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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/include/GunPrimaryGeneratorAction.hh 28 /// \brief Definition of the Common::GunPrimaryGeneratorAction class 29 30 #ifndef GunPrimaryGeneratorAction_h 31 #define GunPrimaryGeneratorAction_h 1 32 33 #include "CLHEP/Units/SystemOfUnits.h" 34 35 #include "G4ThreeVector.hh" 36 #include "G4VUserPrimaryGeneratorAction.hh" 37 #include "globals.hh" 38 39 class G4ParticleGun; 40 class G4Event; 41 42 namespace Common 43 { 44 45 /// \brief The primary generator class with particle gun 46 /// 47 /// \author I. Hrivnacova; IPN Orsay 48 49 class GunPrimaryGeneratorAction : public G4VUserPrimaryGeneratorAction 50 { 51 public: 52 GunPrimaryGeneratorAction(const G4String& particleName = "geantino", 53 G4double energy = 1. * CLHEP::MeV, 54 G4ThreeVector position = G4ThreeVector(0, 0, 0), 55 G4ThreeVector momentumDirection = G4ThreeVector(0, 0, 1)); 56 ~GunPrimaryGeneratorAction() override; 57 58 // methods 59 void GeneratePrimaries(G4Event*) override; 60 61 private: 62 // data members 63 G4ParticleGun* fParticleGun = nullptr; 64 }; 65 66 } // namespace Common 67 68 #endif 69