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[u/mrichter/AliRoot.git] / ITS / AliITSresponse.h
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b0f5e3fc 1#ifndef ALIITSRESPONSE_H
2#define ALIITSRESPONSE_H
ac8cbb66 3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
6/* $Id$ */
b0f5e3fc 7
b0f5e3fc 8#include <TObject.h>
703a4e51 9#include <TString.h>
e8189707 10
703a4e51 11class AliITSsegmentation;
1ca7869b 12class TF1;
b0f5e3fc 13class AliITSgeom;
14
15//----------------------------------------------
16//
17// ITS response virtual base class
18//
4efc56c1 19class AliITSresponse : public TObject {
b0f5e3fc 20 public:
4efc56c1 21 // Default Constructor
22 AliITSresponse();
23 // Standard Constructor
24 AliITSresponse(Double_t Thickness);
25 // Destructor.
e8189707 26 virtual ~AliITSresponse() {}
b0f5e3fc 27 //
28 // Configuration methods
29 //
30
712461e0 31 // Set GeVcharge value (Default value is based on about 20,000 e- by a
32 // mip (1.163E-4GeV) in 300 microns)
33 virtual void SetGeVToCharge(Double_t gc=1.719E+8){fGeVcharge = gc;}
ac8cbb66 34 // Returns the value fGeVcharge
aacedc3e 35 virtual Double_t GetGeVToCharge() const {return fGeVcharge;}
ac8cbb66 36 // Converts deposited energy to number of electrons liberated
aacedc3e 37 virtual Double_t GeVToCharge(Double_t gev) const {return gev*fGeVcharge;}
b0f5e3fc 38
39 // Diffusion coefficient
aacedc3e 40 virtual void SetDiffCoeff(Double_t, Double_t) = 0;
e8189707 41 // Get diffusion coefficients
aacedc3e 42 virtual void DiffCoeff(Double_t &,Double_t &) const = 0;
b0f5e3fc 43
4efc56c1 44 // Temperature in [degree K]
aacedc3e 45 virtual void SetTemperature(Double_t t=300.0) {fT = t;}
4efc56c1 46 // Get temperature [degree K]
aacedc3e 47 virtual Double_t Temperature() const {return fT;}
4efc56c1 48 // Set the impurity concentrations in [#/cm^3]
49 virtual void SetImpurity(Double_t n=0.0){fN = n;}
50 // Returns the impurity consentration in [#/cm^3]
ac8cbb66 51 virtual Double_t Impurity() const {return fN;}
4efc56c1 52 // Sets the applied ratio distance/voltage [cm/volt]
53 virtual void SetDistanceOverVoltage(Double_t d,Double_t v){fdv = d/v;}
54 // Sets the applied ration distance/voltage [cm/volt]. Default value
55 // is 300E-4cm/80 volts = 0.000375 cm/volts
56 virtual void SetDistanceOverVoltage(Double_t dv=0.000375){fdv = dv;}
57 // Returns the ration distance/voltage
ac8cbb66 58 virtual Double_t DistanceOverVoltage() const {return fdv;}
aacedc3e 59
b0f5e3fc 60 // Get data type
703a4e51 61 virtual const char *DataType() const {return fDataType.Data();}
aacedc3e 62 // Type of data - real or simulated
63 virtual void SetDataType(const char *data="simulated") {fDataType=data;}
4efc56c1 64 // Set parameters options: "same" or read from "file" or "SetInvalid" or...
703a4e51 65 virtual void SetParamOptions(const char*,const char*) = 0;
e8189707 66 // Set noise parameters
aacedc3e 67 virtual void SetNoiseParam(Double_t, Double_t) = 0;
b0f5e3fc 68 // Number of parameters to be set
703a4e51 69 virtual void SetNDetParam(Int_t) = 0;
e8189707 70 // Set detector parameters: gain, coupling ...
aacedc3e 71 virtual void SetDetParam(Double_t *) = 0;
b0f5e3fc 72
73 // Parameters options
703a4e51 74 virtual void ParamOptions(char *,char*) const = 0;
75 virtual Int_t NDetParam() const = 0;
aacedc3e 76 virtual void GetDetParam(Double_t *) const = 0;
77 virtual void GetNoiseParam(Double_t&, Double_t&) const = 0;
b0f5e3fc 78
4efc56c1 79 // Zero-suppression option - could be 1D, 2D or non-ZeroSuppressed
703a4e51 80 virtual void SetZeroSupp(const char*) = 0;
b0f5e3fc 81 // Get zero-suppression option
703a4e51 82 virtual const char *ZeroSuppOption() const = 0;
b0f5e3fc 83 // Set thresholds
aacedc3e 84 virtual void SetThresholds(Double_t, Double_t) = 0;
85 virtual void Thresholds(Double_t &, Double_t &) const = 0;
b0f5e3fc 86
87 // Set filenames
aacedc3e 88 virtual void SetFilenames(const char *f1="",const char *f2="",
89 const char *f3=""){
703a4e51 90 // Set filenames - input, output, parameters ....
