%0 Journal Article
%T STUDY ON UPDATING CITY''S FUNDAMENTAL GEODATABASE<br>城市基础地理数据库更新机制研究
%A Liu De''er
%A Lan Xiaoji
%A Wang Yongjun
%A <br>刘德儿
%A 闾国年
%A 兰小机
%A 王永君
%A Liu De''er
%A Lü Guonian
%A Lan Xiaoji
%A Wang Yongjun
%J 大地测量与地球动力学
%D 2010
%I 
%X Today,urban development is so rapid that the updated cycle of geodatabase should be shortened.After studying existing results based on GIS and CAD models,the updating system based on Check Out/In is put forward.By use of the CAD's mapping functions fully,new surveyed data are inserted into the area to be updated,and saved to a sub-geodatabase.At the same time,its parent geodatabase will detect it and respond to automaticly.Experimental results certify that this method can update the city's fundamental geoda...
%K Check Out/In
%K geodatabase
%K CAD
%K data updating
%K update cycle<br>Check
%K Out/In
%K 地理数据库
%K CAD
%K 数据更新
%K 更新周期
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=E62459D214FD64A3C8082E4ED1ABABED5711027BBBDDD35B&cid=DA72A78627FE64EAA572951EA05D274A&jid=73A1A428591E600EF664B596512A2997&aid=0223A86AD809CDD652C154070A7FEA8F&yid=140ECF96957D60B2&vid=340AC2BF8E7AB4FD&iid=CA4FD0336C81A37A&sid=7CE3F1F20DE6B307&eid=BA79719BCA7341D5&journal_id=1671-5942&journal_name=大地测量与地球动力学&referenced_num=0&reference_num=8