EVOLUTION-MANAGER
Edit File: symdif.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: Symetrical difference</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 symdif {raster}"><tr><td>symdif {raster}</td><td style="text-align: right;">R Documentation</td></tr></table> <h2> Symetrical difference </h2> <h3>Description</h3> <p>Symetrical difference of SpatialPolygons* objects </p> <h3>Usage</h3> <pre> ## S4 method for signature 'SpatialPolygons,SpatialPolygons' symdif(x, y, ...) </pre> <h3>Arguments</h3> <table summary="R argblock"> <tr valign="top"><td><code>x</code></td> <td> <p>SpatialPolygons* object</p> </td></tr> <tr valign="top"><td><code>y</code></td> <td> <p>SpatialPolygons* object</p> </td></tr> <tr valign="top"><td><code>...</code></td> <td> <p>Additional SpatialPolygons* object(s)</p> </td></tr> </table> <h3>Value</h3> <p>SpatialPolygons* </p> <h3>Author(s)</h3> <p>Robert J. Hijmans</p> <h3>See Also</h3> <p><code><a href="erase.html">erase</a></code> </p> <h3>Examples</h3> <pre> #SpatialPolygons if (require(rgdal) & require(rgeos)) { p <- shapefile(system.file("external/lux.shp", package="raster")) b <- as(extent(6, 6.4, 49.75, 50), 'SpatialPolygons') crs(b) <- crs(p) sd <- symdif(p, b) plot(sd, col='red') } </pre> <hr /><div style="text-align: center;">[Package <em>raster</em> version 3.3-13 <a href="00Index.html">Index</a>]</div> </body></html>