By using the secondary-developed language VB,the modules ArcObject of Arc/Info and the database of SQLs,the mass coordinate data captured from GPS observation are stored in time and the track returns are realized on GIS platform.

• 采用二次开发语言VB,并通过Arc/Info的组件ArcObject(AO)以及SQL数据库,对全球定位系统GPS及时采集的点坐标数据进行海量存储并在地理信息系统操作平台上实现轨迹的回放。