on 02.04.2012 09:55 Graeme Gill said the following: > Andreas F.X. Siegert wrote: >> But the diag.tif shows the overlay a bit askew (on perfectly level pic of >> the color chart) > > Sorry, that doesn't really describe the situation at all clearly. > > Is the .tiff & reference file available somewhere ? I'll post it later, it is on a machine I can't reach right now. thx afx -- http://afximages.com/