QTR-Quadtone RIP

Hi, I just sprung for an Eye One Photo kit so I can linearize and do 
my own icc profiles.

Having a little trouble getting started. I've installed ProfileMaker 
and placed the test chart ref files in the appropriate directory. As 
per the pdf instructions in the Eye One folder I selectd the QTR-21-
random test chart for my first attempt.

This brings up a very small window with a very small 21 strip wedge 
(my monitor resolution is 1600x1200). A dialog box tells me to stick 
the Eye One on the white reference. I assume this means the white 
reference chip in the base of the Eye One instrument holder, so as 
long as that's right I should be calibrated correctly.

Next I get the measurement window opening and after selecting Strip 
without gaps I get asked to read strip 1. The window shows what 
looks like the original stepwedge at the top, a slightly greyed out 
one immediately below, and then a third slightly greyed out one 
below the other two sitting in a box.

What am I supposed to do? Press the Eye One spectro up against the 
monitor and depress the button on it's side and slide it from left 
to right? If so, which wedge do I use, the top, middle, or bottom 
one? When I look from the side of the instrument while pressing the 
button I see a light circle, so with difficulty I can seem to get it 
centered more or less on a strip, but when I hold down the button on 
the side of the instrument and slide it along the monitor I get a 
message telling me too many errors and to read strip 1 again.

I suppose I could reset my monitor to some lower resolution which 
would make the strip wedges bigger but I get the feeling I am 
getting off on the wrong foot here. Anyone?

Dave Meddings

--- In QuadtoneRIP@yahoogroups.com, "David Meddings" <meddings@...> wrote:
>
> Hi, I just sprung for an Eye One Photo kit so I can linearize and do 
> my own icc profiles.
> 
> Having a little trouble getting started. I've installed ProfileMaker 
> and placed the test chart ref files in the appropriate directory. As 
> per the pdf instructions in the Eye One folder I selectd the QTR-21-
> random test chart for my first attempt.
> 
> This brings up a very small window with a very small 21 strip wedge 
> (my monitor resolution is 1600x1200). A dialog box tells me to stick 
> the Eye One on the white reference. I assume this means the white 
> reference chip in the base of the Eye One instrument holder, so as 
> long as that's right I should be calibrated correctly.

Dave,

You need to PRINT the QTR-21-random test chart. Then read with the Eye One.

Don't know if you are on Windows or Mac. Mac has text paper profiles that are easy to 
edit.

To re-linearize delete the complete line like this in the original paper profile: 
LINEARIZE="0.029 0.077 0.141 0.217 0.299 0.379 0.469 0.554 0.643 0.732 0.816 0.891 
0.969 1.048 1.133 1.219 1.308 1.390 1.469 1.569 1.664 "

Turn off all color management in Photoshop and print test chart using QTR. Let dry for a 
few hours or use a hair drier for a few minutes and read with Eye-One. Copy and past new 
linearization output from Eye-One/QTR script into paper profile.

Thanks John, that would certainly make sense. I don't feel entirely 
stupid though, as if you follow the directions in the pdf closely 
they do not say anything about printing the file. At the stage I am 
at they very much give the impression of being in ProfileMaker only, 
and the dialog boxes etc. they refer to are all coming up in 
ProfileMaker. Later on the instructions do talk about printing a 
target so I assumed the lack of any such mention in the first part of 
the instructions meant we were supposed to be working off the monitor.

So am I meant to actually open the relevant tiff in Photoshop first 
and then print using QTR? If so, what am I meant to do with it in PS? 
Why not simply select the relevant file and print directly from QTR?

Sorry for the basic questions and if there's a walk through on the 
net somewhere I'd be happy to get pointed there. I've searched the 
yahoo group archives here but words like 'profile' 'i1' and 'eyeone' 
bring up lots of individual posts but little in terms of a clear step 
by step procedure. The pdf with the QTR installation seems pretty 
clear but as my own experience shows it's easy to go astray.

