CGAL users discussion list

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

Le samedi 29 juin 2013 01:30:53 tang a écrit :
> Dear CGAL developer,
> 
> I noticed that CGAL can generate quality mesh from 3D polyhedral domain from
> here:
> http://www.cgal.org/Manual/latest/doc_html/cgal_manual/Mesh_3/Chapter_main.h
> tml
[...]
> Now my questions are:
> 1) can CGAL work if there are multiple polyhedral defined, for example:
> Mesh_domain domain1(polyhedron1), domain2(polyhedron2);
> how to let CGAL generate mesh for domain1 and domain2? run
> CGAL::make_mesh_3<C3t3>
> one by one? however, in my project polyhedron1 is totally inside
> polyhedron2, how to do?

There will be a new function in CGAL-4.3 (whose beta release will be 
published 
mid-August) that will allow that.

> 2) if there are many common facets (triangles) in polyhedron1 and
> polyhedron2, how to use this function to let the CGAL generate meshes which
> are matched on the interface of two domains?

For that question, I do not know. There should be a preprocessing step that 
eliminate the duplicates among triangles.

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