CGAL users discussion list

["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/