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Summ of G10 components normalized to one
[u/mrichter/AliRoot.git] / TRD / AliTRDgeometry.h
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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
0a29d0f1 8///////////////////////////////////////////////////////////////////////////////
9// //
10// TRD geometry class //
11// //
12///////////////////////////////////////////////////////////////////////////////
13
94de3818 14#include "AliGeometry.h"
f7336fa3 15
bdbb05bb 16class AliRunLoader;
5443e65e 17class AliTRDparameter;
18
f7336fa3 19class AliTRDgeometry : public AliGeometry {
20
21 public:
22
dd56b762 23 enum { kNplan = 6, kNcham = 5, kNsect = 18, kNdet = 540 };
24
f7336fa3 25 AliTRDgeometry();
8230f242 26 virtual ~AliTRDgeometry();
f7336fa3 27
cbba4394 28 virtual void CreateGeometry(Int_t *idtmed);
793ff80c 29 virtual Int_t IsVersion() const = 0;
30 virtual void Init();
73ae7b59 31 virtual Bool_t Impact(const TParticle* ) const { return kTRUE; };
5443e65e 32 virtual Bool_t Local2Global(Int_t d, Float_t *local, Float_t *global, AliTRDparameter *par) const;
33 virtual Bool_t Local2Global(Int_t p, Int_t c, Int_t s, Float_t *local, Float_t *global, AliTRDparameter *par) const;
3d7b6a24 34
35 virtual Bool_t Global2Local(Int_t mode, Float_t *local, Float_t *global, Int_t* index, AliTRDparameter *par) const;
36 virtual Bool_t Global2Detector(Float_t global[3], Int_t index[3], AliTRDparameter *par);
37
793ff80c 38 virtual Bool_t Rotate(Int_t d, Float_t *pos, Float_t *rot) const;
39 virtual Bool_t RotateBack(Int_t d, Float_t *rot, Float_t *pos) const;
40
41 static Int_t Nsect() { return fgkNsect; };
42 static Int_t Nplan() { return fgkNplan; };
43 static Int_t Ncham() { return fgkNcham; };
44 static Int_t Ndet() { return fgkNdet; };
45
46 static Float_t Rmin() { return fgkRmin; };
47 static Float_t Rmax() { return fgkRmax; };
48 static Float_t Zmax1() { return fgkZmax1; };
49 static Float_t Zmax2() { return fgkZmax2; };
50
51 static Float_t Cwidcha() { return (fgkSwidth2 - fgkSwidth1)
0a770ac9 52 / fgkSheight * (fgkCH + fgkVspace); };
53 static Float_t Cheight() { return fgkCH; };
54 static Float_t Cspace() { return fgkVspace; };
55 static Float_t CraHght() { return fgkCraH; };
56 static Float_t CdrHght() { return fgkCdrH; };
57 static Float_t CamHght() { return fgkCamH; };
58 static Float_t CroHght() { return fgkCroH; };
793ff80c 59 static Float_t MyThick() { return fgkMyThick; };
60 static Float_t DrThick() { return fgkDrThick; };
a2b90f83 61 static Float_t AmThick() { return fgkAmThick; };
a2b90f83 62 static Float_t DrZpos() { return fgkDrZpos; };
17b26de4 63 static Float_t RpadW() { return fgkRpadW; };
64 static Float_t CpadW() { return fgkCpadW; };
793ff80c 65
66 virtual void SetPHOShole() = 0;
67 virtual void SetRICHhole() = 0;
68
8737e16f 69 virtual void SetOldGeometry();
70
793ff80c 71 virtual Bool_t GetPHOShole() const = 0;
72 virtual Bool_t GetRICHhole() const = 0;
f2649dd2 73 virtual Bool_t IsHole(Int_t /*iplan*/, Int_t /*icham*/, Int_t /*isect*/) const {return kFALSE;}
afc51ac2 74 virtual Int_t GetDetectorSec(Int_t p, Int_t c) const;
75 virtual Int_t GetDetector(Int_t p, Int_t c, Int_t s) const;
76 virtual Int_t GetPlane(Int_t d) const;
77 virtual Int_t GetChamber(Int_t d) const;
78 virtual Int_t GetSector(Int_t d) const;
79
80 Float_t GetChamberWidth(Int_t p) const { return fCwidth[p]; };
81 Float_t GetChamberLength(Int_t p, Int_t c) const { return fClength[p][c]; };
0a770ac9 82
73ae7b59 83 virtual void GetGlobal(const AliRecPoint* , TVector3& , TMatrix& ) const { };
84 virtual void GetGlobal(const AliRecPoint* , TVector3& ) const { };
5443e65e 85
a2b90f83 86 static Double_t GetAlpha() { return 2 * 3.14159265358979323846 / fgkNsect; };
f7336fa3 87
bdbb05bb 88 static AliTRDgeometry* GetGeometry(AliRunLoader* runLoader = NULL);
89
793ff80c 90 protected:
3d7b6a24 91
793ff80c 92 static const Int_t fgkNsect; // Number of sectors in the full detector (18)
93 static const Int_t fgkNplan; // Number of planes of the TRD (6)
94 static const Int_t fgkNcham; // Number of chambers in z-direction (5)
95 static const Int_t fgkNdet; // Total number of detectors (18 * 6 * 5 = 540)
96
97 static const Float_t fgkRmin; // Minimal radius of the TRD
98 static const Float_t fgkRmax; // Maximal radius of the TRD
99
100 static const Float_t fgkZmax1; // Half-length of the TRD at outer radius
