The Raster Data Management in a Spatial Data Grid

被引：0
|
作者：
Wu, Pengfei [1 ]
Fang, Yu [1 ]
Chen, Bin [1 ]
Zhao, Yong [1 ]
Yan, Menglong [1 ]
机构：
[1] Peking Univ, Inst RS & GIS, Beijing 100871, Peoples R China
来源：
2009 5TH INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS, NETWORKING AND MOBILE COMPUTING, VOLS 1-8 | 2009年
关键词：
GIS; raster data; data grid; Hilbert; distributed data management;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
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.
引用
收藏
页码：5395 / 5398
页数：4
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