CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

Your triangle soup is probably non-manifold. Can you share it?

Sebastien.

On 07/23/2016 07:02 PM, rabm1993 wrote:
> Hello,
>
> I have been trying to write code that, given a vertex and element list,
> builds a CGAL::Polyhedron_3. I am using the code from:
> http://jamesgregson.blogspot.com/2012/05/example-code-for-building.html.
>
> I first mesh a sphere, then I attempt to use the above code to generate the
> Polyhedron_3. However, I get the following error:
>
> CGAL::Polyhedron_incremental_builder_3<HDS>::
> lookup_halfedge(): input error: facet 11 shares a halfedge from vertex 17 to
> vertex 33 with facet 10.
> Segmentation fault: 11
>
> What's going on? When I place the sphere in a .OFF file and pass it to the
> example program Mesh_an_implicit_mesh.cpp, there is no problem. However, I
> would like to pass the vertex and element list directly and thus have to
> build the Polyhedron_3 myself.
>
> Thanks!
>
>
>
> --
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> http://cgal-discuss.949826.n4.nabble.com/lookup-halfedge-error-with-building-Polyhedron-3-tp4662090.html
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