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Small angle absorber in offficial coordinate system for physics.
[u/mrichter/AliRoot.git] / STRUCT / AliFRAMEv2.cxx
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7e5caa00 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
eeacf08b 16/* $Id$ */
6304e7d2 17
eeacf08b 18//------------------------------------------------------------------------
19// AliFRAMEv2.cxx
20// symmetric space frame with possibility for holes
21// Author: A.Morsch
22//------------------------------------------------------------------------
7e5caa00 23
88cb7938 24#include <TSystem.h>
25
7e5caa00 26#include "AliFRAMEv2.h"
27#include "AliMagF.h"
28#include "AliRun.h"
7e5caa00 29
30ClassImp(AliFRAMEv2)
31
32//_____________________________________________________________________________
33AliFRAMEv2::AliFRAMEv2()
34{
35// Constructor
36 SetHoles(0);
37}
38
39//_____________________________________________________________________________
40AliFRAMEv2::AliFRAMEv2(const char *name, const char *title)
41 : AliFRAME(name,title)
42{
43// Constructor
44 SetHoles(0);
45}
46
47
48//___________________________________________
49void AliFRAMEv2::CreateGeometry()
50{
51//Begin_Html
52/*
53<img src="picts/frame.gif">
54*/
55//End_Html
56
57
58//Begin_Html
59/*
60<img src="picts/tree_frame.gif">
61*/
62//End_Html
63
4a8eca94 64 Int_t idrotm[2299];
7e5caa00 65 Int_t *idtmed = fIdtmed->GetArray()-1999;
66//
67// The Space frame
68//
69//
e16311cb 70 Float_t pbox[3], ptrap[11], ptrd1[4], ppgon[10];
7e5caa00 71
72 Float_t dx, dy, dz;
73 Int_t i, j, jmod;
74//
75// Constants
76 const Float_t kEps = 0.01;
77 const Int_t kAir = idtmed[2004];
78 const Int_t kSteel = idtmed[2064];
79
80 const Float_t krad2deg = 180./TMath::Pi();
81 const Float_t kdeg2rad = 1./krad2deg;
82
4c057bc8 83 Float_t iFrH = 114.40;
84 Float_t ringH = 4.00;
85 Float_t ringW = 10.00;
86 Float_t longH = 5.39;
87 Float_t longW = 6.00;
88 Float_t dwl = 3.14;
89 Float_t dwh = 0.96;
7e5caa00 90
02e42643 91//
4a8eca94 92 Float_t dymodU[3] = {70.0, 224.0, 341.};
02e42643 93// new ?
4a8eca94 94 Float_t dymodL[3] = {54.0, 178.5, 341.};
af3fbbe1 95
7e5caa00 96//
97// Frame mother volume
98//
b35d7d26 99// ptube[0] = 280.;
100// ptube[1] = 430.;
101// ptube[2] = 376.;
102 ppgon[0] = 0.;
103 ppgon[1] = 360.;
104 ppgon[2] = 18.;
105
106 ppgon[3] = 2.;
b35d7d26 107 ppgon[4] = -376.;
108 ppgon[5] = 280.;
109 ppgon[6] = 421.;
110
111 ppgon[7] = -ppgon[4];
112 ppgon[8] = ppgon[5];
113 ppgon[9] = ppgon[6];
114
115 gMC->Gsvolu("B077", "PGON", kAir, ppgon, 10);
116
117// gMC->Gsvolu("B077", "TUBE", kAir, ptube, 3);
7e5caa00 118 gMC->Gspos("B077", 1, "ALIC", 0., 0., 0., 0, "ONLY");
119//
55bdc695 120// Reference plane for TRD
121//
122 ppgon[6] = ppgon[5] + 0.1;
123 ppgon[9] = ppgon[6];
124 gMC->Gsvolu("BREF", "PGON", kAir, ppgon, 10);
125 gMC->Gspos("BREF", 1, "B077", 0., 0., 0., 0, "ONLY");
126//
7e5caa00 127// The outer Frame
128//
129
130 Float_t dol = 8.75;
131 Float_t doh = 5.;
132 Float_t ds = 0.35;
133//
134// Mother volume
135//
136 ppgon[0] = 0.;
137 ppgon[1] = 360.;
138 ppgon[2] = 18.;
139
140 ppgon[3] = 2.;
141
142 ppgon[4] = -350.;
143 ppgon[5] = 399.;
144 ppgon[6] = 420.7122;
145
146 ppgon[7] = -ppgon[4];
147 ppgon[8] = ppgon[5];
148 ppgon[9] = ppgon[6];
149 gMC->Gsvolu("B076", "PGON", kAir, ppgon, 10);
150 gMC->Gspos("B076", 1, "B077", 0., 0., 0., 0, "ONLY");
151//
152// Rings
153//
154 dz = 2.*410.2*TMath::Sin(10.*kdeg2rad)-2.*dol*TMath::Cos(10.*kdeg2rad)-
155 2.*doh*TMath::Tan(10.*kdeg2rad);
156 Float_t l1 = dz/2.;
157 Float_t l2 = dz/2.+2.*doh*TMath::Tan(10.*kdeg2rad);
158
159 ptrd1[0] = l1;
160 ptrd1[1] = l2;
161
162 ptrd1[2] = dol;
163 ptrd1[3] = doh;
164 gMC->Gsvolu("B042", "TRD1", kSteel, ptrd1, 4);
165
166 ptrd1[0] = ptrd1[0]+ds*(l2-l1)/2./doh;
167 ptrd1[1] = ptrd1[1]-ds*(l2-l1)/2./doh;
168 ptrd1[2] = dol-ds;
169 ptrd1[3] = doh-ds;
