It appears that vtkpython is no longer installed with 6.0.0 rc2. Is this intentional? Thanks, Orion -- Orion Poplawski Technical Manager 303-415-9701 x222 NWRA/CoRA Division FAX: 303-415-9702 3380 Mitchell Lane orion at cora.nwra.com Boulder, CO 80301 http://www.cora.nwra.com