Digital BW, The Print

Thanks.  Are Carl's curves different from the curves I downloaded from Roy's 
site and, if so, where do I find them?


--- In DigitalBlackandWhiteThePrint@yahoogroups.com, Steve Kale <
stevekale@b...> wrote:
> 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@h...>
> 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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