Digital BW, The Print

Chip 

The curves have not been designed so that one produces a dead neutral print
although there is nothing stopping someone with a photospectrometer from
designing a curve that does just that.  I have a 2100 and have typically
used Carl¹s curves 50:50 warm:cold as a starting point.  I would suggest
starting at this ratio and tweaking to suit.

Steve


From: "chipcarterdc" <chipcarterdc@...>
Reply-To: DigitalBlackandWhiteThePrint@yahoogroups.com
Date: Thu, 15 Apr 2004 14:22:40 -0000
To: DigitalBlackandWhiteThePrint@yahoogroups.com
Subject: [Digital BW] QuadTone RIP blending or custom curves for most
"neutrality"

Just started running Roy Harrington's QuadTone RIP 2.0 (QTR) on my 9600
and am pretty impressed thus far.  However, when looking at the curve
choices, I noticed that you have the following tone choices:  Sepia, Cool,
CoolSe (Selenium, I assume) and Warm.  None of these is labeled "neutral",
and that is accurate.  I quite like the CoolSe curve, and will likely
continue 
using that.  But it is not "neutral" -- it has the look of a lightly
selenium toned 
print.  The "Cool" curve, as its name indicates, isn't "neutral" either --
it's got 
the look of a cool tone wet darkroom paper.

What I'm wondering is if anyone has come up with a QTR custom curve that
produces a neutral grayscale print?  (By the way, I'm making my judgments on
neutrality by holding the prints next to a wet darkroom print of the same
image 
on Ilford Multigrade).  Or a combination of curves via the QTR blending
option 
that produces neutral grayscale prints?  I'll reiterate that I quite like
the CoolSe 
curve, but there are times (like in the wet darkroom) where I won't want the
slight purplishness of a selenium toned print.  This is not at all to bash
QTR, 
but ImagePrint, for example, when the Tint Picker is set to neutral,
produces a 
print that is a bit cooler than the QTR CoolSe selection, yet without the
coldish 
tone of QTR's Cool selection, and therefore closer to what I consider
"neutral."  
I'm assuming that the same thing is possible with QTR's ability to create or
blend curves, but if someone else has figured it out, I'd appreciate the
benefit 
of your experience.

(All prints mentioned above were on Epson Enhanced Matte -- if the inherent
tone of the paper has a significant impact on what I'm seeing (e.g., with
Ultrasmooth, the CoolSe curve looks significantly different), please let me
know)

By the way: regardless of whether I ultimately stick with QTR, I'll be
sending 
Roy the $50 shareware fee as soon as I get a chance -- it's an amazing piece
of work that those of us with the $ to do so should support.



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