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4c039060 | 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 | $Log$ | |
cc80f89e | 18 | Revision 1.13.8.2 2000/04/10 08:33:44 kowal2 |
19 | ||
20 | Updated readout chambers | |
21 | ||
22 | Revision 1.13.8.1 2000/04/10 07:56:53 kowal2 | |
23 | Not used anymore - removed | |
24 | ||
25 | Revision 1.13 1999/11/04 17:28:06 fca | |
26 | Correct barrel part of HV Degrader | |
27 | ||
a5371c42 | 28 | Revision 1.12 1999/10/08 06:27:23 fca |
29 | Corrected bug in the HV degrader geometry, thanks to G.Tabary | |
30 | ||
d183a600 | 31 | Revision 1.11 1999/10/04 13:39:54 fca |
32 | Correct array index problem | |
33 | ||
cdde5b1e | 34 | Revision 1.10 1999/09/29 09:24:34 fca |
35 | Introduction of the Copyright and cvs Log | |
36 | ||
4c039060 | 37 | */ |
38 | ||
fe4da5cc | 39 | /////////////////////////////////////////////////////////////////////////////// |
40 | // // | |
41 | // Time Projection Chamber version 0 -- "coarse" TPC // | |
42 | // // | |
43 | //Begin_Html | |
44 | /* | |
1439f98e | 45 | <img src="picts/AliTPCv0Class.gif"> |
fe4da5cc | 46 | */ |
47 | //End_Html | |
48 | // // | |
49 | // // | |
50 | /////////////////////////////////////////////////////////////////////////////// | |
51 | ||
52 | #include <TMath.h> | |
53 | #include <TGeometry.h> | |
54 | #include <TNode.h> | |
55 | #include <TTUBE.h> | |
56 | #include "AliTPCv0.h" | |
57 | #include "AliRun.h" | |
58 | #include <iostream.h> | |
59 | #include <fstream.h> | |
fe4da5cc | 60 | #include "AliMC.h" |
61 | #include "AliConst.h" | |
62 | ||
1283eee5 | 63 | #include "AliTPCParam.h" |
cc80f89e | 64 | #include "AliTPCDigitsArray.h" |
1283eee5 | 65 | |
fe4da5cc | 66 | ClassImp(AliTPCv0) |
67 | ||
68 | //_____________________________________________________________________________ | |
69 | AliTPCv0::AliTPCv0(const char *name, const char *title) | |
70 | :AliTPC(name, title) | |
71 | { | |
72 | // | |
73 | // Standard creator for TPC version 0 | |
74 | // | |
75 | } | |
76 | ||
77 | //_____________________________________________________________________________ | |
78 | void AliTPCv0::CreateGeometry() | |
79 | { | |
80 | // | |
81 | // Creation of the TPC coarse geometry (version 0) | |
cc80f89e | 82 | // Origin Marek Kowalski Cracow |
fe4da5cc | 83 | // |
84 | //Begin_Html | |
85 | /* | |
1439f98e | 86 | <img src="picts/AliTPCv0.gif"> |
fe4da5cc | 87 | */ |
88 | //End_Html | |
89 | //Begin_Html | |
90 | /* | |
1439f98e | 91 | <img src="picts/AliTPCv0Tree.gif"> |
fe4da5cc | 92 | */ |
93 | //End_Html | |
94 | ||
fe4da5cc | 95 | |
1283eee5 | 96 | Int_t *idtmed = fIdtmed->GetArray(); |
97 | ||
98 | Float_t dm[21]; | |
62a73ee5 | 99 | Int_t idrotm[120]; |
1283eee5 | 100 | |
101 | Int_t nRotMat = 0; | |
102 | ||
103 | ||
fe4da5cc | 104 | // ---------------------------------------------------- |
