Spatial information coding model based on global mesh model to solve the coding of the different GIS data model entities in the same space is not only caused by static data sharing difficulties and identified problems and non-spatial location, given the global Global Subdivision Model continuity, as well as the world' s only multi-level nature of the subdivision patches address code, this paper, based on global spatial information coding subdivision global subdivision model (Geo DNA) model, system architecture and design of the coding model, trying to implement holographic expression of global spatial information. Through remote sensing image spatial entity encode test, that the global information space subdivision coding model will greatly enhance the ability to maintain and sharing of spatial information, accelerate the speed of query and retri of information on regional emergency response with strong theoretical and practical value

鍩轰簬鍏ㄧ悆鍓栧垎妯″瀷鐨勭┖闂翠俊鎭

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