Thanks John. <div>I don't mind, just that I have reproduce hundreds of gygabytes in vtu format. :-)</div><div>I learn patience I guess. </div><div><br></div><div>Best, </div><div>Mohamad</div><div><br><div><br><div class="gmail_quote">
On Wed, Apr 18, 2012 at 11:19 PM, Biddiscombe, John A. <span dir="ltr"><<a href="mailto:biddisco@cscs.ch">biddisco@cscs.ch</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div lang="EN-GB" link="blue" vlink="purple">
<div>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">If using a VTU works and a VTR crashes, then it’s definitely a bug.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">I’ve been working on temporal fixes for a long time (i.e. not working hard), and eventually I will commit something that resolves this, but in the meantime,
you should use vtu.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">JB<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> <a href="mailto:paraview-bounces@paraview.org" target="_blank">paraview-bounces@paraview.org</a> [mailto:<a href="mailto:paraview-bounces@paraview.org" target="_blank">paraview-bounces@paraview.org</a>]
<b>On Behalf Of </b>Mohamad M. Nasr-Azadani<br>
<b>Sent:</b> 18 April 2012 22:09<br>
<b>To:</b> Burlen Loring<br>
<b>Cc:</b> <a href="mailto:paraview@paraview.org" target="_blank">paraview@paraview.org</a><br>
<b>Subject:</b> Re: [Paraview] Particle tracer<u></u><u></u></span></p><div><div class="h5">
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Hi Burlen, <u></u><u></u></p>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">I am hoping that Utkarsh could help figure things out. <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">If you elaborate more on what you do and what happens, I could at least share my experience. <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">I use *.vtr type files to generate particle trace and pathlines. <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">The problem I have/had is that as soon as I apply any Temporal Filter to the *.vtr file series, it either gives me error message or crashes. <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">I was very very very lucky that I found out that for the same dataset, if I use *.vtu format, no problems or crashing occurred. So, for now, I just used a Clip filter to extract my data into a *.vtu format and rewrite them, re-read them
and do the ParticleTrace and ParticlePathlines. <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">That was my experience. <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">Let me know if I could be of any help. <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">Good luck, <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">Mohamad<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-bottom:12.0pt"><u></u> <u></u></p>
<div>
<p class="MsoNormal">On Wed, Apr 18, 2012 at 11:15 AM, Burlen Loring <<a href="mailto:bloring@lbl.gov" target="_blank">bloring@lbl.gov</a>> wrote:<u></u><u></u></p>
<div>
<p class="MsoNormal">Hi Mohamad,<br>
<br>
I've been quietly following this thread in hopes that your interest in particle tracing will spark a response from the developers. I was unable to generate pathlines in image data in vti format I beleive I was using 3.10.0 at the time. It was not clear to me
if there was a bug or if I had the pipeline built incorrectly out of my own ignorance on how this works in PV. I posted a question with test data hoping for some advise,
<a href="http://paraview.markmail.org/message/ek67niwr7xagaajz?q=burlen+order:date-backward&page=15" target="_blank">
http://paraview.markmail.org/message/ek67niwr7xagaajz?q=burlen+order:date-backward&page=15</a> however I did not receive any reply.<br>
<br>
Burlen<u></u><u></u></p>
<div>
<div>
<p class="MsoNormal"><br>
<br>
On 04/07/2012 05:28 AM, Mohamad M. Nasr-Azadani wrote: <u></u><u></u></p>
</div>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<div>
<p class="MsoNormal">I apologize for some mistakes. <u></u><u></u></p>
<div>
<p class="MsoNormal">The Powerpoint I was refering to can be found here. <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal"><b><span style="font-family:"Arial","sans-serif";color:#009933">paraview</span></b><span style="font-family:"Arial","sans-serif";color:#009933">.org/Wiki/images/2/20/IEEE08_<b>Time-In-ParaView</b>.ppt</span><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">Best, <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">Mohamad<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<div>
<p class="MsoNormal">On Sat, Apr 7, 2012 at 5:22 AM, Mohamad M. Nasr-Azadani <<a href="mailto:mmnasr@gmail.com" target="_blank">mmnasr@gmail.com</a>> wrote:<u></u><u></u></p>
<p class="MsoNormal">Hi all, <u></u><u></u></p>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">This is what I doing: <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">1- Load the PVD file (which holds the real time information associated with each *.vtr file)<u></u><u></u></p>
</div>
