@classmethod
def Yaxis(cls):
    """Construct a unit vector along the Y axis.

        Returns
        -------
        :class:`compas.geometry.Vector`
            A vector with components ``x = 0.0, y = 1.0, z = 0.0``.

        Examples
        --------
        >>> Vector.Yaxis()
        Vector(0.000, 1.000, 0.000)
        """
    return cls(0.0, 1.0, 0.0)
