规划基础数据2000国家大地坐标转换方法研究

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中图分类号：P237 文献标志码：A 文章编号：2095-2945(2025)14-0166-04

Abstract:Duetothelackofresearchontheconversionmethodsforplanningbasicdatainthe2oNationalGeodetic Coordinate System,thispaperusestheconversionofplaning basicdatainZhuzhouCitytothe2OooNationalGeodetic CoordinateSystemasanexample.Itprovidesadetailedintroductiontothemethodandprocessofconvertingplanmngbasicdata fromtheXi'an GeodeticCoordinateSystem198OtotheNational GeodeticCoordinateSystem200.Thepaperfocusesonthe dificultiesencounteredduringtheconversionoftheCAD-basedtopographicdatabaseandthesolutionsadopted.Thisstudyaims toprovideasolutionstrategyforthehistoricalproblemofinconsistentcoordinatesystemsandnon-uniformresultsinplaning basicdata.Italsoofersreliablesupportfortheconstructionoffoundationaldataforlandspatialplaning，naturalresource management,andeinformatizationofaturalresourcs.Aditionalyitprovidesexperienceandreferenceforsimilarojectsn other regions across the country.

Keywords:Xi'anGeodeticCoordinateSystem1980；ChinaGeodeticCoordinateSystem2O0；coordinatetransformation; Planning and Fundamental Data; CAD Sheet Data

我国于20世纪50年代和80年代分别建立了国家大地坐标系统——1954年北京坐标系和1980西安坐标系，测制了各种比例尺地形图，为国民经济和社会发展提供了基础的测绘保障I。（剩余6181字）