Yahoo Groups archive

Digital BW, The Print

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

Message

Re: QTR and Qimage

2004-08-22 by Tom Husband

> I can't comment on the difference in printing (dry setup still) 
> but I always suspected that the Qimage RGB routines may not 
> translate well in  greyscale printing.  Is it a 16 bit RGB file 
> that you get from the Print to File flow ? Roy probably can tell 
> what happens in QTR when RGB is translated.

Yes, it's a 16 bit RGB file.  Qimage does such a good job with it 
that I always use it for Paul Roark's curves.

> It never became clear why it couldn't be done but my guess is 
> that Qimage has an RGB colour engine only. The extrapolation, 
> colour management, sharpening are all based on that. Not that 
> strange as many print drivers default to monochrome (BO) printing 
> only if you feed them greyscale images. So I guess Mike thinks 
> that a good profiled colour printer usually delivers better B&W 
> than BO printing does. That's his opinion. He also sells Profile 
> Prism :-)

Profile Prism might have something to do with it but I think he's 
missing out on a nice little market here for Qimage.
  
> That he didn't want to add a greyscale conversion at the end of 
> Qimage's print to file route is a pity. Could just be that I'm 
> not the right person to ask for that feature. I've made a small 
> list of what could be added to make Qimage a better frontend for 
> QTR and send that to the Qimage list. You never know.
> 
> Ernst

He could surprise us though.  I'm keeping my fingers crossed.  
However anything having to do with QTR-GUI was kicked off his list so 
it could be "out of sight, out of mind" now.

Tom

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.