draft of revised version including TRD and TOF support rails
[u/mrichter/AliRoot.git] / STRUCT / AliHALL.cxx
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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
eeacf08b 16/* $Id$ */
4c039060 17
fe4da5cc 18///////////////////////////////////////////////////////////////////////////////
19// //
20// Experimental Hall //
21// This class contains the description of the experimental hall //
22// //
23//Begin_Html
24/*
1439f98e 25<img src="picts/AliHALLClass.gif">
fe4da5cc 26</pre>
27<br clear=left>
28<font size=+2 color=red>
29<p>The responsible person for this module is
30<a href="mailto:andreas.morsch@cern.ch">Andreas Morsch</a>.
31</font>
32<pre>
33*/
34//End_Html
35// //
36// //
37///////////////////////////////////////////////////////////////////////////////
38
f7a1cc68 39#include <TGeoGlobalMagField.h>
88cb7938 40#include <TVirtualMC.h>
c93255fe 41#include <TArrayI.h>
88cb7938 42
43#include "AliConst.h"
fe4da5cc 44#include "AliHALL.h"
94de3818 45#include "AliMagF.h"
88cb7938 46#include "AliRun.h"
4951e003 47#include "AliLog.h"
fe4da5cc 48
49ClassImp(AliHALL)
50
51//_____________________________________________________________________________
b8032157 52AliHALL::AliHALL()
fe4da5cc 53{
54 //
55 // Default constructor for the experimental Hall
56 //
57}
58
59//_____________________________________________________________________________
60AliHALL::AliHALL(const char *name, const char *title)
b8032157 61 : AliModule(name,title)
fe4da5cc 62{
63 //
64 // Standard constructor for the experimental Hall
65 //
e939a978 66 //PH SetMarkerColor(7);
67 //PH SetMarkerStyle(2);
68 //PH SetMarkerSize(0.4);
fe4da5cc 69}
70
71//_____________________________________________________________________________
fe4da5cc 72void AliHALL::CreateGeometry()
73{
74 //
75 // Create the geometry of the exprimental hall
76 //
77 //Begin_Html
78 /*
1439f98e 79 <img src="picts/AliHALLTree.gif">
fe4da5cc 80 */
81 //End_Html
82 //
83 // If ZDC is not present the experimental hall includes a short
84 // section of the accelerator tunnel
85 //
86 //Begin_Html
87 /*
1439f98e 88 <img src="picts/AliHALLSmall.gif">
fe4da5cc 89 */
90 //End_Html
91 //
92 // If ZDC is present the experimental hall includes the accelerator
93 // tunnel beyond the ZDC
94 //
95 //Begin_Html
96 /*
1439f98e 97 <img src="picts/AliHALLLarge.gif">
fe4da5cc 98 */
99 //End_Html
100
101
fe4da5cc 102 Float_t r2;
9c671c0f 103 Float_t phid, phim, pbox[3], h, r, tspar[5];
fe4da5cc 104 Float_t w1, dh, am, bm, dl,cm, hm, dr, dx, xl;
105 Int_t idrotm[1999];
106 Float_t trdpar[4], trapar[11], hullen;
60404de7 107 Float_t phi;
fe4da5cc 108
ad51aeb0 109 Int_t *idtmed = fIdtmed->GetArray()-1899;
fe4da5cc 110
fe4da5cc 111 // RB24/26 TUNNEL FLOOR
112
113 r = 220.;
114 h = 140.;
115 phi = TMath::ACos(h / r);
116 xl = r * TMath::Sin(phi);
099f87ce 117 dr = 1600.;
fe4da5cc 118 dh = dr * TMath::Cos(phi);
119 dl = dr * TMath::Sin(phi);
b8032157 120 if (gAlice->GetModule("ZDC") == 0) {
fe4da5cc 121
122 // No ZDC
099f87ce 123 hullen = 370.;
fe4da5cc 124 } else {
125
126 // ZDC is present
099f87ce 127 hullen = 6520.;
