Create a layer depicting northness based on an elevation layer.
Usage
create.north(layers)
Value
SpatRaster.
Arguments
layers
SpatRaster. A layer of elevation (a digital elevation model - DEM).
As defined in package terra, see terra::rast().
Details
Using elevation, aspect can be calculated. Yet, it is a circular variable (0 = 360) and has to be converted to northness and eastness to be useful for modelling.