Re: Some help with dielectric node

Eric von Horst wrote:
> Hi,
> 
> I just started using node based surfacing (which I find really
> amazing).
> I made simple sphere and choose a dielectric material node.
> 
> The result is that the sphere looks really black (evil looking
> black:).
> It does not really seem transparent (I put the absoption factor to 5)
> 
> 
> I use ImageWorld to in my scene and 2 area lights (set a 60 and 40%)
> 
> I would expect to see a nicely rendered glass sphere in stead of the
> black sphere from hell.
> 
> any ideas what I am doing wrong
> 
> With kind regards,
> 
> Kris



You using 9.2 or 9.3?

9.2 requires a complex backface/air polygon setup. 9.3 doesn't. If you 
are using 9.2 and haven't set up backface/air polygons your absorption 
will be far higher than you expect and your object will appear black.

Just a guess, but if you're using 9.3 that won't happen...