This paper describes Geographical Information System's core technology as map layers, vector maps, and spatial-attribute data recognizing, and gives a further comment on GIS which bases on ActiveX technology. Using object oriented method, a model consist of school map, buildings, floors and rooms is built for school GIS. Based on view and view configuration model, using such GIS platform, a school GIS software is developed. This application shows that using such GIS platform can shorten GIS software developing cycle and improve software extendibility notably.
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