1:500地形图全数字摄影测量的精度保证

The Accuracy Guarantee of 1:500 Topographic Map on Full Digital Photogrammetry

由于1∶500地形图精度要求很高,因此利用全数字摄影测量方法测绘时,精度很难达到要求,甚至有很多人认为用此种方法根本达不到1∶500地形图要求的精度指标。但经过我们的生产实践,1∶500地形图的精度完全可以保证。本文提出了利用全数字摄影测量方法测绘1∶500地形图时保证精度的具体措施,对以后采用此种方法成图具有一定的指导作用。

Because precision requirement is higher, it＇s hard to achieve the requirement when surveying with Full Digital Photogrammetry,and most people believe that the method don1 achieve the accuracy index of 1：500 topographic map. But the accuracy of 1：500 topographic map can be guaranteed by production practice proved. This paper put forward the concrete measures of surveying 1：500 topographic map with Full Digital Photogrammetry, and it can play a guiding role for the future.