><span class="lineno">   59</span>&#160;        Real radius_;</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    <span class="keyword">public</span>:</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;        <span class="keyword">explicit</span> <a class="code" href="class_s_p_h_1_1_geometric_shape_ball.html">GeometricShapeBall</a>(<span class="keyword">con