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// $Id: G4LivermoreComptonModel.hh 76220 2013-11-08 10:15:00Z gcosmo $
// GEANT4 tag $Name: not supported by cvs2svn $
//
//
// Author: Alexander Bagulya
//         11 March 2012
//         on the base of G4LivermoreComptonModel
//
// History:
// --------

#ifndef G4LivermoreComptonModel_h
#define G4LivermoreComptonModel_h 1

#include "G4VEmModel.hh"
#include "G4LPhysicsFreeVector.hh"

class G4ParticleChangeForGamma;
class G4VAtomDeexcitation;
class G4ShellData;
class G4DopplerProfile;

class G4LivermoreComptonModel : public G4VEmModel
{
public:

  G4LivermoreComptonModel(const G4ParticleDefinition* p = 0, 
		          const G4String& nam = "LivermoreCompton");

  virtual ~G4LivermoreComptonModel();

  virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);

  virtual void InitialiseLocal(const G4ParticleDefinition*,
			       G4VEmModel* masterModel);

  virtual void InitialiseForElement(const G4ParticleDefinition*, G4int Z);

  virtual G4double ComputeCrossSectionPerAtom( const G4ParticleDefinition*,
                                               G4double kinEnergy, 
                                               G4double Z, 
                                               G4double A=0, 
                                               G4double cut=0,
                                               G4double emax=DBL_MAX );

  virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
				 const G4MaterialCutsCouple*,
				 const G4DynamicParticle*,
				 G4double tmin,
				 G4double maxEnergy);

private:

  void ReadData(size_t Z, const char* path = 0);

  G4double ComputeScatteringFunction(G4double x, G4int Z);

  G4LivermoreComptonModel & operator=(const  G4LivermoreComptonModel &right);
  G4LivermoreComptonModel(const  G4LivermoreComptonModel&);

  G4bool isInitialised;
  G4int verboseLevel;

  G4double lowestEnergy;
  
  G4ParticleChangeForGamma* fParticleChange;
  G4VAtomDeexcitation*      fAtomDeexcitation;

  static G4ShellData*       shellData;
  static G4DopplerProfile*  profileData;

  static G4int maxZ;
  static G4LPhysicsFreeVector* data[100];

  static const G4double ScatFuncFitParam[101][9];

};

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#endif