Ucamco published revision 2015.10 of the Gerber Format Specification. This revision adds the new .FilePolarity attribute, clarifies the drawing functions and adds a few entries in the syllabus of errors and bad practices.
The specification can be obtained from the download page of www.ucamco.com free of charge.
About Ucamco
Ucamco (formerly Barco ETS) is a market leader in PCB CAM software, photoplotting and direct imaging systems, with a global network of sales and support centers. Headquartered in Ghent, Belgium, Ucamco has over 25 years of ongoing experience in developing and supporting leading-edge photoplotters and front-end tooling solutions for the global PCB industry. Key to this success is the company's uncompromising pursuit of engineering excellence in all its products. Ucamco also owns the IP rights on the Gerber File Format through its acquisition of Gerber Sytems Corp. (1998).
For more information please contact Ucamco: www.ucamco.com