Mike Horvath <mik### [at] gmailcom> wrote:
> I am thinking of creating a model of the solar system in POV-Ray.
> However, one of the things I would like to do is trace the path (locus)
> of each planet around the sun so that the distance traveled so far is
> visible. How would I accomplish this in POV-Ray? Thanks.
>
>
> Mike

You should be able to peg that to whatever you're using to determine the
position of the planet in the animation.

So just use a torus, or section of scaled torus, or an elliptical sphere sweep
that starts at zero, and goes to wherever your planet currently is.

I managed to use a Dupin cyclide - but nevermind me.

Have you managed to determine how all the planets are aligned at some initial
starting point?

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