【摘要】 地图是地理信息系统(GIS)的重要组成部分,如何实现显示地图符号在GIS和制图系统开发中占有重要的地位。这里探讨了图形设备接口GDI(Graphics Device Interface)在土壤地质制图中的应用,结合浙江省农业地质环境调查生产实践,利用GDI提供的API函数解决了以下标为特点的土壤地质单位符号显示问题,说明以与输出设备无关为特点的GDI技术在农业地质制图系统开发方面有着广泛应用前景。更多还原

【Abstract】 Map is an important part of GIS(Geographical Information System),and it is also important that how to display the map symbols in developing GIS and cartography system..Based on the work of Argo-geologic Environment Survey in Zhejiang Province,the paper studies the application of GDI(Graphics Device Interface)in soil geology cartography,and the displaying of the soil geological unit symbols with superscript and subscript has been realized through API function that GDI provides.All these works indicate that GDI technique is independent of output equipment,and it shows a potential prospect of the GDI’s application in Argo-geologic cartography system.更多还原