Hi, I belive the vtkTextActor is derived from vtkActor2d so you should be able to use it's setPosition() function. So a simple upcast should do the trick. Best regards Adrian -- View this message in context: http://vtk.1045678.n5.nabble.com/vtkTextactor-java-tp5713996p5713997.html Sent from the VTK - Users mailing list archive at Nabble.com.