EVOLUTION-MANAGER
Edit File: grid.lines.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: Draw Lines in a Grid Viewport</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.lines {grid}"><tr><td>grid.lines {grid}</td><td style="text-align: right;">R Documentation</td></tr></table> <h2>Draw Lines in a Grid Viewport</h2> <h3>Description</h3> <p>These functions create and draw a series of lines. </p> <h3>Usage</h3> <pre> grid.lines(x = unit(c(0, 1), "npc"), y = unit(c(0, 1), "npc"), default.units = "npc", arrow = NULL, name = NULL, gp=gpar(), draw = TRUE, vp = NULL) linesGrob(x = unit(c(0, 1), "npc"), y = unit(c(0, 1), "npc"), default.units = "npc", arrow = NULL, name = NULL, gp=gpar(), vp = NULL) grid.polyline(...) polylineGrob(x = unit(c(0, 1), "npc"), y = unit(c(0, 1), "npc"), id=NULL, id.lengths=NULL, default.units = "npc", arrow = NULL, name = NULL, gp=gpar(), vp = 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-values.</p> </td></tr> <tr valign="top"><td><code>y</code></td> <td> <p>A numeric vector or unit object specifying y-values.</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> or <code>y</code> are only given as numeric vectors.</p> </td></tr> <tr valign="top"><td><code>arrow</code></td> <td> <p>A list describing arrow heads to place at either end of the line, as produced by the <code>arrow</code> function.</p> </td></tr> <tr valign="top"><td><code>name</code></td> <td> <p> A character identifier. </p> </td></tr> <tr valign="top"><td><code>gp</code></td> <td> <p>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.</p> </td></tr> <tr valign="top"><td><code>draw</code></td> <td> <p>A logical value indicating whether graphics output should be produced.</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>id</code></td> <td> <p>A numeric vector used to separate locations in <code>x</code> and <code>y</code> into multiple lines. All locations with the same <code>id</code> belong to the same line.</p> </td></tr> <tr valign="top"><td><code>id.lengths</code></td> <td> <p>A numeric vector used to separate locations in <code>x</code> and <code>y</code> into multiple lines. Specifies consecutive blocks of locations which make up separate lines.</p> </td></tr> <tr valign="top"><td><code>...</code></td> <td> <p>Arguments passed to <code>polylineGrob</code>.</p> </td></tr> </table> <h3>Details</h3> <p>The first two functions create a lines grob (a graphical object describing lines), and <code>grid.lines</code> draws the lines (if <code>draw</code> is <code>TRUE</code>). </p> <p>The second two functions create or draw a polyline grob, which is just like a lines grob, except that there can be multiple distinct lines drawn. </p> <h3>Value</h3> <p>A lines grob or a polyline grob. <code>grid.lines</code> returns a lines grob 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>, <code><a href="arrow.html">arrow</a></code> </p> <h3>Examples</h3> <pre> grid.lines() # Using id (NOTE: locations are not in consecutive blocks) grid.newpage() grid.polyline(x=c((0:4)/10, rep(.5, 5), (10:6)/10, rep(.5, 5)), y=c(rep(.5, 5), (10:6/10), rep(.5, 5), (0:4)/10), id=rep(1:5, 4), gp=gpar(col=1:5, lwd=3)) # Using id.lengths grid.newpage() grid.polyline(x=outer(c(0, .5, 1, .5), 5:1/5), y=outer(c(.5, 1, .5, 0), 5:1/5), id.lengths=rep(4, 5), gp=gpar(col=1:5, lwd=3)) </pre> <hr /><div style="text-align: center;">[Package <em>grid</em> version 3.6.0 <a href="00Index.html">Index</a>]</div> </body></html>