Calibration framework improved (E. Crescio)
[u/mrichter/AliRoot.git] / ITS / AliITSCalibration.h
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fcf95fc7 1#ifndef ALIITSCALIBRATION_H
2#define ALIITSCALIBRATION_H
3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
6//////////////////////////////////////////////
7// Base ITS calibration class //
8//////////////////////////////////////////////
9
10#include <TObject.h>
11#include <TString.h>
12#include <AliITSresponse.h>
13
14class AliITSsegmentation;
15class TF1;
16class AliITSgeom;
17
18
19/////////////////////////////////////////////
20// //
21// ITS calibration virtual base class //
22/////////////////////////////////////////////
23class AliITSCalibration : public TObject {
24 public:
25 // Default Constructor
26 AliITSCalibration();
27 // Standard Constructor
28 AliITSCalibration(Double_t Thickness);
29 AliITSCalibration(const AliITSCalibration &ob); // copy constructor
30 AliITSCalibration& operator=(const AliITSCalibration & /* source */); // ass.
31 // Destructor.
32 virtual ~AliITSCalibration() {;}
33 //
34 // Configuration methods
35 //
36 // fGeVcharge is set by default 3.6e-9 GeV See for ex. PDG 2004.
37 virtual void SetGeVToCharge(Double_t gc=3.6e-9){fGeVcharge = gc;}
38 // Returns the value fGeVcharge
39 virtual Double_t GetGeVToCharge() const {return fGeVcharge;}
40 // Converts deposited energy to number of electrons liberated
41 virtual Double_t GeVToCharge(Double_t gev) const {return gev/fGeVcharge;}
42 // Temperature in [degree K]
43 virtual void SetTemperature(Double_t t=300.0) {fT = t;}
44 // Get temperature [degree K]
45 virtual Double_t Temperature() const {return fT;}
46 // Set the impurity concentrations in [#/cm^3]
47 virtual void SetImpurity(Double_t n=0.0){fN = n;}
48 // Returns the impurity consentration in [#/cm^3]
49 virtual Double_t Impurity() const {return fN;}
50 // Sets the applied ratio distance/voltage [cm/volt]
51 virtual void SetDistanceOverVoltage(Double_t d,Double_t v){fdv = d/v;}
52 // Sets the applied ration distance/voltage [cm/volt]. Default value
53 // is 300E-4cm/80 volts = 0.000375 cm/volts
54 virtual void SetDistanceOverVoltage(Double_t dv=0.000375){fdv = dv;}
55 // Returns the ration distance/voltage
56 virtual Double_t DistanceOverVoltage() const {return fdv;}
57
58 // Get data type
59 virtual const char *DataType() const {return fDataType.Data();}
60 // Type of data - real or simulated
61 virtual void SetDataType(const char *data="simulated") {fDataType=data;}
62 // Set parameters options: "same" or read from "file" or "SetInvalid" or...
63 // virtual void SetParamOptions(const char*,const char*) = 0;
64 // Set noise parameters
65 virtual void SetNoiseParam(Double_t, Double_t) = 0;
66 // Number of parameters to be set
67 virtual void SetNDetParam(Int_t) = 0;
68 // Set detector parameters: gain, coupling ...
69 virtual void SetDetParam(Double_t *) = 0;
70
71 // Parameters options
72 // virtual void ParamOptions(char *,char*) const = 0;
73 virtual Int_t NDetParam() const = 0;
74 virtual void GetDetParam(Double_t *) const = 0;
75 virtual void GetNoiseParam(Double_t&, Double_t&) const = 0;
76 virtual void SetThresholds(Double_t, Double_t) = 0;
77 virtual void Thresholds(Double_t &, Double_t &) const = 0;
78 virtual Double_t DriftSpeed() const {return SpeedElectron();};
79 // Set sigmas of the charge spread function
80 virtual void SetSigmaSpread(Double_t, Double_t) = 0;
81 // Get sigmas for the charge spread
82 virtual void SigmaSpread(Double_t &,Double_t &) const = 0;
83 // Pulse height from scored quantity (eloss)
84 virtual Double_t IntPH(Double_t) const {return 0.;}
85 // Charge disintegration
86 virtual Double_t IntXZ(AliITSsegmentation *) const {return 0.;}
87 // Electron mobility in Si. [cm^2/(Volt Sec)]. T in degree K, N in #/cm^3
88 virtual Double_t MobilityElectronSiEmp() const ;
89 // Hole mobility in Si. [cm^2/(Volt Sec)] T in degree K, N in #/cm^3
90 virtual Double_t MobilityHoleSiEmp() const ;
91 // Einstein relation for Diffusion Coefficient of Electrons. [cm^2/sec]
92 // T in degree K, N in #/cm^3
93 virtual Double_t DiffusionCoefficientElectron() const ;
94 // Einstein relation for Diffusion Coefficient of Holes. [cm^2/sec]
95 // T in [degree K], N in [#/cm^3]
96 virtual Double_t DiffusionCoefficientHole() const ;
97 // Electron <speed> under an applied electric field E=Volts/cm. [cm/sec]
98 // d distance-thickness in [cm], v in [volts], T in [degree K],
99 // N in [#/cm^3]
100 virtual Double_t SpeedElectron() const ;
101 // Holes <speed> under an applied electric field E=Volts/cm. [cm/sec]
102 // d distance-thickness in [cm], v in [volts], T in [degree K],
103 // N in [#/cm^3]
104 virtual Double_t SpeedHole() const ;
105 // Returns the Gaussian sigma == <x^2+z^2> [cm^2] due to the defusion of
106 // electrons or holes through a distance l [cm] caused by an applied
107 // voltage v [volt] through a distance d [cm] in any material at a
108 // temperature T [degree K].
