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Use of NWGISS to Implement a Data Node in China’s Spatial Information Grid

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Book cover Standard-Based Data and Information Systems for Earth Observation

Part of the book series: Lecture Notes in Geoinformation and Cartography ((LNGC))

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Abstract

A Spatial Information Grid (SIG) is the fundamental structure for sharing and interoperating geospatial information. International Organization for Standardization (ISO) and Open Geospatial Consortium (OGC) have constructed several SIG reference specifications to provide standard interfaces. This chapter discusses the construction and implementation of SIG’s resource layer, which is its fundamental resource environment. OGC specifications and NASA’s HDF-EOS Web GIS Software Suite (NWGISS) are used to design a SIG resource service node. Clients employ three different modes for accessing resources: Web service mode, Web application mode and desktop application mode. Experimental results demonstrate that this service node can successfully respond to standard OGC requests and return specific spatial data items under different network environments, and can share data under different operational environments.

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Acknowledgments

The research presented in this paper was supported by the National High Technology Research and Development Program of China (863 Program), grant number 2003AA135118, 2008AA12Z2475774 and 2009AA12Z212.

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Correspondence to Dengrong Zhang .

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© 2010 Springer-Verlag Berlin Heidelberg

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Zhang, D., Yu, L., Di, L. (2010). Use of NWGISS to Implement a Data Node in China’s Spatial Information Grid. In: Di, L., Ramapriyan, H. (eds) Standard-Based Data and Information Systems for Earth Observation. Lecture Notes in Geoinformation and Cartography. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-88264-0_2

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