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What this really means is that PovRay would benefit from having more
Intelligent handeling of >rgb 1 samples. I've seen several people
working on just such issues and I hope to see the results in... [Author
was shot before he could mention a future version of POV in the news groups]
Slime wrote:
>>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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