CGAL users discussion list

["Laurent Rineau (CGAL/GeometryFactory)" <>]

Le lundi 22 juillet 2013 10:34:02 Raul Gallegos a écrit :
> Hi Community,
> 
> I am checking the implementation of Lloyd and Odt move optimizers, and
> before moving, they check the dimensionality with the c3t3.in_dimension(v)
> (where v is a vertex_handle).
> 
> But we are talking about a 3D Mesh, how could a vertex inside a 3D Mesh be
> different from a 3-dimensional vertex, on what circumstances?

That function in_dimension does not return the dimension of the vertex, but 
the dimension of a face of the triangulation that contains the vertex. You 
can 
have precision in the third paragraph of that manual page:
http://www.cgal.org/Manual/latest/doc_html/cgal_manual/Mesh_3_ref/Concept_MeshComplex_3InTriangulation_3.html

-- 
Laurent Rineau, PhD
R&D Engineer at GeometryFactory           http://www.geometryfactory.com/
Release Manager of the CGAL Project       http://www.cgal.org/