面向城市DEM构建的地形要素分类及表达
杨灿灿, 江岭, 陈昕, 王春, 赵明伟

Classification and Expression of Urban Topographic Features for DEM Construction
YANG Cancan,JIANG Ling,CHEN Xin,WANG Chun,ZHAO Mingwei
图4 地形数据分类结果
Fig. 4 Classification results of urban topographic features