Hi!
Basically I want to visualize a 1D-array in ParaView, specifying it with the
Xdmf-Format.
My approach is to determine an X-Axis, specifying the x-Coordinates as 1.0,
2.0,.., then specifying the y-Coordinates as my 1D-array I want to visualize
und using "Polyline" to "draw" a "plot".
My sample file doing this looks like the following:
<?xml version="1.0" ?>
<!DOCTYPE Xdmf SYSTEM "Xdmf.dtd" []>
<Xdmf xmlns:xi="http://www.w3.org/2001/XInclude"; Version="2.0">
<Domain>
<Grid Name="Polyline" GridType="Uniform">
<Topology TopologyType="Polyline"
>
<DataItem Format="XML"
Dimensions="1 8"
NumberType="Float">
0 1 2 3 4 5 6 7
</DataItem>
</Topology>
<Geometry Type="XYZ">
<DataItem Format="XML" Dimensions="4 2 3">
0.0 0.0 0.0
1.0 2.0 0.0
2.0 3.0 0.0
3.0 4.0 0.0
4.0 3.0 0.0
5.0 2.0 0.0
6.0 3.0 0.0
7.0 4.0 0.0
</DataItem>
</Geometry>
</Grid>
</Domain>
</Xdmf>
and it works well.
so, doing this with my data, I get the following Xdmf-File:
<?xml version="1.0" ?>
<!DOCTYPE Xdmf SYSTEM "Xdmf.dtd" []>
<Xdmf xmlns:xi="http://www.w3.org/2001/XInclude"; Version="2.0">
<Domain>
<!-- Time: 0.29 -->
<Grid Name="flko" GridType="Uniform">
<Topology TopologyType="Polyline">
<DataItem Format="XML" Dimensions="1 10" NumberType="Float">
0 1 2 3 4 5 6 7 8 9
</DataItem>
</Topology>
<!--Topology TopologyType="3DRectMesh" Dimensions=" 1 121 140">
</Topology -->
<Geometry Type="VXVYVZ">
<DataStructure DataType="Float" Precision="4" Dimensions="170" Format="HDF">
s2d-more-sun-OT14.00000.h5:/flko/xCoordinates
</DataStructure>
<DataStructure DataType="Float" Precision="4" Dimensions="170" Format="HDF">
s2d-more-sun-OT14.00000.h5:/flko/yCoordinates
</DataStructure>
<DataStructure DataType="Float" Precision="4" Dimensions="170" Format="HDF">
s2d-more-sun-OT14.00000.h5:/flko/zCoordinates
</DataStructure>
</Geometry>
</Grid>
</Domain>
</Xdmf>
In this case, just for testing purposes, I just connected the points 0 - 9. If
that worked, I would have tried connecting them all.
Well, I suspected that I got something wrong in the Geometry part, but trying
it with another topology type (the commented one you see here), the grid is
visualized well. trying it with the Polyline-Topology, I get a segmentation
fault.
Thanks for any piece of advice,
Natalie Happenhofer
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