Geant4 Cross Reference

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Geant4/processes/optical/include/G4OpMieHG.hh

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 25 //
 26 ////////////////////////////////////////////////////////////////////////
 27 //
 28 // File G4OpMieHG.hh
 29 // Description: Discrete Process -- Mie Scattering of Optical Photons
 30 // Created: 2010-07-03
 31 // Author: Xin Qian
 32 // Based on work from Vlasios Vasileiou
 33 //
 34 // This subroutine will mimic the Mie scattering based on
 35 // Henyey-Greenstein phase function
 36 // Forward and backward angles are treated separately.
 37 //
 38 ////////////////////////////////////////////////////////////////////////
 39 
 40 #ifndef G4OpMieHG_h
 41 #define G4OpMieHG_h 1
 42 
 43 #include "G4VDiscreteProcess.hh"
 44 #include "G4OpticalPhoton.hh"
 45 
 46 class G4OpMieHG : public G4VDiscreteProcess
 47 {
 48  public:
 49   explicit G4OpMieHG(const G4String& processName = "OpMieHG",
 50                      G4ProcessType type          = fOptical);
 51   virtual ~G4OpMieHG();
 52 
 53   virtual G4bool IsApplicable(
 54     const G4ParticleDefinition& aParticleType) override;
 55   // Returns true -> 'is applicable' only for an optical photon.
 56 
 57   virtual G4double GetMeanFreePath(const G4Track& aTrack, G4double,
 58                                    G4ForceCondition*) override;
 59   // Return the mean free path of Mie scattering
 60 
 61   virtual G4VParticleChange* PostStepDoIt(const G4Track& aTrack,
 62                                           const G4Step& aStep) override;
 63   // This is the method implementing Mie scattering.
 64 
 65   virtual void PreparePhysicsTable(const G4ParticleDefinition&) override;
 66   virtual void Initialise();
 67 
 68   void SetVerboseLevel(G4int);
 69 
 70  private:
 71   G4OpMieHG(const G4OpMieHG& right) = delete;
 72   G4OpMieHG& operator=(const G4OpMieHG& right) = delete;
 73 
 74   size_t idx_mie = 0;
 75 };
 76 
 77 inline G4bool G4OpMieHG::IsApplicable(const G4ParticleDefinition& aParticleType)
 78 {
 79   return (&aParticleType == G4OpticalPhoton::OpticalPhoton());
 80 }
 81 
 82 #endif /* G4OpMieHG_h */
 83