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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 | |
3e1872ed | 10 | class AliMUONChamber; |
c1a185bf | 11 | class TF1; |
ecfa008b | 12 | |
a9e2aefa | 13 | //---------------------------------------------- |
14 | // | |
15 | // Chamber segmentation for homogeneously segmented circular chamber | |
16 | // | |
17 | class AliMUONSegmentationV0 : | |
a30a000f | 18 | public AliSegmentation { |
a897a37a | 19 | public: |
3f5cf0b3 | 20 | AliMUONSegmentationV0(){fCorr=0;fChamber=0;} |
a9e2aefa | 21 | AliMUONSegmentationV0(const AliMUONSegmentationV0 & segmentation); |
22 | ||
23 | virtual ~AliMUONSegmentationV0(){} | |
a897a37a | 24 | // Set Chamber Segmentation Parameters |
25 | // | |
26 | // Pad size Dx*Dy | |
a9e2aefa | 27 | virtual void SetPadSize(Float_t p1, Float_t p2); |
a897a37a | 28 | // Anod Pitch |
29 | virtual void SetDAnod(Float_t D) {fWireD = D;}; | |
30 | // Transform from pad (wire) to real coordinates and vice versa | |
31 | // | |
32 | // Anod wire coordinate closest to xhit | |
c3eff6ad | 33 | virtual Float_t GetAnod(Float_t xhit) const; |
a897a37a | 34 | // Transform from pad to real coordinates |
c3eff6ad | 35 | virtual void GetPadI(Float_t x, Float_t y , Int_t &ix, Int_t &iy) ; |
36 | virtual void GetPadI(Float_t x, Float_t y , Float_t z, Int_t &ix, Int_t &iy) | |
a30a000f | 37 | {GetPadI(x, y, ix, iy);} |
a897a37a | 38 | // Transform from real to pad coordinates |
c3eff6ad | 39 | virtual void GetPadC(Int_t ix, Int_t iy, Float_t &x, Float_t &y) ; |
40 | virtual void GetPadC(Int_t ix, Int_t iy, Float_t &x, Float_t &y, Float_t &z) | |
3e1872ed | 41 | {z=fZ; GetPadC(ix, iy, x , y);} |
a897a37a | 42 | // |
43 | // Initialisation | |
d81db581 | 44 | virtual void Init(Int_t chamber); |
a897a37a | 45 | // |
46 | // Get member data | |
47 | // | |
48 | // Pad size in x | |
94de3818 | 49 | virtual Float_t Dpx() const {return fDpx;} |
a897a37a | 50 | // Pad size in y |
94de3818 | 51 | virtual Float_t Dpy() const {return fDpy;} |
a897a37a | 52 | // Pad size in x by Sector |
94de3818 | 53 | virtual Float_t Dpx(Int_t) const {return fDpx;} |
a897a37a | 54 | // Pad size in y by Secto |
94de3818 | 55 | virtual Float_t Dpy(Int_t) const {return fDpy;} |
a9e2aefa | 56 | // Maximum number of Pads in x |
94de3818 | 57 | virtual Int_t Npx() const {return fNpx;} |
a9e2aefa | 58 | // Maximum number of Pads in y |
94de3818 | 59 | virtual Int_t Npy() const {return fNpy;} |
a9e2aefa | 60 | // Set pad position |
61 | virtual void SetPad(Int_t ix, Int_t iy); | |
62 | // Set hit position | |
63 | virtual void SetHit(Float_t xhit, Float_t yhit); | |
24b005db | 64 | virtual void SetHit(Float_t xhit, Float_t yhit, Float_t zhit) |
65 | {SetHit(xhit, yhit);} | |
a897a37a | 66 | // |
67 | // Iterate over pads | |
68 | // Initialiser | |
69 | virtual void FirstPad(Float_t xhit, Float_t yhit, Float_t dx, Float_t dy); | |
24b005db | 70 | virtual void FirstPad(Float_t xhit, Float_t yhit, Float_t zhit, Float_t dx, Float_t dy) |
71 | {FirstPad(xhit, yhit, dx, dy);} | |
a897a37a | 72 | // Stepper |
73 | virtual void NextPad(); | |
74 | // Condition | |
75 | virtual Int_t MorePads(); | |
76 | // | |
77 | // Distance between 1 pad and a position | |
78 | virtual Float_t Distance2AndOffset(Int_t iX, Int_t iY, Float_t X, Float_t Y, Int_t * | |
79 | dummy); | |
80 | // Number of pads read in parallel and offset to add to x | |
81 | // (specific to LYON, but mandatory for display) | |
a9e2aefa | 82 | virtual void GetNParallelAndOffset(Int_t iX, Int_t iY, |
a897a37a | 83 | Int_t *Nparallel, Int_t *Offset) {*Nparallel=1;*Offset=0;} |
84 | // Get next neighbours | |
85 | virtual void Neighbours | |
