As have I. (take a look at my IRTC entry, the one with the pod racers.)

Peter Popov wrote:

> On Wed, 24 Nov 1999 20:55:35 -0800, "H.E. Day" <mil### [at] teleportcom>
> wrote:
>
> >I was wondering - is it possible to do motion blurring based on the
> >actual translate commands?  What I mean is, create a motion blur from
> >the translate amount, clock delta, and clock?  For example:
> >
> >sphere {0,1 translate -20*z*clock}
> >
> >would produce a linear (vector based) motion blur in the z direction,
> >assuming motion blurring has been turn on.  This would obviously need
> >some adjustment for spline based scenes. Perhaps a MBlur_Amount or
> >Blur_Distance?
> >Anyway, just an idea that would cut down on the render time required for
> >the use of a motion blur in povray. Can anyone make sense of these
> >ramblings and perhaps translate (no pun intended) them into reality?
> >
> >H.E. Day
>
> I have successfully used averaged frames to make motion blur. A quick
> (and dirty) way to increase rendering speed is to only render those
> objects that move, using the +ua option, and then superimpose the
> averaged result over the previously rendered rest of the scene. This
> has the disadvantage of breaking shadows and reflection, but this can
> be fixed, too, though it will make more time (render- and otherwise).
>
> Peter Popov
> pet### [at] usanet
> ICQ: 15002700

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