Graeme, > I can't duplicate your experience on Windows or OSX with the > portion of file you provided (after patching it together). Perhaps if > you send me the whole file, I can figure it out (assuming your using V0.53). > > Graeme Gill. I'm taking liberty of sending you the measurement file I'm getting from PrintOpen v5.1 ECI2002 target with spectral values. You'll see in the header that it says "Visual" but when I try to open it up in MeasureTool rows and columns are nevertheless interverted. Regards, Roger Breton | Laval, Canada | graxx@xxxxxxxxxxxx http://pages.infinit.net/graxx