Warp <war### [at] tagpovrayorg> wrote in news:3d8c7816@news.povray.org:

> There are, however, cases where photons *do* show some effect in the
> refracting object itself (for example when it's only partially
> transparent). You'll have to test which looks better. 

...in the refracting object or on the refracting object?

> 'collect off' does not affect reflection and refraction of light. It
> just tells that photons should not be stored at the surface of the
> object for lighting calculation.

and therefore will not affect dispersion either, right?

I better understand 'collect off' now, thanks

-- 
(MIKA) Marc Champagne
marcch.AT.videotron.DOT.ca
Montreal, CANADA

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