1∶50000数字高程模型快速生产软件设计及应用

Design and Applications of Quick 1∶50 000 DEM Generating Software

数字化地形图等高线法是目前生成DEM的一种有效方法,本文介绍了利用等高线作为数据源,在工程中大规模、批量化生产DEM时,DEM快速生产软件的设计思想以及开发过程中的主要技术等。该软件已申请专利,并成功应用于国家1∶50 000数据库更新工程DEM更新生产中,具有低成本、高效率、自动化等特点,取得了巨大的经济效益以及社会效益。

Digital contour is an effective approach to generate DEM. This paper introduces the design ideas of quick DEM generating software and main technologies using eontuur as data source when generating DEM in a large scale. The software, which is characterized by low cost, high efficiency and automation, has applied for patent protection and has been successfully applied for 1：50 000 DEM updating as part of the national database updating project. By now, it has brought about huge economic and social benefits.