MultiParticleGunPrimaryGenerator.h

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#ifndef SIMCORE_MULTIPARTICLEGUNPRIMARYGENERATOR_H_
#define SIMCORE_MULTIPARTICLEGUNPRIMARYGENERATOR_H_
 
//----------------//
//   C++ StdLib   //
//----------------//
#include <string>
 
//------------//
//   Geant4   //
//------------//
#include "G4Event.hh"
#include "G4PhysicalConstants.hh"
#include "G4SystemOfUnits.hh"
#include "G4VPrimaryGenerator.hh"
 
//----------//
//   ROOT   //
//----------//
#include "TRandom.h"
 
//-------------//
//   LDMX-SW   //
//-------------//
#include "SimCore/Generators/PrimaryGenerator.h"
 
namespace simcore {
namespace generators {
 
class MultiParticleGunPrimaryGenerator : public simcore::PrimaryGenerator {
 public:
  MultiParticleGunPrimaryGenerator(
      const std::string& name, const framework::config::Parameters& parameters);
 
  virtual ~MultiParticleGunPrimaryGenerator();
  void GeneratePrimaryVertex(G4Event* anEvent) override;
 
  void RecordConfig(const std::string& id, ldmx::RunHeader& rh) override;
 
 private:
  TRandom* random_;
 
  G4ThreeVector mpg_vertex_;
 
  G4ThreeVector mpg_momentum_;
 
  double mpg_n_particles_{1.};
 
  int mpg_pdg_id_{99999};
 
  bool mpg_enable_poisson_{false};
 
};  // MultiParticleGunPrimaryGenerator
 
}  // namespace generators
}  // namespace simcore
 
#endif  // SIMCORE_MULTIPARTICLEGUNPRIMARYGENERATOR_H_