Creating a 2d elliptical spiral

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How do I approach this creating this geometry?

I want to generate a 2d elliptical spiral 8 x 6 OD. with 8 revolutions inward at .06 spacing between the turns. (Houdini units)

I'd like to use the geometry as a path.

Thanks in advance!
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i looked on this site
http://cboard.cprogramming.com/c-programming/2796-drawing-spiral.html [cboard.cprogramming.com]
and little wikipedia to refresh basic math

you can take alook and play with it.
hope i helped a little.

Attachments:
Spiral_by_Barakooda.hipnc (42.6 KB)

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Thanks for the link and file.

It looks like it will do the trick. I just need to play a little more to get the right spacing. Then I'll delete the unwanted segments in the center, and I should have exactly what I need.

I'm going to study that script, I can see where it would be a handy tool.

Thanks again!
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I thought I'd take a stab at this and try to make it less “technical” … “missed it by that much.” ;o)

Attachments:
jm_spiral_04.hipnc (55.8 KB)

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