And

(1) since this appears to be a _fait accompli_ in 1998,
https://www.academia.edu/10284037/Surface_subdivision_for_generating_superquadrics
(2) it would be educational for many people to see the mechanism of how
uv-mapping is applied to a shape,
and
(3) isosurfaces and parametrics can be a real bear to even get to display
properly,


Perhaps we can open up a new thread on uv mapping Superquadrics, with a suitable
test scene in SDL, and a
pigment {function(x,y,z, RX, RY, RZ, E1, E2){Equation}}
can be defined to texture the surface of the object.

At the moment, I can't get the parametric to give me anything but a completely
black box even with an emissive red texture, and my isosurface doesn't even show
up :(

Ray->Shape Intersection          Tests       Succeeded  Percentage
----------------------------------------------------------------------------
Isosurface                      262203               0      0.00
Isosurface Container            262257          262257    100.00
Isosurface Cache                189211           32172     17.00

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