【摘要】 南京市基础地理空间参考框架旨在面向"智慧南京"建设,对原南京坐标基准进行改造、升级,建立基于CGCS2000坐标系的南京空间坐标基准。目前,该项目成果已成功应用于南京地铁、高速公路等大型项目建设中,取得很好的经济效益和社会效益。更多还原

【Abstract】 Urban fundamental geographical spatial reference frame is an important part of urban spatial information infrastructure, is the foundation of the national economy and social informationization support platform, for the construction of urban national economy provides base of spatial orientation, meet the needs of urban planning and construction. Nanjing city based geographic spatial reference frame to the wisdom of Nanjing construction oriented, the original Nanjing datum to transform, upgrade, establish the CGCS2000 coordinate system based on Nanjing space coordinates benchmark, at present, the results of the project has been successfully applied in Nanjing subway and highway projects, has achieved good economic benefit and social benefit.更多还原