10-bit viewing / dithering

[Nightjar]

Hello 

On older posts I read, that Affinity Photo is not supporting 10-bit viewing? Is this still the case? If yes, I really hope this will be implemented soon, as they want to compete with PS which has been supporting this for a long time. 

In the Affinity Preferences it says "dither gradients" but actually doesn't smooth my 10-bit test gradient. It's super much like 8-bit while in Capture One it looks very smooth. Anybody else having non smooth gradients?

Cheers

[lepr]

The app currently only supports 10-bit viewing of floating point 32 bits per channel documents. At least it works on my 2017 iMac.

[Nightjar]

Thanks for your answer. What are floating point 32 bits documents? Wouldn't a RAW image fall under this category?

[lepr]

A camera raw file contains integer values, but the Develop Persona does operate on a floating point 32 bpc RGB image that is created from the raw data. Develop Persona then provides either a floating point 32 bpc image or an integer 16 bpc image to Photo Persona, depending on the selected option in the Develop Assistant. Another source of floating point imagery is 3D rendering.

[R C-R]

6 hours ago, Nightjar said:

Wouldn't a RAW image fall under this category?

High end digital cameras typically encode images in RAW files using 12-14 bits per channel. Anything much higher than that would be a waste of file space because camera sensors can't resolve color better than that.