大数据量ArcGIS Server地图服务源数据获取方法研究

Research on Acquisition Method of Large Amount of ArcGIS Server Map Service Source Data

桌面端软件在采用ArcGIS Server地图服务时只能进行简单浏览、查询操作,不能进行空间统计和分析。针对该问题,以ArcGIS Server地图服务底层接口为切入点,采用编码与Mapshaper工具相结合的方式实现了地图服务源数据的下载和格式转换。基于该方法获取的空间数据不仅包含完整的图形和属性信息,还不受地图服务源数据量大小的限制,具有较强的实用性。

When using ArcGIS Server map service,desktop software can only browse and query,but not carry out spatial statistics and analysis.To solve this problem,taking ArcGIS Server map service interface as the entry point,we used the combinative method of encoding and Mapshaper tool to download the source data of map service and convert the format.The spatial data obtained by this method not only contains complete graphics and attribute information,but also is not limited by the amount of map service source data,so it has strong practicability.