共 19 条
[4]
数字地形分析[M]. 科学出版社 , 周启鸣,刘学军著, 2006
[5]
Slope Angle and Slope Length Solutions for GIS[J] . Robert Hickey.  Cartography . 2000 (1)
[6]
Extracting topographic structure from digital elevation data for geographicinformation system analysis. JENSON K,DOMINGUE J Q. Photogrammetry Engineering and Remote Sensing . 1998
[7]
Slope Angle and Slope Length Solutions for GIS. Robert Hickey. Cartography . 2000