I see now, yes, that's the kind of thing I've thought too but when I tried it
the render time was phenomenal by my standards.  First time I've seen your
Ategeros program concept at your web site.  I do remember the talk about that.
By comparison what I'm doing here is child's play but I'll see what I can do to
improve  :-)

Bob H.

"Christoph Hormann" <chr### [at] gmxde> wrote in message
news:3A6### [at] gmxde...
>
> No, i meant to do the plants with the isosurface, just make the planted
> parts a bit higher and more noisy.
>
> >
> > Not exactly sure how you meant "2D" here but I seem to recall that.
> >
>
> It only means that it's 2d :-) meaning that it calculates the gradient in
> a plane. Souldn't matter here, because usually you use something like:
>
> isosurface {
>   function { y - fnRMF(x, 0, z) - fnAdditiomalNoise(x, y, z) }
>   ...
> }
>
> so you only use the RMF function on a 2d plane
>
> Your construction is somewhat different, so i'm not sure if it works.
>
> Christoph

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