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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 | |
a30a000f | 8 | #include "AliSegmentation.h" |
a897a37a | 9 | |
a9e2aefa | 10 | //---------------------------------------------- |
11 | // | |
12 | // Chamber segmentation for homogeneously segmented circular chamber | |
13 | // | |
14 | class AliMUONSegmentationV0 : | |
a30a000f | 15 | public AliSegmentation { |
a897a37a | 16 | public: |
a9e2aefa | 17 | AliMUONSegmentationV0(){} |
18 | AliMUONSegmentationV0(const AliMUONSegmentationV0 & segmentation); | |
19 | ||
20 | virtual ~AliMUONSegmentationV0(){} | |
a897a37a | 21 | // Set Chamber Segmentation Parameters |
22 | // | |
23 | // Pad size Dx*Dy | |
a9e2aefa | 24 | virtual void SetPadSize(Float_t p1, Float_t p2); |
a897a37a | 25 | // Anod Pitch |
26 | virtual void SetDAnod(Float_t D) {fWireD = D;}; | |
27 | // Transform from pad (wire) to real coordinates and vice versa | |
28 | // | |
29 | // Anod wire coordinate closest to xhit | |
30 | virtual Float_t GetAnod(Float_t xhit); | |
31 | // Transform from pad to real coordinates | |
a30a000f | 32 | virtual void GetPadI(Float_t x, Float_t y , Int_t &ix, Int_t &iy); |
33 | virtual void GetPadI(Float_t x, Float_t y , Float_t z, Int_t &ix, Int_t &iy) | |
34 | {GetPadI(x, y, ix, iy);} | |
a897a37a | 35 | // Transform from real to pad coordinates |
a30a000f | 36 | virtual void GetPadC(Int_t ix, Int_t iy, Float_t &x, Float_t &y); |
37 | virtual void GetPadC(Int_t ix, Int_t iy, Float_t &x, Float_t &y, Float_t &z) | |
38 | {z=0; GetPadC(ix, iy, x , y);} | |
a897a37a | 39 | // |
40 | // Initialisation | |
d81db581 | 41 | virtual void Init(Int_t chamber); |
a897a37a | 42 | // |
43 | // Get member data | |
44 | // | |
45 | // Pad size in x | |
46 | virtual Float_t Dpx(){return fDpx;} | |
47 | // Pad size in y | |
48 | virtual Float_t Dpy(){return fDpy;} | |
49 | // Pad size in x by Sector | |
50 | virtual Float_t Dpx(Int_t) {return fDpx;} | |
51 | // Pad size in y by Secto | |
52 | virtual Float_t Dpy(Int_t) {return fDpy;} | |
a9e2aefa | 53 | // Maximum number of Pads in x |
a897a37a | 54 | virtual Int_t Npx(){return fNpx;} |
a9e2aefa | 55 | // Maximum number of Pads in y |
a897a37a | 56 | virtual Int_t Npy(){return fNpy;} |
a9e2aefa | 57 | // Set pad position |
58 | virtual void SetPad(Int_t ix, Int_t iy); | |
59 | // Set hit position | |
60 | virtual void SetHit(Float_t xhit, Float_t yhit); | |
24b005db | 61 | virtual void SetHit(Float_t xhit, Float_t yhit, Float_t zhit) |
62 | {SetHit(xhit, yhit);} | |
a897a37a | 63 | // |
64 | // Iterate over pads | |
65 | // Initialiser | |
66 | virtual void FirstPad(Float_t xhit, Float_t yhit, Float_t dx, Float_t dy); | |
24b005db | 67 | virtual void FirstPad(Float_t xhit, Float_t yhit, Float_t zhit, Float_t dx, Float_t dy) |
68 | {FirstPad(xhit, yhit, dx, dy);} | |
a897a37a | 69 | // Stepper |
70 | virtual void NextPad(); | |
71 | // Condition | |
72 | virtual Int_t MorePads(); | |
73 | // | |
74 | // Distance between 1 pad and a position | |
75 | virtual Float_t Distance2AndOffset(Int_t iX, Int_t iY, Float_t X, Float_t Y, Int_t * | |
76 | dummy); | |
77 | // Number of pads read in parallel and offset to add to x | |
78 | // (specific to LYON, but mandatory for display) | |
a9e2aefa | 79 | virtual void GetNParallelAndOffset(Int_t iX, Int_t iY, |
a897a37a | 80 | Int_t *Nparallel, Int_t *Offset) {*Nparallel=1;*Offset=0;} |
