Alastair, > The 100-patch profile gave a very impressive error report when it was > generated, of maximum error about 1.3 and average nearer 0.4. I forget >the exact numbers now. *Wow*. My maximum is typically over 5. (forget the average) > I would imagine, though I could be wrong, that these reported errors > would actually increase with 150, 200 or so patches, as Argyll's ability > to notice them would improve, and then reduce again as more patches are > added. Maybe, yes. (Graeme?) Greg.