Stephen <mca### [at] aolcom> wrote:
>
> I must be missing it too. My thought was to use a camera Ray
> Perturbation using a Leopard Normal.

Hmm, is leopard really an appropriate pattern to use here? Isn't that pretty
much the cosine of x, y & z summed? I was forced to use the posted function only
after trying a cylindrical normal with poly_wave 0.5, and seeing how it didn't
work too well. The goal, of course, was to find something that would behave like
a spherical lens, but on a 2D surface.

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