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Hughes, B. wrote:
>"HenryW" <pov### [at] henrywagner org> wrote in message
>news:web.3f43c86f4e495bb8aa8c3f990[at]news.povray.org...
>> 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.
<snip>
>But there's also 'prism', which could be plotted out into a ellipse and be
>made conical at the same time. Might take a little learning if you're
>unfamiliar with it but that would be my best suggestion.
>
Or maybe a combination of the two... Make spline of your profile, then make
a lathe object and union it with prisms made from the same spline. Prism
requires a closed spline so you probably have to use lathe rather than SOR.
RG
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