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25 //
26 /// \file GB06/src/GB06DetectorConstruction.cc
27 /// \brief Implementation of the GB06DetectorConstruction class
28 //
29 #include "GB06DetectorConstruction.hh"
30
31 #include "GB06SD.hh"
32
33 #include "G4Box.hh"
34 #include "G4LogicalVolume.hh"
35 #include "G4Material.hh"
36 #include "G4NistManager.hh"
37 #include "G4PVPlacement.hh"
38 #include "G4SDManager.hh"
39 #include "G4SystemOfUnits.hh"
40
41 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
42
43 GB06DetectorConstruction::GB06DetectorConstruction() : G4VUserDetectorConstruction() {}
44
45 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
46
47 GB06DetectorConstruction::~GB06DetectorConstruction() {}
48
49 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
50
51 G4VPhysicalVolume* GB06DetectorConstruction::Construct()
52 {
53 G4Material* worldMaterial = G4NistManager::Instance()->FindOrBuildMaterial("G4_Galactic");
54 G4Material* concreteMaterial = G4NistManager::Instance()->FindOrBuildMaterial("G4_CONCRETE");
55
56 G4VSolid* solidWorld = new G4Box("World.solid", 10 * m, 10 * m, 10 * m);
57
58 G4LogicalVolume* logicWorld = new G4LogicalVolume(solidWorld, // its solid
59 worldMaterial, // its material
60 "World.logical"); // its name
61
62 G4PVPlacement* physiWorld = new G4PVPlacement(nullptr, // no rotation
63 G4ThreeVector(), // at (0,0,0)
64 logicWorld, // its logical volume
65 "World.physical", // its name
66 nullptr, // its mother volume
67 false, // no bool. operation
68 0); // copy number
69
70 // ----------------------------------------------------
71 // -- volume of shield, made of concrete, in one block:
72 // ----------------------------------------------------
73 G4double halfXY = 1.5 * m;
74 G4double halfZ = 2.5 * m;
75 G4VSolid* solidShield = new G4Box("shield.solid", halfXY, halfXY, halfZ);
76
77 G4LogicalVolume* logicTest = new G4LogicalVolume(solidShield, // its solid
78 concreteMaterial, // its material
79 "shield.logical"); // its name
80
81 new G4PVPlacement(nullptr, // no rotation
82 G4ThreeVector(0, 0, halfZ), // volume entrance is set at (0,0,0)
83 logicTest, // its logical volume
84 "shield.physical", // its name
85 logicWorld, // its mother volume
86 false, // no boolean operation
87 0); // copy number
88
89 // ------------------------------------------------------------
90 // -- dummy volume to display exiting neutron flux information:
91 // ------------------------------------------------------------
92 G4double halfz = 1 * cm;
93 G4VSolid* solidMeasurement = new G4Box("meas.solid", halfXY, halfXY, halfz);
94
95 logicMeasurement = new G4LogicalVolume(solidMeasurement, // its solid
96 worldMaterial, // its material
97 "meas.logical"); // its name
98
99 new G4PVPlacement(nullptr, // no rotation
100 G4ThreeVector(0, 0, 2 * halfZ + halfz), // entrance set after shield
101 logicMeasurement, // its logical volume
102 "meas.physical", // its name
103 logicWorld, // its mother volume
104 false, // no boolean operation
105 0); // copy number
106
107 // -- world volume pointer returned:
108 return physiWorld;
109 }
110
111 void GB06DetectorConstruction::ConstructSDandField()
112 {
113 // ---------------------------------------------------------------------------------
114 // -- Attach sensitive detector to print information on particle exiting the shield:
115 // ---------------------------------------------------------------------------------
116 // -- create and register sensitive detector code module:
117 G4SDManager* SDman = G4SDManager::GetSDMpointer();
118 G4VSensitiveDetector* sd = new GB06SD("Measurer");
119 SDman->AddNewDetector(sd);
120 // -- Fetch volume for sensitivity and attach sensitive module to it:
121 logicMeasurement->SetSensitiveDetector(sd);
122 }
123