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<div>Yes.</div>
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<span style="font-weight:bold">From: </span>Maryam <<a href="mailto:maryam.azarpira@yahoo.com">maryam.azarpira@yahoo.com</a>><br>
<span style="font-weight:bold">Reply-To: </span>Maryam <<a href="mailto:maryam.azarpira@yahoo.com">maryam.azarpira@yahoo.com</a>><br>
<span style="font-weight:bold">Date: </span>Thursday, May 15, 2014 12:16 PM<br>
<span style="font-weight:bold">To: </span>Kenneth Moreland <<a href="mailto:kmorel@sandia.gov">kmorel@sandia.gov</a>>, "<a href="mailto:paraview@paraview.org">paraview@paraview.org</a>" <<a href="mailto:paraview@paraview.org">paraview@paraview.org</a>><br>
<span style="font-weight:bold">Subject: </span>[EXTERNAL] Re: [Paraview] generate streamlines of lagrangian particles<br>
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<span class="" style="">I am highly grateful of you Ken, because of your </span><span style="font-size: 14pt;" class="">guidance and</span><span style="background-color: transparent;" class=""> aids.</span></div>
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<span style="background-color: transparent;" class="">I have been succeeded to get stream line by "Delaunay 3D" and "Stream tracer" filter.</span></div>
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<span style="background-color: transparent;" class="">also, my purpose of getting the stream lines is obtaining an eulerian image of my model to get more details.</span></div>
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<span class="" style="">and another question: Could i apply specific filters for cell data such as contour, if i use the "Delaunay 3D" filter?</span></div>
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<div dir="ltr" class="" style=""><font size="2" face="Arial" class="" style="">On Thursday, May 15, 2014 7:34 PM, "Moreland, Kenneth" <<a href="mailto:kmorel@sandia.gov">kmorel@sandia.gov</a>> wrote:<br class="" style="">
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<div class="" style="">(Responding back to the mailing list so everyone can see the answers.)</div>
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<div class="" style="">If I understand your response correctly, your data is a collection of particles. ParaView cannot immediately create streamlines from these data because most of volume is empty space. I assume you have velocity for the particles, but everything
that is not exactly on a particle has an undefined velocity.</div>
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<div class="" style="">You could estimate the velocity everywhere by imposing a mesh on top of the particles. The most straightforward way to do this is to run the Delaunay 3D filter.</div>
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<div class="" style="">I have to say, though, I'm still confused about why you want to do this. You are asking ParaView to estimate the velocity field and then estimate a particle advection on that velocity field. That sounds extremely inaccurate compared to
particles the simulation as advected in the first place. I would expect the pathlines filter to give a much better representation of the flow.</div>
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<div class="" style="">-Ken</div>
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<span style="font-weight:bold;" class="">From: </span>Maryam <<a rel="nofollow" shape="rect" ymailto="mailto:maryam.azarpira@yahoo.com" target="_blank" href="mailto:maryam.azarpira@yahoo.com" class="" style="">maryam.azarpira@yahoo.com</a>><br clear="none" class="" style="">
<span style="font-weight:bold;" class="">Date: </span>Wednesday, May 14, 2014 4:29 PM<br clear="none" class="" style="">
<span style="font-weight:bold;" class="">To: </span>Kenneth Moreland <<a rel="nofollow" shape="rect" ymailto="mailto:kmorel@sandia.gov" target="_blank" href="mailto:kmorel@sandia.gov" class="" style="">kmorel@sandia.gov</a>><br clear="none" class="" style="">
<span style="font-weight:bold;" class="">Subject: </span>[EXTERNAL] Re: [Paraview] generate streamlines of lagrangian particles<br clear="none" class="" style="">
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<div class="" style=""><span style="" class="">Yes, i have the 3D </span><span style="font-style:inherit;font-variant:inherit;" class="">cylindrical fluid that have been modeled with lagrangian particles. And the data format is VTK.</span><span style="" class=""><br clear="none" class="" style="">
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<span style="" class="">Sent from my iPad</span></div>
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On May 15, 2014, at 2:48 AM, "Moreland, Kenneth" <<a rel="nofollow" shape="rect" ymailto="mailto:kmorel@sandia.gov" target="_blank" href="mailto:kmorel@sandia.gov" class="" style="">kmorel@sandia.gov</a>> wrote:<br clear="none" class="" style="">
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<div class="" style="">I'm definitely missing something, because making streamlines on a vector field should just work. Can you describe your data? For example, do you have a volume made up of 3D cells? Do you have a bunch of particles moving around in space?</div>
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<div class="" style="">-Ken</div>
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<span style="font-weight:bold;" class="">From: </span>Maryam <<a rel="nofollow" shape="rect" ymailto="mailto:maryam.azarpira@yahoo.com" target="_blank" href="mailto:maryam.azarpira@yahoo.com" class="" style="">maryam.azarpira@yahoo.com</a>><br clear="none" class="" style="">
<span style="font-weight:bold;" class="">Date: </span>Wednesday, May 14, 2014 4:05 PM<br clear="none" class="" style="">
<span style="font-weight:bold;" class="">To: </span>Kenneth Moreland <<a rel="nofollow" shape="rect" ymailto="mailto:kmorel@sandia.gov" target="_blank" href="mailto:kmorel@sandia.gov" class="" style="">kmorel@sandia.gov</a>><br clear="none" class="" style="">
