rate_dataset::plot_footer

Source: dataset/rate/rate_dataset__plot_footer.pro

 rate_dataset::plot_footer
        Display a footer at the base of a plot. and return the lower
        edge of the plotting box.

 Usage:
        ybot = dsref -> plot_footer()

 History:
        Original: 26/1/00; SJT
        Add offsets: 29/3/00; SJT