Just to follow up I figured out how to do this with Xdmf:
<Attribute Name="Label 0" AttributeType="Scalar" Center="Cell">
<DataItem ItemType="HyperSlab" Dimensions="23403757 1" Type="HyperSlab"
Name="Zero">
<DataItem Dimensions="3 2" Format="XML"> 0 0 1 1 23403757 1
</DataItem>
<DataItem Format="HDF" Dimensions="23403757 2" NumberType="Int"
Precision="4" >
test.dream3d:/SurfaceMeshDataContainer/FACE_DATA/SurfaceMeshTriangleLabels
</DataItem>
</DataItem>
</Attribute>
<Attribute Name="Label 1" AttributeType="Scalar" Center="Cell">
<DataItem ItemType="HyperSlab" Dimensions="23403757 1" Type="HyperSlab"
Name="One">
<DataItem Dimensions="3 2" Format="XML"> 0 1 1 1 23403757 1
</DataItem>
<DataItem Format="HDF" Dimensions="23403757 2" NumberType="Int"
Precision="4" >
test.dream3d:/SurfaceMeshDataContainer/FACE_DATA/SurfaceMeshTriangleLabels
</DataItem>
</DataItem>
</Attribute>
The original array is a (23403757 x 2) (rows x cols) array. Using the above
Hyperslab attributes I can get a pair of arrays. Then in ParaView I can run 2
"Threshold" filters on the value that I want and then Append the resulting data
sets together. This gives the visualization that I am looking for.
Hope it helps someone.
___________________________________________________________
Mike Jackson Principal Software Engineer
BlueQuartz Software Dayton, Ohio
[email protected] www.bluequartz.net
On Mar 16, 2013, at 4:31 PM, Michael Jackson wrote:
> We are generating a mesh where each Triangle has a pair of "Grain Id" values
> associated with it. We store the values as a 2 component vector (which Xdmf
> doesn't seem to like). The idea being that we want to be able to extract out
> all triangles where EITHER one of the 2 values match an input value.
>
> Is something like this even possible with ParaView's built in filters? What
> happens if I write out a 3 component vector (a dummy value in the 3rd slot)?
> Does that make it possible?
>
> What if I split up the 2 Component vector into a Pair of Arrays? I guess at
> that point I would just run the same threshold 2, once on each array then
> merge the results?
>
> Ideas or thoughts are much appreciated.
>
> Thanks.
> ___________________________________________________________
> Mike Jackson Principal Software Engineer
> BlueQuartz Software Dayton, Ohio
> [email protected] www.bluequartz.net
>
_______________________________________________
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