terra (version 1.1-4)

arith: apply a local function

Description

Apply a function that (arithmetically) operates to individual cells and layers of a SpatRaster, to return the same number of layers as in the input SpatRaster. That, is unlike with app, without summarizing over layers.

Usage

# S4 method for SpatRaster
arith(x, fun, ..., filename="", overwrite=FALSE, wopt=list())

Arguments

x

SpatRaster

fun

function

...

additional arguments for fun

filename

character. Output filename

overwrite

logical. If TRUE, filename is overwritten

wopt

list with named options for writing files as in writeRaster

Value

SpatRaster

See Also

arith

Examples

# NOT RUN {
r <- rast(ncols=10, nrows=10)
values(r) <- 1:ncell(r)

x <- arith(r, sqrt)

# equivalent to 
y <- sqrt(x)
# }