Calculates surface area of a 3D or 2D object.
surface_area(data)
DEM in RasterLayer format, mesh3d object or data frame with xy coordinates.
Surface area value.
Jenness, J.S. Calculating Landscape Surface Area from Digital Elevation Models. Wildlife Society Bulletin, Vol. 32, No. 3 (Autumn, 2004), pp. 829-839n
surface_area(mcap)
#> [1] 0.2698101
surface_area(horseshoe)
#> [1] 127.2096
surface_area(mesh_to_2d(mcap))
#> [1] 0.08303158