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Re: [cgal-discuss] how to construct equidistant curves???


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  • From: 少买国货台湾货 <>
  • To:
  • Subject: Re: [cgal-discuss] how to construct equidistant curves???
  • Date: Wed, 30 Dec 2009 17:56:24 +0800
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Hi, everyone!
 
Did someone port CGAL to embeded systems such as WinCE ? If did, how about the performance ?
 
Best Regards

2009/12/30 Laurent Rineau (GeometryFactory) <>
Le mardi 29 décembre 2009 04:37:39, myth0904 a écrit :
> hi, everyone!
>
> is their any sulution in CGAL for constructing equidistant curves?
> The question is:
> I have a base curve described by spline, such as cardinal spline.
> Given a point, a new curve is constructed which passes the given point and
>  is equidistanct from the base curve.
>
>
> any suggestion will be appreciated!!

As far as I know, splines are constructed from a control polygon. If you want
to translate your spline, you may just have to translate the control polygon.

But, If you really want a spline which is equidistant from the first spline,
you should read articles about offsets of splines, see:

 http://scholar.google.com/scholar?q=spline%20offset

--
Laurent Rineau, PhD
Release Manager of the CGAL Project       http://www.cgal.org/
R&D Engineer at GeometryFactory           http://www.geometryfactory.com/

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