“天地图·成都”与省级节点矢量数据融合处理研究

Research on Vector Data Fusion Processing between"Tianditu·Chengdu"and Provincial-level Node

由于“天地图”各节点数据资源相对独立,为推动“天地图”集约共享、转型升级,建立上下联动、长效稳定的运行机制,凝聚形成服务合理,深入推进“天地图”一体化建设。本文立足于市级层面,对“天地图·成都”市级节点与省级节点从数据内容、现势性、精度等方面进行了分析,根据国家、省级节点要求,确定了市级节点数据融合技术设计,并研究了属性结构标准化、属性全角半角转换、地名地址与兴趣点融合等处理方法,为各市级开展“天地图”数据融合提供思路,为上级节点提供成都市数据底板。

Since the data resources of each node of"Tianditu"are relatively independent,in order to promote the intensive sharing,transformation and upgrading of"Tianditu",a long-term and stable operation mechanism of upper and lower linkage is established to form a reasonable service,and to further promote the integration of"Tianditu"construction.Based on the municipal level,this paper analyzesthe city-level node"Tianditu·Chengdu"and provincial-level node of"Tianditu"from the aspects of data content,up-to-dateness,and accuracy.According to the requirements of national and provincial nodes,the data fusion technology design of city-level nodes is determined,and processing methods such as attribute structure standardization,attribute full-width and half-width conversion,and fusion of place name addresses and points of interest are studied.It provides ideas for municipalities to carry out"Tianditu"data fusionand provides Chengdu data base for upper-level nodes.