<br><br><div class="gmail_quote">On Tue, Oct 26, 2010 at 11:41 AM, Andy Bauer <span dir="ltr"><<a href="mailto:andy.bauer@kitware.com">andy.bauer@kitware.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
The Gradient of Unstructured DataSet does provide a vorticity computation option but as the filter's name implies, it is only valid for grids that derive from vtkPointSet (vtkStructuredGrid, vtkUnstructuredGrid, vtkPolyData and maybe vtkLabelHierarchy).</blockquote>
<div> <br>That's true, but he can still use a filter (maybe Cell Centers) to convert it to a vtkUnstructuredGrid.</div></div>