python-colormath 1.0.6 Released

Tuesday, March 23 2010

Thanks to liushie, a math domain error was caught in the CIE1994 and CMC color difference methods. This only manifested itself for certain CIELab values, and went unnoticed as a result of this. The problems have been corrected and released as 1.0.6.

Please see the project page for more details on what python-colormath, how to install it, and how to use it. This is unlikely to interest you if you are not looking to do some kind of color math.


Lack of an open X-Rite i1 (Eye-One) SDK

Friday, July 25 2008

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 ...

read more

Color Error Threshold Calculator (pt. 2)

Wednesday, March 05 2008

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 ...

read more

Bruce Lindbloom and Color

Thursday, February 07 2008

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 ...

read more

Color Error Threshold Calculator

Sunday, February 03 2008

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 ...

read more