摘要
银川盆地地下水资源评价空间数据库是在“银川盆地地下水资源评价”基础上建立起来的,是鄂尔多斯盆地地下水勘查项目的子项目.文章论述了建立空间数据库的关键问题:图形数据的采集,属性数据的采集,图形数字化和图形数据的矢量化,最后给出了空间数据库建库流程图.
The building of the appraisal space data base of the groundwater re sources in Yinchuan basin is based on ' Yinchuan basin groundwater resources ap praisal' . It is the son-project of groundwater exploration project in Erduos i basin. The article discusses the critical question of space data base establis hment: the collection of the graph data; the collection of the attribute data;th e graph dramatization and graph factorizations, and provides the flow chart of b uilding the space database in the end.
出处
《宁夏工程技术》
CAS
2003年第3期224-226,共3页
Ningxia Engineering Technology
