CGAL users discussion list

[Frankie Li <>]

Ah.  It's still not too bad.  Thanks again!

Frankie

Sebastien Loriot (GeometryFactory) wrote:
> Frankie wrote:
> > Thanks!
> >
> > Frankie
> You thanked me too fast.
> Laurent makes me notice that what I suggested simply creates the
> smallest circumscribing sphere but not the surface Delaunay ball.
>
> There is no built-in function. You have to compute the dual of the facet
> and then intersect it with the surface to get the center of the ball.
>
> S.
>
> > On 02/14/2011 01:38 AM, Sebastien Loriot (GeometryFactory) wrote:
> > > Frankie Li wrote:
> > > > Hi All,
> > > >
> > > > Is there a built-in function to calculate the surface Delaunay ball
> > > > given a boundary facet when using the complex_3_in_mesh_3?
> > > >
> > > > Thanks,
> > > >
> > > > Frankie
> > > There is a constructor of sphere from 3 points.
> > >
> > > see:
> > > http://www.cgal.org/Manual/latest/doc_html/cgal_manual/Kernel_23_ref/Class_Sphere_3.html 
> > >
> > >
> > >
> > >
> > > S.