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f7336fa3 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /* | |
17 | $Log$ | |
16bf9884 | 18 | Revision 1.13 2001/08/02 08:30:45 cblume |
19 | Fix positions of cooling material | |
20 | ||
52052b58 | 21 | Revision 1.12 2001/05/21 16:45:47 hristov |
22 | Last minute changes (C.Blume) | |
23 | ||
db30bf0f | 24 | Revision 1.11 2001/05/11 07:56:12 hristov |
25 | Consistent declarations needed on Alpha | |
26 | ||
ff821236 | 27 | Revision 1.10 2001/05/07 08:08:05 cblume |
28 | Update of TRD code | |
29 | ||
a2b90f83 | 30 | Revision 1.9 2001/03/27 12:48:33 cblume |
31 | Correct for volume overlaps | |
32 | ||
b42a9f88 | 33 | Revision 1.8 2001/03/13 09:30:35 cblume |
34 | Update of digitization. Moved digit branch definition to AliTRD | |
35 | ||
6244debe | 36 | Revision 1.7 2001/02/14 18:22:26 cblume |
37 | Change in the geometry of the padplane | |
38 | ||
71d9fa7b | 39 | Revision 1.6 2000/11/01 14:53:20 cblume |
40 | Merge with TRD-develop | |
41 | ||
793ff80c | 42 | Revision 1.1.4.7 2000/10/16 01:16:53 cblume |
43 | Changed timebin 0 to be the one closest to the readout | |
44 | ||
45 | Revision 1.1.4.6 2000/10/15 23:35:57 cblume | |
46 | Include geometry constants as static member | |
47 | ||
48 | Revision 1.1.4.5 2000/10/06 16:49:46 cblume | |
49 | Made Getters const | |
50 | ||
51 | Revision 1.1.4.4 2000/10/04 16:34:58 cblume | |
52 | Replace include files by forward declarations | |
53 | ||
54 | Revision 1.1.4.3 2000/09/22 14:43:40 cblume | |
55 | Allow the pad/timebin-dimensions to be changed after initialization | |
56 | ||
57 | Revision 1.1.4.2 2000/09/18 13:37:01 cblume | |
58 | Minor coding corrections | |
59 | ||
60 | Revision 1.5 2000/10/02 21:28:19 fca | |
61 | Removal of useless dependecies via forward declarations | |
62 | ||
63 | Revision 1.4 2000/06/08 18:32:58 cblume | |
64 | Make code compliant to coding conventions | |
65 | ||
66 | Revision 1.3 2000/06/07 16:25:37 cblume | |
67 | Try to remove compiler warnings on Sun and HP | |
68 | ||
69 | Revision 1.2 2000/05/08 16:17:27 cblume | |
70 | Merge TRD-develop | |
71 | ||
72 | Revision 1.1.4.1 2000/05/08 14:45:55 cblume | |
73 | Bug fix in RotateBack(). Geometry update | |
74 | ||
94de3818 | 75 | Revision 1.4 2000/06/08 18:32:58 cblume |
76 | Make code compliant to coding conventions | |
77 | ||
8230f242 | 78 | Revision 1.3 2000/06/07 16:25:37 cblume |
79 | Try to remove compiler warnings on Sun and HP | |
80 | ||
9d0b222b | 81 | Revision 1.2 2000/05/08 16:17:27 cblume |
82 | Merge TRD-develop | |
83 | ||
6f1e466d | 84 | Revision 1.1.4.1 2000/05/08 14:45:55 cblume |
85 | Bug fix in RotateBack(). Geometry update | |
86 | ||
87 | Revision 1.1 2000/02/28 19:00:44 cblume | |
88 | Add new TRD classes | |
89 | ||
f7336fa3 | 90 | */ |
91 | ||
92 | /////////////////////////////////////////////////////////////////////////////// | |
93 | // // | |
94 | // TRD geometry class // | |
95 | // // | |
96 | /////////////////////////////////////////////////////////////////////////////// | |
97 | ||
793ff80c | 98 | #include "AliMC.h" |
99 | ||
f7336fa3 | 100 | #include "AliTRDgeometry.h" |
