CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

It's not clear to me what you are looking for (what you say about nodes 
confuses me).

Is the ray arbitrary and do you want to know all the finite cells
intersected by that ray?

Sebastien.

On 07/28/2014 10:22 AM, cdoucet wrote:
> Hello,
>
> In a 3D Delaunay triangulation, I would like to know which tetraedra
> (indicent to the same node) are intersected by a given ray (passing through
> this node).
>
> I found in the documentation that intersections between rays and other cells
> can be computed:
> http://doc.cgal.org/latest/Kernel_23/group__intersection__linear__grp.html
> However, it does not seem possible to call intersection function for a ray
> and a tetrahedron (or a Cell_handle).
>
> How could I perform such an intersection with CGAL?
>
> Thank you very much for your help.
>
> Cédric Doucet
> Inria Paris-Rocquencourt
>
>
>
> --
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> http://cgal-discuss.949826.n4.nabble.com/Intersection-between-a-ray-and-a-cell-tp4659619.html
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