| Geant4 Cross Reference |
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25 //
26 //
27
28 #include "G4DNAIonChargeDecreaseModel.hh"
29 #include "G4PhysicalConstants.hh"
30 #include "G4SystemOfUnits.hh"
31 #include "G4GenericIon.hh"
32 #include "G4DummyModel.hh"
33
34 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
35
36 G4DNAIonChargeDecreaseModel::G4DNAIonChargeDecreaseModel(
37 const G4ParticleDefinition*, const G4String& nam)
38 : G4VEmModel(nam)
39 {
40 // dummy for the time being
41 fDummy = new G4DummyModel();
42 }
43
44 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
45
46 void G4DNAIonChargeDecreaseModel::Initialise(const G4ParticleDefinition* part,
47 const G4DataVector& v)
48 {
49 if (part != G4GenericIon::GenericIon()) {
50 G4ExceptionDescription ed;
51 ed << "Wrong particle type <" << part->GetParticleName()
52 << "> - only G4GenericIon is allowed";
53 G4Exception("G4DNAIonChargeDecreaseModel::Initialise(...)",
54 "em2001", FatalException, ed);
55 }
56
57 // this pointer should defined once before initialisation of
58 // concrete models
59 if (nullptr == fParticleChangeForGamma) {
60 fParticleChangeForGamma = GetParticleChangeForGamma();
61
62 // should be set once for each model
63 fDummy->SetParticleChange(fParticleChangeForGamma);
64 }
65
66 // initialisation of concrete models - put extra model here
67 fDummy->Initialise(part, v);
68 }
69
70 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
71
72 void G4DNAIonChargeDecreaseModel::StartTracking(G4Track* track)
73 {
74 fDynParticle = track->GetDynamicParticle();
75 }
76
77 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
78
79 G4double G4DNAIonChargeDecreaseModel::CrossSectionPerVolume(const G4Material* mat,
80 const G4ParticleDefinition* p,
81 G4double ekin,
82 G4double, G4double)
83 {
84 G4int Q = G4lrint(fDynParticle->GetCharge()/CLHEP::eplus);
85
86 if (Q <= 0) { return 0.0; }
87
88 // select model
89 fCurrentModel = fDummy;
90
91 // compute concrete cross section
92 return fCurrentModel->CrossSectionPerVolume(mat, p, ekin);
93 }
94
95 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
96
97 void G4DNAIonChargeDecreaseModel::SampleSecondaries(std::vector<G4DynamicParticle*>* fvect,
98 const G4MaterialCutsCouple* couple,
99 const G4DynamicParticle* dp,
100 G4double, G4double)
101 {
102 // sample secondaries by the selected model
103 fCurrentModel->SampleSecondaries(fvect, couple, dp);
104 }
105
106 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
107