xrect

Draw rectangles from four colummns xmin,xmax,ymin,ymax

xrect(x, add = FALSE, ..., asp = 1L)

Arguments

x

four columns worth of rectangles

add

instantiate a plot or add to existing (default is add = FALSE)

...

arguments passed to rect()

asp

aspect ratio, defaults to 1

Value

nothing, called for side effect of creating or adding to a plot

Details

Calls rect(), but will instantiate a plot if add = FALSE.

Examples

xrect(runif(100))

xrect(sort(runif(100)))

xrect(runif(100), col = hcl.colors(25, alpha = seq(.2, .8, length.out = 25)))

#example(xcontour, ask = FALSE)
ex <- c(0.2, 0.8, .2, .6)
xrect(ex, add = TRUE, lwd = 5, lty = 2)