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1 | #ifndef ALITRDGEOMETRY_H | |
2 | #define ALITRDGEOMETRY_H | |
3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | /* $Id$ */ | |
7 | ||
8 | /////////////////////////////////////////////////////////////////////////////// | |
9 | // // | |
10 | // TRD geometry class // | |
11 | // // | |
12 | /////////////////////////////////////////////////////////////////////////////// | |
13 | ||
14 | #include "AliGeometry.h" | |
15 | ||
16 | class TGeoHMatrix; | |
17 | ||
18 | class AliTRDpadPlane; | |
19 | ||
20 | class AliTRDgeometry : public AliGeometry { | |
21 | ||
22 | public: | |
23 | ||
24 | enum { kNlayer = 6 | |
25 | , kNstack = 5 | |
26 | , kNsector = 18 | |
27 | , kNdet = 540 | |
28 | , kNdets = 30 }; | |
29 | ||
30 | AliTRDgeometry(); | |
31 | AliTRDgeometry(const AliTRDgeometry &g); | |
32 | virtual ~AliTRDgeometry(); | |
33 | AliTRDgeometry &operator=(const AliTRDgeometry &g); | |
34 | ||
35 | virtual void Init(); | |
36 | virtual void CreateGeometry(Int_t *idtmed); | |
37 | virtual Int_t IsVersion() { return 1; } | |
38 | virtual Bool_t Impact(const TParticle* ) const { return kTRUE; } | |
39 | virtual Bool_t IsHole(Int_t la, Int_t st, Int_t se) const; | |
40 | virtual Bool_t IsOnBoundary(Int_t det, Float_t y, Float_t z, Float_t eps = .5) const; | |
41 | virtual Bool_t RotateBack(Int_t det, const Double_t * const loc, Double_t *glb) const; | |
42 | ||
43 | Bool_t ChamberInGeometry(Int_t det); | |
44 | ||
45 | void AssembleChamber(Int_t ilayer, Int_t istack); | |
46 | void CreateFrame(Int_t *idtmed); | |
47 | void CreateServices(Int_t *idtmed); | |
48 | ||
49 | static Bool_t CreateClusterMatrixArray(); | |
50 | static TGeoHMatrix *GetClusterMatrix(Int_t det); | |
51 | ||
52 | void SetSMstatus(Int_t sm, Char_t status) { fSMstatus[sm] = status; } | |
53 | ||
54 | static Int_t GetDetectorSec(Int_t layer, Int_t stack); | |
55 | static Int_t GetDetector(Int_t layer, Int_t stack, Int_t sector); | |
56 | static Int_t GetLayer(Int_t det); | |
57 | static Int_t GetStack(Int_t det); | |
58 | Int_t GetStack(Double_t z, Int_t layer); | |
59 | static Int_t GetSector(Int_t det); | |
60 | ||
61 | static void CreatePadPlaneArray(); | |
62 | static AliTRDpadPlane *CreatePadPlane(Int_t layer, Int_t stack); | |
63 | static AliTRDpadPlane *GetPadPlane(Int_t layer, Int_t stack); | |
64 | static AliTRDpadPlane *GetPadPlane(Int_t det) { return GetPadPlane(GetLayer(det) | |
65 | ,GetStack(det)); } | |
66 | static Int_t GetRowMax(Int_t layer, Int_t stack, Int_t /*sector*/); | |
67 | static Int_t GetColMax(Int_t layer); | |
68 | static Double_t GetRow0(Int_t layer, Int_t stack, Int_t /*sector*/); | |
69 | static Double_t GetCol0(Int_t layer); | |
70 | ||
71 | static Float_t GetTime0(Int_t layer) { return fgkTime0[layer]; } | |
72 | ||
73 | static Double_t GetXtrdBeg() { return fgkXtrdBeg; } | |
74 | static Double_t GetXtrdEnd() { return fgkXtrdEnd; } | |
75 | ||
76 | Char_t GetSMstatus(Int_t sm) const { return fSMstatus[sm]; } | |
77 | static Float_t GetChamberWidth(Int_t layer) { return fgkCwidth[layer] ; } | |
78 | static Float_t GetChamberLength(Int_t layer, Int_t stack) { return fgkClength[layer][stack]; } | |
79 | ||
80 | virtual void GetGlobal(const AliRecPoint*, TVector3&, TMatrixF& ) const { }; | |
81 | virtual void GetGlobal(const AliRecPoint*, TVector3& ) const { }; | |
82 | ||
83 | static Double_t GetAlpha() { return 2.0 | |
84 | * 3.14159265358979324 | |
85 | / fgkNsector; } | |
86 | ||
87 | static Int_t Nsector() { return fgkNsector; } | |
88 | static Int_t Nlayer() { return fgkNlayer; } | |
89 | static Int_t Nstack() { return fgkNstack; } | |
90 | static Int_t Ndet() { return fgkNdet; } | |
91 | ||
92 | static Float_t Cheight() { return fgkCH; } | |
93 | static Float_t CheightSV() { return fgkCHsv; } | |
94 | static Float_t Cspace() { return fgkVspace; } | |
95 | static Float_t CraHght() { return fgkCraH; } | |
96 | static Float_t CdrHght() { return fgkCdrH; } | |
97 | static Float_t CamHght() { return fgkCamH; } | |
98 | static Float_t CroHght() { return fgkCroH; } | |
99 | static Float_t CsvHght() { return fgkCsvH; } | |
100 | static Float_t CroWid() { return fgkCroW; } | |
101 | ||
102 | static Float_t AnodePos() { return fgkAnodePos; } | |
