CGAL users discussion list

[Mariette Yvinec <>]

Regular facets form the boundary of the alpha_shapes.
If you are lucky, they may form a manifold surface mesh
but this is not granted.

Le 19/07/11 12:20, Farhad Bazyari a écrit :
> Hi guys,
>
> Sorry for novice question!
> I have a point cloud from which I can make fixed alpha shape. Now I want to get the 
> "exterior" of that alpha shape as a mesh. is there an example in the manual 
> about it? cause I couldn't find anything. I think it should be REGULAR facets of the 
> alpha shape.
> figure 47.2 (chapter 47!) suggests that I can get orientation for points, I 
> couldn't figure out how exactly I can do that either. (I was thinking of 
> making mesh out of REGULAR points with known normals)
>
> Thanks in advance for your help,
> Farhad

--
Mariette Yvinec
Geometrica project team
INRIA  Sophia-Antipolis