Ron Parker <par### [at] fwicom> wrote :
>
> Even there, it's of limited usefulness if it has a fixed major radius.
>

    Maybe I don't know what you mean. I was just thinking that I would be
happy with a major radius of 1 and a minor radius of 1. Everything else can
be done with density and scale. As long as the density starts at 1 along the
focus of the minor radius and goes to 0 and stays there.

    Isosurface torus pretty much requires a toroidal container which means
that you cannot combine it with another media in the same container.

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