R: Trim a SpatRaster

trim {terra} | R Documentation

## Trim a SpatRaster

### Description

Trim (shrink) a SpatRaster by removing outer rows and columns that are `NA` or another value.

### Usage

    ## S4 method for signature 'SpatRaster'
    trim(x, padding=0, value=NA, filename="", ...)

### Arguments

`x` | SpatRaster
`padding` | integer. Number of outer rows/columns to keep
`value` | numeric. The value of outer rows or columns that are to be removed
`filename` | character. Output filename
`...` | additional arguments for writing files as in `writeRaster`

### Value

SpatRaster

### Examples

    r <- rast(ncol=10, nrow=10, xmin=0,xmax=10,ymin=0,ymax=10)
    v <- rep(NA, ncell(r))
    v[c(12,34,69)] <- 1:3
    values(r) <- v
    s <- trim(r)

[Package terra version 1.2-10 Index]