103 | ||
104 | static Float_t MyThick() { return fgkRMyThick; } | |
105 | static Float_t DrThick() { return fgkDrThick; } | |
106 | static Float_t AmThick() { return fgkAmThick; } | |
107 | static Float_t DrZpos() { return fgkDrZpos; } | |
108 | static Float_t RpadW() { return fgkRpadW; } | |
109 | static Float_t CpadW() { return fgkCpadW; } | |
110 | ||
111 | static Float_t Cwidcha() { return (fgkSwidth2 - fgkSwidth1) | |
112 | / fgkSheight | |
113 | * (fgkCH + fgkVspace); } | |
114 | ||
115 | static Int_t MCMmax() { return fgkMCMmax; } | |
116 | static Int_t MCMrow() { return fgkMCMrow; } | |
117 | static Int_t ROBmaxC0() { return fgkROBmaxC0; } | |
118 | static Int_t ROBmaxC1() { return fgkROBmaxC1; } | |
119 | static Int_t ADCmax() { return fgkADCmax; } | |
120 | static Int_t TBmax() { return fgkTBmax; } | |
121 | static Int_t Padmax() { return fgkPadmax; } | |
122 | static Int_t Colmax() { return fgkColmax; } | |
123 | static Int_t RowmaxC0() { return fgkRowmaxC0; } | |
124 | static Int_t RowmaxC1() { return fgkRowmaxC1; } | |
125 | ||
126 | protected: | |
127 | ||
128 | static const Int_t fgkNsector; // Number of sectors in the full detector (18) | |
129 | static const Int_t fgkNlayer; // Number of layers of the TRD (6) | |
130 | static const Int_t fgkNstack; // Number of stacks in z-direction (5) | |
131 | static const Int_t fgkNdet; // Total number of detectors (18 * 6 * 5 = 540) | |
132 | ||
133 | static const Float_t fgkTlength; // Length of the TRD-volume in spaceframe (BTRD) | |
134 | ||
135 | static const Float_t fgkSheight; // Height of the supermodule | |
136 | static const Float_t fgkSwidth1; // Lower width of the supermodule | |
137 | static const Float_t fgkSwidth2; // Upper width of the supermodule | |
138 | static const Float_t fgkSlength; // Length of the supermodule | |
139 | ||
140 | static const Float_t fgkFlength; // Length of the service space in front of a supermodule | |
141 | ||
142 | static const Float_t fgkSMpltT; // Thickness of the super module side plates | |
143 | ||
144 | static const Float_t fgkCraH; // Height of the radiator part of the chambers | |
145 | static const Float_t fgkCdrH; // Height of the drift region of the chambers | |
146 | static const Float_t fgkCamH; // Height of the amplification region of the chambers | |
147 | static const Float_t fgkCroH; // Height of the readout of the chambers | |
148 | static const Float_t fgkCsvH; // Height of the services on top of the chambers | |
149 | static const Float_t fgkCH; // Total height of the chambers (w/o services) | |
150 | static const Float_t fgkCHsv; // Total height of the chambers (with services) | |
151 | ||
152 | static const Float_t fgkAnodePos; // Distance of anode wire plane relative to alignabl volume | |
153 | ||
154 | static const Float_t fgkVspace; // Vertical spacing of the chambers | |
155 | static const Float_t fgkHspace; // Horizontal spacing of the chambers | |
156 | static const Float_t fgkVrocsm; // Radial distance of the first ROC to the outer SM plates | |
157 | ||
158 | static const Float_t fgkCalT; // Thickness of the lower aluminum frame | |
159 | static const Float_t fgkCalW; // Width of additional aluminum ledge on lower frame | |
160 | static const Float_t fgkCalH; // Height of additional aluminum ledge on lower frame | |
161 | static const Float_t fgkCalWmod; // Width of additional aluminum ledge on lower frame | |
162 | static const Float_t fgkCalHmod; // Height of additional aluminum ledge on lower frame | |
163 | static const Float_t fgkCwsW; // Width of additional wacosit ledge on lower frame | |
164 | static const Float_t fgkCwsH; // Height of additional wacosit ledge on lower frame | |
165 | static const Float_t fgkCclsT; // Thickness of the lower Wacosit frame sides | |
166 | static const Float_t fgkCclfT; // Thickness of the lower Wacosit frame front | |
167 | static const Float_t fgkCglT; // Thichness of the glue around the radiator | |
168 | static const Float_t fgkCcuTa; // Thickness of the upper Wacosit frame around amp. region | |
169 | static const Float_t fgkCcuTb; // Thickness of the upper Wacosit frame around amp. region | |
170 | static const Float_t fgkCauT; // Thickness of the aluminum frame of the back panel | |
