grid.points

From grid v3.6.2 by R-core R-core@R-project.org

Draw Data Symbols

These functions create and draw data symbols.

Keywords: dplot

Usage

grid.points(x = stats::runif(10),
            y = stats::runif(10),
            pch = 1, size = unit(1, "char"),
            default.units = "native", name = NULL,
            gp = gpar(), draw = TRUE, vp = NULL)
pointsGrob(x = stats::runif(10),
           y = stats::runif(10),
           pch = 1, size = unit(1, "char"),
           default.units = "native", name = NULL,
           gp = gpar(), vp = NULL)

Arguments

x: numeric vector or unit object specifying x-values.
y: numeric vector or unit object specifying y-values.
pch: numeric or character vector indicating what sort of plotting symbol to use. See points for the interpretation of these values, and note fill below.
size: unit object specifying the size of the plotting symbols.
default.units: string indicating the default units to use if x or y are only given as numeric vectors.
name: character identifier.
gp: an R object of class gpar, typically the output from a call to the function gpar. This is basically a list of graphical parameter settings; note that fill (and not bg as in package graphics points) is used to “fill”, i.e., color the background of symbols with pch = 21:25.
draw: logical indicating whether graphics output should be produced.
vp: A Grid viewport object (or NULL).

Details

Both functions create a points grob (a graphical object describing points), but only grid.points draws the points (and then only if draw is TRUE).

Value

A points grob. grid.points returns the value invisibly.

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