GB05DetectorConstruction Class Reference

#include <GB05DetectorConstruction.hh>

Inheritance diagram for GB05DetectorConstruction:

Collaboration diagram for GB05DetectorConstruction:

Public Member Functions
	GB05DetectorConstruction ()
	~GB05DetectorConstruction ()
virtual G4VPhysicalVolume *	Construct ()
virtual void	ConstructSDandField ()
Public Member Functions inherited from G4VUserDetectorConstruction
	G4VUserDetectorConstruction ()
virtual	~G4VUserDetectorConstruction ()
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

Definition at line 41 of file GB05DetectorConstruction.hh.

Constructor & Destructor Documentation

GB05DetectorConstruction::GB05DetectorConstruction

(

)

Definition at line 52 of file GB05DetectorConstruction.cc.

 : G4VUserDetectorConstruction()
{}

GB05DetectorConstruction::~GB05DetectorConstruction

(

)

Definition at line 58 of file GB05DetectorConstruction.cc.

{}

Member Function Documentation

G4VPhysicalVolume * GB05DetectorConstruction::Construct ( void  )

virtual

Implements G4VUserDetectorConstruction.

Definition at line 63 of file GB05DetectorConstruction.cc.

{
  // -- Collect a few materials from NIST database:
  auto nistManager = G4NistManager::Instance();
  G4Material*   worldMaterial = nistManager->FindOrBuildMaterial("G4_Galactic");
  G4Material* defaultMaterial = nistManager->FindOrBuildMaterial("G4_CONCRETE");


  G4VSolid* solidWorld = new G4Box("World", 10*m, 10*m, 10*m );
  
  G4LogicalVolume* logicWorld = new G4LogicalVolume(solidWorld,    // its solid
                                                    worldMaterial, // its material
                                                    "World");      // its name
  
  G4PVPlacement* physiWorld = new G4PVPlacement(0,                 // no rotation
                                                G4ThreeVector(),   // at (0,0,0)
                                                logicWorld,        // its logical volume
                                                "World",           // its name
                                                0,                 // its mother volume
                                                false,             // no boolean operation
                                                0);                // copy number
  
  // -----------------------------------
  // -- volume where biasing is applied:
  // -----------------------------------
  G4double halfXY = 5.0*m;
  G4double halfZ  = 1.0*m;
  G4VSolid* solidShield = new G4Box("shield.solid", halfXY, halfXY, halfZ );
  
  G4LogicalVolume* logicShield = new G4LogicalVolume( solidShield,       // its solid
                                                      defaultMaterial,   // its material
                                                      "shield.logical"); // its name

  new G4PVPlacement(0,                                      // no rotation
                    G4ThreeVector(0,0, halfZ),              // volume entrance at (0,0,0)
                    logicShield,                            // its logical volume
                    "shield.phys",                          // its name
                    logicWorld,                             // its mother  volume
                    false,                                  // no boolean operation
                    0);                                     // copy number
  
  // --------------------------------------------------------------------
  // -- dummy volume to print information on particle exiting the shield:
  // --------------------------------------------------------------------
  G4double halfz = 1*cm;
  G4VSolid*        solidMeasurement = new G4Box("meas.solid", halfXY, halfXY, halfz );
  
  G4LogicalVolume* logicMeasurement = new G4LogicalVolume(solidMeasurement,// its solid
                                                          worldMaterial,   // its material
                                                          "meas.logical"); // its name
  
  new G4PVPlacement(0,                                      // no rotation
                    G4ThreeVector(0,0, 2*halfZ + halfz),    // volume entrance at (0,0,0)
                    logicMeasurement,                       // its logical volume
                    "meas.phys",                            // its name
                    logicWorld,                             // its mother  volume
                    false,                                  // no boolean operation
                    0);                                     // copy number
  
  
  return physiWorld;
}

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void GB05DetectorConstruction::ConstructSDandField ( )

virtual

Reimplemented from G4VUserDetectorConstruction.

Definition at line 127 of file GB05DetectorConstruction.cc.

{
  // -- Fetch volume for biasing:
  G4LogicalVolume* logicShield =
    G4LogicalVolumeStore::GetInstance()->GetVolume("shield.logical");
  
  // -------------------------------------------------------------
  // -- operator creation, configuration and attachment to volume:
  // -------------------------------------------------------------
  GB05BOptrSplitAndKillByCrossSection* biasingOperator = 
    new GB05BOptrSplitAndKillByCrossSection("neutron");
  // -- Now, we declare to our biasing operator all the processes we
  // -- their disapperance effect on neutrons to be counterbalanced
  // -- by the splitting by cross-section :
  biasingOperator->AddProcessToEquipoise("Decay");
  biasingOperator->AddProcessToEquipoise("nCapture");
  biasingOperator->AddProcessToEquipoise("neutronInelastic");

  biasingOperator->AttachTo(logicShield);
  
  G4cout << " Attaching biasing operator " << biasingOperator->GetName()
         << " to logical volume " << biasingOperator->GetName()
         << G4endl;

  // ------------------------------------------------------------------------------------
  // -- Attach a sensitive detector to print information on particles exiting the shield:
  // ------------------------------------------------------------------------------------
  // -- create and register sensitive detector code module:
  G4SDManager* SDman = G4SDManager::GetSDMpointer();
  G4VSensitiveDetector* sd = new GB05SD("Scorer");
  SDman->AddNewDetector(sd);
  // -- Fetch volume for sensitivity and attach sensitive module to it:
  G4LogicalVolume* logicSD =
    G4LogicalVolumeStore::GetInstance()->GetVolume("meas.logical");
  logicSD->SetSensitiveDetector(sd);
  
}

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---

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

• source/geant4.10.03.p03/examples/extended/biasing/GB05/include/GB05DetectorConstruction.hh
• source/geant4.10.03.p03/examples/extended/biasing/GB05/src/GB05DetectorConstruction.cc