109 virtual Double_t SigmaDiffusion3D(Double_t l) const;
110 // Returns the Gaussian sigma == <x^2 +y^2+z^2> [cm^2] due to the
111 // defusion of electrons or holes through a distance l [cm] caused by an
112 // applied voltage v [volt] through a distance d [cm] in any material at a
113 // temperature T [degree K].
114 virtual Double_t SigmaDiffusion2D(Double_t l) const;
115 // Returns the Gaussian sigma == <x^2+z^2> [cm^2] due to the defusion of
116 // electrons or holes through a distance l [cm] caused by an applied
117 // voltage v [volt] through a distance d [cm] in any material at a
118 // temperature T [degree K].
119 virtual Double_t SigmaDiffusion1D(Double_t l) const;
120 // Compute the thickness of the depleted region in a Si detector, version A
121 virtual Double_t DepletedRegionThicknessA(Double_t dopCons,
122 Double_t voltage,
123 Double_t elecCharge,
124 Double_t voltBuiltIn=0.5)const;
125 // Compute the thickness of the depleted region in a Si detector, version B
126 virtual Double_t DepletedRegionThicknessB(Double_t resist,Double_t voltage,
127 Double_t mobility,
128 Double_t voltBuiltIn=0.5,
129 Double_t dielConst=1.E-12)const;
130 // Computes the temperature dependance of the reverse bias current
131 virtual Double_t ReverseBiasCurrent(Double_t temp,Double_t revBiasCurT1,
132 Double_t tempT1,Double_t energy=1.2)const;
133 // Prints out the content of this class in ASCII format.
134 virtual void Print(ostream *os) const;
135 // Reads in the content of this class in the format of Print
136 virtual void Read(istream *is);
137 virtual void Print(Option_t *option="") const {TObject::Print(option);}
138 virtual Int_t Read(const char *name) {return TObject::Read(name);}
139
140 void SetResponse(AliITSresponse* response) {fResponse=response;}
141 AliITSresponse* GetResponse() const {return fResponse;}
142
143 virtual void SetDiffCoeff(Float_t p1, Float_t p2) {fResponse->SetDiffCoeff(p1,p2);}
144 virtual void DiffCoeff(Float_t &diff,Float_t &diff1) const {fResponse->DiffCoeff(diff,diff1);}
145 virtual void SetFilenames(const char *f1="",const char *f2="",
146 const char *f3="") {fResponse->SetFilenames(f1,f2,f3);}
147 virtual void Filenames(char* input,char* baseline,char* param) {fResponse->Filenames(input,baseline,param);}
148 virtual void SetOutputOption(Bool_t write=kFALSE) {fResponse->SetOutputOption(write);}
149 virtual Bool_t OutputOption() const {return fResponse->OutputOption();}
150
151 protected:
152 void NotImplemented(const char *method) const {if(gDebug>0)
153 Warning(method,"This method is not implemented for this sub-class");}
154
155 TString fDataType; // data type - real or simulated
156
157 Double_t fdv; // The parameter d/v where d is the disance over which the
158 // the potential v is applied d/v [cm/volts]
159 Double_t fN; // the impurity consentration of the material in #/cm^3
160 Float_t fT; // The temperature of the Si in Degree K.
161 Double_t fGeVcharge; // Energy to ionize (free an electron) in GeV
162 AliITSresponse* fResponse; //! ptr to base response obj. It is not
163 // deleted here but in AliITSDetTypeSim and AliITSDetTypeRec
164
165 ClassDef(AliITSCalibration,1) // Detector type response virtual base class
166};
167// Input and output function for standard C++ input/output.
168ostream& operator<<(ostream &os,AliITSCalibration &source);
169istream& operator>>(istream &os,AliITSCalibration &source);
170#endif