def METHOD_NAME(self):
    """Creates and configures an array that contain the orientation code
    for each active link (and corresponding cell pair).
    Notes
    -----
    **Creates**:
    * ``self.active_link_orientation``: 1D numpy array of ints
      Array of orientation codes for each cell pair (link)
    This overrides the method of the same name in landlab_ca.py.
    """
    # Create array for the orientation of each active link
    self.link_orientation = np.zeros(self.grid.number_of_links, dtype=np.int8)
    # Set its value according to the different in y coordinate between each
    # link's TO and FROM nodes (the numpy "astype" method turns the
    # resulting array into integer format)
    dy = (
        self.grid.node_y[self.grid.node_at_link_head]
        - self.grid.node_y[self.grid.node_at_link_tail]
    )
    self.link_orientation = dy.astype(np.int8)