101 static const Float_t fgkZmax2; // Half-length of the TRD at inner radius
102
103 static const Float_t fgkSheight; // Height of the TRD-volume in spaceframe (BTR1-3)
104 static const Float_t fgkSwidth1; // Lower width of the TRD-volume in spaceframe (BTR1-3)
105 static const Float_t fgkSwidth2; // Upper width of the TRD-volume in spaceframe (BTR1-3)
106 static const Float_t fgkSlenTR1; // Length of the TRD-volume in spaceframe (BTR1)
107 static const Float_t fgkSlenTR2; // Length of the TRD-volume in spaceframe (BTR2)
108 static const Float_t fgkSlenTR3; // Length of the TRD-volume in spaceframe (BTR3)
109
73ae7b59 110 static const Float_t fgkSMpltT; // Thickness of the super module side plates
111 static const Float_t fgkSMgapT; // Thickness of the gap between side plates and space frame
112
0a770ac9 113 static const Float_t fgkCraH; // Height of the radiator part of the chambers
114 static const Float_t fgkCdrH; // Height of the drift region of the chambers
115 static const Float_t fgkCamH; // Height of the amplification region of the chambers
116 static const Float_t fgkCroH; // Height of the readout of the chambers
117 static const Float_t fgkCH; // Total height of the chambers
118
119 static const Float_t fgkVspace; // Vertical spacing of the chambers
120 static const Float_t fgkHspace; // Horizontal spacing of the chambers
121
122 static const Float_t fgkCalT; // Thickness of the lower aluminum frame
123 static const Float_t fgkCclsT; // Thickness of the lower G10 frame sides
124 static const Float_t fgkCclfT; // Thickness of the lower G10 frame front
125 static const Float_t fgkCcuT; // Thickness of the upper G10 frame
126 static const Float_t fgkCauT; // Thickness of the upper aluminum frame
127
128 static const Float_t fgkCroW; // Additional width of the readout chamber frames
129
130 static const Float_t fgkCpadW; // Difference of outer chamber width and pad plane width
131 static const Float_t fgkRpadW; // Difference of outer chamber width and pad plane width
793ff80c 132
793ff80c 133 static const Float_t fgkRaThick; // Thickness of the radiator
793ff80c 134 static const Float_t fgkMyThick; // Thickness of the mylar-layer
135 static const Float_t fgkXeThick; // Thickness of the gas volume
136 static const Float_t fgkDrThick; // Thickness of the drift region
137 static const Float_t fgkAmThick; // Thickness of the amplification region
138 static const Float_t fgkCuThick; // Thickness of the pad plane
139 static const Float_t fgkSuThick; // Thickness of the HEXCEL+G10 support structure
140 static const Float_t fgkFeThick; // Thickness of the FEE + signal lines
141 static const Float_t fgkCoThick; // Thickness of the PE of the cooling device
142 static const Float_t fgkWaThick; // Thickness of the cooling water
143
793ff80c 144 static const Float_t fgkRaZpos; // Position of the radiator
793ff80c 145 static const Float_t fgkMyZpos; // Position of the mylar-layer
146 static const Float_t fgkDrZpos; // Position of the drift region
147 static const Float_t fgkAmZpos; // Position of the amplification region
148 static const Float_t fgkCuZpos; // Position of the pad plane
149 static const Float_t fgkSuZpos; // Position of the HEXCEL+G10 support structure
150 static const Float_t fgkFeZpos; // Position of the FEE + signal lines
151 static const Float_t fgkCoZpos; // Position of the PE of the cooling device
152 static const Float_t fgkWaZpos; // Position of the colling water
153
0a770ac9 154 Float_t fCwidth[kNplan]; // Outer widths of the chambers
155 Float_t fClength[kNplan][kNcham]; // Outer lengths of the chambers
156 Float_t fClengthPH[kNplan][kNcham]; // For sectors with holes for the PHOS
157 Float_t fClengthRH[kNplan][kNcham]; // For sectors with holes for the RICH
793ff80c 158
793ff80c 159 Float_t fRotA11[kNsect]; // Matrix elements for the rotation
160 Float_t fRotA12[kNsect]; // Matrix elements for the rotation
161 Float_t fRotA21[kNsect]; // Matrix elements for the rotation
162 Float_t fRotA22[kNsect]; // Matrix elements for the rotation
163
164 Float_t fRotB11[kNsect]; // Matrix elements for the backward rotation
165 Float_t fRotB12[kNsect]; // Matrix elements for the backward rotation
166 Float_t fRotB21[kNsect]; // Matrix elements for the backward rotation
167 Float_t fRotB22[kNsect]; // Matrix elements for the backward rotation
168
73ae7b59 169 ClassDef(AliTRDgeometry,6) // TRD geometry base class
f7336fa3 170
171};
172
173#endif