"Trevor G Quayle" <Tin### [at] hotmailcom> wrote:
> "Gail Shaw" <initialsurname@sentech sa dot com> wrote:

> >
> > They look great, like the stone tiles found on patios.
> > Could you go into a bit more detail about how you do them?
>
> Not sure how familiar you are with heightfields.  Typically they use an
> external image, however, POVRay allows them to use internal images as well.
>  This includes definable pigment patterns as well as functions....

> I hope this was somewhat informative for you.  It seems that not many people
> are aware of the full capabilities if HFs.

THANKS so much for sharing the details. This kind of heightfield generation
is new to me, too, and your lucid explanation is extremely helpful, far
beyond the POV docs. Much appreciated!

Ken W.

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