of the image. </li>
<li class="listitem">
<pre class="literallayout"><a class="link" href="extents.html" title="Class template extents">extents</a><span class="special">&lt;</span> <span class="number">2</span> <span class="special">&gt;</span> <a name="idp52909552-bb"></a><span class="identifier">origin</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>Returns the origin of the image (<code class="computeroutput">0</code