101 | #include "AliTRDrecPoint.h" | |
94de3818 | 102 | #include "AliMC.h" |
f7336fa3 | 103 | |
104 | ClassImp(AliTRDgeometry) | |
105 | ||
793ff80c | 106 | //_____________________________________________________________________________ |
107 | ||
108 | // | |
109 | // The geometry constants | |
110 | // | |
111 | const Int_t AliTRDgeometry::fgkNsect = kNsect; | |
112 | const Int_t AliTRDgeometry::fgkNplan = kNplan; | |
113 | const Int_t AliTRDgeometry::fgkNcham = kNcham; | |
114 | const Int_t AliTRDgeometry::fgkNdet = kNdet; | |
115 | ||
116 | // | |
117 | // Dimensions of the detector | |
118 | // | |
119 | const Float_t AliTRDgeometry::fgkRmin = 294.0; | |
120 | const Float_t AliTRDgeometry::fgkRmax = 368.0; | |
121 | ||
122 | const Float_t AliTRDgeometry::fgkZmax1 = 378.35; | |
123 | const Float_t AliTRDgeometry::fgkZmax2 = 302.0; | |
124 | ||
125 | const Float_t AliTRDgeometry::fgkSheight = 74.0; | |
126 | const Float_t AliTRDgeometry::fgkSwidth1 = 99.613; | |
127 | const Float_t AliTRDgeometry::fgkSwidth2 = 125.707; | |
128 | const Float_t AliTRDgeometry::fgkSlenTR1 = 751.0; | |
129 | const Float_t AliTRDgeometry::fgkSlenTR2 = 313.5; | |
130 | const Float_t AliTRDgeometry::fgkSlenTR3 = 159.5; | |
131 | ||
132 | const Float_t AliTRDgeometry::fgkCheight = 11.0; | |
133 | const Float_t AliTRDgeometry::fgkCspace = 1.6; | |
134 | const Float_t AliTRDgeometry::fgkCathick = 1.0; | |
135 | const Float_t AliTRDgeometry::fgkCcthick = 1.0; | |
136 | const Float_t AliTRDgeometry::fgkCaframe = 2.675; | |
137 | const Float_t AliTRDgeometry::fgkCcframe = AliTRDgeometry::fgkCheight | |
138 | - AliTRDgeometry::fgkCaframe; | |
139 | ||
140 | // | |
141 | // Thickness of the the material layers | |
142 | // | |
db30bf0f | 143 | const Float_t AliTRDgeometry::fgkRaThick = 0.3646; |
793ff80c | 144 | const Float_t AliTRDgeometry::fgkMyThick = 0.005; |
145 | const Float_t AliTRDgeometry::fgkXeThick = 3.5; | |
146 | const Float_t AliTRDgeometry::fgkDrThick = 3.0; | |
147 | const Float_t AliTRDgeometry::fgkAmThick = AliTRDgeometry::fgkXeThick | |
148 | - AliTRDgeometry::fgkDrThick; | |
149 | const Float_t AliTRDgeometry::fgkCuThick = 0.001; | |
150 | const Float_t AliTRDgeometry::fgkSuThick = 0.06; | |
151 | const Float_t AliTRDgeometry::fgkFeThick = 0.0044; | |
152 | const Float_t AliTRDgeometry::fgkCoThick = 0.02; | |
db30bf0f | 153 | //const Float_t AliTRDgeometry::fgkWaThick = 0.01; |
154 | const Float_t AliTRDgeometry::fgkWaThick = 0.02; | |
793ff80c | 155 | |
156 | // | |
157 | // Position of the material layers | |
158 | // | |
b42a9f88 | 159 | const Float_t AliTRDgeometry::fgkRaZpos = -1.74; |
b42a9f88 | 160 | const Float_t AliTRDgeometry::fgkMyZpos = 0.6550; |
161 | const Float_t AliTRDgeometry::fgkDrZpos = 2.1600; | |
162 | const Float_t AliTRDgeometry::fgkAmZpos = 3.9100; | |
793ff80c | 163 | const Float_t AliTRDgeometry::fgkCuZpos = -1.3370; |
164 | const Float_t AliTRDgeometry::fgkSuZpos = 0.0000; | |
52052b58 | 165 | //const Float_t AliTRDgeometry::fgkFeZpos = 1.3053; |
166 | //const Float_t AliTRDgeometry::fgkCoZpos = 1.3175; | |
167 | //const Float_t AliTRDgeometry::fgkWaZpos = 1.3325; | |
