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<p class="MsoNormal">Doina,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">vtk files support Nan’s in general. (I just tried it. It worked fine.) However, you are trying to introduce NaN’s in a list of integer connections, which is just wrong on many levels. However, I do not see why you need NaN at all. The LINES
connectivity list allows you to vary the length of the line chain.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">It looks like you can solve your problem by simply not writing out the NaN’s in the fill. In the example you sent us, I presume that you mean to have 4 line cells with 2, 3, 2, and 2 vertices, respectively. The following should be the correct
representation of that:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">LINES 4 13<o:p></o:p></p>
<p class="MsoNormal">2 0 1<o:p></o:p></p>
<p class="MsoNormal">3 1 2 3<o:p></o:p></p>
<p class="MsoNormal">2 3 4<o:p></o:p></p>
<p class="MsoNormal">2 4 5<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">-Ken<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:12.0pt;color:black">From:
</span></b><span style="font-size:12.0pt;color:black">ParaView <paraview-bounces@paraview.org> on behalf of "Doina Gumeniuc (224252 MAHS)" <224252@via.dk><br>
<b>Date: </b>Monday, November 13, 2017 at 12:55 PM<br>
<b>To: </b>Mathieu Westphal <mathieu.westphal@kitware.com>, "paraview@paraview.org" <paraview@paraview.org><br>
<b>Subject: </b>[EXTERNAL] Re: [Paraview] NaN values<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p style="margin-left:.5in"><span style="font-size:12.0pt;color:black">Hi Mathieu,<o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="font-size:12.0pt;color:black">Sadly I can not import the whole file, but here is an example:<o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
<p style="margin-left:.5in"><span style="font-size:12.0pt;color:black">LINES 4 13<o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="font-size:12.0pt;color:black">2 0 1 NaN<o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="font-size:12.0pt;color:black">3 1 2 3<o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="font-size:12.0pt;color:black">2 3 4 NaN<o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="font-size:12.0pt;color:black">2 4 5 NaN<o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
<p style="margin-left:.5in"><span style="font-size:12.0pt;color:black">I make the vtk file in matlab by extracting the information from a .dat file. Originally, instead of NaN there are zeros, but I just need blanks without changing the shape of the matrix,
which is why I use NaN, but it gives me error in paraview.<o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
<p style="margin-left:.5in"><span style="font-size:12.0pt;color:black">I hope it explains what I mean. Thank you!<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><b><span style="color:black">From:</span></b><span style="color:black"> Mathieu Westphal <mathieu.westphal@kitware.com><br>
<b>Sent:</b> November 13, 2017 4:29:18 PM<br>
<b>To:</b> Doina Gumeniuc (224252 MAHS)<br>
<b>Cc:</b> paraview@paraview.org<br>
<b>Subject:</b> Re: [Paraview] NaN values</span> <o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"> <o:p></o:p></p>
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Hi<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:12.0pt;margin-left:.5in">
Can you share your dataset ?<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Thanks,<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><br clear="all">
<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Mathieu Westphal<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">On Mon, Nov 13, 2017 at 4:10 PM, Doina Gumeniuc (224252 MAHS) <<a href="mailto:224252@via.dk" target="_blank">224252@via.dk</a>> wrote:<o:p></o:p></p>
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<p style="margin-left:.5in"><span style="font-size:12.0pt;color:black">Hi Mathieu,<o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
<p style="margin-left:.5in"><span style="font-size:12.0pt;color:black">I am using a vtk poly data file, which when I load in paraview, it gives me error (paraview just stops working). I was thinking it is because of my NaN values.<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><b><span style="color:black">From:</span></b><span style="color:black"> Mathieu Westphal <<a href="mailto:mathieu.westphal@kitware.com" target="_blank">mathieu.westphal@kitware.com</a>><br>
<b>Sent:</b> November 13, 2017 2:53:19 PM<br>
<b>To:</b> Doina Gumeniuc (224252 MAHS)<br>
<b>Cc:</b> <a href="mailto:paraview@paraview.org" target="_blank">paraview@paraview.org</a><br>
<b>Subject:</b> Re: [Paraview] NaN values</span> <o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"> <o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Hi<br>
<br>
ParaView understand NaN correctly as blanks.<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:12.0pt;margin-left:.5in">
If you are reading a .csv file, the correct string that is interpreted as NaN is "nan" without the quotes.<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Best,<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><br clear="all">
<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Mathieu Westphal<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">On Mon, Nov 13, 2017 at 2:48 PM, Doina Gumeniuc (224252 MAHS) <<a href="mailto:224252@via.dk" target="_blank">224252@via.dk</a>> wrote:<o:p></o:p></p>
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<p style="margin-left:.5in"><span style="font-size:12.0pt;color:black">Hi all,<o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
<p style="margin-left:.5in"><span style="font-size:12.0pt;color:black">I have a file with NaN values in almost every column and row. The integer numbers represent which points should be connected by lines, therefor I can not replace NaN with zeros because it
will interpret it as Point with ID 0. <o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="font-size:12.0pt;color:black">Is there any way I can replace this NaNs with something which paraview reads as blanks?<o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="font-size:12.0pt;color:black">Thank you!<o:p></o:p></span></p>
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