Sorry, nevermind. It turns out I already had an 'Ids' array on my surface and Generate Ids by default doesn't overwrite it. When specifying a different name, it works as expected.
On Mon, Oct 30, 2017 at 7:17 PM, Evan Kao <tos...@gmail.com> wrote: > Hello all, > > I'm not sure if this is a bug, but the Generate Ids filter in Paraview is > acting in an unexpected manner (currently using Paraview 5.4.0 installed > from Windows binaries). For some reason, it generates point IDs higher > than the number of points on the surface. The surface was extracted from a > larger surface using the threshold filter. So the pipeline is: > > - Original Surface (19315 points) => Threshold Filter => Thresholded > Surface (13383 points) > - Thresholded Surface => Generate Ids Filter => Ids array has max Id > of 19049 > > I also tested this in the Programmable Filter using vtkIdFilter. This > gave me a different result, the one I expected, where the max Id is 13382. > Since the underlying VTK class to Generate Ids seems to be vtkIdFilter, > this seems really strange. > > Should this be the case and if yes, why? Is there a way to force Generate > Ids to act like vtkIdFilter? > > Thanks for your time, > Evan Kao >
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