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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 | ||
16 | /* | |
17 | $Log$ | |
b43eb0dc | 18 | Revision 1.6 1999/09/29 09:24:30 fca |
19 | Introduction of the Copyright and cvs Log | |
20 | ||
4c039060 | 21 | */ |
22 | ||
fe4da5cc | 23 | /////////////////////////////////////////////////////////////////////////////// |
24 | // // | |
25 | // L3 Magnet // | |
26 | // // | |
27 | //Begin_Html | |
28 | /* | |
1439f98e | 29 | <img src="picts/AliMAGClass.gif"> |
fe4da5cc | 30 | </pre> |
31 | <br clear=left> | |
32 | <font size=+2 color=red> | |
33 | <p>The responsible person for this module is | |
34 | <a href="mailto:andreas.morsch@cern.ch">Andreas Morsch</a>. | |
35 | </font> | |
36 | <pre> | |
37 | */ | |
38 | //End_Html | |
39 | // // | |
40 | /////////////////////////////////////////////////////////////////////////////// | |
41 | ||
42 | #include "AliMAG.h" | |
43 | #include "AliRun.h" | |
fe4da5cc | 44 | |
45 | ClassImp(AliMAG) | |
46 | ||
47 | //_____________________________________________________________________________ | |
48 | AliMAG::AliMAG() | |
49 | { | |
50 | // | |
51 | // Default constructor for L3 magnet | |
52 | // | |
53 | } | |
54 | ||
55 | //_____________________________________________________________________________ | |
56 | AliMAG::AliMAG(const char *name, const char *title) | |
b8032157 | 57 | : AliModule(name,title) |
fe4da5cc | 58 | { |
59 | // | |
60 | // Standard constructor for L3 magnet | |
61 | // | |
62 | //Begin_Html | |
63 | /* | |
1439f98e | 64 | <img src="picts/aliMAG.gif"> |
fe4da5cc | 65 | */ |
66 | //End_Html | |
67 | ||
68 | SetMarkerColor(7); | |
69 | SetMarkerStyle(2); | |
70 | SetMarkerSize(0.4); | |
71 | } | |
72 | ||
fe4da5cc | 73 | //_____________________________________________________________________________ |
74 | void AliMAG::CreateGeometry() | |
75 | { | |
76 | // | |
77 | // Create geometry for L3 magnet | |
78 | // | |
79 | //Begin_Html | |
80 | /* | |
1439f98e | 81 | <img src="picts/mag.gif"> |
fe4da5cc | 82 | */ |
83 | //End_Html | |
84 | //Begin_Html | |
85 | /* | |
1439f98e | 86 | <img src="picts/tree_mag.gif"> |
fe4da5cc | 87 | */ |
88 | //End_Html | |
89 | ||
ad51aeb0 | 90 | Int_t *idtmed = fIdtmed->GetArray()-299; |
fe4da5cc | 91 | |
92 | Float_t dpar[13]; | |
93 | Int_t idrotm[399]; | |
94 | Float_t par[10]; | |
95 | ||
96 | // ANGLE POLAIRE MAXIMUM | |
97 | ||
98 | // Define Mother | |
99 | ||
100 | par[0] = 22.5; | |
101 | par[1] = 360.; | |
102 | par[2] = 8.; | |
103 | par[3] = 2.; | |
104 | par[4] = -600.; | |
105 | par[5] = 580.; | |
106 | par[6] = 790.; | |
107 | par[7] = 600.; | |
108 | par[8] = 580.; | |
109 | par[9] = 790.; | |
cfce8870 | 110 | gMC->Gsvolu("L3MO", "PGON", idtmed[334], par, 10); |
111 | gMC->Gspos("L3MO", 1, "ALIC", 0., -30., 0., 0, "ONLY"); | |
fe4da5cc | 112 | |
113 | // Define coils | |
114 | ||
