【摘要】 介绍利用航测法,通过JX4数字摄影测量工作站进行特征点线的采集,在建立的不规则三角网(TIN)基础上创建DEM,并利用DEM生产制作等高线的新方法。 【英文摘要】 This paper introduces a new method of producing contour lines by DEM,it establish DEM based on generating TIN,and acquiring feature points and lines by application of JX4 digital photograph surveying station.