an>channel_mapping_type&lt;const PixelBased&gt; : <span class="keyword">public</span> channel_mapping_type&lt;PixelBased&gt; {};
<a name="l00049"></a>00049 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> PixelBased&gt; <span class="keyword">struct </span>channel_type&lt;const PixelBased&gt; : <span class="keyword">public</span> channel_type&lt;PixelBased&gt; {};
<a name="l00050"></a>00050 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> PixelBas