In article <39ee17b3@news.povray.org>, "Rune" <run### [at] inamecom> 
wrote:

> When you do exaggerated motion blur completely internally, some 
> motion blur samples in one frame are identical to some samples in the 
> next frame. Doing the same samples twice or more is a waste of time. 
> To optimise speed, the unique samples should be done internally, and 
> the "overlapping" samples should be done externally.

If you have an animation, that is. You can use motion blur to do the 
supersampling, and frame averaging to exaggerate the blur. If you are 
doing a still, frame averaging combined with motion blur would be less 
efficient, since you have to recalculate things that don't change.

-- 
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/

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