<div dir="ltr"><div><span style="font-family:arial,sans-serif;font-size:13px">I want to read a XDMF file with an orthogonal structured grid and a vector attribute. </span><span style="font-family:arial,sans-serif;font-size:13px">I have the following example file:</span></div>
<div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px"><div><div class="adm"><div id="q_1409c96811c5f42a_1" class="h4"><div class=""></div></div></div><div class="im">
<div>&lt;?xml version=&quot;1.0&quot; ?&gt;</div><div>&lt;!DOCTYPE Xdmf SYSTEM &quot;Xdmf.dtd&quot; []&gt;</div><div>&lt;Xdmf xmlns:xi=&quot;<a href="http://www.w3.org/2003/XInclude" target="_blank">http://www.w3.org/2003/XInclude</a>&quot; Version=&quot;2.2&quot;&gt;</div>
<div>  &lt;Information Name=&quot;MetaData&quot; Value=&quot;ID-23454&quot;/&gt;</div><div>  &lt;Domain&gt;</div><div>    &lt;Grid Name=&quot;Eulerian Grid&quot; GridType=&quot;Uniform&quot;&gt;</div><div>      &lt;Topology TopologyType=&quot;3DRectMesh&quot; NumberOfElements=&quot;   1    2    2&quot;/&gt;</div>
<div>      &lt;Geometry GeometryType=&quot;VXVYVZ&quot;&gt;</div><div>        &lt;DataItem Dimensions=&quot;2&quot; NumberType=&quot;Float&quot; Format=&quot;XML&quot;&gt;</div><div>         0.0 1.0</div><div>        &lt;/DataItem&gt;</div>
<div>        &lt;DataItem Dimensions=&quot;2&quot; NumberType=&quot;Float&quot; Format=&quot;XML&quot;&gt;</div><div>         0.0 1.0</div><div>        &lt;/DataItem&gt;</div><div>        &lt;DataItem Dimensions=&quot;1&quot; NumberType=&quot;Float&quot; Format=&quot;XML&quot;&gt;</div>
<div>         0.0</div><div>        &lt;/DataItem&gt;</div><div>      &lt;/Geometry&gt;</div><div>      &lt;Attribute Name=&quot;Velocity&quot; AttributeType=&quot;Vector&quot; Center=&quot;Cell&quot;&gt;</div><div>        &lt;DataItem Dimensions=&quot;  1 2 2 3&quot; Function=&quot;JOIN($0, $1, $2)&quot; ItemType=&quot;Function&quot;&gt;</div>
<div>         &lt;DataItem Dimensions=&quot;1 2 2&quot; NumberType=&quot;Float&quot; Format=&quot;XML&quot;&gt;</div><div>         1.0 -1.0 1.0 -1.0</div><div>        &lt;/DataItem&gt;</div><div>         &lt;DataItem Dimensions=&quot;1 2 2&quot; NumberType=&quot;Float&quot; Format=&quot;XML&quot;&gt;</div>
<div>         1.0 -1.0 1.0 -1.0</div><div>        &lt;/DataItem&gt;</div><div>         &lt;DataItem Dimensions=&quot;1 2 2&quot; NumberType=&quot;Float&quot; Format=&quot;XML&quot;&gt;</div></div></div><div>         0.0 0.0 0.0 0.0</div>
<div class="im"><div>        &lt;/DataItem&gt;</div><div>       &lt;/DataItem&gt;</div><div>      &lt;/Attribute&gt;</div><div>   &lt;/Grid&gt;</div><div>  &lt;/Domain&gt;</div><div>&lt;/Xdmf&gt;</div></div></div><div style="font-family:arial,sans-serif;font-size:13px">
<br></div><div style="font-family:arial,sans-serif;font-size:13px">However Paraview reads it wrong, the values of the velocity in the information window range from -1e+299 to 1e299. Where is the mistake that causes Paraview to read the wrong values?</div>
<div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">Thank you,</div><div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">
Nikos</div></div>