imageText.Color: Adds text to the last plot
In HenrikBengtsson/R.colors: Color and color filter classes

Description Usage Arguments Author(s) See Also Examples

Adds text to the last plot.

1 2	## S3 method for class 'Color' imageText(this, label=c("none", "index", "rgb", "space"), col=NULL, cex=0.6, srt=0, ...)

`label`	Type of labels to add (a `character` string).
`col`	Color for text.
`cex`	Scale factor (a `numeric`) for the text.
`srt`	String rotation (a `numeric`).

Henrik Bengtsson (http://www.braju.com/R/)

For more information see Color.

# One-dimensional colors
ncolors <- 256/4
x <- seq(0,1, length=ncolors)

layout(matrix(1:4, ncol=2, byrow=TRUE))
opar <- par(mar=c(0,1,3,1)+0.5)

color <- RainbowColor(x);
for (label in c("index", "rgb", "space")) {
  image(color, gridLty=1, gridLwd=3)
  imageText(color, label=label, cex=1)
}

par(opar)