171 | static const Float_t fgkCroW; // Additional width of the readout chamber frames | |
172 | ||
173 | static const Float_t fgkCpadW; // Difference of outer chamber width and pad plane width | |
174 | static const Float_t fgkRpadW; // Difference of outer chamber width and pad plane width | |
175 | ||
176 | static const Float_t fgkXeThick; // Thickness of the gas volume | |
177 | static const Float_t fgkDrThick; // Thickness of the drift region | |
178 | static const Float_t fgkAmThick; // Thickness of the amplification region | |
179 | static const Float_t fgkWrThick; // Thickness of the wire planes | |
180 | ||
181 | static const Float_t fgkPPdThick; // Thickness of copper of the pad plane | |
182 | static const Float_t fgkPPpThick; // Thickness of PCB board of the pad plane | |
183 | static const Float_t fgkPGlThick; // Thickness of the glue layer | |
184 | static const Float_t fgkPCbThick; // Thickness of the carbon layers | |
185 | static const Float_t fgkPHcThick; // Thickness of the honeycomb support structure | |
186 | static const Float_t fgkPPcThick; // Thickness of the PCB readout boards | |
187 | static const Float_t fgkPRbThick; // Thickness of the PCB copper layers | |
188 | static const Float_t fgkPElThick; // Thickness of all other electronics components (caps, etc.) | |
189 | ||
190 | static const Float_t fgkRFbThick; // Thickness of the fiber layers in the radiator | |
191 | static const Float_t fgkRRhThick; // Thickness of the rohacell layers in the radiator | |
192 | static const Float_t fgkRGlThick; // Thickness of the glue layers in the radiator | |
193 | static const Float_t fgkRCbThick; // Thickness of the carbon layers in the radiator | |
194 | static const Float_t fgkRMyThick; // Thickness of the mylar layers in the radiator | |
195 | ||
196 | static const Float_t fgkDrZpos; // Position of the drift region | |
197 | static const Float_t fgkAmZpos; // Position of the amplification region | |
198 | static const Float_t fgkWrZposA; // Position of the wire planes | |
199 | static const Float_t fgkWrZposB; // Position of the wire planes | |
200 | static const Float_t fgkCalZpos; // Position of the additional aluminum ledges | |
201 | ||
202 | static const Int_t fgkMCMmax; // Maximum number of MCMs per ROB | |
203 | static const Int_t fgkMCMrow; // Maximum number of MCMs per ROB Row | |
204 | static const Int_t fgkROBmaxC0; // Maximum number of ROBs per C0 chamber | |
205 | static const Int_t fgkROBmaxC1; // Maximum number of ROBs per C1 chamber | |
206 | static const Int_t fgkADCmax; // Maximum number of ADC channels per MCM | |
207 | static const Int_t fgkTBmax; // Maximum number of Time bins | |
208 | static const Int_t fgkPadmax; // Maximum number of pads per MCM | |
209 | static const Int_t fgkColmax; // Maximum number of pads per padplane row | |
210 | static const Int_t fgkRowmaxC0; // Maximum number of Rows per C0 chamber | |
211 | static const Int_t fgkRowmaxC1; // Maximum number of Rows per C1 chamber | |
212 | ||
213 | static const Float_t fgkCwidth[kNlayer]; // Outer widths of the chambers | |
214 | static const Float_t fgkClength[kNlayer][kNstack]; // Outer lengths of the chambers | |
215 | ||
216 | Float_t fRotB11[kNsector]; // Matrix elements for the backward rotation | |
217 | Float_t fRotB12[kNsector]; // Matrix elements for the backward rotation | |
218 | Float_t fRotB21[kNsector]; // Matrix elements for the backward rotation | |
219 | Float_t fRotB22[kNsector]; // Matrix elements for the backward rotation | |
220 | ||
221 | static const Double_t fgkTime0Base; // Base value for calculation of Time-position of pad 0 | |
222 | static const Float_t fgkTime0[kNlayer]; // Time-position of pad 0 | |
223 | ||
224 | static const Double_t fgkXtrdBeg; // X-coordinate in tracking system of begin of TRD mother volume | |
225 | static const Double_t fgkXtrdEnd; // X-coordinate in tracking system of end of TRD mother volume | |
226 | ||
227 | static TObjArray *fgClusterMatrixArray; //! Transformation matrices loc. cluster to tracking cs | |
228 | static TObjArray *fgPadPlaneArray; //! Array of pad plane objects | |
229 | ||
230 | Char_t fSMstatus[kNsector]; // Super module status byte | |
231 | ||
232 | ClassDef(AliTRDgeometry,24) // TRD geometry class | |
233 | ||
234 | }; | |
235 | #endif |