fe4da5cc 128 }
129 trdpar[0] = xl + dl;
130 trdpar[1] = xl;
131 trdpar[2] = hullen;
132 trdpar[3] = dh / 2.;
133 AliMatrix(idrotm[1900], 90., 0., 0., 0., 90., 90.);
134 AliMatrix(idrotm[1901], 270., 0., 90., 90., 0., 0.);
2942f542 135 TVirtualMC::GetMC()->Gsvolu("HUFL", "TRD1", idtmed[1956], trdpar, 4);
099f87ce 136 r2 = hullen + 1900.;
2942f542 137 TVirtualMC::GetMC()->Gspos("HUFL", 1, "ALIC", 70.,-100-trdpar[3] , -r2, idrotm[1900], "ONLY");
fe4da5cc 138
139 // RB24/26 wall
140
141 phid = phi * 57.296;
142 tspar[0] = r;
143 tspar[1] = r + dr;
144 tspar[2] = hullen;
145 tspar[3] = phid - 90.;
146 tspar[4] = 270. - phid;
2942f542 147 TVirtualMC::GetMC()->Gsvolu("HUWA", "TUBS", idtmed[1956], tspar, 5);
148 TVirtualMC::GetMC()->Gspos("HUWA", 1, "ALIC", 70., 40., -1900 - hullen , 0, "ONLY");
fe4da5cc 149
9c671c0f 150
2d4282ac 151 // Hall floor
fe4da5cc 152
153 phid = 16.197;
154 trdpar[0] = 700.;
155 trdpar[1] = TMath::Tan(phid * kDegrad) * 190. + 700.;
156 trdpar[2] = 550.;
157 trdpar[3] = 95.;
2942f542 158 TVirtualMC::GetMC()->Gsvolu("HHF1", "TRD1", idtmed[1956], trdpar, 4);
159 TVirtualMC::GetMC()->Gspos("HHF1", 1, "ALIC", 0., -801., 1350., idrotm[1900], "ONLY");
160 TVirtualMC::GetMC()->Gspos("HHF1", 2, "ALIC", 0., -801.,-1350., idrotm[1900], "ONLY");
fe4da5cc 161
2d4282ac 162 // Hall side walls
fe4da5cc 163
164 trapar[0] = 550.;
165 trapar[1] = 0.;
166 trapar[2] = 0.;
167 trapar[3] = 1273.78/2;
168 trapar[4] = 235.;
169 trapar[5] = 50.;
170 trapar[6] = TMath::ATan((trapar[4] - trapar[5]) / 2. / trapar[3]) * kRaddeg;
171 trapar[7] = trapar[3];
172 trapar[8] = trapar[4];
173 trapar[9] = trapar[5];
174 trapar[10] = trapar[6];
175 dx = trapar[4] * 1.5 + 700. - trapar[5] * .5;
2942f542 176 TVirtualMC::GetMC()->Gsvolu("HHW1", "TRAP", idtmed[1956], trapar, 11);
177 TVirtualMC::GetMC()->Gspos("HHW1", 1, "ALIC", dx, -896+trapar[3], 1350., 0, "ONLY");
178 TVirtualMC::GetMC()->Gspos("HHW1", 2, "ALIC",-dx, -896+trapar[3], 1350., idrotm[1901], "ONLY");
179 TVirtualMC::GetMC()->Gspos("HHW1", 3, "ALIC", dx, -896+trapar[3], -1350., 0, "ONLY");
180 TVirtualMC::GetMC()->Gspos("HHW1", 4, "ALIC",-dx, -896+trapar[3], -1350., idrotm[1901], "ONLY");
fe4da5cc 181 pbox[0] = 50.;
182 pbox[1] = (500. - (trapar[3] * 2. - 896.)) / 2.;
183 pbox[2] = 1900.;
2942f542 184 TVirtualMC::GetMC()->Gsvolu("HBW1", "BOX ", idtmed[1956], pbox, 3);
185 TVirtualMC::GetMC()->Gspos("HBW1", 1, "ALIC", 1120., 500-pbox[1], 0., 0, "ONLY");
186 TVirtualMC::GetMC()->Gspos("HBW1", 2, "ALIC", -1120., 500-pbox[1], 0., 0, "ONLY");
fe4da5cc 187
188 // slanted wall close to L3 magnet
189
190 phim = 45.;
191 hm = 790.;
192 //rm = hm / TMath::Cos(phim / 2. * kDegrad);
193 am = hm * TMath::Tan(phim / 2. * kDegrad);
194 bm = (hm + 76.) / hm * am;
195 cm = bm * 2. / TMath::Sqrt(2.);
196 trapar[0] = 800.;
197 trapar[1] = 0.;
198 trapar[2] = 0.;
199 trapar[3] = (1273.78 - cm) / 2.;
200 trapar[4] = 235. - cm * TMath::Tan(phid * kDegrad) / 2.;
201 trapar[5] = 50.;
202 trapar[6] = TMath::ATan((trapar[4] - trapar[5]) / 2. / trapar[3]) * kRaddeg;
203 trapar[7] = trapar[3];
204 trapar[8] = trapar[4];
205 trapar[9] = trapar[5];
