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Digital BW, The Print

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Re: Combing cure -- change size after the curves are applied

2002-03-21 by tzinzunzan2000

Interesting. Are you using the magenta slider in the printer dialog? 
If possible, could you outline the steps you take? 

Chris Hargens

--- In DigitalBlackandWhiteThePrint@y..., "janishilesh" 
<shilesh.jani@s...> wrote:
> Additonally (off-topic), I am working on using the VM inks without 
> any partitioned curves. Instead I use a global RGB curve to control 
> density, and use of the the following to control tone (1) using the 
> magenta slider, and (2) using color adjustment layer (magenta 
bias). 
> Both of these are doable, with #2 providing a more tone controlled 
> image. I use a 1280 printer, and am finding less posterization with 
> my work flow (once perfected).
> 
> Best wishes.
> 
> Shilesh
> 
> --- In DigitalBlackandWhiteThePrint@y..., "Paul Roark" 
> <paul.roark@v...> wrote:
> > As noted by a couple of forum members, the image files that have 
had
> > partitioning workflows -- specifically the VM curves -- applied 
to 
> them can
> > show "combing" in the histogram.
> > 
> > While I have never identified this as a source of trouble in my 
> prints, I do
> > try to avoid this apparent reduction of grayscale steps as much 
as 
> possible.
> > 
> > One member (whose name, I apologize, I forget) noted that 
changing 
> the size
> > of the image could smooth it out.
> > 
> > I have just taken a look at this suggested approach to smooth-out 
> image
> > files.  Changing the size/pixel-count of the image does appear to 
> eliminate
> > the combing in the histogram.
> > 
> > Likewise, changing the size of the image file after the 
> partitioning/VM
> > curves have been applied seems to eliminate/smooth-out the 
combing.
> > 
> > My thanks to the member who shared the knowledge with us.  (I 
> apologize for
> > not remembering names.  Concepts I can handle -- names I can't.)
> > 
> > Based on this experience, my VM workflow relative to this 
includes: 
> working
> > at the scanner's native resolution as long as possible, and not 
> changing the
> > size of the image until after I have done all my editing, saved 
the 
> image,
> > converted to RGB, and applied the VM partitioning curves.
> > 
> > The very last step I now take is to change the size of the image 
in
> > Photoshop from the scanner's native resolution to my print size 
at 
> 360 dpi.
> > 
> > When I check the histogram there is no combing.
> > 
> > I have not analyzed prints to see if I can see any difference.
> > 
> > Paul
> > http://www.PaulRoark.com

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