]>
Commit | Line | Data |
---|---|---|
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 | /* $Id$ */ | |
17 | ||
18 | /////////////////////////////////////////////////////////////////////////////// | |
19 | // // | |
20 | // Alice external volume // | |
21 | // This class contains the description of the Alice external volume // | |
22 | // // | |
23 | //Begin_Html | |
24 | /* | |
25 | <img src="picts/AliBODYClass.gif"> | |
26 | </pre> | |
27 | <br clear=left> | |
28 | <font size=+2 color=red> | |
29 | <p>The responsible person for this module is | |
30 | <a href="mailto:andreas.morsch@cern.ch">Andreas Morsch</a>. | |
31 | </font> | |
32 | <pre> | |
33 | */ | |
34 | //End_Html | |
35 | // // | |
36 | // // | |
37 | /////////////////////////////////////////////////////////////////////////////// | |
38 | ||
39 | #include <TGeoGlobalMagField.h> | |
40 | #include <TVirtualMC.h> | |
41 | #include <TArrayI.h> | |
42 | ||
43 | #include "AliBODY.h" | |
44 | #include "AliMagF.h" | |
45 | #include "AliRun.h" | |
46 | ||
47 | ClassImp(AliBODY) | |
48 | ||
49 | //_____________________________________________________________________________ | |
50 | AliBODY::AliBODY() | |
51 | { | |
52 | // | |
53 | // Default constructor | |
54 | // | |
55 | } | |
56 | ||
57 | //_____________________________________________________________________________ | |
58 | AliBODY::AliBODY(const char *name, const char *title) | |
59 | : AliModule(name,title) | |
60 | { | |
61 | // | |
62 | // Standard constructor of the Alice external volume | |
63 | // | |
64 | //PH SetMarkerColor(7); | |
65 | //PH SetMarkerStyle(2); | |
66 | //PH SetMarkerSize(0.4); | |
67 | } | |
68 | ||
69 | //_____________________________________________________________________________ | |
70 | void AliBODY::CreateGeometry() | |
71 | { | |
72 | // | |
73 | // Create the geometry of the Alice external body | |
74 | // | |
75 | //Begin_Html | |
76 | /* | |
77 | <img src="picts/AliBODYTree.gif"> | |
78 | */ | |
79 | //End_Html | |
80 | // | |
81 | // If the ZDC is present we have an asymmetric box | |
82 | // made by a four sides polygone | |
83 | // | |
84 | //Begin_Html | |
85 | /* | |
86 | <img src="picts/AliBODYLarge.gif"> | |
87 | */ | |
88 | //End_Html | |
89 | // | |
90 | // If the ZDC is not present make just a BOX | |
91 | // | |
92 | //Begin_Html | |
93 | /* | |
94 | <img src="picts/AliBODYSmall.gif"> | |
95 | */ | |
96 | //End_Html | |
97 | ||
98 | Float_t dALIC[10]; | |
99 | Int_t *idtmed = fIdtmed->GetArray()+1; | |
100 | // | |
101 | if(gAlice->GetModule("ZDC")) { | |
102 | // | |
103 | // If the ZDC is present we have an asymmetric box | |
104 | // made by a four sides polygone | |
105 | // | |
106 | dALIC[0]=45; | |
107 | dALIC[1]=360; | |
108 | dALIC[2]=4; | |
109 | dALIC[3]=2; | |
110 | ||
111 | dALIC[4]=-15000; | |
112 | dALIC[5]=0; | |
113 | dALIC[6]=2500; | |
114 | ||
115 | dALIC[7]=15000; | |
116 | dALIC[8]=0; | |
117 | dALIC[9]=2500; | |
118 | gMC->Gsvolu("ALIC","PGON",idtmed[1],dALIC,10); | |
119 | } else if ( gAlice->GetModule("ACORDE")) { | |
120 | // | |
121 | // If the Cosmic Ray Trigger is present we need a large box | |
122 | // | |
123 | // | |
124 | dALIC[0]=13000.; | |
125 | dALIC[1]=5000.; | |
126 | dALIC[2]=13000.; | |
127 | gMC->Gsvolu("ALIC","BOX ",idtmed[1],dALIC,3); | |
128 | ||
129 | } else { | |
130 | // | |
131 | // If the ZDC and ACORDE are not present make just a BOX | |
132 | // | |
133 | dALIC[0]=2000; | |
134 | dALIC[1]=2000; | |
135 | dALIC[2]=3000; | |
136 | gMC->Gsvolu("ALIC","BOX ",idtmed[1],dALIC,3); | |
137 | } | |
138 | } | |
139 | ||
140 | //_____________________________________________________________________________ | |
141 | void AliBODY::CreateMaterials() | |
142 | { | |
143 | // Create materials and media | |
144 | Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ(); | |
145 | Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max(); | |
146 | ||
147 | // AIR | |
148 | ||
149 | Float_t aAir[4]={12.0107,14.0067,15.9994,39.948}; | |
150 | Float_t zAir[4]={6.,7.,8.,18.}; | |
151 | Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827}; | |
152 | Float_t dAir = 1.20479E-3 * 960./1014.; | |
153 | Float_t dAir1 = 1.20479E-10; | |
154 | // | |
155 | AliMixture(1,"Vacuum $",aAir,zAir,dAir1,4,wAir); | |
156 | AliMixture(2,"Air $",aAir,zAir,dAir,4,wAir); | |
157 | AliMaterial(3,"Be $", 9.01,4 ,1.848 ,35.30,36.70); | |
158 | // | |
159 | AliMedium(1,"Vacuum $",1,0,isxfld,sxmgmx,10,1,0.1,0.1,10); | |
160 | AliMedium(2,"Air $",2,0,isxfld,sxmgmx,10,-1,-0.1,0.1 ,-10); | |
161 | AliMedium(3,"Be pipe $",3,0,isxfld,sxmgmx,10,0.1,0.1,0.01,0.01); | |
162 | } | |
163 |