Paraview 5.8.1 uses vtk DataFile Version 5.1. In the new version, cells of an unstructured grid are stored in OFFSETS/CONNECTIVITY blocks. Where to find the specification for 5.1 format version? Only “File Formats for VTK Version 4.2” is available on the vtk website.
same questions…
5.1 format is confusing
This is indeed an issue. I’ve opened the discussion here:
https://gitlab.kitware.com/vtk/vtk/-/issues/17989
You can find a incomplete documentation here : https://vtk.org/wp-content/uploads/2015/04/file-formats.pdf