数字高程模型的表现及应用

Performance and Application of Digital Elevation Model

数字高程模型(DEM)是测绘领域中一个重要的应用分支。笔者主要介绍了数字高程模型的数据获取方式、生成方法以及在测绘、地理信息系统和遥感等领域中的应用。

Digital elevation model is an important applied branch in survey field. In this paper, the author introduced acquisition methods, generation approach and application in survey, geographic information systems and remote sensing of digital elevation model.