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 1.14.6.2 2002/06/14 10:29:54 hristov
21 Revision 1.16 2002/06/12 08:28:28 morsch
22 HBMT positioning commented out.
24 Revision 1.15 2002/05/28 08:47:38 morsch
25 Reduces size of pillars to avoid overlap with DIPO.
27 Revision 1.14 2001/11/16 12:38:26 morsch
28 Reverse z-ordering in HMBS. (I. Hrivnacova)
30 Revision 1.13 2001/06/21 12:26:52 morsch
31 Simple concrete shielding around compensator dipole.
33 Revision 1.12 2001/06/20 16:08:56 morsch
34 Remove some shielding to accomodate compensator magnet.
36 Revision 1.11 2001/05/16 14:57:22 alibrary
37 New files for folders and Stack
39 Revision 1.10 2000/10/02 21:28:15 fca
40 Removal of useless dependecies via forward declarations
42 Revision 1.9 2000/06/13 14:55:26 morsch
43 Unused variables removed
45 Revision 1.8 2000/06/11 12:35:41 morsch
46 Coding rule violations corrected
48 Revision 1.7 2000/01/12 15:33:28 morsch
51 Revision 1.6 1999/09/29 09:24:30 fca
52 Introduction of the Copyright and cvs Log
56 ///////////////////////////////////////////////////////////////////////////////
58 // Experimental Hall //
59 // This class contains the description of the experimental hall //
63 <img src="picts/AliHALLClass.gif">
66 <font size=+2 color=red>
67 <p>The responsible person for this module is
68 <a href="mailto:andreas.morsch@cern.ch">Andreas Morsch</a>.
75 ///////////////////////////////////////////////////////////////////////////////
85 //_____________________________________________________________________________
89 // Default constructor for the experimental Hall
93 //_____________________________________________________________________________
94 AliHALL::AliHALL(const char *name, const char *title)
95 : AliModule(name,title)
98 // Standard constructor for the experimental Hall
105 //_____________________________________________________________________________
106 void AliHALL::CreateGeometry()
109 // Create the geometry of the exprimental hall
113 <img src="picts/AliHALLTree.gif">
117 // If ZDC is not present the experimental hall includes a short
118 // section of the accelerator tunnel
122 <img src="picts/AliHALLSmall.gif">
126 // If ZDC is present the experimental hall includes the accelerator
127 // tunnel beyond the ZDC
131 <img src="picts/AliHALLLarge.gif">
137 Float_t phid, phim, tpar[3], pbox[3], h, r, tspar[5];
138 Float_t w1, dh, am, bm, dl,cm, hm, dr, dx, xl;
140 Float_t trdpar[4], trapar[11], hullen;
143 Int_t *idtmed = fIdtmed->GetArray()-1899;
145 // RB24/26 TUNNEL FLOOR
149 phi = TMath::ACos(h / r);
150 xl = r * TMath::Sin(phi);
152 dh = dr * TMath::Cos(phi);
153 dl = dr * TMath::Sin(phi);
154 if (gAlice->GetModule("ZDC") == 0) {
167 AliMatrix(idrotm[1900], 90., 0., 0., 0., 90., 90.);
168 AliMatrix(idrotm[1901], 270., 0., 90., 90., 0., 0.);
169 gMC->Gsvolu("HUFL", "TRD1", idtmed[1956], trdpar, 4);
171 gMC->Gspos("HUFL", 1, "ALIC", 70.,-100-trdpar[3] , r2, idrotm[1900], "ONLY");
179 tspar[3] = phid - 90.;
180 tspar[4] = 270. - phid;
181 gMC->Gsvolu("HUWA", "TUBS", idtmed[1956], tspar, 5);
182 gMC->Gspos("HUWA", 1, "ALIC", 70., 40.,2020+hullen , 0, "ONLY");
189 gMC->Gsvolu("HUP2", "TUBE", idtmed[1954], tpar, 3);
196 gMC->Gsvolu("HEW1", "BOX ", idtmed[1956], pbox, 3);
197 gMC->Gspos("HUP2", 1, "HEW1", 0.,-404., 0., 0, "ONLY");
198 gMC->Gspos("HEW1", 1, "ALIC", 0., 404., 1960, 0, "ONLY");
204 trdpar[1] = TMath::Tan(phid * kDegrad) * 190. + 700.;
207 gMC->Gsvolu("HHF1", "TRD1", idtmed[1956], trdpar, 4);
208 gMC->Gspos("HHF1", 1, "ALIC", 0., -801., 1350., idrotm[1900], "ONLY");
209 gMC->Gspos("HHF1", 2, "ALIC", 0., -801.,-1350., idrotm[1900], "ONLY");
216 trapar[3] = 1273.78/2;
219 trapar[6] = TMath::ATan((trapar[4] - trapar[5]) / 2. / trapar[3]) * kRaddeg;
220 trapar[7] = trapar[3];
221 trapar[8] = trapar[4];
222 trapar[9] = trapar[5];
223 trapar[10] = trapar[6];
224 dx = trapar[4] * 1.5 + 700. - trapar[5] * .5;
225 gMC->Gsvolu("HHW1", "TRAP", idtmed[1956], trapar, 11);
