This look like just the thing I need for my 'spherical Mandel mountain'. -
when you've figured out the smoothing that is.

Good luck with the smoothing.

Nekar Xenos

Chris Huff <chr### [at] maccom> wrote in message
news:chrishuff-26BCD9.13120903032001@news.povray.org...
> These macros generate height field meshes from pigments from within POV.
>
> SquareHF.jpeg is an ordinary square height field, like the
> height_field {} primitive object in POV.
>
> SphereHF.jpeg is the first type of spherical height field, using a 2D
> square wrapped around a sphere with spherical coordinates.
>
> Sphere2HF.jpeg is the second type of spherical height field, generated
> by recursively subdividing an octahedron, dividing each triangle into 4
> triangles. This doesn't have the "pinching" toward the y axis like the
> first type does.
>
> I still haven't done smoothing, I'll try to figure out a good way to do
> it.
>
> --
> Christopher James Huff
> Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
> TAG: chr### [at] tagpovrayorg, http://tag.povray.org/
>
> <><
>
>

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