ArcGIS 字段计算工具在空间数据属性处理中的应用

摘要

针对地理空间数据生产中常见的属性数据处理问题，通过ArcGIS系统中的字段计算工具，结合Python脚本语言对空间数据的几何属性和非几何属性进行操作与处理，满足各类不同的应用需求，避免使用第三方工具或软件，提高了地理空间数据属性处理的工作效率。%According to the attribute data processing problems in geospatial data production , geometric properties and non -geometric attributes of spatial data were operated and processed through field calculate tools in ArcGIS system and python script language .Differ-ent sorts of application requirements were met without using third party tools or software .The working efficiency of geographic spatial data and attribute processing were greatly improved .