grid.polygon {grid} | R Documentation |
This function draws a polygon. The final point will automatically be connected to the initial point.
grid.polygon(x=c(0, 0.5, 1, 0.5), y=c(0.5, 1, 0.5, 0), default.units="npc", gp=gpar(), draw=TRUE, vp=NULL)
x |
A numeric vector or unit object specifying x-locations. |
y |
A numeric vector or unit object specifying y-locations. |
default.units |
A string indicating the default units to use
if x , y , width , or height
are only given as numeric vectors. |
gp |
An object of class gpar , typically the output
from a call to the function gpar . This is basically
a list of graphical parameter settings. |
draw |
A logical value indicating whether graphics output should be produced. |
vp |
A Grid viewport object (or NULL). |
The "grob"
object contains an object of class "polygon"
.
An object of class "grob"
.
Paul Murrell