Geant4 Cross Reference

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Geant4/examples/extended/geometry/vecGeomNavigation/include/VG01PrimaryGeneratorAction.hh

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 26 //
 27 /// \file VG01PrimaryGeneratorAction.hh
 28 /// \brief Definition of the VG01PrimaryGeneratorAction class
 29 
 30 //  Generator with multiple modes: uniform, free, axis, fixed)
 31 //
 32 //  Primary generator that can be configured using modes to either:
 33 //    - 'uniform' direction secondaries       (default)
 34 //    - 'free'    which is configured by UI - initialised in con/tor
 35 //    - 'axis'    directing secondaries by rotation to x, y & z axis
 36 //    - 'fixed'   along x axis, and near it ( y = 0.1 or z = 0.1)
 37 //
 38 //  Authors: J. Apostolakis & S. Wenzel (CERN)  2018-2021
 39 //
 40 //  Started from FullCMS code by Mihaly Novak (CERN) 2017
 41 
 42 #ifndef _G01PRIMARYGENERATORACTION_H_
 43 #define _G01PRIMARYGENERATORACTION_H_
 44 
 45 #include "G4VUserPrimaryGeneratorAction.hh"
 46 #include "globals.hh"
 47 
 48 class G4Event;
 49 class G4ParticleGun;
 50 
 51 /// Configurable primary generator action to demonstrate use of
 52 ///   VecGeom Navigation
 53 
 54 class VG01PrimaryGeneratorAction : public G4VUserPrimaryGeneratorAction
 55 {
 56   public:
 57     enum EGeneratorMode
 58     {
 59       kFixedMode,
 60       kUniformMode,
 61       kAxisMode,
 62       kFreeMode
 63     };
 64     //                     x Axis       random dir    x, y, z     UI directed
 65 
 66     VG01PrimaryGeneratorAction(EGeneratorMode mode = kUniformMode);
 67     ~VG01PrimaryGeneratorAction();
 68 
 69     void GeneratePrimaries(G4Event* anEvent) override;
 70 
 71     void SetGeneratorMode(EGeneratorMode val) { fMode = val; }
 72     EGeneratorMode GetGeneratorMode() { return fMode; }
 73 
 74   private:
 75     G4ParticleGun* fParticleGun;
 76     EGeneratorMode fMode;
 77 };
 78 
 79 #endif
 80