The Graphs Software of the National Information Management System of Surveying and Mapping

SMIS is a Management Information System which processes data,texts and graphs simultaneously. This paper aims to describe the designing idea and techniques of the grapjhic software of SMIS. This graphic software can not only output the information of data, archives and results of surveying and mapping in graph,but also supply good graphic inter-face with which a user can retrieve and manager information conveniently; Besides, the graphic software can provide some statistic graphs which can serve as decisive bases of lead-ing department.