Get the value of the anisotropy exponent and associated metrics for a tile of elevation

get_zeta_df(DEM, tiles, raster_resolution, vertical_accuracy = 1.87)

Arguments

DEM

an elevation raster

tiles

a RasterLayer or a SpatialPolygons to tiles DEM

raster_resolution

numeric the resolution of rstr in meters

vertical_accuracy

numeric, the vertical accuracy of DEM, default to 1.87 for the 10-m National Elevation Dataset

Value

a data.frame with a number of rows equals to the length of tiles