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25 //
26 //
27 /// \file B1DetectorConstruction.cc
28 /// \brief Implementation of the B1DetectorConstruction class
29
30 #include "B1DetectorConstruction.hh"
31
32 #include "G4Box.hh"
33 #include "G4Cons.hh"
34 #include "G4LogicalVolume.hh"
35 #include "G4NistManager.hh"
36 #include "G4Orb.hh"
37 #include "G4PVPlacement.hh"
38 #include "G4RunManager.hh"
39 #include "G4Sphere.hh"
40 #include "G4SystemOfUnits.hh"
41 #include "G4Trd.hh"
42
43 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
44
45 B1DetectorConstruction::B1DetectorConstruction() : G4VUserDetectorConstruction(), fScoringVolume(0)
46 {}
47
48 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
49
50 B1DetectorConstruction::~B1DetectorConstruction() {}
51
52 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
53
54 G4VPhysicalVolume* B1DetectorConstruction::Construct()
55 {
56 // Get nist material manager
57 G4NistManager* nist = G4NistManager::Instance();
58
59 // Envelope parameters
60 //
61 G4double env_sizeXY = 20 * cm, env_sizeZ = 30 * cm;
62 G4Material* env_mat = nist->FindOrBuildMaterial("G4_WATER");
63
64 // Option to switch on/off checking of volumes overlaps
65 //
66 G4bool checkOverlaps = true;
67
68 //
69 // World
70 //
71 G4double world_sizeXY = 1.2 * env_sizeXY;
72 G4double world_sizeZ = 1.2 * env_sizeZ;
73 G4Material* world_mat = nist->FindOrBuildMaterial("G4_AIR");
74
75 G4Box* solidWorld =
76 new G4Box("World", // its name
77 0.5 * world_sizeXY, 0.5 * world_sizeXY, 0.5 * world_sizeZ); // its size
78
79 G4LogicalVolume* logicWorld = new G4LogicalVolume(solidWorld, // its solid
80 world_mat, // its material
81 "World"); // its name
82
83 G4VPhysicalVolume* physWorld = new G4PVPlacement(0, // no rotation
84 G4ThreeVector(), // at (0,0,0)
85 logicWorld, // its logical volume
86 "World", // its name
87 0, // its mother volume
88 false, // no boolean operation
89 0, // copy number
90 checkOverlaps); // overlaps checking
91
92 //
93 // Envelope
94 //
95 G4Box* solidEnv = new G4Box("Envelope", // its name
96 0.5 * env_sizeXY, 0.5 * env_sizeXY, 0.5 * env_sizeZ); // its size
97
98 G4LogicalVolume* logicEnv = new G4LogicalVolume(solidEnv, // its solid
99 env_mat, // its material
100 "Envelope"); // its name
101
102 new G4PVPlacement(0, // no rotation
103 G4ThreeVector(), // at (0,0,0)
104 logicEnv, // its logical volume
105 "Envelope", // its name
106 logicWorld, // its mother volume
107 false, // no boolean operation
108 0, // copy number
109 checkOverlaps); // overlaps checking
110
111 //
112 // Shape 1
113 //
114 G4Material* shape1_mat = nist->FindOrBuildMaterial("G4_A-150_TISSUE");
115 G4ThreeVector pos1 = G4ThreeVector(0, 2 * cm, -7 * cm);
116
117 // Conical section shape
118 G4double shape1_rmina = 0. * cm, shape1_rmaxa = 2. * cm;
119 G4double shape1_rminb = 0. * cm, shape1_rmaxb = 4. * cm;
120 G4double shape1_hz = 3. * cm;
121 G4double shape1_phimin = 0. * deg, shape1_phimax = 360. * deg;
122 G4Cons* solidShape1 = new G4Cons("Shape1", shape1_rmina, shape1_rmaxa, shape1_rminb, shape1_rmaxb,
123 shape1_hz, shape1_phimin, shape1_phimax);
124
125 G4LogicalVolume* logicShape1 = new G4LogicalVolume(solidShape1, // its solid
126 shape1_mat, // its material
127 "Shape1"); // its name
128
129 new G4PVPlacement(0, // no rotation
130 pos1, // at position
131 logicShape1, // its logical volume
132 "Shape1", // its name
133 logicEnv, // its mother volume
134 false, // no boolean operation
135 0, // copy number
136 checkOverlaps); // overlaps checking
137
138 //
139 // Shape 2
140 //
141 G4Material* shape2_mat = nist->FindOrBuildMaterial("G4_BONE_COMPACT_ICRU");
142 G4ThreeVector pos2 = G4ThreeVector(0, -1 * cm, 7 * cm);
143
144 // Trapezoid shape
145 G4double shape2_dxa = 12 * cm, shape2_dxb = 12 * cm;
146 G4double shape2_dya = 10 * cm, shape2_dyb = 16 * cm;
147 G4double shape2_dz = 6 * cm;
148 G4Trd* solidShape2 = new G4Trd("Shape2", // its name
149 0.5 * shape2_dxa, 0.5 * shape2_dxb, 0.5 * shape2_dya,
150 0.5 * shape2_dyb, 0.5 * shape2_dz); // its size
151
152 G4LogicalVolume* logicShape2 = new G4LogicalVolume(solidShape2, // its solid
153 shape2_mat, // its material
154 "Shape2"); // its name
155
156 new G4PVPlacement(0, // no rotation
157 pos2, // at position
158 logicShape2, // its logical volume
159 "Shape2", // its name
160 logicEnv, // its mother volume
161 false, // no boolean operation
162 0, // copy number
163 checkOverlaps); // overlaps checking
164
165 // Set Shape2 as scoring volume
166 //
167 fScoringVolume = logicShape2;
168
169 //
170 // always return the physical World
171 //
172 return physWorld;
173 }
174
175 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
176