s <code>true</code> if Adam7 interlacing will be used.</div>
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<h4>unsetBackground</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;unsetBackground()</pre>
<div class="block">Suppresses the 'bKGD' chunk from being output.
 For API compatibility with JAI 1.0, the superclass
 defines this method to throw a <code>RuntimeException</code>;
 accordingly, subclasses must provide their own implementations.</div