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dd9a6ee3 | 1 | #ifndef ALITRDGEOMETRY_H |
2 | #define ALITRDGEOMETRY_H | |
f7336fa3 | 3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
db30bf0f | 6 | /* $Id$ */ |
f7336fa3 | 7 | |
94de3818 | 8 | #include "AliGeometry.h" |
f7336fa3 | 9 | |
f7336fa3 | 10 | class AliTRDgeometry : public AliGeometry { |
11 | ||
12 | public: | |
13 | ||
dd56b762 | 14 | enum { kNplan = 6, kNcham = 5, kNsect = 18, kNdet = 540 }; |
15 | ||
f7336fa3 | 16 | AliTRDgeometry(); |
8230f242 | 17 | virtual ~AliTRDgeometry(); |
f7336fa3 | 18 | |
793ff80c | 19 | virtual void CreateGeometry(Int_t *idtmed); |
20 | virtual Int_t IsVersion() const = 0; | |
21 | virtual void Init(); | |
22 | virtual Bool_t Local2Global(Int_t d, Float_t *local, Float_t *global) const; | |
23 | virtual Bool_t Local2Global(Int_t p, Int_t c, Int_t s, Float_t *local, Float_t *global) const; | |
24 | virtual Bool_t Rotate(Int_t d, Float_t *pos, Float_t *rot) const; | |
25 | virtual Bool_t RotateBack(Int_t d, Float_t *rot, Float_t *pos) const; | |
26 | ||
27 | static Int_t Nsect() { return fgkNsect; }; | |
28 | static Int_t Nplan() { return fgkNplan; }; | |
29 | static Int_t Ncham() { return fgkNcham; }; | |
30 | static Int_t Ndet() { return fgkNdet; }; | |
31 | ||
32 | static Float_t Rmin() { return fgkRmin; }; | |
33 | static Float_t Rmax() { return fgkRmax; }; | |
34 | static Float_t Zmax1() { return fgkZmax1; }; | |
35 | static Float_t Zmax2() { return fgkZmax2; }; | |
36 | ||
37 | static Float_t Cwidcha() { return (fgkSwidth2 - fgkSwidth1) | |
38 | / fgkSheight * (fgkCheight + fgkCspace); }; | |
39 | static Float_t Cheight() { return fgkCheight; }; | |
40 | static Float_t Cspace() { return fgkCspace; }; | |
a2b90f83 | 41 | static Float_t Ccframe() { return fgkCcframe; }; |
793ff80c | 42 | static Float_t MyThick() { return fgkMyThick; }; |
43 | static Float_t DrThick() { return fgkDrThick; }; | |
a2b90f83 | 44 | static Float_t AmThick() { return fgkAmThick; }; |
a2b90f83 | 45 | static Float_t DrZpos() { return fgkDrZpos; }; |
793ff80c | 46 | |
47 | virtual void SetPHOShole() = 0; | |
48 | virtual void SetRICHhole() = 0; | |
49 | ||
a2b90f83 | 50 | virtual void SetNRowPad(const Int_t p, const Int_t c, const Int_t npad) {}; |
51 | virtual void SetNColPad(const Int_t npad); | |
52 | virtual void SetNTimeBin(const Int_t nbin); | |
53 | virtual void SetExpandTimeBin(const Int_t nbefore, const Int_t nafter) | |
54 | { fTimeBefore = nbefore; | |
55 | fTimeAfter = nafter; }; | |
793ff80c | 56 | |
57 | virtual Bool_t GetPHOShole() const = 0; | |
58 | virtual Bool_t GetRICHhole() const = 0; | |
59 | ||
a2b90f83 | 60 | virtual Int_t GetDetector(const Int_t p, const Int_t c, const Int_t s) const; |
61 | virtual Int_t GetPlane(const Int_t d) const; | |
62 | virtual Int_t GetChamber(const Int_t d) const; | |
63 | virtual Int_t GetSector(const Int_t d) const; | |
793ff80c | 64 | |
a2b90f83 | 65 | Float_t GetChamberWidth(const Int_t p) const { return fCwidth[p]; }; |
793ff80c | 66 | |
a2b90f83 | 67 | Int_t GetRowMax(const Int_t p, const Int_t c, const Int_t s) |
