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Subject: Re: Convert a Polyline with spline fit to BEzier



On 23 Apr 2006 05:30:09 -0700, "Nangi" wrote:
>Hi, i'm trying to write a routine to convert a polyline with spline fit
>(drawn with Autocad, DXF 12) to a sequence of Bezier curve. How can I
>do that?

Knot insertion will convert a curve in non-uniform B-spline form to
one in piecewise Bezier form. If the curve is a cubic, make each knot
have multiplicity three.

Boehm knot insertion will insert a single knot. The Oslo algorithm is
an effective way to insert many at once.

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