00001 // 00002 // ******************************************************************** 00003 // * License and Disclaimer * 00004 // * * 00005 // * The Geant4 software is copyright of the Copyright Holders of * 00006 // * the Geant4 Collaboration. It is provided under the terms and * 00007 // * conditions of the Geant4 Software License, included in the file * 00008 // * LICENSE and available at http://cern.ch/geant4/license . These * 00009 // * include a list of copyright holders. * 00010 // * * 00011 // * Neither the authors of this software system, nor their employing * 00012 // * institutes,nor the agencies providing financial support for this * 00013 // * work make any representation or warranty, express or implied, * 00014 // * regarding this software system or assume any liability for its * 00015 // * use. Please see the license in the file LICENSE and URL above * 00016 // * for the full disclaimer and the limitation of liability. * 00017 // * * 00018 // * This code implementation is the result of the scientific and * 00019 // * technical work of the GEANT4 collaboration. * 00020 // * By using, copying, modifying or distributing the software (or * 00021 // * any work based on the software) you agree to acknowledge its * 00022 // * use in resulting scientific publications, and indicate your * 00023 // * acceptance of all terms of the Geant4 Software license. * 00024 // ******************************************************************** 00025 // 00026 // 00027 // $Id$ 00028 // 00029 00030 // class description: 00031 // 00032 // the object of this class shoots a ray (actually geantino) primary particle 00033 // associated with a G4Event object. This slass must be used exclusively by 00034 // G4RayTracer. 00035 // 00036 00037 #ifndef G4RayShooter_h 00038 #define G4RayShooter_h 1 00039 00040 00041 #include "globals.hh" 00042 #include "G4ThreeVector.hh" 00043 #include "G4ParticleDefinition.hh" 00044 #include "G4PrimaryVertex.hh" 00045 #include "G4ParticleMomentum.hh" 00046 00047 class G4Event; 00048 00049 class G4RayShooter 00050 { 00051 public: 00052 G4RayShooter(); 00053 public: 00054 virtual ~G4RayShooter(); 00055 00056 public: // with description 00057 void Shoot(G4Event* evt,G4ThreeVector vtx,G4ThreeVector direc); 00058 // This method generates a primary vertex and a primary particle at the 00059 // given vertex point and with the given direction. This method is invoked 00060 // by G4RayTracer and G4MaterialScanner. 00061 00062 private: 00063 void SetInitialValues(); 00064 00065 G4ParticleDefinition* particle_definition; 00066 G4ParticleMomentum particle_momentum_direction; 00067 G4double particle_energy; 00068 G4ThreeVector particle_position; 00069 G4double particle_time; 00070 G4ThreeVector particle_polarization; 00071 }; 00072 00073 #endif 00074 00075 00076 00077 00078 00079 00080