QTR-Quadtone RIP

Pure black (dMax) stays the same.  The correction curve straightens all the
intermediate points.

Roy

On 7/16/07, David <dkfreed@...> wrote:
> Thanks Roy.
>
> So if I understand you correctly, this curve is "lowering" or
> lightening the black because the paper won't accept pure black? Is it
> lightening the black or applying less ink?
>
> And when I applied the raw curve (UCmk-raw-neut.qidf) when I
> printed--which has a blank linearization table--it printed, or tried
> to print, full black to white?
>
> Best, David.
>
>
> --- In QuadtoneRIP@yahoogroups.com, "Roy Harrington" <roy@...> wrote:
> >
> > Hi David,
>
> >
> > It's actually white to black.  The numbers are luminosity values ie.
> Lab.
> > 96.86 is paper white, 16.15 is dMax.   The numbers are all just readings
> > from a stepwedge.  You may also see some in density numbers going from
> > say 0.04 to 1.67 for instance.
> >
> > What linearization does is apply a correction curve
> > based on these values.
> >
> > Roy
>
>
>
>
>
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