plot.raster {graphics} | R Documentation |
This functions implements a plot
method for raster images.
## S3 method for class 'raster'
plot(x, y,
xlim = c(0, ncol(x)), ylim = c(0, nrow(x)),
xaxs = "i", yaxs = "i",
asp = 1, add = FALSE, ...)
x, y |
raster. |
xlim, ylim |
Limits on the plot region (default from dimensions of the raster). |
xaxs, yaxs |
Axis interval calculation style (default means that raster fills plot region). |
asp |
Aspect ratio (default retains aspect ratio of the raster). |
add |
Logical indicating whether to simply add raster to an existing plot. |
... |
Further arguments to the |
require(grDevices)
r <- as.raster(c(0.5, 1, 0.5))
plot(r)
# additional arguments to rasterImage()
plot(r, interpolate=FALSE)
# distort
plot(r, asp=NA)
# fill page
op <- par(mar=rep(0, 4))
plot(r, asp=NA)
par(op)
# normal annotations work
plot(r, asp=NA)
box()
title(main="This is my raster")
# add to existing plot
plot(1)
plot(r, add=TRUE)