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25 //
26 //
27 /// \file B4/B4d/include/DetectorConstruction.hh
28 /// \brief Definition of the B4d::DetectorConstruction class
29
30 #ifndef B4dDetectorConstruction_h
31 #define B4dDetectorConstruction_h 1
32
33 #include "G4VUserDetectorConstruction.hh"
34 #include "globals.hh"
35
36 class G4VPhysicalVolume;
37 class G4GlobalMagFieldMessenger;
38
39 namespace B4d
40 {
41
42 /// Detector construction class to define materials and geometry.
43 /// The calorimeter is a box made of a given number of layers. A layer consists
44 /// of an absorber plate and of a detection gap. The layer is replicated.
45 ///
46 /// Four parameters define the geometry of the calorimeter :
47 ///
48 /// - the thickness of an absorber plate,
49 /// - the thickness of a gap,
50 /// - the number of layers,
51 /// - the transverse size of the calorimeter (the input face is a square).
52 ///
53 /// In ConstructSDandField() sensitive detectors of G4MultiFunctionalDetector
54 /// type with primitive scorers are created and associated with the Absorber
55 /// and Gap volumes. In addition a transverse uniform magnetic field is defined
56 /// via G4GlobalMagFieldMessenger class.
57
58 class DetectorConstruction : public G4VUserDetectorConstruction
59 {
60 public:
61 DetectorConstruction() = default;
62 ~DetectorConstruction() override = default;
63
64 public:
65 G4VPhysicalVolume* Construct() override;
66 void ConstructSDandField() override;
67
68 private:
69 // methods
70 //
71 void DefineMaterials();
72 G4VPhysicalVolume* DefineVolumes();
73
74 // data members
75 //
76 static G4ThreadLocal G4GlobalMagFieldMessenger* fMagFieldMessenger;
77 // magnetic field messenger
78
79 G4bool fCheckOverlaps = true; // option to activate checking of volumes overlaps
80 };
81
82 } // namespace B4d
83
84 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
85
86 #endif
87