[momentumv]

I have a set of point data of a scalar field (PHI) and use a Gradient from unstructured mesh filter to compute the Gradient, which can then be sucessfully plotted. However, when I try to then apply a streamtracer filter, I get no traces.

The source line is fully within the boundary, and I hide everything else but can't see any lines.

The weird part is that this workflow was (mostly) working before I changed some case boundary conditions and re-computed the results.

Before, it would compute about half of the stream lines.
Paraview 5.6.1 64 bit on Windows.

I might be able to post the two datasets (halfworking, and non-working).