examples/extended/medical/dna/splitting/src/PrimaryGeneratorAction.cc

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// $Id$
//

#include "PrimaryGeneratorAction.hh"
#include "G4SystemOfUnits.hh"

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PrimaryGeneratorAction::PrimaryGeneratorAction():
G4VUserPrimaryGeneratorAction()
{
    G4int n_particle = 1;
    fpParticleGun  = new G4ParticleGun(n_particle);

    // default gun parameters
    fpParticleGun->SetParticleEnergy(500.*keV);
    fpParticleGun->SetParticleMomentumDirection(G4ThreeVector(0.,0.,1.));
    fpParticleGun->SetParticlePosition(G4ThreeVector(0.,0.,0));
}

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PrimaryGeneratorAction::~PrimaryGeneratorAction()
{
    delete fpParticleGun;
}

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void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
{
    fpParticleGun->GeneratePrimaryVertex(anEvent);
}