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Digital BW, The Print

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Re: CM conversions was Re: [Digital BW] Quadtone RIP Faded print

2005-03-25 by Carolyn Frayn

> 
> Carolyn
> 
> Not sure I understand you.  I have PS set to ask what to do when it
> encounters a profile mismatch, eg importing a file that is tagged
> differently from the workspace (eg a scanner profile).  I convert to my
> workspace.  In Color Settings I have the conversion settings set as relative
> colormetric (black point and dither etc).  So this gets used when dealing
> with space conversions or when switching, say, between QTR Grey Lab and
> Adobe RGB for sharpening - actually for everything except when it comes to
> printing.  I was asking what others used for this setting.
> 
> Steve

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

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