//
// ********************************************************************
// * DISCLAIMER                                                       *
// *                                                                  *
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// * regarding  this  software system or assume any liability for its *
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// $Id: HadrontherapyPrimaryGeneratorAction.hh; May 2005
// ----------------------------------------------------------------------------
//                 GEANT 4 - Hadrontherapy example
// ----------------------------------------------------------------------------
// Code developed by:
//
// G.A.P. Cirrone(a)*, F. Di Rosa(a), S. Guatelli(b), G. Russo(a)
// 
// (a) Laboratori Nazionali del Sud 
//     of the National Institute for Nuclear Physics, Catania, Italy
// (b) National Institute for Nuclear Physics Section of Genova, genova, Italy
// 
// * cirrone@lns.infn.it
// ----------------------------------------------------------------------------

#ifndef HadrontherapyPrimaryGeneratorAction_h
#define HadrontherapyPrimaryGeneratorAction_h 1

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

class G4ParticleGun;
class G4Event;

class HadrontherapyPrimaryGeneratorMessenger;
class HadrontherapyPrimaryGeneratorAction : public G4VUserPrimaryGeneratorAction
{
public:
  HadrontherapyPrimaryGeneratorAction();    
  ~HadrontherapyPrimaryGeneratorAction();
  
public:
 

  void SetsigmaEnergy(G4double);
  void SetmeanKineticEnergy(G4double);
  void SetDefaultPrimaryParticle();
  void GeneratePrimaries(G4Event*);
  void SetXposition(G4double);
  void SetYposition(G4double);
  void SetZposition(G4double);
  void SetsigmaY(G4double);
  void SetsigmaZ(G4double);
  void SetsigmaMomentumY(G4double);
  void SetsigmaMomentumZ(G4double);
  
  G4double meanKineticEnergy;
  G4double sigmaEnergy;
  G4double X0;
  G4double Y0;
  G4double Z0;
  G4double sigmaY;
  G4double sigmaZ;
  G4double sigmaMomentumY;
  G4double sigmaMomentumZ;

private:
  G4ParticleGun*                particleGun;
  HadrontherapyPrimaryGeneratorMessenger* gunMessenger; 
  G4double sigmaX;
};

#endif