In article <40ab308c$1@news.povray.org>, Alain <aze### [at] qwertygov> 
wrote:

> Apply a gradient z texture, black on the far end, white on the near end, 
> ambient 1.

Only if you are using an orthographic camera. For most other camera 
types, use a spherical pattern centered on the camera. You could also 
use an entirely white texture and black fog...this should work 
regardless of the camera type, but won't give a linear mapping.

-- 
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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