DetectorConstruction Class Reference

#include <DetectorConstruction.hh>

Inheritance diagram for DetectorConstruction:

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

Private Attributes
G4VPhysicalVolume *	fPBox = nullptr
G4LogicalVolume *	fLBox = nullptr
G4Box *	fBox = nullptr
G4double	fBoxSize = 0.
G4Material *	fMaterial = nullptr
DetectorMessenger *	fDetectorMessenger = nullptr
G4Cache< G4GlobalMagFieldMessenger * >	fFieldMessenger = nullptr

Detailed Description

Definition at line 49 of file DetectorConstruction.hh.

Constructor & Destructor Documentation

DetectorConstruction()

DetectorConstruction::DetectorConstruction

(

)

Definition at line 58 of file DetectorConstruction.cc.

{
  fBoxSize = 10*m;
  DefineMaterials();
  SetMaterial("G4_Al");  
  fDetectorMessenger = new DetectorMessenger(this);
}

~DetectorConstruction()

DetectorConstruction::~DetectorConstruction ( )

override

Definition at line 68 of file DetectorConstruction.cc.

{ delete fDetectorMessenger;}

Member Function Documentation

Construct()

G4VPhysicalVolume * DetectorConstruction::Construct ( )

override

Definition at line 190 of file DetectorConstruction.cc.

{
  if(fPBox) { return fPBox; }
  fBox = new G4Box("Container",                         //its name
                   fBoxSize/2,fBoxSize/2,fBoxSize/2);   //its dimensions
 
  fLBox = new G4LogicalVolume(fBox,                     //its shape
                             fMaterial,                 //its material
                             fMaterial->GetName());     //its name
 
  fPBox = new G4PVPlacement(0,                          //no rotation
                           G4ThreeVector(),             //at (0,0,0)
                           fLBox,                       //its logical volume
                           fMaterial->GetName(),        //its name
                           0,                           //its mother  volume
                           false,                       //no boolean operation
                           0);                          //copy number
                           
  PrintParameters();
  
  //always return the root volume
  //
  return fPBox;
}

ConstructSDandField()

void DetectorConstruction::ConstructSDandField ( )

override

Definition at line 256 of file DetectorConstruction.cc.

{
    if ( fFieldMessenger.Get() == 0 ) {
        // Create global magnetic field messenger.
        // Uniform magnetic field is then created automatically if
        // the field value is not zero.
        G4ThreeVector fieldValue = G4ThreeVector();
        G4GlobalMagFieldMessenger* msg =
        new G4GlobalMagFieldMessenger(fieldValue);
        //msg->SetVerboseLevel(1);
        G4AutoDelete::Register(msg);
        fFieldMessenger.Put( msg );
        
    }
}

SetSize()

void DetectorConstruction::SetSize

(

G4double

value

)

Definition at line 244 of file DetectorConstruction.cc.

{
  fBoxSize = value;
  if(fBox) {
    fBox->SetXHalfLength(fBoxSize/2);
    fBox->SetYHalfLength(fBoxSize/2);
    fBox->SetZHalfLength(fBoxSize/2);
  }
}

SetMaterial()

void DetectorConstruction::SetMaterial

(

const G4String &

materialChoice

)

Definition at line 226 of file DetectorConstruction.cc.

{
  // search the material by its name
  G4Material* pttoMaterial = 
     G4NistManager::Instance()->FindOrBuildMaterial(materialChoice);
  
  if (pttoMaterial) {
    fMaterial = pttoMaterial;
    if ( fLBox ) { fLBox->SetMaterial(fMaterial); }
  } else {
    G4cout << "\n--> warning from DetectorConstruction::SetMaterial : "
           << materialChoice << " not found" << G4endl;
  }
  G4RunManager::GetRunManager()->PhysicsHasBeenModified();
}

GetWorld()

const G4VPhysicalVolume * DetectorConstruction::GetWorld ( ) const

inline

Definition at line 62 of file DetectorConstruction.hh.

{return fPBox;};

GetSize()

G4double DetectorConstruction::GetSize ( ) const

inline

Definition at line 63 of file DetectorConstruction.hh.

{return fBoxSize;};      

GetMaterial()

const G4Material * DetectorConstruction::GetMaterial ( ) const

inline

Definition at line 64 of file DetectorConstruction.hh.

{return fMaterial;};

PrintParameters()

void DetectorConstruction::PrintParameters

(

)

Definition at line 217 of file DetectorConstruction.cc.

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

DefineMaterials()

void DetectorConstruction::DefineMaterials

(

)

H2O->SetChemicalFormula("H_2O");

G4Element* O = man->FindOrBuildElement("O" , isotopes);

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

Definition at line 73 of file DetectorConstruction.cc.