81 | // Get next neighbours | |
82 | virtual void Neighbours | |
83 | (Int_t iX, Int_t iY, Int_t* Nlist, Int_t Xlist[10], Int_t Ylist[10]); | |
a9e2aefa | 84 | // |
a897a37a | 85 | // Current Pad during Integration |
86 | // x-coordinaten | |
87 | virtual Int_t Ix(){return fix;} | |
88 | // y-coordinate | |
89 | virtual Int_t Iy(){return fiy;} | |
90 | // current sector | |
91 | virtual Int_t ISector(){return 1;} | |
92 | // calculate sector from pad coordinates | |
a9e2aefa | 93 | virtual Int_t Sector(Int_t ix, Int_t iy) {return 1;} |
a897a37a | 94 | // |
95 | // Signal Generation Condition during Stepping | |
96 | virtual Int_t SigGenCond(Float_t x, Float_t y, Float_t z); | |
97 | // Initialise signal gneration at coord (x,y,z) | |
98 | virtual void SigGenInit(Float_t x, Float_t y, Float_t z); | |
99 | // Current integration limits | |
100 | virtual void IntegrationLimits | |
101 | (Float_t& x1, Float_t& x2, Float_t& y1, Float_t& y2); | |
102 | // Test points for auto calibration | |
103 | virtual void GiveTestPoints(Int_t &n, Float_t *x, Float_t *y); | |
a9e2aefa | 104 | // Draw segmentation zones |
ef42d733 | 105 | virtual void Draw(const char *opt=""); |
a897a37a | 106 | // Function for systematic corrections |
a9e2aefa | 107 | // Set the correction function |
108 | virtual void SetCorrFunc(Int_t dum, TF1* func) {fCorr=func;} | |
109 | // Get the correction Function | |
110 | virtual TF1* CorrFunc(Int_t) {return fCorr;} | |
111 | // assignment operator | |
112 | AliMUONSegmentationV0& operator=(const AliMUONSegmentationV0& rhs); | |
a897a37a | 113 | |
a9e2aefa | 114 | ClassDef(AliMUONSegmentationV0,1) //Class for homogeneous segmentation |
115 | protected: | |
a897a37a | 116 | // |
a9e2aefa | 117 | // Implementation of the segmentation class: |
a897a37a | 118 | // Version 0 models rectangular pads with the same dimensions all |
a9e2aefa | 119 | // over the cathode plane. Chamber has circular geometry. |
120 | // | |
121 | // Geometry parameters | |
a897a37a | 122 | // |
123 | Float_t fDpx; // x pad width per sector | |
124 | Float_t fDpy; // y pad base width | |
125 | Int_t fNpx; // Number of pads in x | |
126 | Int_t fNpy; // Number of pads in y | |
127 | Float_t fWireD; // wire pitch | |
128 | Float_t fRmin; // inner radius | |
129 | Float_t fRmax; // outer radius | |
130 | ||
131 | ||
132 | // Chamber region consideres during disintegration | |
133 | Int_t fixmin; // lower left x | |
134 | Int_t fixmax; // lower left y | |
135 | Int_t fiymin; // upper right x | |
136 | Int_t fiymax; // upper right y | |
137 | // | |
138 | // Current pad during integration (cursor for disintegration) | |
a9e2aefa | 139 | Int_t fix; // pad coord. x |
140 | Int_t fiy; // pad coord. y | |
141 | Float_t fx; // real coord. x | |
142 | Float_t fy; // real ccord. y | |
a897a37a | 143 | // |
144 | // Current pad and wire during tracking (cursor at hit centre) | |
145 | // | |
146 | // | |
a9e2aefa | 147 | Float_t fxhit; // x-position of hit |
148 | Float_t fyhit; // y-position of hit | |
a897a37a | 149 | // Reference point to define signal generation condition |
150 | Int_t fixt; // pad coord. x | |
151 | Int_t fiyt; // pad coord. y | |
152 | Int_t fiwt; // wire number | |
153 | Float_t fxt; // x | |
154 | Float_t fyt; // y | |
155 | TF1* fCorr; // correction function | |
a897a37a | 156 | }; |
157 | #endif | |
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