Wasn't it Tim Nikias who wrote:
>AFAIK, you can do that with MegaPOV, but don't quote me on that, I don't use>MegaPOV.
Such a facility was in MegaPov 0.* but didn't get carried over to
MegaPov 1.* when the whole thing got rewritten using the POV 3.5 source.
--
Mike Williams
Gentleman of Leisure