B4c/include/DetectorConstruction.hh

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0025 //
0026 /// \file DetectorConstruction.hh
0027 /// \brief Definition of the B4c::DetectorConstruction class
0028
0029 #ifndef B4cDetectorConstruction_h
0030 #define B4cDetectorConstruction_h 1
0031
0032 #include "G4VUserDetectorConstruction.hh"
0033
0034 #include "G4Threading.hh"
0035 #include "globals.hh"
0036
0037 class G4VPhysicalVolume;
0038 class G4GlobalMagFieldMessenger;
0039
0040 namespace B4c
0041 {
0042
0043 /// Detector construction class to define materials and geometry.
0044 /// The calorimeter is a box made of a given number of layers. A layer consists
0045 /// of an absorber plate and of a detection gap. The layer is replicated.
0046 ///
0047 /// Four parameters define the geometry of the calorimeter :
0048 ///
0049 /// - the thickness of an absorber plate,
0050 /// - the thickness of a gap,
0051 /// - the number of layers,
0052 /// - the transverse size of the calorimeter (the input face is a square).
0053 ///
0054 /// In ConstructSDandField() sensitive detectors of CalorimeterSD type
0055 /// are created and associated with the Absorber and Gap volumes.
0056 /// In addition a transverse uniform magnetic field is defined
0057 /// via G4GlobalMagFieldMessenger class.
0058
0059 class DetectorConstruction : public G4VUserDetectorConstruction
0060 {
0061   public:
0062     DetectorConstruction() = default;
0063     ~DetectorConstruction() override = default;
0064
0065   public:
0066     G4VPhysicalVolume* Construct() override;
0067     void ConstructSDandField() override;
0068
0069   private:
0070     // methods
0071     //
0072     void DefineMaterials();
0073     G4VPhysicalVolume* DefineVolumes();
0074
0075     // data members
0076     //
0077     static G4ThreadLocal G4GlobalMagFieldMessenger* fMagFieldMessenger;
0078     // magnetic field messenger
0079
0080     G4bool fCheckOverlaps = true;  // option to activate checking of volumes overlaps
0081     G4int fNofLayers = -1;  // number of layers
0082 };
0083
0084 }  // namespace B4c
0085
0086 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0087
0088 #endif