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Add static mesh support for HDF Reader & Writer

Loïc Gaillard requested to merge loic.gaillard/vtk:hdf-staticmesh-writer into master

Add static mesh support for HDF Reader & Writer.

Only vtkPolyData & vtkUnstructuredGrid

Reader can read the following as static mesh :

  • PolyData
  • UnstructuredGrid
  • Partitioned (Polydata / UnstructuredGrid)

Note that to use read data as static mesh the following properties must be :

  • MergeParts = false
  • UseCache = true

Those parameters means the data will be read as partitioned (even with a single partition).

Writer can write the following as static mesh :

  • PolyData
  • UnstructuredGrid

Since the Writer doesn't support partitioned data yet, it isn't possible to use the reader and the writer in the same pipeline.

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