Thanks Shilesh, I had partly thought this would be the procedure but the more that I thought the more confused I got. I gues that is part of the reason for this newsgroup. Group help... Thanks again, Your friend in Photography, Johnny --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Shilesh Jani" <shilesh.jani@s...> wrote: > > Johnny, > > It took me a while to figure out the madness. Using your C=1.13 as > an example: Go to the 21 steps of the black ink, and find which step > gives you d=1.13. You may not find an exact match; you may find that > on the black ink steps X%=1.00 and X+5% is 1.2. That means the true > value is somewhete in between. Using the above as an example, it is > closer to x+5%, so I would type in X+4% as a SWAG. It does not have > to be absolutely accurate. You will be linearizing the whole mess > later on anyway. This step just determines the amount and location > of overlap of adjacent density inks. > > Hope this helps. > > Shilesh > > --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Johnny Eades" > <jeades1@s...> wrote: > > > > I finally got a densitometer and am in the process of creating my > > first paper curve for Epson Heavyweight Matte paper(Neutral curve) > > and MIS UT2 inks and an Epson 1280 printer. > > > > I have charecterized the inks and found the black maxed out at 60% > > ink when printed at 100% ink in the first pass. I am now at the > stage > > of just after printing the second calibration chart at that 60% and > > have read the ink densities of each ink position. The results are: > > > > K=1.56 > > C=1.13 > > M=1.09 > > Y=not used > > LC=.96 > > LM=.97 > > > > From the help file "This process is repeated for each lighter ink, > > comparing it to the next darker ink, calculating its density > relative > > to that ink and then converting it to a density relative to the > > darkest ink. Record these values in the appropriate ink density > box." > > > > This is where my logic fails me. In the curve creator how do I > > determine what density percentages to enter? I know there are many > > who have created these curves, so could someone fill in the missing > > information for me after telling me the method of determining the > > density percentages? I would really appreciate all help from > soneone > > who has surmounted this step. > > > > Your friend in Photography, > > > > Johnny
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Re: My first QTR paper curve---HELP!!
2005-04-24 by Johnny Eades
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