Digital BW, The Print

> From: Charles Wilber <cwilber@...>

> 
> I have several questions regarding the workflow for QTRgui using WinXP
> and PhotoShop. Here is what I do now. Please advise if this can be
> improved.
> 1. When opening a b&w file in PS I convert to QTR-Gray Lab space from
> my default Dot Gain 20%. I use Dot Gain 20% because I don't see a
> choice of QTR-Gray Lab in Color Settings.

You should be able to load QTR Grey Lab as your workspace.  I am on a Mac
and so there is likely someone out there better suited to help you as to why
you don't see it as an option but if you have placed the profile in the
right place (see the instructions in the download file) then it should
appear at the bottom of the list when you go to colour settings and then
select gray.


> 2. After finishing editing

I would save a master here.

> I then convert to QTR-Gray Matte Paper or
> Gray Photo Paper depending on whether I am printing to matte paper or
> glossy paper. I convert vs apply because the Win version requires me
> to save the file before exporting it to QTR.

Yes.  Should be about right - use a proof setup with simulate ink black
checked for an accurate preview of the print prior to going to 3.

> 3. I then jump to QTR, fill out the form and print. So far my prints
> look good but can I do better?


> 4. One problem I see is constantly changing back and forth between
> gray lab and Gray Paper. Does this degrade the file? Is there a way to
> set the default color setting as Gray Lab? Should I do so?

You should only go to a paper profile for your print version.  So keep a
master prior to this point.  Yes you should be able to have it as your
workspace and yes you should.  Generally Lab's L channel is more intuitive
for B&W work - I can't say the same for colour.  L=50 is Kodak grey and L is
linearised when making QTR curves.  All-in-all a little neater.