170 gMC->Gsvolu("B043", "TRD1", kAir, ptrd1, 4);
171 gMC->Gspos("B043", 1, "B042", 0., 0., 0., 0, "ONLY");
172//
173// longitudinal bars
174//
175// 170x200x5
176//
177 pbox[0] = dol;
178 pbox[1] = doh;
179 pbox[2] = 350.;
180 gMC->Gsvolu("B033", "BOX", kSteel, pbox, 3);
181 pbox[0] = dol-ds;
182 pbox[1] = doh-ds;
183 gMC->Gsvolu("B034", "BOX", kAir, pbox, 3);
184 gMC->Gspos("B034", 1, "B033", 0., 0., 0., 0, "ONLY");
185
186 pbox[0] = 1.0;
187 pbox[1] = 5.0;
188 pbox[2] = 375.5;
189
190
191 gMC->Gsvolu("B080", "BOX", kSteel, pbox, 3);
b35d7d26 192 gMC->Gspos("B080", 1, "B077", 286.01, 0., 0., 0, "ONLY");
193 gMC->Gspos("B080", 2, "B077", -286.01, 0., 0., 0, "ONLY");
7e5caa00 194
195//
196// Diagonal bars (1)
197//
198 Float_t h, d, dq, x, theta;
199
4a8eca94 200 h = (dymodU[1]-dymodU[0]-2.*dol)*.999;
7e5caa00 201 d = 2.*dol;
202 dq = h*h+dz*dz;
203
204 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
205
206
207 theta = krad2deg * TMath::ACos(x);
208
209 ptrap[0] = dz/2.;
210 ptrap[1] = theta;
211 ptrap[2] = 0.;
212 ptrap[3] = doh;
213 ptrap[4] = dol/x;
214 ptrap[5] = ptrap[4];
215 ptrap[6] = 0;
216 ptrap[7] = ptrap[3];
217 ptrap[8] = ptrap[4];
218 ptrap[9] = ptrap[4];
219 ptrap[10] = 0;
220
221 gMC->Gsvolu("B047", "TRAP", kSteel, ptrap, 11);
222 ptrap[3] = doh-ds;
223 ptrap[4] = (dol-ds)/x;
224 ptrap[5] = ptrap[4];
225 ptrap[7] = ptrap[3];
226 ptrap[8] = ptrap[4];
227 ptrap[9] = ptrap[4];
228 gMC->Gsvolu("B048", "TRAP", kAir, ptrap, 11);
229 gMC->Gspos("B048", 1, "B047", 0.0, 0.0, 0., 0, "ONLY");
230
231/*
232 Crosses (inner most)
233 \\ //
234 \\//
235 //\\
236 // \\
237*/
4a8eca94 238 h = (2.*dymodU[0]-2.*dol)*.999;
7e5caa00 239//
240// Mother volume
241//
242 pbox[0] = h/2;
243 pbox[1] = doh;
244 pbox[2] = dz/2.;
245 gMC->Gsvolu("BM49", "BOX ", kAir, pbox, 3);
246
247
248 dq = h*h+dz*dz;
249 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
250 theta = krad2deg * TMath::ACos(x);
251
252 ptrap[0] = dz/2.-kEps;
253 ptrap[1] = theta;
254 ptrap[2] = 0.;
255 ptrap[3] = doh-kEps;
256 ptrap[4] = dol/x;
257 ptrap[5] = ptrap[4];
258 ptrap[7] = ptrap[3];
259 ptrap[8] = ptrap[4];
260 ptrap[9] = ptrap[4];
261
262 gMC->Gsvolu("B049", "TRAP", kSteel, ptrap, 11);
263 ptrap[0] = ptrap[0]-kEps;
264 ptrap[3] = (doh-ds);
265 ptrap[4] = (dol-ds)/x;
266 ptrap[5] = ptrap[4];
267 ptrap[7] = ptrap[3];
268 ptrap[8] = ptrap[4];
269 ptrap[9] = ptrap[4];
270 gMC->Gsvolu("B050", "TRAP", kAir, ptrap, 11);
271 gMC->Gspos("B050", 1, "B049", 0.0, 0.0, 0., 0, "ONLY");
272 gMC->Gspos("B049", 1, "BM49", 0.0, 0.0, 0., 0, "ONLY");
273
274
275 Float_t dd1 = d*TMath::Tan(theta*kdeg2rad);
276 Float_t dd2 = d/TMath::Tan(2.*theta*kdeg2rad);
277 Float_t theta2 = TMath::ATan(TMath::Abs(dd2-dd1)/d/2.);
278
279
280 ptrap[0] = dol;
281 ptrap[1] = theta2*krad2deg;
282 ptrap[2] = 0.;
283 ptrap[3] = doh;
284 ptrap[4] = (dz/2./x-dd1-dd2)/2.;
285 ptrap[5] = ptrap[4];
286 ptrap[6] = 0.;
287 ptrap[7] = ptrap[3];
288 ptrap[8] = dz/4./x;
289 ptrap[9] = ptrap[8];
290
291
292 gMC->Gsvolu("B051", "TRAP", kSteel, ptrap, 11);
293 Float_t ddx0 = ptrap[8];
294
295 Float_t dd1s = dd1*(1.-2.*ds/d);
296 Float_t dd2s = dd2*(1.-2.*ds/d);
297 Float_t theta2s = TMath::ATan(TMath::Abs(dd2s-dd1s)/(d-2.*ds)/2.);
298
299
300 ptrap[0] = dol-ds;
301 ptrap[1] = theta2s*krad2deg;
302 ptrap[2] = 0.;
303 ptrap[3] = doh-ds;
304 ptrap[4] = ptrap[4]+ds/d/2.*(dd1+dd2);
305 ptrap[5] = ptrap[4];
306 ptrap[6] = 0.;
307 ptrap[7] = ptrap[3];
308 ptrap[8] = ptrap[8]-ds/2./d*(dd1+dd2);
309 ptrap[9] = ptrap[8];
310
311 gMC->Gsvolu("B052", "TRAP", kAir, ptrap, 11);
312 gMC->Gspos("B052", 1, "B051", 0.0, 0.0, 0., 0, "ONLY");
313
314 Float_t ddx, ddz, drx, drz, rtheta;
315
4a8eca94 316 AliMatrix(idrotm[2001], -theta+180, 0.0, 90.0, 90.0, 90.-theta, 0.0);
7e5caa00 317 rtheta = (90.-theta)*kdeg2rad;
318 ddx = -ddx0-dol*TMath::Tan(theta2);
319 ddz = -dol;
320
321 drx = TMath::Cos(rtheta) * ddx +TMath::Sin(rtheta) *ddz+pbox[0];
