CGAL users discussion list

[Monique Teillaud <>]

Le 23/08/12 16:58, Sebastien Loriot (GeometryFactory) a écrit :
> On 08/22/2012 11:49 AM, 
>
>  wrote:
> > Hi All,
> > I am contemplating using CGAL for a research project that involves
> > making a
> > Delaunay triangulation. I had 2 questions to start with.
> > 1. Is it possible to compute the interior angles for each triangle?
> > And also
> > the slope/di-hedral angle each triangle makes to the x-y plane?
>
> You can have access to each facets, so writing what you want should not
> be complicated.

Right. Let me mention that there are also a few functions in CGAL for 
computing angles.

> > 2. Is it possible to generate my own graph representation using the
> > i-graph C
> > library once I have a Delaunay triangulation?
>
> Nothing in CGAL will do it directly.

But here again, CGAL gives you access to all necessary information about 
cells, adjacencies, incidence, etc, which will allow you to generate a 
graph in another library.

> However, CGAL provides an interface to boost graph which might
> help doing it.
>
> See here:
> http://www.cgal.org/Manual/latest/doc_html/cgal_manual/BGL_ref/Class_graph_traits.html

indeed
        Monique

> Sebastien.
>
> > Thanks,
> > Manu


--
Monique Teillaud
INRIA Sophia Antipolis - Méditerranée
http://www.inria.fr/sophia/members/Monique.Teillaud/