Wow. So I am going through the ExifTool EXIF: (née TIFF) group and trying to parse out what sort of subspace the fields might hale from. In so doing, I have met many a weird mutation of TIFF, like TIFF-FX, TIFF/EP, TIFF/IT, and others. Phil has dug under every rock to find TIFF spawned fields! His work continues to amaze me.
I found this Python library that supports some flavors of TIFF I have not heard of, specific (somewhat) to bioimaging, and share it in case it's valuable to anyone else:
https://pypi.org/project/tifffile/ (https://pypi.org/project/tifffile/)
Scroll down to the Notes and References sections specifically for a cornucopia of scientific offshoots of the mighty TIFF format! Yowsa!
- J
In TIFF-FX:
ChromaSubSampling
ChromaPositioning
"...are the same as YCbCrSubSampling and YCbCrPositioning in [TIFF] but have been renamed to reflect their
applicability to other color spaces." - TIFF-FX RFC3949 p. 49-50
I am unsure if I see a map in ET source resolving the two...?
Hey Phil, if you didn't do such an incredible job, my discoveries would be cooler! Your fault. :p
- J
Sorry for the delay in responding to this. I don't understand how this impacts ExifTool. If TIFF-FX wants to name some tags differently, that's fine. ExifTool will keep the same name.
- Phil
Understood. Thank you, sensei! - J