Okay, the more I read the more I know  :-)
I just meant copy&paste in the sense that the "portal" is extracting a copy of
the rendered scene from a certain viewpoint and then pasting that in the way of
a pigment applied to any other object.

Bob H.

"Chris Huff" <chr### [at] maccom> wrote in message
news:chrishuff-3DE84C.06021022012001@news.povray.org...
>
> Um, no...there is no copy/pasting of scene code. It just moves rays to
> another portion of the same scene.
>
> > That is, it's essentially a 2D representation placed based on where
> > the portal view is and where it exists. Guess I'm getting closer to
> > the idea there.  Perhaps.
>
> Think of it as a "ghost object" that is left behind at the position of
> the object when the portal pigment is applied...no matter where the
> portal object is moved, rays hitting it will emerge from that ghost
> object.

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