F04Materials.cc

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#include "F04Materials.hh"
#include "G4SystemOfUnits.hh"

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F04Materials::F04Materials()
{
  fNistMan = G4NistManager::Instance();

  fNistMan->SetVerbose(2);

  CreateMaterials();
}

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F04Materials::~F04Materials()
{
  delete    fVacuum;
  delete    fAir;
  delete    fSci;
  delete    fBeO;
}

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F04Materials* F04Materials::fInstance = 0;

F04Materials* F04Materials::GetInstance()
{
  if (fInstance == 0)
    {
      fInstance = new F04Materials();
    }
  return fInstance;
}

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G4Material* F04Materials::GetMaterial(const G4String material)
{
  G4Material* mat =  fNistMan->FindOrBuildMaterial(material);

  if (!mat) mat = G4Material::GetMaterial(material);
  if (!mat) {G4cout << material << "Not Found, Please Retry"<< G4endl;}

  return mat;
}

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void F04Materials::CreateMaterials()
{
  G4double density;
  std::vector<G4int>  natoms;
  std::vector<G4double> fractionMass;
  std::vector<G4String> elements;

  // Materials Definitions
  // =====================

  // Define Vacuum

  fVacuum = fNistMan->FindOrBuildMaterial("G4_Galactic");

  // Define Air

  fAir = fNistMan->FindOrBuildMaterial("G4_AIR");

  // Define BeO

  fBeO = fNistMan->FindOrBuildMaterial("G4_BERYLLIUM_OXIDE");

  // Define Scintillator

  elements.push_back("C");     natoms.push_back(9);
  elements.push_back("H");     natoms.push_back(10);

  density = 1.032*g/cm3;;

  fSci = fNistMan->
          ConstructNewMaterial("Scintillator", elements, natoms, density);

  elements.clear();
  natoms.clear();

  G4cout << G4endl << "The materials defined are: " << G4endl << G4endl;
  
  G4cout << *(G4Material::GetMaterialTable()) << G4endl;
}