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Browser based GML Viewer released as Open Source


Cameron Shorter,
Senior Software Engineer,
Thales Australia,

Sydney, Australia, December 21, 2006 - Thales Australia has released an Open Source, Browser based, Geography Markup Language (GML) Viewer as part of the Open Web Services Testbed (OWS4 Testbed).

The GML Viewer can view GML files using recent web browsers without pluggins or a web server. (Firefox 1.5+ or Internet Explorer 6).

It addresses data distributors' need for a simple, self-contained map and data viewer for distribution with GML datasets.

GML2, GML3 and Web Map Server (WMS) layers are supported. The layers are described using the Open Web Services Context (OWSContext) specification (currently in draft) and layer colors are described using a subset of the Style Layer Descriptor (SLD) specification.

The Viewer easily renders layers with hundreds of features in Internet Explorer, and thousands Firefox. Cameron Shorter, the core developer explains:
"I am surprised how fast our browser renderer is. We use Scalable Vector Graphics (SVG) in Firefox and Vector Markup Language (VML) in Internet explorer."

The GML Viewer is powered by Community Mapbuilder which is now uses OpenLayers for its rendering Engine.

The GML Viewer can be downloaded from:

OGC Members can download the GML Viewer with the larger MSD3 dataset and a ten minute flash presentation at:

About Thales Australia

About Community Mapbuilder

Community MapBuilder is a powerful, standards compliant, open source, geographic mapping client which runs in a web browser. It is part of the OSGeo stable of quality Open Source Geospatial projects.

About OpenLayers

OpenLayers is a browser based webmapping client which accesses a variety of basemaps.

About the Open Geospatial Consortium

The OGC is an international industry consortium of 335
companies, government agencies, research organizations, and
universities participating in a consensus process to develop publicly
available interface specifications. OpenGIS 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.

About the Open Source Geospatial Foundation

The Open Source Geospatial Foundation, or OSGeo, is a not-for-profit organization whose mission is to support and promote the collaborative development of open geospatial technologies and data. The Foundation provides financial, organizational and legal support to the broader open source geospatial community. It also serves as an independent legal entity to which community members can contribute code, funding and other resources, secure in the knowledge that their contributions will be maintained for public benefit.

OSGeo also serves as an outreach and advocacy organization for the open source geospatial community, and provides a common forum and shared infrastructure for improving cross-project collaboration. The Foundation's projects are all freely available and useable under an OSI-certified open source license.

© Copyright 2006 Open Source Geospatial Foundation, under the Creative Commons Attribution-No Derivatives (by-nd) License.

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