Hi,

I've been working on a POV model of a football stadium:

http://www.henrywagner.org/povray/images/POPMart2.htm
http://www.henrywagner.org/povray/images/POPMart3.htm

Currently the model is generated using the POV scripting syntax to generate
the stadium out of triangles in the shape of an ellipse. As I add more
details, the number of triangles is getting out of control. Today it hit
me, I could just define the points that make up the profile and "sweep" the
stadium out with lathe or sor, but I haven't been able to figure out how to
create the elliptical shape. One idea is to create a spherical stadium and
use "scale" to stretch it along one axis, but I don't think that will look
right. Is there away to sweep an object along an elliptical path? Any other
ideas of how to speed this up?


Henry

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