Digital BW, The Print

Roy, that is interesting but how do you do that with the WinXP 
version where the ink levels are buried in a binary file.

...John

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Roy 
Harrington" <roy@h...> wrote:
> --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "gulstenek" 
<keving@d...> wrote:
> > Antonis-
> > 
> > Thanks for the very detailed answers.  It's very helpful - 
confirming 
> > some things I'd thought and giving me more the think about.
> > 
> > Having gone through the first paper with a lot of 
expirementation the 
> > following papers, as you suggest, are very straight forward when
> > based 
> > on the existing profile.
> > 
> > I don't want to leave the impression that creating the curves is 
hard 
> > - it's not.  It's just that having arrived at a very good 
result, I 
> > am, for some reason, compelled to worry whether I could make it
> > better 
> > :)
> > 
> 
> 
> Hi Kevin,
> 
> I think Antonis' description is very much the general idea.
> 
> The difficulty I think is mainly figuring how much ink the paper 
can handle.
> You've got to decrease a lighter ink as you increase a darker 
ink.  But if
> you come down too fast relative to the new ink coming in you'll 
get a plateau
> or dip in density and linearizing doesn't fix this.  Its hard to 
compare rates
> because a 5% increase from 10 to 15% might not correspond to a 5% 
decrease
> from 75 to 70%.  It would depend how the curve settings map into 
ink quantities.
> 
> With QTR, access to the raw level allows the voodoo math to 
work :)  I just make
> sure the amount of ink is always increasing as well as the balance 
of light vs
> dark ink is always increasing.  Then linearization can straighten 
it all out.
> 
> Roy