115 | par[5] = 585.; | |
116 | par[6] = 690.; | |
117 | par[8] = 585.; | |
118 | par[9] = 690.; | |
cfce8870 | 119 | gMC->Gsvolu("L3CO", "PGON", idtmed[328], par, 10); |
120 | gMC->Gspos("L3CO", 1, "L3MO", 0., 0., 0., 0, "ONLY"); | |
fe4da5cc | 121 | |
122 | par[5] = 580.; | |
123 | par[6] = 585.; | |
124 | par[8] = 580.; | |
125 | par[9] = 585.; | |
cfce8870 | 126 | gMC->Gsvolu("L3C1", "PGON", idtmed[308], par, 10); |
127 | gMC->Gspos("L3C1", 1, "L3MO", 0., 0., 0., 0, "ONLY"); | |
fe4da5cc | 128 | |
129 | // Define yoke | |
130 | ||
131 | par[5] = 690.; | |
132 | par[6] = 790.; | |
133 | par[8] = 690.; | |
134 | par[9] = 790.; | |
cfce8870 | 135 | gMC->Gsvolu("L3YO", "PGON", idtmed[329], par, 10); |
136 | gMC->Gspos("L3YO", 1, "L3MO", 0., 0., 0., 0, "ONLY"); | |
fe4da5cc | 137 | |
138 | // Define the return yoke of L3 (DOOR) | |
139 | ||
140 | par[4] = 600.; | |
141 | par[5] = 0.; | |
142 | par[6] = 790.; | |
143 | par[7] = 700.; | |
144 | par[8] = par[5]; | |
145 | par[9] = par[6]; | |
cfce8870 | 146 | gMC->Gsvolu("L3DO", "PGON", idtmed[334], par, 10); |
fe4da5cc | 147 | |
148 | par[4] = 610.; | |
149 | par[5] = 0.; | |
150 | par[6] = 790.; | |
151 | par[7] = 700.; | |
152 | par[8] = par[5]; | |
153 | par[9] = par[6]; | |
cfce8870 | 154 | gMC->Gsvolu("L3FR", "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); |
fe4da5cc | 161 | |
162 | // DOOR OPENING | |
163 | ||
164 | dpar[0] = 22.5; | |
165 | dpar[1] = 360.; | |
166 | dpar[2] = 8.; | |
167 | dpar[3] = 3.; | |
168 | dpar[4] = 610.; | |
169 | dpar[5] = 0.; | |
170 | dpar[6] = 163.5; | |
171 | dpar[7] = 670.; | |
172 | dpar[8] = dpar[5]; | |
173 | dpar[9] = dpar[6]; | |
174 | dpar[10] = 700.; | |
175 | dpar[11] = dpar[5]; | |
176 | dpar[12] = dpar[6] + 50.; | |
cfce8870 | 177 | gMC->Gsvolu("L3O1", "PGON", idtmed[314], dpar, 13); |
fe4da5cc | 178 | par[4] = 600.; |
179 | par[5] = 0.; | |
180 | par[6] = 163.5; | |
181 | par[7] = 610.; | |
182 | par[8] = 0.; | |
183 | par[9] = 163.5; | |
cfce8870 | 184 | gMC->Gsvolu("L3O2", "PGON", idtmed[314], par, 10); |
fe4da5cc | 185 | |
186 | // THE DOOR OPENING HAS TO BE PLACED WITH 'MANY' SINCE THE REGION | |
187 | // WILL CONTAIN A MUON CHAMBER, BEAM PIPE AND BEAM SHIELD | |
188 | // PLACED WITH 'ONLY'. | |
189 | ||
cfce8870 | 190 | gMC->Gspos("L3O1", 1, "L3FR", 0., 30., 0., 0, "MANY"); |
191 | gMC->Gspos("L3O2", 1, "L3IR", 0., 30., 0., 0, "MANY"); | |
fe4da5cc | 192 | |
cfce8870 | 193 | gMC->Gspos("L3FR", 1, "L3DO", 0., 0., 0., 0, "MANY"); |
194 | gMC->Gspos("L3IR", 1, "L3DO", 0., 0., 0., 0, "MANY"); | |
fe4da5cc | 195 | |
cfce8870 | 196 | gMC->Gspos("L3DO", 1, "ALIC", 0., -30., 0., 0, "MANY"); |
fe4da5cc | 197 | AliMatrix(idrotm[300], 90., 0., 90., 90., 180., 0.); |
cfce8870 | 198 | gMC->Gspos("L3DO", 2, "ALIC", 0., -30., 0., idrotm[300], "MANY"); |
fe4da5cc | 199 | } |
200 | ||
201 | //_____________________________________________________________________________ | |
