Jump to content

Channel filtering in Blend Ranges

Recommended Posts

I've recently tried to simulate low colour bitdepth in AP using posterize and layer blend ranges.


( see this post https://forum.affinity.serif.com/index.php?/topic/40899-using-posterize-to-simulate-low-bit-depths-in-ap/ )


But I realised I couldn't filter out whole colour channels using the blend option graphs.


So the feature that would solve this (and be useful for other things) is the addition of channel filtering check boxes to the blend options panel.




Then you could selectively turn off channels without effecting other.




Passive :)

Share this post

Link to post
Share on other sites

Will a curves adjustment on the Red channel not do what you want?



Due to the ongoing Brexit negotiations, punctuation, spelling and grammar will be used sparingly until further notice.

Share this post

Link to post
Share on other sites

Hi carl123, thank you for the suggestion. Unfortunately, through trial and error I have come to the conclusion that the curves adjustment is different to advanced blending of channels (being able to turn of one, two or all channels on EACH layer/being able to apply channels to layers).


Please see this thread for exactly what I tried to do, using Curves and Channel mixers: https://forum.affinity.serif.com/index.php?/topic/46110-advanced-blending-of-channels-isolating-channels-on-layers/


In the end I realised I could not duplicate a Photoshop tutorial hence my +1 for this request. Please also see this thread for more on applying channels to layers: https://forum.affinity.serif.com/index.php?/topic/11258-please-help-things-i-cannot-do-with-affinity-photo


Here is Photoshop's Advanced Blending screen (including channels). You get to it by double clicking on a layer. Something like this in Affinity would be perfect. I love using Affinity Photo on my iPad Pro, but I really miss the advanced blending of channels from Photoshop. Here's hoping Affinity include it in a future release.


Share this post

Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now