1 | // |
---|
2 | // ******************************************************************** |
---|
3 | // * License and Disclaimer * |
---|
4 | // * * |
---|
5 | // * The Geant4 software is copyright of the Copyright Holders of * |
---|
6 | // * the Geant4 Collaboration. It is provided under the terms and * |
---|
7 | // * conditions of the Geant4 Software License, included in the file * |
---|
8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
---|
9 | // * include a list of copyright holders. * |
---|
10 | // * * |
---|
11 | // * Neither the authors of this software system, nor their employing * |
---|
12 | // * institutes,nor the agencies providing financial support for this * |
---|
13 | // * work make any representation or warranty, express or implied, * |
---|
14 | // * regarding this software system or assume any liability for its * |
---|
15 | // * use. Please see the license in the file LICENSE and URL above * |
---|
16 | // * for the full disclaimer and the limitation of liability. * |
---|
17 | // * * |
---|
18 | // * This code implementation is the result of the scientific and * |
---|
19 | // * technical work of the GEANT4 collaboration. * |
---|
20 | // * By using, copying, modifying or distributing the software (or * |
---|
21 | // * any work based on the software) you agree to acknowledge its * |
---|
22 | // * use in resulting scientific publications, and indicate your * |
---|
23 | // * acceptance of all terms of the Geant4 Software license. * |
---|
24 | // ******************************************************************** |
---|
25 | // |
---|
26 | // %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
---|
27 | // |
---|
28 | // |
---|
29 | #include "exGPSGeometryConstruction.hh" |
---|
30 | |
---|
31 | #include "G4Material.hh" |
---|
32 | #include "G4Element.hh" |
---|
33 | #include "G4Box.hh" |
---|
34 | #include "G4Sphere.hh" |
---|
35 | #include "G4LogicalVolume.hh" |
---|
36 | #include "G4ThreeVector.hh" |
---|
37 | #include "G4PVPlacement.hh" |
---|
38 | |
---|
39 | #include "G4VisAttributes.hh" |
---|
40 | #include "G4Colour.hh" |
---|
41 | |
---|
42 | |
---|
43 | //////////////////////////////////////////////////////////////////////////////// |
---|
44 | // |
---|
45 | exGPSGeometryConstruction::exGPSGeometryConstruction () |
---|
46 | {;} |
---|
47 | //////////////////////////////////////////////////////////////////////////////// |
---|
48 | // |
---|
49 | exGPSGeometryConstruction::~exGPSGeometryConstruction () |
---|
50 | {;} |
---|
51 | //////////////////////////////////////////////////////////////////////////////// |
---|
52 | // |
---|
53 | G4VPhysicalVolume* exGPSGeometryConstruction::Construct () |
---|
54 | { |
---|
55 | // |
---|
56 | // |
---|
57 | // Define materials. |
---|
58 | // |
---|
59 | G4double a, iz, z, density,pressure, temperature; |
---|
60 | G4String name, symbol; |
---|
61 | |
---|
62 | |
---|
63 | density = universe_mean_density; //from PhysicalConstants.h |
---|
64 | pressure = 3.e-18*pascal; |
---|
65 | temperature = 2.73*kelvin; |
---|
66 | G4Material* Vacuum = new G4Material("Vacuum", |
---|
67 | 1., 1.01*g/mole, density, |
---|
68 | kStateGas,temperature,pressure); |
---|
69 | a = 26.98154*g/mole; |
---|
70 | density = 2.70*g/cm3; |
---|
71 | G4Material* Aluminium = new G4Material(name="aluminium", z=13., a, density); |
---|
72 | |
---|
73 | a = 28.0855*g/mole; |
---|
74 | G4Element* elSi = new G4Element(name="silicon", symbol="Si", iz=14., a); |
---|
75 | |
---|
76 | a = 16.00*g/mole; |
---|
77 | G4Element* elO = new G4Element(name="Oxygen", symbol="O", iz=8., a); |
---|
78 | |
---|
79 | density = 2.65*g/cm3; |
---|
80 | G4Material* SiliconDioxide = |
---|
81 | new G4Material(name="silicon oxide", density, 2); |
---|
82 | SiliconDioxide->AddElement(elSi, 1); |
---|
83 | SiliconDioxide->AddElement(elO, 2); |
---|
84 | // |
---|
85 | // Define size of experiment hall and volumes which will fill it. |
---|
86 | // |
---|
87 | G4double world_r = 150.0*mm; |
---|
88 | |
---|
89 | G4double box_x = 100.0*mm; |
---|
90 | G4double box_y = 100.0*mm; |
---|
91 | G4double box_z = 100.0*mm; |
---|
92 | |
---|
93 | G4double sphere_r = 50.0*mm; |
---|
94 | |
---|
95 | // Define bodies, logical volumes and physical volumes. |
---|
96 | // First define the experimental hall. |
---|
97 | // |
---|
98 | G4Sphere * universe_s |
---|
99 | = new G4Sphere("universe_s",0,world_r,0.*deg,360.*deg,0.*deg,180.*deg); |
---|
100 | G4LogicalVolume * universe_log |
---|
101 | = new G4LogicalVolume(universe_s,Vacuum,"universe_L",0,0,0); |
---|
102 | // |
---|
103 | universe_phys |
---|
104 | = new G4PVPlacement(0,G4ThreeVector(),"universe_P", |
---|
105 | universe_log,0,false,0); |
---|
106 | //define an aluminium box |
---|
107 | // |
---|
108 | G4Box * Al_box |
---|
109 | = new G4Box("Al_b",box_x,box_y,box_z); // |
---|
110 | G4LogicalVolume * Al_log |
---|
111 | = new G4LogicalVolume(Al_box,Aluminium,"Box_log",0,0,0); |
---|
112 | // |
---|
113 | Al_phys |
---|
114 | = new G4PVPlacement(0,G4ThreeVector(0.,0.,0.),"Box_phys", |
---|
115 | Al_log,universe_phys,false,0); |
---|
116 | // |
---|
117 | // Define an inner sphere. |
---|
118 | //x1 |
---|
119 | G4Sphere * aSphere_sph |
---|
120 | = new G4Sphere("aSphere",0,sphere_r,0.*deg,360.*deg,0.*deg,180.*deg); |
---|
121 | G4LogicalVolume * aSphere_log |
---|
122 | = new G4LogicalVolume(aSphere_sph,SiliconDioxide,"Sphere_log",0,0,0); |
---|
123 | // |
---|
124 | aSphere_phys |
---|
125 | = new G4PVPlacement(0,G4ThreeVector(0.,0.,0.),"Sphere_phys",aSphere_log, |
---|
126 | Al_phys,false,0); |
---|
127 | |
---|
128 | //--------- Visualization attributes ------------------------------- |
---|
129 | universe_log->SetVisAttributes(G4VisAttributes::Invisible); |
---|
130 | G4VisAttributes* aVisAtt= new G4VisAttributes(G4Colour(0,1.0,1.0)); |
---|
131 | Al_log->SetVisAttributes(aVisAtt); |
---|
132 | G4VisAttributes* bVisAtt= new G4VisAttributes(G4Colour(1.0,2.0,.0)); |
---|
133 | aSphere_log->SetVisAttributes(bVisAtt); |
---|
134 | |
---|
135 | return universe_phys; |
---|
136 | } |
---|
137 | |
---|
138 | |
---|
139 | |
---|
140 | |
---|
141 | |
---|
142 | |
---|
143 | |
---|
144 | |
---|
145 | |
---|
146 | |
---|
147 | |
---|