Yes,the hole is too big ,maybe it is larger than the default maximum value .Now I SetHoleSize(1E6),and it works well,thank you all. -- View this message in context: http://vtk.1045678.n5.nabble.com/The-vtkFillHolesFilter-doen-t-work-tp5714226p5714259.html Sent from the VTK - Users mailing list archive at Nabble.com.