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Ron Parker wrote:
>
> On Sat, 15 Apr 2000 19:50:55 -0400, John VanSickle wrote:
> >There is. If r is the radius of the quarter circle, then the
> >distance from the little-o control points to its big-O control point
> >will be:
> >
> > 4/3*(sqrt(2)-1) * r
> >
>
> In the MetaFont Book, IIRC, Knuth states that it's impossible to
> create a circle using Bezier curves. Is this not true?
It is indeed impossible to create an entire circle with a single
Bezier curve. However, the Bezier above creates a quarter of a
circle. I did the math two or three years back, and it boiled
down to a constant radius over that quarter circle.
Regards,
John
--
ICQ: 46085459
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