Research on the Vector Data Fusion Method of the 2021 Version of "Tianditu·Shaanxi"
Based on the 2020 version of "Tianditu·Shaanxi" vector data,this paper coordinates various data resources,adopts uni-fied data specifications,and formulates scientific vector data fusion ideas and methods in accordance with the "Tianditu Data Fusion Technical Requirements". Seven types of vector data,including residential areas,water systems,green spaces,administrative dis-tricts and boundaries,and geographic units,are updated and fused to improve the quality and service capabilities of the "Tianditu·Shaanxi" data,which provide a reference for the subsequent fusion and update of multi-source and multi-scale data.
Tianditu vector datanational geographic census databasic datadata fusion
万方数据
