【摘要】 本文介绍了统计图形系统(TIGS)的设计思想、它的具有操作导向和回退机制的菜单驱动式用户接口,以及使用多种语言开发TIGS的方法。更多还原

【Abstract】 The design considerations of the Transportation Information Graphics System which is based on the transportation information date base are introduced. The menu-driven user interface which supports the dialogue directing and undoing, and the multi-modular structure coded in multi-languages are described. Finally, some examples show the results of using TIGS.更多还原