168 | const Float_t AliTRDgeometry::fgkFeZpos = 1.2853; | |
169 | const Float_t AliTRDgeometry::fgkCoZpos = 1.2975; | |
170 | const Float_t AliTRDgeometry::fgkWaZpos = 1.3175; | |
793ff80c | 171 | |
f7336fa3 | 172 | //_____________________________________________________________________________ |
173 | AliTRDgeometry::AliTRDgeometry():AliGeometry() | |
174 | { | |
175 | // | |
176 | // AliTRDgeometry default constructor | |
177 | // | |
178 | ||
179 | Init(); | |
180 | ||
181 | } | |
182 | ||
183 | //_____________________________________________________________________________ | |
184 | AliTRDgeometry::~AliTRDgeometry() | |
185 | { | |
8230f242 | 186 | // |
187 | // AliTRDgeometry destructor | |
188 | // | |
f7336fa3 | 189 | |
190 | } | |
191 | ||
192 | //_____________________________________________________________________________ | |
193 | void AliTRDgeometry::Init() | |
194 | { | |
195 | // | |
196 | // Initializes the geometry parameter | |
197 | // | |
198 | ||
793ff80c | 199 | Int_t isect; |
f7336fa3 | 200 | |
201 | // The width of the chambers | |
793ff80c | 202 | fCwidth[0] = 99.6; |
203 | fCwidth[1] = 104.1; | |
204 | fCwidth[2] = 108.5; | |
205 | fCwidth[3] = 112.9; | |
206 | fCwidth[4] = 117.4; | |
207 | fCwidth[5] = 121.8; | |
f7336fa3 | 208 | |
209 | // The maximum number of pads | |
210 | // and the position of pad 0,0,0 | |
211 | // | |
212 | // chambers seen from the top: | |
213 | // +----------------------------+ | |
214 | // | | | |
793ff80c | 215 | // | | ^ |
216 | // | | rphi| | |
217 | // | | | | |
218 | // |0 | | | |
219 | // +----------------------------+ +------> | |
f7336fa3 | 220 | // z |
793ff80c | 221 | // chambers seen from the side: ^ |
222 | // +----------------------------+ drift| | |
223 | // |0 | | | |
224 | // | | | | |
225 | // +----------------------------+ +------> | |
f7336fa3 | 226 | // z |
227 | // | |
a2b90f83 | 228 | // IMPORTANT: time bin 0 is now the first one in the drift region |
229 | // closest to the readout !!! | |
793ff80c | 230 | // |
f7336fa3 | 231 | |
232 | // The pad column (rphi-direction) | |
71d9fa7b | 233 | SetNColPad(96); |
793ff80c | 234 | |
a2b90f83 | 235 | // The number of time bins. Default is 100 ns timbin size |
6244debe | 236 | SetNTimeBin(15); |
793ff80c | 237 | |
a2b90f83 | 238 | // Additional time bins before and after the drift region. |
239 | // Default is to only sample the drift region | |
240 | SetExpandTimeBin(0,0); | |
241 | ||
793ff80c | 242 | // The rotation matrix elements |
243 | Float_t phi = 0; | |
244 | for (isect = 0; isect < fgkNsect; isect++) { | |
245 | phi = -2.0 * kPI / (Float_t) fgkNsect * ((Float_t) isect + 0.5); | |
246 | fRotA11[isect] = TMath::Cos(phi); | |
247 | fRotA12[isect] = TMath::Sin(phi); | |
248 | fRotA21[isect] = TMath::Sin(phi); | |
249 | fRotA22[isect] = TMath::Cos(phi); | |
250 | phi = -1.0 * phi; | |
251 | fRotB11[isect] = TMath::Cos(phi); | |
252 | fRotB12[isect] = TMath::Sin(phi); | |
253 | fRotB21[isect] = TMath::Sin(phi); | |
254 | fRotB22[isect] = TMath::Cos(phi); | |
255 | } | |
256 | ||
257 | } | |
258 | ||
