Oops, my mistake. Should have checked before. Since the isosurface patch is 3.1 now, I
had assumed
that the macro examples had been ported to 3.1 too and to the official macro syntax.
Obviously
there was no reason for Ryoichi Suzuki to do so. However, I did use the original D.
Skarda
algorithm (in the old macro syntax) as a basis for my first 3.1 tree macro, which was
the really
hard way to learn how to create macros.
G.

Ron Parker wrote:

> On Sat, 01 May 1999 13:30:53 +0200, Gilles Tran <tra### [at] inapginrafr> wrote:
> >Recursive macros were a cypher too until I found the pyramid.pov & pyramid2.pov
macros in the
> >povray directory. There was (is ?) also an example of a simple fractal tree made
with a
> >recursive macro in the isosurface patch which was the grand daddy of the MakeTree
family.
>
> That macro will serve only to confuse you, as the syntax and semantics of the
> isosurface macros were not at all the same.

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