EVOLUTION-MANAGER
Edit File: SpatialPixels-class.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: Class "SpatialPixels"</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 SpatialPixels-class {sp}"><tr><td>SpatialPixels-class {sp}</td><td style="text-align: right;">R Documentation</td></tr></table> <h2>Class "SpatialPixels" </h2> <h3>Description</h3> <p> class for defining a pixels, forming a possibly incomplete rectangular grid of arbitrary dimension </p> <h3>Objects from the Class</h3> <p>Objects are created by using e.g. </p> <p>SpatialPixels(points) </p> <p>with points of class <a href="SpatialPoints-class.html">SpatialPoints-class</a> </p> <h3>Slots</h3> <dl> <dt><code>grid</code></dt><dd><p> object of class <a href="GridTopology-class.html">GridTopology-class</a>, defining the grid topology (offset, cellsize, dim) </p> </dd> <dt><code>grid.index</code></dt><dd><p>integer; index of points in full grid</p> </dd> <dt><code>coords</code></dt><dd><p> coordinates of points, or bbox of grid </p> </dd> <dt><code>bbox</code>:</dt><dd><p>Object of class <code>"matrix"</code>; bounding box </p> </dd> <dt><code>proj4string</code>:</dt><dd><p>Object of class <code>"CRS"</code>; projection </p> </dd> </dl> <h3>Extends</h3> <p>Class <code>"SpatialPoints"</code> directly; Class <code>"Spatial"</code>, by class <code>"SpatialPoints"</code>. </p> <h3>Methods</h3> <dl> <dt>coordinates</dt><dd><p><code>signature(x = "SpatialPixels")</code>: calculates coordinates for each point on the grid; coordinates are not stored in objects of class SpatialGrid</p> </dd> <dt>summary</dt><dd><p><code>signature(object = "SpatialPixels")</code>: summarize object</p> </dd> <dt>plot</dt><dd><p><code>signature(x = "SpatialPixels")</code>: plots cell centers </p> </dd> <dt>"["</dt><dd><p><code>signature(x = "SpatialPixels")</code>: select pixel cells; the argument <code>drop=FALSE</code> (default) does not recalculate grid topology for the selection, if <code>drop=TRUE</code> the grid topology is recomputed, and might change. </p> </dd> <dt>rbind</dt><dd><p><code>signature(x = "SpatialPixels")</code>: rbind-like method</p> </dd> </dl> <h3>Author(s)</h3> <p> Edzer Pebesma, <a href="mailto:edzer.pebesma@uni-muenster.de">edzer.pebesma@uni-muenster.de</a> </p> <h3>See Also</h3> <p><code><a href="SpatialPixelsDataFrame-class.html">SpatialPixelsDataFrame-class</a></code>, <code><a href="SpatialGrid-class.html">SpatialGrid-class</a></code> </p> <h3>Examples</h3> <pre> data(meuse.grid) pts = meuse.grid[c("x", "y")] y = SpatialPixels(SpatialPoints(pts)) class(y) y summary(y) plot(y) # plots grid plot(y, grid = FALSE) # plots points </pre> <hr /><div style="text-align: center;">[Package <em>sp</em> version 1.4-2 <a href="00Index.html">Index</a>]</div> </body></html>