graphics, file format
/gif/, occasionally /jif/ (GIF, GIF 89A) A standard for digitised images compressed with the LZW algorithm, defined in 1987 by CompuServe (CIS).
Graphics Interchange Format and GIF are service marks of CompuServe Incorporated. This only affects use of GIF within Compuserve, and pass-through licensing for software to access them, it doesn’t affect anyone else’s use of GIF. It followed from a 1994 legal action by Unisys against CIS for violating Unisys’s LZW software patent. The CompuServe Vice President has stated that “CompuServe is committed to keeping the GIF 89A specification as an open, fully-supported, non-proprietary specification for the entire on-line community including the World-Wide Web”.
Filename extension: .gif.
File format (ftp://peipa.essex.ac.uk/ipa/info/file-formats).
GIF89a specification (http://asterix.seas.upenn.edu/~mayer/lzw_gif/gif89a.html).
See also progressive coding, animated GIF.
- Graphics interface format
spelling You mean “Graphics Interchange Format”. (1999-10-11)
- Graphics language object system
graphics, language (GLOS) A language with statements for describing graphics objects (line, circle, polygon, etc.), written by Michael J McLean and Brian Hicks at the University of Queensland, St. Lucia in 1978. New objects are defined using procedures. 2-D transformations are context dependent and may be nested. [M.J. McLean, “The Semantics of Computer Drafting Languages”, […]
- Graphic workstation
graphics, computer A workstation specifically configured for graphics works such as image manipulation, bitmap graphics (“paint”), and vector graphics (“draw”) type applications. Such work requires a powerful CPU and a high resolution display. A graphic workstation is very similar to a CAD workstation and, given the typical specifications of personal computers currently available in 1999, […]
[graf-ahyt] /ˈgræf aɪt/ noun 1. a very common mineral, soft native carbon, occurring in black to dark-gray foliated masses, with metallic luster and greasy feel: used for pencil leads, as a lubricant, and for making crucibles and other refractories; plumbago; black lead. /ˈɡræfaɪt/ noun 1. a blackish soft allotropic form of carbon in hexagonal crystalline […]