Some processing methods of the graphic editing and display are given.The relation between the graphic element and database is expounded based on UGIS.

• 对图形软件系统的图形编辑、图形显示功能的有关算法作了较为详细的介绍，并就基于城市地理信息系统(UGIS)的图形元素与数据库的关联方式作了说明。