1283eee5 | 105 | // FIELD CAGE WITH ENDCAPS - G10 |
fe4da5cc | 106 | // THIS IS ALSO A TPC MOTHER VOLUME |
107 | // ---------------------------------------------------- | |
1283eee5 | 108 | |
fe4da5cc | 109 | dm[0] = 76.; |
110 | dm[1] = 278.; | |
111 | dm[2] = 275.; | |
1283eee5 | 112 | |
113 | gMC->Gsvolu("TPC ", "TUBE", idtmed[8], dm, 3); | |
114 | ||
115 | //----------------------------------------------------- | |
116 | // Endcap cover c-fibre 0.86% X0 | |
117 | //----------------------------------------------------- | |
118 | ||
119 | dm[0] = 78.; | |
120 | dm[1] = 258.; | |
121 | dm[2] = 0.95; | |
122 | ||
123 | gMC->Gsvolu("TPEC","TUBE",idtmed[10],dm,3); | |
124 | ||
125 | //----------------------------------------------------- | |
126 | // Drift gas , leave 2 cm at the outer radius | |
127 | // and inner raddius | |
128 | //----------------------------------------------------- | |
129 | ||
130 | dm[0] = 78.; | |
131 | dm[1] = 258.; | |
fe4da5cc | 132 | dm[2] = 250.; |
133 | ||
1283eee5 | 134 | gMC->Gsvolu("TGAS", "TUBE", idtmed[3], dm, 3); |
135 | ||
136 | ||
137 | //------------------------------------------------------ | |
138 | // membrane holder - carbon fiber | |
139 | //------------------------------------------------------ | |
140 | ||
141 | ||
142 | gMC->Gsvolu("TPMH","TUBE",idtmed[6],dm,0); | |
143 | ||
144 | dm[0] = 252.; | |
145 | dm[1] = 258.; | |
146 | dm[2] = 0.2; | |
fe4da5cc | 147 | |
1283eee5 | 148 | gMC->Gsposp("TPMH",1,"TGAS",0.,0.,0.,0,"ONLY",dm,3); |
149 | ||
150 | dm[0] = 78.; | |
cdde5b1e | 151 | dm[1] = 82.; |
1283eee5 | 152 | dm[2] = 0.1; |
153 | ||
154 | gMC->Gsposp("TPMH",2,"TGAS",0.,0.,0.,0,"ONLY",dm,3); | |
155 | ||
156 | //---------------------------------------------------------- | |
157 | // HV membrane - 25 microns of mylar | |
158 | //---------------------------------------------------------- | |
159 | ||
160 | dm[0] = 82.; | |
161 | dm[1] = 252.; | |
162 | dm[2] = 0.00125; | |
163 | ||
164 | gMC->Gsvolu("TPHV","TUBE",idtmed[5],dm,3); | |
165 | ||
166 | gMC->Gspos("TPHV",1,"TGAS",0.,0.,0.,0,"ONLY"); | |
167 | ||
168 | gMC->Gspos("TGAS",1,"TPC ",0.,0.,0.,0,"ONLY"); | |
169 | ||
170 | //---------------------------------------------------------- | |
171 | // "side" gas volume, the same as the drift gas | |
172 | // the readout chambers are placed there. | |
173 | //---------------------------------------------------------- | |
174 | ||
175 | dm[0] = 78.; | |
176 | dm[1] = 258.; | |
177 | dm[2] = 0.5*(275. - 250.); | |
178 | ||
179 | gMC->Gsvolu("TPSG", "TUBE", idtmed[2], dm, 3); | |
180 | ||
181 | Float_t z_side = dm[2]; // 1/2 of the side gas thickness | |
182 | ||
183 | //----------------------------------------------------------- | |
184 | // Readout chambers , 25% of X0, I use Al as the material | |
185 | //----------------------------------------------------------- | |
