[CIG-SHORT] Xdmf/HDF5 files and tensor output (stress/strain) with PyLith v1.6

[Brad Aagaard]

Hi all:

It looks like Xdmf treats a tensor differently than VTK, so that it is 
expecting all 9 components rather than just 6 like VTK (which accounts 
for symmetry). This discrepancy means that the examining stress/strain 
components in ParaView using Xdmf files is probably broken. We will 
investigate if Xdmf can use 6 tensor components or whether we would have 
to write out each on individually (which might be undesirable if one is 
using the HDF5 file directly from Matlab or Python).

Brad