[Paraview] XY plot of time series

[Nikolaos Beratlis]

Hi,

I am trying to create a plot of a time series. I read one file (0001) as
follows:

<?xml version="1.0" ?>
<!DOCTYPE Xdmf SYSTEM "Xdmf.dtd" []>
<Xdmf xmlns:xi="http://www.w3.org/2003/XInclude"; Version="2.2">
  <Information Name="MetaData" Value="ID-23454"/>
  <Domain>
    <Grid Name="Eulerian Grid" GridType="Uniform">
      <Topology TopologyType="3DRectMesh" NumberOfElements="   1402    452
   352"/>
      <Geometry GeometryType="VXVYVZ">
        <DataItem Dimensions="  352" NumberType="Float" Precision="4"
Format="HDF">
         ../VPfield_files/grid3dc_vxvyvz_VP.h5sp:/X
        </DataItem>
        <DataItem Dimensions="  452" NumberType="Float" Precision="4"
Format="HDF">
         ../VPfield_files/grid3dc_vxvyvz_VP.h5sp:/Y
        </DataItem>
        <DataItem Dimensions=" 1402" NumberType="Float" Precision="4"
Format="HDF">
         ../VPfield_files/grid3dc_vxvyvz_VP.h5sp:/Z
        </DataItem>
      </Geometry>
      <Attribute Name="u" AttributeType="Scalar" Center="Node">
        <DataItem Dimensions="  1402   452   352" NumberType="Float"
Precision="4" Format="HDF">
         ../VPfield_files/ufluct.0001.h5sp:/var3d
        </DataItem>
      </Attribute>
      <Attribute Name="w" AttributeType="Scalar" Center="Node">
        <DataItem Dimensions="  1402   452   352" NumberType="Float"
Precision="4" Format="HDF">
         ../VPfield_files/wfluct.0001.h5sp:/var3d
        </DataItem>
      </Attribute>
   </Grid>
  </Domain>
</Xdmf>

and I create a XY plot of the data as shown below:



I want to superimpose on the same plot the data from the other files
(0002-0025). Because the grid files are large and there are many files in
the series I would like to do it without loading all the data
simultaneously because I would ran out of memory. Is there a way to do this
efficiently?

Regards,

Nikos
​

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