08-02-2022, 09:44 AM
Looking back over the posts, this is before any RGB to CMYK conversion. Is that correct ?
The GEGL Colors -> Shadow-Highlights filter is not really one I use. Are you applying this to a selection ? (sky or foreground selected) I think it is more an over-all filter, although I can see a sort of halo effect.
A better bet might be using luminosity masks. The original plugin is a bit flakey in Gimp 2.10 but Ofnuts has a good version: see: https://www.gimp-forum.net/Thread-ofn-luminosity-masks and check out the link to the basics by Pat David.
A bit restricted by imgur file size but this a quick animation, using Ofnuts plugin. https://i.imgur.com/X8YCPev.mp4 Using a mid-dark (DD) for the foreground, the sky would be one of the 'L's.
The GEGL Colors -> Shadow-Highlights filter is not really one I use. Are you applying this to a selection ? (sky or foreground selected) I think it is more an over-all filter, although I can see a sort of halo effect.
A better bet might be using luminosity masks. The original plugin is a bit flakey in Gimp 2.10 but Ofnuts has a good version: see: https://www.gimp-forum.net/Thread-ofn-luminosity-masks and check out the link to the basics by Pat David.
A bit restricted by imgur file size but this a quick animation, using Ofnuts plugin. https://i.imgur.com/X8YCPev.mp4 Using a mid-dark (DD) for the foreground, the sky would be one of the 'L's.