1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
18 Revision 1.9 2001/05/16 14:57:22 alibrary
19 New files for folders and Stack
21 Revision 1.8 2000/10/02 21:28:15 fca
22 Removal of useless dependecies via forward declarations
24 Revision 1.7 2000/06/11 12:35:56 morsch
25 Coding rule violations corrected
27 Revision 1.6 1999/09/29 09:24:30 fca
28 Introduction of the Copyright and cvs Log
32 ///////////////////////////////////////////////////////////////////////////////
38 <img src="picts/AliMAGClass.gif">
41 <font size=+2 color=red>
42 <p>The responsible person for this module is
43 <a href="mailto:andreas.morsch@cern.ch">Andreas Morsch</a>.
49 ///////////////////////////////////////////////////////////////////////////////
58 //_____________________________________________________________________________
62 // Default constructor for L3 magnet
66 //_____________________________________________________________________________
67 AliMAG::AliMAG(const char *name, const char *title)
68 : AliModule(name,title)
71 // Standard constructor for L3 magnet
75 <img src="picts/aliMAG.gif">
84 //_____________________________________________________________________________
85 void AliMAG::CreateGeometry()
88 // Create geometry for L3 magnet
92 <img src="picts/mag.gif">
97 <img src="picts/tree_mag.gif">
101 Int_t *idtmed = fIdtmed->GetArray()-299;
107 // ANGLE POLAIRE MAXIMUM
121 gMC->Gsvolu("L3MO", "PGON", idtmed[334], par, 10);
122 gMC->Gspos("L3MO", 1, "ALIC", 0., -30., 0., 0, "ONLY");
130 gMC->Gsvolu("L3CO", "PGON", idtmed[328], par, 10);
131 gMC->Gspos("L3CO", 1, "L3MO", 0., 0., 0., 0, "ONLY");
137 gMC->Gsvolu("L3C1", "PGON", idtmed[308], par, 10);
138 gMC->Gspos("L3C1", 1, "L3MO", 0., 0., 0., 0, "ONLY");
146 gMC->Gsvolu("L3YO", "PGON", idtmed[329], par, 10);
147 gMC->Gspos("L3YO", 1, "L3MO", 0., 0., 0., 0, "ONLY");
149 // Define the return yoke of L3 (DOOR)
157 gMC->Gsvolu("L3DO", "PGON", idtmed[334], par, 10);
158 gMC->Gsvolu("L3DX", "PGON", idtmed[334], par, 10);
166 gMC->Gsvolu("L3FR", "PGON", idtmed[329], par, 10);
167 gMC->Gsvolu("L3FX", "PGON", idtmed[329], par, 10);
173 gMC->Gsvolu("L3IR", "PGON", idtmed[309], par, 10);
174 gMC->Gsvolu("L3IX", "PGON", idtmed[309], par, 10);
190 dpar[12] = dpar[6] + 50.;
191 gMC->Gsvolu("L3O1", "PGON", idtmed[314], dpar, 13);
192 gMC->Gsvolu("L3O3", "PGON", idtmed[314], dpar, 13);
199 gMC->Gsvolu("L3O2", "PGON", idtmed[314], par, 10);
200 gMC->Gsvolu("L3O4", "PGON", idtmed[314], par, 10);
202 // THE DOOR OPENING HAS TO BE PLACED WITH 'MANY' SINCE THE REGION
203 // WILL CONTAIN A MUON CHAMBER, BEAM PIPE AND BEAM SHIELD
204 // PLACED WITH 'ONLY'.
