CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

On 03/08/2012 06:38 PM, Wester wrote:
> Hi,
>
> I'm absolutely new to CGAL. I want to use CGAL to model optical surfaces. I
> have to subdivide the surfaces in such a way that the original vertices, which
> are ray positions, a preserved. That means I need an interpolating subdivision
> scheme. As far as I could figure out, there is no such scheme implemented in
> CGAL. Does anybody know of an implementation of the modified butterfly
> subdivision using CGAL?
>
> I would be very appreciative for any help.
>
> Regards
> Rolf Wester
Sorry for the late answer.
The framework in CGAL is generic and you should be able to implement
this new subdivion scheme with it (but nothing already exists).

See for example this example:
http://www.cgal.org/Manual/latest/doc_html/cgal_manual/Subdivision_method_3/Chapter_main.html#Section_51.8

Sebastien.