259 | //_____________________________________________________________________________ | |
a2b90f83 | 260 | void AliTRDgeometry::SetNColPad(const Int_t npad) |
793ff80c | 261 | { |
262 | // | |
71d9fa7b | 263 | // Redefines the number of pads in column direction |
793ff80c | 264 | // |
265 | ||
793ff80c | 266 | for (Int_t iplan = 0; iplan < fgkNplan; iplan++) { |
71d9fa7b | 267 | fColMax[iplan] = npad; |
268 | fColPadSize[iplan] = (fCwidth[iplan] - 2. * fgkCcthick) / fColMax[iplan]; | |
269 | fCol0[iplan] = -fCwidth[iplan]/2. + fgkCcthick; | |
f7336fa3 | 270 | } |
271 | ||
793ff80c | 272 | } |
273 | ||
274 | //_____________________________________________________________________________ | |
a2b90f83 | 275 | void AliTRDgeometry::SetNTimeBin(const Int_t nbin) |
793ff80c | 276 | { |
277 | // | |
a2b90f83 | 278 | // Redefines the number of time bins in the drift region. |
279 | // The time bin width is defined by the length of the | |
280 | // drift region divided by <nbin>. | |
793ff80c | 281 | // |
282 | ||
71d9fa7b | 283 | fTimeMax = nbin; |
284 | fTimeBinSize = fgkDrThick / ((Float_t) fTimeMax); | |
793ff80c | 285 | for (Int_t iplan = 0; iplan < fgkNplan; iplan++) { |
286 | fTime0[iplan] = fgkRmin + fgkCcframe/2. + fgkDrZpos + 0.5 * fgkDrThick | |
287 | + iplan * (fgkCheight + fgkCspace); | |
288 | } | |
f7336fa3 | 289 | |
290 | } | |
291 | ||
292 | //_____________________________________________________________________________ | |
293 | void AliTRDgeometry::CreateGeometry(Int_t *idtmed) | |
294 | { | |
295 | // | |
296 | // Create the TRD geometry | |
297 | // | |
298 | // Author: Christoph Blume (C.Blume@gsi.de) 20/07/99 | |
299 | // | |
300 | // The volumes: | |
301 | // TRD1-3 (Air) --- The TRD mother volumes for one sector. | |
302 | // To be placed into the spaceframe. | |
303 | // | |
304 | // UAFI(/M/O) (Al) --- The aluminum frame of the inner(/middle/outer) chambers (readout) | |
305 | // UCFI(/M/O) (C) --- The carbon frame of the inner(/middle/outer) chambers | |
306 | // (driftchamber + radiator) | |
307 | // UAII(/M/O) (Air) --- The inner part of the readout of the inner(/middle/outer) chambers | |
308 | // UFII(/M/O) (Air) --- The inner part of the chamner and radiator of the | |
309 | // inner(/middle/outer) chambers | |
310 | // | |
311 | // The material layers in one chamber: | |
db30bf0f | 312 | // UL03 (Rohacell) --- The radiator |
313 | // UL04 (Mylar) --- Entrance window to the driftvolume and HV-cathode | |
314 | // UL05 (Xe) --- The driftvolume | |
315 | // UL06 (Xe) --- The amplification region | |
f7336fa3 | 316 | // |
db30bf0f | 317 | // UL07 (Cu) --- The pad plane |
318 | // UL08 (G10) --- The Nomex honeycomb support structure | |
319 | // UL09 (Cu) --- FEE and signal lines | |
320 | // UL10 (Al) --- The cooling devices | |
321 | // UL11 (Water) --- The cooling water | |
f7336fa3 | 322 | |
8230f242 | 323 | const Int_t kNparCha = 3; |
f7336fa3 | 324 | |
8230f242 | 325 | Float_t parDum[3]; |
326 | Float_t parCha[kNparCha]; | |
f7336fa3 | 327 | |
328 | Float_t xpos, ypos, zpos; | |
329 | ||
330 | // The aluminum frames - readout + electronics (Al) | |
331 | // The inner chambers | |
