> How does your macro compare to the isosurfacing capability already in
> POVRay?  How is it the same?  How is it different?

isosurface in pov :
they are directly ray traced,
they do not need memory,
but they are slow to render

if you use the macro to create a mesh :
it is slow to generate (but you only have to do this once),
it renders way faster than the isosurface (because it's only triangles),
if you want a smooth result you need a lot of triangles
it uses more memory than an isosurface

the macro is not really usefull to render isosurface in pov, but maybe it
can help someone who would want to convert an isosurface for another
programm

M

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