[Paraview] Input multiple arrays for processing in ProgrammableFilter

[Messner, Mark Christian]

Following the example in the wiki (https://www.paraview.org/Wiki/ParaView/Plugin_HowTo#Drop_down_list_with_values_from_input_arrays) I can add a dropdown to my xml plugin to grab an array to process with a programmable filter.  But I want to process two arrays.  How can I do this?  It's obviously related to the "idx" parameter of SetInputArrayToProcess in vtkAlgorithm but I can't figure out how to make the paraview GUI cooperate.


Thanks,


Mark
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