1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
18 Revision 1.15 2002/05/28 08:47:38 morsch
19 Reduces size of pillars to avoid overlap with DIPO.
21 Revision 1.14 2001/11/16 12:38:26 morsch
22 Reverse z-ordering in HMBS. (I. Hrivnacova)
24 Revision 1.13 2001/06/21 12:26:52 morsch
25 Simple concrete shielding around compensator dipole.
27 Revision 1.12 2001/06/20 16:08:56 morsch
28 Remove some shielding to accomodate compensator magnet.
30 Revision 1.11 2001/05/16 14:57:22 alibrary
31 New files for folders and Stack
33 Revision 1.10 2000/10/02 21:28:15 fca
34 Removal of useless dependecies via forward declarations
36 Revision 1.9 2000/06/13 14:55:26 morsch
37 Unused variables removed
39 Revision 1.8 2000/06/11 12:35:41 morsch
40 Coding rule violations corrected
42 Revision 1.7 2000/01/12 15:33:28 morsch
45 Revision 1.6 1999/09/29 09:24:30 fca
46 Introduction of the Copyright and cvs Log
50 ///////////////////////////////////////////////////////////////////////////////
52 // Experimental Hall //
53 // This class contains the description of the experimental hall //
57 <img src="picts/AliHALLClass.gif">
60 <font size=+2 color=red>
61 <p>The responsible person for this module is
62 <a href="mailto:andreas.morsch@cern.ch">Andreas Morsch</a>.
69 ///////////////////////////////////////////////////////////////////////////////
79 //_____________________________________________________________________________
83 // Default constructor for the experimental Hall
87 //_____________________________________________________________________________
88 AliHALL::AliHALL(const char *name, const char *title)
89 : AliModule(name,title)
92 // Standard constructor for the experimental Hall
99 //_____________________________________________________________________________
100 void AliHALL::CreateGeometry()
103 // Create the geometry of the exprimental hall
107 <img src="picts/AliHALLTree.gif">
111 // If ZDC is not present the experimental hall includes a short
112 // section of the accelerator tunnel
116 <img src="picts/AliHALLSmall.gif">
120 // If ZDC is present the experimental hall includes the accelerator
121 // tunnel beyond the ZDC
125 <img src="picts/AliHALLLarge.gif">
131 Float_t phid, phim, tpar[3], pbox[3], h, r, tspar[5];
132 Float_t w1, dh, am, bm, dl,cm, hm, dr, dx, xl;
134 Float_t trdpar[4], trapar[11], hullen;
137 Int_t *idtmed = fIdtmed->GetArray()-1899;
139 // RB24/26 TUNNEL FLOOR
143 phi = TMath::ACos(h / r);
144 xl = r * TMath::Sin(phi);
146 dh = dr * TMath::Cos(phi);
147 dl = dr * TMath::Sin(phi);
148 if (gAlice->GetModule("ZDC") == 0) {
161 AliMatrix(idrotm[1900], 90., 0., 0., 0., 90., 90.);
162 AliMatrix(idrotm[1901], 270., 0., 90., 90., 0., 0.);
163 gMC->Gsvolu("HUFL", "TRD1", idtmed[1956], trdpar, 4);
165 gMC->Gspos("HUFL", 1, "ALIC", 70.,-100-trdpar[3] , r2, idrotm[1900], "ONLY");
173 tspar[3] = phid - 90.;
174 tspar[4] = 270. - phid;
175 gMC->Gsvolu("HUWA", "TUBS", idtmed[1956], tspar, 5);
176 gMC->Gspos("HUWA", 1, "ALIC", 70., 40.,2020+hullen , 0, "ONLY");
183 gMC->Gsvolu("HUP2", "TUBE", idtmed[1954], tpar, 3);
190 gMC->Gsvolu("HEW1", "BOX ", idtmed[1956], pbox, 3);
191 gMC->Gspos("HUP2", 1, "HEW1", 0.,-404., 0., 0, "ONLY");
192 gMC->Gspos("HEW1", 1, "ALIC", 0., 404., 1960, 0, "ONLY");
198 trdpar[1] = TMath::Tan(phid * kDegrad) * 190. + 700.;
201 gMC->Gsvolu("HHF1", "TRD1", idtmed[1956], trdpar, 4);
202 gMC->Gspos("HHF1", 1, "ALIC", 0., -801., 1350., idrotm[1900], "ONLY");
203 gMC->Gspos("HHF1", 2, "ALIC", 0., -801.,-1350., idrotm[1900], "ONLY");
210 trapar[3] = 1273.78/2;
213 trapar[6] = TMath::ATan((trapar[4] - trapar[5]) / 2. / trapar[3]) * kRaddeg;
214 trapar[7] = trapar[3];
215 trapar[8] = trapar[4];
216 trapar[9] = trapar[5];
217 trapar[10] = trapar[6];
218 dx = trapar[4] * 1.5 + 700. - trapar[5] * .5;
219 gMC->Gsvolu("HHW1", "TRAP", idtmed[1956], trapar, 11);
220 gMC->Gspos("HHW1", 1, "ALIC", dx, -896+trapar[3], 1350., 0, "ONLY");
