examples/extended/parallel/MPI/examples/exMPI01/src/PrimaryGeneratorAction.cc

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// $Id: PrimaryGeneratorAction.cc 98250 2016-07-04 17:27:47Z gcosmo $
//

#include "G4ParticleDefinition.hh"
#include "G4ParticleGun.hh"
#include "G4ParticleTable.hh"
#include "G4SystemOfUnits.hh"
#include "PrimaryGeneratorAction.hh"

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
PrimaryGeneratorAction::PrimaryGeneratorAction()
{
  fparticleGun = new G4ParticleGun;

  G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
  G4ParticleDefinition* particle = particleTable-> FindParticle("e-");

  fparticleGun-> SetParticleDefinition(particle);
  fparticleGun-> SetParticleMomentumDirection(G4ThreeVector(0.,0.,1.));
  fparticleGun->SetParticlePosition(G4ThreeVector(0.,0.,-14.9*cm));
  fparticleGun-> SetParticleEnergy(200.*MeV);
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
PrimaryGeneratorAction::~PrimaryGeneratorAction()
{
  delete fparticleGun;
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
{
  fparticleGun-> GeneratePrimaryVertex(anEvent);
}