[Paraview] vtkClipDataSet in a programmable filter

[Xavier Garnaud]

Dear Cory,

Thank you for your help.
In my case, this does not work and I get the following error message:

Traceback (most recent call last):

File "<string>", line 22, in <module>

File "<string>", line 12, in RequestData

TypeError: SetInputData argument 1: method requires a VTK object

Maybe it is related to the fact that when I create the first programmable
filter, I get this error message:
[image: Inline image 1]

I use Paraview 5.4.1 on windows (I get the same behavior with Paraview
5.3.0)

Best regards,

Xavier

On Wed, Aug 30, 2017 at 7:38 PM, Cory Quammen <cory.quammen at kitware.com>
wrote:

> This works for me in 5.4.1:
>
> import vtk
>
> plane = vtk.vtkPlane()
> plane.SetOrigin(0, 0, 0)
> plane.SetNormal(0, 1, 0)
>
> clip = vtk.vtkClipDataSet()
> clip.SetClipFunction(plane)
> clip.SetInputData(self.GetInput())
> clip.Update()
>
> self.GetOutput().DeepCopy(clip.GetOutput())
>
> Make sure you set the "Output Data Set Type" to "vtkUnstructuredGrid"
> before you first hit Apply. I believe there is a bug that does not let
> you change the output data set type after you first click Apply.
>
> HTH,
> Cory
>
> On Wed, Aug 30, 2017 at 10:27 AM, Xavier Garnaud <xgarnaud at gmail.com>
> wrote:
> > Dear all,
> >
> > I'd like to use the vtkClipDataSet in a programmable filter, but I can't
> > find it it paraview.vtk, and the function from vtk does not seem to
> work. (I
> > am using Paraview 5.2 or 5.4 on windows).
> > Is the function available, or is there another way to perform the clip?
> >
> > Best regards,
> >
> > Xavier
> >
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>
> --
> Cory Quammen
> Staff R&D Engineer
> Kitware, Inc.
>
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