322 drz = -TMath::Sin(rtheta) * ddx +TMath::Cos(rtheta) *ddz-pbox[2];
323 gMC->Gspos("B051", 1, "BM49",
324 drx, 0.0, drz,
4a8eca94 325 idrotm[2001], "ONLY");
7e5caa00 326
4a8eca94 327 AliMatrix(idrotm[2002], -theta, 0.0, 90.0, 90.0, 270.-theta, 0.0);
7e5caa00 328 rtheta = (270.-theta)*kdeg2rad;
329
330 drx = TMath::Cos(rtheta) * ddx + TMath::Sin(rtheta) * ddz-pbox[0];
331 drz = -TMath::Sin(rtheta) * ddx + TMath::Cos(rtheta) * ddz+pbox[2];
332 gMC->Gspos("B051", 2, "BM49",
333 drx, 0.0, drz,
4a8eca94 334 idrotm[2002], "ONLY");
7e5caa00 335
336//
337// Diagonal bars (3)
338//
4a8eca94 339 h = ((dymodU[2]-dymodU[1])-2.*dol)*.999;
7e5caa00 340 dq = h*h+dz*dz;
341 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
342 theta = krad2deg * TMath::ACos(x);
343
344 ptrap[0] = dz/2.;
345 ptrap[1] = theta;
346 ptrap[3] = doh;
347 ptrap[4] = dol/x;
348 ptrap[5] = ptrap[4];
349 ptrap[7] = ptrap[3];
350 ptrap[8] = ptrap[4];
351 ptrap[9] = ptrap[4];
352
353 gMC->Gsvolu("B045", "TRAP", kSteel, ptrap, 11);
354 ptrap[3] = doh-ds;
355 ptrap[4] = (dol-ds)/x;
356 ptrap[5] = ptrap[4];
357 ptrap[7] = ptrap[3];
358 ptrap[8] = ptrap[4];
359 ptrap[9] = ptrap[4];
360 gMC->Gsvolu("B046", "TRAP", kAir, ptrap, 11);
361 gMC->Gspos("B046", 1, "B045", 0.0, 0.0, 0., 0, "ONLY");
362
363//
364// Positioning of diagonal bars
365//
366// Matrices have been imported from Euclid. Some simplification
367// seems possible
368//
4a8eca94 369 AliMatrix(idrotm[2003], 0.0, 0.0, 90.0, 130.0, 90.0, 40.0);
370 AliMatrix(idrotm[2004], 180.0, 0.0, 90.0, 130.0, 90.0, 40.0);
371 AliMatrix(idrotm[2005], 180.0, 0.0, 90.0, 150.0, 90.0, 240.0);
372 AliMatrix(idrotm[2006], 0.0, 0.0, 90.0, 150.0, 90.0, 240.0);
373 AliMatrix(idrotm[2007], 0.0, 0.0, 90.0, 170.0, 90.0, 80.0);
374 AliMatrix(idrotm[2008], 180.0, 0.0, 90.0, 190.0, 90.0, 280.0);
375 AliMatrix(idrotm[2009], 180.0, 0.0, 90.0, 170.0, 90.0, 80.0);
376 AliMatrix(idrotm[2010], 0.0, 0.0, 90.0, 190.0, 90.0, 280.0);
377 AliMatrix(idrotm[2011], 0.0, 0.0, 90.0, 350.0, 90.0, 260.0);
378 AliMatrix(idrotm[2012], 180.0, 0.0, 90.0, 350.0, 90.0, 260.0);
379 AliMatrix(idrotm[2013], 180.0, 0.0, 90.0, 10.0, 90.0, 100.0);
380 AliMatrix(idrotm[2014], 0.0, 0.0, 90.0, 10.0, 90.0, 100.0);
381 AliMatrix(idrotm[2015], 0.0, 0.0, 90.0, 30.0, 90.0, 300.0);
382 AliMatrix(idrotm[2016], 180.0, 0.0, 90.0, 30.0, 90.0, 300.0);
383 AliMatrix(idrotm[2017], 180.0, 0.0, 90.0, 50.0, 90.0, 140.0);
384 AliMatrix(idrotm[2018], 0.0, 0.0, 90.0, 50.0, 90.0, 140.0);
385
386 AliMatrix(idrotm[2019], 180.0, 0.0, 90.0, 130.0, 90.0, 220.0);
387 AliMatrix(idrotm[2020], 180.0, 0.0, 90.0, 50.0, 90.0, 320.0);
388 AliMatrix(idrotm[2021], 180.0, 0.0, 90.0, 150.0, 90.0, 60.0);
389 AliMatrix(idrotm[2022], 180.0, 0.0, 90.0, 30.0, 90.0, 120.0);
390 AliMatrix(idrotm[2023], 180.0, 0.0, 90.0, 170.0, 90.0, 260.0);
391 AliMatrix(idrotm[2024], 180.0, 0.0, 90.0, 190.0, 90.0, 100.0);
392 AliMatrix(idrotm[2025], 180.0, 0.0, 90.0, 350.0, 90.0, 80.0);
393 AliMatrix(idrotm[2026], 180.0, 0.0, 90.0, 10.0, 90.0, 280.0);
394
395 AliMatrix(idrotm[2027], 0.0, 0.0, 90.0, 50.0, 90.0, 320.0);
396 AliMatrix(idrotm[2028], 0.0, 0.0, 90.0, 150.0, 90.0, 60.0);
397 AliMatrix(idrotm[2029], 0.0, 0.0, 90.0, 30.0, 90.0, 120.0);
398 AliMatrix(idrotm[2030], 0.0, 0.0, 90.0, 10.0, 90.0, 280.0);
399 AliMatrix(idrotm[2031], 0.0, 0.0, 90.0, 170.0, 90.0, 260.0);
400 AliMatrix(idrotm[2032], 0.0, 0.0, 90.0, 190.0, 90.0, 100.0);
401 AliMatrix(idrotm[2033], 0.0, 0.0, 90.0, 350.0, 90.0, 80.0);
7e5caa00 402
403 Float_t rd = 410.56;
4a8eca94 404 dz = (dymodU[1]+dymodU[0])/2.;
405 Float_t dz2 = (dymodU[1]+dymodU[2])/2.;
7e5caa00 406
407//
408// phi = 40
409//
410 Float_t phi = 40;
411 dx = rd * TMath::Sin(phi*kdeg2rad);
412 dy = rd * TMath::Cos(phi*kdeg2rad);
413
7e5caa00 414
4a8eca94 415 gMC->Gspos("B045", 1, "B076", -dx, dy, dz2, idrotm[2019], "ONLY");
416 gMC->Gspos("B045", 2, "B076", -dx, dy, -dz2, idrotm[2003], "ONLY"); // ?
