<div dir="ltr">Hi Dennis,<div><br></div><div>Calculator filter did the trick. I created Loc using vector array coords. Then I have no problem finding the points using Find Data by specifying certain Loc.</div><div><br></div><div>Thanks for the help. </div><div><br></div><div>Best,</div><div>Yifei</div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Sep 13, 2017 at 10:03 AM, Dennis Conklin <span dir="ltr"><<a href="mailto:dennis_conklin@goodyear.com" target="_blank">dennis_conklin@goodyear.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Yifei,<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">I don’t know anything about vtu files – I don’t see any array of “Position”.
<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">However, perhaps you can use vector array coords – this is Paraviews internal array of point positions. You could use this to create Loc after you read your file into Paraview
– your filesize would not increase, although you would use some memory for the duplicate of coords (I assume running Calculator does a deep copy, anyone able to correct me)<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">So, read in file, run calculator on it – add Point Data Array Name of Loc – from the Vectors dropdown add coords to expression. Now you will have a vector called Loc and
my earlier queries will work.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">I could not get the queries to work directly with the coords vector array – maybe someone else knows how to do that.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Dennis
<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><u></u> <u></u></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Yifei Ma [mailto:<a href="mailto:yifei85.ma@gmail.com" target="_blank">yifei85.ma@gmail.com</a>]
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<b>Sent:</b> Wednesday, September 13, 2017 12:32 PM<br>
<b>To:</b> Dennis Conklin <<a href="mailto:dennis_conklin@goodyear.com" target="_blank">dennis_conklin@goodyear.com</a>><br>
<b>Cc:</b> Paraview (<a href="mailto:paraview@paraview.org" target="_blank">paraview@paraview.org</a>) <<a href="mailto:paraview@paraview.org" target="_blank">paraview@paraview.org</a>><br>
<b>Subject:</b> [EXT] Re: [Paraview] Select points based on coordinates<u></u><u></u></span></p>
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<p class="MsoNormal"> <strong><span style="color:red">WARNING - External email; exercise caution.</span></strong><u></u><u></u></p>
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<p class="MsoNormal">Hi Dennis, <u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">Sorry that I wasn't clear about the data file. The "Loc" DataArray is not included in the original data. I simply copy&paste the "Position" DataArray and re-named it "Loc" in order to find data based on its location. This is a workaround
and it works just fine for small data files. However, my original data is quit huge and I have to do the copy&paste for thousands of files to make the workaround work. Also file size will be increased significantly by using this method. Since the "Position"
information is already included in each data file. I am wondering if there is a way to access it in "Find Data". If so, I don't need to replicate it to create "Loc".<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">Thanks,<u></u><u></u></p>
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<p class="MsoNormal">Yifei<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">On Wed, Sep 13, 2017 at 7:57 AM, Dennis Conklin <<a href="mailto:dennis_conklin@goodyear.com" target="_blank">dennis_conklin@goodyear.com</a>> wrote:<u></u><u></u></p>
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<p class="MsoNormal">Yifei,<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal">I don’t understand the issue.<u></u><u></u></p>
<p class="MsoNormal">I DL’ed your file and proceeded as follows<u></u><u></u></p>
<p class="MsoNormal">Edit/Settings/General/Auto Convert Properties checked (On)<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal">Find Data<u></u><u></u></p>
<p class="MsoNormal">Find POINTS in test_data.vtu<u></u><u></u></p>
<p class="MsoNormal">Loc(0) is >= 0.009<u></u><u></u></p>
<p class="MsoNormal">Run Selection Query<u></u><u></u></p>
<p class="MsoNormal">Extract Selection<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal">This correctly extracted the 1 point met that requirement<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal">If I change to a query of<u></u><u></u></p>
<p class="MsoNormal">(Loc[:,0] >= .008) & (Loc[:,1] >= -.0004) then it correctly selects the single point that meets that criteria.<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal">Perhaps the difficulty is because you haven’t set Auto Convert Properties<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal">Hope this helps.<u></u><u></u></p>
<p class="MsoNormal"><span style="color:#888888">Dennis<u></u><u></u></span></p>
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