Line data Source code
1 : #ifndef ALIPHOSSIMPARAM_H
2 : #define ALIPHOSSIMPARAM_H
3 : /* Copyright(c) 2007, ALICE Experiment at CERN, All rights reserved. *
4 : * See cxx source for full Copyright notice */
5 :
6 : /* $Id: AliPHOSSimParam.h 23530 2008-01-25 06:46:13Z prsnko $ */
7 :
8 : // Base class for the PHOS simulation parameters.
9 : // Do not use in the reconstruction; use derivative classes instead.
10 :
11 : #include "TNamed.h"
12 : #include "TMath.h"
13 :
14 : class AliPHOSSimParam : public TNamed {
15 :
16 : public:
17 :
18 : AliPHOSSimParam();
19 : AliPHOSSimParam(const AliPHOSSimParam& recoParam);
20 : AliPHOSSimParam& operator = (const AliPHOSSimParam& recoParam);
21 0 : virtual ~AliPHOSSimParam() {}
22 :
23 : static AliPHOSSimParam * GetInstance() ;
24 :
25 : //Parameters used in conversion of deposited energy to APD response [see AliPHOSv1 for details]
26 0 : void SetMeanLightYield(Float_t ly=47000.){fLightYieldMean=ly; //recalculate now dependencies
27 0 : fLightFactor = fLightYieldMean * fIntrinsicAPDEfficiency ;
28 0 : fAPDFactor = (13.418/fLightYieldMean/100.) * 300. ; }
29 0 : void SetAPDEfficiency(Float_t eff=0.02655){fIntrinsicAPDEfficiency=eff;
30 0 : fLightFactor = fLightYieldMean * fIntrinsicAPDEfficiency ;}
31 558606 : Float_t GetLightFactor(void) const { return fLightFactor ;}
32 558606 : Float_t GetAPDFactor(void) const { return fAPDFactor ;}
33 :
34 : //Parameters use in EMC noise calculation [see AliPHOSDigitizer for details]
35 8 : Float_t GetAPDNoise() const { return fAPDNoise; } //RMS of APD noise
36 0 : void SetAPDNoise(Float_t noise=0.012){fAPDNoise = noise; }
37 :
38 : //Parameters to apply non-lineary on cell level
39 8 : Bool_t IsCellNonlinearityOn() const {return fCellNonLineaityOn;}
40 0 : void SetCellNonLinearity(Bool_t on=kTRUE){fCellNonLineaityOn=on;} //default: on=kFALSE
41 8 : Double_t GetCellNonLineairyA(void) const {return fCellNonLineaityA; }
42 8 : Double_t GetCellNonLineairyB(void) const {return fCellNonLineaityB; }
43 8 : Double_t GetCellNonLineairyC(void) const {return fCellNonLineaityC; }
44 0 : void SetCellNonLineairyA(Double_t a=0.30) {fCellNonLineaityA = a; }
45 0 : void SetCellNonLineairyB(Double_t b=0.109){fCellNonLineaityB = b; }
46 0 : void SetCellNonLineairyC(Double_t c=0.955){fCellNonLineaityC = c; }
47 :
48 :
49 :
50 8 : Float_t GetEmcDigitsThreshold() const { return fEMCDigitThreshold ; } //Minimal energy to keep digit
51 0 : void SetEMCDigitsThreshold(Float_t thresh=0.01){fEMCDigitThreshold=thresh;}
52 :
53 : //Parameters for energy digitization [see AliPHOSDigitizer for details]
54 0 : void SetADCchannelW(Float_t width=0.005){fEMCADCchannel=width ;} //EMC channel width
55 0 : Float_t GetADCchannelW(void) const {return fEMCADCchannel; }
56 :
57 0 : void SetEDigitizationOn(Bool_t on=kTRUE){fDigitizeE=on ;} //Use digitization in simulation or left it
58 16 : Bool_t IsEDigitizationOn(void)const {return fDigitizeE ;} //for Digits2Raw->Digits procedure
59 :
60 : //Parameters for EMC TOF resolution [see AliPHOSDigitizer::TimeResolution()]
61 248 : Float_t GetTOFa()const{return fTOFa ;} //constant term
62 248 : Float_t GetTOFb()const{return fTOFb ;} //stohastic term
63 0 : void SetTOFparameters(Float_t a=0.5e-9, Float_t b=1.5e-9){fTOFa=a; fTOFb=b; }
64 :
65 : //Parameters for CPV noise and digitization [see AliPHOSDigitizer for details]
66 8 : Float_t GetCPVNoise() const {return fCPVNoise ;} //RMS of CPV noise in
67 0 : void SetCPVNoise(Float_t noise=0.01){ fCPVNoise = noise ;} //CPV popugais
68 :
69 8 : Float_t GetCpvDigitsThreshold() const {return fCPVDigitThreshold ;} //Minimal energy to keep digit in
70 0 : void SetCpvDigitsThreshold(Float_t thresh=0.09){fCPVDigitThreshold = thresh;} //CPV popugais
71 :
