theodolite

The calculation method of deducing horizontal distance and elevation difference between two points by utilizing the vertical angle and reading measured with theodolite.

介绍了利用经纬仪测量竖直角和中丝读数 ,推导出两点间的水平距离和高差的计算方法 ,该法与常规视距测量相比 ,推导严谨 ,实测精度较高 ,且不受地形限制 ,方便快捷。