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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 | ||
eeacf08b | 16 | /* $Id$ */ |
4c039060 | 17 | |
fe4da5cc | 18 | /////////////////////////////////////////////////////////////////////////////// |
19 | // // | |
20 | // Alice external volume // | |
21 | // This class contains the description of the Alice external volume // | |
22 | // // | |
23 | //Begin_Html | |
24 | /* | |
1439f98e | 25 | <img src="picts/AliBODYClass.gif"> |
fe4da5cc | 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 | ||
f7a1cc68 | 39 | #include <TGeoGlobalMagField.h> |
88cb7938 | 40 | #include <TVirtualMC.h> |
c93255fe | 41 | #include <TArrayI.h> |
88cb7938 | 42 | |
b8032157 | 43 | #include "AliBODY.h" |
88cb7938 | 44 | #include "AliMagF.h" |
45 | #include "AliRun.h" | |
fe4da5cc | 46 | |
47 | ClassImp(AliBODY) | |
48 | ||
49 | //_____________________________________________________________________________ | |
b8032157 | 50 | AliBODY::AliBODY() |
fe4da5cc | 51 | { |
52 | // | |
53 | // Default constructor | |
54 | // | |
55 | } | |
56 | ||
57 | //_____________________________________________________________________________ | |
58 | AliBODY::AliBODY(const char *name, const char *title) | |
b8032157 | 59 | : AliModule(name,title) |
fe4da5cc | 60 | { |
61 | // | |
62 | // Standard constructor of the Alice external volume | |
63 | // | |
e939a978 | 64 | //PH SetMarkerColor(7); |
65 | //PH SetMarkerStyle(2); | |
66 | //PH SetMarkerSize(0.4); | |
fe4da5cc | 67 | } |
68 | ||
fe4da5cc | 69 | //_____________________________________________________________________________ |
70 | void AliBODY::CreateGeometry() | |
71 | { | |
72 | // | |
73 | // Create the geometry of the Alice external body | |
74 | // | |
75 | //Begin_Html | |
76 | /* | |
1439f98e | 77 | <img src="picts/AliBODYTree.gif"> |
fe4da5cc | 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 | /* | |
1439f98e | 86 | <img src="picts/AliBODYLarge.gif"> |
fe4da5cc | 87 | */ |
88 | //End_Html | |
89 | // | |
90 | // If the ZDC is not present make just a BOX | |
91 | // | |
92 | //Begin_Html | |
93 | /* | |
1439f98e | 94 | <img src="picts/AliBODYSmall.gif"> |
fe4da5cc | 95 | */ |
96 | //End_Html | |
97 | ||
b43eb0dc | 98 | Float_t dALIC[10]; |
ad51aeb0 | 99 | Int_t *idtmed = fIdtmed->GetArray()+1; |
fe4da5cc | 100 | // |
b8032157 | 101 | if(gAlice->GetModule("ZDC")) { |
fe4da5cc | 102 | // |
eaa85827 | 103 | dALIC[0]=2500.; |
104 | dALIC[1]=2500.; | |
105 | dALIC[2]=15000.; | |
106 | gMC->Gsvolu("ALIC","BOX ",idtmed[1],dALIC,3); | |
b384f8a4 | 107 | } else if ( gAlice->GetModule("ACORDE")) { |
e158117c | 108 | // |
109 | // If the Cosmic Ray Trigger is present we need a large box | |
110 | // | |
111 | // | |
00ad641c | 112 | dALIC[0]=13000.; |
e158117c | 113 | dALIC[1]=5000.; |
00ad641c | 114 | dALIC[2]=13000.; |
e158117c | 115 | gMC->Gsvolu("ALIC","BOX ",idtmed[1],dALIC,3); |
116 | ||
fe4da5cc | 117 | } else { |
118 | // | |
b384f8a4 | 119 | // If the ZDC and ACORDE are not present make just a BOX |
fe4da5cc | 120 | // |
b43eb0dc | 121 | dALIC[0]=2000; |
122 | dALIC[1]=2000; | |
123 | dALIC[2]=3000; | |
124 | gMC->Gsvolu("ALIC","BOX ",idtmed[1],dALIC,3); | |
fe4da5cc | 125 | } |
126 | } | |
127 | ||
128 | //_____________________________________________________________________________ | |
129 | void AliBODY::CreateMaterials() | |
130 | { | |
b43eb0dc | 131 | // Create materials and media |
f7a1cc68 | 132 | Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ(); |
133 | Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max(); | |
6a894888 | 134 | |
135 | // AIR | |
136 | ||
137 | Float_t aAir[4]={12.0107,14.0067,15.9994,39.948}; | |
138 | Float_t zAir[4]={6.,7.,8.,18.}; | |
139 | Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827}; | |
7277fb9a | 140 | Float_t dAir = 1.20479E-3 * 960./1014.; |
6a894888 | 141 | Float_t dAir1 = 1.20479E-10; |
fe4da5cc | 142 | // |
6a894888 | 143 | AliMixture(1,"Vacuum $",aAir,zAir,dAir1,4,wAir); |
144 | AliMixture(2,"Air $",aAir,zAir,dAir,4,wAir); | |
fe4da5cc | 145 | AliMaterial(3,"Be $", 9.01,4 ,1.848 ,35.30,36.70); |
146 | // | |
b43eb0dc | 147 | AliMedium(1,"Vacuum $",1,0,isxfld,sxmgmx,10,1,0.1,0.1,10); |
148 | AliMedium(2,"Air $",2,0,isxfld,sxmgmx,10,-1,-0.1,0.1 ,-10); | |
149 | AliMedium(3,"Be pipe $",3,0,isxfld,sxmgmx,10,0.1,0.1,0.01,0.01); | |
fe4da5cc | 150 | } |
151 |