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Minor changes for acceptance studies
[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"
b4a9cd27 15#include "TObjArray.h"
bdbb05bb 16class AliRunLoader;
b4a9cd27 17class TGeoHMatrix;
5443e65e 18
f7336fa3 19class AliTRDgeometry : public AliGeometry {
20
21 public:
22
9c782af4 23 enum { kNplan = 6, kNcham = 5, kNsect = 18, kNdet = 540, kNdets = 30 };
dd56b762 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; };
dde59437 32 virtual Bool_t Local2Global(Int_t d, Double_t *local, Double_t *global) const;
a5cadd36 33 virtual Bool_t Local2Global(Int_t p, Int_t c, Int_t s
dde59437 34 , Double_t *local, Double_t *global) const;
3d7b6a24 35
a5cadd36 36 virtual Bool_t Global2Local(Int_t mode, Double_t *local, Double_t *global
7754cd1f 37 , Int_t* index) const;
3551db50 38 virtual Bool_t Global2Detector(Double_t global[3], Int_t index[3]);
3d7b6a24 39
a5cadd36 40 virtual Bool_t Rotate(Int_t d, Double_t *pos, Double_t *rot) const;
41 virtual Bool_t RotateBack(Int_t d, Double_t *rot, Double_t *pos) const;
793ff80c 42
b4a9cd27 43 Bool_t ReadGeoMatrices();
44 TGeoHMatrix * GetGeoMatrix(Int_t detector){ return (TGeoHMatrix*)fMatrixGeo->At(detector);}
45 TGeoHMatrix * GetMatrix(Int_t detector){ return (TGeoHMatrix*)fMatrixArray->At(detector);}
46 TGeoHMatrix * GetCorrectionMatrix(Int_t detector){ return (TGeoHMatrix*)fMatrixCorrectionArray->At(detector);}
47
793ff80c 48 static Int_t Nsect() { return fgkNsect; };
49 static Int_t Nplan() { return fgkNplan; };
50 static Int_t Ncham() { return fgkNcham; };
51 static Int_t Ndet() { return fgkNdet; };
52
53 static Float_t Rmin() { return fgkRmin; };
54 static Float_t Rmax() { return fgkRmax; };
55 static Float_t Zmax1() { return fgkZmax1; };
56 static Float_t Zmax2() { return fgkZmax2; };
57
58 static Float_t Cwidcha() { return (fgkSwidth2 - fgkSwidth1)
0a770ac9 59 / fgkSheight * (fgkCH + fgkVspace); };
60 static Float_t Cheight() { return fgkCH; };
61 static Float_t Cspace() { return fgkVspace; };
62 static Float_t CraHght() { return fgkCraH; };
63 static Float_t CdrHght() { return fgkCdrH; };
64 static Float_t CamHght() { return fgkCamH; };
65 static Float_t CroHght() { return fgkCroH; };
287c5d50 66 static Float_t CroWid() { return fgkCroW; };
793ff80c 67 static Float_t MyThick() { return fgkMyThick; };
68 static Float_t DrThick() { return fgkDrThick; };
a2b90f83 69 static Float_t AmThick() { return fgkAmThick; };
a2b90f83 70 static Float_t DrZpos() { return fgkDrZpos; };
17b26de4 71 static Float_t RpadW() { return fgkRpadW; };
72 static Float_t CpadW() { return fgkCpadW; };
793ff80c 73
74 virtual void SetPHOShole() = 0;
75 virtual void SetRICHhole() = 0;
76
793ff80c 77 virtual Bool_t GetPHOShole() const = 0;
78 virtual Bool_t GetRICHhole() const = 0;
f2649dd2 79 virtual Bool_t IsHole(Int_t /*iplan*/, Int_t /*icham*/, Int_t /*isect*/) const {return kFALSE;}
9c782af4 80 static Int_t GetDetectorSec(Int_t p, Int_t c);
81 static Int_t GetDetector(Int_t p, Int_t c, Int_t s);
afc51ac2 82 virtual Int_t GetPlane(Int_t d) const;
83 virtual Int_t GetChamber(Int_t d) const;
84 virtual Int_t GetSector(Int_t d) const;
85
a5cadd36 86 Float_t GetChamberWidth(Int_t p) const { return fCwidth[p]; };
