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Coupling Server-Side FOSS for Geographical Visualization and Analysis on the Web

  • Journal of the Korean Cartographic Association
  • Abbr : JKCA
  • 2011, 11(2), pp.91-100
  • Publisher : The Korean Cartographic Association
  • Research Area : Social Science > Geography > Geography in general > Cartography

Yang-Won LEE ORD ID 1 Hyung Woo Kim 1 Ha-Jung Lee 1 Jeonghun Lee 1

1부경대학교

Candidate

ABSTRACT

The FOSS (free and open source software), which ensures free reuse and redistribution of source code without restrictions of license, has become a new approach to building an information system nowadays. With the trends of GIS extension to the web, the utilization of FOSS for sharing and mapping of spatial data is also thought of as a valuable work. While existing FOSS applications for web-based GIS simply focused on the mapping of environmental and ecological information, the research on analysis-oriented FOSS for web-based GIS has been rarely carried out. Moreover, web-based coupling of spatial DBMS (database management system), GIS tool, and statistical package was not sufficiently challenged although each of the components has been well utilized. Hence, the objective of this paper is to present a GIS application framework for coupling server-side FOSS for geographical visualization and analysis on the web. We implemented a brokerage module for the invocation of FOSS functions on the server and developed an API (application programming interface) for coupling PostGIS, GRASS, and R Statistical Package. We also employed Google Maps and Google Earth Plug-in as a geo-browser for the visual exploration of spatial data. A feasibility test for our system was carried out using a regression analysis for the relationships between NDVI (normalized difference vegetation index) and environmental factors in South Korea.

Citation status

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