基于规则格网DEM的等高线绘制与优化
龚 恒,何元清
Drawing and Optimization of Contour Lines Based on Grid DEM
GONG Heng, HE Yuan-qing
计算机与现代化 . 2015, (5): 76 -80 .  DOI: 10.3969/j.issn.1006-2475.2015.05.016