"Bill Brehm" <bbr### [at] netzeronet> wrote in message
news:3c49029c@news.povray.org...
>
> Is there any way to simulate lens distortions such as barrel distortion
and
> pincushioning? I want to generate some purposely distorted images to
verify
> some equipment that is supposed to measure and correct for such
distortions.

Check into using a normal statement in the camera; bump_map, slope_map,
normal_map, or just a pattern might work okay.

bob h

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