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xdmf: XML is default Format for DataItem #1432

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slitvinov wants to merge 1 commit into nschloe:main from slitvinov:main

slitvinov commented Aug 28, 2023

According to Default XML Attributes Format=XML should be the default for DataItem element. This is a valid XDMF file

$ cat tri.xdmf
<Xdmf
    Version="2">
  <Domain>
    <Grid>
      <Topology
	  TopologyType="Triangle"
	  Dimensions="1">
	<DataItem
	    Dimensions="1 3"
	    NumberType="Int">
	  0 1 2
	</DataItem>
      </Topology>
      <Geometry>
	<DataItem
	    Dimensions="3 3">
	  0 0 0
	  1 0 0
	  0 1 0
	</DataItem>
      </Geometry>
    </Grid>
  </Domain>
</Xdmf>

and meshio info returns after applying the modification.

$ meshio info tri.xdmf 
<meshio mesh object>
  Number of points: 3
  Number of cells:
    triangle: 1


          xdmf: XML is default Format for DataItem

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