摘要
在目前的GIS领域中,高精度的数据采集以及实时、高效的数据更新,一直是研究的主要课题之一。针对这种情况,介绍了GIS数据的基本概念和组织方式,阐述了利用VBA这种基于面向对象的编程环境,建立属性数据和图形数据的接口,充分发挥地理数据的时效特征,并结合实例将VBA与其他开发语言(如Auto Lisp等)进行了比较。
Nowadays, in the fields of GIS, the data acquirement with high precision, and real-time and efficient database update have always been the key subjects. This paper briefly introduces the basic concept and the composing of GIS database, mainly describes the use of VBA for constructing an interface between the attribute data and graphs data, and improving the efficiency ofa GIS by means of a practical case.
出处
《测绘工程》
CSCD
2005年第3期41-43,共3页
Engineering of Surveying and Mapping
