subset: Subset of a SpatRaster

In terra: Spatial Data Analysis

Description

Select a subset of layers from a SpatRaster.

Usage

## S4 method for signature 'SpatRaster'
subset(x, subset, filename="", overwrite=FALSE, ...)

Arguments

x	SpatRaster
subset	integer or character. Should indicate the layers (represented as integer or by their names)
filename	character. Output filename
overwrite	logical. If TRUE, filename is overwritten
...	additional arguments for writing files as in writeRaster

Value

SpatRaster

Examples

s <- rast(system.file("ex/logo.tif", package="terra"))   
subset(s, 2:3)
subset(s, c(3,2,3,1))
#equivalent to 
s[[ c(3,2,3,1) ]]

s[[c("red", "green")]]
s$red

# expresion based (partial) matching of names with single brackets
s["re"]
s["^re"]

# not with double brackets
# s[["re"]]

terra documentation built on Aug. 20, 2021, 9:07 a.m.