Where can I get my hands on the tree macro? Is there a link still good for it?

Andy

Kevin Wampler wrote:

> Thank you all very much for your comments so far, I thought that I would
> answer some of the questions that have come up.
>
> The snow is an isosurface (including the ridges, that's not a texture) which
> probably was not the best way to do things since it took forever to render.
> The footsteps were created by the combination of a couple of variations on
> exp(-x^2-z^2).  The snow pileups at the base of the trees were created in a
> similar manner.  Each of the footprints and each of the snow pileups is
> actually a separate isosurface, since if I put all of the math functions
> together into one isosurface it renders much too slowly.
>
> The snowflakes are just a bunch of small, striated spheres with a marble
> texture so that they are white near the center and clear at each of the
> edges, I was pretty pleased with how well this simulated motion blur.
>
> If I didn't explain that well enough, of if anyone is still interested, I can
> post the source, after I clean it up a bit that is.
>
> To give credit where credit is due, the trees were created with Thom Aust's
> tree macro (old version) and the scene was rendered in Megapov 0.3.

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