c</a></span><span class="op">(</span><span class="st">"1x"</span>, <span class="st">"2x"</span><span class="op">)</span>,</span>
<span>  buffer_dist <span class="op">=</span> <span class="fl">5000</span>,</span>
<span>  units <span class="op">=</span> <span class="st">"m"</span>,</span>
<span>  crop <span class="op">=</span> <span class="cn">TRUE</span>,</span>
<span>  access_token <span class="op">=</span> <span class="cn">NULL</span></span>
<span><span class="op">)</span></span></code></pre></div>
    </d