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<p class="MsoNormal"><span style="font-family:"Times New Roman",serif">Howdy!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman",serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman",serif">Thanks for the suggestion but I am looking for a more GUI based rendering using VisIt (or) ParaView.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman",serif">With Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman",serif">Sai Sandeep Dammati, Ph.D.,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman",serif">Postdoctoral Research Associate,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman",serif">School of Mechanical, Aerospace, and Manufacturing Engineering,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman",serif">University of Connecticut,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Times New Roman",serif">Storrs, CT – 06269.</span><span style="font-family:"Times New Roman",serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman",serif"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span style="color:black">From:
</span></b><span style="color:black">Ryan Farber <rjfarber@umich.edu><br>
<b>Date: </b>Thursday, July 11, 2024 at 17:57<br>
<b>To: </b>Dammati, Sai Sandeep <saisandeepdammati@uconn.edu><br>
<b>Cc: </b>flash-users@flash.rochester.edu <flash-users@flash.rochester.edu><br>
<b>Subject: </b>Re: [FLASH-USERS] FLASH VisIt Visualization - Question<o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:12.0pt;background:#FFEB9C"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black">*Message sent from a system outside of UConn.*<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Howdy :)<br>
<br>
I'm not sure about visit.<br>
But you can use yt: <a href="https://yt-project.org/">https://yt-project.org/</a><br>
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It's as easy as<br>
1. pip install yt <o:p></o:p></p>
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2.<br>
#!/bin/python3<o:p></o:p></p>
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<p class="MsoNormal">import yt; yt.enable_parallelism()<o:p></o:p></p>
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<p class="MsoNormal">ds = yt.load("PATH/TO/FILE")<o:p></o:p></p>
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<p class="MsoNormal">yt.SlicePlot(ds, "z", "density", origin="native").save()<br>
<br>
3.<br>
mpirun -np 512 name_of_yt_script.py<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Best wishes,<br clear="all">
<o:p></o:p></p>
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<p class="MsoNormal">-------- <o:p></o:p></p>
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<p class="MsoNormal">Ryan<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Thu, Jul 11, 2024 at 2:50<span style="font-family:"Arial",sans-serif"> </span>PM Dammati, Sai Sandeep <<a href="mailto:saisandeepdammati@uconn.edu">saisandeepdammati@uconn.edu</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Times New Roman",serif">Howdy!</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Times New Roman",serif"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Times New Roman",serif">I am a new user to FLASH. I am planning to run a 2D simulation with
<b>half a million meshblocks</b> with a fixed <b>size of 64x64x1</b> cells using Paramesh. I plan to use FLASH’s HDF5 format for visualization in VisIt. From a visualization standpoint, I want to know how many output files per frame do I need to write the HDF5
output so that I can comfortably visualize the simulation data in VisIt using the FLASH database plugin.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Times New Roman",serif"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Times New Roman",serif">I have previously tried a 2D sod problem with 130760 meshblocks (of fixed size 64x64 cells) and tried to write a
<b>single output file</b>, however, when I tried to visualize this single output file in VisIt 3.3.2 using the FLASH plugin with 512 cores, the file opens but when I do a simple pseudocolor of density, it just hangs and never renders the plot.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Times New Roman",serif"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Times New Roman",serif">Can you please provide me some input on how to visualize large HDF5 datasets from FLASH in VisIt?</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Times New Roman",serif"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Times New Roman",serif">Thank you very much.</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Calibri",sans-serif"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Calibri",sans-serif"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Times New Roman",serif">With Regards,</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Times New Roman",serif">Sai Sandeep Dammati, Ph.D.,</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Times New Roman",serif">Postdoctoral Research Associate,</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Times New Roman",serif">School of Mechanical, Aerospace, and Manufacturing Engineering,</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Times New Roman",serif">University of Connecticut,</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Times New Roman",serif">Storrs, CT – 06269.</span><o:p></o:p></p>
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