raster (version 3.6-23)

contour: Contour plot

Description

Contour plot of a RasterLayer.

Usage

# S4 method for 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)