The source project of this merge request has been removed.
Write more digits in VTKDataSetWriter.cxx.
I have encountered a dataset "in the wild" where every single datum is mapped to the string "0.000000" in the .vtk file generated by the VTKDataSetWriter.
As noted in the comments, this is really a problem with Paraview not being able to parse scientific notation; without that fix, all we can do here is klunky hacks. But at least this klunky hack solves a real problem.