Combining digital photogrammetry with traditional planimetric method, the working process is described of using digital planimetric photogrammetry to maintain topographic maps in plain area.

• 通过结合数字摄影测量与传统综合法,从生产实践的角度选择平坦地区地形图的修测方法,对平坦地区的修测方法数字综合法的作业流程进行详细地阐述。