B4c/include/DetectorConstruction.hh

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0027 /// \file B4/B4c/include/DetectorConstruction.hh
0028 /// \brief Definition of the B4c::DetectorConstruction class
0029
0030 #ifndef B4cDetectorConstruction_h
0031 #define B4cDetectorConstruction_h 1
0032
0033 #include "G4VUserDetectorConstruction.hh"
0034
0035 #include "G4Threading.hh"
0036 #include "globals.hh"
0037
0038 class G4VPhysicalVolume;
0039 class G4GlobalMagFieldMessenger;
0040
0041 namespace B4c
0042 {
0043
0044 /// Detector construction class to define materials and geometry.
0045 /// The calorimeter is a box made of a given number of layers. A layer consists
0046 /// of an absorber plate and of a detection gap. The layer is replicated.
0047 ///
0048 /// Four parameters define the geometry of the calorimeter :
0049 ///
0050 /// - the thickness of an absorber plate,
0051 /// - the thickness of a gap,
0052 /// - the number of layers,
0053 /// - the transverse size of the calorimeter (the input face is a square).
0054 ///
0055 /// In ConstructSDandField() sensitive detectors of CalorimeterSD type
0056 /// are created and associated with the Absorber and Gap volumes.
0057 /// In addition a transverse uniform magnetic field is defined
0058 /// via G4GlobalMagFieldMessenger class.
0059
0060 class DetectorConstruction : public G4VUserDetectorConstruction
0061 {
0062   public:
0063     DetectorConstruction() = default;
0064     ~DetectorConstruction() override = default;
0065
0066   public:
0067     G4VPhysicalVolume* Construct() override;
0068     void ConstructSDandField() override;
0069
0070   private:
0071     // methods
0072     //
0073     void DefineMaterials();
0074     G4VPhysicalVolume* DefineVolumes();
0075
0076     // data members
0077     //
0078     static G4ThreadLocal G4GlobalMagFieldMessenger* fMagFieldMessenger;
0079     // magnetic field messenger
0080
0081     G4bool fCheckOverlaps = true;  // option to activate checking of volumes overlaps
0082     G4int fNofLayers = -1;  // number of layers
0083 };
0084
0085 }  // namespace B4c
0086
0087 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0088
0089 #endif