get_badpix¶
- sofia_redux.instruments.fifi_ls.get_badpix.get_badpix(header, filename=None)[source]¶
Retrieve bad pixel data.
Badpix files are identified by a configuration file called badpix_default.txt in the data/badpix_files directory. This file must contain 3 columns: end date (YYYYMMDD), channel (b1, b2, or r), and filepath (relative to the data directory).
The procedure is:
Identify badpix file, unless override is provided
Read badpix data from file
Return badpix array
- Parameters:
- headerfits.Header
FITS header from which to determine badpix file. Will be updated with BDPXFILE keyword.
- filenamestr, optional
Direct path to a badpix file (overrides header logic)
- Returns:
- numpy.ndarray
(n_values, (spexel number, spaxel_number))