[Paraview] Programmable filter, looping over time steps and reimporting inputs

[Utkarsh Ayachit]

Check this blog: http://www.kitware.com/blog/home/post/783
It should give you information on what you need to put in the Scripts for
various passes of the filter.

Utkarsh


On Tue, Dec 16, 2014 at 5:12 PM, Omid Mahabadi <
omid.mahabadi at geomechanica.com> wrote:
>
>  Hi,
> I'm writing a python script for the Programmable Filter of ParaView to do
> some analysis on my simulation results. The simulations results are
> transient and hence the analysis has to be done over time steps (perhaps
> similar to integrate over time filter). All bits of my script are working
> fine. However, after spending a considerable amount of time on fiddling
> with the script, googling, reading mailing lists and the VTK documentation,
> I haven't found a way to "loop over time steps AND update the input" from
> within the script. I can loop over time steps using:
>
> from vtk import vtkStreamingDemandDrivenPipeline
> for time in outInfo.Get(vtkStreamingDemandDrivenPipeline.TIME_STEPS()):
>     #Perform some analysis, for instance subtracting value_v for this time
> from value_v at time zero...
>
> However, the input data is still from the time step where I first applied
> the script. Of course, when I animate the results, the inputs will be
> updated, but I will need to achieve the same results from within my script
> in the Programmable Filter dialogue.
>
> How can I update the inputs from within my for loop or how can I modify
> the for loop or my script to achieve that? Can Programmable Filter handle
> my situation? If not, what is the alternative?
>
> Many thanks,
> Omid
>
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