ExG4DetectorConstruction01 Class Reference

Simple detector construction with only a world volume. More...

#include <ExG4DetectorConstruction01.hh>

Inheritance diagram for ExG4DetectorConstruction01:

Public Member Functions
	ExG4DetectorConstruction01 (const G4String &materialName="G4_AIR", G4double hx=50 *CLHEP::cm, G4double hy=50 *CLHEP::cm, G4double hz=50 *CLHEP::cm)
	~ExG4DetectorConstruction01 ()
virtual G4VPhysicalVolume *	Construct ()
void	SetMaterial (const G4String &materialName)
void	SetDimensions (G4double hx, G4double hy, G4double hz)
Public Member Functions inherited from G4VUserDetectorConstruction
	G4VUserDetectorConstruction ()
virtual	~G4VUserDetectorConstruction ()
virtual void	ConstructSDandField ()
virtual void	CloneSD ()
virtual void	CloneF ()
void	RegisterParallelWorld (G4VUserParallelWorld *)
G4int	ConstructParallelGeometries ()
void	ConstructParallelSD ()
G4int	GetNumberOfParallelWorld () const
G4VUserParallelWorld *	GetParallelWorld (G4int i) const

Additional Inherited Members
Protected Member Functions inherited from G4VUserDetectorConstruction
void	SetSensitiveDetector (const G4String &logVolName, G4VSensitiveDetector *aSD, G4bool multi=false)
void	SetSensitiveDetector (G4LogicalVolume *logVol, G4VSensitiveDetector *aSD)

Detailed Description

Simple detector construction with only a world volume.

Definition at line 48 of file ExG4DetectorConstruction01.hh.

Constructor & Destructor Documentation

ExG4DetectorConstruction01::ExG4DetectorConstruction01	(	const G4String &	materialName = "G4_AIR",
		G4double	hx = 50*CLHEP::cm,
		G4double	hy = 50*CLHEP::cm,
		G4double	hz = 50*CLHEP::cm
	)

Definition at line 43 of file ExG4DetectorConstruction01.cc.

 : G4VUserDetectorConstruction(),
   fMessenger(this),
   fMaterialName(materialName),
   fDimensions(hx, hy, hz),
   fWorldVolume(0)
{
}

ExG4DetectorConstruction01::~ExG4DetectorConstruction01

(

)

Definition at line 56 of file ExG4DetectorConstruction01.cc.

{ 
}

Member Function Documentation

G4VPhysicalVolume * ExG4DetectorConstruction01::Construct ( void  )

virtual

Implements G4VUserDetectorConstruction.

Definition at line 62 of file ExG4DetectorConstruction01.cc.

References G4NistManager::FindOrBuildMaterial(), G4NistManager::Instance(), eplot::material, CLHEP::Hep3Vector::x(), CLHEP::Hep3Vector::y(), and CLHEP::Hep3Vector::z().

{
  // Define materials via NIST manager
  //
  G4NistManager* nistManager = G4NistManager::Instance();

  G4Material* material
    = nistManager->FindOrBuildMaterial(fMaterialName);
 
  // World
  //
  G4Box* sWorld 
    = new G4Box("World",                        //name
                 fDimensions.x(),               //dimensions (half-lentghs)
                 fDimensions.y(), 
                 fDimensions.z());

  fWorldVolume 
    = new G4LogicalVolume(sWorld,               //shape
                          material,             //material
                          "World");             //name

  G4VPhysicalVolume* pWorld 
    = new G4PVPlacement(0,                      //no rotation
                        G4ThreeVector(),        //at (0,0,0)
                        fWorldVolume,           //logical volume
                        "World",                //name
                        0,                      //mother  volume
                        false,                  //no boolean operation
                        0);                     //copy number

  //always return the root volume
  //
  return pWorld;
}

void ExG4DetectorConstruction01::SetDimensions	(	G4double	hx,
		G4double	hy,
		G4double	hz
	)

Set world dimension (in half lengths). This setting has effect only if called in PreInit> phase

Definition at line 119 of file ExG4DetectorConstruction01.cc.

Referenced by ExG4DetectorConstruction01Messenger::SetNewValue().

{
/// Set world dimension (in half lengths).
/// This setting has effect only if called in PreInit> phase

  fDimensions = G4ThreeVector(hx, hy, hz);
}  

void ExG4DetectorConstruction01::SetMaterial

(

const G4String &

materialName

)

Definition at line 100 of file ExG4DetectorConstruction01.cc.

References G4NistManager::FindOrBuildMaterial(), G4cerr, G4cout, G4endl, G4NistManager::Instance(), and G4LogicalVolume::SetMaterial().

Referenced by ExG4DetectorConstruction01Messenger::SetNewValue().

{
  G4NistManager* nistManager = G4NistManager::Instance();

  G4Material* newMaterial
    = nistManager->FindOrBuildMaterial(materialName);

  if ( ! newMaterial ) {
    G4cerr << "Material " << materialName << " not found." << G4endl;
    G4cerr << "The box material was not changed." << G4endl;
    return;
  }  
   
  if ( fWorldVolume ) fWorldVolume->SetMaterial(newMaterial);
  G4cout << "Material of box changed to " << materialName << G4endl;
}

---

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

• ExG4DetectorConstruction01.hh
• ExG4DetectorConstruction01.cc