202 | void AliMAG::CreateMaterials() | |
203 | { | |
204 | // | |
205 | // Create materials for L3 magnet | |
206 | // | |
207 | ||
b43eb0dc | 208 | Int_t isxfld = gAlice->Field()->Integ(); |
209 | Float_t sxmgmx = gAlice->Field()->Max(); | |
fe4da5cc | 210 | |
211 | Float_t epsil, stmin, deemax, tmaxfd, stemax; | |
212 | // --- Define the various materials for GEANT --- | |
213 | ||
214 | // Aluminum | |
215 | AliMaterial(9, "Al$", 26.98, 13., 2.7, 8.9, 37.2); | |
216 | AliMaterial(29, "Al$", 26.98, 13., 2.7, 8.9, 37.2); | |
217 | ||
218 | // Iron | |
219 | AliMaterial(10, "Fe$", 55.85, 26., 7.87, 1.76, 17.1); | |
220 | AliMaterial(30, "Fe$", 55.85, 26., 7.87, 1.76, 17.1); | |
221 | ||
222 | // Air | |
223 | AliMaterial(15, "Air$", 14.61, 7.3, .001205, 30420., 67500); | |
224 | AliMaterial(35, "Air$", 14.61, 7.3, .001205, 30420., 67500); | |
225 | ||
226 | // **************** | |
227 | // Defines tracking media parameters. | |
228 | // Les valeurs sont commentees pour laisser le defaut | |
229 | // a GEANT (version 3-21, page CONS200), f.m. | |
230 | epsil = .001; // Tracking precision, | |
231 | stemax = -1.; // Maximum displacement for multiple scat | |
232 | tmaxfd = -20.; // Maximum angle due to field deflection | |
233 | deemax = -.3; // Maximum fractional energy loss, DLS | |
234 | stmin = -.8; | |
235 | // *************** | |
236 | ||
237 | // IRON | |
238 | ||
b43eb0dc | 239 | AliMedium(10, "FE_C0 ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
240 | AliMedium(30, "FE_C1 ", 30, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
fe4da5cc | 241 | |
242 | // ALUMINUM | |
243 | ||
b43eb0dc | 244 | AliMedium(9, "ALU_C0 ", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
245 | AliMedium(29, "ALU_C1 ", 29, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
fe4da5cc | 246 | |
247 | // AIR | |
248 | ||
b43eb0dc | 249 | AliMedium(15, "AIR_C0 ", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
250 | AliMedium(35, "AIR_C1 ", 35, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
fe4da5cc | 251 | } |
252 | ||
253 | //_____________________________________________________________________________ | |
b8032157 | 254 | void AliMAG::DrawModule() |
fe4da5cc | 255 | { |
256 | // | |
257 | // Draw a shaded view of the L3 magnet | |
258 | // | |
259 | } | |
260 | ||
261 | //_____________________________________________________________________________ | |
262 | void AliMAG::Init() | |
263 | { | |
264 | // | |
265 | // Initialise L3 magnet after it has been built | |
266 | Int_t i; | |
267 | // | |
268 | printf("\n"); | |
269 | for(i=0;i<35;i++) printf("*"); | |
270 | printf(" MAG_INIT "); | |
271 | for(i=0;i<35;i++) printf("*"); | |
272 | printf("\n"); | |
273 | // | |
274 | // Here the MAG initialisation code (if any!) | |
275 | for(i=0;i<80;i++) printf("*"); | |
276 | printf("\n"); | |
277 | } | |
278 |