EVOLUTION-MANAGER
Edit File: grid.null.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>R: Null Graphical Object</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <link rel="stylesheet" type="text/css" href="R.css" /> </head><body> <table width="100%" summary="page for grid.null {grid}"><tr><td>grid.null {grid}</td><td style="text-align: right;">R Documentation</td></tr></table> <h2> Null Graphical Object </h2> <h3>Description</h3> <p>These functions create a NULL graphical object, which has zero width, zero height, and draw nothing. It can be used as a place-holder or as an invisible reference point for other drawing. </p> <h3>Usage</h3> <pre> nullGrob(x = unit(0.5, "npc"), y = unit(0.5, "npc"), default.units = "npc", name = NULL, vp = NULL) grid.null(...) </pre> <h3>Arguments</h3> <table summary="R argblock"> <tr valign="top"><td><code>x</code></td> <td> <p>A numeric vector or unit object specifying x-location.</p> </td></tr> <tr valign="top"><td><code>y</code></td> <td> <p>A numeric vector or unit object specifying y-location.</p> </td></tr> <tr valign="top"><td><code>default.units</code></td> <td> <p>A string indicating the default units to use if <code>x</code>, <code>y</code>, <code>width</code>, or <code>height</code> are only given as numeric vectors.</p> </td></tr> <tr valign="top"><td><code>name</code></td> <td> <p> A character identifier. </p> </td></tr> <tr valign="top"><td><code>vp</code></td> <td> <p>A Grid viewport object (or NULL).</p> </td></tr> <tr valign="top"><td><code>...</code></td> <td> <p>Arguments passed to <code>nullGrob()</code>.</p> </td></tr> </table> <h3>Value</h3> <p>A null grob. </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> <h3>Examples</h3> <pre> grid.newpage() grid.null(name="ref") grid.rect(height=grobHeight("ref")) grid.segments(0, 0, grobX("ref", 0), grobY("ref", 0)) </pre> <hr /><div style="text-align: center;">[Package <em>grid</em> version 3.6.0 <a href="00Index.html">Index</a>]</div> </body></html>