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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$Log$
43ea1292 18Revision 1.8 2000/10/02 21:28:15 fca
19Removal of useless dependecies via forward declarations
20
94de3818 21Revision 1.7 2000/06/11 12:33:34 morsch
22Coding rule violations corrected
23
b43eb0dc 24Revision 1.6 1999/09/29 09:24:30 fca
25Introduction of the Copyright and cvs Log
26
4c039060 27*/
28
fe4da5cc 29///////////////////////////////////////////////////////////////////////////////
30// //
31// Magnetic Dipole version 1 //
32// //
33//Begin_Html
34/*
1439f98e 35<img src="picts/AliDIPOv1Class.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
49#include "AliDIPOv1.h"
50#include "AliRun.h"
94de3818 51#include "AliMagF.h"
fe4da5cc 52
53ClassImp(AliDIPOv1)
54
55//_____________________________________________________________________________
b8032157 56AliDIPOv1::AliDIPOv1()
fe4da5cc 57{
58 //
59 // Default constructor for the magnetic dipole version 1
60 //
61}
62
63//_____________________________________________________________________________
64AliDIPOv1::AliDIPOv1(const char *name, const char *title)
65 : AliDIPO(name,title)
66{
67 //
68 // Standard constructor for magnetic dipole version 1
69 //
70 SetMarkerColor(7);
71 SetMarkerStyle(2);
72 SetMarkerSize(0.4);
73}
74
75//_____________________________________________________________________________
76void AliDIPOv1::CreateGeometry()
77{
78 //
79 // Creation of the geometry of the magnetic DIPOLE version 1
80 //
81 //Begin_Html
82 /*
1439f98e 83 <img src="picts/AliDIPOv1Tree.gif">
fe4da5cc 84 */
85 //End_Html
86 //Begin_Html
87 /*
1439f98e 88 <img src="picts/AliDIPOv1.gif">
fe4da5cc 89 */
90 //End_Html
91
fe4da5cc 92 Float_t par[5];
93
ad51aeb0 94 Int_t *idtmed = fIdtmed->GetArray()-1799;
fe4da5cc 95
96 //abs_d = 90.; // DEFINES DRIFT LENGTH
97 //z_nose = 102.;
98 //z_cone = 285.;
99 //theta1 = 24.; // 1. angle defining the front absorber
100 //theta2 = 5.; // 2. angle defining the front absorbe
101 //acc_max = 9.; // ANGLE POLAIRE MAXIMUM
102 //acc_min = 2.; // ANGLE POLAIRE MINIMUM DE DETECTION
103 //abs_l = 503.;
104 //d_steel = 1.; // THICKNESS OF STEEL SUPPORT
105 //d_poly = 7.5;
106 //d_pb = 2.5;
107 //abs_cc = 315.; // DEFINES LENGTH OF CARBON
108 //abs_c = 358.;
109 //abs_s = 150.; // DEFINES W-SHIELD LENGTH
110 //abs_n = 80.; // START OF NOSE
111 //r_abs = 4.;
112 //r_pb = .1;
113 //epsilon = .01;
114 //theta_r = 3.;
115 //d_rear = 35.;
116 //theta_open = .75;
117
118 //z_l3 = 700.;
119 //zmag_in = 725.;
120 //zmag_out = 1225.;
121 //zfil_in = 1471.;
122 //zfil_out = 1591.;
123 //zcon_in = 1900.;
124 //zcon_out = 2e3;
125 //zcone_e = 859.0875;
126 //spec_l = 1800.;
127 //zplug_in = 1780.;
128 //zplug_out = 1900.;
129
130 // Chamber position
131 // CZ1=515.5
132 //cz1 = 511.;
133 //cz2 = 686.;
134 //cz3 = 971.;
135 //cz4 = 1245.;
136 //cz5 = 1445.;
137 //cz6 = 1610.;
138 //cz7 = 1710.;
139
140
141 // DIPOLE MAGNET
142 par[0] = 0.;
143 par[1] = 280.;
144 par[2] = 250.;
cfce8870 145 gMC->Gsvolu("DDIP", "TUBE", idtmed[1801], par, 3);
fe4da5cc 146
147 // COIL
148 par[0] = 250.;
149 par[1] = 125.;
150 par[2] = 165.;
151 par[3] = 204.;
152 par[4] = 244.;
153
cfce8870 154 gMC->Gsvolu("DIPC", "CONE", idtmed[1810], par, 5);
155 gMC->Gspos("DIPC", 1, "DDIP", 0., 0., 0., 0, "ONLY");
fe4da5cc 156 par[0] = 250.;
157 par[1] = 115.;
158 par[2] = 125.;
159 par[3] = 194.;
160 par[4] = 204.;
cfce8870 161 gMC->Gsvolu("DIIC", "CONE", idtmed[1807], par, 5);
162 gMC->Gspos("DIIC", 1, "DDIP", 0., 0., 0., 0, "ONLY");
fe4da5cc 163
164 // YOKE
165 par[0] = 250.;
166 par[1] = 165.;
167 par[2] = 195.;
168 par[3] = 244.;
169 par[4] = 274.;
170
cfce8870 171 gMC->Gsvolu("DIPY", "CONE", idtmed[1834], par, 5);
172 gMC->Gspos("DIPY", 1, "DDIP", 0., 0., 0., 0, "ONLY");
173 gMC->Gspos("DDIP", 1, "ALIC", 0., 0., 725.+250, 0, "ONLY");
