include/Geant4/G4RayShooter.hh

0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
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0006 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
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0024 // ********************************************************************
0025 //
0026 // G4RayShooter
0027 //
0028 // Class description:
0029 //
0030 // The object of this class shoots a ray (actually geantino) primary particle
0031 // associated with a G4Event object. This slass must be used exclusively by
0032 // G4RayTracer.
0033
0034 // Author: Makoto Asai, 2000
0035 // --------------------------------------------------------------------
0036 #ifndef G4RayShooter_hh
0037 #define G4RayShooter_hh 1
0038
0039 #include "globals.hh"
0040 #include "G4ThreeVector.hh"
0041 #include "G4ParticleDefinition.hh"
0042 #include "G4PrimaryVertex.hh"
0043 #include "G4ParticleMomentum.hh"
0044
0045 class G4Event;
0046
0047 class G4RayShooter
0048 {
0049   public:
0050
0051     G4RayShooter() = default;
0052     virtual ~G4RayShooter() = default;
0053
0054     void Shoot(G4Event* evt, G4ThreeVector vtx, G4ThreeVector direc);
0055       // Generates a primary vertex and a primary particle at the given
0056       // vertex point and with the given direction. This method is invoked
0057       // by G4RayTracer and G4MaterialScanner.
0058
0059   private:
0060     G4ParticleDefinition* particle_definition = nullptr;
0061     G4ParticleMomentum    particle_momentum_direction;
0062     G4double              particle_energy = 1.0*CLHEP::GeV;
0063     G4ThreeVector         particle_position;
0064     G4double              particle_time = 0.0;
0065     G4ThreeVector         particle_polarization;
0066 };
0067
0068 #endif