91 fFileName1=f1; fFileName2=f2; fFileName3=f3;}
b0f5e3fc 92 // Filenames
703a4e51 93 virtual void Filenames(char* input,char* baseline,char* param) {
aacedc3e 94 strcpy(input,fFileName1.Data()); strcpy(baseline,fFileName2.Data());
95 strcpy(param,fFileName3.Data());}
703a4e51 96
aacedc3e 97 virtual Double_t DriftSpeed() const {return SpeedElectron();};
98 // set output option
99 virtual void SetOutputOption(Bool_t write=kFALSE) {fWrite = write;}
100
703a4e51 101 virtual Bool_t OutputOption() const {return fWrite;}
ac8cbb66 102 virtual Bool_t Do10to8() const {return kTRUE;}
703a4e51 103 virtual void GiveCompressParam(Int_t *) const =0;
4efc56c1 104 //
b0f5e3fc 105 // Detector type response methods
106 // Set number of sigmas over which cluster disintegration is performed
aacedc3e 107 virtual void SetNSigmaIntegration(Double_t) = 0;
b0f5e3fc 108 // Get number of sigmas over which cluster disintegration is performed
aacedc3e 109 virtual Double_t NSigmaIntegration() const = 0;
7551c5b2 110 // Set number of bins for the gaussian lookup table
703a4e51 111 virtual void SetNLookUp(Int_t) = 0;
7551c5b2 112 // Get number of bins for the gaussian lookup table
ac8cbb66 113 virtual Int_t GausNLookUp() const {return 0;}
7551c5b2 114 // Get scaling factor for bin i-th from the gaussian lookup table
aacedc3e 115 virtual Double_t GausLookUp(Int_t) const {return 0.;}
b0f5e3fc 116 // Set sigmas of the charge spread function
aacedc3e 117 virtual void SetSigmaSpread(Double_t, Double_t) = 0;
4efc56c1 118 // Get sigmas for the charge spread
aacedc3e 119 virtual void SigmaSpread(Double_t &,Double_t &) const = 0;
b0f5e3fc 120 // Pulse height from scored quantity (eloss)
aacedc3e 121 virtual Double_t IntPH(Double_t) const {return 0.;}
4efc56c1 122 // Charge disintegration
aacedc3e 123 virtual Double_t IntXZ(AliITSsegmentation *) const {return 0.;}
4efc56c1 124 // Electron mobility in Si. [cm^2/(Volt Sec)]. T in degree K, N in #/cm^3
ac8cbb66 125 virtual Double_t MobilityElectronSiEmp() const ;
4efc56c1 126 // Hole mobility in Si. [cm^2/(Volt Sec)] T in degree K, N in #/cm^3
ac8cbb66 127 virtual Double_t MobilityHoleSiEmp() const ;
4efc56c1 128 // Einstein relation for Diffusion Coefficient of Electrons. [cm^2/sec]
129 // T in degree K, N in #/cm^3
ac8cbb66 130 virtual Double_t DiffusionCoefficientElectron() const ;
4efc56c1 131 // Einstein relation for Diffusion Coefficient of Holes. [cm^2/sec]
132 // T in [degree K], N in [#/cm^3]
ac8cbb66 133 virtual Double_t DiffusionCoefficientHole() const ;
4efc56c1 134 // Electron <speed> under an applied electric field E=Volts/cm. [cm/sec]
135 // d distance-thickness in [cm], v in [volts], T in [degree K],
136 // N in [#/cm^3]
ac8cbb66 137 virtual Double_t SpeedElectron() const ;
4efc56c1 138 // Holes <speed> under an applied electric field E=Volts/cm. [cm/sec]
139 // d distance-thickness in [cm], v in [volts], T in [degree K],
140 // N in [#/cm^3]
ac8cbb66 141 virtual Double_t SpeedHole() const ;
4efc56c1 142 // Returns the Gaussian sigma == <x^2+z^2> [cm^2] due to the defusion of
143 // electrons or holes through a distance l [cm] caused by an applied
144 // voltage v [volt] through a distance d [cm] in any material at a
145 // temperature T [degree K].
703a4e51 146 virtual Double_t SigmaDiffusion3D(Double_t l) const ;
4efc56c1 147 // Returns the Gaussian sigma == <x^2 +y^2+z^2> [cm^2] due to the
148 // defusion of electrons or holes through a distance l [cm] caused by an
149 // applied voltage v [volt] through a distance d [cm] in any material at a
150 // temperature T [degree K].
703a4e51 151 virtual Double_t SigmaDiffusion2D(Double_t l) const ;
4efc56c1 152 // Returns the Gaussian sigma == <x^2+z^2> [cm^2] due to the defusion of
153 // electrons or holes through a distance l [cm] caused by an applied
154 // voltage v [volt] through a distance d [cm] in any material at a
155 // temperature T [degree K].
703a4e51 156 virtual Double_t SigmaDiffusion1D(Double_t l) const ;
ac8cbb66 157 // Prints out the content of this class in ASCII format.
703a4e51 158 virtual void Print(ostream *os) const;
ac8cbb66 159 // Reads in the content of this class in the format of Print
160 virtual void Read(istream *is);
703a4e51 161 protected:
162 void NotImplemented(const char *method) const {if(gDebug>0)
163 Warning(method,"This method is not implemented for this sub-class");}
164
165 TString fDataType; // data type - real or simulated
4efc56c1 166 private:
167 Double_t fdv; // The parameter d/v where d is the disance over which the
168 // the potential v is applied d/v [cm/volts]
169 Double_t fN; // the impurity consentration of the material in #/cm^3
170 Double_t fT; // The temperature of the Si in Degree K.
ac8cbb66 171 Double_t fGeVcharge; // Energy to ionize (free an electron).
703a4e51 172 TString fFileName1; // input keys : run, module #
173 TString fFileName2; // baseline & noise val or output code
174 // signal or monitored bgr.
175 TString fFileName3; // param values or output coded signal
176 Bool_t fWrite; // Write option for the compression algorithms
4efc56c1 177
178 ClassDef(AliITSresponse,2) // Detector type response virtual base class
b0f5e3fc 179};
ac8cbb66 180// Input and output function for standard C++ input/output.
181ostream& operator<<(ostream &os,AliITSresponse &source);
182istream& operator>>(istream &os,AliITSresponse &source);
b0f5e3fc 183#endif