raster (version 3.6-23)

flip: Flip

Description

Flip the values of a Raster* object by inverting the order of the rows (direction=y) or the columns direction='x'.

Usage

# S4 method for RasterLayer
flip(x, direction='y', filename='', ...)
# S4 method for RasterStackBrick
flip(x, direction='y', filename='', ...)

Value

RasterLayer or RasterBrick

Arguments

x

Raster* object

direction

Character. 'y' or 'x'; or 1 (=x) or 2 (=y)

filename

character. Output filename (optional)

...

if x is a Raster* object, additional arguments as for writeRaster

See Also

transpose: t, rotate

Examples

r <- raster(nrow=18, ncol=36)
m <- matrix(1:ncell(r), nrow=18)
values(r) <- as.vector(t(m))
rx <- flip(r, direction='x')
values(r) <- as.vector(m)
ry <- flip(r, direction='y')