When i converted the files into dcm files and tried to open only one scan, i could do it. Apparently it cannot render a volume from more than one scan... Max -- View this message in context: http://vtk.1045678.n5.nabble.com/DICOM-images-to-render-volume-tp5721008p5721133.html Sent from the VTK - Users mailing list archive at Nabble.com.