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地形地籍成图系统CASS不仅可以连通数字化成图系统与GIS的接口,还可以实现简码的用户化和图式符号的自定义编辑。通过对CASS7.0符号库文件结构的解析,分析了通过自定义符号来完善不同比例尺的地形图符号库的可行性,并介绍了自定义符号的实现过程。 更多还原

【Abstract】 CASS,which is the topographical and cadastral survey system,not only can link digital mapping system and interface of GIS,but also customize the personal code and custom the cartographic symbol.Through the parse of document organization of CASS7.0 symbolic library,this paper analysed the feasibility of perfecting symbolic library of serial scale topographic map by customizing symbol,and unfolded the realization process of symbol customization.