8230f242 | 332 | gMC->Gsvolu("UAFI","BOX ",idtmed[1301-1],parDum,0); |
f7336fa3 | 333 | // The middle chambers |
8230f242 | 334 | gMC->Gsvolu("UAFM","BOX ",idtmed[1301-1],parDum,0); |
f7336fa3 | 335 | // The outer chambers |
8230f242 | 336 | gMC->Gsvolu("UAFO","BOX ",idtmed[1301-1],parDum,0); |
f7336fa3 | 337 | |
338 | // The inner part of the aluminum frames (Air) | |
339 | // The inner chambers | |
8230f242 | 340 | gMC->Gsvolu("UAII","BOX ",idtmed[1302-1],parDum,0); |
f7336fa3 | 341 | // The middle chambers |
8230f242 | 342 | gMC->Gsvolu("UAIM","BOX ",idtmed[1302-1],parDum,0); |
f7336fa3 | 343 | // The outer chambers |
8230f242 | 344 | gMC->Gsvolu("UAIO","BOX ",idtmed[1302-1],parDum,0); |
f7336fa3 | 345 | |
346 | // The carbon frames - radiator + driftchamber (C) | |
347 | // The inner chambers | |
8230f242 | 348 | gMC->Gsvolu("UCFI","BOX ",idtmed[1307-1],parDum,0); |
f7336fa3 | 349 | // The middle chambers |
8230f242 | 350 | gMC->Gsvolu("UCFM","BOX ",idtmed[1307-1],parDum,0); |
f7336fa3 | 351 | // The outer chambers |
8230f242 | 352 | gMC->Gsvolu("UCFO","BOX ",idtmed[1307-1],parDum,0); |
f7336fa3 | 353 | |
354 | // The inner part of the carbon frames (Air) | |
355 | // The inner chambers | |
8230f242 | 356 | gMC->Gsvolu("UCII","BOX ",idtmed[1302-1],parDum,0); |
f7336fa3 | 357 | // The middle chambers |
8230f242 | 358 | gMC->Gsvolu("UCIM","BOX ",idtmed[1302-1],parDum,0); |
f7336fa3 | 359 | // The outer chambers |
8230f242 | 360 | gMC->Gsvolu("UCIO","BOX ",idtmed[1302-1],parDum,0); |
f7336fa3 | 361 | |
362 | // The material layers inside the chambers | |
8230f242 | 363 | parCha[0] = -1.; |
364 | parCha[1] = -1.; | |
db30bf0f | 365 | // Rohacell layer (radiator) |
793ff80c | 366 | parCha[2] = fgkRaThick/2; |
db30bf0f | 367 | gMC->Gsvolu("UL03","BOX ",idtmed[1315-1],parCha,kNparCha); |
f7336fa3 | 368 | // Mylar layer (entrance window + HV cathode) |
793ff80c | 369 | parCha[2] = fgkMyThick/2; |
8230f242 | 370 | gMC->Gsvolu("UL04","BOX ",idtmed[1308-1],parCha,kNparCha); |
db30bf0f | 371 | // Xe/Isobutane layer (drift volume) |
793ff80c | 372 | parCha[2] = fgkDrThick/2.; |
8230f242 | 373 | gMC->Gsvolu("UL05","BOX ",idtmed[1309-1],parCha,kNparCha); |
db30bf0f | 374 | // Xe/Isobutane layer (amplification volume) |
793ff80c | 375 | parCha[2] = fgkAmThick/2.; |
8230f242 | 376 | gMC->Gsvolu("UL06","BOX ",idtmed[1309-1],parCha,kNparCha); |
f7336fa3 | 377 | |
378 | // Cu layer (pad plane) | |
793ff80c | 379 | parCha[2] = fgkCuThick/2; |
8230f242 | 380 | gMC->Gsvolu("UL07","BOX ",idtmed[1305-1],parCha,kNparCha); |
f7336fa3 | 381 | // G10 layer (support structure) |
793ff80c | 382 | parCha[2] = fgkSuThick/2; |
8230f242 | 383 | gMC->Gsvolu("UL08","BOX ",idtmed[1313-1],parCha,kNparCha); |
f7336fa3 | 384 | // Cu layer (FEE + signal lines) |
793ff80c | 385 | parCha[2] = fgkFeThick/2; |
8230f242 | 386 | gMC->Gsvolu("UL09","BOX ",idtmed[1305-1],parCha,kNparCha); |
db30bf0f | 387 | // Al layer (cooling devices) |
793ff80c | 388 | parCha[2] = fgkCoThick/2; |
db30bf0f | 389 | gMC->Gsvolu("UL10","BOX ",idtmed[1301-1],parCha,kNparCha); |
f7336fa3 | 390 | // Water layer (cooling) |
