CGAL users discussion list

[Veerle <>]

Hello,

I'm new to CGAL and I'm trying to use the 3D boolean operation on
Nef_polyhedron_3.

I was able to construct two objects (surface1 and surface2) by reading
off-files and converting the polyhedron to Nef_polyhedron_3:
    Nef_polyhedron_3 surface1;
    Nef_polyhedron_3 surface2;

Then I substract both surfaces and the result is in result_surface:
    Nef_polyhedron_3 result_surface = surface1 - surface2;

Now I want to return the result_surface in my function to be able to use it
in another function. However, since result_surface is no pointer, it gets
deleted at the moment that I leave my function. Is there a way to return
this without it being deleted? I was thinking of returning a copy of
result_surface, but I couldn't find a copy constructor for Nef_polyhedron_3.

Thanks

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