QTR-Quadtone RIP

Sorry for the confusion.  The correction curve maps K=100 in the file to dMax
on the paper.  Likewise K=0 maps to paper white.
The linearization basically stretches out the curve from 96-16 to 100-0.

Roy

On 7/17/07, David <dkfreed@...> wrote:
> Roy, not sure I understand below where you say "dMax stays the same"
> because in an earlier post you told me:
>
> "The numbers are luminosity values ie. Lab. 96.86 is paper white, 16.15
> is dMax" which indicates to me that you can change the black value and
> its not always "pure" black, 0.00.
>
> Again, I'm relating to a photoshop curve, where, for example, you
> changed bottom (black) end of curve to something like 86%, so darkest
> part of image would not be pure black (100%); and yes, rest of numbers
> would change intermediate points or values.
>
> Best, David.
>
>
> --- In QuadtoneRIP@yahoogroups.com, "Roy Harrington" <roy@...> wrote:
> >
> > Pure black (dMax) stays the same.  The correction curve straightens
> all the
> > intermediate points.
> >
> > Roy
>
>