[Paraview] Can ParaView create "envelope" or cumulative maximums

[Dennis Conklin]

Jean,

Manipulating time inside pipeline objects is explained pretty well here:

http://www.kitware.com/blog/home/post/989

Dennis

From: Dennis Conklin
Sent: Friday, December 04, 2015 11:08 AM
To: 'paraview at paraview.org' <paraview at paraview.org>
Cc: Alan Scott (wascott at sandia.gov) <wascott at sandia.gov>
Subject: [Paraview] Re: Can ParaView create "envelope" or cumulative maximums

Alan,

My first thought is to run Temporal Statistics with Maximum selected and paint by that.  Is that not working?

Dennis


Incidentally, I tried to achieve this with a Python programmable filter since
that was Alan's question.

I did not succeed. I am removing the TIME_STEPS() and TIME_RANGE() in the
RequestInformationScript script. I am setting a different UPDATE_TIME_STEP() at
each iteration of the RequestUpdateExtentScript. I am setting
CONTINUE_EXECUTING() in the main Script, but ParaView just does not loop after
the first iteration.

I have the feeling I am not setting CONTINUE_EXECUTING on the right object.
Question:

how does one get the request object from the executive? When I look at C code, I
see

int vtkTemporalStatistics::RequestData(vtkInformation *request, vtkInformationVector **inputVector, vtkInformationVector *outputVector) { ... request->Set(vtkStreamingDemandDrivenPipeline::CONTINUE_EXECUTING(), 1) ... }

What is the equivalent in Python within a ProgrammableFilter()?

Jean/CSCS

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