206 trapar[10] = trapar[6];
207 w1 = trapar[4];
208 dx = cm*TMath::Tan(phid * kDegrad) + 700. + trapar[4] * 1.5 - trapar[5] * .5;
2942f542 209 TVirtualMC::GetMC()->Gsvolu("HHW2", "TRAP", idtmed[1956], trapar, 11);
fe4da5cc 210 r2 = cm - 896. + trapar[3];
2942f542 211 TVirtualMC::GetMC()->Gspos("HHW2", 1, "ALIC", dx, r2, 0., 0, "ONLY");
212 TVirtualMC::GetMC()->Gspos("HHW2", 2, "ALIC",-dx, r2, 0., idrotm[1901], "ONLY");
fe4da5cc 213 trapar[3] = cm / 2.;
214 trapar[4] = w1 + cm / 2.;
215 trapar[5] = w1;
216 trapar[6] = TMath::ATan(.5) * kRaddeg;
217 trapar[7] = trapar[3];
218 trapar[8] = trapar[4];
219 trapar[9] = trapar[5];
220 trapar[10] = trapar[6];
221 dx = 1170. - trapar[4] * .5 - trapar[5] * .5;
2942f542 222 TVirtualMC::GetMC()->Gsvolu("HHW3", "TRAP", idtmed[1956], trapar, 11);
fe4da5cc 223 r2 = trapar[3] - 896.;
2942f542 224 TVirtualMC::GetMC()->Gspos("HHW3", 1, "ALIC", dx, r2, 0., 0, "ONLY");
225 TVirtualMC::GetMC()->Gspos("HHW3", 2, "ALIC",-dx, r2, 0., idrotm[1901], "ONLY");
fe4da5cc 226
227
228 tspar[0] = 1070.;
229 tspar[1] = 1170.;
230 tspar[2] = 1900.;
231 tspar[3] = 0.;
232 tspar[4] = 180.;
2942f542 233 TVirtualMC::GetMC()->Gsvolu("HHC1", "TUBS", idtmed[1956], tspar, 5);
234 TVirtualMC::GetMC()->Gspos("HHC1", 1, "ALIC", 0., 500., 0., 0, "ONLY");
fe4da5cc 235 trdpar[0] = 1170 - trapar[4] * 2.;
236 trdpar[1] = trdpar[0] + TMath::Tan(phim * kDegrad) * 76.;
237 trdpar[2] = 800.;
238 trdpar[3] = 38.;
2942f542 239 TVirtualMC::GetMC()->Gsvolu("HHF2", "TRD1", idtmed[1956], trdpar, 4);
240 TVirtualMC::GetMC()->Gspos("HHF2", 1, "ALIC", 0., -858., 0., idrotm[1900], "ONLY");
fe4da5cc 241
242 // pillars for working platform
243
244 pbox[0] = 40.;
9b21f9d2 245 pbox[1] = 96.;
fe4da5cc 246 pbox[2] = 550.;
2942f542 247 TVirtualMC::GetMC()->Gsvolu("HPIL", "BOX ", idtmed[1956], pbox, 3);
248 TVirtualMC::GetMC()->Gspos("HPIL", 1, "ALIC", 165.,-706+pbox[1] , -1350., 0, "ONLY");
249 TVirtualMC::GetMC()->Gspos("HPIL", 2, "ALIC",-165.,-706+pbox[1] , -1350., 0, "ONLY");
fe4da5cc 250
43707c21 251 // simple concrete beam shield
fe4da5cc 252
43707c21 253 Float_t ppgon[10];
254 ppgon[0] = 45.;
255 ppgon[1] = 360.;
256 ppgon[2] = 4.;
257 ppgon[3] = 2.;
299e56a5 258 ppgon[7] = 1800.;
43707c21 259 ppgon[8] = 150.;
260 ppgon[9] = 250.;
299e56a5 261 ppgon[4] = 720.;
262 ppgon[5] = 150.;
263 ppgon[6] = 250.;
43707c21 264
2942f542 265 TVirtualMC::GetMC()->Gsvolu("HMBS", "PGON", idtmed[1956], ppgon, 10);
266 TVirtualMC::GetMC()->Gspos("HMBS", 1, "ALIC", 0., 70., 0., 0, "ONLY");
fe4da5cc 267}
268
269//_____________________________________________________________________________
270void AliHALL::CreateMaterials()
271{
272 //
273 // Create materials for the experimental hall
274 //
def952f1 275
276 Int_t isxfld = 0;
f7a1cc68 277 Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max();
fe4da5cc 278
279 Float_t aconc[10] = { 1.,12.01,15.994,22.99,24.305,26.98,28.086,39.1,40.08,55.85 };
280 Float_t zconc[10] = { 1.,6.,8.,11.,12.,13.,14.,19.,20.,26. };
281 Float_t wconc[10] = { .01,.001,.529107,.016,.002,.033872,.337021,.013,.044,.014 };
282
002b3738 283 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
