pad_dataset::extend_look_arrays

Source: dataset/pad/pad_dataset__extend_look_arrays.pro

 extend_look_arrays
        Extends the data arrays as requested by ACQUIRE_DATA etc.
        Extension is by 20% of current length.

 Call:
        dsref -> extend_arrays, tform, ttimes, ndmax

 Arguments: 
        tform   float   inout   The transform array to extend.
        ttimes  double  inout   The transform times array to extend.
        ndmax   int     inout   Maximum number of times in data arrays

 History:
        Extracted from ACQUIRE_DATA: 18/9/91; SJT
        Minimum extension set to 20: 2/12/91; SJT
        Mag field for movie added by key: 5/12/91; SJT
        Accumulation array extended properly: 6/1/92; SJT
        Add s/c position arrays: 21/2/94; SJT
        Accum for all except MFSA: 15/4/94; SJT
        Use TEMPORARY function to save space: 23/8/94; SJT
        No ephem arrays for ULA data: 21/9/94; SJT
        Recast as a method of the rates_dataset class: 31/1/00; SJT