Geant4 11.1.1
Toolkit for the simulation of the passage of particles through matter
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G4CrossSectionHandler Class Reference

#include <G4CrossSectionHandler.hh>

+ Inheritance diagram for G4CrossSectionHandler:

Public Member Functions

 G4CrossSectionHandler ()
 
 ~G4CrossSectionHandler ()
 
- Public Member Functions inherited from G4VCrossSectionHandler
 G4VCrossSectionHandler ()
 
 G4VCrossSectionHandler (G4VDataSetAlgorithm *interpolation, G4double minE=250 *CLHEP::eV, G4double maxE=100 *CLHEP::GeV, G4int nBins=200, G4double unitE=CLHEP::MeV, G4double unitData=CLHEP::barn, G4int minZ=1, G4int maxZ=99)
 
virtual ~G4VCrossSectionHandler ()
 
void Initialise (G4VDataSetAlgorithm *interpolation=nullptr, G4double minE=250 *CLHEP::eV, G4double maxE=100 *CLHEP::GeV, G4int numberOfBins=200, G4double unitE=CLHEP::MeV, G4double unitData=CLHEP::barn, G4int minZ=1, G4int maxZ=99)
 
G4int SelectRandomAtom (const G4MaterialCutsCouple *couple, G4double e) const
 
const G4ElementSelectRandomElement (const G4MaterialCutsCouple *material, G4double e) const
 
G4int SelectRandomShell (G4int Z, G4double e) const
 
G4VEMDataSetBuildMeanFreePathForMaterials (const G4DataVector *energyCuts=nullptr)
 
G4double FindValue (G4int Z, G4double e) const
 
G4double FindValue (G4int Z, G4double e, G4int shellIndex) const
 
G4double ValueForMaterial (const G4Material *material, G4double e) const
 
void LoadData (const G4String &dataFile)
 
void LoadNonLogData (const G4String &dataFile)
 
void LoadShellData (const G4String &dataFile)
 
void PrintData () const
 
void Clear ()
 
 G4VCrossSectionHandler (const G4VCrossSectionHandler &)=delete
 
G4VCrossSectionHandleroperator= (const G4VCrossSectionHandler &right)=delete
 

Protected Member Functions

std::vector< G4VEMDataSet * > * BuildCrossSectionsForMaterials (const G4DataVector &energyVector, const G4DataVector *energyCuts=0) override
 
- Protected Member Functions inherited from G4VCrossSectionHandler
G4int NumberOfComponents (G4int Z) const
 
void ActiveElements ()
 
virtual std::vector< G4VEMDataSet * > * BuildCrossSectionsForMaterials (const G4DataVector &energyVector, const G4DataVector *energyCuts=nullptr)=0
 
virtual G4VDataSetAlgorithmCreateInterpolation ()
 
const G4VDataSetAlgorithmGetInterpolation () const
 

Detailed Description

Definition at line 56 of file G4CrossSectionHandler.hh.

Constructor & Destructor Documentation

◆ G4CrossSectionHandler()

G4CrossSectionHandler::G4CrossSectionHandler ( )
explicit

Definition at line 65 of file G4CrossSectionHandler.cc.

66{ }

◆ ~G4CrossSectionHandler()

G4CrossSectionHandler::~G4CrossSectionHandler ( )

Definition at line 70 of file G4CrossSectionHandler.cc.

71{ }

Member Function Documentation

◆ BuildCrossSectionsForMaterials()

std::vector< G4VEMDataSet * > * G4CrossSectionHandler::BuildCrossSectionsForMaterials ( const G4DataVector energyVector,
const G4DataVector energyCuts = 0 
)
overrideprotectedvirtual

Implements G4VCrossSectionHandler.

Definition at line 76 of file G4CrossSectionHandler.cc.

78{
79 G4DataVector* energies;
80 G4DataVector* data;
81
82 G4DataVector* log_energies;
83 G4DataVector* log_data;
84
85 std::vector<G4VEMDataSet*>* matCrossSections = new std::vector<G4VEMDataSet*>;
86
87 const G4ProductionCutsTable* theCoupleTable=
89 G4int numOfCouples = (G4int)theCoupleTable->GetTableSize();
90
91 std::size_t nOfBins = energyVector.size();
92 const G4VDataSetAlgorithm* interpolationAlgo = CreateInterpolation();
93
94 for (G4int mLocal=0; mLocal<numOfCouples; ++mLocal)
95 {
96 const G4MaterialCutsCouple* couple = theCoupleTable->GetMaterialCutsCouple(mLocal);
97 const G4Material* material= couple->GetMaterial();
98 G4int nElements = (G4int)material->GetNumberOfElements();
99 const G4ElementVector* elementVector = material->GetElementVector();
100 const G4double* nAtomsPerVolume = material->GetAtomicNumDensityVector();
101
102 G4VDataSetAlgorithm* algo = interpolationAlgo->Clone();
103
104 G4VEMDataSet* setForMat = new G4CompositeEMDataSet(algo,1.,1.);
105
106 for (G4int i=0; i<nElements; ++i) {
107
108 G4int Z = (G4int) (*elementVector)[i]->GetZ();
109 G4double density = nAtomsPerVolume[i];
110
111 energies = new G4DataVector;
112 data = new G4DataVector;
113
114 log_energies = new G4DataVector;
115 log_data = new G4DataVector;
116
117 for (std::size_t bin=0; bin<nOfBins; ++bin)
118 {
119 G4double e = energyVector[bin];
120 energies->push_back(e);
121 if (e==0.) e=1e-300;
122 log_energies->push_back(std::log10(e));
123 G4double cross = density*FindValue(Z,e);
124 data->push_back(cross);
125 if (cross==0.) cross=1e-300;
126 log_data->push_back(std::log10(cross));
127 }
128
129 G4VDataSetAlgorithm* algo1 = interpolationAlgo->Clone();
130 G4VEMDataSet* elSet = new G4EMDataSet(i,energies,data,log_energies,log_data,algo1,1.,1.);
131
132 setForMat->AddComponent(elSet);
133 }
134
135 matCrossSections->push_back(setForMat);
136 }
137 delete interpolationAlgo;
138 return matCrossSections;
139}
std::vector< const G4Element * > G4ElementVector
double G4double
Definition: G4Types.hh:83
int G4int
Definition: G4Types.hh:85
const G4int Z[17]
const G4Material * GetMaterial() const
const G4ElementVector * GetElementVector() const
Definition: G4Material.hh:185
size_t GetNumberOfElements() const
Definition: G4Material.hh:181
const G4double * GetAtomicNumDensityVector() const
Definition: G4Material.hh:211
const G4MaterialCutsCouple * GetMaterialCutsCouple(G4int i) const
std::size_t GetTableSize() const
static G4ProductionCutsTable * GetProductionCutsTable()
G4double FindValue(G4int Z, G4double e) const
virtual G4VDataSetAlgorithm * CreateInterpolation()
virtual G4VDataSetAlgorithm * Clone() const =0
virtual void AddComponent(G4VEMDataSet *dataSet)=0

The documentation for this class was generated from the following files: