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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