Research On The Theory And Implementation Of GIS For The Public

Along with the development of the function,GIS was impacted on.Following the specialization and profession stages,GIS is developed towards the stage of socialization.At this stage,GIS is expected to provide information service for the public.Based on the analysis of the development of GIS,the thesis studies the theory of construction of GIS for the Public;and produced a practical archetype system.The background is to construct a geospatial information service website of Yiwu.All urban information flows ordinal in this frame.Users can transport and release data,information through the platform.This puts sharing and interaction of the spatial information.The thesis gives a sample of GIS for the Public named YituTong.The service for the public includes special topic maps,a high quality local name database,multi-scale electronic maps,imformation based on streets,codes for the sores the urban structures,etc.Many query methods is convenient to the user.The self maintenance and updating system was built for the enterprises.The manager can manage it remotely on the server in time.The thesis introduces the structure of the system.It studies the function,securtity and system maintainability.It mainly studies on the urban information classification and coding,the method of data collection and updating.And design the building of spatial database and special topic database to organize,store and query data effectively.