186 | ||
187 | Float_t InnerOpenAngle = fTPCParam->GetInnerAngle(); | |
188 | Float_t OuterOpenAngle = fTPCParam->GetOuterAngle(); | |
189 | ||
190 | Float_t InnerAngleShift = fTPCParam->GetInnerAngleShift(); | |
191 | Float_t OuterAngleShift = fTPCParam->GetOuterAngleShift(); | |
192 | ||
193 | ||
194 | Int_t nInnerSector = fTPCParam->GetNInnerSector()/2; | |
195 | Int_t nOuterSector = fTPCParam->GetNOuterSector()/2; | |
196 | ||
197 | ||
cc80f89e | 198 | Float_t InSecLowEdge = fTPCParam->GetInnerRadiusLow(); |
199 | Float_t InSecUpEdge = fTPCParam->GetInnerRadiusUp(); | |
1283eee5 | 200 | |
cc80f89e | 201 | Float_t OuSecLowEdge = fTPCParam->GetOuterRadiusLow(); |
202 | Float_t OuSecUpEdge = fTPCParam->GetOuterRadiusUp(); | |
1283eee5 | 203 | |
204 | Float_t SecThick = 2.225; // Al | |
205 | ||
1283eee5 | 206 | |
207 | // S (Inner) sectors | |
208 | ||
cc80f89e | 209 | Float_t LowEdge = fTPCParam->GetInnerFrameSpace(); |
210 | ||
211 | dm[0] = InSecLowEdge*TMath::Tan(0.5*InnerOpenAngle)-LowEdge; | |
212 | dm[1] = InSecUpEdge*TMath::Tan(0.5*InnerOpenAngle)-LowEdge; | |
1283eee5 | 213 | dm[2] = SecThick; |
214 | dm[3] = 0.5*(InSecUpEdge-InSecLowEdge); | |
215 | ||
216 | Float_t xCenterS = InSecLowEdge+dm[3]; | |
217 | ||
218 | gMC->Gsvolu("TRCS", "TRD1", idtmed[0], dm, 4); | |
219 | ||
220 | // L (Outer) sectors | |
221 | ||
cc80f89e | 222 | Float_t UpEdge = fTPCParam->GetOuterFrameSpace(); |
223 | ||
224 | dm[0] = OuSecLowEdge*TMath::Tan(0.5*OuterOpenAngle)-UpEdge; | |
225 | dm[1] = OuSecUpEdge*TMath::Tan(0.5*OuterOpenAngle)-UpEdge; | |
1283eee5 | 226 | dm[2] = SecThick; |
227 | dm[3] = 0.5*(OuSecUpEdge-OuSecLowEdge); | |
228 | ||
229 | Float_t xCenterL = OuSecLowEdge+dm[3]; | |
230 | ||
231 | gMC->Gsvolu("TRCL", "TRD1", idtmed[0], dm, 4); | |
232 | ||
233 | Float_t z1 = -z_side + SecThick*0.5; | |
234 | ||
235 | //------------------------------------------------------------------ | |
236 | // Positioning of the S-sector readout chambers | |
237 | //------------------------------------------------------------------ | |
238 | ||
239 | Int_t ns; | |
240 | Float_t theta1,theta2,theta3; | |
241 | Float_t phi1,phi2,phi3; | |
242 | Float_t alpha; | |
243 | Float_t x,y; | |
244 | ||
245 | for(ns=0;ns<nInnerSector;ns++){ | |
246 | ||
247 | phi1 = ns * InnerOpenAngle + 270.*kDegrad + InnerAngleShift; | |
248 | phi1 *= kRaddeg; // in degrees | |
249 | ||
250 | phi1 = (Float_t)TMath::Nint(phi1); | |
251 | ||
252 | if (phi1 > 360.) phi1 -= 360.; | |
253 | ||
fe4da5cc | 254 | theta1 = 90.; |
255 | phi2 = 90.; | |
256 | theta2 = 180.; | |
1283eee5 | 257 | phi3 = ns * InnerOpenAngle + InnerAngleShift; |
258 | phi3 *= kRaddeg; // in degrees | |
259 | ||
260 | phi3 = (Float_t)TMath::Nint(phi3); | |
261 | ||
262 | if(phi3 > 360.) phi3 -= 360.; | |
263 | ||
fe4da5cc | 264 | theta3 = 90.; |
