QTR-Quadtone RIP

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?