QTR-Quadtone RIP

Thanks Lou.

What is BPC and perceptual intent?  Where do I go in PS?

David

--- In QuadtoneRIP@yahoogroups.com, "Louis Dina" <lbdina@c...> wrote:
> David,
> 
> Embedded profiles are ignored by QTR.  It does not "do" color 
> management.  It simply looks at the raw numbers in the files and 
> outputs the data.  
> 
> There are two or three popular ways to get a print that matches 
your 
> screen.  
> 
> 1.  Use Roy Harrington's Gray Lab profiles.  Edit in Gray Lab 
until 
> you like the way the image looks.  On a PC, you then convert your 
> finished file to the Gray Matte profile for printing on matte 
papers, 
> or the Gray Photo profile for glosy, luster, semigloss papers.  
This 
> remaps the tonal range to fit nicely on these papers.  Use BPC and 
> Perceptual intent when converting.
> 
> 2.  Use Carl's soft proofing profiles.  You print a 21 step 
grayscale 
> and create a small profile with your spectrophotometer and 
profiling 
> software, just like you would any profile.  When you soft proof in 
> Photoshop, click Preserve Color Numbers.  You will see both the 
tonal 
> range and coloration of the profile.
> 
> 3.  Some people create dot gain curves in Photoshop to visually 
match 
> the screen display to the printed output.  Paul Roark's site has 
this 
> procedure written out.
> 
> I believe Carl's profiles are cross platform.  He has just 
compressed 
> the file using Stuffit.  Should work.
> 
> Lou
> 
> --- In QuadtoneRIP@yahoogroups.com, "David Sinai" <dsinai@y...> 
wrote:
> > Hi,
> > 
> > I've been doing BO for quite some time and I'm ready for a new 
> > challenge.
> > 
> > I just dowloaded QTR and I am eager to try it. But, I have two 
> > questions before I start:
> > 
> > 1) When saving the file as grey scale, do I need to imbed a 
> profile? 
> > Without imbedding a profile, how would QTR 
> know/understand/interpret 
> > the tones in my image? 
> > 
> > 2) I downloaded the Carl Schoefield's soft
> > proof file for the 2200 and QTR?  I am running a PC
> > and the files that I received were *.sit files, not *.exe files.
> > 
> > On the QTR website, the directions say: 
> > 
> > "See Carl Schofield's website for Soft Proofs of 2200 profiles. 
To 
> > use the soft proofs, simply install them by double-clicking 
> > InstallProofs. You have to restart Photoshop and then under 
> > View>Proof Setup you will see all the proofs."
> > 
> > Are these files for the Mac only?
> > 
> > I would like to soft proof the image in PS before I print in 
QTR. I 
> > am running a PC with PS CS and Windows XP.  Can someone point me 
in 
> > the right direction?
> > 
> > Thanks in advance for your help.
> > 
> > David