FFPrimaryGeneratorAction Class Reference

#include <FFPrimaryGeneratorAction.hh>

Inheritance diagram for FFPrimaryGeneratorAction:

Collaboration diagram for FFPrimaryGeneratorAction:

Public Member Functions
	FFPrimaryGeneratorAction ()
virtual void	GeneratePrimaries (G4Event *event)
virtual	~FFPrimaryGeneratorAction ()
Public Member Functions inherited from G4VUserPrimaryGeneratorAction
	G4VUserPrimaryGeneratorAction ()
virtual	~G4VUserPrimaryGeneratorAction ()

Detailed Description

Definition at line 55 of file FFPrimaryGeneratorAction.hh.

Constructor & Destructor Documentation

FFPrimaryGeneratorAction::FFPrimaryGeneratorAction

(

)

Definition at line 67 of file FFPrimaryGeneratorAction.cc.

:   G4VUserPrimaryGeneratorAction(),
#ifndef NDEBUG
    fEventNumber(0),
#endif // NDEBUG
    fH2OPhysical(NULL),
    fNeutronPhysical(NULL),
    fNeutronSolid(NULL),
    fParticleGun(new G4ParticleGun(1)),
    fTankPhysical(NULL)
{
    fParticleGun->SetParticleDefinition(G4Neutron::Definition());
    fParticleGun->SetParticleEnergy(4.5 * MeV);
}

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FFPrimaryGeneratorAction::~FFPrimaryGeneratorAction ( )

virtual

Definition at line 199 of file FFPrimaryGeneratorAction.cc.

{
    delete fParticleGun;
}

Member Function Documentation

void FFPrimaryGeneratorAction::GeneratePrimaries ( G4Event *  event )

virtual

Implements G4VUserPrimaryGeneratorAction.

Definition at line 84 of file FFPrimaryGeneratorAction.cc.

{
#ifndef NDEBUG
    G4cout << "Shooting event " << ++fEventNumber << G4endl;
#endif // NDEBUG
    const G4ThreeVector sourceCenter = GetNeutronSourceCenter();
    
    // Sample the neutron source location
    const G4double radius = fNeutronSolid->GetOuterRadius();
    const G4double z = fNeutronSolid->GetZHalfLength() * 2;
    G4ThreeVector randomLocation;
    randomLocation.setRThetaPhi(radius * std::sqrt(G4UniformRand()),
                                G4UniformRand() * 180 * deg,
                                0);
    randomLocation.setZ(z * (G4UniformRand() - 0.5));
    G4ThreeVector location(randomLocation.x() + sourceCenter.x(),
                           randomLocation.y() + sourceCenter.y(),
                           randomLocation.z() + sourceCenter.z());
#ifndef NDEBUG
    G4cout << "Emission Location: r: " << location << G4endl;
#endif // NDEBUG
    
    // Sample the neutron emission direction
    G4ThreeVector direction;
    direction.setRThetaPhi(1.0,
                           std::acos(G4UniformRand() * 2 - 1),
                           (G4UniformRand() * 2 - 1) * 180 * deg);
#ifndef NDEBUG
    G4cout << "Emission Direction: r: " << direction << G4endl;
#endif // NDEBUG
    
    // Load the event
    fParticleGun->SetParticlePosition(location);
    fParticleGun->SetParticleMomentumDirection(direction);
    fParticleGun->GeneratePrimaryVertex(event);
}

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

• source/geant4.10.03.p02/examples/extended/hadronic/FissionFragment/include/FFPrimaryGeneratorAction.hh
• source/geant4.10.03.p02/examples/extended/hadronic/FissionFragment/src/FFPrimaryGeneratorAction.cc