The Research And Implementation Of GIS Based On Web Services

This paper analyses the problems and deficiencies of fuctions and data shared in GIS and new model distributed Web Services technology, then researches theories and characteristics of Web Services technology. According to needs of GIS development,after discussing the advantages of Web Services technology on GIS fuctions and GIS data shared,this paper brings forward a GIS model framework based on Web Services and applies it to a special instance development process successfully which proves the feasibility of the model designed.This model adopts mode of C/S and is divided into two parts:applications in client and GIS services in server which communicate with each other in http/xml. It accomplishes an application integration frame of loose coupling through such mechanisms as GIS service definition, service advertising, service discovery, service binding and service invocation etc .This model frame provides a new reference one for GIS fuctions and GIS data shared in the net. Han LiSen(Computer Applied Technology)Directed by Prof.Wang Cuiru...