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// $Id: F04PrimaryGeneratorAction.hh 77884 2013-11-29 08:41:11Z gcosmo $
//
/// \file field/field04/include/F04PrimaryGeneratorAction.hh
/// \brief Definition of the F04PrimaryGeneratorAction class
//

#ifndef F04PrimaryGeneratorAction_h
#define F04PrimaryGeneratorAction_h 1

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

#include "G4Navigator.hh"
#include "G4TransportationManager.hh"

class G4ParticleGun;
class G4Event;

class F04DetectorConstruction;
class F04PrimaryGeneratorMessenger;

class F04PrimaryGeneratorAction : public G4VUserPrimaryGeneratorAction
{
  public:

    F04PrimaryGeneratorAction(F04DetectorConstruction*);
    virtual ~F04PrimaryGeneratorAction();

  public:

    virtual void GeneratePrimaries(G4Event*);

    void SetRndmFlag(G4String val) { fRndmFlag = val;}

    void SetXvertex(G4double x);
    void SetYvertex(G4double y);
    void SetZvertex(G4double z);

  private:

    F04DetectorConstruction*   fDetector;    // pointer to the geometry

    G4ParticleGun*             fParticleGun; // pointer a to G4 service class
 
    F04PrimaryGeneratorMessenger* fGunMessenger; // messenger of this class

    G4String fRndmFlag;                      // flag for random impact point

    G4bool fFirst;

    G4AffineTransform fGlobal2local;

    G4double fXvertex, fYvertex, fZvertex;

    G4bool fVertexdefined;

};

#endif
