Le_Forgeron <jgr### [at] freefr> wrote:

> Thanks to your link, I would say:
>
> A = R
> C = abs(r-rho)/2
> B = sqrt(A^2-C^2)
> D = (r+rho)/2
>
> with R the traditional radius (major) of the torus
> r & rho the two different minor radius
>
> and voila!
>
> Here with 3,2 & 1  (and still the white sphere of radius 1 at origin)

Yes, excellent - that's the same answer that I came up with, which is also in
agreement with the formulas I came up with for the parametric version.

Hopefully it works without any difficulty.  I'll see if I can apply it to the
planetary and satellite orbitals tonight or this weekend.  :)

Thanks again!

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