417 gMC->Gspos("B045", 3, "B076", dx, dy, dz2, idrotm[2020], "ONLY");
418 gMC->Gspos("B045", 4, "B076", dx, dy, -dz2, idrotm[2027], "ONLY");
7e5caa00 419
7e5caa00 420
421//
422// phi = 60
423//
424
425 phi = 60;
426 dx = rd * TMath::Sin(phi*kdeg2rad);
427 dy = rd * TMath::Cos(phi*kdeg2rad);
7e5caa00 428
4a8eca94 429 gMC->Gspos("B045", 5, "B076", -dx, dy, dz2, idrotm[2021], "ONLY");
430 gMC->Gspos("B045", 6, "B076", -dx, dy, -dz2, idrotm[2028], "ONLY");
431 gMC->Gspos("B045", 7, "B076", dx, dy, dz2, idrotm[2022], "ONLY");
432 gMC->Gspos("B045", 8, "B076", dx, dy, -dz2, idrotm[2029], "ONLY");
7e5caa00 433
7e5caa00 434//
435// phi = 80
436//
437
438 phi = 80;
439 dx = rd * TMath::Sin(phi*kdeg2rad);
440 dy = rd * TMath::Cos(phi*kdeg2rad);
7e5caa00 441
4a8eca94 442 gMC->Gspos("B047", 13, "B076", -dx, -dy, dz, idrotm[2008], "ONLY");
443 gMC->Gspos("B047", 14, "B076", -dx, -dy, -dz, idrotm[2010], "ONLY");
444 gMC->Gspos("B047", 15, "B076", dx, -dy, dz, idrotm[2012], "ONLY");
445 gMC->Gspos("B047", 16, "B076", dx, -dy, -dz, idrotm[2011], "ONLY");
7e5caa00 446
4a8eca94 447 gMC->Gspos("B045", 9, "B076", -dx, dy, dz2, idrotm[2023], "ONLY");
448 gMC->Gspos("B045", 10, "B076", -dx, dy, -dz2, idrotm[2031], "ONLY");
449 gMC->Gspos("B045", 11, "B076", dx, dy, dz2, idrotm[2026], "ONLY");
450 gMC->Gspos("B045", 12, "B076", dx, dy, -dz2, idrotm[2030], "ONLY");
7e5caa00 451
4a8eca94 452 gMC->Gspos("B045", 13, "B076", -dx, -dy, dz2, idrotm[2024], "ONLY");
453 gMC->Gspos("B045", 14, "B076", -dx, -dy, -dz2, idrotm[2032], "ONLY");
454 gMC->Gspos("B045", 15, "B076", dx, -dy, dz2, idrotm[2025], "ONLY");
455 gMC->Gspos("B045", 16, "B076", dx, -dy, -dz2, idrotm[2033], "ONLY");
7e5caa00 456
4a8eca94 457 gMC->Gspos("BM49", 7, "B076", dx, -dy, 0., idrotm[2025], "ONLY");
458 gMC->Gspos("BM49", 8, "B076", -dx, -dy, 0., idrotm[2024], "ONLY");
7e5caa00 459
460
461// The internal frame
462//
463 char* module[3] = {"B071\0", "B074\0", "B075\0"};
464//
465//
466// Mother Volumes
467//
468 ptrd1[0] = 50.18;
469 ptrd1[1] = 70.35;
470// ptrd1[0] = 50.10;
471// ptrd1[1] = 70.20;
472
473 ptrd1[2] = 375.5;
474 ptrd1[3] = 57.2;
475 for (jmod = 0; jmod < 3; jmod++)
476 {
477 gMC->Gsvolu(module[jmod], "TRD1", kAir, ptrd1, 4);
478 }
5f9c2f9e 479// Position of Holes for PHOS (P) and RICH (R) starting at 6h
480// P P P - - R R R - - - - - - - - P P
481 Int_t mod[18] = {1, 1, 1, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1};
7e5caa00 482
483
484 Float_t r = 341.8;
485 Float_t rout1 = 410.564;
486 Float_t rout2 = 415.2;
487 Int_t modcount[3] = {0, 0, 0};
488
489 for (i=0; i<18; i++) {
490 Float_t phi = i*20.;
491 Float_t phi2 = 270+phi;
492 if (phi2 >= 360.) phi2-=360.;
493
494 dx = TMath::Sin(phi*kdeg2rad)*r;
495 dy = -TMath::Cos(phi*kdeg2rad)*r;
496 modcount[mod[i]]++;
497
4a8eca94 498 AliMatrix(idrotm[2034+i], 90.0, phi, 0., 0., 90., phi2);
499 gMC->Gspos(module[mod[i]], modcount[mod[i]], "B077", dx, dy, 0., idrotm[2034+i], "ONLY");
7e5caa00 500//
501// Position elements of outer Frame
502//
503 dx = TMath::Sin(phi*kdeg2rad)*rout1;
504 dy = -TMath::Cos(phi*kdeg2rad)*rout1;
505 for (j = 0; j < 3; j++)
506 {
4a8eca94 507 dz = dymodU[j];
508 gMC->Gspos("B042", 6*i+2*j+1, "B076", dx, dy, dz, idrotm[2034+i], "ONLY");
509 gMC->Gspos("B042", 6*i+2*j+2, "B076", dx, dy, -dz, idrotm[2034+i], "ONLY");
7e5caa00 510 }
511
512 phi = i*20.+10;
513 phi2 = 270+phi;
4a8eca94 514 AliMatrix(idrotm[2052+i], 90.0, phi, 90., phi2, 0., 0.);
7e5caa00 515
516 dx = TMath::Sin(phi*kdeg2rad)*rout2;
517 dy = -TMath::Cos(phi*kdeg2rad)*rout2;
4a8eca94 518 gMC->Gspos("B033", i+1, "B076", dx, dy, 0., idrotm[2052+i], "ONLY");
7e5caa00 519//
520 }
521// Internal Frame rings
522//
523//
524// new specs: 40x100x6 for inner rings
525// 30x135x6 for front and rear rings
526//
527// currently no distinction between front/rear and inner rings
528//
529//
530//
531 pbox[0] = 50.;
532 pbox[1] = ringW/2.;
533 pbox[2] = ringH/2.;
534
535 gMC->Gsvolu("B072", "BOX ", kSteel, pbox, 3);
536
537 pbox[1] = pbox[1] - 0.6;
538 pbox[2] = pbox[2] - 0.6;
539 gMC->Gsvolu("B073", "BOX ", kAir, pbox, 3);
540 gMC->Gspos("B073", 1, "B072", 0., 0., 0., 0, "ONLY");
541
542// Web frame 0-degree
543//
544// h x w x s = 60x40x4
545// (attention: element is are half bars, "U" shaped)
546//
4a8eca94 547 dz = 106.2;
