【摘要】 以陕西省吴起县为例,探讨了基于MAPGIS农用地分等数据库的建设,对其中图形数据的采集、拓扑关系的建立、图斑属性数据的录入等关键技术进行了具体说明,并简要介绍了农用地分等数据库在农用地分等专题地图生成方面的应用。更多还原

【Abstract】 Taking Wuqi county of Shaanxi Province as an example,the establishment of farmland grading database based on MAPGIS was discussed.Some key technologies were explained concretely such as collecting graphic data,building topology and inputting figure spot attribute.Application of farmland grading database in making thematic maps of farmland grading was briefly introduced.更多还原