Hi all, Do anyone know how to pick an actor in the vtk window? Need to use vtkPointpicker or vtkCellpicker,etc.? Tony Chung ===================================== ### ¦P±¡¦Û¤v¬OÀ¶¤Òªº¦æ¬° ### ### -§ø¤W¬K¾ð-### =====================================