基于WebGIS的水务普查成果共享服务平台设计与实现
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摘要
北京市于2010—2012年开展了第一次面向境内的水务对象普查工作,普查对象涉及河流湖泊、水利工程、供排水等共11个专项,成果涵盖了十几万个水务对象。此次普查基本摸清了北京市水务家底,为助推首都经济发展打下了坚实的基础。但由于长期以来受传统观念、行政体制、管理模式、技术手段等多方面因素的制约,导致"信息孤岛"现象严重,信息不一致难以整合共享,业务之间难以协同。为了解决这些问题,北京市开展了"基础水信息服务平台"及相关配套设施的建设。该平台基于Web GIS和元数据等技术,通过梳理普查基础数据和空间数据,结合已有数据及基础测绘数据,建成水务综合库,绘制完成水务一张图,搭建北京市基础水信息服务平台。平台的建成,实现了"一张图、一个库、一套表、一个平台"的"四个一"普查成果目标,初步形成"水务百度"雏形。
From 2010 to 2012,the first census for water in Beijing city was carried out,which figured out the real situation of Beijing's water,and laid a solid foundation for boost the capital's development. However,because of traditional ideas,administrative system,management mode,technology and other factors for a long time,the " information isolated island" phenomenon is serious,inconsistent information is difficult to integrate and share,and business is difficult to cooperate. In order to solve these problems,Beijing water basic information service platform is carried out. Based on Web GIS and metadata technology,the relationship between attribute data and spatial data from census for water are established and straighten out,the census results target that " a figure,a library,a table,a platform" is retaliated,and water search engine as Baidu is initially built.
From 2010 to 2012,the first census for water in Beijing city was carried out,which figured out the real situation of Beijing's water,and laid a solid foundation for boost the capital's development. However,because of traditional ideas,administrative system,management mode,technology and other factors for a long time,the " information isolated island" phenomenon is serious,inconsistent information is difficult to integrate and share,and business is difficult to cooperate. In order to solve these problems,Beijing water basic information service platform is carried out. Based on Web GIS and metadata technology,the relationship between attribute data and spatial data from census for water are established and straighten out,the census results target that " a figure,a library,a table,a platform" is retaliated,and water search engine as Baidu is initially built.
引文
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[3]罗兵.基于元数据控制的ETL系统应用研究[D].重庆:西南大学,2006.
[4]戴浩,杨波.ETL中的数据增量抽取机制研究[J].计算机工程与设计,2009,30(23):5 552-5 555.
[5]吴功和,丛明日.基于Arc GIS Server的分布式GIS应用[J].测绘科学技术学报,2006,23(1):52-55.
[6]Scottie Barnes.Server Based GIS[J].Geospatial Solutions,2004,5(14):15-16.
[7]沈百玲.Arc GIS Server体系结构和开发简介[R].北京:ESRI中国(北京)有限公司,2004.
[8]郭婧,张立朝,王科伟.基于Arc GISServer构建地理信息服务[J].测绘科学,2007,32(3):91-93
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[11]Bill Kropla.Beginning mapserver:open source GIS development[M].Apress,2005.
[12]冯学韬.基于Map Server的Web GIS[Z].http://blog.donews.com/undeadbird/articles/788363.aspx.
[13]熊静,张箐.基于Map Server的遥感影像发布系统的研究[J].遥感应用,2007(1):53-57.
[14]袁轶,郑文锋,王绪本.基于Geo Server的Web GIS开发[J].图形学与辅助设计,2007(3):96-98.
[15]蒋佩伶,苗放,张峻骁.基于Geo Server和Open Layers的Web GIS实现[J].甘肃科技,2009,25(22):35-36.
[16]Clementini E,Difelice P,Vanoosterom P.A Small Set of Topological Relationships Suitable for End-user Interaction[A].Advances in Spatial Databases,LNCS692[C].Singapore:Springer-Verlag,1993:277-295.
[17]Egenhofer M J,Franzosa R D.Point-set topological spatial relations[J].International Journal for Geographical Information Systems,1991,5(2):161-174.
[18]Guting R H.Geo-relational algebra:A model and query language for geometric database systems[A].In:Proceedings of the International Conference on Extending Database Technology[C].Venice,Italy,1988:506-527.
[19]Egenhofer M,Clementini E,Di Felice P.Topological relations between regions with holes[J].International Journal of Geographic Information Systems,1994,8(2):129-144.