In article <web.3d4995f2bab79a0926e17e30@news.povray.org>,
 "Don Barron" <ani### [at] ukonlinecouk> wrote:

> I've tried unsuccessfully to make scenes containing a lens focussing a point
> light source show the rays in a scattering medium.  Does anyone have a
> worked example in a pov file to help?

Look at the sample scene "optics.pov". It's in the "advanced" category.

-- 
Christopher James Huff <chr### [at] maccom>
POV-Ray TAG e-mail: chr### [at] tagpovrayorg
TAG web site: http://tag.povray.org/

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