these lines does not work for me in paraview 3.12-RC2 : writer=CreateWriter('test.vtk') writer.UpdatePipeline() Is it a bug or a syntax change ? (it works with version 3.10) -- *Luc Bordier* luc.bordier at sirehna.com <mailto:luc.bordier at sirehna.com> Tel : +33 2 51 86 02 93