CGAL users discussion list

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

Le mardi 10 septembre 2013 21:26:01 ChaoM a écrit :
> Hello all:
>        I use the Nef to do the 3d boolean operation susscefully, now when i
> take a plane to intersect the nef polyhedron, i want to get the intersected
> plane , and draw it out.
>        Since i look the polyhedron  convert to Nef polyhedron. there is one
> precondition: nef is simple ()  or polyhedron is closed.
>        And my problem is if i get the intersected plane (just a plane
> ,surely not closed ), how can i realize it with Nef or other way ?

There is such a functionality in the Polyhedron demo, in 
CGAL/demo/Polyhedron/Polyhedron_demo_cut_plugin.cpp, where the AABB Tree 
module of CGAL is used.

The code might be complicated, because of the framework of the demo, but the 
use of AABB_tree in itself is not. Let us know if you manage to dig into that 
code, or if you need more hints.

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