ExG4DetectorConstruction02 Class Reference

Simple detector construction with a box volume placed in a world. More...

#include <ExG4DetectorConstruction02.hh>

Inheritance diagram for ExG4DetectorConstruction02:

Public Member Functions
	ExG4DetectorConstruction02 (const G4String &boxMaterialName="G4_AIR", G4double boxHx=40 *CLHEP::cm, G4double boxHy=40 *CLHEP::cm, G4double boxHz=40 *CLHEP::cm, const G4String &worldMaterialName="G4_AIR", G4double worldSizeFactor=1.25)
	~ExG4DetectorConstruction02 ()
virtual G4VPhysicalVolume *	Construct ()
void	SetBoxMaterial (const G4String &materialName)
void	SetWorldMaterial (const G4String &materialName)
void	SetBoxDimensions (G4double hx, G4double hy, G4double hz)
void	SetWorldSizeFactor (G4double factor)
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 a box volume placed in a world.

Definition at line 48 of file ExG4DetectorConstruction02.hh.

Constructor & Destructor Documentation

ExG4DetectorConstruction02::ExG4DetectorConstruction02	(	const G4String &	boxMaterialName = "G4_AIR",
		G4double	boxHx = 40*CLHEP::cm,
		G4double	boxHy = 40*CLHEP::cm,
		G4double	boxHz = 40*CLHEP::cm,
		const G4String &	worldMaterialName = "G4_AIR",
		G4double	worldSizeFactor = 1.25
	)

Definition at line 43 of file ExG4DetectorConstruction02.cc.

 : G4VUserDetectorConstruction(),
   fMessenger(this),
   fBoxMaterialName(boxMaterialName),
   fWorldMaterialName(worldMaterialName),
   fBoxDimensions(boxHx*2, boxHy*2, boxHz*2),
   fWorldSizeFactor(worldSizeFactor),
   fBoxVolume(0),
   fWorldVolume(0)
{
}

ExG4DetectorConstruction02::~ExG4DetectorConstruction02

(

)

Definition at line 61 of file ExG4DetectorConstruction02.cc.

{ 
}

Member Function Documentation

G4VPhysicalVolume * ExG4DetectorConstruction02::Construct ( void  )

virtual

Implements G4VUserDetectorConstruction.

Definition at line 67 of file ExG4DetectorConstruction02.cc.

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

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

  G4Material* worldMaterial
    = nistManager->FindOrBuildMaterial(fWorldMaterialName);

  G4Material* boxMaterial
    = nistManager->FindOrBuildMaterial(fBoxMaterialName);
 
  // Geometry parameters
  //
  G4ThreeVector worldDimensions = fBoxDimensions * fWorldSizeFactor;
  
  
  // World
  //
  G4Box* sWorld 
    = new G4Box("World",                        //name
                 worldDimensions.x(),           //dimensions (half-lentghs)
                 worldDimensions.y(), 
                 worldDimensions.z());

  fWorldVolume 
    = new G4LogicalVolume(sWorld,               //shape
                          worldMaterial,        //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
                                                
  // Box
  //                           
  G4Box* sBox 
    = new G4Box("Box",                          //its name
                 fBoxDimensions.x(),            //dimensions (half-lengths)
                 fBoxDimensions.y(), 
                 fBoxDimensions.z());
                   
  fBoxVolume 
    = new G4LogicalVolume(sBox,                 //its shape
                          boxMaterial,          //its material
                          "Box");               //its name

  new G4PVPlacement(0,                          //no rotation
                    G4ThreeVector(),            //at (0,0,0)
                    fBoxVolume,                 //its logical volume                           
                    "Box",                      //its name
                    fWorldVolume,               //its mother  volume
                    false,                      //no boolean operation
                    0);                         //copy number

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

void ExG4DetectorConstruction02::SetBoxDimensions	(	G4double	hx,
		G4double	hy,
		G4double	hz
	)

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

Definition at line 172 of file ExG4DetectorConstruction02.cc.

Referenced by ExG4DetectorConstruction02Messenger::SetNewValue().

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

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

void ExG4DetectorConstruction02::SetBoxMaterial

(

const G4String &

materialName

)

Definition at line 134 of file ExG4DetectorConstruction02.cc.

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

Referenced by ExG4DetectorConstruction02Messenger::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 ( fBoxVolume ) fBoxVolume->SetMaterial(newMaterial);
  G4cout << "Material of box changed to " << materialName << G4endl;
}

void ExG4DetectorConstruction02::SetWorldMaterial

(

const G4String &

materialName

)

Definition at line 153 of file ExG4DetectorConstruction02.cc.

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

Referenced by ExG4DetectorConstruction02Messenger::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;
}

void ExG4DetectorConstruction02::SetWorldSizeFactor

(

G4double

factor

)

Set the multiplication factor from box dimensions to world dimensions. This setting has effect only if called in PreInit> phase

Definition at line 183 of file ExG4DetectorConstruction02.cc.

Referenced by ExG4DetectorConstruction02Messenger::SetNewValue().

{
/// Set the multiplication factor from box dimensions to world dimensions.
/// This setting has effect only if called in PreInit> phase

  fWorldSizeFactor = factor;
}  

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

• ExG4DetectorConstruction02.hh
• ExG4DetectorConstruction02.cc