Updating Census Technology For Urban Parts

Now some older digital urban management system construction, Because of backward production technology, the production process is not comprehensive, resulting in system construction relatively old, completely suited to urban construction, management. With the rapid development of computer technology and mapping technology and extensive application, digital city management system construction are becoming increasingly sophisticated, urban construction scale is also growing, but more low accuracy digital urban management system, part of the key elements of the city, serious impact of the use of urban management system, It is mainly in three aspects:first, the early part of census inaccuracies, omissions phenomenon continues to stand out; second, urban roads change, the city expanded, the emergence of a large number of components, resulting in urban component parts not included in the system management area; third, the basic topographic map the old, urgently needs updating. These problems lead to difficulties reported by the digital urban management system files, but also to do the right, disposition and appraisal brought great difficulty, so the city assembly census update imminent. This paper analyzes the history and status of digital city management system, a brief introduction of the necessity to update the census of the city assembly, it introduces the key technologies of urban components updated census and census processes. According to the latest national standards, using laser measuring panorama image movement and traditional manual measurement finished updating the census urban part, urban parts classified management, and through the use of computer technology and database technology, Integration of GIS data, network data and other information resources, create urban component information management system, Parts of the city to do accurate, efficient, full-time, full of new management model.