examples/extended/hadronic/Hadr00/src/PrimaryGeneratorAction.cc

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/// \file hadronic/Hadr00/src/PrimaryGeneratorAction.cc
/// \brief Implementation of the PrimaryGeneratorAction class
//
// $Id: PrimaryGeneratorAction.cc 70760 2013-06-05 12:28:00Z gcosmo $
//
/////////////////////////////////////////////////////////////////////////
//
// PrimaryGeneratorAction
//
// Created: 20.06.2008 V.Ivanchenko
//
// Modified:
//
////////////////////////////////////////////////////////////////////////
//

#include "PrimaryGeneratorAction.hh"
#include "G4ParticleGun.hh"
#include "G4Proton.hh"
#include "G4SystemOfUnits.hh"

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PrimaryGeneratorAction::PrimaryGeneratorAction()
 : G4VUserPrimaryGeneratorAction(), fParticleGun(0)
{
  fParticleGun  = new G4ParticleGun(1);
  fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0.,0.,1.));
  fParticleGun->SetParticlePosition(G4ThreeVector(0.,0.,0.));
  fParticleGun->SetParticleEnergy(1.*GeV);
  fParticleGun->SetParticleDefinition(G4Proton::Proton());
}

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

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

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