Simulation parameters collected in AliPHOSSimParam
[u/mrichter/AliRoot.git] / PHOS / AliPHOSSimParam.h
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f898e0f3 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
14class AliPHOSSimParam : public TNamed {
15
16public:
17
18 AliPHOSSimParam();
19 AliPHOSSimParam(const AliPHOSSimParam& recoParam);
20 AliPHOSSimParam& operator = (const AliPHOSSimParam& recoParam);
21 virtual ~AliPHOSSimParam() {}
22
23 static AliPHOSSimParam * GetInstance() ;
24
25 //Parameters used in conversion of deposited energy to APD response [see AliPHOSv1 for details]
26 void SetMeanLightYield(Float_t ly=47000.){fLightYieldMean=ly; //recalculate now dependencies
27 fLightFactor = fLightYieldMean * fIntrinsicAPDEfficiency ;
28 fAPDFactor = (13.418/fLightYieldMean/100.) * 300. ; }
29 void SetAPDEfficiency(Float_t eff=0.02655){fIntrinsicAPDEfficiency=eff;
30 fLightFactor = fLightYieldMean * fIntrinsicAPDEfficiency ;}
31 Float_t GetLightFactor(void) const { return fLightFactor ;}
32 Float_t GetAPDFactor(void) const { return fAPDFactor ;}
33
34 //Parameters use in EMC noise calculation [see AliPHOSDigitizer for details]
35 Float_t GetAPDNoise() const { return fAPDNoise; } //RMS of APD noise
36 void SetAPDNoise(Float_t noise=0.012){fAPDNoise = noise; }
37
38 Float_t GetEmcDigitsThreshold() const { return fEMCDigitThreshold ; } //Minimal energy to keep digit
39 void SetEMCDigitsThreshold(Float_t thresh=0.01){fEMCDigitThreshold=thresh;}
40
41 //Parameters for energy digitization [see AliPHOSDigitizer for details]
42 void SetADCchannelW(Float_t width=0.005){fEMCADCchannel=width ;} //EMC channel width
43 Float_t GetADCchannelW(void) const {return fEMCADCchannel; }
44
45 void SetEDigitizationOn(Bool_t on=kTRUE){fDigitizeE=on ;} //Use digitization in simulation or left it
46 Bool_t IsEDigitizationOn(void)const {return fDigitizeE ;} //for Digits2Raw->Digits procedure
47
48 //Parameters for EMC TOF resolution [see AliPHOSDigitizer::TimeResolution()]
49 Float_t GetTOFa()const{return fTOFa ;} //constant term
50 Float_t GetTOFb()const{return fTOFb ;} //stohastic term
51 void SetTOFparameters(Float_t a=0.5e-9, Float_t b=1.5e-9){fTOFa=a; fTOFb=b; }
52
53 //Parameters for CPV noise and digitization [see AliPHOSDigitizer for details]
54 Float_t GetCPVNoise() const {return fCPVNoise ;} //RMS of CPV noise in
55 void SetCPVNoise(Float_t noise=0.01){ fCPVNoise = noise ;} //CPV popugais
56
57 Float_t GetCpvDigitsThreshold() const {return fCPVDigitThreshold ;} //Minimal energy to keep digit in
58 void SetCpvDigitsThreshold(Float_t thresh=0.09){fCPVDigitThreshold = thresh;} //CPV popugais
59
60 Float_t GetADCpedestalCpv() const {return fADCpedestalCpv ;} //CPV pedestal value
61 void SetADCpedestalCpv(Float_t ped=0.012){ fADCpedestalCpv=ped ;} //in CPV popugais
62
63 Float_t GetADCchanelCpv() const {return fADCchanelCpv;} //Price of one ADC channel
64 void SetADCchanelCpv(Float_t w=0.0012) {fADCchanelCpv=w; } //for CPV
65
66 Int_t GetNADCcpv() const {return fNADCcpv ;} //Max number of channels
67 void SettNADCcpv(Int_t n=12) { fNADCcpv=(Int_t)TMath::Power(2,n) ; } //in CPV ADC
68
69 //Mark streams for mixing as streams contaning Digits (true) or SDigits (false)
70 //Streamt numbering the same as in StreamManager
71 void SetStreamDigits(Int_t i){if(i<10)fDStream[i]=kTRUE;}
72 Bool_t IsStreamDigits(Int_t i){return fDStream[i]; }
73
74private:
75
76 AliPHOSSimParam(Int_t i); //True constructor which should be called by GetInstance()
77
78private:
79
80 //Parameters used in conversion of deposited energy to APD response (AliPHOSv1)
81 Float_t fLightYieldMean ; //Average number of photoelectrons per GeV
82 Float_t fIntrinsicAPDEfficiency; //APD efficiency including geometric coverage
83 Float_t fLightFactor ; //Average number of photons collected by APD per GeV deposited energy
84 Float_t fAPDFactor ; //factor relating light yield and APD response
85
86 //Parameters used in electronic noise calculation and thresholds for EMC (AliPHOSDigitizer)
87 Float_t fAPDNoise; //RMS of APD noise
88 Float_t fEMCDigitThreshold ; //minimal energy to keep digit
89 Float_t fEMCADCchannel ; //width of ADC channel in GeV
90 Float_t fTOFa ; //constant term of TOF resolution
91 Float_t fTOFb ; //stohastic term of TOF resolution
92
93 //CPV parameters
94 Float_t fADCpedestalCpv ; //Pedestal value
95 Float_t fADCchanelCpv ; //ADC channel width
96 Float_t fCPVNoise ; //RMS of CPV noise
97 Float_t fCPVDigitThreshold ; //Minimal energy to keep digit
98 Int_t fNADCcpv ; //Max number of channels in CPV ADC
99
100 Bool_t fDStream[10] ; //Mark mixing stream contains digits or SDigits
101 Bool_t fDigitizeE ; //Use energy digitization in simulation or left to Digits2Raw()
102
103 static AliPHOSSimParam * fgSimParam ; // pointer to the unique instance of the class
104
105 ClassDef(AliPHOSSimParam,1)
106};
107
108#endif