QTR-Quadtone RIP

Thanks David!

May I ask, did you achieve your success using 21 steps with a 
scanner, or a densitometer?

I don't have a densitometer myself, but among my photographer 
friends in NYC I bet I can find someone who has one if I need it!

Thanks!
Matt



--- In QuadtoneRIP@yahoogroups.com, "Daniel Staver" <daniel@...> 
wrote:
>
> Use the 21step target and just fill up the first 21 spaces. More 
steps may
> or may not work. My experiments with more steps were very 
unsuccessful, with
> bad posterization in the resulting profiles. I've heard others 
experience
> the same, so more is certainly not always better.
> 
> -
> Daniel Staver
> http://daniel.staver.no
> 
> > The user guide and QTRGui help tell me to print the file 
> > 21step.tif, which linearizes using 21 different grey value 
> > measurements.
> > 
> > However, in the version of QuadtoneRip I have (2.4.2 for 
> > Windows), there are 55 spaces in the "Linearize" tab -- 5 rows 
of 11.
> > 
> > Furthermore, I have seen references to a 100-step wedge 
> > (100stepwedge.tif, found in the QuadtoneRIP program folder), 
> > and I have even heard somewhere about the ability to measure 
> > the 21-step wedge 4 times and input all 4 measurements, which 
> > the software averages for a more accurate read.
> > 
> > Which target should I print, and how should I enter the 
> > measurements into the 55 blanks I see?
>