"Ard" <ard### [at] waikatoacnz> wrote:
> The ends of the cylindrical lights are rendered as stark black discs.
> [snip]
> media { scattering { 2, rgb 1/2 extinction 0} }

see thread:
web.42b69f52a6ab8cf34f17dd8d0%40news.povray.org
Basically, your media has no container and Pov attempts to sample the media
along an infinite ray.

JYR

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