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Specular Tests Using RenderMan
Sunday, May 17, 2015 Filed in: Tools for Artists
Here’s a test I did using the PxrLMSubsurface base material’s Specular Attribute. This was done without a texture-map, to see what the attribute could do in as a default, and I have to say that the out-of-the-box results are AMAZING! Check out the differences I got by just tweaking the Color and the the Refractive Index (image 2,) which I found on the Internet:
Here are the settings I used for the Color and Refractive Index:
Why use the Refraction Index of water? Well, babies are made of 78% water and as we get older we loose that percentage - 60% for a full-grown male!
This has to do with the Specularity of the skin, not the water-content. And because some parts are more “oily” than others, the next step is to create a custom texture map for the specular and input it in the color Attribute.
Hope this helps someone!
Cheer!
Here are the settings I used for the Color and Refractive Index:
Why use the Refraction Index of water? Well, babies are made of 78% water and as we get older we loose that percentage - 60% for a full-grown male!
This has to do with the Specularity of the skin, not the water-content. And because some parts are more “oily” than others, the next step is to create a custom texture map for the specular and input it in the color Attribute.
Hope this helps someone!
Cheer!