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// $Id: G4VNuclearDensity.hh,v 1.4 2006/06/29 20:45:49 gunter Exp $
// GEANT4 tag $Name: geant4-09-03 $
//
#ifndef G4VNuclearDensity_h
#define G4VNuclearDensity_h 1

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


class G4VNuclearDensity 
{

  public:
    G4VNuclearDensity();
    virtual ~G4VNuclearDensity();
    
    inline G4double GetDensity(const G4ThreeVector & aPosition) const
    {
	return rho0*GetRelativeDensity(aPosition);
    };
    
    virtual G4double GetRelativeDensity(const G4ThreeVector & aPosition) const = 0;
    virtual G4double GetRadius(const G4double maxRelativeDenisty) const = 0;
    virtual G4double GetDeriv(const G4ThreeVector & point) const = 0;    

  protected:    
    inline void Setrho0(G4double arho0) { rho0=arho0; };
    inline G4double Getrho0() const { return rho0; };
   
  private:
  
    G4double rho0;
};

#endif

