r constructing <em>n</em> facets</dd>
    <dt><a href="qh-optp.html#PDk">PDk:1</a></dt>
    <dd>include upper and lower facets in the output.  Set <em>k</em>
        to the last dimension (e.g., 'PD2:1' for 2-d inputs). </dd>
    <dt><a href="qh-opto.html#f">f</a></dt>
    <dd>facet dump.  Print the data structure for each facet (i.e., Delaunay region).</dd>
</dl>
</blockquote>

</blockquote>
<h3><a href="#TOP">&#187;</a><a name="graphics">qdelaunay
graphics</a></h3>
<blockquote>

<p>For 2-d and 3-d Delauna