EVOLUTION-MANAGER
Edit File: whitepoint.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: Access or Modify the Whitepoint</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 whitepoint {colorspace}"><tr><td>whitepoint {colorspace}</td><td style="text-align: right;">R Documentation</td></tr></table> <h2>Access or Modify the Whitepoint</h2> <h3>Description</h3> <p>This function can be used to control the single global whitepoint that affects all color conversions within the package (that require a whitepoint, i.e., go through XYZ). </p> <h3>Usage</h3> <pre> whitepoint(white, ...) </pre> <h3>Arguments</h3> <table summary="R argblock"> <tr valign="top"><td><code>white, ...</code></td> <td> <p>Either missing (to query the whitepoint) or <code>NULL</code> or a specification of the XYZ coordinates of the whitepoint (to set the whitepoint, see examples). <code>NULL</code> corresponds to CIE D65 with XYZ coordinates 95.047, 100.000, 108.883.</p> </td></tr> </table> <h3>Value</h3> <p><code>whitepoint</code> returns an XYZ color object for the whitepoint (invisibly in case a new whitepoint was set). </p> <h3>See Also</h3> <p><code><a href="XYZ.html">XYZ</a></code> and <a href="color-class.html">color-class</a>. </p> <h3>Examples</h3> <pre> # query current whitepoint (D65 by default) whitepoint() # Illuminant E whitepoint(XYZ(100, 100, 100)) # equivalently whitepoint(100, 100, 100) whitepoint(c(100, 100, 100)) whitepoint(cbind(100, 100, 100)) whitepoint() ## reset whitepoint(NULL) whitepoint() </pre> <hr /><div style="text-align: center;">[Package <em>colorspace</em> version 1.4-1 <a href="00Index.html">Index</a>]</div> </body></html>