![]() ![]() In the example above we can see how we can drive roughness, anisotropy, and bump with a single texture. In the example above, you can see how we can get very close to the intended look-development with only 1 sample, instead of having to fire hundreds of rays to visualize the intended level of detail in the textures. ![]() Here you can see extensive wear of the clear coat on the paint job, which creates micro-scratches and breaks up the specular in interesting ways, also driving the anisotropy in ways which more accurately reflect the intended look-development.Ī crucial feature of Bump Roughness is to see micro details when objects are far from the camera. One such example is Louise Nash (shaded by Yeon Kang) from Cars 3. With this pattern, RenderMan automatically switches from a bump map to a roughness value depending on the size of a feature in the camera, effectively improving your render times by lowering the sampling rates needed to render such details. Bump Roughness was created for efficiently sampling micro details. ![]()
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