Hmmm,

I just tried a sphere{0,15 interior{media{...}}} instead of atmospheric
media, with the same problem

Mark

PS

here is the media
sphere{
  0, 20
  interior{
    media {
      intervals 10
      samples 1,1
      confidence 0.9
      variance 1.0/128
      ratio 0.9
      scattering {
        1,
        rgb<0.05,0.05,0.05>
      }
      method 3
    }
  }
  hollow
}

"Christopher James Huff" <chr### [at] maccom> wrote in message
news:chr### [at] netplexaussieorg...
> In article <3d5ff521@news.povray.org>,
>  "Mark Hanford" <mar### [at] theinternetcom> wrote:
>
> > I've been trying to use cylinder lights to create a search-light effect,
> > using atmospheric media.  I have noticed that the end of the cylinder
light
> > shows as a black disk, rather than just 'running out'.
> >
> > Is this normal?  Can I stop this?
>
> This probably has something to do with how intervals are split up to
> optimize rendering for spotlights and cylinder lights and the fact that
> your media is infinite. Simple answer: don't use atmospheric media, use
> some kind of comtainer.
>
> --
> Christopher James Huff <cja### [at] earthlinknet>
> http://home.earthlink.net/~cjameshuff/
> POV-Ray TAG: chr### [at] tagpovrayorg
> http://tag.povray.org/

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