Contour plot — contour • raster

Contour plot of a RasterLayer.

Usage

# S4 method for class 'RasterLayer'
contour(x, maxpixels=100000, ...)

Arguments

x: Raster* object
maxpixels: maximum number of pixels used to create the contours
...: any argument that can be passed to contour (graphics package)

See also

persp, filledContour, rasterToContour

Examples

r <- raster(system.file("external/test.grd", package="raster"))
plot(r)
contour(r, add=TRUE)