170ca8b6 Remove ReadPiece for vtkXMLHyperTreeGridReader
c8c38811 Merge branch 'ethan.stam/vtk-wip-HTG-readers-and-writers' into wip-HTG-readers-and-writers
77b1c651 Fix compilation warings for vtkXMLPHyperTreeGridWriter
6541525f Fix compilation warings for vtkXMLPHyperTreeGridReader
48ab1936 Allow HTG trees to be written in any order
14a36f74 fix easy htg warning and error
fdd8120a StartPiece instead of Piece 0
0d6f60cf Get phtg orientation
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Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: Sebastien Jourdain <sebastien.jourdain@kitware.com>
Merge-request: !5271