Hyper Tree Grid does not have Ghosts cell structure

I don't think there was an issue on that. vtkHyperTreeGrid does not have ghost cell structure for multi-processing. One would need ghost hyper trees so filters using super cursors can reach hyper tree interfaces with other processes.

A filter that needs this feature is vtkHyperTreeGridContour filter. Right now, when applying this filter using MPI, cells at the interfaces are discarded.

Edited Oct 17, 2019 by Mathieu Westphal

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