Hi, tks for the answer. Xiaofeng, If I do that, I'll hide points lines and polygons in the same time... But I want to hide each of them independently. -- View this message in context: http://vtk.1045678.n5.nabble.com/hide-vertices-tp5460178p5462630.html Sent from the VTK - Users mailing list archive at Nabble.com.