ot previously been set, or has been
 unset, an <code>IllegalStateException</code> will be thrown.</div>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.lang.IllegalStateException</code> - if the histogram is not set.</dd>
</dl>
</li>
</ul>
<a id="unsetPaletteHistogram()">
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<h4>unsetPaletteHistogram</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;unsetPaletteHistogram()</pre>
<div class="block">Suppresses the 'hIST' ch