On 04/02/2012 04:45 PM, Pat Marion wrote: > You can import paraview.vtk.io to access the xml writer. Thanks! import paraview.vtk.io writer = paraview.vtk.io.vtkXMLImageDataWriter() worked perfectly. No need to install VTK when I already have ParaView! -- Hal Canary http://cs.unc.edu/~hal/