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a9e2aefa | 1 | #ifndef ALIMUONSEGMENTATIONV0_H |
2 | #define ALIMUONSEGMENTATIONV0_H | |
3da30618 | 3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | /* $Id$ */ | |
a897a37a | 7 | |
a9e2aefa | 8 | #include "AliMUONSegmentation.h" |
a897a37a | 9 | |
a9e2aefa | 10 | class AliMUONChamber; |
11 | //---------------------------------------------- | |
12 | // | |
13 | // Chamber segmentation for homogeneously segmented circular chamber | |
14 | // | |
15 | class AliMUONSegmentationV0 : | |
16 | public AliMUONSegmentation { | |
a897a37a | 17 | public: |
a9e2aefa | 18 | AliMUONSegmentationV0(){} |
19 | AliMUONSegmentationV0(const AliMUONSegmentationV0 & segmentation); | |
20 | ||
21 | virtual ~AliMUONSegmentationV0(){} | |
a897a37a | 22 | // Set Chamber Segmentation Parameters |
23 | // | |
24 | // Pad size Dx*Dy | |
a9e2aefa | 25 | virtual void SetPadSize(Float_t p1, Float_t p2); |
a897a37a | 26 | // Anod Pitch |
27 | virtual void SetDAnod(Float_t D) {fWireD = D;}; | |
28 | // Transform from pad (wire) to real coordinates and vice versa | |
29 | // | |
30 | // Anod wire coordinate closest to xhit | |
31 | virtual Float_t GetAnod(Float_t xhit); | |
32 | // Transform from pad to real coordinates | |
33 | virtual void GetPadIxy(Float_t x ,Float_t y ,Int_t &ix,Int_t &iy); | |
34 | // Transform from real to pad coordinates | |
35 | virtual void GetPadCxy(Int_t ix,Int_t iy,Float_t &x ,Float_t &y ); | |
36 | // | |
37 | // Initialisation | |
a9e2aefa | 38 | virtual void Init(AliMUONChamber* chamber); |
a897a37a | 39 | // |
40 | // Get member data | |
41 | // | |
42 | // Pad size in x | |
43 | virtual Float_t Dpx(){return fDpx;} | |
44 | // Pad size in y | |
45 | virtual Float_t Dpy(){return fDpy;} | |
46 | // Pad size in x by Sector | |
47 | virtual Float_t Dpx(Int_t) {return fDpx;} | |
48 | // Pad size in y by Secto | |
49 | virtual Float_t Dpy(Int_t) {return fDpy;} | |
a9e2aefa | 50 | // Maximum number of Pads in x |
a897a37a | 51 | virtual Int_t Npx(){return fNpx;} |
a9e2aefa | 52 | // Maximum number of Pads in y |
a897a37a | 53 | virtual Int_t Npy(){return fNpy;} |
a9e2aefa | 54 | // Set pad position |
55 | virtual void SetPad(Int_t ix, Int_t iy); | |
56 | // Set hit position | |
57 | virtual void SetHit(Float_t xhit, Float_t yhit); | |
a897a37a | 58 | // |
59 | // Iterate over pads | |
60 | // Initialiser | |
61 | virtual void FirstPad(Float_t xhit, Float_t yhit, Float_t dx, Float_t dy); | |
62 | // Stepper | |
63 | virtual void NextPad(); | |
64 | // Condition | |
65 | virtual Int_t MorePads(); | |
66 | // | |
67 | // Distance between 1 pad and a position | |
68 | virtual Float_t Distance2AndOffset(Int_t iX, Int_t iY, Float_t X, Float_t Y, Int_t * | |
69 | dummy); | |
70 | // Number of pads read in parallel and offset to add to x | |
71 | // (specific to LYON, but mandatory for display) | |
a9e2aefa | 72 | virtual void GetNParallelAndOffset(Int_t iX, Int_t iY, |
a897a37a | 73 | Int_t *Nparallel, Int_t *Offset) {*Nparallel=1;*Offset=0;} |
74 | // Get next neighbours | |
75 | virtual void Neighbours | |
76 | (Int_t iX, Int_t iY, Int_t* Nlist, Int_t Xlist[10], Int_t Ylist[10]); | |
a9e2aefa | 77 | // |
