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This commit is contained in:
Gabriele Cosmo
2016-06-08 16:57:27 +02:00
parent 330b82b769
commit 37fff30d2e
5733 changed files with 263867 additions and 74574 deletions
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source/processes/electromagnetic/lowenergy/src/G4VCrossSectionHandler.cc
+49 -39
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@@ -21,16 +21,17 @@
// ********************************************************************
//
//
// $Id: G4VCrossSectionHandler.cc,v 1.9 2002/05/28 09:20:21 pia Exp $
// GEANT4 tag $Name: geant4-04-01 $
// $Id: G4VCrossSectionHandler.cc,v 1.11 2002/07/30 10:06:21 gcosmo Exp $
// GEANT4 tag $Name: geant4-05-00 $
//
// Author: Maria Grazia Pia (Maria.Grazia.Pia@cern.ch)
//
// History:
// -----------
// 1 Aug 2001 MGP Created
// 09.10.01 V.Ivanchenko Add FindValue with 3 parameters
// + NumberOfComponents
// 1 Aug 2001 MGP Created
// 09 Oct 2001 VI Add FindValue with 3 parameters
// + NumberOfComponents
// 19 Jul 2002 VI Create composite data set for material
//
// -------------------------------------------------------------------
@@ -453,15 +454,19 @@ G4VEMDataSet* G4VCrossSectionHandler::BuildMeanFreePathForMaterials(const G4Data
for (size_t m=0; m<nMaterials; m++)
{
energies = new G4DataVector;
energies = new G4DataVector;
data = new G4DataVector;
for (G4int bin=0; bin<nBins; bin++)
{
G4double energy = energyVector[bin];
energies->push_back(energy);
G4VEMDataSet* matCrossSet = (*crossSections)[m];
G4double materialCrossSection = matCrossSet->FindValue(energy);
G4double materialCrossSection = 0.0;
G4int nElm = matCrossSet->NumberOfComponents();
for(G4int j=0; j<nElm; j++) {
materialCrossSection += matCrossSet->GetComponent(j)->FindValue(energy);
}
if (materialCrossSection > 0.)
{
data->push_back(1./materialCrossSection);
@@ -474,7 +479,7 @@ G4VEMDataSet* G4VCrossSectionHandler::BuildMeanFreePathForMaterials(const G4Data
G4VDataSetAlgorithm* algo = CreateInterpolation();
G4VEMDataSet* dataSet = new G4EMDataSet(m,energies,data,algo,1.,1.);
materialSet->AddComponent(dataSet);
}
}
return materialSet;
}
@@ -485,33 +490,35 @@ G4int G4VCrossSectionHandler::SelectRandomAtom(const G4Material* material, G4dou
// determined by the cross sections in the data set
G4int nElements = material->GetNumberOfElements();
const G4ElementVector* elementVector = material->GetElementVector();
// Special case: the material consists of one element
if (nElements == 1)
{
G4int Z = (G4int) (*elementVector)[0]->GetZ();
G4int Z = (G4int) material->GetZ();
return Z;
}
// Composite material
G4double materialCrossSection0 = ValueForMaterial(material,e);
// size_t materialIndex = material->GetIndex();
const G4ElementVector* elementVector = material->GetElementVector();
size_t materialIndex = material->GetIndex();
// G4VEMDataSet* materialSet = crossSections[materialIndex];
// G4double materialCrossSection = materialSet->FindValue(e);
G4VEMDataSet* materialSet = (*crossSections)[materialIndex];
G4double materialCrossSection0 = 0.0;
G4DataVector cross;
cross.clear();
for ( G4int i=0; i < nElements; i++ )
{
G4double cr = materialSet->GetComponent(i)->FindValue(e);
materialCrossSection0 += cr;
cross.push_back(materialCrossSection0);
}
G4double random = G4UniformRand() * materialCrossSection0;
const G4double* nAtomsPerVolume = material->GetVecNbOfAtomsPerVolume();
G4double partialSumSigma = 0.;
for ( G4int i=0 ; i < nElements ; i++ )
for (G4int k=0 ; k < nElements ; k++ )
{
G4int Z = (G4int) (*elementVector)[i]->GetZ();
G4double crossSection = FindValue(Z,e);
partialSumSigma += nAtomsPerVolume[i] * crossSection;
if (random <= partialSumSigma) return Z;
if (random <= cross[k]) return (G4int) (*elementVector)[k]->GetZ();
}
// It should never get here
return 0;
@@ -536,27 +543,30 @@ const G4Element* G4VCrossSectionHandler::SelectRandomElement(const G4Material* m
else
{
// Composite material
G4double materialCrossSection0 = ValueForMaterial(material,e);
// size_t materialIndex = material->GetIndex();
// G4VEMDataSet* materialSet = crossSections[materialIndex];
// G4double materialCrossSection = materialSet->FindValue(e);
size_t materialIndex = material->GetIndex();
G4VEMDataSet* materialSet = (*crossSections)[materialIndex];
G4double materialCrossSection0 = 0.0;
G4DataVector cross;
cross.clear();
for (G4int i=0; i<nElements; i++)
{
G4double cr = materialSet->GetComponent(i)->FindValue(e);
materialCrossSection0 += cr;
cross.push_back(materialCrossSection0);
}
G4double random = G4UniformRand() * materialCrossSection0;
const G4double* nAtomsPerVolume = material->GetVecNbOfAtomsPerVolume();
G4double partialSumSigma = 0.;
for ( G4int i=0 ; i < nElements ; i++ )
{
G4Element* element = (*elementVector)[i];
G4int Z = (G4int) element->GetZ();
G4double crossSection = FindValue(Z,e);
partialSumSigma += nAtomsPerVolume[i] * crossSection;
if (random <= partialSumSigma) return element;
}
}
for (G4int k=0 ; k < nElements ; k++ )
{
if (random <= cross[k]) return (*elementVector)[k];
}
// It should never end up here
G4cout << "G4VCrossSectionHandler::SelectRandomElement - no element found" << G4endl;
return nullElement;
}
}
G4int G4VCrossSectionHandler::SelectRandomShell(G4int Z, G4double e) const