548 d = 2.*dwl;
549 h = dymodU[0]-dymodL[0];
550 dq = h*h+dz*dz;
551
552 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
7e5caa00 553
4a8eca94 554 theta = TMath::ACos(x);
555 Float_t thetaP = (TMath::Pi()-theta)*krad2deg;
556
557 ptrap[0] = dz/2.;
558 ptrap[1] = thetaP;
559 ptrap[2] = 0.;
560 ptrap[3] = dwh;
561 ptrap[4] = dwl/cos(theta);
562 ptrap[5] = ptrap[4];
563 ptrap[6] = 0;
564 ptrap[7] = ptrap[3];
565 ptrap[8] = ptrap[4];
566 ptrap[9] = ptrap[4];
567 ptrap[10] = 0;
568 gMC->Gsvolu("B063", "TRAP", kSteel, ptrap, 11);
569 ptrap[3] = dwh - 0.2;
570 ptrap[4] = (dwl-0.4)/cos(theta);
571 ptrap[5] = ptrap[4];
572 ptrap[7] = ptrap[3];
573 ptrap[8] = ptrap[4];
574 ptrap[9] = ptrap[4];
575 gMC->Gsvolu("B064", "TRAP", kAir, ptrap, 11);
576 gMC->Gspos("B064", 1, "B063", 0.0, -0.2, 0., 0, "ONLY");
577
578
579 h = 106.2;
580 d = 2.*dwl;
581 dz = dymodU[1]-dymodL[1];
582 dq = h*h+dz*dz;
583
584 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
585
586
587 theta = krad2deg * TMath::ACos(x);
588
589 ptrap[0] = dz/2.;
590 ptrap[1] = theta;
591 ptrap[2] = 0.;
592 ptrap[3] = dwh;
593 ptrap[4] = dwl/x;
594 ptrap[5] = ptrap[4];
595 ptrap[6] = 0;
596 ptrap[7] = ptrap[3];
597 ptrap[8] = ptrap[4];
598 ptrap[9] = ptrap[4];
599 ptrap[10] = 0;
600 gMC->Gsvolu("B163", "TRAP", kSteel, ptrap, 11);
601 ptrap[3] = dwh - 0.2;
602 ptrap[4] = (dwl-0.4)/x;
603 ptrap[5] = ptrap[4];
604 ptrap[7] = ptrap[3];
605 ptrap[8] = ptrap[4];
606 ptrap[9] = ptrap[4];
607 gMC->Gsvolu("B164", "TRAP", kAir, ptrap, 11);
608 gMC->Gspos("B164", 1, "B163", 0.0, -0.2, 0., 0, "ONLY");
609
610
7e5caa00 611 pbox[0] = dwh;
612 pbox[1] = dwl;
613 pbox[2] = (iFrH-ringH-longH)/2.;
4a8eca94 614 gMC->Gsvolu("B263", "BOX ", kSteel, pbox, 3);
7e5caa00 615 pbox[0] = dwh-0.2;
616 pbox[1] = dwl-0.4;
617
4a8eca94 618 gMC->Gsvolu("B264", "BOX ", kAir, pbox, 3);
619 gMC->Gspos("B264", 1, "B263", 0.2, 0., 0., 0, "ONLY");
620
621
622 AliMatrix(idrotm[2070], 90.0, 0.0, 90.0, 270.0, 0.0, 0.0);
623//
624 AliMatrix(idrotm[2071], 100.0, 0.0, 90.0, 270.0, 10.0, 0.0);
625 AliMatrix(idrotm[2072], 100.0, 0.0, 90.0, 90.0, 10.0, 0.0);
626 AliMatrix(idrotm[2073], 100.0, 180.0, 90.0, 270.0, 10.0, 180.0);
627 AliMatrix(idrotm[2074], 100.0, 180.0, 90.0, 90.0, 10.0, 180.0);
628//
629 AliMatrix(idrotm[2075], 10.0, 0.0, 80.0, 180.0, 90.0, 90.0);
630 AliMatrix(idrotm[2076], 10.0, 0.0, 80.0, 180.0, 90.0, 270.0);
631 AliMatrix(idrotm[2077], 10.0, 180.0, 80.0, 0.0, 90.0, 90.0);
632 AliMatrix(idrotm[2078], 10.0, 180.0, 80.0, 0.0, 90.0, 270.0);
633//
634 AliMatrix(idrotm[2079], 170.0, 180.0, 80.0, 180.0, 90.0, 90.0);
635 AliMatrix(idrotm[2080], 170.0, 180.0, 80.0, 180.0, 90.0, 270.0);
636 AliMatrix(idrotm[2081], 170.0, 0.0, 80.0, 0.0, 90.0, 90.0);
637 AliMatrix(idrotm[2082], 170.0, 0.0, 80.0, 0.0, 90.0, 270.0);
638
639//
640 AliMatrix(idrotm[2083], 170.0, 0.0, 90.0, 90.0, 80.0, 0.0);
641 AliMatrix(idrotm[2084], 170.0, 180.0, 90.0, 90.0, 80.0, 180.0);
642 AliMatrix(idrotm[2085], 90.0, 180.0, 90.0, 90.0, 0.0, 0.0);
643//
644 AliMatrix(idrotm[2086], 90.0, 90.0, 100.0, 0., 170.0, 180.0);
645 AliMatrix(idrotm[2087], 90.0, 90.0, 100.0, 0., 10.0, 0.0);
646 AliMatrix(idrotm[2088], 90.0, 90.0, 80.0, 0., 170.0, 0.0);
647 AliMatrix(idrotm[2089], 90.0, 90.0, 80.0, 0., -10.0, 0.0);
648
7e5caa00 649//
650// web frame diagonal (outer)
651//
652 h = 106.2;
653 d = 2.*dwl;
4a8eca94 654 dz = dymodL[2]-dymodU[1]-dwl;
7e5caa00 655 dq = h*h+dz*dz;
656
657 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
658
659
660 theta = krad2deg * TMath::ACos(x);
661
662 ptrap[0] = dz/2.;
663 ptrap[1] = theta;
664 ptrap[2] = 0.;
665 ptrap[3] = dwh;
666 ptrap[4] = dwl/x;
667 ptrap[5] = ptrap[4];
668 ptrap[6] = 0;
669 ptrap[7] = ptrap[3];
670 ptrap[8] = ptrap[4];
671 ptrap[9] = ptrap[4];
672 ptrap[10] = 0;
673 gMC->Gsvolu("B065", "TRAP", kSteel, ptrap, 11);
674 ptrap[3] = dwh - 0.2;
675 ptrap[4] = (dwl-0.4)/x;
676 ptrap[5] = ptrap[4];
677 ptrap[7] = ptrap[3];
678 ptrap[8] = ptrap[4];
679 ptrap[9] = ptrap[4];
680 gMC->Gsvolu("B066", "TRAP", kAir, ptrap, 11);
681 gMC->Gspos("B066", 1, "B065", 0.0, -0.2, 0., 0, "ONLY");
682
683//
684// web frame diagonal (inner)
685//
4a8eca94 686 dz = dymodL[1]-dymodU[0];
7e5caa00 687 dq = h*h+dz*dz;
4a8eca94 688 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
