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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 | $Log$ | |
9e1a0ddb | 18 | Revision 1.8 2000/10/02 21:28:15 fca |
19 | Removal of useless dependecies via forward declarations | |
20 | ||
94de3818 | 21 | Revision 1.7 2000/06/11 12:35:56 morsch |
22 | Coding rule violations corrected | |
23 | ||
b43eb0dc | 24 | Revision 1.6 1999/09/29 09:24:30 fca |
25 | Introduction of the Copyright and cvs Log | |
26 | ||
4c039060 | 27 | */ |
28 | ||
fe4da5cc | 29 | /////////////////////////////////////////////////////////////////////////////// |
30 | // // | |
31 | // L3 Magnet // | |
32 | // // | |
33 | //Begin_Html | |
34 | /* | |
1439f98e | 35 | <img src="picts/AliMAGClass.gif"> |
fe4da5cc | 36 | </pre> |
37 | <br clear=left> | |
38 | <font size=+2 color=red> | |
39 | <p>The responsible person for this module is | |
40 | <a href="mailto:andreas.morsch@cern.ch">Andreas Morsch</a>. | |
41 | </font> | |
42 | <pre> | |
43 | */ | |
44 | //End_Html | |
45 | // // | |
46 | /////////////////////////////////////////////////////////////////////////////// | |
47 | ||
48 | #include "AliMAG.h" | |
49 | #include "AliRun.h" | |
94de3818 | 50 | #include "AliMC.h" |
51 | #include "AliMagF.h" | |
fe4da5cc | 52 | |
53 | ClassImp(AliMAG) | |
54 | ||
55 | //_____________________________________________________________________________ | |
56 | AliMAG::AliMAG() | |
57 | { | |
58 | // | |
59 | // Default constructor for L3 magnet | |
60 | // | |
61 | } | |
62 | ||
63 | //_____________________________________________________________________________ | |
64 | AliMAG::AliMAG(const char *name, const char *title) | |
b8032157 | 65 | : AliModule(name,title) |
fe4da5cc | 66 | { |
67 | // | |
68 | // Standard constructor for L3 magnet | |
69 | // | |
70 | //Begin_Html | |
71 | /* | |
1439f98e | 72 | <img src="picts/aliMAG.gif"> |
fe4da5cc | 73 | */ |
74 | //End_Html | |
75 | ||
76 | SetMarkerColor(7); | |
77 | SetMarkerStyle(2); | |
78 | SetMarkerSize(0.4); | |
79 | } | |
80 | ||
fe4da5cc | 81 | //_____________________________________________________________________________ |
82 | void AliMAG::CreateGeometry() | |
83 | { | |
84 | // | |
85 | // Create geometry for L3 magnet | |
86 | // | |
87 | //Begin_Html | |
88 | /* | |
1439f98e | 89 | <img src="picts/mag.gif"> |
fe4da5cc | 90 | */ |
91 | //End_Html | |
92 | //Begin_Html | |
93 | /* | |
1439f98e | 94 | <img src="picts/tree_mag.gif"> |
fe4da5cc | 95 | */ |
96 | //End_Html | |
97 | ||
ad51aeb0 | 98 | Int_t *idtmed = fIdtmed->GetArray()-299; |
fe4da5cc | 99 | |
100 | Float_t dpar[13]; | |
101 | Int_t idrotm[399]; | |
102 | Float_t par[10]; | |
103 | ||
104 | // ANGLE POLAIRE MAXIMUM | |
105 | ||
106 | // Define Mother | |
107 | ||
108 | par[0] = 22.5; | |
109 | par[1] = 360.; | |
110 | par[2] = 8.; | |
111 | par[3] = 2.; | |
112 | par[4] = -600.; | |
113 | par[5] = 580.; | |
114 | par[6] = 790.; | |
115 | par[7] = 600.; | |
116 | par[8] = 580.; | |
117 | par[9] = 790.; | |
cfce8870 | 118 | gMC->Gsvolu("L3MO", "PGON", idtmed[334], par, 10); |
