Research and Design about Component of Spatial-Analyzer
空间分析组件的研究与设计

Components GIS(ComGIS) ,a new technology based on Components Software,is a mainstream in GIS technology. In this paper,the phases in which software of GIS develops are discussed in detail,and the merits and trends of ComGIS are pointed out. Also, expatiates how to design the component of Spatial-Analyzer function in ComGIS.