Re: Minimum Number of Points on B-Spline Curve
- To: mathgroup at smc.vnet.net
- Subject: [mg22718] Re: Minimum Number of Points on B-Spline Curve
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Fri, 24 Mar 2000 03:27:00 -0500 (EST)
- Organization: Universitaet Leipzig
- References: <8b9ltp$94c@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Hi, it depends on the curvature of the curve and the screen resolution. The Graphic Gems are full of "render B-Spline" algorithms. Try: Adaptive Sampling of Parametric Curves Luiz Henrique de Figueirod Graphic Gems V, page 173 Academic Press 1995 Regards Jens Bey Mohamed wrote: > > Hi all and good morning, > > I want to know if is it possible to determine the minimum number of points > to represent a curve (Bezier, B-Spline, Rational B-Spline and NURBS)in order > to represent them on the screen and appear smoothed (These curves are > approached by segments of lines and then they appear broken if the number of > points is not sufficient) > > Thanks in advance. > > Mohamed Bey.