1283eee5 | 265 | |
266 | alpha = phi3*kDegrad; | |
267 | ||
268 | x = xCenterS * TMath::Cos(alpha); | |
269 | y = xCenterS * TMath::Sin(alpha); | |
270 | ||
271 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); | |
272 | ||
273 | gMC->Gspos("TRCS", ns+1, "TPSG", x, y, z1, idrotm[nRotMat], "ONLY"); | |
274 | ||
275 | nRotMat++; | |
276 | ||
277 | } | |
fe4da5cc | 278 | |
1283eee5 | 279 | //------------------------------------------------------------------- |
280 | // Positioning of the L-sectors readout chambers | |
281 | //------------------------------------------------------------------- | |
fe4da5cc | 282 | |
1283eee5 | 283 | for(ns=0;ns<nOuterSector;ns++){ |
284 | phi1 = ns * OuterOpenAngle + 270.*kDegrad + OuterAngleShift; | |
285 | phi1 *= kRaddeg; // in degrees | |
286 | ||
287 | phi1 = (Float_t)TMath::Nint(phi1); | |
fe4da5cc | 288 | |
1283eee5 | 289 | |
290 | if (phi1 > 360.) phi1 -= 360.; | |
291 | ||
fe4da5cc | 292 | theta1 = 90.; |
293 | phi2 = 90.; | |
294 | theta2 = 180.; | |
1283eee5 | 295 | phi3 = ns * OuterOpenAngle+OuterAngleShift; |
296 | phi3 *= kRaddeg; // in degrees | |
297 | ||
298 | phi3 = (Float_t)TMath::Nint(phi3); | |
299 | ||
300 | ||
301 | if(phi3 > 360.) phi3 -= 360.; | |
302 | ||
fe4da5cc | 303 | theta3 = 90.; |
1283eee5 | 304 | |
305 | alpha = phi3*kDegrad; | |
306 | ||
307 | x = xCenterL * TMath::Cos(alpha); | |
308 | y = xCenterL * TMath::Sin(alpha); | |
309 | ||
310 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); | |
311 | ||
312 | ||
313 | gMC->Gspos("TRCL", ns+1, "TPSG", x, y, z1, idrotm[nRotMat], "ONLY"); | |
314 | ||
315 | nRotMat++; | |
316 | ||
fe4da5cc | 317 | } |
1283eee5 | 318 | |
319 | Float_t z0 = z_side - 0.95; | |
320 | ||
321 | gMC->Gspos("TPEC",1,"TPSG",0.,0.,z0,0,"ONLY"); | |
322 | ||
fe4da5cc | 323 | // ========================================================== |
324 | // wheels | |
325 | // ========================================================== | |
1283eee5 | 326 | |
327 | // | |
328 | // auxilary structures | |
329 | // | |
330 | ||
331 | ||
332 | gMC->Gsvolu("TPWI","TUBE",idtmed[24],dm,0); // "air" | |
333 | ||
fe4da5cc | 334 | // ---------------------------------------------------------- |
335 | // Large wheel -> positioned in the TPC | |
336 | // ---------------------------------------------------------- | |
1283eee5 | 337 | |
338 | ||
339 | z0 = 263.5; // TPC length - 1/2 spoke wheel width | |
340 | ||
341 | dm[0] = 258.; | |
fe4da5cc | 342 | dm[1] = 278.; |
343 | dm[2] = 11.5; | |
fe4da5cc | 344 | |
1283eee5 | 345 | gMC->Gsvolu("TPWL", "TUBE", idtmed[0], dm, 3); |
346 | ||
347 | dm[0] = dm[0]+2.; | |
348 | dm[1] = 278.; | |
349 | dm[2] = dm[2]-2.; | |
350 | ||
351 | gMC->Gsposp("TPWI",1,"TPWL",0.,0.,0.,0,"ONLY",dm,3); | |
352 | ||
353 | gMC->Gspos("TPWL", 1, "TPC ", 0, 0, z0, 0, "ONLY"); | |
354 | gMC->Gspos("TPWL", 2, "TPC ", 0, 0, -z0, 0, "ONLY"); | |
