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1 // 2 // ******************************************************************** 3 // * License and Disclaimer * 4 // * * 5 // * The Geant4 software is copyright of the Copyright Holders of * 6 // * the Geant4 Collaboration. It is provided under the terms and * 7 // * conditions of the Geant4 Software License, included in the file * 8 // * LICENSE and available at http://cern.ch/geant4/license . These * 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 // 27 /// \file common/src/GunPrimaryGeneratorAction.cc 28 /// \brief Implementation of the Common::GunPrimaryGeneratorAction class 29 30 #include "GunPrimaryGeneratorAction.hh" 31 32 #include "G4Event.hh" 33 #include "G4ParticleDefinition.hh" 34 #include "G4ParticleGun.hh" 35 #include "G4ParticleTable.hh" 36 37 namespace Common 38 { 39 40 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 41 42 GunPrimaryGeneratorAction::GunPrimaryGeneratorAction(const G4String& particleName, G4double energy, 43 G4ThreeVector position, 44 G4ThreeVector momentumDirection) 45 { 46 G4int nofParticles = 1; 47 fParticleGun = new G4ParticleGun(nofParticles); 48 49 // default particle kinematic 50 G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable(); 51 G4ParticleDefinition* particle = particleTable->FindParticle(particleName); 52 fParticleGun->SetParticleDefinition(particle); 53 fParticleGun->SetParticleEnergy(energy); 54 fParticleGun->SetParticlePosition(position); 55 fParticleGun->SetParticleMomentumDirection(momentumDirection); 56 } 57 58 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 59 60 GunPrimaryGeneratorAction::~GunPrimaryGeneratorAction() 61 { 62 delete fParticleGun; 63 } 64 65 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 66 67 void GunPrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent) 68 { 69 // this function is called at the begining of event 70 71 fParticleGun->GeneratePrimaryVertex(anEvent); 72 } 73 74 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 75 76 } // namespace Common 77