CGAL users discussion list

[Rob Pieké <>]

Hmm ... that's strange. I tried running the exact same command as you 
have below, and I see it in the viewport.

> With this new polyhedron I get a problem by just reading it
>
> $ ./nef_3_filtered.exe loadoff crack.off vis
> CGAL error: assertion violation!
> Expr: !pe->is_border()
> File: ../../include\CGAL/Nef_3/polyhedron_3_to_nef_3.h
> Line: 191