Liqian Wang
Abstract
Spatial data is the base of building GIS.Analyzing the source of spatial data and improving the quality of spatial data are the precondition of building GIS.By analyzing the program of collecting the data of GIS,it could perform the generic methods of dealing with the error data.
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Spatial data is the base of building GIS.Analyzing the source of spatial data and improving the quality of spatial data are the precondition of building GIS.By analyzing the program of collecting the data of GIS,it could perform the generic methods of dealing with the error data.
Key concepts: Precondition, AM/FM/GIS, Spatial analysis, Geographic information system, Data quality, Computer science, Spatial data infrastructure, Base (topology)