It works, thanks so much, Cory. Though there is some edge not that perfect. <http://vtk.1045678.n5.nabble.com/file/n5733709/Captures.png> -- View this message in context: http://vtk.1045678.n5.nabble.com/WarpScalar-Problem-about-normal-tp5733689p5733709.html Sent from the VTK - Users mailing list archive at Nabble.com.