John VanSickle <evi### [at] hotmailcom> wrote:

>
> http://graphics.pixar.com has a paper on combining focal blur,
> anti-aliasing, motion blur, specular highlighting, area lights, and
> blurred transparency into one feature.  To improve the quality of any of
> these, one merely increases the anti-aliasing level.

Thanks for reminding me of this link; I had seen it recently in another news
thread comment (probably from you!) but hadn't looked at it carefully.
>
> The way POV-Ray handles this now is rather cumbersome.  If I set 4x4
> anti-aliasing, and uses a 4x4 area light, the area light is fully
> sampled for each sample of the spatial anti-aliasing, and if I throw in
> 10x oversampling for motion blur, then the scene takes 2560 times as
> long as a scene with no area lights, anti-aliasing, or motion blur.

OW!  That hurts.

Thanks for the reply; your explanation of the PIXAR method is fascinating.
Think a similar methodolgy could make it into POV?

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