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Research on application of grid unit updating of basic geographic data
Author(s): 
Pages: 54-57
Year: Issue:  8
Journal: Geotechnical Investigation & Surveying

Keyword:  grid unitdynamic updatedatabasedata sharing;
Abstract: Focusing on the problem of updating foundational geographic data,the scheme of grid unit management is researched for the real-time dynamic update of basic geographic data in this paper. In order to meet the requirements of city management decision,the daily engineering survey data is used to update dynamically the basic geographic database by grid cell management scheme,and thereby the duplication of surveying and mapping is avoided.
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