d8de572074fef11a5ed8004e7abf12abc5be1880
[u/mrichter/AliRoot.git] / 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