QTR-Quadtone RIP

Hallo Roy,

thank you for the explanation. I\ufffdll try to go on with this knowledge.

Best Regards

Rainer

Roy Harrington schrieb:
>
> Hi Rainer,
> The two programs QTR-Linearize-Data and QTR-Create-ICC are both 
> designed to
> take the same kind of input -- what you get out of QuickRead. So the
> problem
> is putting the output of one in to the other one.
>
> Since they are so similar it's easy to confuse the different purposes.
> The QTR-Linearize-Data is used in creating and linearizing a QTR
> profile/curve.
> This is done without any ICC profiling at all.
>
> Once you have a linearized QTR curve you may want to ICC profile it so 
> that
> the
> color management features of Photoshop can be used. You'll print out a
> completely
> new stepwedge with the linearized curve, read it with QuickRead and use
> QTR-Create-ICC.
> The resultant ICC can be used as a print profile and for softproofing.
>
> Roy
>
> On Jan 5, 2008 8:45 AM, Rainer Taube <rainer@... 
> <mailto:rainer%40tauberlin.de>> wrote:
>
> > Hallo,
> >
> > my name is Rainer Taube, i\ufffdm from Berlin, Germany. I didn\ufffdt work with
> > QTR for a longer time and now, trying to come back and understand again
> > how things are working, i found something that confuses me.
> >
> > 1. I printed the Step-21-gray.tiff with Photoshop, no profile assigned.
> > 2. I measured the Lab numbers with QuickRead which is still on my
> > machine and i find it useful.
> > 3. I exported the measured values
> > 4. I drew the file on QTR-Linearize-Data.exe
> > 5. The programme generates the ..._out.txt without error messages.
> > Looking in it, all seems to be fine.
> > 6. I drew th ..._out.txt file on QTR-Create-ICC.exe. An ....ICC is
> > generated without error messages. So far so good.
> >
> > ...
> >
> > Best regards
> >
> > Rainer Taube
> >
> >
> >
>
> [Non-text portions of this message have been removed]
>
>