Hi Saeed, Would something like this <http://www.vtk.org/Wiki/VTK/Examples/Cxx/Graphs/VisualizeGraph> solve your problem? Siavash -- View this message in context: http://vtk.1045678.n5.nabble.com/Fwd-3D-graphs-node-link-diagrams-in-VTK-tp5733427p5733428.html Sent from the VTK - Users mailing list archive at Nabble.com.