If you don't have a spectro consider the flatbed scanner approach and the QTR StepWedge tool. The Readme associated with that download is easy to follow.
Paul
On Tue, Jan 26, 2016 at 11:59 AM, sverre.aurstad@... [QuadtoneRIP] <QuadtoneRIP@yahoogroups.com> wrote:
Thanks for this, Paul. I'll look into re-linearizing profiles.
Sverre