Digital BW, The Print

Got it.  BTW I just map from QTR Lab to Adobe RGB (and afterwards back
again) for sharpening with Photokit Sharpener Pro.  It is a final step and
doesn't affect my master file.  Otherwise about the only conversions I am
doing are scanner tagged input or sRGB from my pocket digital (my 1Ds MK II
shoots Adobe RGB) to Adobe RGB and perhaps the odd Adobe RGB to QTR Lab.
For all of that I have been using the general intent relative colormetric
for the moment.  When might one not want to use relcol in these instances?

For printing (workspace to printspace), I always use Perceptual.


> From: Carolyn Frayn <carolyn@...>

> You asked what people were using for general intent, and I expressed
> basically that I don't use that setting at all. In my opinion it's best to
> use 'convert to profile' and indicate what space and what intent you wish to
> use for each circumstance.  I also never allow PS to convert on the fly when
> opening a file. Also, if you are relying on your color settings for
> conversions, you aren't given the opportunity to assign rather than convert.
> Which I use at times.
> 
> You do a lot of conversions from your description. Even in 16 bit your files
> are subject to rounding errors during conversion. I try not to convert a
> file very often during my workflow. I'm unclear why you are converting back
> to RGB for sharpening.
> 
> Also by your description you have set your gray space in color settings as
> QTR Lab.  The only time the general intent is used is if you are going to
> the mode menu and choosing a space available (which in turn uses what spaces
> you have selected in the color settings) I use different spaces for
> different work, requiring a choice within those spaces when converting... So
> again, I was just saying that I, and others, don't use the general intent.
> 
> As for printing... I use relcol usually. I prefer the way it maps my white
> points, and keeps the values where intended. That said, I keep my gamut
> between the two in check prior to conversion so there isn't a great deal of
> mapping required.
> Carolyn
>