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from vtkmodules.vtkFiltersSources import vtkRandomHyperTreeGridSource
from vtkmodules.vtkIOXML import (
vtkXMLHyperTreeGridReader,
vtkXMLHyperTreeGridWriter,
)
# Creating pseudo-random HTG source
source = vtkRandomHyperTreeGridSource()
source.SetDimensions(5, 5, 2)
source.SetSeed(3713971)
source.SetSplitFraction(0.75);
name = "output_TestWriteReadRandomHTGAppendBinaryMode1.htg"
# Creating HTG Writer
writer = vtkXMLHyperTreeGridWriter()
writer.SetInputConnection(source.GetOutputPort())
writer.SetDataSetMajorVersion(1)
writer.SetDataModeToAppended()
writer.SetFileName( name )
print("Writing HTG to {}".format(name))
writer.Update()
# Creating HTG Reader
reader = vtkXMLHyperTreeGridReader()
reader.SetFileName( name )
print("Reading HTG from {}".format(name))
reader.Update()
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