The roles of geography markup language (GML), scalable vector graphics (SVG), and Web feature service (WFS) specifications in the development of Internet geographic information systems (GIS)

Zhong-Ren Peng () and Chuanrong Zhang ()

Journal of Geographical Systems, 2004, vol. 6, issue 2, 95-116

Abstract: The objective of this paper is to address two issues of current Internet Geographic Information Systems (GIS) programs – interoperability and graphic image output issues – using standard-based technologies, specifically, the Geography Markup Language (GML), Scalable Vector Graphics (SVG) and the OpenGIS Web Feature Service (WFS) Implementation Specifications developed by the OpenGIS Consortium (OGC). A strategy is proposed to use GML as a coding and data transporting mechanism to achieve data interoperability, SVG to display GML data on the Web, and WFS as a data query mechanism to access and retrieve data at the feature level in real time on the Web. Two case studies are reported to implement this strategy. Our case studies show that the combination of GML, SVG, and WFS has an immense potential to achieve interoperability while not requiring considerable changes to existing legacy data. Data can be in their original formats and still be retrieved using WFS and transformed into GML in real time. SVG can produce superior quality vector maps on a Web browser. More research is needed to explore the full potential of these new standards and to test them in real-world situations. Copyright Springer-Verlag Berlin Heidelberg 2004

Keywords: Geographic Markup Language (GML); Scalable Vector Graphics (SVG); OpenGIS Web Feature Service (WFS); Internet GIS; Interoperability (search for similar items in EconPapers)
Date: 2004
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DOI: 10.1007/s10109-004-0129-0

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