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geant4/examples/extended/parameterisations/Par03/src/Par03PrimaryGeneratorAction.cc
T
2020-12-04 12:30:43 +01:00

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//
// ********************************************************************
// * License and Disclaimer *
// * *
// * The Geant4 software is copyright of the Copyright Holders of *
// * the Geant4 Collaboration. It is provided under the terms and *
// * conditions of the Geant4 Software License, included in the file *
// * LICENSE and available at http://cern.ch/geant4/license . These *
// * include a list of copyright holders. *
// * *
// * Neither the authors of this software system, nor their employing *
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// * work make any representation or warranty, express or implied, *
// * regarding this software system or assume any liability for its *
// * use. Please see the license in the file LICENSE and URL above *
// * for the full disclaimer and the limitation of liability. *
// * *
// * This code implementation is the result of the scientific and *
// * technical work of the GEANT4 collaboration. *
// * By using, copying, modifying or distributing the software (or *
// * any work based on the software) you agree to acknowledge its *
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// ********************************************************************
//
#include "Par03PrimaryGeneratorAction.hh"
#include "G4ParticleGun.hh"
#include "G4ParticleTable.hh"
#include "G4SystemOfUnits.hh"
Par03PrimaryGeneratorAction::Par03PrimaryGeneratorAction()
: G4VUserPrimaryGeneratorAction()
, fParticleGun(nullptr)
{
G4int n_particle = 1;
fParticleGun = new G4ParticleGun(n_particle);
// Default particle properties
G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
G4String particleName;
G4ParticleDefinition* particle =
particleTable->FindParticle(particleName = "e-");
fParticleGun->SetParticleDefinition(particle);
fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0., 0., 1.));
fParticleGun->SetParticleEnergy(10. * GeV);
fParticleGun->SetParticlePosition(G4ThreeVector(0., 0., -10. * cm));
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
Par03PrimaryGeneratorAction::~Par03PrimaryGeneratorAction() { delete fParticleGun; }
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void Par03PrimaryGeneratorAction::GeneratePrimaries(G4Event* aEvent)
{
fParticleGun->GeneratePrimaryVertex(aEvent);
}