rate_stream::form_sratio

Source: stream/rate/rate_stream__form_sratio.pro

  rate_stream::form_sratio
        Forms a ratio between two previously plotted streams, and adds
        them as a new stream to the dataset.

 Usage:
        dsref -> form_sratio, base

 Arguments:
        base    int     input   The sector number to use as a "base"
                                (0 is average)

 History:
        Original version, from rate_dataset::form_ratio: 19/7/00; SJT
        Exclude the self(/-)self sector from the output: 30/7/01; SJT
        Redesign for new interface: 9/4/02; SJT