Yahoo Groups archive

Digital BW, The Print

Index last updated: 2026-04-28 22:56 UTC

Message

Re: QTR Gray Profiles and Qimage -- Solved -- RGB Version

2005-02-01 by Roy Harrington

It appears that with Qimage and little cms, black point compensation and/or
perceptual intent work differently than with the Adobe CMM unless I'm setting
it up wrong too.  Do you have both Qimage and PS?

Roy

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Chris Hargens" 
<chargens@s...> wrote:
> 
> Black Point Compensation was turned on. Even so, seems like there 
> should be a simple fix to this problem. Perhaps upgrading to PS7. 
> 
> Chris 
> 
> 
> --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Roy Harrington" 
> <roy@h...> wrote:
> > 
> > 
> > This sounds like Black Point Compensation not being turned on.
> > 
> > Roy
> > 
> > --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Chris 
> Hargens" <chargens@s...> 
> > wrote:
> > > 
> > > 
> > > Yes, just ran a QTR Gray Lab file through Qimage with the QTR RGB 
> > > Matte printer profile selected. I then printed the resulting RGB 
> file 
> > > using QTR. The print looked good in the midtones and highlights 
> but 
> > > the the darker shadows had gone black.
> > > 
> > > Chris Hargens
> > > 
> > > --- In DigitalBlackandWhiteThePrint@yahoogroups.com, Ernst Dinkla 
> > > <E.Dinkla@c...> wrote:
> > >  A true
> > > > greyscale Tiff with QTR Gray Lab embedded and printed the same
> > > > way doesn't work with the QTR RGB printer profiles. It runs
> > > > but the processed tiff shows a lot of black..
> > > > 
> > > > Ernst

Attachments

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.