ass="op">(</span><span class="va">hydrolocation</span><span class="op">)</span>, col <span class="op">=</span> <span class="st">"grey"</span>, pch <span class="op">=</span> <span class="st">"+"</span>, add <span class="op">=</span> <span class="cn">TRUE</span><span class="op">)</span> <span class="op">}</span></span></span>
<span class="r-plt img"><img src="get_3dhp-1.png" alt="" width="700" height="433"></span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="co"># given mainst