68 | const { return fRowMax[p][c][s]; }; | |
69 | Int_t GetColMax(const Int_t p) const { return fColMax[p]; }; | |
70 | Int_t GetTimeMax() const { return fTimeMax; }; | |
71 | Int_t GetTimeBefore() const { return fTimeBefore; }; | |
72 | Int_t GetTimeAfter() const { return fTimeAfter; }; | |
73 | Int_t GetTimeTotal() const { return fTimeMax | |
74 | + fTimeBefore | |
75 | + fTimeAfter; }; | |
76 | ||
77 | Float_t GetRow0(const Int_t p, const Int_t c, const Int_t s) | |
78 | const { return fRow0[p][c][s]; }; | |
79 | Float_t GetCol0(const Int_t p) const { return fCol0[p]; }; | |
80 | Float_t GetTime0(const Int_t p) const { return fTime0[p]; }; | |
81 | ||
82 | Float_t GetRowPadSize(const Int_t p, const Int_t c, const Int_t s) | |
83 | const { return fRowPadSize[p][c][s]; }; | |
84 | Float_t GetColPadSize(const Int_t p) const { return fColPadSize[p]; }; | |
85 | Float_t GetTimeBinSize() const { return fTimeBinSize; }; | |
f7336fa3 | 86 | |
793ff80c | 87 | virtual void GetGlobal(const AliRecPoint *p, TVector3 &pos, TMatrix &mat) const; |
88 | virtual void GetGlobal(const AliRecPoint *p, TVector3 &pos) const; | |
f7336fa3 | 89 | |
a2b90f83 | 90 | static Double_t GetAlpha() { return 2 * 3.14159265358979323846 / fgkNsect; }; |
f7336fa3 | 91 | |
793ff80c | 92 | protected: |
f7336fa3 | 93 | |
793ff80c | 94 | static const Int_t fgkNsect; // Number of sectors in the full detector (18) |
95 | static const Int_t fgkNplan; // Number of planes of the TRD (6) | |
96 | static const Int_t fgkNcham; // Number of chambers in z-direction (5) | |
97 | static const Int_t fgkNdet; // Total number of detectors (18 * 6 * 5 = 540) | |
98 | ||
99 | static const Float_t fgkRmin; // Minimal radius of the TRD | |
100 | static const Float_t fgkRmax; // Maximal radius of the TRD | |
101 | ||
102 | static const Float_t fgkZmax1; // Half-length of the TRD at outer radius | |
103 | static const Float_t fgkZmax2; // Half-length of the TRD at inner radius | |
104 | ||
105 | static const Float_t fgkSheight; // Height of the TRD-volume in spaceframe (BTR1-3) | |
106 | static const Float_t fgkSwidth1; // Lower width of the TRD-volume in spaceframe (BTR1-3) | |
107 | static const Float_t fgkSwidth2; // Upper width of the TRD-volume in spaceframe (BTR1-3) | |
108 | static const Float_t fgkSlenTR1; // Length of the TRD-volume in spaceframe (BTR1) | |
109 | static const Float_t fgkSlenTR2; // Length of the TRD-volume in spaceframe (BTR2) | |
110 | static const Float_t fgkSlenTR3; // Length of the TRD-volume in spaceframe (BTR3) | |
111 | ||
112 | static const Float_t fgkCheight; // Height of the chambers | |
113 | static const Float_t fgkCspace; // Vertical spacing of the chambers | |
114 | static const Float_t fgkCaframe; // Height of the aluminum frame | |
115 | static const Float_t fgkCcframe; // Height of the carbon frame | |
116 | static const Float_t fgkCathick; // Thickness of the aluminum frame | |
117 | static const Float_t fgkCcthick; // Thickness of the carbon frame | |
118 | ||
793ff80c | 119 | static const Float_t fgkRaThick; // Thickness of the radiator |