226 gMC->Gspos("HHW1", 1, "ALIC", dx, -896+trapar[3], 1350., 0, "ONLY");
227 gMC->Gspos("HHW1", 2, "ALIC",-dx, -896+trapar[3], 1350., idrotm[1901], "ONLY");
228 gMC->Gspos("HHW1", 3, "ALIC", dx, -896+trapar[3], -1350., 0, "ONLY");
229 gMC->Gspos("HHW1", 4, "ALIC",-dx, -896+trapar[3], -1350., idrotm[1901], "ONLY");
231 pbox[1] = (500. - (trapar[3] * 2. - 896.)) / 2.;
233 gMC->Gsvolu("HBW1", "BOX ", idtmed[1956], pbox, 3);
234 gMC->Gspos("HBW1", 1, "ALIC", 1120., 500-pbox[1], 0., 0, "ONLY");
235 gMC->Gspos("HBW1", 2, "ALIC", -1120., 500-pbox[1], 0., 0, "ONLY");
237 // slanted wall close to L3 magnet
241 //rm = hm / TMath::Cos(phim / 2. * kDegrad);
242 am = hm * TMath::Tan(phim / 2. * kDegrad);
243 bm = (hm + 76.) / hm * am;
244 cm = bm * 2. / TMath::Sqrt(2.);
248 trapar[3] = (1273.78 - cm) / 2.;
249 trapar[4] = 235. - cm * TMath::Tan(phid * kDegrad) / 2.;
251 trapar[6] = TMath::ATan((trapar[4] - trapar[5]) / 2. / trapar[3]) * kRaddeg;
252 trapar[7] = trapar[3];
253 trapar[8] = trapar[4];
254 trapar[9] = trapar[5];
255 trapar[10] = trapar[6];
257 dx = cm*TMath::Tan(phid * kDegrad) + 700. + trapar[4] * 1.5 - trapar[5] * .5;
258 gMC->Gsvolu("HHW2", "TRAP", idtmed[1956], trapar, 11);
259 r2 = cm - 896. + trapar[3];
260 gMC->Gspos("HHW2", 1, "ALIC", dx, r2, 0., 0, "ONLY");
261 gMC->Gspos("HHW2", 2, "ALIC",-dx, r2, 0., idrotm[1901], "ONLY");
263 trapar[4] = w1 + cm / 2.;
265 trapar[6] = TMath::ATan(.5) * kRaddeg;
266 trapar[7] = trapar[3];
267 trapar[8] = trapar[4];
268 trapar[9] = trapar[5];
269 trapar[10] = trapar[6];
270 dx = 1170. - trapar[4] * .5 - trapar[5] * .5;
271 gMC->Gsvolu("HHW3", "TRAP", idtmed[1956], trapar, 11);
272 r2 = trapar[3] - 896.;
273 gMC->Gspos("HHW3", 1, "ALIC", dx, r2, 0., 0, "ONLY");
274 gMC->Gspos("HHW3", 2, "ALIC",-dx, r2, 0., idrotm[1901], "ONLY");
282 gMC->Gsvolu("HHC1", "TUBS", idtmed[1956], tspar, 5);
283 gMC->Gspos("HHC1", 1, "ALIC", 0., 500., 0., 0, "ONLY");
284 trdpar[0] = 1170 - trapar[4] * 2.;
285 trdpar[1] = trdpar[0] + TMath::Tan(phim * kDegrad) * 76.;
288 gMC->Gsvolu("HHF2", "TRD1", idtmed[1956], trdpar, 4);
289 gMC->Gspos("HHF2", 1, "ALIC", 0., -858., 0., idrotm[1900], "ONLY");
291 // pillars for working platform
296 gMC->Gsvolu("HPIL", "BOX ", idtmed[1956], pbox, 3);
297 gMC->Gspos("HPIL", 1, "ALIC", 165.,-706+pbox[1] , 1350., 0, "ONLY");
298 gMC->Gspos("HPIL", 2, "ALIC",-165.,-706+pbox[1] , 1350., 0, "ONLY");
300 // simple concrete beam shield
314 gMC->Gsvolu("HMBS", "PGON", idtmed[1956], ppgon, 10);
315 gMC->Gspos("HMBS", 1, "ALIC", 0., 70., 0., 0, "ONLY");
323 gMC->Gsvolu("HMBT", "PGON", idtmed[1956], ppgon, 10);
331 gMC->Gsvolu("HMBU", "PGON", idtmed[1954], ppgon, 10);
333 gMC->Gspos("HMBU", 1, "HMBT", 0., -70., 0., 0, "ONLY");
335 gMC->Gspos("HMBT", 1, "ALIC", 0., 70., 0., 0, "ONLY");
339 //_____________________________________________________________________________
340 void AliHALL::CreateMaterials()
343 // Create materials for the experimental hall
347 Int_t isxfld = gAlice->Field()->Integ();
348 Float_t sxmgmx = gAlice->Field()->Max();
350 Float_t aconc[10] = { 1.,12.01,15.994,22.99,24.305,26.98,28.086,39.1,40.08,55.85 };
351 Float_t zconc[10] = { 1.,6.,8.,11.,12.,13.,14.,19.,20.,26. };
352 Float_t wconc[10] = { .01,.001,.529107,.016,.002,.033872,.337021,.013,.044,.014 };
354 Float_t epsil, stmin, deemax, tmaxfd, stemax;
358 AliMaterial(10, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1);
359 AliMaterial(30, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1);
360 AliMaterial(50, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1);
361 AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500);
362 AliMaterial(35, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500);
363 AliMaterial(55, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500);
364 AliMixture(17, "CONCRETE$", aconc, zconc, 2.35, 10, wconc);
365 AliMixture(37, "CONCRETE$", aconc, zconc, 2.35, 10, wconc);
366 AliMixture(57, "CONCRETE$", aconc, zconc, 2.35, 10, wconc);
369 // Defines tracking media parameters.
