update function

Change values in a file

Change the contents of a file that is the data source of a SpatRaster. BE CAREFUL as you are overwriting values in an existing file.

## S4 method for signature 'SpatRaster'
update(object, crs=FALSE, extent=FALSE)

Arguments

• object: SpatRaster
• crs: logical. Should the coordinate reference system be updated?
• extent: logical. Should the extent be updated?

Returns

SpatRaster (invisibly)

Examples

s <- rast(system.file("ex/logo.tif", package="terra"))   
fname <- paste0(tempfile(), ".tif")
x <- writeRaster(s, fname)
ext(x) <- ext(x) + 1
crs(x) <- "+proj=utm +zone=1"

update(x, crs=TRUE, extent=TRUE)

rast(fname)