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// -------------------------------------------------------------------
// $Id: G4PenelopeBremsstrahlungAngular.hh,v 1.1 2010-12-20 14:11:13 pandola Exp $
// GEANT4 tag $Name: not supported by cvs2svn $
//
// Author: L.Pandola
//
// History:
// -----------
// 23 Nov 2010  L. Pandola       1st implementation
// 24 May 2011  L. Pandola       Renamed (make default Penelope)
//
// Class description:
// Calculation of angular distribution for Penelope Bremsstrahlung
// version 2008
// --------------------------------------------------------------


#ifndef G4PENELOPEBREMSSTRAHLUNGANGULAR_HH
#define G4PENELOPEBREMSSTRAHLUNGANGULAR_HH 1
#include "globals.hh"
#include <map>

class G4PhysicsTable;

class G4PenelopeBremsstrahlungAngular
{ 

public:
  G4PenelopeBremsstrahlungAngular(); 
  ~G4PenelopeBremsstrahlungAngular();
  G4double SampleCosTheta(G4double Zeq,
			  G4double primaryEnergy,G4double gammaEnergy);
  void ClearTables();
  
private:
  void PrepareInterpolationTables(G4double Zeq);
  
  //Tables containing the Lorentz sampling coefficients 
  //The key is the effective Z of the material
  std::map<G4double,G4PhysicsTable*> *theLorentzTables1;
  std::map<G4double,G4PhysicsTable*> *theLorentzTables2;

  void ReadDataFile();
  G4bool dataRead;
  
  static const G4int NumberofZPoints=6;
  static const G4int NumberofEPoints=6;
  static const G4int NumberofKPoints=4;

  G4double QQ1[NumberofZPoints][NumberofEPoints][NumberofKPoints];
  G4double QQ2[NumberofZPoints][NumberofEPoints][NumberofKPoints];

};


  
#endif