<div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal"><?xml version="1.0"?><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"> <VTKFile type="Collection" version="0.1" byte_order="LittleEndian" compressor="vtkZLibDataCompressor"> <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"> <Collection><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"> <DataSet timestep="0.0" group="" part="0" file="vel_vec_0.vtr"/><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"> <DataSet timestep="0.2" group="" part="0" file="vel_vec_1.vtr"/><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"> <DataSet timestep="0.4" group="" part="0" file="vel_vec_2.vtr"/><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"> <DataSet timestep="0.6" group="" part="0" file="vel_vec_3.vtr"/><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"> <DataSet timestep="0.8" group="" part="0" file="vel_vec_4.vtr"/><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"> <DataSet timestep="1.0" group="" part="0" file="vel_vec_5.vtr"/><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"> <DataSet timestep="1.2" group="" part="0" file="vel_vec_6.vtr"/><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"> <DataSet timestep="1.4" group="" part="0" file="vel_vec_7.vtr"/><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"> <DataSet timestep="1.6" group="" part="0" file="vel_vec_8.vtr"/><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"> <DataSet timestep="1.8" group="" part="0" file="vel_vec_9.vtr"/><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"> <DataSet timestep="2.0" group="" part="0" file="vel_vec_10.vtr"/><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"> </Collection><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"></VTKFile><u></u><u></u></p>
</div>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">2- Click on my data and create a "Temporal Cache" with "Cache Size=2". <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">3- From "Sources", I create a "Line". <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">4- Click on TemporalCache1 and create a ParticleTracer. <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"> When the menu pops up, I choose <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"> a) Input: TemporalCache1<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"> b) Source: Line1<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"> Right after I click Ok, this is the message I get (note that this message is shown even before giving me the chance to change any flags on the "Properties" section related to the "ParticleTracer1".<u></u><u></u></p>
</div>
<div>
<table border="0" cellpadding="0" style="margin-left:3.0pt">
<tbody>
<tr>
<td style="padding:.75pt .75pt .75pt .75pt">
<p style="margin:0cm;margin-bottom:.0001pt"><span style="font-size:9.0pt;font-family:Courier;color:maroon">/home/utkarsh/Kitware/superbuild/paraview/src/paraview/VTK/Filtering/vtkStreamingDemandDrivenPipeline.cxx, line 934</span><u></u><u></u></p>
<p style="margin:0cm;margin-bottom:.0001pt"><span style="font-size:9.0pt;font-family:Courier;color:maroon">vtkPVPostFilterExecutive (0x4db4870): No maximum number of pieces has been set in the information for output port 0 on algorithm vtkPVPostFilter(0x4777fd0).</span><u></u><u></u></p>
</td>
</tr>
</tbody>
</table>
</div>
<div>
<p class="MsoNormal">Luckily, Paraview does not crash and I can continue. <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">After doing some research, I am guessing that this has something to do with the time conflicts (Pipeline fed into the filter and the animation viewer time). <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal"><b>Observation:</b> Right after I create the ParticleTracer and receive the error message, the time shown in the animation viewer is increased from "0.0" to "0.2". Why? <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">5- Recommended by the powerpoint, I set <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"> a) Time Step: True (1) <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"> b) Ignore Pipeline Time: True (1)<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">6- Now, I use "Animation View" as directed by the same powerpoint to feed the time into the ParticleTracer1 filter. <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"> a) Mode: Sequence<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"> b) Create a keyframe for "ParticleTracer1". Double click on the bar and set: <u></u><u></u></p>
</div>
<div>
<div>
<p class="MsoNormal"> 1: time: 0.2, (interpolation ramp), value: 1<u></u><u></u></p>
</div>
</div>
<div>
<div>
<p class="MsoNormal"> 2: time: 1.8, (), value: 9 <u></u><u></u></p>
</div>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">Note: I have varied all the combinations listed above to include/exclude the last/first steps. No luck! Nothing really happening. <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"> <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">7- Play animation. Result: nothing happening? What is going on? <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal"><b>Observation: Using Paraview 3.8, I could see the animation without adjusting any parameters in the "Animation View" menu. Just the annoying error message was shown. However, I could do the same thing with Paraview 3.14, but it crashes
after a few timesteps. </b><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">Anybody could share some hints on how to go about this? <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">Thanks, <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">Mohanad<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal"> <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
</div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
</div>
</div>
<pre><u></u> <u></u></pre>
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</blockquote>
<p class="MsoNormal"><u></u> <u></u></p>
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</div>
<p class="MsoNormal"><u></u> <u></u></p>
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</blockquote></div><br></div></div>