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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 | // L3 Magnet // | |
21 | // // | |
22 | //Begin_Html | |
23 | /* | |
1439f98e | 24 | <img src="picts/AliMAGClass.gif"> |
fe4da5cc | 25 | </pre> |
26 | <br clear=left> | |
27 | <font size=+2 color=red> | |
28 | <p>The responsible person for this module is | |
29 | <a href="mailto:andreas.morsch@cern.ch">Andreas Morsch</a>. | |
30 | </font> | |
31 | <pre> | |
32 | */ | |
33 | //End_Html | |
34 | // // | |
35 | /////////////////////////////////////////////////////////////////////////////// | |
36 | ||
88cb7938 | 37 | #include <TVirtualMC.h> |
38 | ||
fe4da5cc | 39 | #include "AliMAG.h" |
94de3818 | 40 | #include "AliMagF.h" |
88cb7938 | 41 | #include "AliRun.h" |
fe4da5cc | 42 | |
43 | ClassImp(AliMAG) | |
44 | ||
45 | //_____________________________________________________________________________ | |
46 | AliMAG::AliMAG() | |
47 | { | |
48 | // | |
49 | // Default constructor for L3 magnet | |
50 | // | |
51 | } | |
52 | ||
53 | //_____________________________________________________________________________ | |
54 | AliMAG::AliMAG(const char *name, const char *title) | |
b8032157 | 55 | : AliModule(name,title) |
fe4da5cc | 56 | { |
57 | // | |
58 | // Standard constructor for L3 magnet | |
59 | // | |
60 | //Begin_Html | |
61 | /* | |
1439f98e | 62 | <img src="picts/aliMAG.gif"> |
fe4da5cc | 63 | */ |
64 | //End_Html | |
65 | ||
66 | SetMarkerColor(7); | |
67 | SetMarkerStyle(2); | |
68 | SetMarkerSize(0.4); | |
69 | } | |
70 | ||
fe4da5cc | 71 | //_____________________________________________________________________________ |
72 | void AliMAG::CreateGeometry() | |
73 | { | |
74 | // | |
75 | // Create geometry for L3 magnet | |
76 | // | |
77 | //Begin_Html | |
78 | /* | |
1439f98e | 79 | <img src="picts/mag.gif"> |
fe4da5cc | 80 | */ |
81 | //End_Html | |
82 | //Begin_Html | |
83 | /* | |
1439f98e | 84 | <img src="picts/tree_mag.gif"> |
fe4da5cc | 85 | */ |
86 | //End_Html | |
87 | ||
ad51aeb0 | 88 | Int_t *idtmed = fIdtmed->GetArray()-299; |
fe4da5cc | 89 | |
90 | Float_t dpar[13]; | |
91 | Int_t idrotm[399]; | |
92 | Float_t par[10]; | |
93 | ||
94 | // ANGLE POLAIRE MAXIMUM | |
95 | ||
96 | // Define Mother | |
97 | ||
98 | par[0] = 22.5; | |
95bb7c88 | 99 | par[1] = 360.; |
fe4da5cc | 100 | par[2] = 8.; |
101 | par[3] = 2.; | |
102 | par[4] = -600.; | |
103 | par[5] = 580.; | |
104 | par[6] = 790.; | |
105 | par[7] = 600.; | |
106 | par[8] = 580.; | |
107 | par[9] = 790.; | |
cfce8870 | 108 | gMC->Gsvolu("L3MO", "PGON", idtmed[334], par, 10); |
109 | gMC->Gspos("L3MO", 1, "ALIC", 0., -30., 0., 0, "ONLY"); | |
fe4da5cc | 110 | |
111 | // Define coils | |
112 | ||
113 | par[5] = 585.; | |
114 | par[6] = 690.; | |
115 | par[8] = 585.; | |
116 | par[9] = 690.; | |
cfce8870 | 117 | gMC->Gsvolu("L3CO", "PGON", idtmed[328], par, 10); |
118 | gMC->Gspos("L3CO", 1, "L3MO", 0., 0., 0., 0, "ONLY"); | |
fe4da5cc | 119 | |
120 | par[5] = 580.; | |
121 | par[6] = 585.; | |
122 | par[8] = 580.; | |
123 | par[9] = 585.; | |
cfce8870 | 124 | gMC->Gsvolu("L3C1", "PGON", idtmed[308], par, 10); |
125 | gMC->Gspos("L3C1", 1, "L3MO", 0., 0., 0., 0, "ONLY"); | |
fe4da5cc | 126 | |
127 | // Define yoke | |
128 | ||
129 | par[5] = 690.; | |
130 | par[6] = 790.; | |
131 | par[8] = 690.; | |
132 | par[9] = 790.; | |
