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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head><title>R: Draw Data Symbols</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<link rel="stylesheet" type="text/css" href="../../R.css">
</head><body>
<table width="100%" summary="page for grid.points {grid}"><tr><td>grid.points {grid}</td><td align="right">R Documentation</td></tr></table>
<h2>Draw Data Symbols</h2>
<h3>Description</h3>
<p>
These functions create and draw data symbols.
</p>
<h3>Usage</h3>
<pre>
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)
</pre>
<h3>Arguments</h3>
<table summary="R argblock">
<tr valign="top"><td><code>x</code></td>
<td>
A numeric vector or unit object specifying x-values.</td></tr>
<tr valign="top"><td><code>y</code></td>
<td>
A numeric vector or unit object specifying y-values.</td></tr>
<tr valign="top"><td><code>pch</code></td>
<td>
A numeric or character vector
indicating what sort of plotting symbol to use.</td></tr>
<tr valign="top"><td><code>size</code></td>
<td>
A unit object specifying the size of the plotting symbols.</td></tr>
<tr valign="top"><td><code>default.units</code></td>
<td>
A string indicating the default units to use
if <code>x</code> or <code>y</code> are only given as numeric vectors.</td></tr>
<tr valign="top"><td><code>name</code></td>
<td>
A character identifier. </td></tr>
<tr valign="top"><td><code>gp</code></td>
<td>
An object of class <code>gpar</code>, typically the output
from a call to the function <code>gpar</code>. This is basically
a list of graphical parameter settings.</td></tr>
<tr valign="top"><td><code>draw</code></td>
<td>
A logical value indicating whether graphics output
should be produced.</td></tr>
<tr valign="top"><td><code>vp</code></td>
<td>
A Grid viewport object (or NULL).</td></tr>
</table>
<h3>Details</h3>
<p>
Both functions create a points grob (a graphical object describing
points), but only <code>grid.points</code>
draws the points (and then only if <code>draw</code> is <code>TRUE</code>).
</p>
<h3>Value</h3>
<p>
A points grob. <code>grid.points</code> returns the value invisibly.</p>
<h3>Author(s)</h3>
<p>
Paul Murrell
</p>
<h3>See Also</h3>
<p>
<a href="Grid.html">Grid</a>,
<code><a href="viewport.html">viewport</a></code>
</p>
<hr><div align="center">[Package <em>grid</em> version 2.5.1 <a href="00Index.html">Index]</a></div>
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