QTR-Quadtone RIP

That does clear things up a bit : )
c

On Apr 9, 2008, at 1:40 PM, Carl Schofield wrote:

> Hi Roy,
>
> I'm guessing he downloaded an old tutorial I wrote that was put in the
> files by a former forum moderator. Perhaps you could delete it (I
> didn't upload it so can't delete it myself) as it is no longer
> applicable to current QTR versions.
>
> Carl
>
> On Apr 9, 2008, at 2:24 PM, Roy Harrington wrote:
>
> > I'm curious where you are reading about "curves with
> > calibration=yes". A very
> > long time ago you need to make curves for calibration but that was
> > changed
> > to just use the calib ink limit slider. It sets the ink limits for
> > all the inks together.
> > I thought I had all those old references removed.
> >
> > In any case once you decide on ink limits, you start making actual
> > curves and
> > will no longer use the calib mode in printing.
> >
> > Roy
> >
> > On Wed, Apr 9, 2008 at 9:17 AM, crispycoffin <chris@...>
> > wrote:
> >> Got a question regarding printing the Ink Pattern Page ala the
> >> mini-tutorial offered in the files section.
> >>
> >> Quick hardware rundown: Mac OSX 10.4.11, MacBook Pro, Epson 2200,
> >> Spyder3 Studio, Epson UC ink.
> >>
> >> I'm building some curves for Hahnemuhle photo rag and noticed, when
> >> referring to the mini tutorial that one should first print the ink
> >> pattern page using a curve in which you have set calibration to
> >> "yes",
> >> the default limit to 100, and deleted the linearize data line. When
> >> I'm in the print dialog for QTR 2.6.1 I can select a curve, then
> >> select Calibration for the mode. The curve appears to remain  
> selected
> >> although grayed out.
> >>
> >> I print this, and, following the tutorial guidelines, define the
> >> limits (in this case K=53%, LK=75%) and add those values to the  
> curve
> >> file. I reinstall the curve, following the same printing procedure
> >> (select the curve, then select the "Calibration" mode and print.  
> The
> >> two prints are identical. Now, does using the calibration mode mean
> >> NOT using any curves (since the selection appears grayed out)? If
> >> that
> >> is the case than does that mean the mini tutorial is wrong or  
> out of
> >> date? The process would seem to make sense. You would want find the
> >> ink limit. Print a new page with the limits curve and then find the
> >> density for partitioning. This would not work if the curve is not
> >> applied went printing the calibration page. Am I wrong?
> >> Oh, and I'm not color managing the file. Everything else seems  
> to be
> >> as it should.
> >> Thanks!
> >> coffinphoto.com
> >>
> >>
>
> 



Chris Coffin
http://coffinphoto.com
http://coffindesign.com




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