inclusion, non-intersection
tests) and ignores completely the notion of polygon winding (whether the
polygon edges are described clockwise or counter-clockwise). GDAL must
be built with GEOS enabled to make geometry test work.):</p>
<div class="sourceCode" id="cb1"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span><span class="kw"><a href="https://rdrr.io/r/base/library.html" class="external-link">library</a></span><span class="op">(</span><span class="va"><a href="https://r-spatial.github