barbedGrob: barbedGrob

In gridExtra: functions in Grid graphics

Description

plot lines and symbols

Usage

barbedGrob(x=stats::runif(10), y=stats::runif(10),
    size=unit(sample(1:4, 10, repl = TRUE), "char"),
    pch=21, space=1, only.lines=FALSE, gp=gpar(), name,
    default.units="npc", vp)

Arguments

x	coordinates
y	coordinates
size	unit vector for the symbols
pch	vector of symbol types
space	numeric scaling factor for the exclusion zone (see Details)
only.lines	logical: should only split lines be returned?
gp	gpar() object for the symbols
name	grob name
default.units	default units
vp	viewport

Value

a grob

See Also

grid.segments, grid.points

Examples

grid.barbed(name="test")
grid.edit("test", gp=gpar(fill="blue", lwd=3))
grid.edit("test::points", pch=22)
grid.newpage()
g <- 
barbedGrob(size=unit(1:5, "char"), only=FALSE, 
gp=gpar(col="red", lex=3, fill="blue", alpha=0.5, pch=3))

pushViewport(vp=viewport(width=1, height=1))
grid.rect(gp=gpar(fill="thistle2"))
grid.grill(gp=gpar(col="lavenderblush1", lwd=3, lty=3))
grid.draw(g)
x <- c(0.2, 0.7)
y <- x
dev.new(width=3, height=7) 
grid.newpage()
g <- 
barbedGrob(x, y, size=unit(c(2, 10), "mm"))
pushViewport(vp=viewport(width=1, height=1))
grid.draw(g)
grid.points(x, y, pch=3)

gridExtra documentation built on May 2, 2019, 4:59 p.m.