cfce8870 | 133 | gMC->Gsvolu("L3YO", "PGON", idtmed[329], par, 10); |
134 | gMC->Gspos("L3YO", 1, "L3MO", 0., 0., 0., 0, "ONLY"); | |
fe4da5cc | 135 | |
136 | // Define the return yoke of L3 (DOOR) | |
137 | ||
138 | par[4] = 600.; | |
139 | par[5] = 0.; | |
140 | par[6] = 790.; | |
141 | par[7] = 700.; | |
142 | par[8] = par[5]; | |
143 | par[9] = par[6]; | |
cfce8870 | 144 | gMC->Gsvolu("L3DO", "PGON", idtmed[334], par, 10); |
a00df67b | 145 | gMC->Gsvolu("L3DX", "PGON", idtmed[334], par, 10); |
fe4da5cc | 146 | |
147 | par[4] = 610.; | |
148 | par[5] = 0.; | |
149 | par[6] = 790.; | |
150 | par[7] = 700.; | |
151 | par[8] = par[5]; | |
152 | par[9] = par[6]; | |
cfce8870 | 153 | gMC->Gsvolu("L3FR", "PGON", idtmed[329], par, 10); |
a00df67b | 154 | gMC->Gsvolu("L3FX", "PGON", idtmed[329], par, 10); |
fe4da5cc | 155 | |
156 | // INNER LAYER | |
157 | ||
158 | par[4] = 600.; | |
159 | par[7] = 610.; | |
cfce8870 | 160 | gMC->Gsvolu("L3IR", "PGON", idtmed[309], par, 10); |
a00df67b | 161 | gMC->Gsvolu("L3IX", "PGON", idtmed[309], par, 10); |
fe4da5cc | 162 | |
163 | // DOOR OPENING | |
164 | ||
165 | dpar[0] = 22.5; | |
95bb7c88 | 166 | dpar[1] = 360; |
fe4da5cc | 167 | dpar[2] = 8.; |
168 | dpar[3] = 3.; | |
169 | dpar[4] = 610.; | |
170 | dpar[5] = 0.; | |
171 | dpar[6] = 163.5; | |
172 | dpar[7] = 670.; | |
173 | dpar[8] = dpar[5]; | |
174 | dpar[9] = dpar[6]; | |
175 | dpar[10] = 700.; | |
176 | dpar[11] = dpar[5]; | |
177 | dpar[12] = dpar[6] + 50.; | |
cfce8870 | 178 | gMC->Gsvolu("L3O1", "PGON", idtmed[314], dpar, 13); |
a00df67b | 179 | gMC->Gsvolu("L3O3", "PGON", idtmed[314], dpar, 13); |
fe4da5cc | 180 | par[4] = 600.; |
181 | par[5] = 0.; | |
182 | par[6] = 163.5; | |
183 | par[7] = 610.; | |
184 | par[8] = 0.; | |
185 | par[9] = 163.5; | |
cfce8870 | 186 | gMC->Gsvolu("L3O2", "PGON", idtmed[314], par, 10); |
a00df67b | 187 | gMC->Gsvolu("L3O4", "PGON", idtmed[314], par, 10); |
fe4da5cc | 188 | |
189 | // THE DOOR OPENING HAS TO BE PLACED WITH 'MANY' SINCE THE REGION | |
190 | // WILL CONTAIN A MUON CHAMBER, BEAM PIPE AND BEAM SHIELD | |
191 | // PLACED WITH 'ONLY'. | |
192 | ||
a00df67b | 193 | AliMatrix(idrotm[300], 90., 0., 90., 90., 180., 0.); |
194 | ||
195 | gMC->Gspos("L3DO", 1, "ALIC", 0., -30., 0., 0, "MANY"); | |
cfce8870 | 196 | gMC->Gspos("L3FR", 1, "L3DO", 0., 0., 0., 0, "MANY"); |
197 | gMC->Gspos("L3IR", 1, "L3DO", 0., 0., 0., 0, "MANY"); | |
fe4da5cc | 198 | |
a00df67b | 199 | gMC->Gspos("L3DX", 1, "ALIC", 0., -30., 0., idrotm[300], "MANY"); |
200 | gMC->Gspos("L3FX", 1, "L3DX", 0., 0., 0., 0, "MANY"); | |
201 | gMC->Gspos("L3IX", 1, "L3DX", 0., 0., 0., 0, "MANY"); | |
202 | ||
ad3762d0 | 203 | if(!strcmp(gMC->GetName(),"TGeant3")) { |
a00df67b | 204 | |
205 | gMC->Gspos("L3O1", 1, "L3FR", 0., 30., 0., 0, "MANY"); | |
206 | gMC->Gspos("L3O2", 1, "L3IR", 0., 30., 0., 0, "MANY"); | |
207 | gMC->Gspos("L3O3", 1, "L3FX", 0., 30., 0., 0, "MANY"); | |
208 | gMC->Gspos("L3O4", 1, "L3IX", 0., 30., 0., 0, "MANY"); | |
209 | ||
210 | } | |
211 | else { | |
212 | gMC->Gspos("L3O1", 1, "ALIC", 0., 0., 0., 0, "MANY"); | |
213 | gMC->Gspos("L3O2", 1, "ALIC", 0., 0., 0., 0, "MANY"); | |
214 | gMC->Gsbool("L3O1", "L3DO"); | |
215 | gMC->Gsbool("L3O2", "L3DO"); | |
216 | ||
217 | gMC->Gspos("L3O3", 1, "ALIC", 0., 0., 0., idrotm[300], "MANY"); | |
218 | gMC->Gspos("L3O4", 1, "ALIC", 0., 0., 0., idrotm[300], "MANY"); | |
219 | gMC->Gsbool("L3O3", "L3DX"); | |
