]>
Commit | Line | Data |
---|---|---|
8c555625 | 1 | #ifndef ALITPCPRF2D_H |
2 | #define ALITPCPRF2D_H | |
3da30618 | 3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | /* $Id$ */ | |
8c555625 | 7 | //////////////////////////////////////////////// |
cc80f89e | 8 | // Manager class for AliTPCPRF2D // |
8c555625 | 9 | //////////////////////////////////////////////// |
10 | ||
11 | ||
12 | // include files and class forward declarations | |
13 | //DSTEP in cm | |
14 | //NPRF in number of interpolation points | |
15 | ||
16 | ||
17 | #include "TObject.h" | |
18 | #include "TMath.h" | |
19 | class TF2; | |
cc80f89e | 20 | class TArrayF; |
8c555625 | 21 | |
22 | class AliTPCPRF2D : public TObject { | |
23 | public : | |
24 | AliTPCPRF2D(); | |
25 | ~AliTPCPRF2D(); | |
cc80f89e | 26 | void Update(); //recalculate tables for charge calculation |
8c555625 | 27 | Float_t GetGRF(Float_t xin, Float_t yin); |
28 | //return generic response function in xin | |
29 | Float_t GetPRF(Float_t xin, Float_t yin, Bool_t inter=kFALSE); | |
30 | //return PRF in point xin,yin | |
8c555625 | 31 | void DrawX(Float_t x1, Float_t x2,Float_t y, Bool_t inter=kFALSE); |
32 | //draw one dimensional response for | |
33 | //fixed y | |
34 | // void DrawY(Float_t y1, Float_t y2,Float_t x); | |
35 | //draw one dimensional response for fixed x | |
36 | void Draw(Float_t x1, Float_t x2, Float_t y1, Float_t y2, | |
37 | Bool_t inter=kFALSE, Int_t Nx=20, Int_t Ny=20); | |
38 | //draw two dimensional PRF | |
39 | ||
40 | void DrawDist(Float_t x1, Float_t x2, Float_t y1, Float_t y2, | |
41 | Bool_t inter=kFALSE, Int_t Nx=20, Int_t Ny=20, | |
42 | Float_t thr=0); | |
43 | //draw distortion of COG method | |
44 | //we suppose threshold equal to thr | |
cc80f89e | 45 | |
46 | void SetPad(Float_t width, Float_t height); | |
47 | //set base chevron parameters | |
48 | void SetChevron(Float_t hstep, Float_t shifty, Float_t fac); | |
49 | //set chevron parameters | |
50 | void SetChParam(Float_t width, Float_t height, | |
51 | Float_t hstep, Float_t shifty, Float_t fac); | |
52 | //set all geometrical parameters | |
53 | void SetY(Float_t y1, Float_t y2, Int_t nYdiv) ; | |
54 | void SetChargeAngle(Float_t angle){fChargeAngle = angle;} //set angle of pad and charge distribution | |
55 | //axes | |
8c555625 | 56 | void SetGauss(Float_t sigmaX,Float_t sigmaY , Float_t kNorm=1); |
57 | //adjust PRF with GAUSIAN as generic GRF | |
58 | //if direct = kTRUE then it does't convolute distribution | |
59 | void SetCosh(Float_t sigmaX,Float_t sigmaY , Float_t kNorm=1); | |
60 | //adjust PRF with 1/Cosh as generic GRF | |
61 | void SetGati(Float_t K3X, Float_t K3Y, | |
62 | Float_t padDistance, | |
63 | Float_t kNorm=1); | |
64 | void SetParam(TF2 * GRF,Float_t kNorm, | |
65 | Float_t sigmaX=0, Float_t sigmaY=0); | |
8c555625 | 66 | void SetNdiv(Int_t Ndiv){fNdiv=Ndiv;} |
cc80f89e | 67 | Float_t GetSigmaX() const {return fSigmaX;} |
68 | Float_t GetSigmaY() const {return fSigmaY;} | |
69 | ||
70 | ||
8c555625 | 71 | protected: |
cc80f89e | 72 | void Update1(); |
73 | void UpdateSigma(); //recalculate sigma of PRF | |
8c555625 | 74 | Float_t GetPRFActiv(Float_t xin); //return PRF in point xin and actual y |
cc80f89e | 75 | Float_t * fcharge; //field with PRF |
76 | Float_t fY1; //position of first "virtual" vire | |
77 | Float_t fY2; //position of last virtual vire | |
78 | Int_t fNYdiv; //number of wires | |
8c555625 | 79 | Float_t * ffcharge; //pointer to array of arrays |
80 | ||
81 | private: | |
cc80f89e | 82 | |
83 | //chevron parameters | |
84 | Float_t fHeightFull; //height of the full pad | |
85 | Float_t fHeightS; //height of the one step | |
86 | Float_t fShiftY; //shift of the step | |
87 | Float_t fWidth; //width of the pad | |
88 | Float_t fK; //k factor of the chewron | |
89 | ||
8c555625 | 90 | Double_t funParam[5];//parameters of used charge function |
91 | Int_t fNPRF; //number of interpolations point | |
92 | Int_t fNdiv; //number of division to calculate integral | |
93 | Float_t fDStep; //element step for point | |
94 | Float_t fkNorm; //normalisation factor of the charge integral | |
95 | Float_t fInteg; //integral of GRF on +- infinity | |
96 | TF2 * fGRF; //charge distribution function | |
97 | ||
cc80f89e | 98 | Float_t fK3X; //KX parameter (only for Gati parametrization) |
99 | Float_t fK3Y; //KY parameter (only for Gati parametrisation) | |
100 | Float_t fPadDistance; //pad anode distnce (only for Gati parametrisation) | |
101 | ||
102 | Float_t fOrigSigmaX; //sigma of original distribution; | |
103 | Float_t fOrigSigmaY; //sigma of original distribution; | |
104 | Float_t fChargeAngle;//'angle' of charge distribution refernce system to pad reference system | |
105 | Float_t fCosAngle; //'angle' of the pad assymetry | |
8c555625 | 106 | |
cc80f89e | 107 | Float_t fSigmaX; //sigma X of PAD response function |
108 | Float_t fSigmaY; //sigma Y of PAD response function | |
109 | Float_t fMeanX; //mean X value | |
110 | Float_t fMeanY; //mean Y value | |
8c555625 | 111 | //calculated during update |
112 | ||
cc80f89e | 113 | |
114 | ||
115 | char fType[5]; //charge type | |
116 | Float_t fCurrentY; //in reality we calculate PRF only for one fixed y | |
117 | Float_t fDYtoWire; //! used to make PRF calculation faster in GetPRF | |
118 | Float_t fDStepM1; //! used in GetPRFActiv to make calculation faster | |
8c555625 | 119 | ClassDef(AliTPCPRF2D,1) |
120 | }; | |
121 | ||
122 | #endif /* ALITPCPRF2D_H */ | |
123 |