>
> Josh,
>
> Thanks a lot for your help and patience.
> As you may have guessed I'm trying to linearize an already existing
> curve, following the method below (found in the Eye-one-readme file) :
>
> "Linearize a QuadToneRIP Curve
>
> The Linearization process is simply creating a correction curve using
> the above
> data to straighten the L data graph. To use this feature, simply
> create the ink
> description file, doing the partitioning. "
>
> > can I use an existing ink description file here, and simply delete
> the LINEARIZE line before I proceed ?
> > I only want to fine tune an existing curve for the R2400 and UC inks.
>
> "The GRAY_HIGHLIGHT and
> GRAY_SHADOW fields can be approximated at 4 and 8 respectively."
>
> > do i need to follow this advice if I'm working on an already
> existing file (where different values are filled) ?
>
> "Make the
> quad curve and print out the Step-21-gray stepwedge, and measure as
> above."
>
> > well... actually, how do I make the quad curve from the ink
> description file ? Drop-Quad-Profile ?
> > I guess I have to install the new quad curve before printing ? Run-
> Install-Curves is the way to go ?
>
> "The last line has the linearization info. Triple-click on it, Copy
> the whole line and
> Paste it to the bottom of the ink description file. Re-process the
> ink file with
> Drop-Quad-Profile. "
>
> > and I should end up with a new linearized curve I have to install ?
>
> sorry for the FWOB, I'm really confused, and christmas' excess don't
> seem to help me grab the whole thing.
>
> best,
> fred
>
>
> Le 24 déc. 05 à 17:54, joshhackney a écrit :
>
> >
> > Fred,
> >
> > I assume if you are printing the 51 step wedge that you have
> > already finished your ink
> > limits and partitioning, or you are using a curve from someone else.
> >
> > I'm not sure if you are trying to linearize your curve, or create
> > an icc profile using QTR
> > Create ICC. If you are trying to linearize, make sure there is no
> > linearization data at the
> > bottom of the curve file - just delete the whole linearization
> > line. If you are trying to
> > create an icc file, just proceed to the next step. If you have no
> > idea what I am talking
> > about, try rereading the documentation.
> >
> > Now, open the 51 step random target within PS, print it with "No
> > color management" from
> > within CS2, or "Same as Source" from older PS versions. Within the
> > QTR setup screen, do
> > NOT select calibration - select the curve you have created (or
> > downloaded).
> >
> > You can scan it right after printing, but I have found that you
> > really need to allow the
> > target to dry overnight to get the best results. Within
> > MeasureTool, select "51 step
> > random", it will ask you to place the i1 on the calibration target,
> > and after the calibration,
> > the dialog will pop-up. Select "strip with no gaps", and scan
> > away. Once you save the txt
> > file, go to Finder. Drag that text file and drop on "Drop-
> > Linearize-Data.app" if you are
> > trying to linearize, or drop it on "QTR-Create_ICC.app" if you are
> > trying to create an icc
> > file.
> >
> > Good luck!
> >
> > Josh
> >
> > --- In QuadtoneRIP@yahoogroups.com, "fred_h67" <fensys@g...> wrote:
> > >
> > > Hi all,
> > >
> > > I'm giving this process a try with QTR 2.3.4 on a Mac (printer is a
> > > R2400 with UC inks).
> > >
> > > Following the instructions in the Eye-One folder, I started to print
> > > the 51 steps wedge. There were no particular instructions so I tried
> > > to print without CMS and selected the quadtone calibration mode
> > in the
> > > settings...
> > > IMHO this must be wrong cause I get a colour wedge, and the i1
> > reports
> > > "too many errors" when reading the strips (I guess it expects a
> > > greyscale one like I do).
> > > So what printer settings should I use to print this wedge ?
> > >
> > > Thanks in advance - and please accept my apologies if this has been
> > > discussed already, I didn't manage to find a similar topic in the
> > > group though.
> > >
> > > Fred
> > >
> >
> >
> >
> >
> >
> > YAHOO! GROUPS LINKS
> >
> > Visit your group "QuadtoneRIP" on the web.
> >
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> >
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> >
> >
>