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Thanks Utkarsh for your reply. I've gone through the blog a few
times already but I still don't understand the whole procedure. I
even tried to just run the example in the blog in a Programmable
Source but it doesn't work ('No module named numpy_interface'). Part
of the issue could be that I still don't fully understand the
RequestInformation, RequestUpdateExtent, and RequestData bits of the
filter.<br>
<br>
The input data that I'm working on in the pipeline (vtk unstructured
grid) already have different time steps. How can I update the values
of the inputs for the different time steps? <br>
<br>
Thank you,<br>
Omid<br>
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<div class="moz-cite-prefix">On 14-12-16 05:26 PM, Utkarsh Ayachit
wrote:<br>
</div>
<blockquote
cite="mid:CADHSJjCb9myU4MVqXheNurLWn3-V-MrGSFhtjZs6ZX1JXGQMsw@mail.gmail.com"
type="cite">
<div dir="ltr">Check this blog: <a moz-do-not-send="true"
href="http://www.kitware.com/blog/home/post/783">http://www.kitware.com/blog/home/post/783</a>
<div>It should give you information on what you need to put in
the Scripts for various passes of the filter.</div>
<div><br>
</div>
<div>Utkarsh<br>
<div><br>
</div>
</div>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Tue, Dec 16, 2014 at 5:12 PM, Omid
Mahabadi <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:omid.mahabadi@geomechanica.com"
target="_blank">omid.mahabadi@geomechanica.com</a>></span>
wrote:
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000"> Hi,<br>
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:<br>
<blockquote>from vtk import
vtkStreamingDemandDrivenPipeline<br>
for time in
outInfo.Get(vtkStreamingDemandDrivenPipeline.TIME_STEPS()):<br>
#Perform some analysis, for instance subtracting
value_v for this time from value_v at time zero... <br>
</blockquote>
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.<br>
<br>
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? <br>
<br>
Many thanks,<br>
Omid </div>
<br>
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<br>
<pre class="moz-signature" cols="72">--
Omid Mahabadi, Ph.D.
Geomechanica, Inc.
<a class="moz-txt-link-freetext" href="http://www.geomechanica.com/">http://www.geomechanica.com/</a>
Tel : +1-647-478-9767
Cell: +1-416-824-2408
</pre>
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