[vtkusers] vtkXMLPPolyDataWriter usage question

[Johnny Devaprasad]

Hi,
Is there a way to split one .vtp file into many pieces...??
vtkXMLPPolyDataWriter.SetNumberOfPieces() does not split my .vtp file.
Following is the code snippet :

writer = vtk.vtkXMLPDataSetWriter()
writer.SetFileName('polydata.pvtp')
writer.SetInput(polydata)
writer.SetDataModeToAscii()
writer.SetNumberOfPieces(3)
writer.SetStartPiece(0)
writer.SetEndPiece(2)
writer.Write()

This produces the metafile (polydata.pvtp) and three piecefiles with .vtp
extensions but the entire polydata is being written into each file. Am I
missing something? How can I divide the data into pieces and then write each
piece to corresponding file ( i assumed that this writer would that job for
me?? )

Thank you in advance for any response.
-johnny
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