xyLayer

Description

Create a RasterLayer from a function of the coordinates.

Usage

xyLayer(object, dirXY = y)

Arguments

Value

A RasterLayer object.

Author(s)

Oscar Perpi<c3><83><c2><b1><c3><83><c2><a1>n Lamigueiro.

See Also

init, substitute, eval

Examples

f <- system.file("external/test.grd", package="raster")
r <- raster(f)
dirX <- xyLayer(r, x)
dirXY <-xyLayer(r, sqrt(x^2 + y^2))
levelplot(dirXY, margin=FALSE)

Results