<div dir="ltr">Hi,<br><br>I have the following XDMF file:<br><br><?xml version="1.0" ?><br><!DOCTYPE Xdmf SYSTEM "Xdmf.dtd" []><br><Xdmf xmlns:xi="<a href="http://www.w3.org/2003/XInclude">http://www.w3.org/2003/XInclude</a>" Version="2.0"><br>  <Information Name="MetaData" Value="ID-23454"/><br>  <Domain><br>    <Grid Name="Eulerian Grid" GridType="Uniform"><br>      <Topology TopologyType="3DRectMesh" NumberOfElements="   1602    202   1780"/><br>      <Geometry GeometryType="VXVYVZ"><br>        <DataItem Dimensions=" 1780" NumberType="Float" Precision="4" Format="HDF"><br>         ../grid3dc_vxvyvz_VP.h5sp:/X<br>        </DataItem><br>        <DataItem Dimensions="  202" NumberType="Float" Precision="4" Format="HDF"><br>         ../grid3dc_vxvyvz_VP.h5sp:/Y<br>        </DataItem><br>        <DataItem Dimensions=" 1602" NumberType="Float" Precision="4" Format="HDF"><br>         ../grid3dc_vxvyvz_VP.h5sp:/Z<br>        </DataItem><br>      </Geometry><br>      <Attribute Name="Q" AttributeType="Scalar" Center="Node"><br>        <DataItem Dimensions="  1602   202  1780" NumberType="Float" Precision="4" Format="HDF"><br>         ../Qcrit.0001.h5sp:/var3d<br>        </DataItem><br>      </Attribute><br>   </Grid><br>  </Domain><br></Xdmf><br><div><br></div><div>I can read the file into Paraview 5.0 without any problems. When I try to read it with Paraview 4.1 I get the following error message:</div><br>ERROR: In /Users/kitware/Dashboards/MyTests/NightlyMaster/ParaViewSuperbuild-Release/paraview/src/paraview/VTK/IO/Xdmf2/vtkXdmfHeavyData.cxx, line 1126<br><br>vtkXdmfReader (0x1177e62f0): Failed to read attribute data<div><br>It seems that Paraview 4.1 reads the grid fine but it can't read the attribute. Any idea what is wrong?<br><br><br>Regards,<br><br><br>Nikos</div></div>