[vtkusers] unordered mesh

Mike Jackson imikejackson at gmail.com
Thu Apr 3 13:56:37 EDT 2008


http://www.vtk.org/doc/nightly/html/classvtkExtractEdges.html

maybe?

--  
Mike Jackson   Senior Research Engineer
Innovative Management & Technology Services


On Apr 3, 2008, at 1:27 PM, Laurent Paul wrote:
>
> Hi all!
>
> I am currently working with polygonal mesh. I try to extract a  
> subset of cells from a mesh. From a point defined in
> the whole space by its xyz coordinates, I get cells which have this  
> point in common doing:
>
> m_Mesh->GetPointCells(m_Mesh->FindPoint(xyz), CellsList);
>
> It works great. My problem is that the mesh, created using  
> Delaunay3D,  is not ordered. Thus cells are created inside
> the mesh (in fact my mesh  is a sphere for the moment).
> This is a problem for my application. I would like to get only  
> cells  that appear on the surface. So I'm looking for a
> filter to remove  "inside" cells, or to pre-order points to perform  
> a clean delaunay  triangulation.
> Which wonderfull filter could achieve this?
>
> Thanks,
>
> Laurent.
>
>
>
>
>
> _______________________________________________
> This is the private VTK discussion list.
> Please keep messages on-topic. Check the FAQ at: http://www.vtk.org/ 
> Wiki/VTK_FAQ
> Follow this link to subscribe/unsubscribe:
> http://www.vtk.org/mailman/listinfo/vtkusers




More information about the vtkusers mailing list