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25 // 25 //
26 // G4VDiscreteProcess << 26
>> 27 //
>> 28 //
>> 29 //
>> 30 // ------------------------------------------------------------
>> 31 // GEANT 4 class header file
>> 32 //
>> 33 // History: first implementation, based on object model of
>> 34 // 2nd December 1995, G.Cosmo
>> 35 // add G4VDiscreteProcess(const G4String&) 24 Jul 1996, Hisaya kurashige
>> 36 //
>> 37 // Class Description
>> 38 // Abstract class which defines the public behavior of
>> 39 // discrete physics interactions.
27 // 40 //
28 // Class description: << 41 // ------------------------------------------------------------
>> 42 // New Physics scheme 18 Dec. 1996 H.Kurahige
>> 43 // ------------------------------------------------------------
>> 44 // modified for new ParticleChange 12 Mar. 1998 H.Kurashige
>> 45 // Fixed a bug in PostStepGetPhysicalInteractionLength
>> 46 // 15 Apr. 2002 H.Kurashige
29 // 47 //
30 // Abstract class which defines the public beh <<
31 // discrete physics interactions. <<
32 48
33 // Authors: << 49 #ifndef G4VDiscreteProcess_h
34 // - 2 December 1995, G.Cosmo - First implemen << 50 #define G4VDiscreteProcess_h 1
35 // - 18 December 1996, H.Kurashige - New Physi <<
36 // ------------------------------------------- <<
37 #ifndef G4VDiscreteProcess_hh <<
38 #define G4VDiscreteProcess_hh 1 <<
39 51
40 #include "globals.hh" 52 #include "globals.hh"
41 #include "G4ios.hh" 53 #include "G4ios.hh"
42 54
43 #include "G4VProcess.hh" 55 #include "G4VProcess.hh"
44 56
45 class G4VDiscreteProcess : public G4VProcess 57 class G4VDiscreteProcess : public G4VProcess
46 { 58 {
>> 59 // Abstract class which defines the public behavior of
>> 60 // discrete physics interactions.
47 public: 61 public:
48 62
49 G4VDiscreteProcess(const G4String& aName, << 63 G4VDiscreteProcess(const G4String& ,
50 G4ProcessType aType = f << 64 G4ProcessType aType = fNotDefined );
51 G4VDiscreteProcess(G4VDiscreteProcess&); << 65 G4VDiscreteProcess(G4VDiscreteProcess &);
52 66
53 virtual ~G4VDiscreteProcess(); << 67 virtual ~G4VDiscreteProcess();
54 68
55 G4VDiscreteProcess& operator=(const G4VDis << 69 public :// with description
56 << 70 virtual G4double PostStepGetPhysicalInteractionLength(
57 virtual G4double PostStepGetPhysicalIntera <<
58 const G4Track& tr 71 const G4Track& track,
59 G4double previous << 72 G4double previousStepSize,
60 G4ForceCondition* << 73 G4ForceCondition* condition
61 ); << 74 );
62 << 75
63 virtual G4VParticleChange* PostStepDoIt( << 76 virtual G4VParticleChange* PostStepDoIt(
64 const G4Track& , << 77 const G4Track& ,
65 const G4Step& << 78 const G4Step&
66 ); << 79 );
67 80
68 // No operation in AtRestDoIt and AlongSte << 81 // no operation in AtRestDoIt and AlongStepDoIt
69 // << 82 virtual G4double AlongStepGetPhysicalInteractionLength(
70 virtual G4double AlongStepGetPhysicalInter <<
71 const G4Track&, 83 const G4Track&,
72 G4double , << 84 G4double ,
73 G4double , << 85 G4double ,
74 G4double& , << 86 G4double& ,
75 G4GPILSelection* 87 G4GPILSelection*
76 ) { return -1.0; } << 88 ){ return -1.0; };
77 89
78 virtual G4double AtRestGetPhysicalInteract << 90 virtual G4double AtRestGetPhysicalInteractionLength(
79 const G4Track& , 91 const G4Track& ,
80 G4ForceCondition* << 92 G4ForceCondition*
81 ) { return -1.0; } << 93 ) { return -1.0; };
82 94
83 // No operation in AtRestDoIt and AlongSte << 95 // no operation in AtRestDoIt and AlongStepDoIt
84 // << 96 virtual G4VParticleChange* AtRestDoIt(
85 virtual G4VParticleChange* AtRestDoIt( << 97 const G4Track& ,
86 const G4Track& , << 98 const G4Step&
87 const G4Step& << 99 ) {return 0;};
88 ) { return nullptr << 100
89 << 101 virtual G4VParticleChange* AlongStepDoIt(
90 virtual G4VParticleChange* AlongStepDoIt( << 102 const G4Track& ,
91 const G4Track& , << 103 const G4Step&
92 const G4Step& << 104 ) {return 0;};
93 ) { return nullptr <<
94 <<
95 // cross section in the unit of inverse le <<
96 // function of kinetic energy <<
97 virtual G4double GetCrossSection( <<
98 const G4double, <<
99 const G4MaterialC <<
100 ) { return 0.0; } <<
101 <<
102 // minimal energy for non-zero cross secti <<
103 virtual G4double MinPrimaryEnergy( <<
104 const G4ParticleD <<
105 const G4Material* <<
106 ) { return 0.0; } <<
107 105
108 protected: << 106 protected:// with description
109 << 107 virtual G4double GetMeanFreePath(const G4Track& aTrack,
110 virtual G4double GetMeanFreePath( const G4 << 108 G4double previousStepSize,
111 G4double << 109 G4ForceCondition* condition
112 G4ForceC << 110 )=0;
113 // Calculates from the macroscopic cross << 111 // Calculates from the macroscopic cross section a mean
114 // free path, the value is returned in u << 112 // free path, the value is returned in units of distance.
115 113
116 private: 114 private:
>> 115 // hide default constructor and assignment operator as private
>> 116 G4VDiscreteProcess();
>> 117 G4VDiscreteProcess & operator=(const G4VDiscreteProcess &right);
117 118
118 G4VDiscreteProcess(); <<
119 // Hidden default constructor <<
120 }; 119 };
121 120
122 #endif 121 #endif
>> 122
>> 123
>> 124
123 125