VTK/Examples/Python/Arrays/RenameArray

import vtk
from vtk import *
 
#setup sphere
sphereSource = vtk.vtkSphereSource()
sphereSource.Update()
 
polydata = vtk.vtkPolyData()
polydata.ShallowCopy(sphereSource.GetOutput())
 
normals = polydata.GetPointData().GetNormals();
normals.SetName("TestN")
 
writer = vtk.vtkXMLPolyDataWriter();
writer.SetFileName("Test.vtp");
writer.SetInput(polydata);
writer.Write();