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//
// -------------------------------------------------------------------
//
// GEANT4 Class file
//
//
// File name:  G4VPhotoElectricAngularDistribution
//
// Author:     Pedro Rodrigues  (psilva@lip.pt)
//             Andreia Trindade (andreia@lip.pt)
// 
// Creation date: 10 May 2004
//
// Modifications: 
// 10 May 2004       A. Trindade    First implementation acording with new design
//
// Class Description: 
//
// Abstract class for PhotoElectricsstrahlung Angular Distribution Generation
// Further documentation available from http://www.ge.infn.it/geant4/lowE

// -------------------------------------------------------------------
//

#ifndef G4VPhotoElectricAngularDistribution_h
#define G4VPhotoElectricAngularDistribution_h 1

#include "G4ios.hh"
#include "globals.hh"
#include "G4ThreeVector.hh"

class G4VPhotoElectricAngularDistribution 
{

public:

  G4VPhotoElectricAngularDistribution(const G4String& name);

  virtual ~G4VPhotoElectricAngularDistribution();

  virtual G4ThreeVector GetPhotoElectronDirection(const G4ThreeVector& direction, 
                                                  const G4double kineticEnergy, 
                                                  const G4ThreeVector& polarization, 
                                                  const G4int shellID) const = 0;

  virtual void PrintGeneratorInformation() const = 0;

protected:

private:

  // hide assignment operator 
     G4VPhotoElectricAngularDistribution & operator=(const  G4VPhotoElectricAngularDistribution &right);
     G4VPhotoElectricAngularDistribution(const  G4VPhotoElectricAngularDistribution&);

};

#endif