StratigrapheR (version 1.3.1)

flip.lim: Inverts the intervals

Description

Gives a negative of the intervals of a lim object

Usage

flip.lim(lim = NULL, l = NULL, r = NULL, b = "[]", xlim = NA)

Value

a lim object of intervals in between the provided intervals

Arguments

lim

an object convertible into a lim object: either a vector of length 2 or a list of n left (1st element) and n right (2ndt element) interval limits

l

a vector of n left interval limits

r

a vector of n right interval limits

b

a character vector for the interval boundaries rules: "[]" (or "closed") to include both boundaries points, "][" (or "()" and "open") to exclude both boundary points, "[[" (or "[)","right-open" and"left-closed") to include only the left boundary point, and "]]" (or "(]", "left-open", "right-closed") to include only the right boundary point. The notation is simplified to "[]", "[[", "]]" and "][" only.

xlim

the minimum and maximum of the new lim object (minimum and maximum of the old one if NA; is the default)

See Also

as.lim

Examples

l   <- c(1,3,5,7,9,10)
r   <- c(3,4,7,8,9,11)
b   <- "]["

xlim <- c(-1,15)

res <- flip.lim(l = l, r = r, b = b, xlim = xlim)

plot(1,1,type = "n", xlim = c(-4, 20), ylim = c(0.3, 1.8))
rect(l, 1.1, r, 1.4, col = "green", border = "darkgreen", lwd = 3)
rect(res$l, 1, res$r, 0.7, col = "red", border = "darkred", lwd = 3)
abline(v = xlim)