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G4VITRestDiscreteProcess.cc
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25 //
26 //
27 // Author: Mathieu Karamitros (kara (AT) cenbg . in2p3 . fr)
28 //
29 // History:
30 // -----------
31 // 10 Oct 2011 M.Karamitros created
32 //
33 // -------------------------------------------------------------------
34 
36 
38  G4ProcessType aType)
39  : G4VITProcess(aName, aType)
40 {
41  enableAlongStepDoIt = false;
42 }
43 
45 
47  G4double previousStepSize,
49 {
50  if ((previousStepSize < 0.0) || (fpState->theNumberOfInteractionLengthLeft
51  <= 0.0))
52  {
53  // beggining of tracking (or just after DoIt of this process)
55  }
56  else if (previousStepSize > 0.0)
57  {
58  // subtract NumberOfInteractionLengthLeft
59  SubtractNumberOfInteractionLengthLeft(previousStepSize);
60  }
61  else
62  {
63  // zero step
64  // DO NOTHING
65  }
66 
67  // condition is set to "Not Forced"
68  *condition = NotForced;
69 
70  // get mean free path
71  fpState->currentInteractionLength = GetMeanFreePath(track,
72  previousStepSize,
73  condition);
74 
76  if (fpState->currentInteractionLength < DBL_MAX)
77  {
78  value = fpState->theNumberOfInteractionLengthLeft * (fpState->currentInteractionLength);
79  }
80  else
81  {
82  value = DBL_MAX;
83  }
84 #ifdef G4VERBOSE
85  if (verboseLevel > 1)
86  {
87  G4cout << "G4VITRestDiscreteProcess::PostStepGetPhysicalInteractionLength ";
88  G4cout << "[ " << GetProcessName() << "]" << G4endl;
89  track.GetDynamicParticle()->DumpInfo();
90  G4cout << " in Material " << track.GetMaterial()->GetName() << G4endl;
91  G4cout << "InteractionLength= " << value / CLHEP::cm << "[cm] " << G4endl;
92  }
93 #endif
94  return value;
95 }
96 
98  const G4Step&)
99 {
100 // reset NumberOfInteractionLengthLeft
102 
103  return pParticleChange;
104 }
105 
108 {
109  // beggining of tracking
111 
112  // condition is set to "Not Forced"
113  *condition = NotForced;
114 
115  // get mean life time
116  fpState->currentInteractionLength = GetMeanLifeTime(track, condition);
117 
118 #ifdef G4VERBOSE
119  if ((fpState->currentInteractionLength < 0.0) || (verboseLevel > 2))
120  {
121  G4cout << "G4VITRestDiscreteProcess::AtRestGetPhysicalInteractionLength ";
122  G4cout << "[ " << GetProcessName() << "]" << G4endl;
123  track.GetDynamicParticle()->DumpInfo();
124  G4cout << " in Material " << track.GetMaterial()->GetName() << G4endl;
125  G4cout << "MeanLifeTime = " << fpState->currentInteractionLength / CLHEP::ns
126  << "[ns]" << G4endl;
127  }
128 #endif
129 
130  return fpState->theNumberOfInteractionLengthLeft
131  * (fpState->currentInteractionLength);
132 }
133 
135  const G4Step&)
136 {
137 // clear NumberOfInteractionLengthLeft
139 
140  return pParticleChange;
141 }
142