fe4da5cc 174}
175
176//_____________________________________________________________________________
b8032157 177void AliDIPOv1::DrawModule()
fe4da5cc 178{
179 //
180 // Draw a shaded view of the muon absorber
181 //
182
fe4da5cc 183 // Set everything unseen
cfce8870 184 gMC->Gsatt("*", "seen", -1);
fe4da5cc 185 //
186 // Set ALIC mother transparent
cfce8870 187 gMC->Gsatt("ALIC","SEEN",0);
fe4da5cc 188 //
189 // Set the volumes visible
cfce8870 190 gMC->Gsatt("DDIP","seen",1);
191 gMC->Gsatt("DIPC","seen",1);
192 gMC->Gsatt("DIIC","seen",1);
193 gMC->Gsatt("DIPY","seen",1);
fe4da5cc 194 //
cfce8870 195 gMC->Gdopt("hide", "on");
196 gMC->Gdopt("shad", "on");
197 gMC->Gsatt("*", "fill", 7);
198 gMC->SetClipBox(".");
199 gMC->SetClipBox(".");
200 gMC->DefaultRange();
201 gMC->Gdraw("alic", 30, 30, 0, 17, 13.5, .019, .019);
202 gMC->Gdhead(1111, "Magnetic Dipole Version 1");
203 gMC->Gdman(16, 4, "MAN");
fe4da5cc 204}
205
206//_____________________________________________________________________________
207void AliDIPOv1::CreateMaterials()
208{
209 //
210 // Create Materials for Dipole Magnet version 1
211 //
212
b43eb0dc 213 Int_t isxfld = gAlice->Field()->Integ();
214 Float_t sxmgmx = gAlice->Field()->Max();
fe4da5cc 215
216 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
217 Float_t zsteel[4] = { 26.,24.,28.,14. };
218 Float_t wsteel[4] = { .715,.18,.1,.005 };
219 Float_t epsil, stmin, deemax, tmaxfd, stemax;
220
221 // STEEL
222
223
224 // --- Define the various materials for GEANT ---
ad51aeb0 225 AliMaterial(9, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2);
226 AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500);
227 AliMaterial(10, "IRON$ ", 55.85, 26., 7.87, 0, 17.1);
228 AliMaterial(16, "VACUUM$ ", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
229 AliMixture(24, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
fe4da5cc 230
231 // ****************
232 // Defines tracking media parameters.
233 // Les valeurs sont commentees pour laisser le defaut
234 // a GEANT (version 3-21, page CONS200), f.m.
235 epsil = .001; // Tracking precision,
236 stemax = -1.; // Maximum displacement for multiple scat
237 tmaxfd = -20.; // Maximum angle due to field deflection
238 deemax = -.3; // Maximum fractional energy loss, DLS
239 stmin = -.8;
240 // ***************
241
242 // Air
243
b43eb0dc 244 AliMedium(1, "AIR_DI_US ", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
245 AliMedium(2, "AIR_DI_US ", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
246 AliMedium(3, "AIR_L3_US ", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
fe4da5cc 247
248 // Aluminum
249
b43eb0dc 250 AliMedium(8, "ALU_DI_US ", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
251 AliMedium(11, "ALU_DI_SH ", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
fe4da5cc 252
253 // Iron
254
b43eb0dc 255 AliMedium(31, "FE_NF_US ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
256 AliMedium(32, "FE_DI_US ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
257 AliMedium(33, "FE_L3_US ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
258 AliMedium(34, "FE_NF_SH ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
259 AliMedium(35, "FE_DI_SH ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
260 AliMedium(36, "FE_L3_SH ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
fe4da5cc 261
262 // Vacuum
263
b43eb0dc 264 AliMedium(37, "VA_NF_US ", 16, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
265 AliMedium(38, "VA_DI_US ", 16, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
266 AliMedium(39, "VA_L3_US ", 16, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
fe4da5cc 267
268 // Steel
269
b43eb0dc 270 AliMedium(75, "ST_L3_US ", 24, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
fe4da5cc 271}
272