Research and Implementation of Cross-Format Geographic Information Data Interoperability Analysis Method
This paper systematically analyzes the data struc-ture and format of Shapefile format files,and studies their da-ta interoperability technology with ASC Ⅱ files for engineer-ing unit data confidentiality and project work requirements. On the basis of large-scale spatial geographic information data interaction,cross-format geographic information data interop-erability analysis method is researched,and the feasibility of this method is verified. Analysis functions such as coordinate data update,graphic display,area and length calculation,and center coordinate extraction based on ASC Ⅱ files are imple-mented,the problem of heterogeneous geographic informa-tion data is solved.
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