def METHOD_NAME(self, coordinate_id):
    """Get the longitudes and latitudes of the scene."""
    lons, lats = self._get_coordinates_in_degrees()
    if coordinate_id == 'longitude':
        return create_xarray(lons)
    if coordinate_id == 'latitude':
        return create_xarray(lats)
    raise KeyError("Coordinate {} unknown.".format(coordinate_id))