OGC Adopts GMLJP2 Standard

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Welcome to GISWeekly! In a press release this week, LizardTech, a division of Celartem, Inc., announced that the OGC has officially adopted the GMLJP2 standard proposed by LizardTech and Galdos Systems and a consortium of leading aerospace and geospatial technology companies. Jon Skiffington, product manager for LizardTech's GeoExpress, talks about the new non-proprietary standard for delivering and displaying large geospatial imagery.

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OGC Adopts GMLJP2 Standard
By Susan Smith

In a press release this week, LizardTech, a division of Celartem, Inc., announced that the OGC has officially adopted the GMLJP2 standard proposed by LizardTech and Galdos Systems and a consortium of leading aerospace and geospatial technology companies. GML is a Web-authoring language for delivering and displaying geographic data over the Internet, based on eXtensible Markup Language (XML). GML will be used to define rich geospatial metadata within a JPEG 2000 (JP2) file. Just last week, Galdos Systems, the creators of GML, won a contract from Oak Ridge National Laboratory to develop open-standards based infrastructures. The GML standard is significant because it is intended to drive cross-platform interoperability by ensuring vendor independence from formats and rapidly displaying large geospatial images over the internet.

Jon Skiffington, product manager for GeoExpress, answered some questions for us about the announcement and what this means to geospatial users:

1) Last year LizardTech announced that they were working to extend Oracle Spatial 10g GeoRaster architecture to integrate native MrSID technology inside Oracle. This was said to be a precursor to bringing LizardTech closer toward providing JPEG2000 support for Oracle Spatial 10g in the future. Does the GMLJP2 standard adoption further that goal and if so, how, specifically?

JS: We feel that this will accelerate the adoption of JPEG 2000 for geospatial raster imaging, allowing increased interoperability between systems. While Oracle Spatial can not make use of GMLJP2 natively, LizardTech will work to make sure that GML metadata in JPEG 2000 files is preserved in the Oracle database.

2) Will the products created using the GMLJP2 standard be dependent in any way on Oracle?

JS: While we anticipate that JPEG 2000 imagery will be stored within Oracle, GMLJP2 is a non-proprietary OGC standard. This means that the number of applications that will support GMLJP2 is limited only by the number of organizations that choose to build support for it.

3) What is the difference between GeoExpress 6 "supporting JP2" and what the GMLJP2 standard allows?

JS: When the current version of GeoExpress was released, GMLJP2 had not yet been adopted. Therefore, LizardTech products currently support JPEG 2000 with geospatial metadata stored internally in GeoTIFF or MrSID style, or externally in a JPEG 2000 world (.j2w) file. With the adoption of GMLJP2, new versions of GeoExpress and other LizardTech products will use the OGC GML standard, in addition to the other interim methods. This should save users any problems with applications that are expecting different types of metadata, and also opens the potential in the future for more advanced metadata such as detailed sensor models, in-depth camera positioning information (camera angle, date and time, orbit track), and image quality information such as cloud cover and air quality at the time of image capture.

The OpenGIS(R) GML in JPEG 2000 for Geographic Imagery (GMLJP2) Implementation Specification. It is available for download.

Top News of the Week

Varion Systems, the software development and value-added reseller division of GeoAnalytics, has completed a public deployment of PV.Web for the City of Wheaton, Illinois. Through the City's website, Wheaton residents can now view City data and mapping functionality on their own computers via PV.Web. In conjunction with ESRI's ArcIMS and ArcSDE, PV.Web allows Wheaton residents to view several GIS layers including Registered Sex Offenders, Police Beats, Schools, Zoning Areas, Parcels, Addresses, Public Works data, Sewer data, Engineering data, Planning data, Transportation data, Trails and Paths data, and aerial photography. Training 4 GIS, the training and consultancy division of The GeoInformation Group, announced that it is offering its fourth national GeoDATA seminar series showcasing geographic data and the benefits they bring to those within both the public and private sectors.

The 1-day seminars will commence in Liverpool on 9 May followed by Glasgow on 11 May, London on 23 May and the final seminar will take place in Cardiff on 25 May 2006.

Analytical Surveys, Inc. (ASI) announced it has acquired a 20 percent working interest in a producing Oklahoma oil and natural gas well. The Company acquired the interest for $300,000 cash from TD Energy LLC, the operator of the well and owner of the remaining 80 percent working interest. The recently completed Welker 1-7 well is located in Pawnee County, Oklahoma and is part of TD Energy's 7,000-acre Skedee Oil and Gas Development Project in the Cherokee Basin.

DeLorme, a provider of affordable mapping, GIS, and GPS solutions announced the release of one-meter resolution aerial imagery for the state of Florida.

Processed into DeLorme's efficient XMap format, this imagery is available in a series of twelve seamless mosaics, each of which provides regional coverage on a single DVD or statewide coverage on a USB hard drive. Now it's possible to bring high-quality aerial imagery into the field without the need to download and manage dozens of individual files or to be connected to the Internet.

A new seminar from ESRI Virtual Campus reveals a powerful tool for geographic information system (GIS) organizations. Introduction to Job Tracking for ArcGIS (JTX) demonstrates how to use the software to manage enterprise GIS tasks while tracking changes to data, staffing resources, and time schedules. Participants can view the seminar on February 23, 2006, at 9:00 a.m., 11:00 a.m., or 3:00 p.m. Pacific time.


GeoSpatial Innovations, Inc. (GSI), a developer of field technology solutions for energy and communications companies, and Itron Inc. announced that the two companies have teamed up to provide the most comprehensive field-to-office technology solution for electric line designers and engineers.

Under the agreement, Itron Distribution Staker will now come bundled with GSI's Pocket Designer field software. Utilities that purchase Distribution Staker will have access to a seamless field-to-office solution for creating overhead or underground electric line designs in the field. With this partnership, utilities now have the flexibility to complete their field design on a tablet, laptop or a handheld Pocket PC device.

BAE Systems has secured several international distributor agreements to expand marketing its software for image analysis, geospatial analysis, and photogrammetry, SOCET GXP(TM) and SOCET SET(R), to major mapping and intelligence centers and commercial customers. The extended distributor network includes offices in Germany, Greece, Italy, Jordan, Korea, Lebanon, Malaysia, Singapore, Spain, and Taiwan.

East View Cartographic (EVC) announced an agreement with SPOT Image Corporation to become an authorized reseller of SPOT satellite imagery products. SPOT provides a wide range of medium-resolution imagery ideal for uses such as land management, telecom planning, or creating new street level vector data. SPOT satellites have been collecting imagery since 1986. The SPOT archives now include more than 10 million images covering most of the Earth's surface several times over.

Pictometry International Corp announced that its European partner, Blom ASA of Norway, through its subsidiary Simmons Aerofilms, has signed a contract with Ordnance Survey of Great Britain. The agreement establishes Ordnance Survey, Britain's national mapping agency, as the sole sales agent of Pictometry technology for its customers in government and private industry in Great Britain. Simmons Aerofilms will be capturing and processing the high-resolution aerial images and supplying Ordnance Survey customers with the image libraries together with training.

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