摘要
基于GML的多源异构空间数据集成将GML技术与空间数据集成技术相结合,能解决网络环境下地理信息资源相互不兼容的瓶颈问题,有效的实现数据的互操作。本文在分析GML数据格式特征的基础上,基于J2EE网络环境提出一个基于GML的多源异构空间数据应用集成框架。重点介绍了E00格式的空间数据规格定义以及向GML格式转换处理过程,并以福建省主要公路数据集为样本数据验证了集成结果。结果表明,采用GML作为多源异构数据集成的描述格式,可在数据层上有效地实现空间数据的集成和互操作。
With the rapid development of computer and internet technology,the application of geographic information comes into age of internet gradually.People can easily get geographic information from internet.However,geographic information are multi-source,complex and incompatible.It is difficult to use them directly.GML and spatial data integration technology can be used to solve the problem in the network environment so that inter-operation of heterogeneous spatial data can be implemeted.Based on the analysis of data format and geometry elements of GML,and the framework introduced by GioWiederhold in 1991,a GML-based multi-source and heterogeneous spatial data integration framework was developed in a J2EE environment.Taking E00 and SHP as example,the spatial data specification of E00 and the GML-E00 conversion,are discussed.Finally,the data integration is validated taking Fujian Major Highway Database as a sample database and the interface of data is offered.The result indicates that GML for multi-source and heterogeneous spatial dataintegration is effective.
出处
《测绘科学》
CAS
CSCD
北大核心
2005年第5期53-55,共3页
Science of Surveying and Mapping
基金
国家863项目"大型行业GIS应用示范-区域"(2003AA135050)
关键词
多源空间数据
集成框架
GML
Multi-source Spatial data
Integration Framework
GML
作者简介
陈传彬（1980-），男，硕士研究生，主要从事网络地理信息系统、地理信息服务等方面的研究工作。E—mail：binchenchuan@l63．com
