library(adegraphics)
pdf("s1d.density.pdf")

set.seed(40)
x1 <- rnorm(1000)
g11 <- s1d.density(x1)
g12 <- s1d.density(x1, col = FALSE, ppoly.col = "blue", p1d.rev = TRUE)
g13 <- s1d.density(x1, col = TRUE, ppoly.col = "blue", p1d.hori = FALSE)
g14 <- s1d.density(x1, col = TRUE, p1d.hori = FALSE, p1d.rev = TRUE)

update(g11, ppolygons.border = "red")
update(g11, col = FALSE, ppolygons.col = "black")
update(g11, ppolygons.lwd = 3, ppolygons.lty = 3, ppolygons.alpha = 1)
update(g11, ylim = c(-0.04, 0.5))

set.seed(50)
x2 <- c(rnorm(1000, mean = -0.5, sd = 0.5), rnorm(1000, mean = 1))
fact <- rep(c("A", "B"), each = 1000)
g21 <- s1d.density(x2, fact, col = c("red", "blue"))
g22 <- s1d.density(x2, fact, col = FALSE, ppoly.col = 2:3)
g23 <- s1d.density(x2, fact, col = FALSE, ppoly.col = 2:3, p1d.rev = TRUE)
g24 <- s1d.density(x2, fact, col = FALSE, ppoly.col = 2:3, p1d.horizontal = FALSE)
g25 <- s1d.density(x2, fact, col = FALSE, ppoly.col = 2:3, p1d.horizontal = FALSE, p1d.rev = TRUE)

set.seed(60)
x3 <- rnorm(1000)
g31 <- s1d.density(x3)
g32 <- s1d.density(x3, p1d.rug.draw = FALSE)
g33 <- s1d.density(x3, p1d.rug.draw = FALSE, p1d.rev = TRUE)
g34 <- s1d.density(x3, p1d.rug.draw = FALSE, p1d.hori = FALSE)
g35 <- s1d.density(x3, p1d.rug.draw = FALSE, p1d.hori = FALSE, p1d.rev = TRUE)

update(g31, p1d.rev = TRUE)
update(g32, p1d.rev = TRUE)
update(g33, p1d.rev = FALSE)
update(g34, p1d.rev = TRUE)
update(g35, p1d.rev = FALSE)