Hi Mike, in addition to what Dan said, the only case in which I've used UCA is when I had Black & White images that need to be converted in CMYK. As Heavy GCR features CMY values still higher than

I recently had an 'interesting' experience that speaks volumes about 'life in the real world'... A small design company called me in to deliver some Photoshop training. They design in-house, but

Hi Mike Abbott I am with Dan on this one... -- unless you have a targeted printing process that allows for 400% (100% of CMY and K colors) - I would simply forget about this approach... lets assume

Subject: Re: [colortheory] Under Colour Addition (UCA) Dan Margulis writes: Unless you are printing gravure rather than offset (and this implies a pressrun of 100,000 or more) UCA is an

As one who has taken perhaps more classes with Dan than most, I just want to express my heartfelt thanks for all that he has taught over the years -- Dan, you are truly a "one of a kind" person! I've

Hello Dan-- Like Doug who wrote you below, I too, am one of many "active" lurkers on this list. I pretty much read it top to bottom everyday. I too am an "older dude" who started with Photoshop going

Hi there, Having come far too late to the game to take advantage of the in-person workshops and having experienced Dan's work only through books, internet postings and the odd video I would also still

This is *just* a little bit emotional for me and I think also for everyone had attended your classes, your sessions at PSW, read your books or participated to this list. It's like watching a

Dan, I too have not enjoyed the privledge of meeting you in person, but I still feel a kind of kinship to your way of being and thinking. I have contemplated your retirement lately and in reference

Announcement from Adobe The Adobe team of engineers responsible for the development of Photoshop announced today they will relaunch Photoshop 4 on December 1st, 2010 as their premiere graphics

As someone who took Dan's basic course down in San Diego some years ago, I want to congratulate Dan on his retirement and wish him the best. He opened my eyes through his books, this list, and the

Dan wrote on Sunday, 28 November 2010: ::: So I woke up this morning to the sound of the ocean and an astonishing realization: that after several months of being very busy and several years of

Mike Abbott writes, Unless you are printing gravure rather than offset (and this implies a pressrun of 100,000 or more) UCA is an ancient idea that makes little sense in today's world. The idea of

Michael, Thanks for the response and the links. As it happens Martin Evening's book is one on my shelf and I'd read his brief overview. I understand the basic premise - as you note above; but I'd

Hello Dan, We've never met in person, but I have met you through your books, articles in the NAPP magazine, and for a number of years met you in these threads as I lurked on the sidelines. This post

For some reason, I expect Dan's retirement will not be permanent. Sort of like that girl in Inception, for those of you who saw that movie. The urge to create is just too strong. The economy won't

The technique of increasing the amount of cyan, magenta or yellow in the shadow or neutral areas of the image when making the color separations. Under color addition is generally done to make the

Greetings to all, This is my first posting to this list. I'm wondering if anyone can point me to reliable information / guidance on the use of UCA. I'd like to understand how and when to apply it in

Dan One of the most striking things for me, is that you have continued to innovate and extend what you have taught even as you have begun to wind down from a career in a field that has undergone a

After Camus should come Boris Vian, maybe Jean-Paul Sartre and (for an awakening) Louis-Ferdinand Céline. Enjoy the next six months and many more! The only problem I can see is that your 11 cases of