span>&#160;</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="keyword">class </span>SubdivisionControlFace;</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;</div><div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="structShipCAD_1_1ControlFaceGrid.html">   42</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structShipCAD_1_1ControlFaceGrid.html">ControlFaceGrid</a> </div><di