摘要
数字摄影测量发展趋势是利用GPS辅助空中三角测量进行航空摄影，特别是在测区植被茂密，人烟稀少的地方具有较大优势，本文介绍应用这一原理进行国外大型水电项目规划测绘地形图的一些基本方法。
The development trend of digital photogrammetry is to realize aeroplane photography with help of GPS aided aerial triangulation survey. This principle is highly advantageous when the surveyed area is covered by dense vegetation and has a small population. This paper introduces some basic methods to apply this principle in surveying and mapping topographic maps for large-sized international hydropower projects.
