ivot of the node.</dd><dd><code>distanceFunction</code> - The distance function to 
 use to calculate the radius</dd>
<dt><span class="strong">Returns:</span></dt><dd>The radius of the node.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.lang.Exception</code> - If there is some problem 
 in calculating the radius.</dd></dl>
</li>
</ul>
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<h4>getRevision</h4>
<pre>public&nbsp;java.lang.String&nbsp;getRe