s="headerlink" href="#geom_xvelp" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="attribute">
<dt id="geom_xvelr">
<code class="descname">geom_xvelr</code><a class="headerlink" href="#geom_xvelr" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="attribute">
<dt id="light_xdir">
<code class="descname">light_xdir</code><a class="headerlink" href="#light_xdir" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="attribute">
<dt id="li