Thomas Lake wrote:
> 
> One thing that bothers me is that the glass cylinder is just crying out for
> photons but without a light source photons don't work. And I am trying my
> best to resist putting in a light source;-)

I never tried it, but wouldn't light groups be a solution for that?

Christoph

-- 
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other 
things on: http://www.schunter.etc.tu-bs.de/~chris/

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