DetectorConstruction Class Reference

#include "DetectorConstruction.hh"

Inheritance diagram for DetectorConstruction:

Public Member Functions
	DetectorConstruction ()
	~DetectorConstruction ()
G4VPhysicalVolume *	Construct ()
void	SetMaterial (G4String)
const G4VPhysicalVolume *	GetWorld ()
G4double	GetSize ()
G4Material *	GetMaterial ()
void	PrintParameters ()

Private Member Functions
void	DefineMaterials ()
G4VPhysicalVolume *	ConstructVolumes ()

Private Attributes
G4VPhysicalVolume *	pBox
G4double	BoxSize
G4Material *	aMaterial
DetectorMessenger *	detectorMessenger

Detailed Description

Definition at line 46 of file DetectorConstruction.hh.

Constructor & Destructor Documentation

DetectorConstruction::DetectorConstruction

(

)

Definition at line 54 of file DetectorConstruction.cc.

References BoxSize, DefineMaterials(), detectorMessenger, and SetMaterial().

:pBox(0), aMaterial(0)
{
  BoxSize = 1*mm;
  DefineMaterials();
  SetMaterial("Germanium");  
  detectorMessenger = new DetectorMessenger(this);
}

DetectorConstruction::~DetectorConstruction

(

)

Definition at line 65 of file DetectorConstruction.cc.

References detectorMessenger.

{ delete detectorMessenger;}

Member Function Documentation

G4VPhysicalVolume * DetectorConstruction::Construct

(

)

Definition at line 70 of file DetectorConstruction.cc.

References ConstructVolumes().

{
  return ConstructVolumes();
}

G4VPhysicalVolume * DetectorConstruction::ConstructVolumes ( )

private

Definition at line 141 of file DetectorConstruction.cc.

References aMaterial, BoxSize, and pBox.

Referenced by Construct(), and SetMaterial().

{
  // Cleanup old geometry
  G4GeometryManager::GetInstance()->OpenGeometry();
  G4PhysicalVolumeStore::GetInstance()->Clean();
  G4LogicalVolumeStore::GetInstance()->Clean();
  G4SolidStore::GetInstance()->Clean();

  G4Box* 
    sBox = new G4Box("Container",                       //its name
                     BoxSize/2,BoxSize/2,BoxSize/2);    //its dimensions
                   
  G4LogicalVolume*
    lBox = new G4LogicalVolume(sBox,                    //its shape
                               aMaterial,               //its material
                               aMaterial->GetName());   //its name

  pBox = new G4PVPlacement(0,                           //no rotation
                           G4ThreeVector(),             //at (0,0,0)
                           lBox,                        //its logical volume
                           aMaterial->GetName(),        //its name
                           0,                           //its mother  volume
                           false,                       //no boolean operation
                           0);                          //copy number
                             
  //always return the root volume
  //
  return pBox;
}

void DetectorConstruction::DefineMaterials ( )

private

H2O->SetChemicalFormula("H_2O");

Definition at line 77 of file DetectorConstruction.cc.

References z.

Referenced by DetectorConstruction().

{
  //
  // define Elements
  //
  G4double z,a;
  
  G4Element* H  = new G4Element("Hydrogen" ,"H" , z= 1., a=   1.01*g/mole);
  G4Element* N  = new G4Element("Nitrogen" ,"N" , z= 7., a=  14.01*g/mole);
  G4Element* O  = new G4Element("Oxygen"   ,"O" , z= 8., a=  16.00*g/mole);
  G4Element* Ge = new G4Element("Germanium","Ge", z=32., a=  72.59*g/mole);
  G4Element* Bi = new G4Element("Bismuth"  ,"Bi", z=83., a= 208.98*g/mole);
  
  //
  // define materials
  //
  G4double density;
  G4int ncomponents, natoms;
  G4double fractionmass;  
  
  G4Material* Air = 
  new G4Material("Air", density= 1.290*mg/cm3, ncomponents=2);
  Air->AddElement(N, fractionmass=70.*perCent);
  Air->AddElement(O, fractionmass=30.*perCent);

  G4Material* H2l = 
  new G4Material("H2liquid", density= 70.8*mg/cm3, ncomponents=1);
  H2l->AddElement(H, fractionmass=1.);
  
  G4Material* H2O = 
  new G4Material("Water", density= 1.000*g/cm3, ncomponents=2);
  H2O->AddElement(H, natoms=2);
  H2O->AddElement(O, natoms=1);
  H2O->GetIonisation()->SetMeanExcitationEnergy(75.0*eV);
  
