[vtk-developers] vtkArrayCalculator / vtkFunctionParser

[Dominik Szczerba]

Hi,

I have made progress. I have ported vtkPythonProgrammableFilter
completely and vtkPythonCalculator needs only hopefully minor fixes. I
attach both files along with test scripts. The first one seems to work
as expected, the second still fails. What I did:

* removed all dependencies from PV
* moved the absolutely minimum required from the PV Python Interpretor
directly to the filters. This can be beautified to taste later (e.g.
the interpretor can be ported too).
* changed the internally invoked python scripts. This is where I am
not certain if I did it right and would use some guidance. Currently
the second script produces the error:

Traceback (most recent call last):
  File "<string>", line 9, in <module>
AttributeError: PointData

which confuses me quite a bit. Changing to GetPointData produces other errors.

Looking forward to your feedback,
Dominik
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