206 AliMatrix(idrotm[300], 90., 0., 90., 90., 180., 0.);
208 gMC->Gspos("L3DO", 1, "ALIC", 0., -30., 0., 0, "MANY");
209 gMC->Gspos("L3FR", 1, "L3DO", 0., 0., 0., 0, "MANY");
210 gMC->Gspos("L3IR", 1, "L3DO", 0., 0., 0., 0, "MANY");
212 gMC->Gspos("L3DX", 1, "ALIC", 0., -30., 0., idrotm[300], "MANY");
213 gMC->Gspos("L3FX", 1, "L3DX", 0., 0., 0., 0, "MANY");
214 gMC->Gspos("L3IX", 1, "L3DX", 0., 0., 0., 0, "MANY");
216 if (gMC->GetMCGeomType() == kGeant3) {
218 gMC->Gspos("L3O1", 1, "L3FR", 0., 30., 0., 0, "MANY");
219 gMC->Gspos("L3O2", 1, "L3IR", 0., 30., 0., 0, "MANY");
220 gMC->Gspos("L3O3", 1, "L3FX", 0., 30., 0., 0, "MANY");
221 gMC->Gspos("L3O4", 1, "L3IX", 0., 30., 0., 0, "MANY");
225 gMC->Gspos("L3O1", 1, "ALIC", 0., 0., 0., 0, "MANY");
226 gMC->Gspos("L3O2", 1, "ALIC", 0., 0., 0., 0, "MANY");
227 gMC->Gsbool("L3O1", "L3DO");
228 gMC->Gsbool("L3O2", "L3DO");
230 gMC->Gspos("L3O3", 1, "ALIC", 0., 0., 0., idrotm[300], "MANY");
231 gMC->Gspos("L3O4", 1, "ALIC", 0., 0., 0., idrotm[300], "MANY");
232 gMC->Gsbool("L3O3", "L3DX");
233 gMC->Gsbool("L3O4", "L3DX");
237 //_____________________________________________________________________________
238 void AliMAG::CreateMaterials()
241 // Create materials for L3 magnet
244 Int_t isxfld = gAlice->Field()->Integ();
245 Float_t sxmgmx = gAlice->Field()->Max();
247 Float_t epsil, stmin, deemax, tmaxfd, stemax;
248 // --- Define the various materials for GEANT ---
251 AliMaterial(9, "Al$", 26.98, 13., 2.7, 8.9, 37.2);
252 AliMaterial(29, "Al$", 26.98, 13., 2.7, 8.9, 37.2);
255 AliMaterial(10, "Fe$", 55.85, 26., 7.87, 1.76, 17.1);
256 AliMaterial(30, "Fe$", 55.85, 26., 7.87, 1.76, 17.1);
259 AliMaterial(15, "Air$", 14.61, 7.3, .001205, 30420., 67500);
260 AliMaterial(35, "Air$", 14.61, 7.3, .001205, 30420., 67500);
263 // Defines tracking media parameters.
264 // Les valeurs sont commentees pour laisser le defaut
265 // a GEANT (version 3-21, page CONS200), f.m.
266 epsil = .001; // Tracking precision,
267 stemax = -1.; // Maximum displacement for multiple scat
268 tmaxfd = -20.; // Maximum angle due to field deflection
269 deemax = -.3; // Maximum fractional energy loss, DLS
275 AliMedium(10, "FE_C0 ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
276 AliMedium(30, "FE_C1 ", 30, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
280 AliMedium(9, "ALU_C0 ", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
281 AliMedium(29, "ALU_C1 ", 29, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
285 AliMedium(15, "AIR_C0 ", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
286 AliMedium(35, "AIR_C1 ", 35, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
289 //_____________________________________________________________________________
290 void AliMAG::DrawModule()
293 // Draw a shaded view of the L3 magnet
297 //_____________________________________________________________________________
301 // Initialise L3 magnet after it has been built
305 printf("\n%s: ",ClassName());
306 for(i=0;i<35;i++) printf("*");
307 printf(" MAG_INIT ");
308 for(i=0;i<35;i++) printf("*");
309 printf("\n%s: ",ClassName());
311 // Here the MAG initialisation code (if any!)
312 for(i=0;i<80;i++) printf("*");