7e5caa00 689
690
691 theta = krad2deg * TMath::ACos(x);
692
4a8eca94 693 ptrap[0] = (dymodL[1]-dymodU[0])/2.;
7e5caa00 694 ptrap[1] = theta;
695 ptrap[2] = 0.;
696 ptrap[3] = dwh;
697 ptrap[4] = dwl/x;
698 ptrap[5] = ptrap[4];
699 ptrap[6] = 0;
700 ptrap[7] = ptrap[3];
701 ptrap[8] = ptrap[4];
702 ptrap[9] = ptrap[4];
703 ptrap[10] = 0;
704 gMC->Gsvolu("B067", "TRAP", kSteel, ptrap, 11);
705 ptrap[3] = dwh-0.2;
706 ptrap[4] = (dwl-0.4)/x;
707 ptrap[5] = ptrap[4];
708 ptrap[7] = ptrap[3];
709 ptrap[8] = ptrap[4];
710 ptrap[9] = ptrap[4];
711 gMC->Gsvolu("B068", "TRAP", kAir, ptrap, 11);
712 gMC->Gspos("B068", 1, "B067", 0.0, -0.2, 0., 0, "ONLY");
713
714
715 dz = -iFrH/2.+ringH/2.+kEps;
716
717 for (i = 0; i< 3; i++)
718 {
719// ring bars
720 for (jmod = 0; jmod<3; jmod++) {
4a8eca94 721 gMC->Gspos("B072", 6*i+jmod+1, module[jmod], 0, dymodL[i], dz, 0, "ONLY");
722 gMC->Gspos("B072", 6*i+jmod+4, module[jmod], 0, -dymodL[i], dz, idrotm[2070], "ONLY");
7e5caa00 723
724// 0-deg web
4a8eca94 725 if (i==2) {
726 gMC->Gspos("B263", 12*i+jmod+1, module[jmod], 60.0732, dymodU[i], 4.6669, idrotm[2072], "ONLY");
727 gMC->Gspos("B263", 12*i+jmod+4, module[jmod], 60.0732, -dymodU[i], 4.6669, idrotm[2071], "ONLY");
728 gMC->Gspos("B263", 12*i+jmod+7, module[jmod], -60.0732, dymodU[i], 4.6669, idrotm[2074], "ONLY");
729 gMC->Gspos("B263", 12*i+jmod+10, module[jmod], -60.0732, -dymodU[i], 4.6669, idrotm[2073], "ONLY");
730 }
7e5caa00 731 }
732 }
733
734// outer diagonal web
735
4a8eca94 736 dy = (dymodU[0]+dymodL[0])/2.;
737 for (jmod = 0; jmod<3; jmod++) {
738 gMC->Gspos("B063", 4*jmod+1, module[jmod], 60.0732, dy, 4.6669, idrotm[2086], "ONLY");
739 gMC->Gspos("B063", 4*jmod+2, module[jmod], 60.0732, -dy, 4.6669, idrotm[2087], "ONLY");
740 gMC->Gspos("B063", 4*jmod+3, module[jmod], -60.0732, dy, 4.6669, idrotm[2088], "ONLY");
741 gMC->Gspos("B063", 4*jmod+4, module[jmod], -60.0732, -dy, 4.6669, idrotm[2089], "ONLY");
742 }
743
744 dy = (dymodU[1]+dymodL[1])/2.;
745 for (jmod = 0; jmod<3; jmod++) {
746 gMC->Gspos("B163", 4*jmod+1, module[jmod], 60.0732, dy, 4.6669, idrotm[2080], "ONLY");
747 gMC->Gspos("B163", 4*jmod+2, module[jmod], 60.0732, -dy, 4.6669, idrotm[2079], "ONLY");
748 gMC->Gspos("B163", 4*jmod+3, module[jmod], -60.0732, dy, 4.6669, idrotm[2082], "ONLY");
749 gMC->Gspos("B163", 4*jmod+4, module[jmod], -60.0732, -dy, 4.6669, idrotm[2081], "ONLY");
750 }
751
752
753 dy = (dymodL[2]+dymodU[1])/2.-dwl/2.;
7e5caa00 754 for (jmod = 0; jmod<3; jmod++) {
4a8eca94 755 gMC->Gspos("B065", 4*jmod+1, module[jmod], 60.0732, dy, 4.6669, idrotm[2076], "ONLY");
756 gMC->Gspos("B065", 4*jmod+2, module[jmod], 60.0732, -dy, 4.6669, idrotm[2075], "ONLY");
757 gMC->Gspos("B065", 4*jmod+3, module[jmod], -60.0732, dy, 4.6669, idrotm[2078], "ONLY");
758 gMC->Gspos("B065", 4*jmod+4, module[jmod], -60.0732, -dy, 4.6669, idrotm[2077], "ONLY");
7e5caa00 759 }
760
761
4a8eca94 762 dy = (dymodL[1]+dymodU[0])/2.;
7e5caa00 763
764 for (jmod = 0; jmod<3; jmod++) {
4a8eca94 765 gMC->Gspos("B067", 4*jmod+1, module[jmod], 60.0732, dy, 4.6669, idrotm[2076], "ONLY");
766 gMC->Gspos("B067", 4*jmod+2, module[jmod], 60.0732, -dy, 4.6669, idrotm[2075], "ONLY");
767 gMC->Gspos("B067", 4*jmod+3, module[jmod], -60.0732, dy, 4.6669, idrotm[2078], "ONLY");
768 gMC->Gspos("B067", 4*jmod+4, module[jmod], -60.0732, -dy, 4.6669, idrotm[2077], "ONLY");
7e5caa00 769 }
770
771// longitudinal bars (TPC rails attached)
772// new specs:
773// h x w x s = 100 x 75 x 6
774// current:
775// Attention: 2 "U" shaped half rods per cell
776//
777// not yet used
778//
779 ptrap[0] = 2.50;
780 ptrap[1] = 10.00;
781 ptrap[2] = 0.00;
782 ptrap[3] = 350.00;
783 ptrap[4] = 3.75;
784 ptrap[5] = ptrap[4];
785 ptrap[6] = 0;
786 ptrap[7] = ptrap[3];
787 ptrap[8] = ptrap[4];
788 ptrap[9] = ptrap[4];
789 ptrap[10] = 0;
f935f49e 790// gMC->Gsvolu("B059", "TRAP", kSteel, ptrap, 11);
7e5caa00 791 ptrap[0] = 2.2;
792 ptrap[4] = 2.15;
793 ptrap[5] = ptrap[4];
794 ptrap[7] = ptrap[3];
795 ptrap[8] = ptrap[4];
796 ptrap[9] = ptrap[4];
f935f49e 797 //gMC->Gsvolu("B062", "TRAP", kAir, ptrap, 11);
798 //gMC->Gspos("B062", 1, "B059", 0.0, 0., 0., 0, "ONLY");
799
7e5caa00 800//
801// longitudinal bars (no TPC rails attached)
802// new specs: h x w x s = 60 x 60 x 3
803// (was: 75 x 100 x 5?)
