多源数据生产DEM方法探索

Study of Multi-Source Data DEM Production

在全国地理国情普查项目中,以湖北省DEM生产项目为例,针对原始资料繁多而且复杂,以及DEM生产编辑过程中出现的问题等情况,结合相关新软件,提出了一些比较合理有效的作业方法和建议,为以后多源数据生产大范围DEM产品的项目提供参考借鉴。

Multi-source data DEM procedure is of great sig- nificance in National Census Geography. In this paper, tak- ing the production of Hubei Province census geographical census as an example, some efficiency ways and suggestions are given to solve the problems in process of DEM production, especially in the situation of multi-source data. These methods provide experience and reference for the future work.