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25 // 25 //
26 // G4ParticleChangeForOccurenceBiasing <<
27 // ------------------------------------------- <<
28 <<
29 #include "G4ParticleChangeForOccurenceBiasing. 26 #include "G4ParticleChangeForOccurenceBiasing.hh"
30 27
31 G4ParticleChangeForOccurenceBiasing:: << 28 G4ParticleChangeForOccurenceBiasing::G4ParticleChangeForOccurenceBiasing(G4String name)
32 G4ParticleChangeForOccurenceBiasing(const G4St <<
33 : G4VParticleChange(), 29 : G4VParticleChange(),
34 fName(name) << 30 fName(name),
>> 31 fWrappedParticleChange(0),
>> 32 fOccurenceWeightForNonInteraction(-1.0),
>> 33 fOccurenceWeightForInteraction(-1.0)
>> 34 {}
>> 35
>> 36 G4ParticleChangeForOccurenceBiasing::~G4ParticleChangeForOccurenceBiasing()
35 {} 37 {}
36 38
37 void G4ParticleChangeForOccurenceBiasing:: << 39 void G4ParticleChangeForOccurenceBiasing::SetWrappedParticleChange(G4VParticleChange* wpc)
38 SetWrappedParticleChange(G4VParticleChange* wp <<
39 { 40 {
40 fWrappedParticleChange = wpc; 41 fWrappedParticleChange = wpc;
41 } 42 }
42 43
43 void G4ParticleChangeForOccurenceBiasing::Stea 44 void G4ParticleChangeForOccurenceBiasing::StealSecondaries()
44 { 45 {
45 SetNumberOfSecondaries( fWrappedParticleChan 46 SetNumberOfSecondaries( fWrappedParticleChange->GetNumberOfSecondaries() );
46 for (G4int isecond = 0; isecond < fWrappedPa 47 for (G4int isecond = 0; isecond < fWrappedParticleChange->GetNumberOfSecondaries(); isecond++)
47 { << 48 {
48 G4Track* secondary = fWrappedParticleChan << 49 G4Track* secondary = fWrappedParticleChange->GetSecondary(isecond);
49 secondary->SetWeight ( secondary->GetWeigh << 50 secondary->SetWeight ( secondary->GetWeight() * fOccurenceWeightForInteraction );
50 AddSecondary( secondary ); << 51 AddSecondary( secondary );
51 } << 52 }
52 fWrappedParticleChange->Clear(); 53 fWrappedParticleChange->Clear();
53 } 54 }
54 55
>> 56
55 G4Step* G4ParticleChangeForOccurenceBiasing::U 57 G4Step* G4ParticleChangeForOccurenceBiasing::UpdateStepForAtRest(G4Step* step)
56 { 58 {
57 return step; 59 return step;
58 } 60 }
59 61
60 G4Step* G4ParticleChangeForOccurenceBiasing::U 62 G4Step* G4ParticleChangeForOccurenceBiasing::UpdateStepForAlongStep(G4Step* step)
61 { 63 {
62 // -- make particle change of wrapped proces 64 // -- make particle change of wrapped process to apply its changes:
63 if ( fWrappedParticleChange ) << 65 if ( fWrappedParticleChange ) fWrappedParticleChange->UpdateStepForAlongStep( step );
64 fWrappedParticleChange->UpdateStepForAlong << 66
65 <<
66 // -- multiply parent weight by weight due t 67 // -- multiply parent weight by weight due to occurrence biasing:
67 G4StepPoint* postStepPoint = step->GetPostSt 68 G4StepPoint* postStepPoint = step->GetPostStepPoint();
68 postStepPoint->SetWeight( postStepPoint->Get << 69 postStepPoint->SetWeight( postStepPoint->GetWeight() * fOccurenceWeightForNonInteraction );
69 << 70
70 return step; 71 return step;
71 } 72 }
72 73
73 G4Step* G4ParticleChangeForOccurenceBiasing::U 74 G4Step* G4ParticleChangeForOccurenceBiasing::UpdateStepForPostStep(G4Step* step)
74 { 75 {
75 // -- let make first wrapped process to appl 76 // -- let make first wrapped process to apply its changes:
76 fWrappedParticleChange->UpdateStepForPostSte 77 fWrappedParticleChange->UpdateStepForPostStep(step);
77 // -- then apply weight correction due to oc 78 // -- then apply weight correction due to occurrence biasing:
78 G4StepPoint* postStepPoint = step->GetPostSt 79 G4StepPoint* postStepPoint = step->GetPostStepPoint();
79 postStepPoint->SetWeight( postStepPoint->Get << 80 postStepPoint->SetWeight( postStepPoint->GetWeight() * fOccurenceWeightForInteraction );
80 81
81 return step; 82 return step;
82 } 83 }
83 84