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《Science of Surveying and Mapping》 2006-03
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The problems and advice of establishment of basic spatial geographic information in middle and small cities

ZENG Tao~①,YANG Wu-nian~①,GUO Qiang~②,JIAN Ji~①(①Ministerial Key Lab of Information Technology &Application of Land and Resources,Chengdu University of Technology,Chengdu 610059;②Chengdu Municipal Waterworks Company,Chengdu 610072)  
Basic geographic information is the important component of city spatial data infrastructure.The core of establishment of middle and small Urban Geography Information System(UGIS) is geo-spatial data.In this paper,the authors analyze the actuality of basic spatial geographic information in city and town and show that there are many problems in the construction of basic spatial geographic information,for example,the variety of data format and standard,the slowness of update and so on.Therefore,the authors put forward some advice about the improvement of construction and updating of the database.
【Fund】: 成都市重大科技专项基金项目资助;; 高等学校博士学科点专项科研基金资助课题(编号:20040616009)
【CateGory Index】: P208
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