数字地形图的缩放

On scaling of digital topographic map

简要阐述了数字地形图缩放的依据,结合具体工程项目,以1∶2 000转换成1∶10 000为例,较详细的介绍了数字地形图的缩放方法,通过系统的总结,对相关专业人员有一定参考价值。

The paper indicates the reference for the scaling of the digital topographic map,and introduces the scaling methods for the digital topographic map by taking the exchanging of 1∶ 2 000 into 1∶ 10 000 as the example and combining with the factual engineering programs,so as to provide some reference for relative professionals.