355 | ||
356 | // | |
357 | // Outer vessel + CO2 HV degrader | |
358 | // | |
359 | ||
360 | dm[0] = 260.; | |
361 | dm[1] = 278.; | |
362 | dm[2] = 252.; | |
363 | ||
364 | gMC->Gsvolu("TPCO","TUBE",idtmed[12],dm,3); | |
365 | ||
366 | dm[0] = 275.; | |
fe4da5cc | 367 | dm[1] = 278.; |
fe4da5cc | 368 | |
1283eee5 | 369 | gMC->Gsvolu("TPOV","TUBE",idtmed[10],dm,3); |
370 | ||
371 | gMC->Gspos("TPOV",1,"TPCO",0.,0.,0.,0,"ONLY"); | |
372 | ||
373 | ||
374 | // G10 plugs | |
375 | ||
376 | dm[0] = 258.; | |
377 | dm[1] = 260.; | |
378 | dm[2] = 1.; | |
379 | ||
380 | gMC->Gsvolu("TPG1","TUBE",idtmed[8],dm,3); | |
381 | gMC->Gspos("TPG1",1,"TPCO",0.,0.,251.,0,"ONLY"); | |
382 | gMC->Gspos("TPG1",2,"TPCO",0.,0.,-251.,0,"ONLY"); | |
383 | ||
384 | gMC->Gspos("TPCO",1,"TPC ",0.,0.,0.,0,"ONLY"); | |
385 | ||
386 | ||
387 | //---------------------------------------------------------- | |
388 | // Small wheel -> positioned in "side gas | |
389 | //---------------------------------------------------------- | |
390 | ||
391 | dm[0] = 78.; | |
fe4da5cc | 392 | dm[1] = 82.; |
393 | dm[2] = 11.5; | |
1283eee5 | 394 | |
395 | gMC->Gsvolu("TPWS", "TUBE", idtmed[0], dm, 3); | |
396 | ||
397 | dm[0] = 78.; | |
398 | dm[1] = dm[1]-2; | |
399 | dm[2] = dm[2]-2.; | |
400 | ||
401 | gMC->Gsvolu("TPW1", "TUBE", idtmed[2], dm, 3); | |
fe4da5cc | 402 | |
1283eee5 | 403 | gMC->Gspos("TPW1", 1, "TPWS", 0., 0., 0., 0, "ONLY"); |
404 | ||
405 | z0 = 1.; // spoke wheel is shifted w.r.t. center of the "side gas" | |
406 | ||
407 | gMC->Gspos("TPWS", 1, "TPSG", 0, 0, z0, 0, "ONLY"); | |
408 | ||
409 | ||
410 | // to avoid overlaps | |
411 | ||
412 | dm[0] = 76.; | |
413 | dm[1] = 78.; | |
414 | dm[2] = 11.5; | |
415 | ||
416 | gMC->Gsvolu("TPS1","TUBE",idtmed[0],dm,3); | |
417 | ||
fe4da5cc | 418 | dm[2] = 9.5; |
1283eee5 | 419 | |
420 | gMC->Gsvolu("TPS2","TUBE",idtmed[24],dm,3); | |
421 | ||
422 | gMC->Gspos("TPS2",1,"TPS1",0.,0.,0.,0,"ONLY"); | |
423 | ||
424 | z0= 263.5; | |
fe4da5cc | 425 | |
1283eee5 | 426 | gMC->Gspos("TPS1",1,"TPC ",0.,0.,z0,0,"ONLY"); |
427 | gMC->Gspos("TPS1",2,"TPC ",0.,0.,-z0,0,"ONLY"); | |
428 | ||
429 | // G10 plug | |
430 | ||
431 | dm[0] = 76.; | |
7d7bb9e5 | 432 | dm[1] = 78.; |
433 | dm[2] = 1.; | |
1283eee5 | 434 | |
435 | gMC->Gsvolu("TPG2","TUBE",idtmed[8],dm,3); | |
436 | ||
437 | z0 = 251.; | |
438 | ||
439 | gMC->Gspos("TPG2",1,"TPC ",0.,0.,z0,0,"ONLY"); | |
440 | gMC->Gspos("TPG2",2,"TPC ",0.,0.,-z0,0,"ONLY"); | |
441 | ||
442 | ||
443 | //--------------------------------------------------------- | |
444 | // central wheel 6 (radial direction) x 4 (along z) cm2 | |
445 | //--------------------------------------------------------- | |
446 | ||
447 | dm[0] = 140.; | |
448 | dm[1] = 146.; | |
fe4da5cc | 449 | dm[2] = 2.; |
fe4da5cc | 450 | |
