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1 //
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25 //
26 //
27 //
28 //
29 // --------------------------------------------------------------
30 // GEANT 4 class implementation file
31 //
32 // History: first implementation, based on object model of
33 // 2nd December 1995, G.Cosmo
34 // --------------------------------------------------------------
35 // New Physics scheme 8 Jan. 1997 H.Kurahige
36 // ------------------------------------------------------------
37
38 #include "G4VITDiscreteProcess.hh"
39 #include "G4SystemOfUnits.hh"
40
41 #include "G4Step.hh"
42 #include "G4Track.hh"
43 #include "G4MaterialTable.hh"
44 #include "G4VParticleChange.hh"
45
46 G4VITDiscreteProcess::G4VITDiscreteProcess() :
47 G4VITProcess("No Name Discrete Process")
48 {
49 G4Exception("G4VDiscreteProcess::G4VDiscreteProcess()",
50 "ProcMan102",
51 JustWarning,
52 "Default constructor is called");
53 }
54
55 //------------------------------------------------------------------------------
56
57 G4VITDiscreteProcess::G4VITDiscreteProcess(const G4String& aName,
58 G4ProcessType aType) :
59 G4VITProcess(aName, aType)
60 {
61 enableAtRestDoIt = false;
62 enableAlongStepDoIt = false;
63 }
64
65 //------------------------------------------------------------------------------
66
67 G4VITDiscreteProcess::~G4VITDiscreteProcess()
68 = default;
69
70 //------------------------------------------------------------------------------
71
72 G4VITDiscreteProcess::G4VITDiscreteProcess(G4VITDiscreteProcess& right)
73
74 = default;
75
76 //------------------------------------------------------------------------------
77
78 G4double
79 G4VITDiscreteProcess::
80 PostStepGetPhysicalInteractionLength(const G4Track& track,
81 G4double previousStepSize,
82 G4ForceCondition* condition)
83 {
84 if((previousStepSize < 0.0)
85 || (fpState->theNumberOfInteractionLengthLeft <= 0.0))
86 {
87 // beginning of tracking (or just after DoIt of this process)
88 ResetNumberOfInteractionLengthLeft();
89 } else if(previousStepSize > 0.0)
90 {
91 // subtract NumberOfInteractionLengthLeft
92 SubtractNumberOfInteractionLengthLeft(previousStepSize);
93 } else
94 {
95 // zero step
96 // DO NOTHING
97 }
98
99 // condition is set to "Not Forced"
100 *condition = NotForced;
101
102 // get mean free path
103 fpState->currentInteractionLength = GetMeanFreePath(track,
104 previousStepSize,
105 condition);
106
107 G4double value;
108 if(fpState->currentInteractionLength < DBL_MAX)
109 {
110 value = fpState->theNumberOfInteractionLengthLeft
111 * fpState->currentInteractionLength;
112 } else
113 {
114 value = DBL_MAX;
115 }
116 #ifdef G4VERBOSE
117 if(verboseLevel > 1)
118 {
119 G4cout << "G4VDiscreteProcess::PostStepGetPhysicalInteractionLength ";
120 G4cout << "[ " << GetProcessName() << "]" << G4endl;
121 track.GetDynamicParticle()->DumpInfo();
122 G4cout << " in Material " << track.GetMaterial()->GetName() << G4endl;
123 G4cout << "InteractionLength= " << value / cm << "[cm] " << G4endl;
124 }
125 #endif
126 return value;
127 }
128
129 //------------------------------------------------------------------------------
130
131 G4VParticleChange* G4VITDiscreteProcess::PostStepDoIt(const G4Track&,
132 const G4Step&)
133 {
134 // clear NumberOfInteractionLengthLeft
135 ClearNumberOfInteractionLengthLeft();
136
137 return pParticleChange;
138 }
139