David Given <dg### [at] cowlarkcom> wrote:
> Isosurfaces were the only way of doing spherical heightfields that I
> could find. Are there any other ways?

  Not spherical heightfields per se, but you can create spherical meshes:

http://wiki.povray.org/content/Documentation:Reference_Section_7.3#The_HF_Macros

-- 
                                                          - Warp

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