c3eff6ad | 86 | (Int_t iX, Int_t iY, Int_t* Nlist, Int_t Xlist[10], Int_t Ylist[10]) ; |
a9e2aefa | 87 | // |
a897a37a | 88 | // Current Pad during Integration |
89 | // x-coordinaten | |
c3eff6ad | 90 | virtual Int_t Ix() {return fIx;} |
a897a37a | 91 | // y-coordinate |
c3eff6ad | 92 | virtual Int_t Iy() {return fIy;} |
a897a37a | 93 | // current sector |
00e44355 | 94 | virtual Int_t ISector() {return 1;} |
a897a37a | 95 | // calculate sector from pad coordinates |
c3eff6ad | 96 | virtual Int_t Sector(Int_t ix, Int_t iy) {return 1;} |
a897a37a | 97 | // |
98 | // Signal Generation Condition during Stepping | |
c3eff6ad | 99 | virtual Int_t SigGenCond(Float_t x, Float_t y, Float_t z) ; |
a897a37a | 100 | // Initialise signal gneration at coord (x,y,z) |
101 | virtual void SigGenInit(Float_t x, Float_t y, Float_t z); | |
102 | // Current integration limits | |
103 | virtual void IntegrationLimits | |
104 | (Float_t& x1, Float_t& x2, Float_t& y1, Float_t& y2); | |
105 | // Test points for auto calibration | |
c3eff6ad | 106 | virtual void GiveTestPoints(Int_t &n, Float_t *x, Float_t *y) const; |
a9e2aefa | 107 | // Draw segmentation zones |
c3eff6ad | 108 | virtual void Draw(const char *opt="") const; |
a897a37a | 109 | // Function for systematic corrections |
a9e2aefa | 110 | // Set the correction function |
111 | virtual void SetCorrFunc(Int_t dum, TF1* func) {fCorr=func;} | |
112 | // Get the correction Function | |
c3eff6ad | 113 | virtual TF1* CorrFunc(Int_t) const {return fCorr;} |
a9e2aefa | 114 | // assignment operator |
115 | AliMUONSegmentationV0& operator=(const AliMUONSegmentationV0& rhs); | |
a897a37a | 116 | |
a9e2aefa | 117 | ClassDef(AliMUONSegmentationV0,1) //Class for homogeneous segmentation |
118 | protected: | |
a897a37a | 119 | // |
a9e2aefa | 120 | // Implementation of the segmentation class: |
a897a37a | 121 | // Version 0 models rectangular pads with the same dimensions all |
a9e2aefa | 122 | // over the cathode plane. Chamber has circular geometry. |
123 | // | |
124 | // Geometry parameters | |
a897a37a | 125 | // |
126 | Float_t fDpx; // x pad width per sector | |
127 | Float_t fDpy; // y pad base width | |
128 | Int_t fNpx; // Number of pads in x | |
129 | Int_t fNpy; // Number of pads in y | |
130 | Float_t fWireD; // wire pitch | |
131 | Float_t fRmin; // inner radius | |
132 | Float_t fRmax; // outer radius | |
133 | ||
134 | ||
135 | // Chamber region consideres during disintegration | |
e9e4cdf2 | 136 | Int_t fIxmin; // ! lower left x |
137 | Int_t fIxmax; // ! lower left y | |
138 | Int_t fIymin; // ! upper right x | |
139 | Int_t fIymax; // ! upper right y | |
a897a37a | 140 | // |
141 | // Current pad during integration (cursor for disintegration) | |
e9e4cdf2 | 142 | Int_t fIx; // ! pad coord. x |
143 | Int_t fIy; // ! pad coord. y | |
144 | Float_t fX; // ! real coord. x | |
145 | Float_t fY; // ! real ccord. y | |
a897a37a | 146 | // |
147 | // Current pad and wire during tracking (cursor at hit centre) | |
148 | // | |
149 | // | |
e9e4cdf2 | 150 | Float_t fXhit; // ! x-position of hit |
151 | Float_t fYhit; // ! y-position of hit | |
a897a37a | 152 | // Reference point to define signal generation condition |
e9e4cdf2 | 153 | Int_t fIxt; // ! pad coord. x |
154 | Int_t fIyt; // ! pad coord. y | |
155 | Int_t fIwt; // ! wire number | |
156 | Float_t fXt; // ! x | |
157 | Float_t fYt; // ! y | |
158 | TF1* fCorr; // ! correction function | |
3e1872ed | 159 | // |
aaf4addd | 160 | AliMUONChamber* fChamber; // ! Reference to mother chamber |
161 | Int_t fId; // Identifier | |
3e1872ed | 162 | Float_t fZ; // z-position of chamber |
a897a37a | 163 | }; |
164 | #endif | |
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