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/// \file field/field02/include/F02PrimaryGeneratorAction.hh
/// \brief Definition of the F02PrimaryGeneratorAction class
//
//
// $Id: F02PrimaryGeneratorAction.hh 77893 2013-11-29 08:57:22Z gcosmo $
//
//
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#ifndef F02PrimaryGeneratorAction_h
#define F02PrimaryGeneratorAction_h 1

#include "globals.hh"
#include "G4VUserPrimaryGeneratorAction.hh"

class G4ParticleGun;
class G4Event;
class F02DetectorConstruction;
class F02PrimaryGeneratorMessenger;
class G4ParticleDefinition;

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class F02PrimaryGeneratorAction : public G4VUserPrimaryGeneratorAction
{
  public:
    F02PrimaryGeneratorAction(F02DetectorConstruction*);
    virtual ~F02PrimaryGeneratorAction();

  public:
    virtual void GeneratePrimaries(G4Event*);
    void SetRndmFlag(G4String val) { fRndmFlag = val; }
    void SetXVertex(G4double x);
    void SetYVertex(G4double y);
    void SetZVertex(G4double z);

    static G4String GetPrimaryName();

  private:
    G4ParticleGun*                fParticleGun; //pointer a to G4 service class
    F02DetectorConstruction*      fDetector;    //pointer to the geometry

    F02PrimaryGeneratorMessenger* fGunMessenger; //messenger of this class
    G4String                      fRndmFlag;     //flag for random impact point

    static G4ParticleDefinition* fgPrimaryParticle;
    G4double fXVertex, fYVertex, fZVertex;
    G4bool fVertexDefined;

};

#endif
