In article <3f6f0780$1@news.povray.org> , "Tim Nikias v2.0" <no_lights (@)
digitaltwilight.de> wrote:

> The same way antialiasing works. Shoot at the
> four edges and find a great difference in color.

No, this won't work.  Also you don't notice most of the time, anti-aliasing
does nothing when it comes to finding small details.  All it does is smooth
out sharply separated details that were already "known" (visible).  On
occasion this will find other small details while looking for the clear
separation of the already known details, but this is not more than a
side-effect of the anti-aliasing process.

However, his does not imply the desired effect - rendering a scene with
increasing detail, isn't possible.  It is just more difficult to obtain.
Using other information, like the vista buffer information, can be used to
track at least all the boundable objects.  However, using this information
isn't as simple as an anti-alising-like algorithm.

    Thorsten

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

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