Hallo guys,
have a bug using xdmf + hdf5 in Paraview that I cant seem to solve:
I am trying to visualize my results from a finite element computation
using xdmf and hdf5.
The results consist of the geometry and topology of the mesh and
different point and cell data.
I store coordinates of 2 million points in one hdf5 dataset (X,Y,Z
components) and the connectivity of the resulting 19 million cells (
hexagonals and lines ) in a one dimensional hdf5 dataset.
I use the following xdmf file to view the data in paraview
<?xml version="1.0"?>
<!DOCTYPE Xdmf SYSTEM "Xdmf.dtd" []>
<Xdmf>
<Domain>
<Grid GridType="Collection" CollectionType="Temporal">
<Grid Name="element0" Type="Uniform">
<Time Type="Single" Value="0" />
<Geometry GeometryType="XYZ">
<DataStructure Dimensions="3
22078224" NumberType="Float" Presicion="8" Format="HDF" >
SegmentedVertebra.h5:/points_0_0.000000
</DataStructure>
</Geometry>
<Topology Type="Mixed"
NumberOfElements="19948716">
<DataStructure
Dimensions="177553764 1" NumberType="Int64" Presicion="8" Format="HDF" >
SegmentedVertebra.h5:/CellAndConnectivity_0_0.000000
</DataStructure>
</Topology>
<Attribute Name="Displacement"
Center="Node" AttributeType="Vector">
<DataStructure Format="HDF"
DataType="Float" Precision="8" Dimensions="3 22078224">
SegmentedVertebra.h5:/Displacement_0_0.000000
</DataStructure>
</Attribute>
</Grid>
</Grid>
</Domain>
</Xdmf>
*Question:* For some strange reason the cell connectivity gets
completely messed up, and I get a totaly wrong output in Paraview.
I verified the content of the hdf5 file and all the points and cells are
correct.
The hdf5 is about 5 GB large.
Does anyone know how the cause of this strange behaviour? I tried
visualizing the content in visIT but got the same error.
thanks in advance
John.
--
John Jomo M.Sc.
Technische Universität München
Computation in Engineering
Simulation in Applied Mechanics - SAM
Arcisstraße 21
80333 München
Tel.: 0049 / 89 / 289 25064
Fax: 0049 / 89 / 289 25051
E-Mail: [email protected]<mailto:[email protected]>
Internet: www.cie.bgu.tum.de<http://www.cie.bgu.tum.de/>
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