After joining attribute data to spatial data, the 3d spatial query and analysis has been realized.
在空间数据和属性挂接后，实现了三维空间查询和分析。
The system was provided with function of workspace, data and map management, object operation, spatial query and analysis in the environment of GIS.
该系统具有GIS工作空间管理功能、数据管理功能、地图管理功能、对象操作功能、查询及空间分析功能；
Spatial data quality is the basis of cadastral data's updating, query and analysis.
地籍空间数据质量是地籍数据更新、信息查询与分析的基础。
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