B1/include/PrimaryGeneratorAction.hh

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0027 /// \file B1/include/PrimaryGeneratorAction.hh
0028 /// \brief Definition of the B1::PrimaryGeneratorAction class
0029
0030 #ifndef B1PrimaryGeneratorAction_h
0031 #define B1PrimaryGeneratorAction_h 1
0032
0033 #include "G4VUserPrimaryGeneratorAction.hh"
0034
0035 class G4ParticleGun;
0036 class G4Event;
0037 class G4Box;
0038
0039 namespace B1
0040 {
0041
0042 /// The primary generator action class with particle gun.
0043 ///
0044 /// The default kinematic is a 6 MeV gamma, randomly distribued
0045 /// in front of the phantom across 80% of the (X,Y) phantom size.
0046
0047 class PrimaryGeneratorAction : public G4VUserPrimaryGeneratorAction
0048 {
0049   public:
0050     PrimaryGeneratorAction();
0051     ~PrimaryGeneratorAction() override;
0052
0053     // method from the base class
0054     void GeneratePrimaries(G4Event*) override;
0055
0056     // method to access particle gun
0057     const G4ParticleGun* GetParticleGun() const { return fParticleGun; }
0058
0059   private:
0060     G4ParticleGun* fParticleGun = nullptr;  // pointer a to G4 gun class
0061     G4Box* fEnvelopeBox = nullptr;
0062 };
0063
0064 }  // namespace B1
0065
0066 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0067
0068 #endif