804//
805//
806//
807 ptrap[0] = longW/4.;
808 ptrap[4] = longH/2.;
809 ptrap[5] = ptrap[4];
810 ptrap[7] = ptrap[3];
811 ptrap[8] = ptrap[4];
812 ptrap[9] = ptrap[4];
813
814 gMC->Gsvolu("BA59", "TRAP", kSteel, ptrap, 11);
815 ptrap[0] = longW/4.-0.15;
816 ptrap[4] = longH/2.-0.30;
817 ptrap[5] = ptrap[4];
818 ptrap[7] = ptrap[3];
819 ptrap[8] = ptrap[4];
820 ptrap[9] = ptrap[4];
821 gMC->Gsvolu("BA62", "TRAP", kAir, ptrap, 11);
822 gMC->Gspos("BA62", 1, "BA59", 0.0, 0.0, -0.15, 0, "ONLY");
823
824 dz = -iFrH/2.+ringH+longH/2.;
825
826 for (jmod = 0; jmod<3; jmod++) {
4a8eca94 827 gMC->Gspos("BA59", 2*jmod+1, module[jmod], 49.6476, 0.0, dz, idrotm[2084], "ONLY");
828 gMC->Gspos("BA59", 2*jmod+2, module[jmod], -49.6476, 0.0, dz, idrotm[2083], "ONLY");
7e5caa00 829 }
830//
831//
832// Spacer between TRD and TOF modules
833 ptrap[0] = 0.99;
834 ptrap[1] = 10.00;
835 ptrap[2] = 0.00;
836 ptrap[3] = 350.00;
837 ptrap[4] = 0.9;
838 ptrap[5] = ptrap[4];
839 ptrap[6] = 0;
840 ptrap[7] = ptrap[3];
841 ptrap[8] = ptrap[4];
842 ptrap[9] = ptrap[4];
843 ptrap[10] = 0;
844 gMC->Gsvolu("B056", "TRAP", kSteel, ptrap, 11);
845 for (jmod = 0; jmod<3; jmod++) {
846 gMC->Gspos("B056", 2*jmod+1, module[jmod], 61.9607, 0.0, 27.2, 0 , "ONLY");
4a8eca94 847 gMC->Gspos("B056", 2*jmod+2, module[jmod], -61.9607, 0.0, 27.2, idrotm[2085], "ONLY");
7e5caa00 848 }
849//
850// Mother volumes for TRD and TOF
851//
852 if (!fHoles) {
d03c72a2 853 printf("\n FRAME Version without Holes !");
7e5caa00 854 ptrd1[0] = 49.8065;
855 ptrd1[1] = 62.8535;
856 ptrd1[2] = 375.5;
857 ptrd1[3] = 37.;
858 gMC->Gsvolu("BTR1", "TRD1", kAir, ptrd1, 4);
859 gMC->Gsvolu("BTR2", "TRD1", kAir, ptrd1, 4);
860 gMC->Gsvolu("BTR3", "TRD1", kAir, ptrd1, 4);
861
862 ptrd1[0] = 63.2061;
863 ptrd1[1] = 68.3192;
864 ptrd1[2] = 375.5;
865 ptrd1[3] = 14.5;
866 gMC->Gsvolu("BTO1", "TRD1", kAir, ptrd1, 4);
867 gMC->Gsvolu("BTO2", "TRD1", kAir, ptrd1, 4);
868 gMC->Gsvolu("BTO3", "TRD1", kAir, ptrd1, 4);
869
870 gMC->Gspos("BTR1", 1, "B071", 0., 0., -10.8, 0, "ONLY");
871 gMC->Gspos("BTR2", 1, "B074", 0., 0., -10.8, 0, "ONLY");
872 gMC->Gspos("BTR3", 1, "B075", 0., 0., -10.8, 0, "ONLY");
873
874 gMC->Gspos("BTO1", 1, "B071", 0., 0., 42.69, 0, "ONLY");
875 gMC->Gspos("BTO2", 1, "B074", 0., 0., 42.69, 0, "ONLY");
876 gMC->Gspos("BTO3", 1, "B075", 0., 0., 42.69, 0, "ONLY");
877 } else {
d03c72a2 878 printf("\n FRAME Version with Holes !");
7e5caa00 879 ptrd1[0] = 49.8065;
880 ptrd1[1] = 62.8535;
881 ptrd1[2] = 375.5;
882 ptrd1[3] = 37;
883 gMC->Gsvolu("BTR1", "TRD1", kAir, ptrd1, 4);
884 ptrd1[2] = 156.75;
885 gMC->Gsvolu("BTR2", "TRD1", kAir, ptrd1, 4);
886 ptrd1[2] = 79.75;
887 gMC->Gsvolu("BTR3", "TRD1", kAir, ptrd1, 4);
888
889 ptrd1[0] = 63.2061;
890 ptrd1[1] = 68.3192;
891 ptrd1[2] = 375.5;
892 ptrd1[3] = 14.5;
893 gMC->Gsvolu("BTO1", "TRD1", kAir, ptrd1, 4);
894 ptrd1[2] = 156.75;
895 gMC->Gsvolu("BTO2", "TRD1", kAir, ptrd1, 4);
896 ptrd1[2] = 79.75;
897 gMC->Gsvolu("BTO3", "TRD1", kAir, ptrd1, 4);
898
7e5caa00 899
4c057bc8 900 gMC->Gspos("BTR1", 1, "B071", 0., 0.00, -10.8, 0, "ONLY");
901 gMC->Gspos("BTR2", 1, "B074", 0., -218.75, -10.8, idrotm[2070], "ONLY");
902 gMC->Gspos("BTR2", 2, "B074", 0., 218.75, -10.8, 0, "ONLY");
903 gMC->Gspos("BTR3", 1, "B075", 0., -295.75, -10.8, idrotm[2070], "ONLY");
904 gMC->Gspos("BTR3", 2, "B075", 0., 295.75, -10.8, 0, "ONLY");
905
906 gMC->Gspos("BTO1", 1, "B071", 0., 0.00, 42.69, 0, "ONLY");
907 gMC->Gspos("BTO2", 1, "B074", 0., -218.75, 42.69, idrotm[2070], "ONLY");
908 gMC->Gspos("BTO2", 2, "B074", 0., 218.75, 42.69, 0, "ONLY");
909 gMC->Gspos("BTO3", 1, "B075", 0., -295.75, 42.69, idrotm[2070], "ONLY");
910 gMC->Gspos("BTO3", 2, "B075", 0., 295.75, 42.69, 0, "ONLY");
7e5caa00 911 }
b35d7d26 912
913//
914// Geometry of Rails starts here
915//
916//
917//
918// Rails for space-frame
919//
920 Float_t rbox[3];
921
922 rbox[0] = 25.00;
923 rbox[1] = 27.50;
924 rbox[2] = 600.00;
925 gMC->Gsvolu("BRS1", "BOX", kAir, rbox, 3);
926
927 rbox[0] = 25.00;
928 rbox[1] = 3.75;
929 gMC->Gsvolu("BRS2", "BOX", kSteel, rbox, 3);
930
931 rbox[0] = 3.00;
932 rbox[1] = 20.00;
933 gMC->Gsvolu("BRS3", "BOX", kSteel, rbox, 3);