afc51ac2 87 Float_t GetChamberLength(Int_t p, Int_t c) const { return fClength[p][c]; };
0a770ac9 88
e8d02863 89 virtual void GetGlobal(const AliRecPoint* , TVector3& , TMatrixF& ) const { };
73ae7b59 90 virtual void GetGlobal(const AliRecPoint* , TVector3& ) const { };
5443e65e 91
a2b90f83 92 static Double_t GetAlpha() { return 2 * 3.14159265358979323846 / fgkNsect; };
f7336fa3 93
bdbb05bb 94 static AliTRDgeometry* GetGeometry(AliRunLoader* runLoader = NULL);
3551db50 95
96 static Float_t GetTime0(Int_t p) { return fgkTime0[p]; };
bdbb05bb 97
793ff80c 98 protected:
3d7b6a24 99
793ff80c 100 static const Int_t fgkNsect; // Number of sectors in the full detector (18)
101 static const Int_t fgkNplan; // Number of planes of the TRD (6)
102 static const Int_t fgkNcham; // Number of chambers in z-direction (5)
103 static const Int_t fgkNdet; // Total number of detectors (18 * 6 * 5 = 540)
104
105 static const Float_t fgkRmin; // Minimal radius of the TRD
106 static const Float_t fgkRmax; // Maximal radius of the TRD
107
108 static const Float_t fgkZmax1; // Half-length of the TRD at outer radius
109 static const Float_t fgkZmax2; // Half-length of the TRD at inner radius
110
111 static const Float_t fgkSheight; // Height of the TRD-volume in spaceframe (BTR1-3)
112 static const Float_t fgkSwidth1; // Lower width of the TRD-volume in spaceframe (BTR1-3)
113 static const Float_t fgkSwidth2; // Upper width of the TRD-volume in spaceframe (BTR1-3)
114 static const Float_t fgkSlenTR1; // Length of the TRD-volume in spaceframe (BTR1)
115 static const Float_t fgkSlenTR2; // Length of the TRD-volume in spaceframe (BTR2)
116 static const Float_t fgkSlenTR3; // Length of the TRD-volume in spaceframe (BTR3)
117
73ae7b59 118 static const Float_t fgkSMpltT; // Thickness of the super module side plates
119 static const Float_t fgkSMgapT; // Thickness of the gap between side plates and space frame
120
0a770ac9 121 static const Float_t fgkCraH; // Height of the radiator part of the chambers
122 static const Float_t fgkCdrH; // Height of the drift region of the chambers
123 static const Float_t fgkCamH; // Height of the amplification region of the chambers
124 static const Float_t fgkCroH; // Height of the readout of the chambers
125 static const Float_t fgkCH; // Total height of the chambers
126
127 static const Float_t fgkVspace; // Vertical spacing of the chambers
128 static const Float_t fgkHspace; // Horizontal spacing of the chambers
129
130 static const Float_t fgkCalT; // Thickness of the lower aluminum frame
131 static const Float_t fgkCclsT; // Thickness of the lower G10 frame sides
132 static const Float_t fgkCclfT; // Thickness of the lower G10 frame front
133 static const Float_t fgkCcuT; // Thickness of the upper G10 frame
134 static const Float_t fgkCauT; // Thickness of the upper aluminum frame
135
136 static const Float_t fgkCroW; // Additional width of the readout chamber frames
137
138 static const Float_t fgkCpadW; // Difference of outer chamber width and pad plane width
139 static const Float_t fgkRpadW; // Difference of outer chamber width and pad plane width
793ff80c 140
793ff80c 141 static const Float_t fgkRaThick; // Thickness of the radiator
