CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

On 8/26/19 2:29 PM, Jane Tournois wrote:
> Hello,
>
> Le 26/08/2019 à 07:42, imperin a écrit :
> > Hello Jane,
> > 1.I tried to adapt the hybrid domain example , and did what you said , 
> > but I
> > can use detect_features only inside struct for
> > Polyhedral_mesh_domain_with_features_3, and nothing happens when i do it.
>
> right, you need to adapt your Hybdrid mesh domain so that it is able to 
> detect once and only once each feature polyline.
>
> > 2. I also tried Polyhedral_complex_mesh_domain_3, but I need to make 
> > pairs
> > of surfaces i do not know the numbers. Is there automatic tool for 
> > finding
> > intersecting surfaces of multiple Polyhedrons?
>
> I don't think we have an automatic tool for that. You can use AABB_tree 
> to detect collisions between polyhedra, and then put it together with 
> the info you have (like knowing that polyhedra do not intersect but are 
> adjacent, etc)
Polygon_mesh_processing::intersecting_meshes() might help (if I 
understand correctly what you want).

https://doc.cgal.org/latest/Polygon_mesh_processing/group__PMP__predicates__grp.html#ga1ff63ec6e762d45ea5775bf7b49f9270

Sebastien.

> > Thanks a lot.
> >
> >
> >
> > --
> > Sent from: http://cgal-discuss.949826.n4.nabble.com/