Hi Marco,

re:
> I'm now using the call to moi.geometryDatabase.updateStaticFaceColors(); to force a refresh of
> the surface color in the viewport.
> It works :)

Great, that should work for now. That's a bug that I will fix up though, it should be doing that automatically when surfaceColorMode is modified.

re:
> Is there a way to programmatically set the current Lighting mode?

Yes, check out the properties used in LightingOptions.htm .

- Michael