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In article <3828efdc@news.povray.org> , "Nathan Kopp" <Nat### [at] Kopp com>
wrote:
> Unfortunately, anti-aliasing won't always fix the problem. The primary
> difference is that with mipmapping, as the camera moves farther and farther
> away, more and more pixels are effectively averaged to produce the final
> output. At the first stage, you get 4 pixels (2x2) averaged into 1. The
> next stage might be 2x2 blocks of stage 1, meaning 4x4 of the original or 16
> total pixels. By the time you get to stage three, its 2x2 of stage 2, or
> 8x8 of the original, or 64 pixles. Getting that good of results by POV's
> current anti-aliasing techniques would really make things slow.
Hmm, for now a workaround migth be to use an external program to scale down
the image and use that as image map. Not a great workaround I have to admit,
but it will work (if Nieminen needs a workaround right now).
Thorsten
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Thorsten Froehlich, Duisburg, Germany
e-mail: tho### [at] trf de
Visit POV-Ray on the web: http://mac.povray.org
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