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<p>Thanks Andy. I could try to implement a Programmable filter
because even if i able to use Threshold filter it is hard to track
multiple region produced by Threshold filter separately. <br>
</p>
<p>--ufuk<br>
</p>
<div class="moz-cite-prefix">On 23.04.2018 09:54, Andy Bauer wrote:<br>
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<blockquote type="cite"
cite="mid:CAMaOp+GYfV8_xd4mX=dDGk5d6KvbxH+PAz1awWrzR1axvSe4BA@mail.gmail.com">
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<div>Hi Ufuk,<br>
<br>
</div>
The threshold filter operates on scalar/single component
arrays only. Also, underneath the covers it operates on
cell data exclusively so if you request thresholding on
point data it will do a point data to cell data operation
as well.<br>
<br>
</div>
I'm not aware of any filters in PV that would allow you to
track a thresholded quantity. Unfortunately I can't think of
any moderately easy way to do this in PV either. <br>
<br>
</div>
Best,<br>
</div>
Andy<br>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Fri, Apr 20, 2018 at 4:40 PM, Ufuk
Turuncoglu <span dir="ltr"><<a
href="mailto:u.utku.turuncoglu@be.itu.edu.tr"
target="_blank" moz-do-not-send="true">u.utku.turuncoglu@be.itu.edu.tr</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">I could
have vorticty as a new variable by using PythonCalculator.
now, i need to follow points extracted from vorticity field
in time and create poly line. so, I tried particle tracer
and particle path bu no luck yet!<br>
<br>
Regards,<br>
<br>
--ufuk<br>
<div class="HOEnZb">
<div class="h5"><br>
----- Original Message -----<br>
From: "Ufuk Utku Turuncoglu (BE)" <<a
href="mailto:u.utku.turuncoglu@be.itu.edu.tr"
moz-do-not-send="true">u.utku.turuncoglu@be.itu.edu.<wbr>tr</a>><br>
To: "paraview" <<a
href="mailto:paraview@paraview.org"
moz-do-not-send="true">paraview@paraview.org</a>><br>
Sent: Friday, April 20, 2018 3:09:35 PM<br>
Subject: [Paraview] extract voriticy and follow it in
time<br>
<br>
Hi,<br>
<br>
I would like to use Threshold filter for Vorticity field
calculated by <br>
ComputeDreivatives but in the variables list i could not
see Vorticity <br>
field. So, is it possible to do it with any other way
such as <br>
programmable filter etc. If i extract it from the whole
data, then, i <br>
would like to follow it to create polyline that
represent path of the <br>
selected region. So, is there any simple way to do that?<br>
<br>
Best Regards,<br>
<br>
--ufuk<br>
<br>
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