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Goliath20

Using geometry color attributes w/ renderman

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Can someone please explain how to connect geometry colour to a surface shader in renderman 23? I've been using Houdini for 3 years and I still can't figure this out. The integration of Renderman into Houdini is appaling and the documentation is useless. I've promoted the color on the geometry to a vertex attribute and renamed it to Cs from Cd. How do i get this in the shader? Thanks

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Posted (edited)

If you are within the LOPs context, be aware that attribute names are changed. LOPs is an implementation of USD. Try connecting a pxrAttribute node to the baseColor of the shaders node. Instead of typing Cd type displayColor  for the attribute name.

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Edited by Atom

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