GeoGlobe:Geo-spatial Information Sharing Platform as Open Virtual Earth

How to manage the PB level global covered multi-scales mass geo-information,construct the 3D virtual globe,efficient transportation and real-time visualization and specialty GIS integration is the great challenge of the geo-information techniques in our country.Therefore,this paper focuses on the theory,method and key techniques of management,network transportation,sharing integration and visualization of the multi-source,multi-scale and multi-date mass geo-information in online three dimension virtual globe.As the basis for it,the open-type of virtual globe sharing integration platform GeoGlobe is developed,and successfully implicated in a serious item such as National geographic information of public service platform.