ConvertMCTruthToG4.h

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#ifndef G4BASE_CONVERTMCTRUTHTOG4_H
#define G4BASE_CONVERTMCTRUTHTOG4_H

// G4 Includes
#include "Geant4/G4VUserPrimaryGeneratorAction.hh"
#include "Geant4/G4ParticleTable.hh"
#include "Geant4/globals.hh"

// ART Includes
#include "canvas/Persistency/Common/Ptr.h"
#include "canvas/Persistency/Common/PtrVector.h"

// Forward declarations
class G4Event;
namespace simb { 
  class MCTruth; 
}

namespace g4b {

  class ConvertMCTruthToG4 : public G4VUserPrimaryGeneratorAction {

  public:
    ConvertMCTruthToG4();
    virtual ~ConvertMCTruthToG4();

    void Reset();

    void Append( art::Ptr<simb::MCTruth> &mct );

    void Append( const simb::MCTruth* mct );

    virtual void GeneratePrimaries( G4Event* );

  private:
    static G4ParticleTable*           fParticleTable; 
    std::vector<const simb::MCTruth*> fConvertList;   
    std::map<G4int, G4int>            fUnknownPDG;    
  };

} // namespace g4b

#endif // G4BASE_CONVERTMCTRUTHTOG4_H