1283eee5 | 451 | gMC->Gsvolu("TPWC","TUBE",idtmed[0],dm,3); |
452 | ||
453 | dm[0] = dm[0] + 2.; | |
454 | dm[1] = dm[1] - 2.; | |
455 | dm[2] = dm[2] - 1.; | |
456 | ||
457 | gMC->Gsposp("TPWI",2,"TPWC",0.,0.,0.,0,"ONLY",dm,3); | |
458 | ||
459 | z0 = z_side - 1.9 - 2.; | |
460 | ||
461 | gMC->Gspos("TPWC",1,"TPSG",0.,0.,z0,0,"ONLY"); | |
462 | ||
463 | // | |
464 | ||
465 | gMC->Gsvolu("TPSE","BOX ",idtmed[24],dm,0); // "empty" part of the spoke | |
466 | ||
467 | ||
468 | //--------------------------------------------------------- | |
469 | // inner spokes (nSectorInner) | |
470 | //--------------------------------------------------------- | |
471 | ||
472 | dm[0] = 0.5*(139.9-82.1); | |
fe4da5cc | 473 | dm[1] = 3.; |
474 | dm[2] = 2.; | |
1283eee5 | 475 | |
476 | Float_t x1 = dm[0]+82.; | |
477 | ||
478 | gMC->Gsvolu("TPSI","BOX",idtmed[0],dm,3); | |
479 | ||
480 | dm[1] = dm[1]-1.; | |
481 | dm[2] = dm[2]-1.; | |
482 | ||
483 | gMC->Gsposp("TPSE",1,"TPSI",0.,0.,0.,0,"ONLY",dm,3); | |
484 | ||
485 | for(ns=0;ns<nInnerSector;ns++){ | |
486 | ||
487 | phi1 = 0.5*InnerOpenAngle + ns*InnerOpenAngle + InnerAngleShift; | |
488 | theta1=90.; | |
489 | phi1 *=kRaddeg; | |
490 | ||
491 | phi1 = (Float_t)TMath::Nint(phi1); | |
492 | ||
493 | phi2 = phi1+90.; | |
494 | if(phi2>360.) phi2 -= 360.; | |
495 | theta2=90.; | |
496 | phi3=0.; | |
497 | theta3=0.; | |
498 | ||
fe4da5cc | 499 | alpha = phi1 * kDegrad; |
500 | x = x1 * TMath::Cos(alpha); | |
1283eee5 | 501 | y = x1 * TMath::Sin(alpha); |
502 | ||
503 | AliMatrix(idrotm[nRotMat],theta1,phi1,theta2,phi2,theta3,phi3); | |
504 | ||
505 | gMC->Gspos("TPSI",ns+1,"TPSG",x,y,z0,idrotm[nRotMat],"ONLY"); | |
506 | ||
507 | nRotMat++; | |
508 | ||
fe4da5cc | 509 | } |
1283eee5 | 510 | |
511 | //------------------------------------------------------------- | |
512 | // outer spokes (nSectorOuter) | |
513 | //------------------------------------------------------------- | |
514 | ||
515 | dm[0] = 0.5*(257.9-146.1); | |
516 | dm[1] = 3.; | |
517 | dm[2] = 2.; | |
518 | ||
519 | x1 = dm[0] + 146.; | |
520 | ||
521 | gMC->Gsvolu("TPSO","BOX ",idtmed[0],dm,3); | |
522 | ||
523 | dm[1] = dm[1] - 1.; | |
524 | dm[2] = dm[2] - 1.; | |
525 | ||
526 | gMC->Gsposp("TPSE",2,"TPSO",0.,0.,0.,0,"ONLY",dm,3); | |
527 | ||
528 | for(ns=0;ns<nOuterSector;ns++){ | |
529 | ||
530 | phi1 = 0.5*OuterOpenAngle + ns*OuterOpenAngle + OuterAngleShift; | |
531 | theta1=90.; | |
532 | phi1 *=kRaddeg; | |
533 | ||
534 | phi1 = (Float_t)TMath::Nint(phi1); | |
535 | ||
536 | phi2 = phi1+90.; | |
537 | if(phi2>360.) phi2 -= 360.; | |
538 | theta2=90.; | |
539 | phi3=0.; | |
540 | theta3=0.; | |
541 | ||
fe4da5cc | 542 | alpha = phi1 * kDegrad; |
1283eee5 | 543 | x = x1 * TMath::Cos(alpha); |
544 | y = x1 * TMath::Sin(alpha); | |
545 | ||
546 | AliMatrix(idrotm[nRotMat],theta1,phi1,theta2,phi2,theta3,phi3); | |
