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 1.13 2002/11/06 15:20:32 hristov
19 Corrected logics (I.Hrivnacova)
21 Revision 1.12 2002/11/01 10:59:49 hristov
22 Correcting geometry (corresponds to version 1.9)
24 Revision 1.11 2002/10/17 16:33:07 hristov
25 Corrected check of the MC type
27 Revision 1.10 2002/10/17 16:14:05 hristov
28 MAG geometry with resolved MANY (I.Hrivnacova)
30 Revision 1.9 2001/05/16 14:57:22 alibrary
31 New files for folders and Stack
33 Revision 1.8 2000/10/02 21:28:15 fca
34 Removal of useless dependecies via forward declarations
36 Revision 1.7 2000/06/11 12:35:56 morsch
37 Coding rule violations corrected
39 Revision 1.6 1999/09/29 09:24:30 fca
40 Introduction of the Copyright and cvs Log
44 ///////////////////////////////////////////////////////////////////////////////
50 <img src="picts/AliMAGClass.gif">
53 <font size=+2 color=red>
54 <p>The responsible person for this module is
55 <a href="mailto:andreas.morsch@cern.ch">Andreas Morsch</a>.
61 ///////////////////////////////////////////////////////////////////////////////
69 //_____________________________________________________________________________
73 // Default constructor for L3 magnet
77 //_____________________________________________________________________________
78 AliMAG::AliMAG(const char *name, const char *title)
79 : AliModule(name,title)
82 // Standard constructor for L3 magnet
86 <img src="picts/aliMAG.gif">
95 //_____________________________________________________________________________
96 void AliMAG::CreateGeometry()
99 // Create geometry for L3 magnet
103 <img src="picts/mag.gif">
108 <img src="picts/tree_mag.gif">
112 Int_t *idtmed = fIdtmed->GetArray()-299;
118 // ANGLE POLAIRE MAXIMUM
132 gMC->Gsvolu("L3MO", "PGON", idtmed[334], par, 10);
133 gMC->Gspos("L3MO", 1, "ALIC", 0., -30., 0., 0, "ONLY");
141 gMC->Gsvolu("L3CO", "PGON", idtmed[328], par, 10);
142 gMC->Gspos("L3CO", 1, "L3MO", 0., 0., 0., 0, "ONLY");
148 gMC->Gsvolu("L3C1", "PGON", idtmed[308], par, 10);
149 gMC->Gspos("L3C1", 1, "L3MO", 0., 0., 0., 0, "ONLY");
157 gMC->Gsvolu("L3YO", "PGON", idtmed[329], par, 10);
158 gMC->Gspos("L3YO", 1, "L3MO", 0., 0., 0., 0, "ONLY");
160 // Define the return yoke of L3 (DOOR)
168 gMC->Gsvolu("L3DO", "PGON", idtmed[334], par, 10);
169 gMC->Gsvolu("L3DX", "PGON", idtmed[334], par, 10);
177 gMC->Gsvolu("L3FR", "PGON", idtmed[329], par, 10);
178 gMC->Gsvolu("L3FX", "PGON", idtmed[329], par, 10);
184 gMC->Gsvolu("L3IR", "PGON", idtmed[309], par, 10);
185 gMC->Gsvolu("L3IX", "PGON", idtmed[309], par, 10);
201 dpar[12] = dpar[6] + 50.;
202 gMC->Gsvolu("L3O1", "PGON", idtmed[314], dpar, 13);
203 gMC->Gsvolu("L3O3", "PGON", idtmed[314], dpar, 13);
210 gMC->Gsvolu("L3O2", "PGON", idtmed[314], par, 10);
211 gMC->Gsvolu("L3O4", "PGON", idtmed[314], par, 10);
213 // THE DOOR OPENING HAS TO BE PLACED WITH 'MANY' SINCE THE REGION
214 // WILL CONTAIN A MUON CHAMBER, BEAM PIPE AND BEAM SHIELD
215 // PLACED WITH 'ONLY'.
