Esta função pega um objeto vtkRenderer e exibe a saída diretamente no IPython Notebook
def vtk_show(renderer, w=100, h=100):
"""
Takes vtkRenderer instance and returns an IPython Image with the rendering.
"""
renderWindow = vtkRenderWindow()
renderWindow.SetOffScreenRendering(1)
renderWindow.AddRenderer(renderer)
renderWindow.SetSize(w, h)
renderWindow.Render()
windowToImageFilter = vtkWindowToImageFilter()
windowToImageFilter.SetInput(renderWindow)
windowToImageFilter.Update()
writer = vtkPNGWriter()
writer.SetWriteToMemory(1)
writer.SetInputConnection(windowToImageFilter.GetOutputPort())
writer.Write()
data = str(buffer(writer.GetResult()))
from IPython.display import Image
return Image(data)Leia o artigo: ( http://pyscience.wordpress.com/2014/09/03/ipython-notebook-vtk/ )