3dcheapskate,

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Looks like you got the world by its balls!!  Is the DS version of WorldBall for 3Delight or IRAY?
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The latest DS I have on my system is 4.6, and I've only tested it with the built-in 3Delight renderer. It might work in the nVidia one, or it might not - I've no idea.
But having said that it's nothing particularly clever - it basically consists of five things:

1. An all-encompassing spherical prop with inward facing normals and an equirectanglar (lat/long) UV mapping.The background image is applied to the ambient channel. I assume that should work in the nVidia renderer?

2. An infinite light (a straightforward DS distant light). I assume that should work in the nVidia renderer?

3. A 'faked' diffuse IBL. This was created in ShaderBuilder, which creates RSL shaders I think? I assume that should work in the nVidia renderer too? More about the 'faked' bit in yesterday's post on the worldball thread in the DS forum

4. A shadowcatcher groundplane.The shadowcatcher material is created in ShaderMixer. Not sure if that'll work in the nVidia renderer.

5. A script.This simply provides an easy way to load the worldball with any environment set, or to change the environment set if the worldball's already loaded.

P.S. As somebody mentioned a way back when I did a couple of outer space environment sets - it also doubles as SpaceBalls!  ;o)

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The 3Dcheapskate* occasionally posts sensible stuff. Usually by accident.
And it usually uses Poser 11, with units set to inches. Except when it's using Poser 6 or PP2014, or when its units are set to PNU.

*also available in ShareCG, DAZ, and HiveWire3D flavours (the DeviantArt and CGBytes flavour have been discontinued).