The paper presents the architecture of Spatial Information Grid(SIG).
阐述空间信息栅格（SIG）的体系结构。
This paper discusses and analyzes concepts of grid, spatial information grid, mesh on the map and so on.
文中论述和分析了网格、空间信息网格和地图上的格网等概念。
Spatial information grid generates large amounts of data needed to be able to share it with user around the world.
空间信息网格项目数据量大，用户遍及各地，对数据文件的请求延时大、占大量带宽。
The paper firstly discusses on the basic concept of grid, specially analyses the spatial information grid, and briefly describes the composition, structures and applied method.
主要论述了格网的基本概念，着重对空间信息格网进行了分析和阐述，初步描述了空间信息格网的组成、结构体系和应用方法。
The distributed spatial data registration container is one of the most important spatial data discovery mechanisms in the platform of National Geological spatial Information Grid (NGSIG).
分布式空间数据注册容器是国家地质空间信息网格(NGSIG)平台内一种重要的数据发现机制。
Spatial information analysis: to change from vector format to grid format, buffering section analysis, spatial data overlap analysis, net analysis, etc.
空间信息分析：包括矢量转栅格、缓冲区分析、空间数据的复合分析、网络分析等。
Spatial information analysis: to change from vector format to grid format, buffering section analysis, spatial data overlap analysis, net analysis, etc.
空间信息分析：包括矢量转栅格、缓冲区分析、空间数据的复合分析、网络分析等。
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