CGAL users discussion list

[Michael George <>]

To answer my own question, yes it does include the boundaries.  There 
doesn't seem to be a way to form the union of the interiors of a set of 
polygons in a single pass.

--Mike

Michael George wrote:
> Hello,
>
> There is a constructor for Nef_polyhedron_2 that takes a collection of 
> simple polygons.  Does the constructed polyhedron include the 
> boundaries of those polygons?
>
> Thanks,
>
> --Mike