{
  //
  // define Elements
  //
  G4double z,a;
  
  G4Element* H  = new G4Element("Hydrogen" ,"H" , z= 1., a=   1.01*g/mole);
  G4Element* C  = new G4Element("Hydrogen" ,"C" , z= 6., a=  12.00*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->SetChemicalFormula("H_2O");
  H2O->GetIonisation()->SetMeanExcitationEnergy(78.0*eV);
 
  density = 0.001*mg/cm3;
  G4Material* CO2 = new G4Material("CO2", density, ncomponents=2);
  CO2->AddElement(C, natoms=1);
  CO2->AddElement(O, natoms=2);
 
  G4Isotope* d = new G4Isotope("d", 1, 2, 0.0, 0);
  G4Element* D = new G4Element("Heavy-Hydrogen" ,"D", ncomponents=1);
  D->AddIsotope(d, 1.0);
  G4Material* D2 = 
    new G4Material("D2_gas", density= 0.036*mg/cm3, ncomponents=1);
  D2->AddElement(D, natoms=2);
 
  new G4Material("liquidArgon", z=18., a= 39.95*g/mole, density= 1.390*g/cm3);
 
  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("Chromium"   , z=24., a= 51.99*g/mole, density= 7.140*g/cm3);
  
  new G4Material("Germanium"  , z=32., a= 72.61*g/mole, density= 5.323*g/cm3);
  
  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("Iron"       , z=26., a= 55.85*g/mole, density= 7.870*g/cm3);
 
  new G4Material("Tungsten"   , z=74., a=183.85*g/mole, density= 19.30*g/cm3);
  
  new G4Material("Gold"       , z=79., a=196.97*g/mole, density= 19.32*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);
 
  
  G4Material* argonGas =   
  new G4Material("ArgonGas", z=18, a=39.948*g/mole, density= 1.782*mg/cm3,
                 kStateGas, 273.15*kelvin, 1*atmosphere);
                       
 G4Material* butane =
 new G4Material("Isobutane",density= 2.42*mg/cm3, ncomponents=2,
                 kStateGas,273.15*kelvin, 1*atmosphere);
 butane->AddElement(C, natoms=4);
 butane->AddElement(H, natoms=10);
 
 G4Material* ArButane =
 new G4Material("ArgonButane", density= 1.835*mg/cm3, ncomponents=2,
                 kStateGas,273.15*kelvin,1.*atmosphere);
 ArButane->AddMaterial(argonGas, fractionmass=70*perCent);
 ArButane->AddMaterial(butane ,  fractionmass=30*perCent);
 
 // example of vacuum
 //
 density = universe_mean_density;    //from PhysicalConstants.h
 new G4Material("Galactic", z=1., a=1.008*g/mole, density,
                            kStateGas,2.73*kelvin,3.e-18*pascal);
 
 // use Nist
 //
 G4NistManager* man = G4NistManager::Instance();
 
 G4bool isotopes = false;
 ///G4Element*  O = man->FindOrBuildElement("O" , isotopes); 
 G4Element* Si = man->FindOrBuildElement("Si", isotopes);
 G4Element* Lu = man->FindOrBuildElement("Lu", isotopes);  
 
 G4Material* LSO = new G4Material("Lu2SiO5", 7.4*g/cm3, 3);
 LSO->AddElement(Lu, 2);
 LSO->AddElement(Si, 1);
 LSO->AddElement(O , 5);
   
  ///G4cout << *(G4Material::GetMaterialTable()) << G4endl;
}

Member Data Documentation

fPBox

G4VPhysicalVolume* DetectorConstruction::fPBox = nullptr

private

Definition at line 71 of file DetectorConstruction.hh.

fLBox

G4LogicalVolume* DetectorConstruction::fLBox = nullptr

private

Definition at line 72 of file DetectorConstruction.hh.

fBox

G4Box* DetectorConstruction::fBox = nullptr

private

Definition at line 73 of file DetectorConstruction.hh.

fBoxSize

G4double DetectorConstruction::fBoxSize = 0.

private

Definition at line 75 of file DetectorConstruction.hh.

fMaterial

G4Material* DetectorConstruction::fMaterial = nullptr

private

Definition at line 76 of file DetectorConstruction.hh.

fDetectorMessenger

DetectorMessenger* DetectorConstruction::fDetectorMessenger = nullptr

private

Definition at line 78 of file DetectorConstruction.hh.

fFieldMessenger

G4Cache<G4GlobalMagFieldMessenger*> DetectorConstruction::fFieldMessenger = nullptr

private

Definition at line 79 of file DetectorConstruction.hh.

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

• extended/electromagnetic/TestEm1/include/DetectorConstruction.hh
• extended/electromagnetic/TestEm1/src/DetectorConstruction.cc