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25 // 25 //
26 /// \file DetectorConstruction.cc <<
27 /// \brief Implementation of the DetectorConst <<
28 // 26 //
29 // << 27 // $Id: DetectorConstruction.cc,v 1.1 2010-09-16 16:26:13 gcosmo Exp $
30 //....oooOO0OOooo........oooOO0OOooo........oo << 28 // GEANT4 tag $Name: geant4-09-04-patch-01 $
>> 29 //
31 //....oooOO0OOooo........oooOO0OOooo........oo 30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 31 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32 32
33 #include "DetectorConstruction.hh" 33 #include "DetectorConstruction.hh"
34 34
>> 35 #include "G4NistManager.hh"
35 #include "G4Box.hh" 36 #include "G4Box.hh"
36 #include "G4LogicalVolume.hh" 37 #include "G4LogicalVolume.hh"
37 #include "G4NistManager.hh" <<
38 #include "G4PVPlacement.hh" 38 #include "G4PVPlacement.hh"
39 #include "G4SystemOfUnits.hh" <<
40 39
41 //....oooOO0OOooo........oooOO0OOooo........oo 40 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
42 41
43 DetectorConstruction::DetectorConstruction() 42 DetectorConstruction::DetectorConstruction()
44 { 43 {
45 fWorldSize = 20 * mm; << 44 worldSize = 2*um;
46 } 45 }
47 46
48 //....oooOO0OOooo........oooOO0OOooo........oo 47 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
49 48
>> 49 DetectorConstruction::~DetectorConstruction()
>> 50 {}
>> 51
>> 52 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 53
50 G4VPhysicalVolume* DetectorConstruction::Const 54 G4VPhysicalVolume* DetectorConstruction::Construct()
51 { 55 {
52 // 56 //
53 // define a material 57 // define a material
54 // << 58 //
55 G4Material* Air = G4NistManager::Instance()- << 59 G4Material* Air =
56 << 60 G4NistManager::Instance()->FindOrBuildMaterial("G4_AIR");
57 // << 61
>> 62 //
58 // World 63 // World
59 // 64 //
60 G4Box* solidWorld = new G4Box("World", // i << 65 G4Box*
61 fWorldSize / 2 << 66 solidWorld = new G4Box("World", //its name
62 << 67 worldSize/2,worldSize/2,worldSize/2); //its size
63 G4LogicalVolume* logicWorld = new G4LogicalV << 68
64 << 69 G4LogicalVolume*
65 << 70 logicWorld = new G4LogicalVolume(solidWorld, //its solid
66 G4VPhysicalVolume* physiWorld = new G4PVPlac << 71 Air, //its material
67 << 72 "World"); //its name
68 << 73 G4VPhysicalVolume*
69 << 74 physiWorld = new G4PVPlacement(0, //no rotation
70 << 75 G4ThreeVector(), //at (0,0,0)
71 << 76 logicWorld, //its logical volume
72 << 77 "World", //its name
73 << 78 0, //its mother volume
74 // << 79 false, //no boolean operation
75 // always return the physical World << 80 0); //copy number
>> 81
76 // 82 //
>> 83 //always return the physical World
>> 84 //
77 return physiWorld; 85 return physiWorld;
78 } 86 }
79 87
80 //....oooOO0OOooo........oooOO0OOooo........oo 88 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
81 89