Is it possible to convert a UV mapped image texture into per-face vertex color?
I found this script that can generate Per-face vertex color from Normals of 2.79, or an add-on Bake vertex color, but it doesn't work per-face.
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It depends how often you want to do this.. it's computationally inefficient, but I'm sure an equivalent procedure would be scriptable.. Split all edges on mesh. In UV map, pivot 'Individual Origins', scale all faces to 0, so all faces sample a point. Run 'Bake Vertex Color' – Robin Betts Feb 14 '21 at 06:34
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I came to this through this Q https://blender.stackexchange.com/q/211511/2214 so I was curious how to ... your step with "Individual Origins" generated my Q :) BTW Scale to zero (or even with small face size) results as black for "Bake Vertex Color" add-on :) – vklidu Feb 14 '21 at 18:54
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Oh. Bother. It's a beautifully written add-on, well-commented... but it's doing quite sophisticated sampling, which is getting tangled up by 0 faces? Would 1 center-of-face sample do, for your case? (Where's @batFINGER when you need him :D) – Robin Betts Feb 14 '21 at 19:31