@classmethod
def HomogeneousMinnaert(cls, k, alb):
    """Parameterisation for a surface BRDF based on the Minnaert BRDF model.

        The parameters are:
        - K surface parameter
        - Surface albedo

        """
    return (
        '0 Homogeneous surface\n1 (directional effects)\n5 (Minnaert model)\n%f %f\n'
         % (k, alb))
