a class="anchor" aria-label="anchor" href="#ref-usage"></a></h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span><span class="fu">sma</span><span class="op">(</span><span class="va">mesh</span>, axis <span class="op">=</span> <span class="st">"z"</span>, scale <span class="op">=</span> <span class="cn">FALSE</span>, origin <span class="op">=</span> <span class="cn">TRUE</span><span class="op">)</span></span></code></pre></div>
    </div>

    <div class="section level2">
    <h2 id="argume