From: capelli@vnet.IBM.COM (Ron Capelli)
Subject: Re: detecting double points in bezier curves
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In <ia522B1w165w@oeinck.waterland.wlink.nl> Ferdinand Oeinck writes:
>I'm looking for any information on detecting and/or calculating a double
>point and/or cusp in a bezier curve.

See:
   Maureen Stone and Tony DeRose,
   "A Geometric Characterization of Parametric Cubic Curves",
   ACM TOG, vol 8, no 3, July 1989, pp. 147-163.
_______________________________________________________________________

...Ron Capelli                 IBM Corp.  Dept. C13,  MS. P230
   capelli@vnet.ibm.com        PO Box 950
   (914) 435-1673              Poughkeepsie, NY  12602
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"There are no answers, only cross references."
