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G4VMscModel.cc
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25 //
26 //
27 // -------------------------------------------------------------------
28 //
29 // GEANT4 Class file
30 //
31 //
32 // File name: G4VMscModel
33 //
34 // Author: Vladimir Ivanchenko
35 //
36 // Creation date: 07.03.2008
37 //
38 // Modifications:
39 //
40 //
41 // Class Description:
42 //
43 // General interface to msc models
44 
45 // -------------------------------------------------------------------
46 //
47 
48 #include "G4VMscModel.hh"
49 #include "G4SystemOfUnits.hh"
52 #include "G4LossTableManager.hh"
53 #include "G4LossTableBuilder.hh"
54 #include "G4EmParameters.hh"
55 
56 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
57 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
58 
60  G4VEmModel(nam),
61  safetyHelper(nullptr),
62  ionisation(nullptr),
63  facrange(0.04),
64  facgeom(2.5),
65  facsafety(0.6),
66  skin(1.0),
67  dtrl(0.05),
68  lambdalimit(1.*CLHEP::mm),
69  geomMin(1.e-6*CLHEP::mm),
70  geomMax(1.e50*CLHEP::mm),
71  fDisplacement(0.,0.,0.),
72  steppingAlgorithm(fUseSafety),
73  samplez(false),
74  latDisplasment(true)
75 {
78  localtkin = 0.0;
79  currentPart = nullptr;
80  SetUseBaseMaterials(false);
81 }
82 
83 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
84 
86 {}
87 
88 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
89 
92 {
93  // recomputed for each new run
94  if(!safetyHelper) {
96  ->GetSafetyHelper();
98  }
99  G4ParticleChangeForMSC* change = nullptr;
100  if (pParticleChange) {
101  change = static_cast<G4ParticleChangeForMSC*>(pParticleChange);
102  } else {
103  change = new G4ParticleChangeForMSC();
104  }
105  if(p) {
106 
107  // table is never built for GenericIon
108  if(p->GetParticleName() == "GenericIon") {
109  if(xSectionTable) {
111  delete xSectionTable;
112  xSectionTable = nullptr;
113  }
114 
115  // table is always built for low mass particles
116  } else if(p->GetPDGMass() < 4.5*GeV || ForceBuildTableFlag()) {
117 
119  idxTable = 0;
120  G4LossTableBuilder* builder =
122  if(IsMaster()) {
125  emin = std::max(emin, param->MinKinEnergy());
126  emax = std::min(emax, param->MaxKinEnergy());
127  if(emin < emax) {
128  xSectionTable = builder->BuildTableForModel(xSectionTable, this, p,
129  emin, emax, true);
130  }
131  }
132  }
133  }
134  return change;
135 }
136 
137 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
138 
140 {
141  if(IsLocked()) { return; }
143  if(std::abs(part->GetPDGEncoding()) == 11) {
145  facrange = param->MscRangeFactor();
147  } else {
149  facrange = param->MscMuHadRangeFactor();
151  }
152  skin = param->MscSkin();
153  facgeom = param->MscGeomFactor();
154  facsafety = param->MscSafetyFactor();
155  lambdalimit = param->MscLambdaLimit();
156 }
157 
158 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
159 
160 void G4VMscModel::SampleSecondaries(std::vector<G4DynamicParticle*>*,
161  const G4MaterialCutsCouple*,
162  const G4DynamicParticle*,
164 {}
165 
166 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......