119 | gMC->Gspos("L3MO", 1, "ALIC", 0., -30., 0., 0, "ONLY"); | |
fe4da5cc | 120 | |
121 | // Define coils | |
122 | ||
123 | par[5] = 585.; | |
124 | par[6] = 690.; | |
125 | par[8] = 585.; | |
126 | par[9] = 690.; | |
cfce8870 | 127 | gMC->Gsvolu("L3CO", "PGON", idtmed[328], par, 10); |
128 | gMC->Gspos("L3CO", 1, "L3MO", 0., 0., 0., 0, "ONLY"); | |
fe4da5cc | 129 | |
130 | par[5] = 580.; | |
131 | par[6] = 585.; | |
132 | par[8] = 580.; | |
133 | par[9] = 585.; | |
cfce8870 | 134 | gMC->Gsvolu("L3C1", "PGON", idtmed[308], par, 10); |
135 | gMC->Gspos("L3C1", 1, "L3MO", 0., 0., 0., 0, "ONLY"); | |
fe4da5cc | 136 | |
137 | // Define yoke | |
138 | ||
139 | par[5] = 690.; | |
140 | par[6] = 790.; | |
141 | par[8] = 690.; | |
142 | par[9] = 790.; | |
cfce8870 | 143 | gMC->Gsvolu("L3YO", "PGON", idtmed[329], par, 10); |
144 | gMC->Gspos("L3YO", 1, "L3MO", 0., 0., 0., 0, "ONLY"); | |
fe4da5cc | 145 | |
146 | // Define the return yoke of L3 (DOOR) | |
147 | ||
148 | par[4] = 600.; | |
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("L3DO", "PGON", idtmed[334], par, 10); |
fe4da5cc | 155 | |
156 | par[4] = 610.; | |
157 | par[5] = 0.; | |
158 | par[6] = 790.; | |
159 | par[7] = 700.; | |
160 | par[8] = par[5]; | |
161 | par[9] = par[6]; | |
cfce8870 | 162 | gMC->Gsvolu("L3FR", "PGON", idtmed[329], par, 10); |
fe4da5cc | 163 | |
164 | // INNER LAYER | |
165 | ||
166 | par[4] = 600.; | |
167 | par[7] = 610.; | |
cfce8870 | 168 | gMC->Gsvolu("L3IR", "PGON", idtmed[309], par, 10); |
fe4da5cc | 169 | |
170 | // DOOR OPENING | |
171 | ||
172 | dpar[0] = 22.5; | |
173 | dpar[1] = 360.; | |
174 | dpar[2] = 8.; | |
175 | dpar[3] = 3.; | |
176 | dpar[4] = 610.; | |
177 | dpar[5] = 0.; | |
178 | dpar[6] = 163.5; | |
179 | dpar[7] = 670.; | |
180 | dpar[8] = dpar[5]; | |
181 | dpar[9] = dpar[6]; | |
182 | dpar[10] = 700.; | |
183 | dpar[11] = dpar[5]; | |
184 | dpar[12] = dpar[6] + 50.; | |
cfce8870 | 185 | gMC->Gsvolu("L3O1", "PGON", idtmed[314], dpar, 13); |
fe4da5cc | 186 | par[4] = 600.; |
187 | par[5] = 0.; | |
188 | par[6] = 163.5; | |
189 | par[7] = 610.; | |
190 | par[8] = 0.; | |
191 | par[9] = 163.5; | |
cfce8870 | 192 | gMC->Gsvolu("L3O2", "PGON", idtmed[314], par, 10); |
fe4da5cc | 193 | |
194 | // THE DOOR OPENING HAS TO BE PLACED WITH 'MANY' SINCE THE REGION | |
195 | // WILL CONTAIN A MUON CHAMBER, BEAM PIPE AND BEAM SHIELD | |
196 | // PLACED WITH 'ONLY'. | |
197 | ||
cfce8870 | 198 | gMC->Gspos("L3O1", 1, "L3FR", 0., 30., 0., 0, "MANY"); |
199 | gMC->Gspos("L3O2", 1, "L3IR", 0., 30., 0., 0, "MANY"); | |
fe4da5cc | 200 | |
cfce8870 | 201 | gMC->Gspos("L3FR", 1, "L3DO", 0., 0., 0., 0, "MANY"); |
202 | gMC->Gspos("L3IR", 1, "L3DO", 0., 0., 0., 0, "MANY"); | |
fe4da5cc | 203 | |
cfce8870 | 204 | gMC->Gspos("L3DO", 1, "ALIC", 0., -30., 0., 0, "MANY"); |
fe4da5cc | 205 | AliMatrix(idrotm[300], 90., 0., 90., 90., 180., 0.); |
cfce8870 | 206 | gMC->Gspos("L3DO", 2, "ALIC", 0., -30., 0., idrotm[300], "MANY"); |
fe4da5cc | 207 | } |
208 | ||
