l width="31%">
<col width="69%">
</colgroup>
<tbody><tr valign="top">
<td><tt>U</tt></td>
<td>
<p></p>Any object derived from the <tt>Union</tt> class, e.g. <tt>PolyUnion</tt>, etc.<p>
	    		Class: <tt>Union</tt></p>
</td>
</tr></tbody>
</table>
<h2>Output Arguments</h2>
<table cellspacing="0" class="body" cellpadding="4" border="0" width="100%">
<colgroup>
<col width="31%">
<col width="69%">
</colgroup>
<tbody><tr valign="top">
<td><tt>Unew</tt></td>
<td>
<p></p>New object which is an exact copy of the or