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Why does mipmapping separate out the RGB channels?

Re separating RGB, I guess you are referring to Lance Williams' "Pyramidal Parametrics" paper. I suspect he did it that way to fit in with the graphics system he had, but on modern GPUs (at ...
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Export Model Textures Per Face

Since UV coordinates are per a vertex this can be done by simply displaying the 2D UV coords in screen space and texture the resulting triangles using the same texture coords. Since UV coords are ...
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