Hi All, i'm intersted to use the vtk-grass-bridge [1] , i've few questins about it . Can i use the latest stable release : VTK - 5.6 instead of the suggested version ( VTK - 5.4) ? ... have you any clue if this beatifull work will be "ported" to run under grass6.x ? thanks! Massimo. [1] http://code.google.com/p/vtk-grass-bridge/