Digital BW, The Print

>
> Is there a way to have Photoshop show the actual tones that are 
> recorded in the ICC? In this case the ICC is one made with Create ICC 
> RGB. 
> 
> That is, when I use "convert to profile" and that profile is of, for 
> example, a cold paper the tones that seem to be previewed on the 
> monitor always set the white point to R,G,B = 255, 255, 255 (Lab 100, 
> 0,0) even though the ICC clearly contains the paper cold paper tone.  
> Likewise, where the range of, for example, Lab B is -2 to +2, it 
> appears what shows up in the PS Information palette is a range from 0 
> to 4.
> 
> It looks like the system always adjusts the white point to neutral and 
> then shows the relative tones.  Is there a way to avoid this?
> 
> Thanks,
> 
> Paul
> www.PaulRoark.com
>

> > then shows the relative tones.  Is there a way to avoid this?
> > 
> > Thanks,
> > 
> > Paul
> > www.PaulRoark.com
> >
>

>
> Thanks Tyler.  What I'm trying to do is get people a visual example 
> of print tones as well as the graphs I publish.  It appears many 
> don't understand the graphs and are surprised by the print tones 
> they're getting.  It may be that the soft proofing, then a screen 
> grab, and finally fine-tuning to match the PS info palette readouts 
> to the actual spectro values may be what I'll have to do.  (There's 
> got to be a better way.)  Even when I do that, my calibrated monitor 
> still doesn't really look like what is on my walls.  I think at the 
> low Lab A & B values I'm dealing with the print lighting and display 
> may have too much impact on the final display look to have any 
> computer monitor be a very good predictor.  Oh well...
> 
> Paul
> www.PaulRoark.com 
> 
> --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Tyler Boley" 
> <tyler@> wrote:
> >
> > Paul, not in the conversion preview or normal Photoshop viewing. But
> > in soft proof, yes. You'll see the paper white check box there...
> > Tyler
> > http://www.custom-digital.com/
> > 
> > --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "pr_roark"
> > <pr_roark@> wrote:
> > >
> > > Is there a way to have Photoshop show the actual tones that are 
> > > recorded in the ICC? In this case the ICC is one made with Create 
> ICC 
> > > RGB. 
> > > 
> > > That is, when I use "convert to profile" and that profile is of, 
> for 
> > > example, a cold paper the tones that seem to be previewed on the 
> > > monitor always set the white point to R,G,B = 255, 255, 255 (Lab 
> 100, 
> > > 0,0) even though the ICC clearly contains the paper cold paper 
> tone.  
> > > Likewise, where the range of, for example, Lab B is -2 to +2, it 
> > > appears what shows up in the PS Information palette is a range 
> from 0 
> > > to 4.
> > > 
> > > It looks like the system always adjusts the white point to 
> neutral and 
> > > then shows the relative tones.  Is there a way to avoid this?
> > > 
> > > Thanks,
> > > 
> > > Paul
> > > www.PaulRoark.com
> > >
> >
>

>
> Tyler,
> >
> >... Try this, convert to your profile, then convert again to
> > sRGB, ... but use Absolute Colormetric for the rendering 
> > intent. That will accurately put the paper white point 
> > and ink black points into the sRGB space without endpoint
> > correction. Is that more useful?
> 
> That almost works.  The 5% patch for some reason gets too light -- only 
> one Lab L unit darker than the 0% patch.  
> 
> Paul
> www.PaulRoark.com
>

On Nov 17, 2008, at 6:38 PM, "Tyler Boley" <tyler@...> wrote:

> the continuing and constantly changing but never diminishing mysteries
> of color management, there may be no perfect solution.
> By the way, I've had this wind up displaying very yellow in some
> browsers or apps, for no apparent reason. The massive bulbous brains
> on the colorsync list ignored my alerts and went back to who has the
> biggest pocket protector, so I don't know what's up there.
> The solution, if this happens to you, is first convert to a nice bigs
> space (ARGB or whatever) with Absolute Colormetric, the once more to
> sRGB with Relative. I know I know, but it worked. Coverting in PReview
> worked to, but that's a Mac app.
> T
>
> --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "pr_roark"
> <pr_roark@...> wrote:
>>
>> Tyler,
>>>
>>> ... Try this, convert to your profile, then convert again to
>>> sRGB, ... but use Absolute Colormetric for the rendering
>>> intent. That will accurately put the paper white point
>>> and ink black points into the sRGB space without endpoint
>>> correction. Is that more useful?
>>
>> That almost works.  The 5% patch for some reason gets too light --  
>> only
>> one Lab L unit darker than the 0% patch.
>>
>> Paul
>> www.PaulRoark.com
>>
>
>
>
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