[Sidefx-houdini-list] Rayhit returning wierd normal
eetu at iki.fi
Mon Oct 13 12:29:35 EDT 2008
Andy Nicholas wrote:
> Thanks for the suggestion. Wouldn't an SDF potentially cause a visible
> smoothing artifact on the wetmap due to it's resolution?
Not really. You can get a smoother result if you use the sdf value as
is, but if you do an "if sdf < 0" then you will get a nice precise result.
> Or is the volumetric interpolation better than I'm giving it credit for?
This has a sphere of sdf resolution 20 http://eetu.iki.fi/sdf/sdf_shader.jpg
Scene - http://eetu.iki.fi/sdf/sdf_shader.zip
More information about the Sidefx-houdini-list