Questions tagged [material]

31 questions
17
votes
2 answers

Why do most photorealistic renderers have similar material test scenes?

I notice that most photorealistic renderers have very similar material test scenes. Here are a few examples: Blender Mitsuba Vray My question is: why is this specific model / style chosen to test materials? Does it have some advantage over…
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12
votes
2 answers

Why does graphics speak of "dielectrics" rather than insulators?

For example, Filament's documentation at https://google.github.io/filament/Filament.md.html uses the term "dielectrics" when contrasting nonconductors to conductors, which it calls "metallics". And here on stackexchange,…
2
votes
1 answer

Confused about material layering

I am a little bit confused about the various flavors of material layering in both online and offline rendering. I had naively assumed (after using the Mix Shader in Cycles and a few minutes in Substance Painter) that material layering was just a…
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