ept&lt;Locator&gt;</a></li>
<li><a class="reference external" href="reference/structboost_1_1gil_1_1_pixel_locator_concept.html">PixelLocatorConcept&lt;Locator&gt;</a></li>
<li><a class="reference external" href="reference/structboost_1_1gil_1_1_mutable_pixel_locator_concept.html">MutablePixelLocatorConcept&lt;Locator&gt;</a></li>
</ul>
</div>
</div>
<div class="section" id="models">
<h2><a class="toc-backref" href="#id2">Models</a></h2>
<p>GIL provides two models of <code class="docutils literal"><span cla