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GB01DetectorConstruction.cc
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28 //
29 #include "GB01DetectorConstruction.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 "G4UniformMagField.hh"
39 #include "G4LogicalVolumeStore.hh"
40 
41 #include "G4VisAttributes.hh"
42 #include "G4Colour.hh"
43 
44 #include "G4NistManager.hh"
45 
46 #include "GB01BOptrMultiParticleChangeCrossSection.hh"
47 
48 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
49 
50 GB01DetectorConstruction::GB01DetectorConstruction()
51 {}
52 
53 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
54 
55 GB01DetectorConstruction::~GB01DetectorConstruction()
56 {}
57 
58 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
59 
60 G4VPhysicalVolume* GB01DetectorConstruction::Construct()
61 {
62  G4Material* worldMaterial = G4NistManager::Instance()->FindOrBuildMaterial("G4_Galactic");
63  G4Material* defaultMaterial = G4NistManager::Instance()->FindOrBuildMaterial("G4_lN2");
64 
65  G4VSolid* solidWorld = new G4Box("World", 10*m, 10*m, 10*m );
66 
67  G4LogicalVolume* logicWorld = new G4LogicalVolume(solidWorld, // its solid
68  worldMaterial, // its material
69  "World"); // its name
70 
71  G4PVPlacement* physiWorld = new G4PVPlacement(0, // no rotation
72  G4ThreeVector(), // at (0,0,0)
73  logicWorld, // its logical volume
74  "World", // its name
75  0, // its mother volume
76  false, // no boolean operation
77  0); // copy number
78 
79  // -----------------------------------
80  // -- volume where biasing is applied:
81  // -----------------------------------
82  G4double halfZ = 10*cm;
83  G4VSolid* solidTest = new G4Box("test.solid", 1*m, 1*m, halfZ );
84 
85  G4LogicalVolume* logicTest = new G4LogicalVolume(solidTest, // its solid
86  defaultMaterial, // its material
87  "test.logical"); // its name
88 
89  new G4PVPlacement(0, // no rotation
90  G4ThreeVector(0,0, halfZ), // volume entrance at (0,0,0)
91  logicTest, // its logical volume
92  "test.phys", // its name
93  logicWorld, // its mother volume
94  false, // no boolean operation
95  0); // copy number
96 
97 
98  return physiWorld;
99 }
100 
101 void GB01DetectorConstruction::ConstructSDandField()
102 {
103  // -- Fetch volume for biasing:
104  G4LogicalVolume* logicTest = G4LogicalVolumeStore::GetInstance()->GetVolume("test.logical");
105 
106  // ----------------------------------------------
107  // -- operator creation and attachment to volume:
108  // ----------------------------------------------
109  GB01BOptrMultiParticleChangeCrossSection* testMany =
110  new GB01BOptrMultiParticleChangeCrossSection();
111  testMany->AddParticle("gamma");
112  testMany->AddParticle("neutron");
113  testMany->AttachTo(logicTest);
114  G4cout << " Attaching biasing operator " << testMany->GetName()
115  << " to logical volume " << logicTest->GetName()
116  << G4endl;
117 }