BartJ
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color again, sorry
in Pre-V2 Archive of Affinity on Desktop Questions (macOS and Windows)
Posted
I'm the ArtFlow developer and I just want to chime in to explain the issue. ArtFlow has two rendering modes default which uses sRGB color space (similar to most graphic programs) and linear RGB (gamma=1) rendering mode (as supported by Krita and Photoshop). Lars've created image in ArtFlow using linear RBG exported it and got different result in AP due to difference in blending engine.
Note that blending in linear RGB color space is actually mathematically correct (as blending equation are defined in linear RGB color space), also is many instances it gives better visual result (here: http://ninedegreesbelow.com/photography/linear-gamma-blur-normal-blend.htmlis a bit of technical info if anyone is interested) but since it isn't widely supported ArtFlow has this setting off by default.