547 | ||
548 | gMC->Gspos("TPSO",ns+1,"TPSG",x,y,z0,idrotm[nRotMat],"ONLY"); | |
549 | ||
550 | nRotMat++; | |
551 | ||
552 | } | |
fe4da5cc | 553 | |
1283eee5 | 554 | |
fe4da5cc | 555 | |
fe4da5cc | 556 | // -------------------------------------------------------- |
557 | // put the readout chambers into the TPC | |
558 | // -------------------------------------------------------- | |
1283eee5 | 559 | |
fe4da5cc | 560 | theta1 = 90.; |
561 | phi1 = 0.; | |
562 | theta2 = 90.; | |
563 | phi2 = 270.; | |
564 | theta3 = 180.; | |
565 | phi3 = 0.; | |
566 | ||
1283eee5 | 567 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); |
fe4da5cc | 568 | |
569 | z0 = z_side + 250.; | |
570 | ||
cfce8870 | 571 | gMC->Gspos("TPSG", 1, "TPC ", 0, 0, z0, 0, "ONLY"); |
1283eee5 | 572 | gMC->Gspos("TPSG", 2, "TPC ", 0, 0, -z0, idrotm[nRotMat], "ONLY"); |
fe4da5cc | 573 | |
cfce8870 | 574 | gMC->Gspos("TPC ", 1, "ALIC", 0, 0, 0, 0, "ONLY"); |
1283eee5 | 575 | |
576 | //---------------------------------------------------- | |
577 | // Inner vessel and HV degrader | |
578 | //---------------------------------------------------- | |
579 | ||
fe4da5cc | 580 | dm[0] = 0.; |
581 | dm[1] = 360.; | |
582 | dm[2] = 4.; | |
583 | ||
584 | dm[3] = -250.; | |
1283eee5 | 585 | dm[4] = 74.4; |
fe4da5cc | 586 | dm[5] = 76.; |
1283eee5 | 587 | |
fe4da5cc | 588 | dm[6] = -64.5; |
589 | dm[7] = 50.; | |
590 | dm[8] = 76.; | |
1283eee5 | 591 | |
d183a600 | 592 | dm[9] = 64.5; |
fe4da5cc | 593 | dm[10] = 50.; |
594 | dm[11] = 76.; | |
1283eee5 | 595 | |
fe4da5cc | 596 | dm[12] = 250.; |
1283eee5 | 597 | dm[13] = 74.4; |
fe4da5cc | 598 | dm[14] = 76.; |
1283eee5 | 599 | |
600 | gMC->Gsvolu("TPVD", "PCON", idtmed[12], dm, 15); // CO2 | |
601 | ||
602 | // cone parts | |
603 | ||
fe4da5cc | 604 | dm[0] = 0.; |
605 | dm[1] = 360.; | |
1283eee5 | 606 | dm[2] = 2.; |
607 | ||
608 | dm[3] = 64.5; | |
609 | dm[4] = 50.; | |
610 | dm[5] = 51.6; | |
611 | ||
612 | dm[6] = 250.; | |
613 | dm[7] = 74.4; | |
614 | dm[8] = 76.; | |
615 | ||
616 | ||
617 | gMC->Gsvolu("TIVC","PCON",idtmed[11],dm,9); // C-fibre | |
618 | ||
619 | gMC->Gspos("TIVC",1,"TPVD",0.,0.,0.,0,"ONLY"); | |
620 | gMC->Gspos("TIVC",2,"TPVD",0.,0.,0.,idrotm[nRotMat],"ONLY"); | |
621 | ||
622 | // barrel part | |
623 | ||
624 | dm[0] = 50.; | |
625 | dm[1] = 50.5; | |
a5371c42 | 626 | dm[2] = 64.5; |
1283eee5 | 627 | |
628 | gMC->Gsvolu("TIVB","TUBE",idtmed[9],dm,3); | |
629 | ||
630 | gMC->Gspos("TIVB",1,"TPVD",0.,0.,0.,0,"ONLY"); | |
631 | ||
632 | gMC->Gspos("TPVD",1,"ALIC",0.,0.,0.,0,"ONLY"); | |
633 | ||
fe4da5cc | 634 | |
1283eee5 | 635 | |
fe4da5cc | 636 | |
1283eee5 | 637 | |
fe4da5cc | 638 | // --------------------------------------------------- |
639 | // volumes ordering | |
640 | // --------------------------------------------------- | |
cfce8870 | 641 | gMC->Gsord("TPSG", 6); |