793ff80c 142 static const Float_t fgkMyThick; // Thickness of the mylar-layer
143 static const Float_t fgkXeThick; // Thickness of the gas volume
144 static const Float_t fgkDrThick; // Thickness of the drift region
145 static const Float_t fgkAmThick; // Thickness of the amplification region
146 static const Float_t fgkCuThick; // Thickness of the pad plane
147 static const Float_t fgkSuThick; // Thickness of the HEXCEL+G10 support structure
148 static const Float_t fgkFeThick; // Thickness of the FEE + signal lines
149 static const Float_t fgkCoThick; // Thickness of the PE of the cooling device
150 static const Float_t fgkWaThick; // Thickness of the cooling water
151
793ff80c 152 static const Float_t fgkRaZpos; // Position of the radiator
793ff80c 153 static const Float_t fgkMyZpos; // Position of the mylar-layer
154 static const Float_t fgkDrZpos; // Position of the drift region
155 static const Float_t fgkAmZpos; // Position of the amplification region
156 static const Float_t fgkCuZpos; // Position of the pad plane
157 static const Float_t fgkSuZpos; // Position of the HEXCEL+G10 support structure
158 static const Float_t fgkFeZpos; // Position of the FEE + signal lines
159 static const Float_t fgkCoZpos; // Position of the PE of the cooling device
160 static const Float_t fgkWaZpos; // Position of the colling water
161
0a770ac9 162 Float_t fCwidth[kNplan]; // Outer widths of the chambers
163 Float_t fClength[kNplan][kNcham]; // Outer lengths of the chambers
164 Float_t fClengthPH[kNplan][kNcham]; // For sectors with holes for the PHOS
165 Float_t fClengthRH[kNplan][kNcham]; // For sectors with holes for the RICH
793ff80c 166
793ff80c 167 Float_t fRotA11[kNsect]; // Matrix elements for the rotation
168 Float_t fRotA12[kNsect]; // Matrix elements for the rotation
169 Float_t fRotA21[kNsect]; // Matrix elements for the rotation
170 Float_t fRotA22[kNsect]; // Matrix elements for the rotation
171
172 Float_t fRotB11[kNsect]; // Matrix elements for the backward rotation
173 Float_t fRotB12[kNsect]; // Matrix elements for the backward rotation
174 Float_t fRotB21[kNsect]; // Matrix elements for the backward rotation
175 Float_t fRotB22[kNsect]; // Matrix elements for the backward rotation
176
9c782af4 177 static const Double_t fgkTime0Base; // Base value for calculation of Time-position of pad 0
178 static const Float_t fgkTime0[kNplan]; // Time-position of pad 0
3551db50 179
9c782af4 180 Float_t fChamberUAorig[3*kNdets][3]; // Volumes origin in
181 Float_t fChamberUDorig[3*kNdets][3]; // the chamber
182 Float_t fChamberUForig[3*kNdets][3]; // [3] = x, y, z
183 Float_t fChamberUUorig[3*kNdets][3];
184
185 Float_t fChamberUAboxd[3*kNdets][3]; // Volumes box
186 Float_t fChamberUDboxd[3*kNdets][3]; // dimensions (half)
187 Float_t fChamberUFboxd[3*kNdets][3]; // [3] = x, y, z
188 Float_t fChamberUUboxd[3*kNdets][3];
b4a9cd27 189 TObjArray * fMatrixArray; //! array of matrix - Transformation Global to Local
190 TObjArray * fMatrixCorrectionArray; //! array of Matrix - Transformation Cluster to Tracking systerm
191 TObjArray * fMatrixGeo; //! geo matrices
9c782af4 192 ClassDef(AliTRDgeometry,7) // TRD geometry base class
f7336fa3 193
194};
195
196#endif