track_rate_stream::get_idf_info

Source: stream/rate/Track/track_rate_stream__get_idf_info.pro

 track_rate_stream::get_idf_info
        Return IDF info for a track rate stream.

 Usage:
        info = strref -> get_idf_info(<keys>)

 Keywords:
        sectors         If set then return the number of sectors in
                        the channel.
        erange          If set, then return the energy range.
        Geometry        If set, then return the geometry factor of the channel
        energy          If set, then return the "mid point" energy of
                        the channel.
        location        If set then return the location of the channel.
        unit            Get the unit for the data.
 
 History:
        Original: 10/2/00; SJT
        Modify energy unit handling: 24/3/00; SJT
        Add unit keyword: 27/4/01; SJT
        Added _extra key to swallow unused items: 24/7/01; SJT