Apply OpenSubdiv Catmull-Clark smoothing.
- [Instructor] The Arnold attributes…in an object shape node make it easy…to apply subdivision surface smoothing at render time,…and that's helpful in situations such as this…where I've got a low level of detail table cloth…that needs to be smoothed out.…And the beauty of Arnold is that we can adaptively…adjust the subdivision based upon the curvature…or the edge length of the object.…I've already got the Arnold render view open…and the AI utility shader applied to the tablecloth…and it's rendering in polygon wireframe mode.…
Select the tablecloth, and let's open up its attributes…with Control + A.…And in the tablecloth shape mesh node,…open the Arnold section.…Scroll down a bit, and open the subdivision section.…And it's turned off by default.…The type is none.…Let's see what we can do here.…Set this to linear,…and now it's just simply dividing each polygon…into four polygons.…And it's not performing any smoothing.…
Set the type to catclark or catmull clark…and now we've got the open subdiv algorithm.…We can increase the number of iterations here to two,…
AuthorAaron F. Ross
- Arnold rendering concepts
- Lighting with Maya and Arnold lights
- Controlling exposure
- Filtering light with Gobo
- Light attenuation with Decay
- Image-based lighting with Skydome
- Exterior daylight with Physical Sky
- Arnold Standard Surface material attributes
- Mapping material attributes
- Rendering refractions
- Mesh subdivision and displacement at render time
- Shading effects such as ambient occlusion and vertex color
- Camera effects such as fisheye and depth of field
- Animation image sequence rendering
Skill Level Intermediate
2. Studio Lighting
3. Natural and Environmental Lighting
4. Materials and Mapping
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