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G4RDBremsstrahlungCrossSectionHandler.cc
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25 //
26 //
27 // -------------------------------------------------------------------
28 //
29 // GEANT4 Class file
30 //
31 //
32 // File name: G4RDBremsstrahlungCrossSectionHandler
33 //
34 // Author: V.Ivanchenko (Vladimir.Ivanchenko@cern.ch)
35 //
36 // Creation date: 25 September 2001
37 //
38 // Modifications:
39 // 10.10.2001 MGP Revision to improve code quality and consistency with design
40 // 21.01.2003 VI cut per region
41 //
42 // -------------------------------------------------------------------
43 
46 #include "G4DataVector.hh"
48 #include "G4RDVDataSetAlgorithm.hh"
50 #include "G4RDVEMDataSet.hh"
51 #include "G4RDEMDataSet.hh"
52 #include "G4Material.hh"
53 #include "G4ProductionCutsTable.hh"
54 
57  : theBR(spec)
58 {
60 }
61 
62 
64 {
65  delete interp;
66 }
67 
68 
69 std::vector<G4RDVEMDataSet*>*
71  const G4DataVector* energyCuts)
72 {
73  std::vector<G4RDVEMDataSet*>* set = new std::vector<G4RDVEMDataSet*>;
74 
75  G4DataVector* energies;
76  G4DataVector* cs;
77  G4int nOfBins = energyVector.size();
78 
79  const G4ProductionCutsTable* theCoupleTable=
81  size_t numOfCouples = theCoupleTable->GetTableSize();
82 
83  for (size_t m=0; m<numOfCouples; m++) {
84 
85  const G4MaterialCutsCouple* couple = theCoupleTable->GetMaterialCutsCouple(m);
86  const G4Material* material= couple->GetMaterial();
87  const G4ElementVector* elementVector = material->GetElementVector();
88  const G4double* nAtomsPerVolume = material->GetVecNbOfAtomsPerVolume();
89  G4int nElements = material->GetNumberOfElements();
90 
91  G4double tcut = (*energyCuts)[m];
92 
94  G4RDVEMDataSet* setForMat = new G4RDCompositeEMDataSet(algo,1.,1.);
95 
96  for (G4int i=0; i<nElements; i++) {
97 
98  G4int Z = (G4int) ((*elementVector)[i]->GetZ());
99  energies = new G4DataVector;
100  cs = new G4DataVector;
101  G4double density = nAtomsPerVolume[i];
102 
103  for (G4int bin=0; bin<nOfBins; bin++) {
104 
105  G4double e = energyVector[bin];
106  energies->push_back(e);
107  G4double value = 0.0;
108 
109  if(e > tcut) {
110  G4double elemCs = FindValue(Z, e);
111 
112  value = theBR->Probability(Z, tcut, e, e);
113 
114  value *= elemCs*density;
115  }
116  cs->push_back(value);
117  }
118  G4RDVDataSetAlgorithm* algol = interp->Clone();
119  G4RDVEMDataSet* elSet = new G4RDEMDataSet(i,energies,cs,algol,1.,1.);
120  setForMat->AddComponent(elSet);
121  }
122  set->push_back(setForMat);
123  }
124 
125  return set;
126 }