In article <3828efdc@news.povray.org> , "Nathan Kopp" <Nat### [at] Koppcom> 
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


____________________________________________________
Thorsten Froehlich, Duisburg, Germany
e-mail: tho### [at] trfde

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