POV-Ray: Newsgroups: povray.general: Bezier problem: Re: Bezier problem

POV-Ray : Newsgroups : povray.general : Bezier problem : Re: Bezier problem		Server Time 9 Aug 2024 23:22:30 EDT (-0400)

From: Ron Parker
Date: 16 Apr 2000 00:04:26
Message: <slrn8fifha.1v7.ron.parker@linux.parkerr.fwi.com>

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
>
>The spline will be an exact quarter circle.  Your spline might look like:

In the MetaFont Book, IIRC, Knuth states that it's impossible to create
a circle using Bezier curves.  Is this not true?

-- 
Ron Parker   http://www2.fwi.com/~parkerr/traces.html
These are my opinions.  I do NOT speak for the POV-Team.

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