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<p class="western"><font face="Arial, sans-serif"><font style="font-size: 11pt" size="2">Hi,</font></font></p>
<p class="western"><font face="Arial, sans-serif"><font style="font-size: 11pt" size="2">I am a PhD student. I started working with this program one month ago. Initially, I was able to save post-processing data in a precise way, but after it was upgraded by
my department, I started having problems. I explain a little bit more: After opening a 3D meshed cylinder with a vector field in it (“filename.msh”), I was able to calculate the curl of this vector field (thanks to the gmsh plugin Curl) and save the result
obtained. In order to save this new postprocessing file, I was able to click on the arrow on the right of the “nameview_Curl” and then click on “save as” and then “Msh”. The result was a *.pos file. After importing the file in Matlab, the first section was
related to the node ($Nodes), so I was able to identify for each node the number of the node and the x-y-z coordinate value in four different columns, then one section for the elements($Elements), and finally one section related to the node data($NodesData)
with the same size of the node section. That means this section had the same number of rows (each one for a different node) and the same number of columns (the first one identifying the node number and then three columns related to the x-y-z value of the curl
of the vector field for that precise node).</font></font></p>
<p class="western"><font face="Arial, sans-serif"><font style="font-size: 11pt" size="2">Now after upgrading the software, when I save the “nameview_Curl” and import the *.pos file in Matlab, I notice, as before, a first section related to the nodes and a section
related to the elements. Now, instead of having the final section related to “$NodeData” as before, I have a new section called $ElementNodeData with the same number of rows as the $Element section, and as columns, after two starting columns identifying the
element number and type, I have three columns repeated four times since the mesh is made by tetrahedron (in the online documentation is written:
</font></font></p>
<p class="western" lang=""><var>“</var><var>value: </var>is a real number giving the value associated with a node or an element. For
<code class="western">NodeData</code> (respectively <code class="western">ElementData</code>) views, there are
<var>ncomp</var> values per node (resp. per element), where <var>ncomp</var> is the number of field components. For
<code class="western">ElementNodeData</code> views, there are <var>ncomp</var> times
<var>number-of-nodes-per-elements</var> values per element.”)<font face="Arial, sans-serif"><font style="font-size: 11pt" size="2"><span lang="en-US">.</span></font></font></p>
<p class="western"><font face="Arial, sans-serif"><font style="font-size: 11pt" size="2">Since I need the x-y-z value of the coordinate of each node and the x-y-z value of the curl of the vector field for each node, as I had before upgrading the software in
the respective sections $Node and $NodeData, is there a way to obtain this information again? Is there a particular way to save the *.pos file so I can get this information again?</font></font></p>
<p class="western"><font face="Arial, sans-serif"><font style="font-size: 11pt" size="2">What I am expecting is a file with one section related to the geometry of each node that contains a number that identifies the node and the x-y-z coordinate value, and
a section related to nodedata with contains the identify number of the related node, so I can relate the data to the geometrical position of one node, and the x-y-z value of the curl of the vector field as I was able to obtain with the previous version.</font></font></p>
<p class="western"><br>
<br>
</p>
<p class="western"><font face="Arial, sans-serif"><font style="font-size: 11pt" size="2">Hoping in a soon reply, I thank you all.</font></font></p>
<p class="western"><font face="Arial, sans-serif"><font style="font-size: 11pt" size="2">Stefano Mandija<br>
</font></font></p>
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