摘要
常用的地理信息系统符号库多是在单机系统内用文件方式进行设计和实现的,无法满足分布式多用户的实时需求,对比分析了这些系统符号库的设计方法和实现技术,提出基于Web Service的B/S架构的新方案,即利用组件技术设计符号库系统架构、对符号数据进行了安全设置,并采用数据库方式对符号数据进行存储管理.通过"三维地理信息服务系统"实验验证,该方案可以实时响应多用户的并发需求,并能对符号数据进行实时更新.
At present, most of the symbol databases of GIS are designed and implemented within single system by using files to store, which can not meet the distributed multi - customers＇ requirements timely. By Comparing analysis of the design and the implementation of current symbol databases, the paper puts forward a method based on the B/S network structure in order to achieve real - time symbols handling and guarantees the system ＇ s safety. The method is used to establish a symbol database in 3D emergency GIS. Through the experiment, it is proven that designed and implemented symbol database in 3D emergency GIS can deal with customer＇s reqirement for symbols in real time and achieve the desired results.
出处
《河南理工大学学报（自然科学版）》
CAS
2010年第6期766-770,共5页
Journal of Henan Polytechnic University（Natural Science）
基金
2009年国家重点基础研究发展计划(973)资助项目(2009CB226107)
河南省2009年基础与前沿技术研究计划项目(092300410056)
