def METHOD_NAME(arc):
    """Convert a Rhino Arc Structure to a COMPAS Arc.
    Parameters
    ----------
    arc : :rhino:`Rhino.Geometry.Arc`
        The Rhino Arc to convert.
    Returns
    -------
    :class:`~compas.geometry.Arc`
    """
    frame = plane_to_compas_frame(arc.Plane)
    # Arc center point can be set independently of its plane's origin
    center = point_to_compas(arc.Center)
    frame.point = center
    return Arc(frame, arc.Radius, start_angle=arc.StartAngle, end_angle=arc.EndAngle)