Message
Re: Help with Mac and please
2018-05-24 by laymanesq@...
Maybe what I was thinking was a 10% yellow tinge is actually just the warmth of the grey inks. However when I tried to use all the unused inks at a limit of 2 (to replace the Y 10 ) I was using, the colour of the negative didn't change at all. I also have one step wedge that I managed to print that is completely grey. I can't figure out how I managed to achieve that.... As an aside I can't find any .quad files on my computer?
With regard to my second question about the grey curve. When I insert the grey curve into the ink descriptor file I get a result that seems to be reversed. However; if I apply the same curve in PS, save the flattened file as a .tiff then load print that file with PrintTool (doing the inversion in PrintTool) I get the correct result. Can anyone see what I'm doing wrong?
GRAY_CURVE="0;0 2;3 10;11 15;15 21;18 25;19 30;21 35;24 40;26 45;28 51;30 55;31 60;33 65;35 70;36 75;38 80;41.66666 88;47 95;60 100;100"
I built this curve in PS using %ink values, so the above figures are taken straight from the curve. The more I think about it I gather that's not the right way to do it? Should these figures be luminosity values? In which case I'm totally lost now.
Thanks
Ken