【摘要】 以重庆市山区公路冰雪灾害预警系统的设计为例,借助ArcGIS平台进行二次开发,利用其嵌入式二次开发组件ArcGIS Engine,结合各种空间信息,同时采用可视化编程语言VB对ArcGIS Engine方式实现系统功能的开发,在VB中添加ArcGIS控件来实现特定的系统功能建立查询信息系统。着重讨论系统功能的技术路线和功能方面的设计与实现。更多还原

【Abstract】 Taking the design of alarm system for highway snow storms in mountainous area of Chongqing as an example,this paper carries on the further development on ArcGIS platform by means of its embedded secondary development module ArcGIS Engine and in combination with various kinds of space information.In the meantime the system adopts the visual programming language VB to realize the development of system functions in ArcGIS Engine mode,and adds the ArcGIC controls in VB to implement specific system functions for establishing the enquiry information system.The paper emphasizes on the technical pathway of the system functions and design and realization of functions.更多还原