72 0 : Float_t GetADCpedestalCpv() const {return fADCpedestalCpv ;} //CPV pedestal value
73 0 : void SetADCpedestalCpv(Float_t ped=0.012){ fADCpedestalCpv=ped ;} //in CPV popugais
74 :
75 0 : Float_t GetADCchanelCpv() const {return fADCchanelCpv;} //Price of one ADC channel
76 0 : void SetADCchanelCpv(Float_t w=0.0012) {fADCchanelCpv=w; } //for CPV
77 :
78 0 : Int_t GetNADCcpv() const {return fNADCcpv ;} //Max number of channels
79 0 : void SettNADCcpv(Int_t n=12) { fNADCcpv=(Int_t)TMath::Power(2,n) ; } //in CPV ADC
80 :
81 : //Mark streams for mixing as streams contaning Digits (true) or SDigits (false)
82 : //Streamt numbering the same as in StreamManager
83 0 : void SetStreamDigits(Int_t i){if(i<10)fDStream[i]=kTRUE;}
84 730 : Bool_t IsStreamDigits(Int_t i){return fDStream[i]; }
85 :
86 : //Parameters for RAW embedding
87 0 : void SetEMCSubtractPedestals(Bool_t subtract) { fEMCSubtractPedestals = subtract;}
88 0 : Bool_t EMCSubtractPedestals() const { return fEMCSubtractPedestals; }
89 :
90 0 : void SetGlobalAltroOffset(Int_t offset) { fGlobalAltroOffset = offset ; }
91 0 : Int_t GetGlobalAltroOffset() const { return fGlobalAltroOffset ; }
92 :
93 0 : void SetGlobalAltroThreshold(Int_t ZSth) { fGlobalAltroThreshold = ZSth; }
94 0 : Int_t GetGlobalAltroThreshold() const { return fGlobalAltroThreshold;}
95 :
96 0 : void SetSampleQualityCut(Float_t qcut) { fEMCSampleQualityCut=qcut; }
97 0 : Float_t GetEMCSampleQualityCut() const { return fEMCSampleQualityCut; }
98 :
99 : private:
100 :
101 : AliPHOSSimParam(Int_t i); //True constructor which should be called by GetInstance()
102 :
103 : private:
104 :
105 : //Parameters used in conversion of deposited energy to APD response (AliPHOSv1)
106 : Float_t fLightYieldMean ; //Average number of photoelectrons per GeV
107 : Float_t fIntrinsicAPDEfficiency; //APD efficiency including geometric coverage
108 : Float_t fLightFactor ; //Average number of photons collected by APD per GeV deposited energy
109 : Float_t fAPDFactor ; //factor relating light yield and APD response
110 :
111 : //Parameters used in electronic noise calculation and thresholds for EMC (AliPHOSDigitizer)
112 : Float_t fAPDNoise; //RMS of APD noise
113 : Float_t fEMCDigitThreshold ; //minimal energy to keep digit
114 : Float_t fEMCADCchannel ; //width of ADC channel in GeV
115 : Float_t fTOFa ; //constant term of TOF resolution
116 : Float_t fTOFb ; //stohastic term of TOF resolution
117 : Float_t fCellNonLineaityA ; //Amp of cel non-linearity
118 : Float_t fCellNonLineaityB ; //Energy scale of cel non-linearity
119 : Float_t fCellNonLineaityC ; //Overall calibration
120 :
121 : //Parameters used for RAW embedding
122 : Bool_t fEMCSubtractPedestals; // true if pedestal should be subtracted (in non-ZS)
123 : Int_t fGlobalAltroOffset ; // Offset used in ALTRO chips in SZ runs
124 : Int_t fGlobalAltroThreshold ; // Threshold used in ALTRO chips in SZ runs
125 : Float_t fEMCSampleQualityCut; // Cut on pulse shape fit quality
126 :
127 : //CPV parameters
128 : Float_t fADCpedestalCpv ; //Pedestal value
129 : Float_t fADCchanelCpv ; //ADC channel width
130 : Float_t fCPVNoise ; //RMS of CPV noise
131 : Float_t fCPVDigitThreshold ; //Minimal energy to keep digit
132 : Int_t fNADCcpv ; //Max number of channels in CPV ADC
133 :
134 : Bool_t fDStream[10] ; //Mark mixing stream contains digits or SDigits
135 : Bool_t fDigitizeE ; //Use energy digitization in simulation or left to Digits2Raw()
136 : Bool_t fCellNonLineaityOn ; //Model scintillator non-linearity in AliPHOSDigitizer
137 :
138 : static AliPHOSSimParam * fgSimParam ; // pointer to the unique instance of the class
139 :
140 22 : ClassDef(AliPHOSSimParam,3)
141 : };
142 :
143 : #endif
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