[Paraview] python programmable filters with no output in ParaView?

[Pierre JUILLARD]

Hi all,

I would like to know if there is a way to have a python programmable flter
without output in ParaView, that is to say, having an additional entry
"none" when the "Output DataSet Type is requested in the ParaView python
programmable filter GUI?
For instance, is it possible to have a python programmable filter computing
the whole volume of a 3D mesh (making use of
vtkMassProperties<http://www.vtk.org/doc/nightly/html/classvtkMassProperties.html>for
instance) which would thus returns a single scalar.
Such a result could then be displayed or saved in a result file, but not new
vtk data or grid would be generated...

I thank you in advance for your comments.
Cheers,


Pierre
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