793ff80c | 120 | static const Float_t fgkMyThick; // Thickness of the mylar-layer |
121 | static const Float_t fgkXeThick; // Thickness of the gas volume | |
122 | static const Float_t fgkDrThick; // Thickness of the drift region | |
123 | static const Float_t fgkAmThick; // Thickness of the amplification region | |
124 | static const Float_t fgkCuThick; // Thickness of the pad plane | |
125 | static const Float_t fgkSuThick; // Thickness of the HEXCEL+G10 support structure | |
126 | static const Float_t fgkFeThick; // Thickness of the FEE + signal lines | |
127 | static const Float_t fgkCoThick; // Thickness of the PE of the cooling device | |
128 | static const Float_t fgkWaThick; // Thickness of the cooling water | |
129 | ||
793ff80c | 130 | static const Float_t fgkRaZpos; // Position of the radiator |
793ff80c | 131 | static const Float_t fgkMyZpos; // Position of the mylar-layer |
132 | static const Float_t fgkDrZpos; // Position of the drift region | |
133 | static const Float_t fgkAmZpos; // Position of the amplification region | |
134 | static const Float_t fgkCuZpos; // Position of the pad plane | |
135 | static const Float_t fgkSuZpos; // Position of the HEXCEL+G10 support structure | |
136 | static const Float_t fgkFeZpos; // Position of the FEE + signal lines | |
137 | static const Float_t fgkCoZpos; // Position of the PE of the cooling device | |
138 | static const Float_t fgkWaZpos; // Position of the colling water | |
139 | ||
140 | Int_t fRowMax[kNplan][kNcham][kNsect]; // Number of pad-rows | |
141 | Int_t fColMax[kNplan]; // Number of pad-columns | |
a2b90f83 | 142 | Int_t fTimeMax; // Number of timebins in the drift region |
143 | Int_t fTimeBefore; // Number of timebins before the drift region | |
144 | Int_t fTimeAfter; // Number of timebins after the drift region | |
793ff80c | 145 | |
146 | Float_t fCwidth[kNplan]; // Width of the chambers | |
147 | ||
148 | Float_t fRow0[kNplan][kNcham][kNsect]; // Row-position of pad 0 | |
149 | Float_t fCol0[kNplan]; // Column-position of pad 0 | |
150 | Float_t fTime0[kNplan]; // Time-position of pad 0 | |
151 | ||
71d9fa7b | 152 | Float_t fRowPadSize[kNplan][kNcham][kNsect]; // Pad size in z-direction |
153 | Float_t fColPadSize[kNplan]; // Pad size in rphi-direction | |
793ff80c | 154 | Float_t fTimeBinSize; // Size of the time buckets |
155 | ||
156 | Float_t fRotA11[kNsect]; // Matrix elements for the rotation | |
157 | Float_t fRotA12[kNsect]; // Matrix elements for the rotation | |
158 | Float_t fRotA21[kNsect]; // Matrix elements for the rotation | |
159 | Float_t fRotA22[kNsect]; // Matrix elements for the rotation | |
160 | ||
161 | Float_t fRotB11[kNsect]; // Matrix elements for the backward rotation | |
162 | Float_t fRotB12[kNsect]; // Matrix elements for the backward rotation | |
163 | Float_t fRotB21[kNsect]; // Matrix elements for the backward rotation | |
164 | Float_t fRotB22[kNsect]; // Matrix elements for the backward rotation | |
165 | ||
71d9fa7b | 166 | ClassDef(AliTRDgeometry,3) // TRD geometry base class |
f7336fa3 | 167 | |
168 | }; | |
169 | ||
170 | #endif |