Mike Horvath <mik### [at] gmailcom> wrote:

> > What would be a formula for a sphere? L should be latitude, H longitude,
> > and C radius.

https://en.wikipedia.org/wiki/Spherical_coordinate_system
Conversely, the Cartesian coordinates may be retrieved from the spherical
coordinates
https://wikimedia.org/api/rest_v1/media/math/render/svg/d7bcd516d317c31ac48ed36e2ead9537a5f16e2e

> Problem: L ranges from 0..100, and C ranges from 0..128, and I want to
> avoid generating a flattened ellipsoid.
>
> Mike

#declare C = C*(100/128);

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