get_reference_scale¶
- sofia_redux.instruments.forcast.imgnonlin.get_reference_scale(header, camcap, update=False)[source]¶
Get non-linearity scale from the header based on camera and capacitance
- Parameters:
- headerastropy.io.fits.header.Header
- camcapstr
camera + 2-letter-capacitance, e.g., SWCHI, LWCLO, etc.
- updatebool, optional
If True, update the header with a HISTORY message stating the scale
- Returns:
- tuple of float
reference, scale