Oh yes, I see what you mean.
Still my digital camera tends to pick up jagged edges on bright things... :)

-- 
Tek
www.evilsuperbrain.com

"Slime" <fak### [at] emailaddress> wrote in message news:400373cf@news.povray.org...
> > You could avoid
> > over-bright objects getting jagged edges by using more samples (the
> > anti-aliasing threshold would mean these extra samples only got used on
> those
> > high-contrast areas).
>
> If 1/9 of a pixel has the color rgb 10000, and the rest of the pixel has
> other colors between 0 and 1, and clipping happens after anti-aliasing, then
> the pixel is going to be 1/9 * 10000 + 8/9 * (something between 0 and 1),
> which works out to be well over 1, causing the entire pixel to be
> oversaturated. More samples just causes this calculation to be more
> accurate, but still well over 1. If this happens at every pixel along the
> edge of an object, it will look pixellated.
>
>  - Slime
>  [ http://www.slimeland.com/ ]
>
>

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