Counties Gis Theory And Practice Of Construction

Man is entering the Information Age. Since 1998 the concept of "Digital Earth" was brought forward, China has given a boost to build the project of "Digital City". GIS is one of the key technologies to realize the project of "Digital City". District GIS developing is the foundation and key to realize the whole social information, the inevitable choice to realize district information and the basic project of Electronic Government. District GIS is the main content of district information. Developing District GIS is the inevitable choice to develop district information resources.Enhancing the level of district information, realizing digital connection in district and enhancing the level of government management and service through integration information distributed among ministries are the aims of Develop District GIS.District GIS integration platform is the foundation to develop and apply District GIS. To strengthen the studies of classification and grade of data, standardization, policies, laws and mechanism studies, cultivating of talents and industrialization are the guarantee to build District GIS.The author of this paper relates fully the significance, the main contents and guarantee system of building District GIS, analyzes the relations between District GIS and Electronic government affairs,designs District GIS integration platform, and gives a example of GIS integration application of Shanghai Jingan District and gives a practical exploration of GIS. The author gives the above result through participating in 2003 Shanghai City Information Development Tasks -- Shanghai City GIS IntegrationApplication Programming Studies and Shanghai City District GIS Integration Application Experimental Unit, as well as practical studies of Shanghai City and District Grid.