"Brian Elliott" <NotForSpam@AskIfUWant> wrote in message 
news:42bc285c$1@news.povray.org...
>
> That is such a strange behaviour -- and a scene-breaker.  I've never used 
> cylindrical lights before, let alone use them in media and placed within 
> the viewport, and would never have expected this.
>
> I've just experimented a bit more placing objects in Ard's scene.  No 
> colour is calculated for pixels which map over the aperture of a 
> cylindrical light when media is on.  Even when a nearer opaque object 
> obscures the light source from view, that part of it still becomes black, 
> and ONLY when media is on.
>
> Is it known if this issue is tested for in the Pov-Ray 3.7 beta?
>
> Brian
>
> ---- code ----
> [snip]

What I should have said:  In that scene, the green box is "burnt right 
through" by the cylindrical light behind it when the "interior {media}" line 
is used, but is correct with media commented out.

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