OGC announces GML-in-JPEG Interoperability Experiment.WAYLAND, Mass. -- The Open Geospatial Consortium The Open Geospatial Consortium (OGC) is an international voluntary consensus standards organization. In the OGC, more than 330 commercial, governmental, nonprofit and research organizations worldwide collaborate in an open consensus process encouraging development and Inc. (OGC OGC Office of Government Commerce (UK government) OGC Open Geospatial Consortium, Inc. OGC Office of the General Counsel OGC Open GIS Consortium, Inc. ) has begun a "GML in JPEG JPEG in full Joint Photographic Experts Group Standard computer file format for storing graphic images in a compressed form for general use. JPEG images are compressed using a mathematical algorithm. " Interoperability Experiment to test and refine a draft implementation specification that defines how Geography Markup Language The Geography Markup Language (GML) is the XML grammar defined by the Open Geospatial Consortium (OGC) to express geographical features. GML serves as a modeling language for geographic systems as well as an open interchange format for geographic transactions on the Internet. is to be used within JPEG 2000 data packages for geographic imagery. This Interoperability Experiment will implement several prototype GMLJP2 codecs (a codec is a data "compressor/decompressor") based on the OGC draft specification, "GML in JPEG 2000 for Geographic Imagery" (OGC project document 04-045). The purpose is to confirm that the specification will support the requirements of geospatially related imagery over the Internet, and to improve the specification if it does not support these requirements. The participants will perform several individual experiments of increasing complexity and will demonstrate encoding similar to GeoTIFF. The initiator organizations are Galdos Systems, Inc. (Canada); LizardTech, Inc. (US); and the European Union Satellite Centre The European Union Satellite Centre (EUSC) was set up in 2002 in order to replace the Western Union Satellite Centre and thus represents a part of the transfer of functions from the Western European Union (WEU) to the European Union (EU), and more specifically to (Spain). Participant organizations are DM Solutions Group (Canada); ITT Industries Space Systems Division (US); SPOT Image (France); US Geological Survey, Astrogeology as·tro·ge·ol·o·gy n. The geology of celestial bodies. as  tro·ge ; US NASA NASA: see National Aeronautics and Space Administration. NASA in full National Aeronautics and Space Administration Independent U.S. Jet Propulsion Laboratory “JPL” redirects here. For other uses, see JPL (disambiguation). Jet Propulsion Laboratory (JPL) is a NASA research center located in the cities of Pasadena and La Cañada Flintridge, near Los Angeles, California, USA. ; and Intergraph (Z/I Imaging) (US). The draft specification "GML in JPEG 2000 for Geographic Imagery" was submitted to OGC by Galdos Systems Inc. and Lizard Tech. The proposed specification includes: --Specification of the uses of GML within JPEG 2000 --Packaging mechanisms for including GML within JPEG 2000. --GML application schemas for encoding of OGC coverages within JPEG 2000. Results of the experiment will include an Interoperability Experiment Report and a demonstration of the interoperable components developed in the experiment. An Interoperability Experiment is a process led and executed by OGC members to achieve a narrowly defined technical objective that furthers the OGC Technical Baseline. Prospective participants can contact George Percivall (gpercivall@opengeospatial.org) for more information. OGC is an international industry consortium of more than 270 companies, government agencies and universities participating in a consensus process to develop publicly available interface specifications. OpenGIS(R) Specifications support interoperable solutions that "geo-enable" the Web, wireless and location-based services, and mainstream IT. The specifications empower technology developers to make complex spatial information and services accessible and useful with all kinds of applications. Visit the OGC website at http://www.opengeospatial.org. |
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