Terrain Analysis (Elevation, Slope, or Direction) – Plex-Earth。An optimized detection model for micro-terrain around transmission。Digital Soil Mapping with R – digital-terrain-analysis。GISと関連技術を用いた地形分析の唯一の参考書。Title:Terrain Analysis-Principles and ApplicationsEditors: John P. Wilson, John C. GallantPublisher: John Wiley & Sons,inc.。Digital Soil Mapping with R – digital-terrain-analysis