> &amp;body_part_particles_;</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;        <span class="keyword">explicit</span> <a class="code" href="struct_s_p_h_1_1_body_part_particles_index.html">BodyPartParticlesIndex</a>(<a class="code" href="namespace_s_p_h.html#abae56fd7f25f13487c7943ce4681d0ce">IndexVector</a> &amp;body_part_particles)</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;            : body_part_particles_(body_part_particle