After doing a lot of work with the X-Rite (formerly Gretagmacbeth) i1 (Eye-One) Pro SDK, I've started running into strange little quirks with their close-sourced libraries. The documentation is decent, but severely lacking in crucial areas such as code examples. Several of the functions are vaguely defined with no examples whatsoever. To make matters worse, there is absolutely no developer community since the SDK isn't publicly available.

So if you're running on ...

As promised, I've got an update about the Color Error Threshold Calculator. The utility is now in good enough shape to be posted along with the article about it that I recently finished for our TAGA chapter at Clemson.

For those that have no earthly idea what this is about, the calculator helps educators and industry members determine how much color variance is acceptable for a given color. When trying to reproduce a color ...

Color Science is a complex topic that can be hard to find documentation for without purchasing books. For those on a budget, Wikipedia and Google can turn up some useful information, but there are often glaring omissions, inaccuracies, or questions left un-answered.

Luckily, Bruce Lindbloom has compiled an excellent website (brucelindbloom.com) full of Color Science information, calculators, and examples. Of particular use are some of the following:

• CIE Color Calculator - Conversions between color spaces ...

In preparation for inclusion in a Clemson GC project, I've brought my Color Error Threshold Calculator over to the new site. This, like my site, will be made available under the GPL once I have a chance to clean it up a little bit. More on this later, but you're welcome to check it out by following the link earlier in the post.