Thanks again for your direction John and thanks also if you wouldn't 
mind keeping me moving in the right direction by clarifying the 
questions I raise above,

Dave Meddings 

 
> Dave,
> 
> You need to PRINT the QTR-21-random test chart. Then read with the 
Eye One.
> 
> Don't know if you are on Windows or Mac. Mac has text paper 
profiles that are easy to 
> edit.
> 
> To re-linearize delete the complete line like this in the original 
paper profile: 
> LINEARIZE="0.029 0.077 0.141 0.217 0.299 0.379 0.469 0.554 0.643 
0.732 0.816 0.891 
> 0.969 1.048 1.133 1.219 1.308 1.390 1.469 1.569 1.664 "
> 
> Turn off all color management in Photoshop and print test chart 
using QTR. Let dry for a 
> few hours or use a hair drier for a few minutes and read with Eye-
One. Copy and past new 
> linearization output from Eye-One/QTR script into paper profile.
>

--- In QuadtoneRIP@yahoogroups.com, "David Meddings" <meddings@...> wrote:
>
> Thanks John, that would certainly make sense. I don't feel entirely 
> stupid though, as if you follow the directions in the pdf closely 
> they do not say anything about printing the file. At the stage I am 
> at they very much give the impression of being in ProfileMaker only, 
> and the dialog boxes etc. they refer to are all coming up in 
> ProfileMaker. Later on the instructions do talk about printing a 
> target so I assumed the lack of any such mention in the first part of 
> the instructions meant we were supposed to be working off the monitor.
> 
> So am I meant to actually open the relevant tiff in Photoshop first 
> and then print using QTR? If so, what am I meant to do with it in PS? 
> Why not simply select the relevant file and print directly from QTR?
> 
> Sorry for the basic questions and if there's a walk through on the 
> net somewhere I'd be happy to get pointed there. I've searched the 
> yahoo group archives here but words like 'profile' 'i1' and 'eyeone' 
> bring up lots of individual posts but little in terms of a clear step 
> by step procedure. The pdf with the QTR installation seems pretty 
> clear but as my own experience shows it's easy to go astray.
> 
> Thanks again for your direction John and thanks also if you wouldn't 
> mind keeping me moving in the right direction by clarifying the 
> questions I raise above,
> 
> Dave Meddings 
> 
>  
> > Dave,
> > 
> > You need to PRINT the QTR-21-random test chart. Then read with the 
> Eye One.
> > 
> > Don't know if you are on Windows or Mac. Mac has text paper 
> profiles that are easy to 
> > edit.
> > 
> > To re-linearize delete the complete line like this in the original 
> paper profile: 
> > LINEARIZE="0.029 0.077 0.141 0.217 0.299 0.379 0.469 0.554 0.643 
> 0.732 0.816 0.891 
> > 0.969 1.048 1.133 1.219 1.308 1.390 1.469 1.569 1.664 "
> > 
> > Turn off all color management in Photoshop and print test chart 
> using QTR. Let dry for a 
> > few hours or use a hair drier for a few minutes and read with Eye-
> One. Copy and past new 
> > linearization output from Eye-One/QTR script into paper profile.
> >
>

Dave,

Do you have a starting point to print from? I mean it is easy to use
an existing paper(profile) to start with. In the Curve creation tab,
choose a paper which is close to the paper you are working with. Save
it under a different name. Then throw away the linearizing date from
the linearization tab. Create the curve (push the button!) Then in the
main interface choose the curveprofile you just made and select the
stepwedge image you want to measure from. Use the other fields exactly
the same as you want to(resolution, speed, ...) Then Print!
Let the paper dry for a while. Measure using profile maker. Throw the
textfile you create on the Linearize-data.exe file in the eye-one
folder in QTR and use the linearizing date in the just new created
(out)file and copy and paste it in the above mentioned linearization
tab. That's it. (I think)

Steven.

Thanks Steve, this is starting to make more sense to me now.

I have been using Daniel Staver's curves for HPR, Entrada and EEM for 
my UT-7 inkset so I certainly have a starting point. I still don't 
see what the use of Photoshop is in all of this. As I see it (and 
hopefully I am getting it right this time), the process seems to be:

1. Rename an existing profile and delete existing linearize data as a 
starting point.
2. Print one of the tiffs in the QTR release Eye One folder (most 
recommend the 21 random stepwedge) using QTR with all settings as you 
want them and use the renamed profile from step 1.
3. Let it dry and then measure with the Eye One while running the 
Measure subroutine of ProfileMaker
4. Use the resulting textfile out of ProfileMaker in Linearize-
data.exe and copy/paste output linearize data back into renamed curve 
under the linearize data tab.

I'll give that a go...is there any place on the net that gives all of 
this a thorough going over? I'd love to do my best to make the best 
curves I can for my setup but have the feeling I'll not be making 
full use of the various options etc. 

