Both vtk 5.8 and 6.3 has the same issue. -- View this message in context: http://vtk.1045678.n5.nabble.com/Memory-leak-of-vtkMultiBlockPlot3D-reader-and-dataset-on-Ubuntu-tp5735900p5736030.html Sent from the VTK - Users mailing list archive at Nabble.com.