217 AliMatrix(idrotm[300], 90., 0., 90., 90., 180., 0.);
219 gMC->Gspos("L3DO", 1, "ALIC", 0., -30., 0., 0, "MANY");
220 gMC->Gspos("L3FR", 1, "L3DO", 0., 0., 0., 0, "MANY");
221 gMC->Gspos("L3IR", 1, "L3DO", 0., 0., 0., 0, "MANY");
223 gMC->Gspos("L3DX", 1, "ALIC", 0., -30., 0., idrotm[300], "MANY");
224 gMC->Gspos("L3FX", 1, "L3DX", 0., 0., 0., 0, "MANY");
225 gMC->Gspos("L3IX", 1, "L3DX", 0., 0., 0., 0, "MANY");
227 if(!strcmp(gMC->GetName(),"TGeant3")) {
229 gMC->Gspos("L3O1", 1, "L3FR", 0., 30., 0., 0, "MANY");
230 gMC->Gspos("L3O2", 1, "L3IR", 0., 30., 0., 0, "MANY");
231 gMC->Gspos("L3O3", 1, "L3FX", 0., 30., 0., 0, "MANY");
232 gMC->Gspos("L3O4", 1, "L3IX", 0., 30., 0., 0, "MANY");
236 gMC->Gspos("L3O1", 1, "ALIC", 0., 0., 0., 0, "MANY");
237 gMC->Gspos("L3O2", 1, "ALIC", 0., 0., 0., 0, "MANY");
238 gMC->Gsbool("L3O1", "L3DO");
239 gMC->Gsbool("L3O2", "L3DO");
241 gMC->Gspos("L3O3", 1, "ALIC", 0., 0., 0., idrotm[300], "MANY");
242 gMC->Gspos("L3O4", 1, "ALIC", 0., 0., 0., idrotm[300], "MANY");
243 gMC->Gsbool("L3O3", "L3DX");
244 gMC->Gsbool("L3O4", "L3DX");
248 //_____________________________________________________________________________
249 void AliMAG::CreateMaterials()
252 // Create materials for L3 magnet
255 Int_t isxfld = gAlice->Field()->Integ();
256 Float_t sxmgmx = gAlice->Field()->Max();
258 Float_t epsil, stmin, deemax, tmaxfd, stemax;
259 // --- Define the various materials for GEANT ---
262 AliMaterial(9, "Al$", 26.98, 13., 2.7, 8.9, 37.2);
263 AliMaterial(29, "Al$", 26.98, 13., 2.7, 8.9, 37.2);
266 AliMaterial(10, "Fe$", 55.85, 26., 7.87, 1.76, 17.1);
267 AliMaterial(30, "Fe$", 55.85, 26., 7.87, 1.76, 17.1);
270 AliMaterial(15, "Air$", 14.61, 7.3, .001205, 30420., 67500);
271 AliMaterial(35, "Air$", 14.61, 7.3, .001205, 30420., 67500);
274 // Defines tracking media parameters.
275 // Les valeurs sont commentees pour laisser le defaut
276 // a GEANT (version 3-21, page CONS200), f.m.
277 epsil = .001; // Tracking precision,
278 stemax = -1.; // Maximum displacement for multiple scat
279 tmaxfd = -20.; // Maximum angle due to field deflection
280 deemax = -.3; // Maximum fractional energy loss, DLS
286 AliMedium(10, "FE_C0 ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
287 AliMedium(30, "FE_C1 ", 30, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
291 AliMedium(9, "ALU_C0 ", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
292 AliMedium(29, "ALU_C1 ", 29, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
296 AliMedium(15, "AIR_C0 ", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
297 AliMedium(35, "AIR_C1 ", 35, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
300 //_____________________________________________________________________________
301 void AliMAG::DrawModule()
304 // Draw a shaded view of the L3 magnet
308 //_____________________________________________________________________________
312 // Initialise L3 magnet after it has been built
316 printf("\n%s: ",ClassName());
317 for(i=0;i<35;i++) printf("*");
318 printf(" MAG_INIT ");
319 for(i=0;i<35;i++) printf("*");
320 printf("\n%s: ",ClassName());
322 // Here the MAG initialisation code (if any!)
323 for(i=0;i<80;i++) printf("*");