CGAL users discussion list

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

Le Tuesday 06 January 2015 07:10:40 Shiu Fai Li a écrit :
> Hi,
> 
> I have a set of volumetric mesh data with surface boundaries already
> defined, just like the typical example in the 3D mesh generation.
> Specifically, I have a set of tetrahedrons representing the volume, and
> facets of the tets are defined by surface ID, (ID1, ID2). However, this is
> data generated outside of CGAL, and I would like to read them in to
> a CGAL::Mesh_complex_3_in_triangulation_3<> data structure for further
> processing. Would there already be functions to do this with some standard
> file formats?

Hi. I am sorry but there is probably no chance that you can load your set of 
tetrahedrons in a CGAL::Mesh_complex_3_in_triangulation_3. That CGAL data 
structure needs the tetrahedrization to have only Delaunay tetrahedrons, and 
you existing mesh is probably not a Delaunay mesh.

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