<span style="font-weight:bold;" class="">Subject: </span>[EXTERNAL] Re: [Paraview] generate streamlines of lagrangian particles<br clear="none" class="" style="">
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<div class="" style="">Yes, i want the stream tracer but when i apply this filter or particle tracer filter they do not work.<br clear="none" class="" style="">
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Sent from my iPad</div>
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On May 15, 2014, at 2:27 AM, "Moreland, Kenneth" <<a rel="nofollow" shape="rect" ymailto="mailto:kmorel@sandia.gov" target="_blank" href="mailto:kmorel@sandia.gov" class="" style="">kmorel@sandia.gov</a>> wrote:<br clear="none" class="" style="">
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<div class="" style="">I don't understand what you mean by that. If you mean you want the streamlines that treat the vector field as a static field at a particular time step, use the Stream Tracer filter. It's on the common filters toolbar. If you mean you
want the traced streams up to that point, then step your current setup with the Temporal Particles ToPathlines filter to the step you want.</div>
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<div class="" style="">-Ken</div>
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<span style="font-weight:bold;" class="">From: </span>Maryam <<a rel="nofollow" shape="rect" ymailto="mailto:maryam.azarpira@googlemail.com" target="_blank" href="mailto:maryam.azarpira@googlemail.com" class="" style="">maryam.azarpira@googlemail.com</a>><br clear="none" class="" style="">
<span style="font-weight:bold;" class="">Date: </span>Wednesday, May 14, 2014 3:53 PM<br clear="none" class="" style="">
<span style="font-weight:bold;" class="">To: </span>Kenneth Moreland <<a rel="nofollow" shape="rect" ymailto="mailto:kmorel@sandia.gov" target="_blank" href="mailto:kmorel@sandia.gov" class="" style="">kmorel@sandia.gov</a>><br clear="none" class="" style="">
<span style="font-weight:bold;" class="">Subject: </span>[EXTERNAL] Re: [Paraview] generate streamlines of lagrangian particles<br clear="none" class="" style="">
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<div class="" style="">Thanks for reply ken</div>
<div class="" style="">But i want to have the streamline in a certain time step.<br clear="none" class="" style="">
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Sent from my iPad</div>
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On May 15, 2014, at 2:16 AM, "Moreland, Kenneth" <<a rel="nofollow" shape="rect" ymailto="mailto:kmorel@sandia.gov" target="_blank" href="mailto:kmorel@sandia.gov" class="" style="">kmorel@sandia.gov</a>> wrote:<br clear="none" class="" style="">
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<div class="" style="">Attach the Temporal Particles To Pathlines filter to the output of the Particle Tracer.</div>
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<div class="" style="">-Ken</div>
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<span style="font-weight:bold;" class="">From: </span>Maryam <<a rel="nofollow" shape="rect" ymailto="mailto:maryam.azarpira@yahoo.com" target="_blank" href="mailto:maryam.azarpira@yahoo.com" class="" style="">maryam.azarpira@yahoo.com</a>><br clear="none" class="" style="">
<span style="font-weight:bold;" class="">Reply-To: </span>Maryam <<a rel="nofollow" shape="rect" ymailto="mailto:maryam.azarpira@yahoo.com" target="_blank" href="mailto:maryam.azarpira@yahoo.com" class="" style="">maryam.azarpira@yahoo.com</a>><br clear="none" class="" style="">
<span style="font-weight:bold;" class="">Date: </span>Wednesday, May 14, 2014 3:32 PM<br clear="none" class="" style="">
<span style="font-weight:bold;" class="">To: </span>"<a rel="nofollow" shape="rect" ymailto="mailto:paraview@paraview.org" target="_blank" href="mailto:paraview@paraview.org" class="" style="">paraview@paraview.org</a>" <<a rel="nofollow" shape="rect" ymailto="mailto:paraview@paraview.org" target="_blank" href="mailto:paraview@paraview.org" class="" style="">paraview@paraview.org</a>><br clear="none" class="" style="">
<span style="font-weight:bold;" class="">Subject: </span>[EXTERNAL] [Paraview] generate streamlines of lagrangian particles<br clear="none" class="" style="">
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<div style="color:#000;background-color:#fff;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:14pt;" class="">
<div class="" style=""><font class="" face="tahoma,sans-serif" style="color:rgb(34, 34, 34);font-size:13px;"><span class="" style="color:rgb(0, 0, 0);background-color:rgb(247, 247, 247);">hi all, </span><br clear="none" class="" style="color:rgb(0, 0, 0);background-color:rgb(247, 247, 247);">
<br clear="none" class="" style="color:rgb(0, 0, 0);background-color:rgb(247, 247, 247);">
<span class="" style="color:rgb(0, 0, 0);background-color:rgb(247, 247, 247);">does somebody know how to generate streamlines of lagrangian particles? </span></font></div>
<div class="" style="color:rgb(34, 34, 34);font-family:arial, sans-serif;font-size:13px;">
<pre class="" style="color:rgb(0, 0, 0);"><font class="" face="tahoma,sans-serif" style="">I execute the following steps:
1. add the temporal cache filter
2. add a line source for seeds
3. add a ParticleTracer filter
I only see the starting points, no tracing occurs.</font></pre>
<div class="" style=""><font class="" face="tahoma,sans-serif" style=""><br clear="none" class="" style="color:rgb(0, 0, 0);background-color:rgb(247, 247, 247);">
<span class="" style="color:rgb(0, 0, 0);background-color:rgb(247, 247, 247);">thanx al</span></font></div>
<div class="" style=""><font class="" face="tahoma,sans-serif" style=""><span class="" style="color:rgb(0, 0, 0);background-color:rgb(247, 247, 247);">Maryam</span></font></div>
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