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26 //
27 /// \file B4/B4b/include/DetectorConstruction.hh
28 /// \brief Definition of the B4::DetectorConstruction class
29
30 #ifndef B4DetectorConstruction_h
31 #define B4DetectorConstruction_h 1
32
33 #include "G4VUserDetectorConstruction.hh"
34
35 #include "G4Threading.hh"
36 #include "globals.hh"
37
38 class G4VPhysicalVolume;
39 class G4GlobalMagFieldMessenger;
40
41 namespace B4
42 {
43
44 /// Detector construction class to define materials and geometry.
45 /// The calorimeter is a box made of a given number of layers. A layer consists
46 /// of an absorber plate and of a detection gap. The layer is replicated.
47 ///
48 /// Four parameters define the geometry of the calorimeter :
49 ///
50 /// - the thickness of an absorber plate,
51 /// - the thickness of a gap,
52 /// - the number of layers,
53 /// - the transverse size of the calorimeter (the input face is a square).
54 ///
55 /// 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 // get methods
69 //
70 const G4VPhysicalVolume* GetAbsorberPV() const;
71 const G4VPhysicalVolume* GetGapPV() const;
72
73 private:
74 // methods
75 //
76 void DefineMaterials();
77 G4VPhysicalVolume* DefineVolumes();
78
79 // data members
80 //
81 static G4ThreadLocal G4GlobalMagFieldMessenger* fMagFieldMessenger;
82 // magnetic field messenger
83
84 G4VPhysicalVolume* fAbsorberPV = nullptr; // the absorber physical volume
85 G4VPhysicalVolume* fGapPV = nullptr; // the gap physical volume
86
87 G4bool fCheckOverlaps = true; // option to activate checking of volumes overlaps
88 };
89
90 // inline functions
91
92 inline const G4VPhysicalVolume* DetectorConstruction::GetAbsorberPV() const
93 {
94 return fAbsorberPV;
95 }
96
97 inline const G4VPhysicalVolume* DetectorConstruction::GetGapPV() const
98 {
99 return fGapPV;
100 }
101
102 } // namespace B4
103
104 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
105
106 #endif
107