> Sort of, I currently have 6 differents ways to tesselate an object:
>  2 based on marching tetrahedrons, using intersection test (IIRC);
>  4 based on marching cube, using insideness and various way to do the
triangles;
>  (but for the latest 2, I still need to check the PD aspect of the
tesselation,
>  because what I can do ok in my kitchen might not be ok in exported code.)
>
> All workings fine with sphere/box/cone/cylinder/torus, but still need to
check
> with more fancy objects (such as julia_fractal, blob, CSG and so on...).

have you considered assigning standard pov objects (eg sphere) a pre defined
mesh, marching for all non regular objects (such as blobs) then deal with
csg


--

Rick

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