examples/advanced/microelectronics/src/PrimaryGeneratorAction.cc

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// -------------------------------------------------------------------
// $Id: PrimaryGeneratorAction.cc,v 1.1 2012-09-21 mraine Exp $
// -------------------------------------------------------------------

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

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

  // default gun parameters
  fParticleGun->SetParticleEnergy(10.*keV);
  fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0.,0.,1.));
  fParticleGun->SetParticlePosition(G4ThreeVector(0.,0.,-0.4*um));
}

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

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