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26 ////////////////////////////////////////////// 26 ////////////////////////////////////////////////////////////////////////
27 // 27 //
28 // File G4OpMieHG.hh 28 // File G4OpMieHG.hh
29 // Description: Discrete Process -- Mie Scatte 29 // Description: Discrete Process -- Mie Scattering of Optical Photons
30 // Created: 2010-07-03 30 // Created: 2010-07-03
31 // Author: Xin Qian 31 // Author: Xin Qian
32 // Based on work from Vlasios Vasileiou 32 // Based on work from Vlasios Vasileiou
33 // 33 //
34 // This subroutine will mimic the Mie scatteri 34 // This subroutine will mimic the Mie scattering based on
35 // Henyey-Greenstein phase function 35 // Henyey-Greenstein phase function
36 // Forward and backward angles are treated sep 36 // Forward and backward angles are treated separately.
37 // 37 //
38 ////////////////////////////////////////////// 38 ////////////////////////////////////////////////////////////////////////
39 39
40 #ifndef G4OpMieHG_h 40 #ifndef G4OpMieHG_h
41 #define G4OpMieHG_h 1 41 #define G4OpMieHG_h 1
42 42
43 #include "G4VDiscreteProcess.hh" 43 #include "G4VDiscreteProcess.hh"
44 #include "G4OpticalPhoton.hh" 44 #include "G4OpticalPhoton.hh"
45 45
46 class G4OpMieHG : public G4VDiscreteProcess 46 class G4OpMieHG : public G4VDiscreteProcess
47 { 47 {
48 public: 48 public:
49 explicit G4OpMieHG(const G4String& processNa 49 explicit G4OpMieHG(const G4String& processName = "OpMieHG",
50 G4ProcessType type 50 G4ProcessType type = fOptical);
51 virtual ~G4OpMieHG(); 51 virtual ~G4OpMieHG();
52 52
53 virtual G4bool IsApplicable( 53 virtual G4bool IsApplicable(
54 const G4ParticleDefinition& aParticleType) 54 const G4ParticleDefinition& aParticleType) override;
55 // Returns true -> 'is applicable' only for 55 // Returns true -> 'is applicable' only for an optical photon.
56 56
57 virtual G4double GetMeanFreePath(const G4Tra 57 virtual G4double GetMeanFreePath(const G4Track& aTrack, G4double,
58 G4ForceCond 58 G4ForceCondition*) override;
59 // Return the mean free path of Mie scatteri 59 // Return the mean free path of Mie scattering
60 60
61 virtual G4VParticleChange* PostStepDoIt(cons 61 virtual G4VParticleChange* PostStepDoIt(const G4Track& aTrack,
62 cons 62 const G4Step& aStep) override;
63 // This is the method implementing Mie scatt 63 // This is the method implementing Mie scattering.
64 64
65 virtual void PreparePhysicsTable(const G4Par 65 virtual void PreparePhysicsTable(const G4ParticleDefinition&) override;
66 virtual void Initialise(); 66 virtual void Initialise();
67 67
68 void SetVerboseLevel(G4int); 68 void SetVerboseLevel(G4int);
69 69
70 private: 70 private:
71 G4OpMieHG(const G4OpMieHG& right) = delete; 71 G4OpMieHG(const G4OpMieHG& right) = delete;
72 G4OpMieHG& operator=(const G4OpMieHG& right) 72 G4OpMieHG& operator=(const G4OpMieHG& right) = delete;
73 73
74 size_t idx_mie = 0; 74 size_t idx_mie = 0;
75 }; 75 };
76 76
77 inline G4bool G4OpMieHG::IsApplicable(const G4 77 inline G4bool G4OpMieHG::IsApplicable(const G4ParticleDefinition& aParticleType)
78 { 78 {
79 return (&aParticleType == G4OpticalPhoton::O 79 return (&aParticleType == G4OpticalPhoton::OpticalPhoton());
80 } 80 }
81 81
82 #endif /* G4OpMieHG_h */ 82 #endif /* G4OpMieHG_h */
83 83