793ff80c | 391 | parCha[2] = fgkWaThick/2; |
8230f242 | 392 | gMC->Gsvolu("UL11","BOX ",idtmed[1314-1],parCha,kNparCha); |
f7336fa3 | 393 | |
394 | // Position the layers in the chambers | |
395 | xpos = 0; | |
396 | ypos = 0; | |
397 | ||
db30bf0f | 398 | // Rohacell layer (radiator) |
793ff80c | 399 | zpos = fgkRaZpos; |
db30bf0f | 400 | gMC->Gspos("UL03",1,"UCII",xpos,ypos,zpos,0,"ONLY"); |
401 | gMC->Gspos("UL03",2,"UCIM",xpos,ypos,zpos,0,"ONLY"); | |
402 | gMC->Gspos("UL03",3,"UCIO",xpos,ypos,zpos,0,"ONLY"); | |
f7336fa3 | 403 | // Mylar layer (entrance window + HV cathode) |
793ff80c | 404 | zpos = fgkMyZpos; |
f7336fa3 | 405 | gMC->Gspos("UL04",1,"UCII",xpos,ypos,zpos,0,"ONLY"); |
406 | gMC->Gspos("UL04",2,"UCIM",xpos,ypos,zpos,0,"ONLY"); | |
407 | gMC->Gspos("UL04",3,"UCIO",xpos,ypos,zpos,0,"ONLY"); | |
408 | // Xe/Isobutane layer (drift volume) | |
793ff80c | 409 | zpos = fgkDrZpos; |
f7336fa3 | 410 | gMC->Gspos("UL05",1,"UCII",xpos,ypos,zpos,0,"ONLY"); |
411 | gMC->Gspos("UL05",2,"UCIM",xpos,ypos,zpos,0,"ONLY"); | |
412 | gMC->Gspos("UL05",3,"UCIO",xpos,ypos,zpos,0,"ONLY"); | |
413 | // Xe/Isobutane layer (amplification volume) | |
793ff80c | 414 | zpos = fgkAmZpos; |
f7336fa3 | 415 | gMC->Gspos("UL06",1,"UCII",xpos,ypos,zpos,0,"ONLY"); |
416 | gMC->Gspos("UL06",2,"UCIM",xpos,ypos,zpos,0,"ONLY"); | |
417 | gMC->Gspos("UL06",3,"UCIO",xpos,ypos,zpos,0,"ONLY"); | |
f7336fa3 | 418 | // Cu layer (pad plane) |
793ff80c | 419 | zpos = fgkCuZpos; |
f7336fa3 | 420 | gMC->Gspos("UL07",1,"UAII",xpos,ypos,zpos,0,"ONLY"); |
421 | gMC->Gspos("UL07",2,"UAIM",xpos,ypos,zpos,0,"ONLY"); | |
422 | gMC->Gspos("UL07",3,"UAIO",xpos,ypos,zpos,0,"ONLY"); | |
423 | // G10 layer (support structure) | |
793ff80c | 424 | zpos = fgkSuZpos; |
f7336fa3 | 425 | gMC->Gspos("UL08",1,"UAII",xpos,ypos,zpos,0,"ONLY"); |
426 | gMC->Gspos("UL08",2,"UAIM",xpos,ypos,zpos,0,"ONLY"); | |
427 | gMC->Gspos("UL08",3,"UAIO",xpos,ypos,zpos,0,"ONLY"); | |
428 | // Cu layer (FEE + signal lines) | |
793ff80c | 429 | zpos = fgkFeZpos; |
f7336fa3 | 430 | gMC->Gspos("UL09",1,"UAII",xpos,ypos,zpos,0,"ONLY"); |
431 | gMC->Gspos("UL09",2,"UAIM",xpos,ypos,zpos,0,"ONLY"); | |
432 | gMC->Gspos("UL09",3,"UAIO",xpos,ypos,zpos,0,"ONLY"); | |
db30bf0f | 433 | // Al layer (cooling devices) |
793ff80c | 434 | zpos = fgkCoZpos; |
f7336fa3 | 435 | gMC->Gspos("UL10",1,"UAII",xpos,ypos,zpos,0,"ONLY"); |
436 | gMC->Gspos("UL10",2,"UAIM",xpos,ypos,zpos,0,"ONLY"); | |
437 | gMC->Gspos("UL10",3,"UAIO",xpos,ypos,zpos,0,"ONLY"); | |
438 | // Water layer (cooling) | |
793ff80c | 439 | zpos = fgkWaZpos; |
f7336fa3 | 440 | gMC->Gspos("UL11",1,"UAII",xpos,ypos,zpos,0,"ONLY"); |
441 | gMC->Gspos("UL11",1,"UAIM",xpos,ypos,zpos,0,"ONLY"); | |
442 | gMC->Gspos("UL11",1,"UAIO",xpos,ypos,zpos,0,"ONLY"); | |
443 | ||
444 | } | |
445 | ||
446 | //_____________________________________________________________________________ | |
94de3818 | 447 | Bool_t AliTRDgeometry::Local2Global(Int_t idet, Float_t *local, Float_t *global) const |
f7336fa3 | 448 | { |
449 | // | |
450 | // Converts local pad-coordinates (row,col,time) into | |
451 | // global ALICE reference frame coordinates (x,y,z) | |