221 gMC->Gspos("HHW1", 2, "ALIC",-dx, -896+trapar[3], 1350., idrotm[1901], "ONLY");
222 gMC->Gspos("HHW1", 3, "ALIC", dx, -896+trapar[3], -1350., 0, "ONLY");
223 gMC->Gspos("HHW1", 4, "ALIC",-dx, -896+trapar[3], -1350., idrotm[1901], "ONLY");
225 pbox[1] = (500. - (trapar[3] * 2. - 896.)) / 2.;
227 gMC->Gsvolu("HBW1", "BOX ", idtmed[1956], pbox, 3);
228 gMC->Gspos("HBW1", 1, "ALIC", 1120., 500-pbox[1], 0., 0, "ONLY");
229 gMC->Gspos("HBW1", 2, "ALIC", -1120., 500-pbox[1], 0., 0, "ONLY");
231 // slanted wall close to L3 magnet
235 //rm = hm / TMath::Cos(phim / 2. * kDegrad);
236 am = hm * TMath::Tan(phim / 2. * kDegrad);
237 bm = (hm + 76.) / hm * am;
238 cm = bm * 2. / TMath::Sqrt(2.);
242 trapar[3] = (1273.78 - cm) / 2.;
243 trapar[4] = 235. - cm * TMath::Tan(phid * kDegrad) / 2.;
245 trapar[6] = TMath::ATan((trapar[4] - trapar[5]) / 2. / trapar[3]) * kRaddeg;
246 trapar[7] = trapar[3];
247 trapar[8] = trapar[4];
248 trapar[9] = trapar[5];
249 trapar[10] = trapar[6];
251 dx = cm*TMath::Tan(phid * kDegrad) + 700. + trapar[4] * 1.5 - trapar[5] * .5;
252 gMC->Gsvolu("HHW2", "TRAP", idtmed[1956], trapar, 11);
253 r2 = cm - 896. + trapar[3];
254 gMC->Gspos("HHW2", 1, "ALIC", dx, r2, 0., 0, "ONLY");
255 gMC->Gspos("HHW2", 2, "ALIC",-dx, r2, 0., idrotm[1901], "ONLY");
257 trapar[4] = w1 + cm / 2.;
259 trapar[6] = TMath::ATan(.5) * kRaddeg;
260 trapar[7] = trapar[3];
261 trapar[8] = trapar[4];
262 trapar[9] = trapar[5];
263 trapar[10] = trapar[6];
264 dx = 1170. - trapar[4] * .5 - trapar[5] * .5;
265 gMC->Gsvolu("HHW3", "TRAP", idtmed[1956], trapar, 11);
266 r2 = trapar[3] - 896.;
267 gMC->Gspos("HHW3", 1, "ALIC", dx, r2, 0., 0, "ONLY");
268 gMC->Gspos("HHW3", 2, "ALIC",-dx, r2, 0., idrotm[1901], "ONLY");
276 gMC->Gsvolu("HHC1", "TUBS", idtmed[1956], tspar, 5);
277 gMC->Gspos("HHC1", 1, "ALIC", 0., 500., 0., 0, "ONLY");
278 trdpar[0] = 1170 - trapar[4] * 2.;
279 trdpar[1] = trdpar[0] + TMath::Tan(phim * kDegrad) * 76.;
282 gMC->Gsvolu("HHF2", "TRD1", idtmed[1956], trdpar, 4);
283 gMC->Gspos("HHF2", 1, "ALIC", 0., -858., 0., idrotm[1900], "ONLY");
285 // pillars for working platform
290 gMC->Gsvolu("HPIL", "BOX ", idtmed[1956], pbox, 3);
291 gMC->Gspos("HPIL", 1, "ALIC", 165.,-706+pbox[1] , 1350., 0, "ONLY");
292 gMC->Gspos("HPIL", 2, "ALIC",-165.,-706+pbox[1] , 1350., 0, "ONLY");
294 // simple concrete beam shield
308 gMC->Gsvolu("HMBS", "PGON", idtmed[1956], ppgon, 10);
309 gMC->Gspos("HMBS", 1, "ALIC", 0., 70., 0., 0, "ONLY");
317 gMC->Gsvolu("HMBT", "PGON", idtmed[1956], ppgon, 10);
325 gMC->Gsvolu("HMBU", "PGON", idtmed[1954], ppgon, 10);
327 gMC->Gspos("HMBU", 1, "HMBT", 0., -70., 0., 0, "ONLY");
329 gMC->Gspos("HMBT", 1, "ALIC", 0., 70., 0., 0, "ONLY");
333 //_____________________________________________________________________________
334 void AliHALL::CreateMaterials()
337 // Create materials for the experimental hall
341 Int_t isxfld = gAlice->Field()->Integ();
342 Float_t sxmgmx = gAlice->Field()->Max();
344 Float_t aconc[10] = { 1.,12.01,15.994,22.99,24.305,26.98,28.086,39.1,40.08,55.85 };
345 Float_t zconc[10] = { 1.,6.,8.,11.,12.,13.,14.,19.,20.,26. };
346 Float_t wconc[10] = { .01,.001,.529107,.016,.002,.033872,.337021,.013,.044,.014 };
348 Float_t epsil, stmin, deemax, tmaxfd, stemax;
352 AliMaterial(10, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1);
353 AliMaterial(30, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1);
354 AliMaterial(50, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1);
355 AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500);
356 AliMaterial(35, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500);
357 AliMaterial(55, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500);
358 AliMixture(17, "CONCRETE$", aconc, zconc, 2.35, 10, wconc);
359 AliMixture(37, "CONCRETE$", aconc, zconc, 2.35, 10, wconc);
360 AliMixture(57, "CONCRETE$", aconc, zconc, 2.35, 10, wconc);
363 // Defines tracking media parameters.