a897a37a | 78 | // Current Pad during Integration |
79 | // x-coordinaten | |
80 | virtual Int_t Ix(){return fix;} | |
81 | // y-coordinate | |
82 | virtual Int_t Iy(){return fiy;} | |
83 | // current sector | |
84 | virtual Int_t ISector(){return 1;} | |
85 | // calculate sector from pad coordinates | |
a9e2aefa | 86 | virtual Int_t Sector(Int_t ix, Int_t iy) {return 1;} |
a897a37a | 87 | // |
88 | // Signal Generation Condition during Stepping | |
89 | virtual Int_t SigGenCond(Float_t x, Float_t y, Float_t z); | |
90 | // Initialise signal gneration at coord (x,y,z) | |
91 | virtual void SigGenInit(Float_t x, Float_t y, Float_t z); | |
92 | // Current integration limits | |
93 | virtual void IntegrationLimits | |
94 | (Float_t& x1, Float_t& x2, Float_t& y1, Float_t& y2); | |
95 | // Test points for auto calibration | |
96 | virtual void GiveTestPoints(Int_t &n, Float_t *x, Float_t *y); | |
a9e2aefa | 97 | // Draw segmentation zones |
98 | virtual void Draw(); | |
a897a37a | 99 | // Function for systematic corrections |
a9e2aefa | 100 | // Set the correction function |
101 | virtual void SetCorrFunc(Int_t dum, TF1* func) {fCorr=func;} | |
102 | // Get the correction Function | |
103 | virtual TF1* CorrFunc(Int_t) {return fCorr;} | |
104 | // assignment operator | |
105 | AliMUONSegmentationV0& operator=(const AliMUONSegmentationV0& rhs); | |
a897a37a | 106 | |
a9e2aefa | 107 | ClassDef(AliMUONSegmentationV0,1) //Class for homogeneous segmentation |
108 | protected: | |
a897a37a | 109 | // |
a9e2aefa | 110 | // Implementation of the segmentation class: |
a897a37a | 111 | // Version 0 models rectangular pads with the same dimensions all |
a9e2aefa | 112 | // over the cathode plane. Chamber has circular geometry. |
113 | // | |
114 | // Geometry parameters | |
a897a37a | 115 | // |
116 | Float_t fDpx; // x pad width per sector | |
117 | Float_t fDpy; // y pad base width | |
118 | Int_t fNpx; // Number of pads in x | |
119 | Int_t fNpy; // Number of pads in y | |
120 | Float_t fWireD; // wire pitch | |
121 | Float_t fRmin; // inner radius | |
122 | Float_t fRmax; // outer radius | |
123 | ||
124 | ||
125 | // Chamber region consideres during disintegration | |
126 | Int_t fixmin; // lower left x | |
127 | Int_t fixmax; // lower left y | |
128 | Int_t fiymin; // upper right x | |
129 | Int_t fiymax; // upper right y | |
130 | // | |
131 | // Current pad during integration (cursor for disintegration) | |
a9e2aefa | 132 | Int_t fix; // pad coord. x |
133 | Int_t fiy; // pad coord. y | |
134 | Float_t fx; // real coord. x | |
135 | Float_t fy; // real ccord. y | |
a897a37a | 136 | // |
137 | // Current pad and wire during tracking (cursor at hit centre) | |
138 | // | |
139 | // | |
a9e2aefa | 140 | Float_t fxhit; // x-position of hit |
141 | Float_t fyhit; // y-position of hit | |
a897a37a | 142 | // Reference point to define signal generation condition |
143 | Int_t fixt; // pad coord. x | |
144 | Int_t fiyt; // pad coord. y | |
145 | Int_t fiwt; // wire number | |
146 | Float_t fxt; // x | |
147 | Float_t fyt; // y | |
148 | TF1* fCorr; // correction function | |
a897a37a | 149 | }; |
150 | #endif | |
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