284 Float_t zAir[4]={6.,7.,8.,18.};
285 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
286 Float_t dAir = 1.20479E-3;
287
2d4282ac 288// Steel
289 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
290 Float_t zsteel[4] = { 26.,24.,28.,14. };
291 Float_t wsteel[4] = { .715,.18,.1,.005 };
292
fe4da5cc 293 Float_t epsil, stmin, deemax, tmaxfd, stemax;
294
fe4da5cc 295
4a9de4af 296 AliMixture(15, "AIR0$ ", aAir, zAir, dAir, 4, wAir);
297 AliMixture(35, "AIR1$ ", aAir, zAir, dAir, 4, wAir);
298 AliMixture(55, "AIR2$ ", aAir, zAir, dAir, 4, wAir);
002b3738 299
4a9de4af 300 AliMixture(17, "CONCRETE0$", aconc, zconc, 2.35, 10, wconc);
301 AliMixture(37, "CONCRETE1$", aconc, zconc, 2.35, 10, wconc);
302 AliMixture(57, "CONCRETE2$", aconc, zconc, 2.35, 10, wconc);
2d4282ac 303
304 // Stainless Steel
305 AliMixture(10, "STAINLESS STEEL1", asteel, zsteel, 7.88, 4, wsteel);
306 AliMixture(30, "STAINLESS STEEL2", asteel, zsteel, 7.88, 4, wsteel);
307 AliMixture(50, "STAINLESS STEEL3", asteel, zsteel, 7.88, 4, wsteel);
a612ec56 308 // Iron
309 //
310 AliMaterial(52, "IRON", 55.85, 26., 7.87, 1.76, 17.1);
311
fe4da5cc 312
313 // ****************
314 // Defines tracking media parameters.
315 // Les valeurs sont commentees pour laisser le defaut
316 // a GEANT (version 3-21, page CONS200), f.m.
317 epsil = .001; // Tracking precision,
318 stemax = -1.; // Maximum displacement for multiple scat
319 tmaxfd = -20.; // Maximum angle due to field deflection
320 deemax = -.3; // Maximum fractional energy loss, DLS
321 stmin = -.8;
322 // ***************
323
2d4282ac 324 // Stainless Steel
325 AliMedium(10, "STST_C0 ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
326 AliMedium(30, "STST_C1 ", 30, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
327 AliMedium(50, "STST_C2 ", 50, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
fe4da5cc 328
329 // Air
330
b43eb0dc 331 AliMedium(15, "AIR_C0 ", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
332 AliMedium(35, "AIR_C1 ", 35, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
333 AliMedium(55, "AIR_C2 ", 55, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
fe4da5cc 334
335 // Concrete
336
b43eb0dc 337 AliMedium(17, "CC_C0 ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
338 AliMedium(37, "CC_C1 ", 37, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
339 AliMedium(57, "CC_C2 ", 57, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
a612ec56 340
341 // Iron
342 AliMedium(52, "FE_C2 ", 52, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
fe4da5cc 343}
344
345//_____________________________________________________________________________
346void AliHALL::Init()
347{
348 //
349 // Initialise the HALL after it has been built
350 //
351 Int_t i;
352 //
4951e003 353 if(AliLog::GetGlobalDebugLevel()>0) {
9e1a0ddb 354 printf("\n%s: ",ClassName());
355 for(i=0;i<35;i++) printf("*");
356 printf(" HALL_INIT ");
357 for(i=0;i<35;i++) printf("*");
358 printf("\n%s: ",ClassName());
359 //
360 // Here the HALL initialisation code (if any!)
361 for(i=0;i<80;i++) printf("*");
362 printf("\n");
363 }
fe4da5cc 364}
365