  G4Material* steam = 
  new G4Material("WaterSteam", density= 1.0*mg/cm3, ncomponents=1);
  steam->AddMaterial(H2O, fractionmass=1.);
  steam->GetIonisation()->SetMeanExcitationEnergy(71.6*eV);  
    
  G4Material* BGO = 
  new G4Material("BGO", density= 7.10*g/cm3, ncomponents=3);
  BGO->AddElement(O , natoms=12);
  BGO->AddElement(Ge, natoms= 3);
  BGO->AddElement(Bi, natoms= 4);  
    
  new G4Material("Aluminium"  , z=13., a= 26.98*g/mole, density= 2.700*g/cm3);
  new G4Material("Silicon"    , z=14., a= 28.09*g/mole, density= 2.330*g/cm3);
  new G4Material("liquidArgon", z=18., a= 39.95*g/mole, density= 1.390*g/cm3);  
  new G4Material("Iron"       , z=26., a= 55.85*g/mole, density= 7.870*g/cm3);
  new G4Material("Copper"     , z=29., a= 63.55*g/mole, density= 8.960*g/cm3);
  new G4Material("Germanium"  , z=32., a= 72.61*g/mole, density= 5.323*g/cm3);    
  new G4Material("Silver"     , z=47., a=107.87*g/mole, density= 10.50*g/cm3);
  new G4Material("Tungsten"   , z=74., a=183.85*g/mole, density= 19.30*g/cm3);
  new G4Material("Lead"       , z=82., a=207.19*g/mole, density= 11.35*g/cm3);
  new G4Material("Uranium"    , z=92., a=238.03*g/mole, density= 18.95*g/cm3);
  

  G4cout << *(G4Material::GetMaterialTable()) << G4endl;
}

G4Material* DetectorConstruction::GetMaterial ( )

inline

Definition at line 65 of file DetectorConstruction.hh.

References aMaterial, and PrintParameters().

Referenced by RunAction::BeginOfRunAction(), RunAction::CriticalEnergy(), and RunAction::GetCuts().

{return aMaterial;};

G4double DetectorConstruction::GetSize ( )

inline

Definition at line 64 of file DetectorConstruction.hh.

References BoxSize.

Referenced by PrimaryGeneratorAction::SetDefaultKinematic().

{return BoxSize;};      

const G4VPhysicalVolume* DetectorConstruction::GetWorld ( )

inline

Definition at line 62 of file DetectorConstruction.hh.

References pBox.

{return pBox;};           

void DetectorConstruction::PrintParameters

(

)

Definition at line 173 of file DetectorConstruction.cc.

References aMaterial, and BoxSize.

Referenced by GetMaterial().

{
  G4cout << "\n The Box is " << G4BestUnit(BoxSize,"Length")
         << " of " << aMaterial->GetName() << G4endl;
}

void DetectorConstruction::SetMaterial

(

G4String

materialChoice

)

Definition at line 183 of file DetectorConstruction.cc.

References aMaterial, ConstructVolumes(), and pBox.

Referenced by BOOST_PYTHON_MODULE(), DetectorConstruction(), and DetectorMessenger::SetNewValue().

{
  // search the material by its name, or build it from nist data base
  G4Material* pttoMaterial = 
     G4NistManager::Instance()->FindOrBuildMaterial(materialChoice);

  if (pttoMaterial) {
    aMaterial = pttoMaterial;
    if (pBox) G4RunManager::GetRunManager()
                             ->DefineWorldVolume(ConstructVolumes());
  } else {
    G4cout << "\n--> warning from DetectorConstruction::SetMaterial : "
           << materialChoice << " not found" << G4endl;  
  }  
}

Member Data Documentation

G4Material* DetectorConstruction::aMaterial

private

Definition at line 74 of file DetectorConstruction.hh.

Referenced by ConstructVolumes(), GetMaterial(), PrintParameters(), and SetMaterial().

G4double DetectorConstruction::BoxSize

private

Definition at line 73 of file DetectorConstruction.hh.

Referenced by ConstructVolumes(), DetectorConstruction(), GetSize(), and PrintParameters().

DetectorMessenger* DetectorConstruction::detectorMessenger

private

Definition at line 76 of file DetectorConstruction.hh.

Referenced by DetectorConstruction(), and ~DetectorConstruction().

G4VPhysicalVolume* DetectorConstruction::pBox

private

Definition at line 71 of file DetectorConstruction.hh.

Referenced by ConstructVolumes(), GetWorld(), and SetMaterial().

---

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

• geant4.10.03.p03/environments/g4py/examples/demos/TestEm0/module/DetectorConstruction.hh
• geant4.10.03.p03/environments/g4py/examples/demos/TestEm0/module/DetectorConstruction.cc