Hey Jens,
I think it should work out fine to treat them as "particles with
attributes". Here's an example of a short time series of particles
which each have XYZ positions, plus a scalar and a vector attribute.
-Eric
<Xdmf>
<Domain Name="MSI">
<Grid Name="CellTime" GridType="Collection"
CollectionType="Temporal">
<Grid Name="Cells" GridType="Uniform">
<Time Value="0.00" />
<Topology TopologyType="Polyvertex"
NodesPerElement="30">
</Topology>
<Geometry GeometryType="XYZ">
<DataItem DataType="Float" Dimensions="30 3"
Format="HDF">
TestData.h5:/iter00000000/cells/position
</DataItem>
</Geometry>
<Attribute AttributeType="Scalar" Center="Node"
Name="leuk_type">
<DataItem DataType="Int" Dimensions="30 1"
Format="HDF">
TestData.h5:/iter00000000/cells/type
</DataItem>
</Attribute>
<Attribute AttributeType="Vector" Center="Node"
Name="leuk_polarization">
<DataItem DataType="Float" Dimensions="30 3"
Format="HDF">
TestData.h5:/iter00000000/cells/polarization
</DataItem>
</Attribute>
</Grid>
<Grid Name="Cells" GridType="Uniform">
<Time Value="0.05" />
<Topology TopologyType="Polyvertex"
NodesPerElement="30">
</Topology>
<Geometry GeometryType="XYZ">
<DataItem DataType="Float" Dimensions="30 3"
Format="HDF">
TestData.h5:/iter00000001/cells/position
</DataItem>
</Geometry>
<Attribute AttributeType="Scalar" Center="Node"
Name="leuk_type">
<DataItem DataType="Int" Dimensions="30 1"
Format="HDF">
TestData.h5:/iter00000001/cells/type
</DataItem>
</Attribute>
<Attribute AttributeType="Vector" Center="Node"
Name="leuk_polarization">
<DataItem DataType="Float" Dimensions="30 3"
Format="HDF">
TestData.h5:/iter00000001/cells/polarization
</DataItem>
</Attribute>
</Grid>
</Grid>
</Domain>
</Xdmf>
On Feb 6, 2009, at 11:26 AM, Jens wrote:
Hi,
I am using xdmf-file-format for my structured grid to visualise
turbulent flows.
Now, I have a bunch of vectors not connected to that grid, but defined
somewhere between the grid-points. They are stored as float-XYZ
+xyzLength in my hdf5-file (you could think of particles with
attributes,too.)
Therefore I need to add polydata-points+attributes to my xdmf-file. Is
that possible? And if yes, how?
Greetings
Jens
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