Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/examples/extended/medical/dna/microyz/src/PrimaryGeneratorAction.cc

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  1 //
  2 // ********************************************************************
  3 // * License and Disclaimer                                           *
  4 // *                                                                  *
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  9 // * include a list of copyright holders.                             *
 10 // *                                                                  *
 11 // * Neither the authors of this software system, nor their employing *
 12 // * institutes,nor the agencies providing financial support for this *
 13 // * work  make  any representation or  warranty, express or implied, *
 14 // * regarding  this  software system or assume any liability for its *
 15 // * use.  Please see the license in the file  LICENSE  and URL above *
 16 // * for the full disclaimer and the limitation of liability.         *
 17 // *                                                                  *
 18 // * This  code  implementation is the result of  the  scientific and *
 19 // * technical work of the GEANT4 collaboration.                      *
 20 // * By using,  copying,  modifying or  distributing the software (or *
 21 // * any work based  on the software)  you  agree  to acknowledge its *
 22 // * use  in  resulting  scientific  publications,  and indicate your *
 23 // * acceptance of all terms of the Geant4 Software license.          *
 24 // ********************************************************************
 25 //
 26 // This example is provided by the Geant4-DNA collaboration
 27 // Any report or published results obtained using the Geant4-DNA software
 28 // shall cite the following Geant4-DNA collaboration publications:
 29 // Med. Phys. 45 (2018) e722-e739
 30 // Phys. Med. 31 (2015) 861-874
 31 // Med. Phys. 37 (2010) 4692-4708
 32 // Int. J. Model. Simul. Sci. Comput. 1 (2010) 157–178
 33 // The Geant4-DNA web site is available at http://geant4-dna.org
 34 //
 35 /// \file PrimaryGeneratorAction.cc
 36 /// \brief Implementation of the PrimaryGeneratorAction class
 37 
 38 #include "PrimaryGeneratorAction.hh"
 39 
 40 #include "G4ParticleGun.hh"
 41 #include "G4ParticleTable.hh"
 42 #include "G4RandomDirection.hh"
 43 #include "G4SystemOfUnits.hh"
 44 
 45 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 46 
 47 PrimaryGeneratorAction::PrimaryGeneratorAction() : G4VUserPrimaryGeneratorAction()
 48 {
 49   G4int nofParticles = 1;
 50   fParticleGun = std::make_unique<G4ParticleGun>(nofParticles);
 51 
 52   G4ParticleDefinition* particleDefinition =
 53     G4ParticleTable::GetParticleTable()->FindParticle("e-");
 54 
 55   fParticleGun->SetParticleDefinition(particleDefinition);
 56   fParticleGun->SetParticleMomentumDirection(G4RandomDirection());
 57   fParticleGun->SetParticleEnergy(1 * keV);
 58 }
 59 
 60 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 61 
 62 PrimaryGeneratorAction::~PrimaryGeneratorAction() = default;
 63 
 64 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 65 
 66 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
 67 {
 68   fParticleGun->SetParticlePosition(G4ThreeVector(0., 0., 0.));
 69 
 70   fParticleGun->SetParticleMomentumDirection(G4RandomDirection());
 71 
 72   fParticleGun->GeneratePrimaryVertex(anEvent);
 73 }
 74 
 75 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 76