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Digital BW, The Print

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

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Re: QTR: relinearizing an existing curve

2003-10-16 by David Wroblewski

Okay, thanks. It seemed like it had to be right, but I wanted
to make sure.

Just did it: works great!

-david


--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Roy 
Harrington" <roy@h...> wrote:
> 
> Looks perfect to me.
> 
> Roy
> 
> --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "David 
Wroblewski" 
> <dawroblewski@y...> wrote:
> > Roy, could you confirm that this is the right procedure for
> > re-linearizing a curve that already has LINEAR="..." data,
> > such as the one Carl sent me this afternoon:
> > 
> > (1) Edit the .txt file and comment out the existing 
LINEARIZE="..."
> > line. Verify CALIBRATION=NO.
> > 
> > (2) Process and install the curve with quadprofile/quadcurves
> > scripts.
> > 
> > (3) Print out 21Step.tif using the curve of interest
> > with Output Mode=Quadtone Rip, *NOT* Quadtone Rip Calibration.
> > 
> > (4) Measure the patches and add result to the .txt file as a 
> > LINEARIZE="..." data, then reprocess and install the result, 
> > 
> > (5) Reprint 21Step.tif to make sure you got a sensible result.
> > 
> > Thanks,
> > David

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