ass="external-link">PBSmapping::PolySet()</a></code> objects.</p>
    </div>

    <div id="ref-usage">
    <div class="sourceCode"><pre class="sourceCode r"><code><span><span class="fu">convert2PolySet</span><span class="op">(</span><span class="va">x</span>, <span class="va">n_preallocate</span><span class="op">)</span></span>
<span></span>
<span><span class="co"># S3 method for SpatialPolygonsDataFrame</span></span>
<span><span class="fu">convert2PolySet</span><span class="op">(</span><span class="va">x</