220 | gMC->Gsbool("L3O4", "L3DX"); | |
221 | } | |
fe4da5cc | 222 | } |
223 | ||
224 | //_____________________________________________________________________________ | |
225 | void AliMAG::CreateMaterials() | |
226 | { | |
227 | // | |
228 | // Create materials for L3 magnet | |
229 | // | |
230 | ||
b43eb0dc | 231 | Int_t isxfld = gAlice->Field()->Integ(); |
232 | Float_t sxmgmx = gAlice->Field()->Max(); | |
fe4da5cc | 233 | |
234 | Float_t epsil, stmin, deemax, tmaxfd, stemax; | |
002b3738 | 235 | |
236 | ||
fe4da5cc | 237 | // --- Define the various materials for GEANT --- |
238 | ||
002b3738 | 239 | Float_t aAir[4]={12.0107,14.0067,15.9994,39.948}; |
240 | Float_t zAir[4]={6.,7.,8.,18.}; | |
241 | Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827}; | |
242 | Float_t dAir = 1.20479E-3; | |
243 | ||
244 | ||
fe4da5cc | 245 | // Aluminum |
246 | AliMaterial(9, "Al$", 26.98, 13., 2.7, 8.9, 37.2); | |
247 | AliMaterial(29, "Al$", 26.98, 13., 2.7, 8.9, 37.2); | |
248 | ||
249 | // Iron | |
250 | AliMaterial(10, "Fe$", 55.85, 26., 7.87, 1.76, 17.1); | |
251 | AliMaterial(30, "Fe$", 55.85, 26., 7.87, 1.76, 17.1); | |
252 | ||
253 | // Air | |
002b3738 | 254 | AliMixture(15, "AIR$ ", aAir, zAir, dAir, 4, wAir); |
255 | AliMixture(35, "AIR$ ", aAir, zAir, dAir, 4, wAir); | |
fe4da5cc | 256 | |
257 | // **************** | |
258 | // Defines tracking media parameters. | |
259 | // Les valeurs sont commentees pour laisser le defaut | |
260 | // a GEANT (version 3-21, page CONS200), f.m. | |
261 | epsil = .001; // Tracking precision, | |
262 | stemax = -1.; // Maximum displacement for multiple scat | |
263 | tmaxfd = -20.; // Maximum angle due to field deflection | |
264 | deemax = -.3; // Maximum fractional energy loss, DLS | |
265 | stmin = -.8; | |
266 | // *************** | |
267 | ||
268 | // IRON | |
269 | ||
b43eb0dc | 270 | AliMedium(10, "FE_C0 ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
271 | AliMedium(30, "FE_C1 ", 30, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
fe4da5cc | 272 | |
273 | // ALUMINUM | |
274 | ||
b43eb0dc | 275 | AliMedium(9, "ALU_C0 ", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
276 | AliMedium(29, "ALU_C1 ", 29, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
fe4da5cc | 277 | |
278 | // AIR | |
279 | ||
b43eb0dc | 280 | AliMedium(15, "AIR_C0 ", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
281 | AliMedium(35, "AIR_C1 ", 35, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
fe4da5cc | 282 | } |
283 | ||
284 | //_____________________________________________________________________________ | |
b8032157 | 285 | void AliMAG::DrawModule() |
fe4da5cc | 286 | { |
287 | // | |
288 | // Draw a shaded view of the L3 magnet | |
289 | // | |
290 | } | |
291 | ||
292 | //_____________________________________________________________________________ | |
293 | void AliMAG::Init() | |
294 | { | |
295 | // | |
296 | // Initialise L3 magnet after it has been built | |
297 | Int_t i; | |
298 | // | |
9e1a0ddb | 299 | if(fDebug) { |
300 | printf("\n%s: ",ClassName()); | |
301 | for(i=0;i<35;i++) printf("*"); | |
302 | printf(" MAG_INIT "); | |
303 | for(i=0;i<35;i++) printf("*"); | |
304 | printf("\n%s: ",ClassName()); | |
305 | // | |
306 | // Here the MAG initialisation code (if any!) | |
307 | for(i=0;i<80;i++) printf("*"); | |
308 | printf("\n"); | |
309 | } | |
fe4da5cc | 310 | } |
311 |