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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 Roy Harrington

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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