摘要
随着Google Earth等应用的普及和地理数据采集成本的下降,依托于地理信息的各种系统建设及应用也日益普及。系统服务的好坏很大部分取决于数据,同样地理信息系统数据库设计对地理信息系统服务应用的质量也至关重要。由于传统生产观念的影响,服务型地理信息系统建设在数据库设计方面总是过多考虑数据如何方便更新,而往往忽略数据如何更好应对服务的设计本质。为了保障地理信息系统服务的高质量,文章在充分介绍了空间对象和空间数据库的特点和相关技术后,详细讨论了空间数据库设计的关键技术,指出了服务导向原则对该设计的重要作用,并从作者自身系统研发经验出发,阐述了面向服务的数据库建设的概念、内涵及设计要求。
With the popularity of applications such as Google Earth and the decline in cost of geographic data collection,a variety of constructions and applications relying on the geographic information system become increasingly popular.The quality of services depends mainly on the data,the GIS database design is also crucial for the quality of applications of geographic information system services.Due to the influence of traditional production concepts,more emphasis is put on how to update the data easily in the database design of the geographic information system service,but the need for data services to better respond is often overlooked in the design.In order to guarantee the quality of geographic information system services,this paper fully describes the characteristics of the spatial objects and spatial databases and the related technology,discusses the key technology of the spatial database design in detail,and points out the important role of the service-oriented design principles for the design of the proposed SOA-based spatial database.From many years of system development experience,the concept,content and design requirements of the construction of service-oriented database are described.
出处
《浙江万里学院学报》
2011年第1期68-73,共6页
Journal of Zhejiang Wanli University
