Par04/src/Par04PrimaryGeneratorAction.cc

0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
0004 // *                                                                  *
0005 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
0006 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
0007 // * conditions of the Geant4 Software License,  included in the file *
0008 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
0009 // * include a list of copyright holders.                             *
0010 // *                                                                  *
0011 // * Neither the authors of this software system, nor their employing *
0012 // * institutes,nor the agencies providing financial support for this *
0013 // * work  make  any representation or  warranty, express or implied, *
0014 // * regarding  this  software system or assume any liability for its *
0015 // * use.  Please see the license in the file  LICENSE  and URL above *
0016 // * for the full disclaimer and the limitation of liability.         *
0017 // *                                                                  *
0018 // * This  code  implementation is the result of  the  scientific and *
0019 // * technical work of the GEANT4 collaboration.                      *
0020 // * By using,  copying,  modifying or  distributing the software (or *
0021 // * any work based  on the software)  you  agree  to acknowledge its *
0022 // * use  in  resulting  scientific  publications,  and indicate your *
0023 // * acceptance of all terms of the Geant4 Software license.          *
0024 // ********************************************************************
0025 //
0026 #include "Par04PrimaryGeneratorAction.hh"
0027
0028 #include "Par04EventInformation.hh"  // for Par04EventInformation
0029
0030 #include "G4Event.hh"  // for G4Event
0031 #include "G4ParticleGun.hh"  // for G4ParticleGun
0032 #include "G4ParticleTable.hh"  // for G4ParticleTable
0033 #include "G4SystemOfUnits.hh"  // for GeV
0034
0035 #include <CLHEP/Units/SystemOfUnits.h>  // for GeV
0036 #include <G4String.hh>  // for G4String
0037 #include <G4ThreeVector.hh>  // for G4ThreeVector
0038 #include <G4Types.hh>  // for G4int
0039 #include <G4VUserPrimaryGeneratorAction.hh>  // for G4VUserPrimaryGeneratorA...
0040 #include <string>  // for basic_string
0041 class G4ParticleDefinition;
0042
0043 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0044
0045 Par04PrimaryGeneratorAction::Par04PrimaryGeneratorAction() : G4VUserPrimaryGeneratorAction()
0046 {
0047   G4int n_particle = 1;
0048   fParticleGun = new G4ParticleGun(n_particle);
0049   // Default particle properties
0050   G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
0051   G4String particleName;
0052   G4ParticleDefinition* particle = particleTable->FindParticle(particleName = "e-");
0053   fParticleGun->SetParticleDefinition(particle);
0054   fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0., 1., 0.));
0055   fParticleGun->SetParticleEnergy(10. * GeV);
0056   fParticleGun->SetParticlePosition(G4ThreeVector(0., 0., 0.));
0057 }
0058
0059 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0060
0061 Par04PrimaryGeneratorAction::~Par04PrimaryGeneratorAction()
0062 {
0063   delete fParticleGun;
0064 }
0065
0066 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0067
0068 void Par04PrimaryGeneratorAction::GeneratePrimaries(G4Event* aEvent)
0069 {
0070   fParticleGun->GeneratePrimaryVertex(aEvent);
0071   aEvent->SetUserInformation(new Par04EventInformation());
0072 }