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Terrain Data Analysis

Digital terrain and elevation model analysis functions, including profile, gradient, line-of-sight, and viewshed calculations


gradientm Calculate gradient, slope and aspect of data grid
los2 Line-of-sight visibility between two points in terrain
viewshed Areas visible from point on terrain elevation grid


Determining and Visualizing Visibility Across Terrain

Computing line-of-sight and viewsheds with los2 and viewshed

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