Could it be that the Xdmf Function DataItem cannot handle more than ten
operands? The sample file quoted below will load just fine into Paraview (3.8.1
64bit Linux) as long as the formula operates on any of the first ten (i.e. $0
through $9) DataItems. However, changing
Function=10 + $9
to
From [http://www.xdmf.org/index.php/XDMF_Model_and_Format] regarding the Xdmf
Function DataItem: The function description can be arbitrarily complex and
contain SIN, COS, TAN, ACOS...
However, I noticed that operations as simple as multiplication by a constant
are tricky: In Paraview 3.8.1,
