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// $Id: G4CoulombScattering.hh,v 1.11 2008/06/13 08:19:43 vnivanch Exp $
// GEANT4 tag $Name: geant4-09-02 $
//
// -------------------------------------------------------------------
//
// GEANT4 Class header file
//
//
// File name:     G4CoulombScattering
//
// Author:        Vladimir Ivanchenko 
//
// Creation date: 12.03.2006
//
// Modifications:
//
// Class Description:
//
// This class manages the process of Coulomb elastic scattering
//

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

#ifndef G4CoulombScattering_h
#define G4CoulombScattering_h 1

#include "G4VEmProcess.hh"
#include "G4VEmModel.hh"

class G4CoulombScattering : public G4VEmProcess
{

public:

  G4CoulombScattering(const G4String& name = "eCoulombScat");

  virtual ~G4CoulombScattering();

  virtual G4bool IsApplicable(const G4ParticleDefinition& p);

  inline void SetThetaMin(G4double);

  inline void SetThetaMax(G4double);

  inline void SetQ2Max(G4double);

  // Set energy above which high energy model will be used
  inline void SetHEModelLimit(G4double);

  // obsolete method to be removed
  inline void SetBuildTableFlag(G4bool);

  // Print out of the class parameters
  virtual void PrintInfo();

protected:

  virtual void InitialiseProcess(const G4ParticleDefinition*);

private:

 // hide assignment operator
  G4CoulombScattering & operator=(const G4CoulombScattering &right);
  G4CoulombScattering(const G4CoulombScattering&);
  
  G4double thetaMin;
  G4double thetaMax;
  G4double q2Max;
  G4double thEnergy;
  G4double thEnergyElec;
  G4bool isInitialised;
  G4bool buildElmTableFlag;
  const G4ParticleDefinition* aParticle;

};

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....

inline G4bool G4CoulombScattering::IsApplicable(const G4ParticleDefinition& p)
{
  return (p.GetPDGCharge() != 0.0 && !p.IsShortLived());
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....

inline void G4CoulombScattering::SetThetaMin(G4double val)
{
  thetaMin = val;
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....

inline void G4CoulombScattering::SetThetaMax(G4double val)
{
  thetaMax = val;
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....

inline void G4CoulombScattering::SetQ2Max(G4double val)
{
  q2Max = val;
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....

inline void G4CoulombScattering::SetBuildTableFlag(G4bool)
{}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....

inline void G4CoulombScattering::SetHEModelLimit(G4double val)
{
  thEnergy = val;
  thEnergyElec = val;
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

#endif
