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Before starting

Ensure that you have performed the steps from the "Getting Started" section of ParaView/Python Scripting. More concretely, you must have setup the environment variable PYTHONPATH to the indicated initial value to avoid some missing packages when using Programmable Filters.


You must add this to your .bashrc to run anything in a ProgrammableFilter.

export PYTHONPATH=$PYTHONPATH:/home/doriad/bin/ParaView/Utilities/VTKPythonWrapping/site-packages #fixes "no module named paraview"
export PYTHONPATH=$PYTHONPATH:/home/doriad/bin/ParaView/bin #fixes "ImportError: No module named libvtkCommonPython"

Note that for older versions of ParaView the first line may need to be replaced by:

export PYTHONPATH=$PYTHONPATH:/home/doriad/bin/ParaView/Utilities/VTKPythonWrapping


If you get one of this errors:

ImportError: No module named paraview
ImportError: No module named vtkCommonCorePython

Ensure that you have these three folders in your PYTHONPATH environment variable:


Depending on your build, the folder C:\ParaView-v4.2.0-build\lib may not contain the *.libs files, in those cases the folder you need to add is the one corresponding to the configuration you used when building ParaView: