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GB06DetectorConstruction.cc
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28 //
29 #include "GB06DetectorConstruction.hh"
30 #include "G4SystemOfUnits.hh"
31 
32 #include "G4Material.hh"
33 #include "G4NistManager.hh"
34 
35 #include "G4Box.hh"
36 #include "G4LogicalVolume.hh"
37 #include "G4PVPlacement.hh"
38 #include "G4LogicalVolumeStore.hh"
39 
40 #include "G4NistManager.hh"
41 
42 #include "GB06SD.hh"
43 #include "G4SDManager.hh"
44 
45 
46 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
47 
48 GB06DetectorConstruction::GB06DetectorConstruction()
49  : G4VUserDetectorConstruction()
50 {}
51 
52 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
53 
54 GB06DetectorConstruction::~GB06DetectorConstruction()
55 {}
56 
57 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
58 
59 G4VPhysicalVolume* GB06DetectorConstruction::Construct()
60 {
61  G4Material* worldMaterial =
62  G4NistManager::Instance()->FindOrBuildMaterial("G4_Galactic");
63  G4Material* concreteMaterial =
64  G4NistManager::Instance()->FindOrBuildMaterial("G4_CONCRETE");
65 
66 
67  G4VSolid* solidWorld = new G4Box("World.solid", 10*m, 10*m, 10*m );
68 
69  G4LogicalVolume* logicWorld = new G4LogicalVolume(solidWorld, // its solid
70  worldMaterial, // its material
71  "World.logical");// its name
72 
73  G4PVPlacement* physiWorld = new G4PVPlacement(nullptr, // no rotation
74  G4ThreeVector(), // at (0,0,0)
75  logicWorld, // its logical volume
76  "World.physical",// its name
77  nullptr, // its mother volume
78  false, // no bool. operation
79  0); // copy number
80 
81  // ----------------------------------------------------
82  // -- volume of shield, made of concrete, in one block:
83  // ----------------------------------------------------
84  G4double halfXY = 1.5*m;
85  G4double halfZ = 2.5*m;
86  G4VSolid* solidShield = new G4Box("shield.solid", halfXY, halfXY, halfZ );
87 
88  G4LogicalVolume* logicTest = new G4LogicalVolume(solidShield, // its solid
89  concreteMaterial, // its material
90  "shield.logical"); // its name
91 
92  new G4PVPlacement(nullptr, // no rotation
93  G4ThreeVector(0, 0, halfZ), // volume entrance is set at (0,0,0)
94  logicTest, // its logical volume
95  "shield.physical", // its name
96  logicWorld, // its mother volume
97  false, // no boolean operation
98  0); // copy number
99 
100  // ------------------------------------------------------------
101  // -- dummy volume to display exiting neutron flux information:
102  // ------------------------------------------------------------
103  G4double halfz = 1*cm;
104  G4VSolid* solidMeasurement = new G4Box("meas.solid", halfXY, halfXY, halfz );
105 
106  G4LogicalVolume* logicMeasurement = new G4LogicalVolume(solidMeasurement,// its solid
107  worldMaterial, // its material
108  "meas.logical"); // its name
109 
110  new G4PVPlacement(nullptr, // no rotation
111  G4ThreeVector(0, 0, 2*halfZ + halfz), // entrance set after shield
112  logicMeasurement, // its logical volume
113  "meas.physical", // its name
114  logicWorld, // its mother volume
115  false, // no boolean operation
116  0); // copy number
117 
118 
119  // -- world volume pointer returned:
120  return physiWorld;
121 }
122 
123 
124 void GB06DetectorConstruction::ConstructSDandField()
125 {
126 
127  // ---------------------------------------------------------------------------------
128  // -- Attach sensitive detector to print information on particle exiting the shield:
129  // ---------------------------------------------------------------------------------
130  // -- create and register sensitive detector code module:
131  G4SDManager* SDman = G4SDManager::GetSDMpointer();
132  G4VSensitiveDetector* sd = new GB06SD("Measurer");
133  SDman->AddNewDetector(sd);
134  // -- Fetch volume for sensitivity and attach sensitive module to it:
135  G4LogicalVolume* logicSD =
136  G4LogicalVolumeStore::GetInstance()->GetVolume("meas.logical");
137  logicSD->SetSensitiveDetector(sd);
138 
139 }