raster (version 2.0-41)

subset: Subset layers in a Raster* object

Description

Extract a set of layers from a RasterStack or RasterBrick object.

Usage

## S3 method for class 'Raster':
subset(x, subset, drop=TRUE, filename='', ...)

## S3 method for class 'RasterStack':
subset(x, subset, drop=TRUE, filename='', ...)

Arguments

x

RasterBrick or RasterStack object

subset

integer or character. Should indicate the layers (represented as integer or by their name)

drop

If TRUE, a selection of a single layer will be returned as a RasterLayer

filename

character. Output filename (optional)

...

additional arguments as for writeRaster

Value

• Raster* object

See Also

dropLayer

Examples

r <- raster(system.file("external/test.grd", package="raster"))
s <- stack(r,r,r)
sel <- subset(s, 2:3)
sel <- subset(s, 2)
sel <- subset(s, 2, drop=FALSE)
  
#  sel <- subset(s, 2:3) is equivalent to
sel <- dropLayer(s, 1)