452 | // | |
453 | ||
793ff80c | 454 | Int_t icham = GetChamber(idet); // Chamber info (0-4) |
455 | Int_t isect = GetSector(idet); // Sector info (0-17) | |
456 | Int_t iplan = GetPlane(idet); // Plane info (0-5) | |
f7336fa3 | 457 | |
6f1e466d | 458 | return Local2Global(iplan,icham,isect,local,global); |
f7336fa3 | 459 | |
460 | } | |
461 | ||
462 | //_____________________________________________________________________________ | |
463 | Bool_t AliTRDgeometry::Local2Global(Int_t iplan, Int_t icham, Int_t isect | |
94de3818 | 464 | , Float_t *local, Float_t *global) const |
f7336fa3 | 465 | { |
466 | // | |
467 | // Converts local pad-coordinates (row,col,time) into | |
468 | // global ALICE reference frame coordinates (x,y,z) | |
469 | // | |
470 | ||
793ff80c | 471 | Int_t idet = GetDetector(iplan,icham,isect); // Detector number |
f7336fa3 | 472 | |
16bf9884 | 473 | Float_t padRow = local[0]+0.5; // Pad Row position |
474 | Float_t padCol = local[1]+0.5; // Pad Column position | |
475 | Float_t timeSlice = local[2]+0.5; // Time "position" | |
f7336fa3 | 476 | |
793ff80c | 477 | Float_t row0 = GetRow0(iplan,icham,isect); |
478 | Float_t col0 = GetCol0(iplan); | |
479 | Float_t time0 = GetTime0(iplan); | |
f7336fa3 | 480 | |
793ff80c | 481 | Float_t rot[3]; |
f7336fa3 | 482 | |
483 | // calculate (x,y,z) position in rotated chamber | |
a2b90f83 | 484 | rot[0] = time0 - (timeSlice - fTimeBefore) * fTimeBinSize; |
485 | rot[1] = col0 + padCol * fColPadSize[iplan]; | |
486 | rot[2] = row0 + padRow * fRowPadSize[iplan][icham][isect]; | |
f7336fa3 | 487 | |
488 | // Rotate back to original position | |
489 | return RotateBack(idet,rot,global); | |
490 | ||
491 | } | |
492 | ||
493 | //_____________________________________________________________________________ | |
793ff80c | 494 | Bool_t AliTRDgeometry::Rotate(Int_t d, Float_t *pos, Float_t *rot) const |
f7336fa3 | 495 | { |
496 | // | |
497 | // Rotates all chambers in the position of sector 0 and transforms | |
498 | // the coordinates in the ALICE restframe <pos> into the | |
499 | // corresponding local frame <rot>. | |
500 | // | |
501 | ||
793ff80c | 502 | Int_t sector = GetSector(d); |
f7336fa3 | 503 | |
793ff80c | 504 | rot[0] = pos[0] * fRotA11[sector] + pos[1] * fRotA12[sector]; |
505 | rot[1] = -pos[0] * fRotA21[sector] + pos[1] * fRotA22[sector]; | |
f7336fa3 | 506 | rot[2] = pos[2]; |
507 | ||
508 | return kTRUE; | |
509 | ||
510 | } | |
511 | ||
512 | //_____________________________________________________________________________ | |
94de3818 | 513 | Bool_t AliTRDgeometry::RotateBack(Int_t d, Float_t *rot, Float_t *pos) const |
f7336fa3 | 514 | { |
515 | // | |
516 | // Rotates a chambers from the position of sector 0 into its | |
517 | // original position and transforms the corresponding local frame | |
518 | // coordinates <rot> into the coordinates of the ALICE restframe <pos>. | |
519 | // | |
520 | ||
793ff80c | 521 | Int_t sector = GetSector(d); |
f7336fa3 | 522 | |
793ff80c | 523 | pos[0] = rot[0] * fRotB11[sector] + rot[1] * fRotB12[sector]; |
