ParaView fails to load ASCII file with nans
This file produces a lot of warnings when loading
# vtk DataFile Version 2.0
Test file
ASCII
DATASET STRUCTURED_POINTS
DIMENSIONS 5 5 1
ORIGIN 0 0 0
SPACING 0.25 0.25 0.25
CELL_DATA 16
SCALARS var0 float 1
LOOKUP_TABLE default
0.85625 -nan -nan -nan -nan -nan -nan -nan -nan -nan -nan -nan -nan -nan -nan -nan
SCALARS var1 float
LOOKUP_TABLE default
-nan -nan -nan -nan -nan -nan -nan -nan -nan -nan -nan -nan -nan -nan -nan -nan
SCALARS var2 float
LOOKUP_TABLE default
-nan -nan -nan -nan -nan -nan -nan -nan -nan -nan -nan -nan -nan -nan -nan -nan
SCALARS var3 float
LOOKUP_TABLE default
-nan -nan -nan -nan -nan -nan -nan -nan -nan -nan -nan -nan -nan -nan -nan -nan