The Research and Development of WebGIS Client Based on OpenLayers

WebGIS is the product of the Internet and distributed computing technology applied in the development of GIS,and is the best ways to realize the mutual operation of GIS.Based on the analysis of network GIS framework based on Web services,this paper put forward a program of developing WebGIS client based on OpenLayers.The web map service platform developed by this program is clear in structure,strong in expandability,and fit for small and medium-sized map services.