209 | //_____________________________________________________________________________ | |
210 | void AliMAG::CreateMaterials() | |
211 | { | |
212 | // | |
213 | // Create materials for L3 magnet | |
214 | // | |
215 | ||
b43eb0dc | 216 | Int_t isxfld = gAlice->Field()->Integ(); |
217 | Float_t sxmgmx = gAlice->Field()->Max(); | |
fe4da5cc | 218 | |
219 | Float_t epsil, stmin, deemax, tmaxfd, stemax; | |
220 | // --- Define the various materials for GEANT --- | |
221 | ||
222 | // Aluminum | |
223 | AliMaterial(9, "Al$", 26.98, 13., 2.7, 8.9, 37.2); | |
224 | AliMaterial(29, "Al$", 26.98, 13., 2.7, 8.9, 37.2); | |
225 | ||
226 | // Iron | |
227 | AliMaterial(10, "Fe$", 55.85, 26., 7.87, 1.76, 17.1); | |
228 | AliMaterial(30, "Fe$", 55.85, 26., 7.87, 1.76, 17.1); | |
229 | ||
230 | // Air | |
231 | AliMaterial(15, "Air$", 14.61, 7.3, .001205, 30420., 67500); | |
232 | AliMaterial(35, "Air$", 14.61, 7.3, .001205, 30420., 67500); | |
233 | ||
234 | // **************** | |
235 | // Defines tracking media parameters. | |
236 | // Les valeurs sont commentees pour laisser le defaut | |
237 | // a GEANT (version 3-21, page CONS200), f.m. | |
238 | epsil = .001; // Tracking precision, | |
239 | stemax = -1.; // Maximum displacement for multiple scat | |
240 | tmaxfd = -20.; // Maximum angle due to field deflection | |
241 | deemax = -.3; // Maximum fractional energy loss, DLS | |
242 | stmin = -.8; | |
243 | // *************** | |
244 | ||
245 | // IRON | |
246 | ||
b43eb0dc | 247 | AliMedium(10, "FE_C0 ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
248 | AliMedium(30, "FE_C1 ", 30, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
fe4da5cc | 249 | |
250 | // ALUMINUM | |
251 | ||
b43eb0dc | 252 | AliMedium(9, "ALU_C0 ", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
253 | AliMedium(29, "ALU_C1 ", 29, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
fe4da5cc | 254 | |
255 | // AIR | |
256 | ||
b43eb0dc | 257 | AliMedium(15, "AIR_C0 ", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
258 | AliMedium(35, "AIR_C1 ", 35, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
fe4da5cc | 259 | } |
260 | ||
261 | //_____________________________________________________________________________ | |
b8032157 | 262 | void AliMAG::DrawModule() |
fe4da5cc | 263 | { |
264 | // | |
265 | // Draw a shaded view of the L3 magnet | |
266 | // | |
267 | } | |
268 | ||
269 | //_____________________________________________________________________________ | |
270 | void AliMAG::Init() | |
271 | { | |
272 | // | |
273 | // Initialise L3 magnet after it has been built | |
274 | Int_t i; | |
275 | // | |
9e1a0ddb | 276 | if(fDebug) { |
277 | printf("\n%s: ",ClassName()); | |
278 | for(i=0;i<35;i++) printf("*"); | |
279 | printf(" MAG_INIT "); | |
280 | for(i=0;i<35;i++) printf("*"); | |
281 | printf("\n%s: ",ClassName()); | |
282 | // | |
283 | // Here the MAG initialisation code (if any!) | |
284 | for(i=0;i<80;i++) printf("*"); | |
285 | printf("\n"); | |
286 | } | |
fe4da5cc | 287 | } |
288 |