364 // Les valeurs sont commentees pour laisser le defaut
365 // a GEANT (version 3-21, page CONS200), f.m.
366 epsil = .001; // Tracking precision,
367 stemax = -1.; // Maximum displacement for multiple scat
368 tmaxfd = -20.; // Maximum angle due to field deflection
369 deemax = -.3; // Maximum fractional energy loss, DLS
375 AliMedium(10, "FE_C0 ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
376 AliMedium(30, "FE_C1 ", 30, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
377 AliMedium(50, "FE_C2 ", 50, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
381 AliMedium(15, "AIR_C0 ", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
382 AliMedium(35, "AIR_C1 ", 35, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
383 AliMedium(55, "AIR_C2 ", 55, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
387 AliMedium(17, "CC_C0 ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
388 AliMedium(37, "CC_C1 ", 37, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
389 AliMedium(57, "CC_C2 ", 57, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
392 //_____________________________________________________________________________
396 // Initialise the HALL after it has been built
401 printf("\n%s: ",ClassName());
402 for(i=0;i<35;i++) printf("*");
403 printf(" HALL_INIT ");
404 for(i=0;i<35;i++) printf("*");
405 printf("\n%s: ",ClassName());
407 // Here the HALL initialisation code (if any!)
408 for(i=0;i<80;i++) printf("*");
413 //_____________________________________________________________________________
414 void AliHALL::DrawModule()
417 // Draw a shaded view of Experimental Hall
420 // Set everything unseen
421 gMC->Gsatt("*", "seen", -1);
423 // Set ALIC mother transparent
424 gMC->Gsatt("ALIC","SEEN",0);
426 // Set the volumes visible
427 gMC->Gsatt("HUFL","seen",1);
428 gMC->Gsatt("HUWA","seen",1);
429 gMC->Gsatt("HUP2","seen",1);
430 gMC->Gsatt("HEW1","seen",1);
431 gMC->Gsatt("HHF1","seen",1);
432 gMC->Gsatt("HHW1","seen",1);
433 gMC->Gsatt("HBW1","seen",1);
434 gMC->Gsatt("HHW2","seen",1);
435 gMC->Gsatt("HHW3","seen",1);
436 gMC->Gsatt("HHC1","seen",1);
437 gMC->Gsatt("HHF2","seen",1);
438 gMC->Gsatt("HPIL","seen",1);
439 gMC->Gsatt("HMBS","seen",1);
440 gMC->Gsatt("HBBS","seen",1);
441 gMC->Gsatt("HPBS","seen",1);
442 gMC->Gsatt("HXFI","seen",1);
443 gMC->Gsatt("HXII","seen",1);
445 gMC->Gdopt("hide", "on");
446 gMC->Gdopt("shad", "on");
447 gMC->Gsatt("*", "fill", 7);
448 gMC->SetClipBox(".");
449 if (gAlice->GetModule("ZDC") == 0) {
451 // ZDC is not present
453 gMC->SetClipBox("*", 0, 3000, -3000, 3000, -6000, 6000);
455 gMC->Gdraw("alic", 40, 30, 0, 12, 7.5, .005, .005);
460 gMC->SetClipBox("*", 0, 2000, -2000, 2000, -2000, 16000);
462 gMC->Gdraw("alic", 40, 30, 0, 17.5, 10, .0019, .0019);
464 gMC->Gdhead(1111, "Experimental Hall");
465 gMC->Gdman(18, 2, "MAN");