roundrect {grid} R Documentation

Draw a rectangle with rounded corners

Description

Draw a single rectangle with rounded corners.

Usage

roundrectGrob(x=0.5, y=0.5, width=1, height=1,
default.units="npc",
r=unit(0.1, "snpc"),
just="centre",
name=NULL, gp=NULL, vp=NULL)
grid.roundrect(...)


Arguments

 x, y, width, height The location and size of the rectangle. default.units A string indicating the default units to use if x, y, width, or height are only given as numeric vectors. r The radius of the rounded corners. just The justification of the rectangle relative to its location. name A name to identify the grob. gp Graphical parameters to apply to the grob. vp A viewport object or NULL. ... Arguments to be passed to roundrectGrob().

Details

At present, this function can only be used to draw one rounded rectangle.

Examples

grid.roundrect(width=.5, height=.5, name="rr")
theta <- seq(0, 360, length.out=50)
for (i in 1:50)
grid.circle(x=grobX("rr", theta[i]),
y=grobY("rr", theta[i]),
r=unit(1, "mm"),
gp=gpar(fill="black"))


[Package grid version 4.2.0 Index]