CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

You can use the combinatorial layer below every 2D-triangulation:
the Triangulation_data_structure_2:
http://www.cgal.org/Manual/latest/doc_html/cgal_manual/TDS_2/Chapter_main.html

But usually, it is simpler to use Polyhedron as it comes with
high level functionalities.

Sebastien.




On 02/08/2012 03:40 AM, Chris wrote:
> I want to find a data structure in CGAL that can represent orientable
> 2-manifolds triangle mesh.
>
> I mean i can conveniently construct a triangle mesh through inserting
> vertices , and the data structure
>
> can maintain the validity of the mesh. I have already known that Polyhedral
> can represent orientable
>
> 2-manifolds surface well , but I prefer to find a data structure like 3D
> Triangulations , I find the definition
>
> of SurfaceMeshComplex_2InTriangulation_3  in cgal manual  "The concept
>
> SurfaceMeshComplex_2InTriangulation_3 is
>
> particularly suited to handle surface meshes obtained as the restriction to
> a surface of a three dimensional
>
> Delaunay triangulation" , so I can't use it directly
>
> Does anyone know or meet this problem before?
>
> Thanks and best regards!
>
> Chris
>
>
>
>
> --
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