| Geographic Information System is a computer system, which collects, manages, analyzes and shows spatial data, it adopts geographical method to provide spatial and dynamic information and helps man search and make decision.With the system of run successfully. Based on Spatial data warehouse , The structure and management of Spatial data is studied and discussed . This work mainly include:Firstly, The definition and system structure of Spatial data warehouse is explained, including concept , two kinds manner of expression and more levels memory Strategy.Secondly, Spatial metadata is presented including concept, content, the Strategy of Management sort and function and so no .Thirdly , Integration of spatial data based on CORBA is explained in detail.The object of CORBA transfer mechanism is analyzed ,including client, the implement of object and Agent of object request , the strategy and structure of CORBA's mechanism is concerned.Based on spatial data and spatial metadata, the way to store them in the spatial data warehouse is introduced, the model of WebGIS is finished , the system of Spatial data structure and management is analyzed and designed.Besides these basic theory researches, the author finish a project which based on Visual Basic 6.0 and SuperMap2000 on the PC platform, which already is put into practice and runs well.
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