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[cgal-discuss] extracts from polyhedron and reinsertion


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  • Subject: [cgal-discuss] extracts from polyhedron and reinsertion
  • Date: Tue, 29 Sep 2009 12:15:15 +0200 (CEST)

Good afternoon,

We use CGAL library and self-learn with CGAL on-line manual and tutorials. We
succeeded in putting parts together rather easily but there are another two
problems we don’t know how to solve.

-1-
Our working mesh is a mesh with nearly 180000 facets but the area we’re
interested in is a little part of this mesh (1/15). On the little area we’re
using polyhedra, nefpolyhedra and boolean operations on nefpolyhedra. What is
the right and safer method to work on extracts of a mesh and reinsert them in
the entire mesh? From the polyhedron made of our big mesh we succeeded in
building another polyhedron made of our little mesh but we didn’t use Cgal
primitives. Which primitives are to be used in order to split the polyhedron
into two polyhedrons and reinsert the little polyhedron in the big one?


Best regards.

Pascale Bergeret



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