The raster data management in a spatial data grid

Authors:
Pengfei Wu;Yu Fang;Bin Chen;Yong Zhao;Menglong Yan
Affiliations:
Peking University Institute of RS and GIS, Beijing, P. R. China;Peking University Institute of RS and GIS, Beijing, P. R. China;Peking University Institute of RS and GIS, Beijing, P. R. China;Peking University Institute of RS and GIS, Beijing, P. R. China;Peking University Institute of RS and GIS, Beijing, P. R. China.
Venue:
WiCOM'09 Proceedings of the 5th International Conference on Wireless communications, networking and mobile computing
Year:
2009

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Abstract

The Barn project, a spatial data grid prototype under development currently, provides a grid environment for applications of the nationwide geological survey data. In order to save and manage raster data in the grid environment, we should take many factors into account, such as massive data, multisource, index rebuilding, pyramid re-creating and etc. All these factors influence the logical and physical storage framework of the raster data. We discuss the Hilbert index to help re-create the index dynamically on partitioned tiles. Also, we present the global raster catalog framework in the grid environment.