Digital BW, The Print

In a message dated 9/27/07 3:50:18 PM, djon43@... writes:


> David, I understand your measurement orientation and your specific
> product interest and I don't deny its current utility, given the
> current state of inkjet technology.
> 
> However, to the extent that we think about photography, and some of us
> actually do, skilled eyes come into the equation and will remain
> there, as products and technologies such as yours come and go. 
> 

Agreed, but the units and concepts that are most appropriate for digital 
imaging are RGB, Lab, and Delta-E. This is as true for visual stuff as measured 
stuff. I could choose to use Pantone values as a system for defining color, but 
they are totally unrelated to RGB values, have no logic in Lab, and aren't 
defined on any Delta-E grid, so they would be an inapropiate choice for my usage 
(they would be very useful if my usage was to produce spot color inks for 
offset printing). I feel the same way about "5 ccs too magenta" methodology, 
though it does have a visual teaching method built into it that could be valuable. 
Developing a digital version of that, labeled in current units, would be a 
good project for someone with an interest in visual discernment training, and an 
excellent Photoshop plugin...

C. David Tobie
Product Technology Manager
ColorVision Business Unit
Datacolor Inc.
CDTobie@...
www.colorvision.com


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