524 | pos[1] = -rot[0] * fRotB21[sector] + rot[1] * fRotB22[sector]; | |
6f1e466d | 525 | pos[2] = rot[2]; |
f7336fa3 | 526 | |
527 | return kTRUE; | |
528 | ||
529 | } | |
530 | ||
531 | //_____________________________________________________________________________ | |
ff821236 | 532 | Int_t AliTRDgeometry::GetDetector(const Int_t p, const Int_t c, const Int_t s) const |
f7336fa3 | 533 | { |
534 | // | |
535 | // Convert plane / chamber / sector into detector number | |
536 | // | |
537 | ||
793ff80c | 538 | return (p + c * fgkNplan + s * fgkNplan * fgkNcham); |
f7336fa3 | 539 | |
540 | } | |
541 | ||
542 | //_____________________________________________________________________________ | |
ff821236 | 543 | Int_t AliTRDgeometry::GetPlane(const Int_t d) const |
f7336fa3 | 544 | { |
545 | // | |
546 | // Reconstruct the plane number from the detector number | |
547 | // | |
548 | ||
793ff80c | 549 | return ((Int_t) (d % fgkNplan)); |
f7336fa3 | 550 | |
551 | } | |
552 | ||
553 | //_____________________________________________________________________________ | |
ff821236 | 554 | Int_t AliTRDgeometry::GetChamber(const Int_t d) const |
f7336fa3 | 555 | { |
556 | // | |
557 | // Reconstruct the chamber number from the detector number | |
558 | // | |
559 | ||
793ff80c | 560 | return ((Int_t) (d % (fgkNplan * fgkNcham)) / fgkNplan); |
f7336fa3 | 561 | |
562 | } | |
563 | ||
564 | //_____________________________________________________________________________ | |
ff821236 | 565 | Int_t AliTRDgeometry::GetSector(const Int_t d) const |
f7336fa3 | 566 | { |
567 | // | |
568 | // Reconstruct the sector number from the detector number | |
569 | // | |
570 | ||
793ff80c | 571 | return ((Int_t) (d / (fgkNplan * fgkNcham))); |
f7336fa3 | 572 | |
573 | } | |
574 | ||
575 | //_____________________________________________________________________________ | |
793ff80c | 576 | void AliTRDgeometry::GetGlobal(const AliRecPoint *p, TVector3 &pos |
577 | , TMatrix &mat) const | |
f7336fa3 | 578 | { |
579 | // | |
580 | // Returns the global coordinate and error matrix of a AliTRDrecPoint | |
581 | // | |
582 | ||
583 | GetGlobal(p,pos); | |
9d0b222b | 584 | mat.Zero(); |
f7336fa3 | 585 | |
586 | } | |
587 | ||
588 | //_____________________________________________________________________________ | |
94de3818 | 589 | void AliTRDgeometry::GetGlobal(const AliRecPoint *p, TVector3 &pos) const |
f7336fa3 | 590 | { |
591 | // | |
592 | // Returns the global coordinate and error matrix of a AliTRDrecPoint | |
593 | // | |
594 | ||
595 | Int_t detector = ((AliTRDrecPoint *) p)->GetDetector(); | |
596 | ||
597 | Float_t global[3]; | |
598 | Float_t local[3]; | |
6f1e466d | 599 | local[0] = ((AliTRDrecPoint *) p)->GetLocalRow(); |
600 | local[1] = ((AliTRDrecPoint *) p)->GetLocalCol(); | |
601 | local[2] = ((AliTRDrecPoint *) p)->GetLocalTime(); | |
f7336fa3 | 602 | |
603 | if (Local2Global(detector,local,global)) { | |
604 | pos.SetX(global[0]); | |
605 | pos.SetY(global[1]); | |
606 | pos.SetZ(global[2]); | |
607 | } | |
608 | else { | |
609 | pos.SetX(0.0); | |
610 | pos.SetY(0.0); | |
611 | pos.SetZ(0.0); | |
612 | } | |
613 | ||
614 | } |