def as_artist(self, origin=(0, 0), **kwargs):
        """
        Matplotlib Line2D object for this region (`matplotlib.lines.Line2D`).

        Parameters
        ----------
        origin : array_like, optional
            The ``(x, y)`` pixel position of the origin of the displayed image.
            Default is (0, 0).
        kwargs : `dict`
            All keywords that a `~matplotlib.lines.Line2D` object accepts

        Returns
        -------
        point : `~matplotlib.lines.Line2D`
            Matplotlib Line2D object.
        """

        from matplotlib.lines import Line2D

        mpl_params = self.mpl_properties_default('LINE2D')
        mpl_params.update(kwargs)

        point = Line2D([self.center.x - origin[0]], [self.center.y - origin[1]],
                       **mpl_params)

        return point