inline Standard_Integer Bnd_Sphere::U() const
{
  return myU;
}

inline Standard_Integer Bnd_Sphere::V() const
{
  return myV;
}

inline Standard_Boolean Bnd_Sphere::IsValid() const
{
  return myIsValid;
}

inline void Bnd_Sphere::SetValid(const Standard_Boolean isValid)
{
  myIsValid = isValid;
}

inline const gp_XYZ& Bnd_Sphere::Center() const
{ 
  return myCenter; 
}

inline Standard_Real Bnd_Sphere::Radius() const
{ 
  return myRadius; 
}