QTR-Quadtone RIP

Tom:  

Many thanks for the quick reply and the tips on how to make it 
easier.  QTR is sooo much easier to use than the non-intuitive RGB 
curves for printing through photoshop .

DRK


--- In QuadtoneRIP@yahoogroups.com, "Tom Moore" <r.t.moore@r...> 
wrote:
>
> David
> 
> The curve must be a single channel curve (i.e. from a grayscale 
file or
> single channel). In my experience the impact of an acv curve when 
applied to
> a QTR curve makes most sense when the display of the acv curve in 
PS is set
> up so that 0 density is on the bottom left of the PS curve display 
and 255
> (max) density is on the top right. That way lowering the acv curve 
has the
> same effect on the QTR curve.
> 
> Tom Moore
> 
> > -----Original Message-----
> > From: QuadtoneRIP@yahoogroups.com 
[mailto:QuadtoneRIP@yahoogroups.com] On
> > Behalf Of davidkeasey
> > Sent: Thursday, November 03, 2005 8:05 AM
> > To: QuadtoneRIP@yahoogroups.com
> > Subject: [QuadtoneRIP] Dumb Newbie question.... importing acv 
curves from
> > photoshop...
> > 
> > The documentation indicates that I can use an acv curve from
> > Photoshop, but I haven't a good idea how to do this... and the
> > documentation is simply not at all clear. Do I just build an 
arbitrary
> > grayscale (i.e. single-channel) curve, then save it and import the
> > file?  Or do I use a curve with 4 channels (e.g. quadtone 
curveset)?
> > 
> > I'm just getting started with B/W printing, and QTR seems so far 
to
> > work much much better than the kluged ultratone curves that would 
be
> > used under Photoshop.
> > 
> > Thanks in advance for any help.
> > DRK
>