REARCH ON THE CURRENT STATUS AND HISTORY TRANSFORMATION OF HUTONG IN BEIJING IMPERIAL CITY BASED ON GIS TECHNIQUE

摘要

Hutong is a special cultural heritage of Beijing. This paper research Hutong in the imperial city of Beijing, mainly in 7 typical years from the found of PRC till now, respectively 1949, 1965,1980, 1990, 2003, 2005 and 2007, produce GIS data of 7 typical years, with accurate geography coordinate and attribute information, including name, built age, demolished age, start location and end location of each Hutong. Famous Hutong GIS data is produced based on Hutong GIS data of 2007, as well as Hutong inside of the protection regions of history and culture GIS data. In order to manage these GIS data efficiently, a spatial database was built, to meet the requirement of search, extract, compare and analyze to historic Hutong data. Further analyze to the transition of Hutong indicates, from 1949 to 2007, Hutong in imperial city has decreased by 55% in the number by 48% in the length. From 2005 to 2007, the decrease trend of Hutong has been held back efficiently, the protection of Hutong direct to a prosperous future.