not really, I'm supposed to get 3 small spheres instead of a cube. the red cubes seems covering my data. Is it possible to convert a raw file to a polydata? thx Massi -- View this message in context: http://vtk.1045678.n5.nabble.com/RAW-file-tp5721842p5721907.html Sent from the VTK - Users mailing list archive at Nabble.com.