【摘要】 根据地震信息系统的应用需求,以VB为开发平台、采用AO(ArcObjects)组件高级开发的方式实现了该系统的地理信息功能,并详细论述了特殊事件的地图加载、分类符号化、多表连接的属性查询与矢量显示和专业图形符号化的表达等关键技术的实现。更多还原

【Abstract】 According to the application demands,functions of geographic information in the seismic information system is implemented by AO(ArcObjects) component technique in VB developing environment.Some key techniques are discussed in detail,such as map-loading of special events,classification symbolization,attributes searching and vectors displaying of joined tables,professional graphic symbolization and so on.更多还原