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G4VContinuousDiscreteProcess.hh
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29 // ------------------------------------------------------------
30 // GEANT 4 class header file
31 //
32 // Abstract class which defines the public behavior of
33 //
34 // Class Description
35 // discrete physics interactions.
36 //
37 // ------------------------------------------------------------
38 // New Physics scheme 8 Mar. 1997 H.Kurahige
39 // ------------------------------------------------------------
40 // fix bugs in GetGPILSelection() 24 Jan. 1998 H.Kurashige
41 // modified for new ParticleChange 12 Mar. 1998 H.Kurashige
42 // Fixed a bug in PostStepGetPhysicalInteractionLength
43 // 15 Apr. 2002 H.Kurashige
44 //
45 
46 #ifndef G4VContinuousDiscreteProcess_h
47 #define G4VContinuousDiscreteProcess_h 1
48 
49 #include "globals.hh"
50 #include "G4ios.hh"
51 
52 #include "G4VProcess.hh"
53 
55 {
56  // Abstract class which defines the public behavior of
57  // discrete physics interactions.
58  public:
59 
61  G4ProcessType aType = fNotDefined );
63 
65 
66  public :// with description
68  const G4Track& track,
69  G4double previousStepSize,
71  );
72 
74  const G4Track& ,
75  const G4Step&
76  );
77 
79  const G4Track&,
80  G4double previousStepSize,
81  G4double currentMinimumStep,
82  G4double& currentSafety,
83  G4GPILSelection* selection
84  );
85 
87  const G4Track& ,
88  const G4Step&
89  );
90 
91  // no operation in AtRestDoIt
93  const G4Track& ,
95  ) { return -1.0; };
96 
97  // no operation in AtRestDoIt
99  const G4Track& ,
100  const G4Step&
101  ) {return 0;};
102 
103  protected:// with description
104  virtual G4double GetMeanFreePath(const G4Track& aTrack,
105  G4double previousStepSize,
106  G4ForceCondition* condition
107  )=0;
108  // Calculates from the macroscopic cross section a mean
109  // free path, the value is returned in units of distance.
110 
111  protected:// with description
112  virtual G4double GetContinuousStepLimit(const G4Track& aTrack,
113  G4double previousStepSize,
114  G4double currentMinimumStep,
115  G4double& currentSafety
116  )=0;
117  private:
118  // this is the returnd value of G4GPILSelection in
119  // the arguments of AlongStepGPIL()
121 
122  protected:// with description
123  // these two methods are set/get methods for valueGPILSelection
125  { valueGPILSelection = selection;};
126 
128 
129  private:
130  // hide default constructor and assignment operator as private
133 
134 };
135 
136 #endif
137 
138 
139 
140 
141 
142