370 // Les valeurs sont commentees pour laisser le defaut
371 // a GEANT (version 3-21, page CONS200), f.m.
372 epsil = .001; // Tracking precision,
373 stemax = -1.; // Maximum displacement for multiple scat
374 tmaxfd = -20.; // Maximum angle due to field deflection
375 deemax = -.3; // Maximum fractional energy loss, DLS
381 AliMedium(10, "FE_C0 ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
382 AliMedium(30, "FE_C1 ", 30, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
383 AliMedium(50, "FE_C2 ", 50, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
387 AliMedium(15, "AIR_C0 ", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
388 AliMedium(35, "AIR_C1 ", 35, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
389 AliMedium(55, "AIR_C2 ", 55, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
393 AliMedium(17, "CC_C0 ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
394 AliMedium(37, "CC_C1 ", 37, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
395 AliMedium(57, "CC_C2 ", 57, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
398 //_____________________________________________________________________________
402 // Initialise the HALL after it has been built
407 printf("\n%s: ",ClassName());
408 for(i=0;i<35;i++) printf("*");
409 printf(" HALL_INIT ");
410 for(i=0;i<35;i++) printf("*");
411 printf("\n%s: ",ClassName());
413 // Here the HALL initialisation code (if any!)
414 for(i=0;i<80;i++) printf("*");
419 //_____________________________________________________________________________
420 void AliHALL::DrawModule()
423 // Draw a shaded view of Experimental Hall
426 // Set everything unseen
427 gMC->Gsatt("*", "seen", -1);
429 // Set ALIC mother transparent
430 gMC->Gsatt("ALIC","SEEN",0);
432 // Set the volumes visible
433 gMC->Gsatt("HUFL","seen",1);
434 gMC->Gsatt("HUWA","seen",1);
435 gMC->Gsatt("HUP2","seen",1);
436 gMC->Gsatt("HEW1","seen",1);
437 gMC->Gsatt("HHF1","seen",1);
438 gMC->Gsatt("HHW1","seen",1);
439 gMC->Gsatt("HBW1","seen",1);
440 gMC->Gsatt("HHW2","seen",1);
441 gMC->Gsatt("HHW3","seen",1);
442 gMC->Gsatt("HHC1","seen",1);
443 gMC->Gsatt("HHF2","seen",1);
444 gMC->Gsatt("HPIL","seen",1);
445 gMC->Gsatt("HMBS","seen",1);
446 gMC->Gsatt("HBBS","seen",1);
447 gMC->Gsatt("HPBS","seen",1);
448 gMC->Gsatt("HXFI","seen",1);
449 gMC->Gsatt("HXII","seen",1);
451 gMC->Gdopt("hide", "on");
452 gMC->Gdopt("shad", "on");
453 gMC->Gsatt("*", "fill", 7);
454 gMC->SetClipBox(".");
455 if (gAlice->GetModule("ZDC") == 0) {
457 // ZDC is not present
459 gMC->SetClipBox("*", 0, 3000, -3000, 3000, -6000, 6000);
461 gMC->Gdraw("alic", 40, 30, 0, 12, 7.5, .005, .005);
466 gMC->SetClipBox("*", 0, 2000, -2000, 2000, -2000, 16000);
468 gMC->Gdraw("alic", 40, 30, 0, 17.5, 10, .0019, .0019);
470 gMC->Gdhead(1111, "Experimental Hall");
471 gMC->Gdman(18, 2, "MAN");