934
935 gMC->Gspos("BRS2", 1, "BRS1", 0., -27.5+3.75, 0., 0, "ONLY");
936 gMC->Gspos("BRS2", 2, "BRS1", 0., 27.5-3.75, 0., 0, "ONLY");
937 gMC->Gspos("BRS3", 1, "BRS1", 0., 0., 0., 0, "ONLY");
938 gMC->Gspos("BRS1", 1, "ALIC", -430.-3., -180., 0., 0, "ONLY");
939 gMC->Gspos("BRS1", 2, "ALIC", 430.+3., -180., 0., 0, "ONLY");
940
941 rbox[0] = 3.0;
e16311cb 942 rbox[1] = 145./2.;
b35d7d26 943 rbox[2] = 25.0;
944 gMC->Gsvolu("BRS4", "BOX", kSteel, rbox, 3);
945
946 gMC->Gspos("BRS4", 1, "ALIC", 430.+3., -180.+55./2.+rbox[1], 224., 0, "ONLY");
947 gMC->Gspos("BRS4", 2, "ALIC", 430.+3., -180.+55./2.+rbox[1], -224., 0, "ONLY");
948 gMC->Gspos("BRS4", 3, "ALIC", -430.-3., -180.+55./2.+rbox[1], 224., 0, "ONLY");
949 gMC->Gspos("BRS4", 4, "ALIC", -430.-3., -180.+55./2.+rbox[1], -224., 0, "ONLY");
950
951//
952// Rails for EMCAL
953//
954/*
955 rbox[0] = 27.50;
956 rbox[1] = 32.50;
957 gMC->Gsvolu("BRE1", "BOX", kAir, rbox, 3);
958
959 rbox[0] = 27.50;
960 rbox[1] = 2.50;
961 gMC->Gsvolu("BRE2", "BOX", kSteel, rbox, 3);
962
963 rbox[0] = 0.50;
964 rbox[1] = 27.50;
965 gMC->Gsvolu("BRE3", "BOX", kSteel, rbox, 3);
966
967 gMC->Gspos("BRE2", 1, "BRE1", 0., -32.5+2.50, 0., 0, "ONLY");
968 gMC->Gspos("BRE2", 2, "BRE1", 0., 32.5-2.50, 0., 0, "ONLY");
969 gMC->Gspos("BRE3", 1, "BRE1", -20., 0., 0., 0, "ONLY");
970 gMC->Gspos("BRE3", 2, "BRE1", 20., 0., 0., 0, "ONLY");
971 gMC->Gspos("BRE1", 1, "ALIC", -496., -190., 0., 0, "ONLY");
972 gMC->Gspos("BRE1", 2, "ALIC", 496., -190., 0., 0, "ONLY");
973*/
7e5caa00 974}
975
976
977//___________________________________________
978void AliFRAMEv2::CreateMaterials()
979{
eeacf08b 980 // Creates the materials
7e5caa00 981 Float_t epsil, stemax, tmaxfd, deemax, stmin;
982
983 epsil = 1.e-4; // Tracking precision,
984 stemax = -0.01; // Maximum displacement for multiple scat
985 tmaxfd = -20.; // Maximum angle due to field deflection
986 deemax = -.3; // Maximum fractional energy loss, DLS
987 stmin = -.8;
988 Int_t isxfld = gAlice->Field()->Integ();
989 Float_t sxmgmx = gAlice->Field()->Max();
990
991 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
992 Float_t zsteel[4] = { 26.,24.,28.,14. };
993 Float_t wsteel[4] = { .715,.18,.1,.005 };
994
995 AliMixture(65, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
996 AliMaterial(5, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.);
997 AliMedium(65, "Stainless Steel", 65, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
998 AliMedium( 5, "Air ", 5, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
999}
1000
1001//_____________________________________________________________________________
1002void AliFRAMEv2::Init()
1003{
1004 //
1005 // Initialise the module after the geometry has been defined
1006 //
0a05c568 1007 if(fDebug) {
1008 printf("%s: **************************************"
1009 " FRAME "
1010 "**************************************\n",ClassName());
1011 printf("\n%s: Version 2 of FRAME initialised, symmetric FRAME\n\n",ClassName());
1012 printf("%s: **************************************"
1013 " FRAME "
1014 "**************************************\n",ClassName());
1015 }
55bdc695 1016//
1017// The reference volume id
1018 fRefVolumeId = gMC->VolId("BREF");
7e5caa00 1019}
1020
6304e7d2 1021Int_t AliFRAMEv2::IsVersion() const
1022{
eeacf08b 1023 // Returns the version of the FRAME (1 if no holes, 0 otherwise)
6304e7d2 1024 Int_t version = 0;
1025 if (fHoles == 0) version = 1;
1026 return version;
1027}
7e5caa00 1028
55bdc695 1029void AliFRAMEv2::StepManager()
1030{
1031//
1032// Stepmanager of AliFRAMEv2.cxx
1033// Used for recording of reference tracks entering the spaceframe mother volume
1034//
1035 Int_t copy, id;
1036
1037 //
1038 // Only charged tracks
1039 if( !(gMC->TrackCharge()) ) return;
1040 //
1041 // Only tracks entering mother volume
1042 //
1043
1044 id=gMC->CurrentVolID(copy);
1045
1046 if (id != fRefVolumeId) return;
1047 if(!gMC->IsTrackEntering()) return;
1048 //
1049 // Add the reference track
1050 //
642f15cf 1051 AddTrackReference(gAlice->GetCurrentTrackNumber());
55bdc695 1052}
7e5caa00 1053
55bdc695 1054
7e5caa00 1055
1056
1057
1058