holy crap, sorry that was wrong on so many levels ;-) Dont listen to me, Ill have a look into that. Should have looked it up earlier. -- View this message in context: http://vtk.1045678.n5.nabble.com/vtkImageData-Cloning-tp5714544p5714546.html Sent from the VTK - Users mailing list archive at Nabble.com.