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  • #19467

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Opened Nov 13, 2019 by G. D. McBain@gdmcbain

2d XDMF vector fields misread as 3d

As reported in meshio#507 ‘2d XDMF vectors interpreted by ParaView as 3d’, ParaView 5.4.1 (Ubuntu 19.10 package) given a two-dimensional mesh with a two-dimensional vector field correctly displays the mesh #19058 but misreads the vector field as three-dimensional, giving spurious out-of-plane components at some nodes, leaving other nodes with no vector data at all.

The two-dimensional XDMF file was generated with meshio: theta.py:

  • theta.xdmf
  • theta.h5

In the meshio Python script, the vector field was saved twice, once as-is, once with zero third component. ParaView renders the former wrongly (red), the latter correctly (green).

theta

Edited Nov 13, 2019 by G. D. McBain
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5.8 (Winter 2020)
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5.8 (Winter 2020) (Past due)
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Reference: paraview/paraview#19467