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QTR-Quadtone RIP

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Message

Re: Soft Proofing QTR in Photoshop

2007-04-17 by dlruckus

Hi Alan.
Try unchecking preserve color #s and go from there. Also look back a
few weeks in archives here for Roy's post regarding the different uses
of softproofing. I think it may help you with your problem.
Also, what do you get if you simply convert the 21 step grayscale to
Qtrmatt.icc or photo and print it? You should get a nice black. If you
don't, it might mean your curves aren't correct.

Regards
Duane


--- In QuadtoneRIP@yahoogroups.com, "Alan Ansell" <aansell@...> wrote:
>
> 
>  Thanks, Tom
> I have thought about those two options but here's the thing:
> I thought that the soft-proofing was a means to show what the final
print WILL look like, so that we can make any necessary adjustments
beforehand. My images are converted to the QTR grayscale profiles, but
here's the thing: It doesn't matter which profile I convert to in a
visual sense (I accept that there may be an issue here over the actual
gray values used in the conversion) - I still have these 'compressed'
deep blacks (greys). The profile shows this. Toggling the profile view
switches between the 'true' respresentation of the file print space -
and the richer non-altered deep blacks. I can convert to either of the
grayscale profiles - both gloss paper and matte - which seems to allow
for greater Dmax - and both of them show this 'compression'. If I edit
the image with a curve adjustment layer to increase gray values, this
edited image is still 'restricted' by viewing through the soft proof
setup.
> As I mentioned in my post, if I use photoshop curves and just print
through the print preview pane, I get much richer blacks. I can use
the standard gray gamma 2.2 soft proof or none at all - but the
results, while not as mangeable in a workflow sense as using QTR, are
significantly better. What I'm trying to discover through this post is
both  why this difference exists and how to make sure that using the
QTR gray profiles allows me to print the full range of gray values. If
I select a neutral toned image in QTR - these curves don't even use
the black ink. If I simply make some nice dark blacks on my monitor
and print with photoshop curves - I don't have any control over how
the conversion is done and my printer may well use the black ink, but
the resulting image is much richer.
> It may just be some overlook during setup or I may be
misunderstanding how to use QTR - either way this difference in output
is confusing.
> 
> -- 
>   Alan Ansell
>   aansell@...
> 
> ----- Original message -----
> From: "Tom Moore" <rtmlists8888@...>
> To: QuadtoneRIP@yahoogroups.com
> Date: Tue, 17 Apr 2007 03:16:25 -0000
> Subject: [QuadtoneRIP] Re: Soft Proofing QTR in Photoshop
> 
> Alan
> You have two options:
> 1. Set up your softproof as you describe, then make a further edit to
> the image to adjust the shadows and contrast to your liking (possibly
> using a curve adjustment layer, for example) and then print the image.
> 2 Convert your image working space to QTR-Gray-Photo-Paper and then
> print the image.
> Tom Moore
> --- In [1]QuadtoneRIP@yahoogroups.com, "alan9990_6" <aansell@> wrote:
> >
> > Hi all,
> >
> > I'm hoping that someone can provide an explanation of the following -
> ...
> > I understand that matt papers have greater Dmax yes, but this is about
> > printing the same image on the same pearl (lustre) paper - with the
> > non RIP version producing better results. However, I'm both convinced
> > that QTR will give me the same if not better output than the curves,
> > plus I'd really like to keep my soft proofing capability.
> >
> > Can anyone suggest where I might be going wrong?
> >
> 
> 
> References
> 
> 1. mailto:QuadtoneRIP%40yahoogroups.com
> 2.
http://groups.yahoo.com/group/QuadtoneRIP/message/4428;_ylc=X3oDMTM1Mjc3Y2RuBF9TAzk3MzU5NzE0BGdycElkAzE0ODM0MzQ3BGdycHNwSWQDMTcwNTAxOTE4MgRtc2dJZAM0NDMxBHNlYwNmdHIEc2xrA3Z0cGMEc3RpbWUDMTE3Njc3OTc5NwR0cGNJZAM0NDI4
> 3.
http://groups.yahoo.com/group/QuadtoneRIP/post;_ylc=X3oDMTJxOTh1MjNuBF9TAzk3MzU5NzE0BGdycElkAzE0ODM0MzQ3BGdycHNwSWQDMTcwNTAxOTE4MgRtc2dJZAM0NDMxBHNlYwNmdHIEc2xrA3JwbHkEc3RpbWUDMTE3Njc3OTc5Nw--?act=reply&messageNum=4431
> 4.
http://groups.yahoo.com/group/QuadtoneRIP/post;_ylc=X3oDMTJmajQyNDFrBF9TAzk3MzU5NzE0BGdycElkAzE0ODM0MzQ3BGdycHNwSWQDMTcwNTAxOTE4MgRzZWMDZnRyBHNsawNudHBjBHN0aW1lAzExNzY3Nzk3OTc-
> 5.
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> 6.
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> 7.
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> 8.
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> 9.
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>   10.
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>   11.
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>   12.
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>   13.
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>   14.
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>   15.
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>   16. http://docs.yahoo.com/info/terms/
>   17. mailto:QuadtoneRIP-unsubscribe@yahoogroups.com?subject=
>   18.
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>   19.
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>   20.
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>   21.
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>   22.
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>   23.
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>   24.
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>   25.
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>   26.
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>   28.
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> 
> 
> [Non-text portions of this message have been removed]
>

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