operaguy posted at 11:20AM Mon, 25 March 2019 - #4348772

Hi BB,

1. when you say "roughness maps" (and that they don't matter much) do you mean displacement maps?
2. if I were in possession of a great diffuse map with little or no reflections, how would I make a bump map, since (and I agree) you don't make it from the diffuse map?

1. A roughness map would affect the roughness value. Makes the shader more or less shiny. Has nothing to do with bump or displacement, but in fact simulates nano-bumps.

2. A single diffuse map does not have the nessesary Information. You would have to make the structures yourself. Not easy.

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