fengfenghsy wrote: > > [...] I cannot find the vtk version 4.5 [...] fengfenghsy, You really should check the mailing list archive before asking such a question: http://www.google.com/search?q=vtk4.5+download+site:kitware.com --> http://public.kitware.com/pipermail/vtkusers/2004-December/077611.html HTH, -Jeremy