raster (version 2.0-08)

text: Add labels to a map

Description

Plots labels, that is a textual (rather than color) representation of values, on top an existing plot (map).

Usage

## S3 method for class 'RasterLayer':
text(x, labels, digits=0, fun=NULL, ...)

## S3 method for class 'RasterStackBrick':
text(x, labels, digits=0, fun=NULL, ...)

## S3 method for class 'SpatialPolygons':
text(x, labels, ...)

## S3 method for class 'SpatialPoints':
text(x, labels, ...)

Arguments

x

Raster*, SpatialPoints* or SpatialPolygons* object

labels

Character. Optional. Vector of labels with length(x) or a variable name from names(x)

digits

Integer. how many digits should be used?

fun

Function to subset the values plotted (as in rasterToPoints

...

Additional arguments to pass to graphics function text

See Also

text, plot

Examples

r <- raster(nrows=4, ncols=4)
r <- setValues(r, 1:ncell(r))
plot(r)
text(r)

plot(r, col=bpy.colors(5))
text(r, fun=function(x){x<5 | x>12}, col=c('red', 'white'), vfont=c("sans serif", "bold"), cex=2)