Louis du Mont writes: In this video we’ll look at compositing the passes from a MultiEXR render in order to rebuild a beauty pass, as well as a few ways in which this workflow might be beneficial for adjusting colours and even textures without having to re-render your scene.
from BlenderNation https://www.blendernation.com/2021/01/12/why-you-might-want-to-comp-renders/
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