Re: Some help with dielectric node

On Sep 21, 3:26 am, Hn <H...@[EMAIL PROTECTED]
> wrote:
> 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...

I am using 9.3.
I also add a 'conductor' sphere and that looks fine