I use VTK 5.10.1 and Qt4. I have to change Qvtkwidget parameters I think or maybe it is the reader of the image... -- View this message in context: http://vtk.1045678.n5.nabble.com/Visualization-problem-with-normalized-images-tp5726902p5726913.html Sent from the VTK - Users mailing list archive at Nabble.com.