【摘要】 MapBasic语言是地理信息系统 (GIS)软件MapInfo提供给用户进行二次开发的一个系统工具 ,能够用来扩展MapInfo的功能。本文给出了在MapBasic开发环境中如何实现由二维矢量地图生成数字高程模型(DEM)和由数字高程模型 (DEM)生成坡度图和坡向图 ,并给出了具体算法和实现过程。更多还原

【Abstract】 MapBasic is a development tool of MapInfo for users’ further development and it makes users be able to extent the function of MapInfo. This paper mainly presents how to build digital elevation model(DEM) and to generate slope map and aspect map from digital elevation model using MapInfo in MapBasic.更多还原