G4VEmAngularDistribution.hh

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// $Id$
//
// -------------------------------------------------------------------
//
// GEANT4 Class header file
//
// File name:     G4VEmAngularDistribution
//
// Author:        V. Ivanchenko using design of existing 
//                interface G4VBremAngularDistribution
// 
// Creation date: 13 October 2010
//
// Modifications: 
//
// Class Description: 
//
// Abstract base class for polar angle sampling
//
// Class Description: End 

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

#ifndef G4VEmAngularDistribution_h
#define G4VEmAngularDistribution_h 1

#include "globals.hh"
#include "Randomize.hh"
#include "G4ThreeVector.hh"
#include "G4DynamicParticle.hh"

class G4Material;

class G4VEmAngularDistribution
{
public:

  G4VEmAngularDistribution(const G4String& name);

  virtual ~G4VEmAngularDistribution();

  // Sample direction in global coordinate system,
  // this means for zero scattering angle this direction is the same
  // as the direction of primary 
  virtual G4ThreeVector& SampleDirection(const G4DynamicParticle* dp,
                                         G4double finalTotalEnergy,
                                         G4int Z,
                                         const G4Material*) = 0;

  inline const G4String& GetName() const;

protected:

  G4ThreeVector fLocalDirection;

private:

  // hide assignment operator 
  G4VEmAngularDistribution & operator=(const  G4VEmAngularDistribution &right);
  G4VEmAngularDistribution(const  G4VEmAngularDistribution&);

  G4String fName;
};

inline const G4String& G4VEmAngularDistribution::GetName() const
{
  return fName;
}

#endif

---