On Tue, Aug 16, 2011 at 11:01 AM, Adriano Gagliardi <agagliardi at ara.co.uk> wrote: > > Dear All, > > Is there a filter in VTK that will remove any unused points in vtkPolyData > but retain the cell ordering? > > Thanks, > > Adriano Have you tried vtkCleanPolyData? http://www.vtk.org/doc/nightly/html/classvtkCleanPolyData.html David