1283eee5 | 642 | |
643 | } // end of function | |
644 | ||
fe4da5cc | 645 | |
646 | //_____________________________________________________________________________ | |
647 | void AliTPCv0::CreateMaterials() | |
648 | { | |
649 | // | |
650 | // Define materials for the TPC | |
651 | // | |
652 | AliTPC::CreateMaterials(); | |
653 | } | |
654 | ||
655 | //_____________________________________________________________________________ | |
8c555625 | 656 | void AliTPCv0::DrawDetector() |
fe4da5cc | 657 | { |
658 | // | |
659 | // Draw a shaded view of the Time Projection Chamber version 0 | |
660 | // | |
661 | ||
fe4da5cc | 662 | // Set everything unseen |
cfce8870 | 663 | gMC->Gsatt("*", "seen", -1); |
fe4da5cc | 664 | // |
665 | // Set ALIC mother transparent | |
cfce8870 | 666 | gMC->Gsatt("ALIC","SEEN",0); |
fe4da5cc | 667 | // |
668 | // Set the volumes visible | |
cfce8870 | 669 | gMC->Gsatt("TPC","SEEN",0); |
670 | gMC->Gsatt("TGAS","SEEN",0); | |
671 | gMC->Gsatt("TPSG","SEEN",0); | |
672 | gMC->Gsatt("TPHV","SEEN",1); | |
1283eee5 | 673 | gMC->Gsatt("TPMH","SEEN",1); |
674 | gMC->Gsatt("TPEC","SEEN",0); | |
cfce8870 | 675 | gMC->Gsatt("TRCS","SEEN",1); |
676 | gMC->Gsatt("TRCL","SEEN",1); | |
1283eee5 | 677 | gMC->Gsatt("TPWL","SEEN",1); |
678 | gMC->Gsatt("TPWI","SEEN",1); | |
679 | gMC->Gsatt("TPWS","SEEN",1); | |
cfce8870 | 680 | gMC->Gsatt("TPW1","SEEN",1); |
1283eee5 | 681 | gMC->Gsatt("TPS1","SEEN",1); |
682 | gMC->Gsatt("TPS2","SEEN",1); | |
683 | gMC->Gsatt("TPG1","SEEN",1); | |
684 | gMC->Gsatt("TPG2","SEEN",1); | |
685 | gMC->Gsatt("TPWC","SEEN",1); | |
686 | gMC->Gsatt("TPSI","SEEN",1); | |
687 | gMC->Gsatt("TPSO","SEEN",1); | |
688 | gMC->Gsatt("TPCO","SEEN",1); | |
689 | gMC->Gsatt("TPOV","SEEN",1); | |
cfce8870 | 690 | gMC->Gsatt("TPVD","SEEN",1); |
fe4da5cc | 691 | // |
cfce8870 | 692 | gMC->Gdopt("hide", "on"); |
693 | gMC->Gdopt("shad", "on"); | |
694 | gMC->Gsatt("*", "fill", 7); | |
695 | gMC->SetClipBox("."); | |
696 | gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000); | |
697 | gMC->DefaultRange(); | |
698 | gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .025, .025); | |
699 | gMC->Gdhead(1111, "Time Projection Chamber"); | |
700 | gMC->Gdman(18, 4, "MAN"); | |
701 | gMC->Gdopt("hide","off"); | |
fe4da5cc | 702 | } |
703 | ||
704 | //_____________________________________________________________________________ | |
705 | void AliTPCv0::Init() | |
706 | { | |
707 | // | |
708 | // Initialise Time Projection Chamber version 0 | |
709 | // | |
710 | printf("TPC version 0 initialized\n"); | |
711 | } | |
712 | ||
713 | //_____________________________________________________________________________ | |
714 | void AliTPCv0::StepManager() | |
715 | { | |
716 | // | |
717 | // Procedure called at each step in the TPC | |
718 | // | |
719 | } |