PJSR fits-keywords hint?

[mschuster]

1171 Win7:

I assumed that the hint "fits-keywords" on xisf write would force writing fits-keywords.

But if "Store FITS header keywords" is disabled in XISF Preferences, no keywords are written when the hint is specified.

Is this expected? If so, what does the hint do?

Thanks,
Mike

[Juan Conejero]

Hi Mike,

No, this is not the expected behavior, so it if happens then we have a bug. I'll check it..

For a complete list of XISF format hints, see the comment around line 65 of the following source file, above class XISFStreamHints:

https://github.com/PixInsight/PCL/blob/master/src/modules/file-formats/XISF/XISFInstance.cpp

For FITS hints, see the FITSReadHints class:

https://github.com/PixInsight/PCL/blob/master/src/modules/file-formats/FITS/FITSInstance.cpp

Indeed, the "fits-keywords" XISF hint should force storage of FITS header keywords (and "no-fits-keywords" should cause the opposite effect).