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25 // 25 //
26 /// \file eventgenerator/particleGun/src/Detec 26 /// \file eventgenerator/particleGun/src/DetectorConstruction.cc
27 /// \brief Implementation of the DetectorConst 27 /// \brief Implementation of the DetectorConstruction class
28 // 28 //
29 // 29 //
30 // << 30 //
31 //....oooOO0OOooo........oooOO0OOooo........oo <<
32 //....oooOO0OOooo........oooOO0OOooo........oo 31 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 32 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
33 33
34 #include "DetectorConstruction.hh" 34 #include "DetectorConstruction.hh"
35 35
>> 36 #include "G4NistManager.hh"
36 #include "G4Box.hh" 37 #include "G4Box.hh"
37 #include "G4LogicalVolume.hh" 38 #include "G4LogicalVolume.hh"
38 #include "G4NistManager.hh" <<
39 #include "G4PVPlacement.hh" 39 #include "G4PVPlacement.hh"
40 #include "G4SystemOfUnits.hh" 40 #include "G4SystemOfUnits.hh"
41 41
42 //....oooOO0OOooo........oooOO0OOooo........oo 42 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
43 43
44 DetectorConstruction::DetectorConstruction() 44 DetectorConstruction::DetectorConstruction()
>> 45 : G4VUserDetectorConstruction(),fWorldSizeXY(0),fWorldSizeZ(0)
45 { 46 {
46 fWorldSizeXY = 2 * cm; << 47 fWorldSizeXY = 2*cm;
47 fWorldSizeZ = 2 * cm; << 48 fWorldSizeZ = 2*cm;
48 } 49 }
49 50
50 //....oooOO0OOooo........oooOO0OOooo........oo 51 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
51 52
>> 53 DetectorConstruction::~DetectorConstruction()
>> 54 {}
>> 55
>> 56 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 57
52 G4VPhysicalVolume* DetectorConstruction::Const 58 G4VPhysicalVolume* DetectorConstruction::Construct()
53 { 59 {
54 // 60 //
55 // define a material 61 // define a material
56 // << 62 //
57 G4Material* Air = G4NistManager::Instance()- << 63 G4Material* Air =
58 << 64 G4NistManager::Instance()->FindOrBuildMaterial("G4_AIR");
59 // << 65
>> 66 //
60 // World 67 // World
61 // 68 //
62 G4Box* solidWorld = new G4Box("World", // i << 69 G4Box*
63 fWorldSizeXY / << 70 solidWorld = new G4Box("World", //its name
64 << 71 fWorldSizeXY/2,fWorldSizeXY/2,fWorldSizeZ/2); //its size
65 G4LogicalVolume* logicWorld = new G4LogicalV << 72
66 << 73 G4LogicalVolume*
67 << 74 logicWorld = new G4LogicalVolume(solidWorld, //its solid
68 G4VPhysicalVolume* physiWorld = new G4PVPlac << 75 Air, //its material
69 << 76 "World"); //its name
70 << 77 G4VPhysicalVolume*
71 << 78 physiWorld = new G4PVPlacement(0, //no rotation
72 << 79 G4ThreeVector(), //at (0,0,0)
73 << 80 logicWorld, //its logical volume
74 << 81 "World", //its name
75 << 82 0, //its mother volume
76 // << 83 false, //no boolean operation
77 // always return the physical World << 84 0); //copy number
>> 85
78 // 86 //
>> 87 //always return the physical World
>> 88 //
79 return physiWorld; 89 return physiWorld;
80 } 90 }
81 91
82 //....oooOO0OOooo........oooOO0OOooo........oo 92 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
83 93