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25 //
26 /// \file electromagnetic/TestEm4/src/DetectorConstruction.cc
27 /// \brief Implementation of the DetectorConstruction class
28 //
29 //
30 //
31
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34
35 #include "DetectorConstruction.hh"
36
37 #include "G4LogicalVolume.hh"
38 #include "G4Material.hh"
39 #include "G4PVPlacement.hh"
40 #include "G4SystemOfUnits.hh"
41 #include "G4Tubs.hh"
42
43 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
44
45 G4VPhysicalVolume* DetectorConstruction::Construct()
46 {
47 //
48 // define a material from its elements. case 1: chemical molecule
49 //
50 G4double a, z;
51 G4double density;
52 G4int ncomponents, natoms;
53
54 G4Element* C = new G4Element("Carbon", "C", z = 6., a = 12.01 * g / mole);
55 G4Element* F = new G4Element("Fluorine", "F", z = 9., a = 18.99 * g / mole);
56
57 G4Material* C6F6 = new G4Material("FluorCarbonate", density = 1.61 * g / cm3, ncomponents = 2);
58 C6F6->AddElement(C, natoms = 6);
59 C6F6->AddElement(F, natoms = 6);
60
61 G4cout << C6F6 << G4endl;
62
63 //
64 // Container
65 //
66 G4double Rmin = 0., Rmax = 5 * cm, deltaZ = 5 * cm, Phimin = 0., deltaPhi = 360 * degree;
67
68 G4Tubs* solidWorld = new G4Tubs("C6F6", // its name
69 Rmin, Rmax, deltaZ, Phimin, deltaPhi); // its size
70
71 G4LogicalVolume* logicWorld = new G4LogicalVolume(solidWorld, // its solid
72 C6F6, // its material
73 "C6F6"); // its name
74 G4VPhysicalVolume* physiWorld = new G4PVPlacement(0, // no rotation
75 G4ThreeVector(), // at (0,0,0)
76 logicWorld, // its logical volume
77 "C6F6", // its name
78 0, // its mother volume
79 false, // no boolean operation
80 0); // copy number
81
82 //
83 // always return the physical World
84 //
85 return physiWorld;
86 }
87
88 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
89