Geant4_10
G4ParticleChangeForOccurenceBiasing.cc
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27 
30  fName(name),
31  fWrappedParticleChange(0),
32  fOccurenceWeightForNonInteraction(-1.0),
33  fOccurenceWeightForInteraction(-1.0)
34 {}
35 
37 {}
38 
40 {
41  fWrappedParticleChange = wpc;
42 }
43 
45 {
46  SetNumberOfSecondaries( fWrappedParticleChange->GetNumberOfSecondaries() );
47  for (G4int isecond = 0; isecond < fWrappedParticleChange->GetNumberOfSecondaries(); isecond++)
48  {
49  G4Track* secondary = fWrappedParticleChange->GetSecondary(isecond);
50  secondary->SetWeight ( secondary->GetWeight() * fOccurenceWeightForInteraction );
51  AddSecondary( secondary );
52  }
53  fWrappedParticleChange->Clear();
54 }
55 
56 
58 {
59  return step;
60 }
61 
63 {
64  // -- make particle change of wrapped process to apply its changes:
65  if ( fWrappedParticleChange ) fWrappedParticleChange->UpdateStepForAlongStep( step );
66 
67  // -- multiply parent weight by weight due to occurence biasing:
68  G4StepPoint* postStepPoint = step->GetPostStepPoint();
69  // G4cout << " part change along : w = " << postStepPoint->GetWeight() << " , wOcc = " << fOccurenceWeightForNonInteraction << G4endl; // !
70  postStepPoint->SetWeight( postStepPoint->GetWeight() * fOccurenceWeightForNonInteraction );
71 
72  return step;
73 }
74 
76 {
77  // -- let make first wrapped process to apply its changes:
78  fWrappedParticleChange->UpdateStepForPostStep(step);
79  // -- then apply weight correction due to occurence biasing:
80  G4StepPoint* postStepPoint = step->GetPostStepPoint();
81  postStepPoint->SetWeight( postStepPoint->GetWeight() * fOccurenceWeightForInteraction );
82 
83  return step;
84 }
G4int GetNumberOfSecondaries() const
virtual G4Step * UpdateStepForAlongStep(G4Step *Step)
G4Track * GetSecondary(G4int anIndex) const
G4double GetWeight() const
G4String fName
Definition: G4AttUtils.hh:55
void SetWeight(G4double aValue)
const XML_Char * name
Definition: expat.h:151
int G4int
Definition: G4Types.hh:78
void SetWeight(G4double aValue)
Definition: G4Step.hh:76
void AddSecondary(G4Track *aSecondary)
void SetNumberOfSecondaries(G4int totSecondaries)
G4StepPoint * GetPostStepPoint() const
G4double GetWeight() const
virtual G4Step * UpdateStepForPostStep(G4Step *Step)