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Eleonora,<br>
<br>
The short answer to your question is "Yes."<br>
<br>
The follow-up question is "How does one get PV to do it."<br>
<br>
First, ParaView can read one or more datum sets, one or more times,
and each datum set can have a different format. PV can then display
any combination of datum sets in any number of windows (until your
RAM has been filled). <br>
<br>
I am not sure I understand what you expect in the final display, but
I will assume that you want to create some kind of side-by-side
display. Let's start with a simple case.<br>
<br>
I will assume you have results from two different simulations using
the same mesh in each simulation, D1 & D2. The results from D1
is to be used for y>0.0, and the results from D2 is to be used
for y<0.0<br>
<br>
Read in D1; add PV filter CLIP; select 'Y Normal' and click on
Apply. (If the displayed D1 data is for y<0, mark the check box
'Inside Out' and select Apply again.)<br>
<br>
Read in D2; add the PV filter Clip; select Y Normal' and click on
Apply with the opposite side designated in the 'Inside Out' box. <br>
<br>
At this stage you should have a side-by-side display of the two
objects -- "half" of object D1 above y=0 and "half" of object D2
below y=0.<br>
<br>
If your datum sets are very large relative to the capacity of your
workstation, you can use PV's Slice filter in place of the PV's Clip
filter.<br>
<br>
As a further step you can animate the Clipp/Slice plane to have the
cutting plane move from front to back. At this point you should
consult the PV manual found here<br>
<br>
<a class="moz-txt-link-freetext" href="http://www.paraview.org/paraview-downloads/download.php?submit=Download&version=v4.3&type=data&os=all&downloadFile=TheParaViewGuide-v4.3-CC-Edition.pdf">http://www.paraview.org/paraview-downloads/download.php?submit=Download&version=v4.3&type=data&os=all&downloadFile=TheParaViewGuide-v4.3-CC-Edition.pdf</a><br>
<br>
Samuel W Key<br>
FMA Development, LLC<br>
1005 39th Ave NE<br>
Great Falls, Montana 59404<br>
USA<br>
<br>
<br>
<br>
<br>
<div class="moz-cite-prefix">On 3/15/2015 10:04 AM, Eleonora
Piersanti wrote:<br>
</div>
<blockquote
cite="mid:282902736.8261653.1426435448248.JavaMail.yahoo@mail.yahoo.com"
type="cite">
<div style="color:#000; background-color:#fff;
font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial,
Lucida Grande, sans-serif;font-size:12px">
<div dir="ltr" id="yui_3_16_0_1_1426438857993_2287">Hi all,</div>
<div id="yui_3_16_0_1_1426438857993_2324" dir="ltr">I have two
.vtk files with two velocity fields. I would like to select
the upper part (y>0) from one file and the lower part from
the other one and then to merge them. Is it possible to do
this? <br>
</div>
<div id="yui_3_16_0_1_1426438857993_2397" dir="ltr">Thank you,</div>
<div id="yui_3_16_0_1_1426438857993_2398" dir="ltr">E.<br>
</div>
</div>
<br>
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