRFhi()                               const { return fTRFhi;             };
  75
  76   Bool_t   CTOn()                                   const { return fCTOn;          };
  77   Double_t CrossTalk(Double_t time) const;
  78
  79   Bool_t   TCOn()                                   const { return fTCOn;          };
  80   Int_t    GetTCnexp()                              const { return fTCnexp;            };
  81
  82   Float_t  GetPadCoupling()                         const { return fPadCoupling;       };
  83   Float_t  GetTimeCoupling()                        const { return fTimeCoupling;      };
  84   Float_t  GetAnodeWireOffset()                     const { return fAnodeWireOffset;   };
  85   Bool_t TimeStructOn()                             const { return fTimeStructOn;  };
  86
  87   Bool_t   PRFOn()                                  const { return fPRFOn;         };
  88
  89 protected:
  90   static AliTRDSimParam* fgInstance;     // Instance of this class (singleton implementation)
  91   static Bool_t fgTerminated;               // Defines if this class has already been terminated and therefore does not return instances in GetInstance anymore
  92
  93   // Digitization parameter
  94   Float_t              fGasGain;                            //  Gas gain
  95   Float_t              fNoise;                              //  Electronics noise
  96   Float_t              fChipGain;                           //  Electronics gain
  97
  98   Float_t              fADCoutRange;                        //  ADC output range (number of channels)
  99   Float_t              fADCinRange;                         //  ADC input range (input charge)
 100   Int_t                fADCthreshold;                       //  ADC threshold in ADC channel
 101   Int_t                fADCbaseline;                        //  ADC baseline in ADC chann
 102
 103   Int_t                fDiffusionOn;                        //  Switch for the diffusion
 104
 105   Int_t                fElAttachOn;                         //  Switch for the electron attachment
 106   Float_t              fElAttachProp;                       //  Propability for electron attachment (for 1m)
 107
 108   Int_t                fTRFOn;                              //  Switch for the time response
 109   Float_t             *fTRFsmp;                             //! Integrated time response
 110   Int_t                fTRFbin;                             //  Number of bins for the TRF
 111   Float_t              fTRFlo;                              //  Lower boundary of the TRF
 112   Float_t              fTRFhi;                              //  Higher boundary of the TRF
 113   Float_t              fTRFwid;                             //  Bin width of the integrated TRF
 114
 115   Int_t                fCTOn;                               //  Switch for cross talk
 116   Float_t             *fCTsmp;                              //! Integrated cross talk
 117
 118   Int_t                fTCOn;                               //  Switch for the tail cancelation
 119   Int_t                fTCnexp;                             //  Number of exponential of the digital filter
 120
 121   Float_t              fAnodeWireOffset;                    //  Distance of first anode wire from pad edge
 122   Float_t              fPadCoupling;                        //  Pad coupling factor
 123   Float_t              fTimeCoupling;                       //  Time coupling factor (image charge of moving ions)
 124   Int_t                fTimeStructOn;                       //  Switch for cell time structure
 125
 126   Int_t                fPRFOn;                              //  Switch for the pad response
 127
 128 private:
 129   // this is a singleton, constructor is private!
 130   AliTRDSimParam();
 131   virtual ~AliTRDSimParam();
 132
 133   void Init();
 134   void ReInit();
 135   void SampleTRF();
 136
 137   ClassDef(AliTRDSimParam, 1)
 138 };
 139
 140 #endif