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25 //
26 /// \file GB01/src/GB01DetectorConstruction.cc
27 /// \brief Implementation of the GB01DetectorConstruction class
28 //
29 #include "GB01DetectorConstruction.hh"
30
31 #include "GB01BOptrMultiParticleChangeCrossSection.hh"
32
33 #include "G4Box.hh"
34 #include "G4Colour.hh"
35 #include "G4LogicalVolume.hh"
36 #include "G4LogicalVolumeStore.hh"
37 #include "G4Material.hh"
38 #include "G4NistManager.hh"
39 #include "G4PVPlacement.hh"
40 #include "G4SystemOfUnits.hh"
41 #include "G4UniformMagField.hh"
42 #include "G4VisAttributes.hh"
43
44 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
45
46 GB01DetectorConstruction::GB01DetectorConstruction() {}
47
48 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
49
50 GB01DetectorConstruction::~GB01DetectorConstruction() {}
51
52 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
53
54 G4VPhysicalVolume* GB01DetectorConstruction::Construct()
55 {
56 G4Material* worldMaterial = G4NistManager::Instance()->FindOrBuildMaterial("G4_Galactic");
57 G4Material* defaultMaterial = G4NistManager::Instance()->FindOrBuildMaterial("G4_lN2");
58
59 G4VSolid* solidWorld = new G4Box("World", 10 * m, 10 * m, 10 * m);
60
61 G4LogicalVolume* logicWorld = new G4LogicalVolume(solidWorld, // its solid
62 worldMaterial, // its material
63 "World"); // its name
64
65 G4PVPlacement* physiWorld = new G4PVPlacement(0, // no rotation
66 G4ThreeVector(), // at (0,0,0)
67 logicWorld, // its logical volume
68 "World", // its name
69 0, // its mother volume
70 false, // no boolean operation
71 0); // copy number
72
73 // -----------------------------------
74 // -- volume where biasing is applied:
75 // -----------------------------------
76 G4double halfZ = 10 * cm;
77 G4VSolid* solidTest = new G4Box("test.solid", 1 * m, 1 * m, halfZ);
78
79 G4LogicalVolume* logicTest = new G4LogicalVolume(solidTest, // its solid
80 defaultMaterial, // its material
81 "test.logical"); // its name
82
83 new G4PVPlacement(0, // no rotation
84 G4ThreeVector(0, 0, halfZ), // volume entrance at (0,0,0)
85 logicTest, // its logical volume
86 "test.phys", // its name
87 logicWorld, // its mother volume
88 false, // no boolean operation
89 0); // copy number
90
91 return physiWorld;
92 }
93
94 void GB01DetectorConstruction::ConstructSDandField()
95 {
96 // -- Fetch volume for biasing:
97 G4LogicalVolume* logicTest = G4LogicalVolumeStore::GetInstance()->GetVolume("test.logical");
98
99 // ----------------------------------------------
100 // -- operator creation and attachment to volume:
101 // ----------------------------------------------
102 GB01BOptrMultiParticleChangeCrossSection* testMany =
103 new GB01BOptrMultiParticleChangeCrossSection();
104 testMany->AddParticle("gamma");
105 testMany->AddParticle("neutron");
106 testMany->AttachTo(logicTest);
107 G4cout << " Attaching biasing operator " << testMany->GetName() << " to logical volume "
108 << logicTest->GetName() << G4endl;
109 }
110