For those who are interested (none? :) the -range option now works... ie it can output data in ranges other than 0..1 It even rescales data correctly now. What more could you ask? -- Andrew Janke ( rotor@cmr.uq.edu.au || www.cmr.uq.edu.au/~rotor ) Australia->University of Queensland->Centre for Magnetic Resonance Work: +61 7 3365 4100 || Home: +61 7 3800 4042