Hi Samuel,
The issue with the symmetric tensor magnitude calculation is that ParaView
doesn't know it's a symmetric tensor so it doesn't know that it needs to
sum the off-diagonal values twice. All that is know for these arrays are
how many components there are. A three-component array could be
Reference: ParaView Version 4.3.1
I have two technical questions:
(Q1) In the PV filter 'Gradient Of Unstructured Data Set' is the
"QCriterion" function, the Q-Criterion defined by J. C. R. Hunt, A.
Wray, and P. Moin (1988) "Eddies, stream, and convergence
