FDsimG4PrimaryGeneratorAction.hh

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//
// Description: PrimaryGeneratorAction for FDsimG4 application
//              
// Version 1.0: Use of ESA General Source Model 
//
//

#ifndef FDsimG4PrimaryGeneratorAction_h
#define FDsimG4PrimaryGeneratorAction_h 1

#include "G4VUserPrimaryGeneratorAction.hh"
#include "G4ThreeVector.hh"
#include "FDsimG4DetectorConstruction.hh"

namespace TelescopeSimulatorLX {
  class FDsimG4CorsikaEvtInterface;
}

class G4RunManager;
class G4GeneralParticleSource;
class G4Event;
class G4ParticleTable; 

namespace TelescopeSimulatorLX { class TelescopeSimulator; }

namespace TelescopeSimulatorLX {

  class FDsimG4PrimaryGeneratorAction : public G4VUserPrimaryGeneratorAction {

  public:

    FDsimG4PrimaryGeneratorAction()  ;
    ~FDsimG4PrimaryGeneratorAction() ;

  public:

    void GeneratePrimaries(G4Event* anEvent);

    G4ThreeVector GetSourcePosition() ;
    G4ThreeVector GetParticleMomentumDirection() ; 

    G4GeneralParticleSource* GetParticleGun(){return particleGun;}    

    void SetNumberOfEvents(G4int Nevents){NumberOfEvents = Nevents;}    
    G4int GetNumberOfEvents(){return NumberOfEvents;}    

    void SetUseGeneralParticleSource(G4bool use){fUseGenPartSource=use;} ;

  private:

    void GenerateGPSPrimaries(G4Event* anEvent);
    void SetPhotonSpectrum(G4String type);

    const FDsimG4DetectorConstruction* DetectorConstruction ;
    G4GeneralParticleSource* particleGun;
    G4ParticleTable* pParticleTable ; 

    G4bool fUseGenPartSource ;
    G4int NumberOfEvents ;

    void ReadFDSimulatorEvent(G4Event* anEvent);
    TelescopeSimulator * theFDSimulator ;
  };

}

#endif