Dave


> Dave,
> 
> Do you have a starting point to print from? I mean it is easy to use
> an existing paper(profile) to start with. In the Curve creation tab,
> choose a paper which is close to the paper you are working with. 
Save
> it under a different name. Then throw away the linearizing date from
> the linearization tab. Create the curve (push the button!) Then in 
the
> main interface choose the curveprofile you just made and select the
> stepwedge image you want to measure from. Use the other fields 
exactly
> the same as you want to(resolution, speed, ...) Then Print!
> Let the paper dry for a while. Measure using profile maker. Throw 
the

> textfile you create on the Linearize-data.exe file in the eye-one
> folder in QTR and use the linearizing date in the just new created
> (out)file and copy and paste it in the above mentioned linearization
> tab. That's it. (I think)
> 
> Steven.
>

--- In QuadtoneRIP@yahoogroups.com, "David Meddings" <meddings@...> wrote:
>
> Thanks Steve, this is starting to make more sense to me now.
> 
> I have been using Daniel Staver's curves for HPR, Entrada and EEM for 
> my UT-7 inkset so I certainly have a starting point. I still don't 
> see what the use of Photoshop is in all of this. As I see it (and 
> hopefully I am getting it right this time), the process seems to be:
> 
> 1. Rename an existing profile and delete existing linearize data as a 
> starting point.
> 2. Print one of the tiffs in the QTR release Eye One folder (most 
> recommend the 21 random stepwedge) using QTR with all settings as you 
> want them and use the renamed profile from step 1.
> 3. Let it dry and then measure with the Eye One while running the 
> Measure subroutine of ProfileMaker
> 4. Use the resulting textfile out of ProfileMaker in Linearize-
> data.exe and copy/paste output linearize data back into renamed curve 
> under the linearize data tab.
> 
> I'll give that a go...is there any place on the net that gives all of 
> this a thorough going over? I'd love to do my best to make the best 
> curves I can for my setup but have the feeling I'll not be making 
> full use of the various options etc. 
> 
> Dave
> 
> 
> > Dave,
> > 
> > Do you have a starting point to print from? I mean it is easy to use
> > an existing paper(profile) to start with. In the Curve creation tab,
> > choose a paper which is close to the paper you are working with. 
> Save
> > it under a different name. Then throw away the linearizing date from
> > the linearization tab. Create the curve (push the button!) Then in 
> the
> > main interface choose the curveprofile you just made and select the
> > stepwedge image you want to measure from. Use the other fields 
> exactly
> > the same as you want to(resolution, speed, ...) Then Print!
> > Let the paper dry for a while. Measure using profile maker. Throw 
> the
> > textfile you create on the Linearize-data.exe file in the eye-one
> > folder in QTR and use the linearizing date in the just new created
> > (out)file and copy and paste it in the above mentioned linearization
> > tab. That's it. (I think)
> > 
> > Steven.
> >
>

Well, that is it i think. I couldn't find either what i wanted about
profiling but after reading a lot of posted messages and the help
files in QTR I understood. Did you make a calibration target print
also? I found out that the grey values i measured where sligtly
different then the ones in the example profile i used. Also i used the
4X21 stepwedge because i encountered some banding with the profile i
made with the single 21 stepwedge. That was one of Roy's tip i saw on
this forum. Now i have perfect B/W images which looks exactly the same
 (well, almost) as i see on my monitor.

Steven.

Hi Steven,

I haven't yet made a calibration target but will do so. Just trying to 
work my way through the steps in the help file of the EyeOne folder and 
got messed up on the first step but should be able to get on track and 
get some progress now. Thanks again and thanks for the remark about 
your comment on the 4x21 stepwedge....will look out for that.

Dave

--- In QuadtoneRIP@yahoogroups.com, "Steven" <X5682pdb00@...> wrote:

>
> 
> Well, that is it i think. I couldn't find either what i wanted about
> profiling but after reading a lot of posted messages and the help
> files in QTR I understood. Did you make a calibration target print
> also? I found out that the grey values i measured where sligtly
> different then the ones in the example profile i used. Also i used the
> 4X21 stepwedge because i encountered some banding with the profile i
> made with the single 21 stepwedge. That was one of Roy's tip i saw on
> this forum. Now i have perfect B/W images which looks exactly the same
>  (well, almost) as i see on my monitor.
> 
> Steven.
>