"Chris R" <car### [at] comcastnet> wrote:

> Getting a different texture on the bottom and top of the leaf is a little
> trickier, but can be done by splitting the leaf shape function in half and
> applying a different texture on each half.

I haven't modeled a prototype leaf isosurface yet, but I was wondering:
If the leaf is "extruded" across the x=0, y=0 plane, then I suppose that the
isosurface values could be negated for the entire half of the leaf on one side
of that plane.  Then you could just specify texture and interior_texture to get
both sides of the leaf.

- BW

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