FirstlineDBFilter
- class typhon.datasets.filters.FirstlineDBFilter(ds, granules_firstline_file)[source]
- __init__(ds, granules_firstline_file)[source]
 - Methods - __init__(ds, granules_firstline_file)- filter(scanlines, header)- Filter out any scanlines that existed in the previous granule. - finalise(arr)- reset()- update_firstline_db([satname, start_date, ...])- Create / update the firstline database - Attributes - args_to_reader- late