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