The system design,the database design and the function design on server and browser client of the natural disaster emergency management system in Jinan based on B/S(browser/server)mode is discussed.And then focus on the analysis of key technologies:multi-dimensional disaster information expression based on 2D-3D integration.Spatial analysis and operation based on geographic information data,Integrated management and multi-level sharing of heterogeneous multi-source data,in order to provide technical support for urban natural disaster risk prevention and control management and emergency rescue.
natural disaster2D and 3D integrationWebGISdata management
NETL
NSTL
万方数据
