grid.polygon {grid}R Documentation

Draw a Polygon

Description

This function draws a polygon. The final point will automatically be connected to the initial point.

Usage

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)

Arguments

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).

Details

The "grob" object contains an object of class "polygon".

Value

An object of class "grob".

Author(s)

Paul Murrell

See Also

Grid, viewport

Examples






[Package Contents]